{"id":123,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/foundation-stiffness\/"},"modified":"2026-05-23T22:51:22","modified_gmt":"2026-05-23T22:51:22","slug":"foundation-stiffness","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/hr\/glossary\/foundation-stiffness\/","title":{"rendered":"\u0160to je krutost temelja? Strukturna dinamika"},"content":{"rendered":"<h1>Razumijevanje krutosti temelja<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/balanset-1\/\" title=\"Prijenosni balanser &amp; analizator vibracija Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kompletan set prijenosnog balansera i analizatora vibracija\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hr\/product-category\/devices\/\" rel=\"tag\">ure\u0111aji<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hr\/product\/balanset-1\/\" title=\"Prijenosni balanser &amp; analizator vibracija Balanset-1A\">Portable balancer &amp; Vibration analyzer Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,975.00<\/span> + PDV (ako je primjenjivo)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Dodaj u ko\u0161aricu: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Portable balancer &amp; Vibration analyzer Balanset-1A&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/vibration-sensor\/\" title=\"senzor vibracija\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Detalj senzora vibracija Balanset-1A\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hr\/product\/vibration-sensor\/\" title=\"senzor vibracija\">senzor vibracija<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>90.00<\/span> + PDV (ako je primjenjivo)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Dodaj u ko\u0161aricu: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Vibration sensor&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dki senzor (laserski tahometar)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Opti\u010dki senzor (laserski tahometar)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hr\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Opti\u010dki senzor (laserski tahometar)\">Opti\u010dki senzor (laserski tahometar)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>124.00<\/span> + PDV (ako je primjenjivo)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Dodaj u ko\u0161aricu: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Optical Sensor (Laser Tachometer)&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera komplet za balansiranje rotora: torba za no\u0161enje, vi\u0161ekanalni pretvara\u010d signala, ru\u010dni analizator, magnetska baza, senzori vibracija i spiralni kabeli.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hr\/product-category\/devices\/\" rel=\"tag\">ure\u0111aji<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hr\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>6,803.00<\/span> + PDV (ako je primjenjivo)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Dodaj u ko\u0161aricu: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Balanset-4&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/magnet-stand\/\" title=\"Magnetski stalak Insize nosivosti 60 kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnetska baza.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hr\/product\/magnet-stand\/\" title=\"Magnetski stalak Insize nosivosti 60 kgf\">Magnetski stalak Insize nosivosti 60 kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>46.00<\/span> + PDV (ako je primjenjivo)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Dodaj u ko\u0161aricu: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Magnetic Stand Insize-60-kgf&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/reflective-tape\/\" title=\"Reflektiraju\u0107a traka\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Reflektiraju\u0107a traka\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hr\/product-category\/parts\/\" rel=\"tag\">dijelovi<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hr\/product\/reflective-tape\/\" title=\"Reflektiraju\u0107a traka\">Reflektiraju\u0107a traka<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>10.00<\/span> + PDV (ako je primjenjivo)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Dodaj u ko\u0161aricu: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Reflective tape&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/hr\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dki balanser \u201cBalanset-1A\u201d OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sadr\u017eaj kompleta Balanset-1A s jedinicom za su\u010delje, senzorima, tahometrom i dodacima\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/hr\/product-category\/devices\/\" rel=\"tag\">ure\u0111aji<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/hr\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dinami\u010dki balanser \u201cBalanset-1A\u201d OEM\">Dinami\u010dki balanser \u201cBalanset-1A\u201d OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + PDV (ako je primjenjivo)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Dodaj u ko\u0161aricu\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Dodaj u ko\u0161aricu\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/hr\/wp-json\/wp\/v2\/glossary\/123?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Dodaj u ko\u0161aricu: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Dynamic balancer \u201cBalanset-1A\u201d OEM&quot; je dodan u va\u0161u ko\u0161aricu\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Dodaj u ko\u0161aricu<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Krutost temelja<\/strong> je otpornost \u010ditave potporne strukture stroja \u2014 temeljna plo\u010da, brtveni mort, betonski blok, postolja i tlo ispod \u2014 na progib pod stati\u010dkim i dinami\u010dkim silama koje rotiraju\u0107i stroj nanosi na nju. Kvantificira se kao sila po jedinici progiba (N\/mm, N\/m, ili lbf\/in) i odgovara na obmanu jednostavno izgledno pitanje: koliko se temelj pomi\u010de kada stroj tla\u010di na njega? Taj jedinstveni broj ima u\u010dinak kroz \u010ditav stroj, jer je krutost temelja jedna komponenta <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/stiffness\/\">uko\u010denost<\/a> lanca koji, zajedno s kruto\u0161\u0107u rotora i le\u017eaja, upravlja <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/rotor-dynamics\/\">rotordinamika<\/a> pona\u0161anjem. Ako se pogrije\u0161ite, ina\u010de odli\u010dan stroj mo\u017ee imati sni\u017eenu <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/critical-speed\/\">kriti\u010dne brzine<\/a>, poja\u010dano <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/vibration\/\">vibracija<\/a>, pomicanje poravnanja i skra\u0107eni vijek trajanja.<\/p>\n<h2>1. Definicija i za\u0161to je va\u017ena<\/h2>\n<p>Temelj je rijetko kruta, nepomi\u010dna sidri\u0161ta kako se obi\u010dno zami\u0161lja. Progiba se, i \u0161to je kru\u0107e, to se manje progiba za danu silu. Budu\u0107i da se rotor, njegovi le\u017eajevi i temelj pona\u0161aju kao opruge koje djeluju u nizu, temelj mo\u017ee postati slaba karika koja dominira kombiniranim odzivom \u2014 i ostatak ovog \u010dlanka to\u010dno pokazuje kako.<\/p>\n<h3>Utjecaj na kriti\u010dne brzine<\/h3>\n<p>Krutost temelja direktno utje\u010de na <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/natural-frequency\/\">prirodne frekvencije<\/a>:<\/p>\n<ul>\n<li>Ukupna krutost sustava je serijska kombinacija krutosti rotora, le\u017eaja i temelja, pa najfleksibilniji element ima najve\u0107i utjecaj.<\/li>\n<li>Meka temeljna podloga smanjuje ukupnu krutost, \u0161to smanjuje kriti\u010dne brzine.<\/li>\n<li>To mo\u017ee povu\u0107i kriti\u010dnu brzinu iz sigurne margine u radni raspon.<\/li>\n<li>Budu\u0107i da kriti\u010dna brzina skalira s \u221a(ukupna krutost), \u010dak i skromni gubitak krutosti temelja ima pravi u\u010dinak \u2014 mo\u017eete procijeniti pomak s <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/rotor-critical-speed\/\">Kalkulator kriti\u010dne brzine rotora<\/a>.<\/li>\n<\/ul>\n<h3>Kontrola amplitude vibracija<\/h3>\n<ul>\n<li><strong>Pri rezonanciji:<\/strong> Kru\u0107i temelji op\u0107enito proizvode ni\u017ee amplitude vr\u0161nih vibracija<\/li>\n<li><strong>Ispod rezonancije:<\/strong> vrlo kruta temeljna podloga mo\u017ee <em>pove\u0107ati<\/em> prenesene vibracije, jer ne pru\u017ea nikakvu izolaciju.<\/li>\n<li><strong>Optimalan dizajn:<\/strong> pravi odgovor balansira krutost i za\u0161titu za posebni frekventni raspon stroja.<\/li>\n<\/ul>\n<h3>Stabilnost poravnanja<\/h3>\n<ul>\n<li>Fleksibilna temeljna podloga dopu\u0161ta pomicanje opreme tijekom rada.<\/li>\n<li>Toplinska ekspanzija stroja mo\u017ee deformirati popustljivu temelju.<\/li>\n<li>Preciznost <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/laser-shaft-alignment\/\">lasersko poravnanje osovina<\/a> je te\u0161ko zadr\u017eati na mekoj bazi.<\/li>\n<li>Deformacija temelja zbog vanjskih procesnih optere\u0107enja, kao \u0161to su sile cijevi, tiho degradira poravnanje \u2014 i skrivena <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/soft-foot\/\">meko stopalo<\/a> mo\u017ee opona\u0161ati ili pogor\u0161ati problem.<\/li>\n<\/ul>\n<h2>2. Komponente koje doprinose krutosti temelja<\/h2>\n<p>Krutost je odre\u0111ena najslabijom vezom u nizu elemenata, svaki sa svojim doprinos:<\/p>\n<h3>Betonski temelj<\/h3>\n<ul>\n<li><strong>Krutost materijala:<\/strong> modul elasti\u010dnosti betona je otprilike 25\u201340 GPa.<\/li>\n<li><strong>Geometrija:<\/strong> debljina, \u0161irina i armatura odre\u0111uju ukupnu krutost bloka.<\/li>\n<li><strong>Masa:<\/strong> ve\u0107i blok obi\u010dno donosi ve\u0107u krutost sa sobom.<\/li>\n<li><strong>Stanje:<\/strong> pukotine i degradacija zna\u010dajno smanjuju krutost.<\/li>\n<\/ul>\n<h3>Tlo i podr\u0161ka baze<\/h3>\n<ul>\n<li>Tlo ispod bloka djeluje kao elasti\u010dna podr\u0161ka samo po sebi.<\/li>\n<li>Krutost tla izrazito varira \u2014 od oko 10 N\/mm\u00b3 za meku glinu do vi\u0161e od 1000 N\/mm\u00b3 za stijenu.<\/li>\n<li>\u010cesto je to najfleksibilniji element u cijelom lancu.<\/li>\n<li>Na lo\u0161em terenu mo\u017ee dominirati ukupnom kruto\u0161\u0107u sustava bez obzira koliko dobar blok iznad njega je.<\/li>\n<\/ul>\n<h3>Nosn\u0430 plo\u010da stroja<\/h3>\n<ul>\n<li>\u010celi\u010dni ili lijevani okvir koji ve\u017ee opremu na beton.<\/li>\n<li>Njegova debljina, oja\u010danja i raspored odre\u0111uju njen doprinos.<\/li>\n<li>Mora biti pravilno injektirana u blok da bi se ra\u010dunala.<\/li>\n<\/ul>\n<h3>Postolja i potpore<\/h3>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bearing-pedestal\/\">Nosa\u010di<\/a> povezuju le\u017eajeve s nosnom plo\u010dom.<\/li>\n<li>Stupovi i zagrade prenose optere\u0107enje dolje.<\/li>\n<li>Visoka ili vitka postolja mogu unijeti iznena\u0111uju\u0107u fleksibilnost \u2014 i uzbuditi <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/structural-resonance\/\">strukturna rezonancija<\/a>.<\/li>\n<\/ul>\n<h3>Sloj injekcijske mase<\/h3>\n<ul>\n<li>Puni jaz izme\u0111u nosne plo\u010de i betona da prenese optere\u0107enje.<\/li>\n<li>\u010cvrsta injekcija je bitna za postignuta krutost.<\/li>\n<li>Degradirana ili nedostaju\u0107a injekcija ostavlja meka mjesta koja djeluju kao \u0161arke.<\/li>\n<li>Mort je obi\u010dno manje krut od \u010delika ili betona koji spaja.<\/li>\n<\/ul>\n<h2>3. Mjerenje i procjena<\/h2>\n<h3>Testiranje stati\u010dke krutosti<\/h3>\n<ul>\n<li><strong>Metoda:<\/strong> primijeni poznatu silu i izmjeri rezultiraju\u0107i progib.<\/li>\n<li><strong>Izra\u010dun:<\/strong> k = F \/ \u03b4 \u2014 sila podijeljena sa progibom.<\/li>\n<li><strong>Tipi\u010dan test:<\/strong> hidrauli\u010dna dizalica koja optere\u0107uje baznu plo\u010du.<\/li>\n<li><strong>Mjerenje:<\/strong> pokaziva\u010di ili senzori pomaka o\u010ditavaju kretanje.<\/li>\n<\/ul>\n<h3>Dinami\u010dka krutost \u2014 modalna analiza<\/h3>\n<ul>\n<li>A <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bump-test\/\">Ispitivanje udarcima<\/a> instalirani \u010deki\u0107 pobudi strukturu.<\/li>\n<li>The <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/frequency-response-function\/\">funkcija frekvencijskog odziva<\/a> mjeri se iz odgovora.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/modal-analysis\/\">Modalna analiza<\/a> izvla\u010di prirodne frekvencije, oblike moda i efektivnu krutost.<\/li>\n<li>Dinami\u010dki rezultat je reprezentativniji za pona\u0161anje temelja dok stroj radi.<\/li>\n<\/ul>\n<h3>Procjena tijekom rada<\/h3>\n<ul>\n<li>Usporedi vibraciju izmjerenu na le\u017eaju s vibracijom na temelju.<\/li>\n<li>Visoka transmisibilnost \u2014 temelj se kre\u0107e gotovo koliko i le\u017eaj \u2014 ukazuje na meko oslonac u odnosu na stroj.<\/li>\n<li>Niska transmisibilnost ukazuje na krut temelj ili efektivnu izolaciju.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/bode-plot\/\">Bodeovi dijagrami<\/a> pri pokretanju ili <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/coastdown\/\">obala<\/a> otkriju modove temelja kako se kroz njih prelazi.<\/li>\n<\/ul>\n<p>Ova usporedba je jednostavna na terenu s prenosivim analizatorom s dva kanala. Instrument kao \u0161to je <a href=\"https:\/\/vibromera.eu\/hr\/proizvod\/balanset-1\/\">Balanset-1A<\/a> mo\u017ee \u010ditati vibraciju simultano na poklopcu le\u017eaja i na baznoj plo\u010di ili postamentu, tako da in\u017eenjer mo\u017ee procijeniti na mjestu radi li struktura zajedno sa strojem \u2014 brza, prakti\u010dna provjera fleksibilnog ili o\u0161te\u0107enog temelja prije ulaganja u skupo strukturno re\u0161enje.<\/p>\n<h2>4. Zahtjevi za oblikovanje<\/h2>\n<h3>Op\u0107e smjernice<\/h3>\n<ul>\n<li><strong>Kruta (nadrezonantna) konstrukcija:<\/strong> prirodna frekvencija temelja trebala bi prema\u0161iti 2\u00d7 maksimalnu brzinu stroja.<\/li>\n<li><strong>Meka (izoliraju\u0107a) konstrukcija:<\/strong> alternativno, postaviti je ispod 0,5\u00d7 minimalne brzine stroja.<\/li>\n<li><strong>Izbjegavati:<\/strong> rezonancije temelja bilo gdje izme\u0111u 0.5\u00d7 i 2.0\u00d7 radne brzine.<\/li>\n<li><strong>Cilj:<\/strong> krutost temelja ve\u0107a od pribli\u017eno 10\u00d7 krutosti le\u017eaja kako bi njegov utjecaj na dinamiku rotora bio mali. Strukturni na\u010din mo\u017eete provjeriti u odnosu na radnu brzinu pomo\u0107u <a href=\"https:\/\/vibromera.eu\/hr\/calculators\/foundation-natural-frequency\/\">Kalkulator prirodne frekvencije temelja<\/a>.<\/li>\n<\/ul>\n<h3>Zahtjevi specifi\u010dni za opremu<\/h3>\n<ul>\n<li><strong>Turbine:<\/strong> vrlo kruti temelji, s masom betona tipi\u010dno 3\u20135\u00d7 masa rotora.<\/li>\n<li><strong>Klipni kompresori:<\/strong> masivni temelji da bi se apsorbirala pulsatorna optere\u0107enja.<\/li>\n<li><strong>Brzohodne ma\u0161ine:<\/strong> dovoljno krute da se \u010duva separacija kriti\u010dne brzine.<\/li>\n<li><strong>Precizna oprema:<\/strong> izuzetno krute da se sprje\u010di pomaknu\u0107e poravnanja.<\/li>\n<\/ul>\n<h2>5. Problemi od nedostatne krutosti<\/h2>\n<h3>Sni\u017eene kriti\u010dne brzine<\/h3>\n<ul>\n<li>Kriti\u010dne brzine padaju u raspon rada.<\/li>\n<li>Visoke vibracije pojavljuju se pri brzinama koje bi trebale biti sigurne.<\/li>\n<li>Stroj mo\u017eda ne mo\u017ee dosegnuti svoju projektnu brzinu uop\u0107e.<\/li>\n<li>Rje\u0161enje je oja\u010danje temelja ili ograni\u010denje brzine.<\/li>\n<\/ul>\n<h3>Prekomjerne vibracije<\/h3>\n<ul>\n<li>Gibanje strukture poja\u010dava ukupnu razinu vibracija.<\/li>\n<li>Sama struktura mo\u017ee rezonirati.<\/li>\n<li>Vibracije se prenose na susjednu opremu.<\/li>\n<li>Ponavljano savijanje mo\u017ee uzrokovati strukturne <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/fatigue\/\">umor<\/a> o\u0161te\u0107enja.<\/li>\n<\/ul>\n<h3>Nestabilnost poravnanja<\/h3>\n<ul>\n<li>Oprema se pomi\u010de na fleksibilnoj osnovi, pa se dobiveno poravnanje gubi.<\/li>\n<li>U\u010dinci termi\u010dkog rasta se poja\u010davaju.<\/li>\n<li>Promjenjivi \u043f\u0440\u043e\u0446\u0435\u0441\u043d\u0438 optere\u0107enja uzrokuju da se poravnanje mijenja.<\/li>\n<\/ul>\n<h2>6. Metode pobolj\u0161anja<\/h2>\n<h3>Pobolj\u0161anje betonske osnove<\/h3>\n<ul>\n<li><strong>Dodajte masu:<\/strong> pove\u0107ati veli\u010dinu ili debljinu temelja.<\/li>\n<li><strong>Oja\u010dati:<\/strong> dodati armature od \u010delika ili prethodnog naprezanja.<\/li>\n<li><strong>Popravak pukotina:<\/strong> epoksidna injekcija ili popravka betona vra\u0107a izgubljenu krutost.<\/li>\n<li><strong>Pro\u0161irenje do \u010dvrste stijene:<\/strong> piloti ili kesoni dose\u017eu slojeve kompetentnog tla.<\/li>\n<\/ul>\n<h3>Ukru\u0107enje temeljne plo\u010de<\/h3>\n<ul>\n<li>Dodati oja\u010dane stupce ili rebra na strukturni okvir.<\/li>\n<li>Pove\u0107ati debljinu temeljne plo\u010de.<\/li>\n<li>Pobolj\u0161ati pokrivenost i kvalitetu \u017ebuke, uklanjaju\u0107i prazne prostore.<\/li>\n<li>Dodati oja\u010danja izme\u0111u postamenta.<\/li>\n<\/ul>\n<h3>Pobolj\u0161anje tla<\/h3>\n<ul>\n<li>Stabilizacija tla ili injekcija pod pritiskom.<\/li>\n<li>Duboke temelje (pilote) koje zaobilaze lo\u0161e tlo blizu povr\u0161ine.<\/li>\n<li>Zbijanje ili konsolidacija.<\/li>\n<li>Geotehni\u010dko savjetovanje za ozbiljne probleme s tlom.<\/li>\n<\/ul>\n<h3>Prilagodbe pri pogonu<\/h3>\n<ul>\n<li><strong>Modifikacija brzine:<\/strong> pogon van frekvencija rezonancije temelja.<\/li>\n<li><strong>Vibracijsku izolaciju:<\/strong> dodajte izolatore kako biste odvojili stroj od temelja.<\/li>\n<li><strong>Uravnote\u017eenje:<\/strong> stro\u017ei standardi balansiranja smanjuju pobud na izvoru \u2014 poluge na koju se ve\u0107ina timova odr\u017eavanja prvi puta poslanja.<\/li>\n<li><strong>Prigu\u0161enje:<\/strong> dodajte prigu\u0161ne tretmane strukturi.<\/li>\n<\/ul>\n<p>Taj put balansiranja vrijedi promatrati jer je \u010desto najjednostavniji. Pobuda od rotora <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/unbalance\/\">neravnote\u017ea<\/a> je dinami\u010dka sila na koju temelj mora reagirati; smanjite neuravnote\u017eenost i smanjite zahtjev na strukturu. Balansiranje na mjestu <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/field-balancing\/\">terensko balansiranje<\/a> mo\u017ee stoga smiriti vibracije vo\u0111ene temeljom bez dodira betona \u2014 \u010desto najbr\u017ee i najjeftinije ubla\u017eavanje dok se planira dulji strukturni popravak.<\/p>\n<h2>7. Najbolje prakse pri projektiranju temelja<\/h2>\n<h3>Nove instalacije<\/h3>\n<ul>\n<li>Obavite geotehni\u010dku istragu stanja tla.<\/li>\n<li>Izra\u010dunajte potrebnu masu i geometriju temelja.<\/li>\n<li>Uklju\u010dite dinami\u010dku analizu prirodnih frekvencija i odgovora na neuravnote\u017eenost.<\/li>\n<li>Projektujte za odgovaraju\u0107u krutost i masu zajedno.<\/li>\n<li>Osigurajte izolaciju od susjednih struktura.<\/li>\n<li>Predvidite mjere za injektiranje i poravnanje.<\/li>\n<\/ul>\n<h3>Procjena postoje\u0107ih temelja<\/h3>\n<ul>\n<li>Izmjerite vibracije na temelju i usporedite ih s vibracijama u le\u017eaju.<\/li>\n<li>Izvedite modalnu analizu kako biste identificirali prirodne frekvencije temelja.<\/li>\n<li>Provjerite pukotine, tro\u0161enje i slijeganje.<\/li>\n<li>Provjerite integritet injektiranog materijala ispod baznih plo\u010da.<\/li>\n<li>Usporedite stvarne vrijednosti s izvornim specifikacijama projekta.<\/li>\n<\/ul>\n<p>Krutost temelja lako je previdjeti, a ipak je klju\u010dna za rad rotacijskih strojeva. Dovoljna krutost dr\u017ei kriti\u010dne brzine dobro razdvojenima, odr\u017eava poravnanje stabilnim i izbjegava rezonanciju; nedovoljna krutost mo\u017ee uzrokovati da ina\u010de ispravna oprema radi grubo i nepouzdano. Promatranje temelja kao aktivnog dijela <a href=\"https:\/\/vibromera.eu\/hr\/glossary\/rotor-bearing-system\/\">sustav le\u017eajeva rotora<\/a> \u2014 mjereni, procijenjeni i odr\u017eavani kao bilo koja druga komponenta \u2014 je znak temeljitog programa nadzora vibracija.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/hr\/glossary\/\">\u2190 Natrag na glavni indeks<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Saznajte vi\u0161e o krutosti temelja, otporu potpornih konstrukcija strojeva na otklon, \u0161to kriti\u010dno utje\u010de na kriti\u010dne brzine, amplitude vibracija i stabilnost poravnanja.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-123","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/123\/revisions"}],"predecessor-version":[{"id":101383,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/glossary\/123\/revisions\/101383"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/media?parent=123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/categories?post=123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/hr\/wp-json\/wp\/v2\/tags?post=123"}],"curies":[{"name":"radni list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}