{"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\/nb\/glossary\/foundation-stiffness\/","title":{"rendered":"Hva er fundamentstivhet? Strukturell dynamikk"},"content":{"rendered":"<h1>Forst\u00e5 stivhet i fundamentet<\/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\/nb\/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\/nb\/product\/balanset-1\/\" title=\"B\u00e6rbart balanseapparat og vibrasjonsanalysator 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 komplett sett med b\u00e6rbart balanseapparat og vibrasjonsanalysator\" 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\/nb\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/nb\/product\/balanset-1\/\" title=\"B\u00e6rbart balanseapparat og vibrasjonsanalysator Balanset-1A\">B\u00e6rbart balanseapparat og vibrasjonsanalysator 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> + MVA (hvis aktuelt)<\/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=\"\/nb\/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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" 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=\"\/nb\/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=\"Legg i handlekurv: \u00abPortable balancer &amp; Vibration analyzer Balanset-1A\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abPortable balancer &amp; Vibration analyzer Balanset-1A\u00bb ble lagt til i handlekurven\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Legg i handlekurv<\/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\/nb\/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\/nb\/product\/vibration-sensor\/\" title=\"Vibrasjonssensor\">\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=\"Balanset-1A vibrasjonssensor i n\u00e6rbilde\" 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\/nb\/product-category\/parts\/\" rel=\"tag\">Deler<\/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\/nb\/product\/vibration-sensor\/\" title=\"Vibrasjonssensor\">Vibrasjonssensor<\/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> + MVA (hvis aktuelt)<\/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=\"\/nb\/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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" 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=\"\/nb\/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=\"Legg i handlekurv: \u00abVibration sensor\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abVibration sensor\u00bb ble lagt til i handlekurven\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Legg i handlekurv<\/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\/nb\/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\/nb\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (lasertakometer)\">\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=\"Optisk sensor (lasertakometer)\" 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\/nb\/product-category\/parts\/\" rel=\"tag\">Deler<\/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\/nb\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (lasertakometer)\">Optisk sensor (lasertakometer)<\/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> + MVA (hvis aktuelt)<\/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=\"\/nb\/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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" 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=\"\/nb\/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=\"Legg i handlekurv: \u00abOptical Sensor (Laser Tachometer)\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abOptical Sensor (Laser Tachometer)\u00bb ble lagt til i handlekurven\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Legg i handlekurv<\/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\/nb\/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\/nb\/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 rotorbalanseringssett: b\u00e6reveske, flerkanals signalbehandler, h\u00e5ndholdt analysator, magnetisk base, vibrasjonssensorer og spiralkabler.\" 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\/nb\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/nb\/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> + MVA (hvis aktuelt)<\/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=\"\/nb\/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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" 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=\"\/nb\/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=\"Legg i handlekurv: \u00abBalanset-4\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abBalanset-4\u00bb ble lagt til i handlekurven\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Legg i handlekurv<\/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\/nb\/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\/nb\/product\/magnet-stand\/\" title=\"Magnetisk stativst\u00f8rrelse - 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=\"Magnetisk base.\" 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\/nb\/product-category\/parts\/\" 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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\/nb\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/nb\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balanseringsapparat &quot;Balanset-1A&quot; OEM\">Dynamisk balanseringsapparat \"Balanset-1A\" 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> + MVA (hvis aktuelt)<\/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=\"\/nb\/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=\"Legg i handlekurv\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Legg i handlekurv\" 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=\"\/nb\/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=\"Legg i handlekurv: \u00abDynamic balancer \u201cBalanset-1A\u201d OEM\u00bb\" rel=\"nofollow\" data-success_message=\"\u00abDynamic balancer \u201cBalanset-1A\u201d OEM\u00bb ble lagt til i handlekurven\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Legg i handlekurv<\/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>Fundamentsstivhet<\/strong> er motstanden i en maskins samlede b\u00e6rende konstruksjon \u2013 grunnplate, fugemasse, betongblokker, sokler og jordlaget under \u2013 mot nedb\u00f8yning under de statiske og dynamiske kreftene som en roterende maskin ut\u00f8ver p\u00e5 den. Den kvantifiseres som kraft per enhet avb\u00f8yning (N\/mm, N\/m eller lbf\/in) og gir svar p\u00e5 et tilsynelatende enkelt sp\u00f8rsm\u00e5l: hvor langt beveger fundamentet seg n\u00e5r maskinen presser p\u00e5 det? Dette ene tallet p\u00e5virker hele maskinen, fordi fundamentets stivhet er en komponent i <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/stiffness\/\">stivhet<\/a> kjeden som, sammen med rotorens og lagrenes stivhet, bestemmer <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor-dynamics\/\">rotor dynamic<\/a> oppf\u00f8rsel. Gj\u00f8r du feil her, kan en ellers utmerket maskin oppleve redusert <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/critical-speed\/\">kritiske hastigheter<\/a>, amplified <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/vibration\/\">vibrasjon<\/a>, feiljustering og redusert levetid.<\/p>\n<h2>1. Definisjon og hvorfor det er viktig<\/h2>\n<p>Et fundament er sjelden det stive, ubevegelige ankeret man gjerne forestiller seg. Det gir etter, og jo stivere det er, desto mindre gir det etter under en gitt kraft. Fordi rotoren, lagrene og fundamentet oppf\u00f8rer seg som fj\u00e6rer koblet i serie, kan fundamentet bli det svake leddet som dominerer den samlede responsen \u2013 og resten av denne artikkelen beskriver n\u00f8yaktig hvordan.<\/p>\n<h3>Innvirkning p\u00e5 kritiske hastigheter<\/h3>\n<p>Fundamentets stivhet p\u00e5virker direkte systemets <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/natural-frequency\/\">naturlige frekvenser<\/a>:<\/p>\n<ul>\n<li>Systemets totale stivhet er en seriekobling av stivheten til rotor, lager og fundament, slik at det elementet som er minst stivt, har st\u00f8rst innflytelse.<\/li>\n<li>En myk grunn reduserer totalhastigheten, noe som igjen reduserer de kritiske hastighetene.<\/li>\n<li>Det kan f\u00f8re til at den kritiske hastigheten faller under sikkerhetsmarginen og inn i driftsomr\u00e5det.<\/li>\n<li>Siden kritisk hastighet er proporsjonal med \u221a(total stivhet), vil selv et beskjedent tap av fundamentets stivhet ha en reell innvirkning \u2014 du kan beregne st\u00f8rrelsen p\u00e5 forskyvningen med en <a href=\"https:\/\/vibromera.eu\/nb\/calculators\/rotor-critical-speed\/\">Kalkulator for kritisk rotorhastighet<\/a>.<\/li>\n<\/ul>\n<h3>Regulering av vibrasjonsamplituden<\/h3>\n<ul>\n<li><strong>At resonance:<\/strong> Stivere fundamenter produserer generelt lavere toppvibrasjonsamplituder<\/li>\n<li><strong>Under resonans:<\/strong> et sv\u00e6rt stivt fundament kan <em>\u00f8ke<\/em> overf\u00f8rt vibrasjon, fordi den ikke gir noen isolasjon.<\/li>\n<li><strong>Optimal design:<\/strong> Det riktige svaret er en avveining mellom stivhet og isolasjon for maskinens spesifikke frekvensomr\u00e5de.<\/li>\n<\/ul>\n<h3>Justeringsstabilitet<\/h3>\n<ul>\n<li>Et fleksibelt fundament gj\u00f8r at utstyret kan bevege seg under driftsbelastning.<\/li>\n<li>Maskinens termiske utvidelse kan f\u00f8re til at et ettergivende fundament blir deformert.<\/li>\n<li>Presisjon <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/laser-shaft-alignment\/\">laserjustering av aksler<\/a> er vanskelig \u00e5 holde p\u00e5 et mykt underlag.<\/li>\n<li>Fundamentets nedb\u00f8yning som f\u00f8lge av ytre prosessbelastninger, for eksempel krefter fra r\u00f8rledninger, forringer gradvis innrettingen \u2014 og en skjult <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/soft-foot\/\">myk fot<\/a> kan forsterke eller forverre problemet.<\/li>\n<\/ul>\n<h2>2. Komponenter som bidrar til fundamentets stivhet<\/h2>\n<p>Stivheten bestemmes av det svakeste leddet i en kjede av elementer, der hvert element bidrar p\u00e5 sin m\u00e5te:<\/p>\n<h3>Betongfundamentblokk<\/h3>\n<ul>\n<li><strong>Materialets stivhet:<\/strong> Betongens elastisitetsmodul ligger p\u00e5 omtrent 25\u201340 GPa.<\/li>\n<li><strong>Geometri:<\/strong> Tykkelsen, bredden og armeringen bestemmer blokkens samlede stivhet.<\/li>\n<li><strong>Masse:<\/strong> En st\u00f8rre blokk gir vanligvis st\u00f8rre stivhet.<\/li>\n<li><strong>Betingelse:<\/strong> Sprekker og slitasje reduserer stivheten betydelig.<\/li>\n<\/ul>\n<h3>Jord- og grunnst\u00f8tte<\/h3>\n<ul>\n<li>Jorden under blokken fungerer i seg selv som et elastisk underlag.<\/li>\n<li>Jordens stivhet varierer enormt \u2013 fra rundt 10 N\/mm\u00b3 for myk leire til over 1000 N\/mm\u00b3 for berg.<\/li>\n<li>Det er ofte det svakeste leddet i hele kjeden.<\/li>\n<li>I d\u00e5rlig grunn kan den dominere systemets totale stivhet, uansett hvor god blokken over den er.<\/li>\n<\/ul>\n<h3>Maskinens bunnplate<\/h3>\n<ul>\n<li>St\u00e5l- eller st\u00f8pejernsrammen som fester utstyret til betongen.<\/li>\n<li>Det er tykkelsen, ribbestrikkingen og utformingen som avgj\u00f8r hvor mye den bidrar.<\/li>\n<li>Den m\u00e5 v\u00e6re ordentlig fuget til blokken for \u00e5 telle.<\/li>\n<\/ul>\n<h3>Sokler og st\u00f8tter<\/h3>\n<ul>\n<li><a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bearing-pedestal\/\">Lagersokkeler<\/a> Fest lagrene til bunnplaten.<\/li>\n<li>S\u00f8yler og konsoller overf\u00f8rer belastningen nedover.<\/li>\n<li>H\u00f8ye eller slanke sokler kan gi overraskende fleksibilitet \u2013 og skape spenning <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/structural-resonance\/\">strukturell resonans<\/a>.<\/li>\n<\/ul>\n<h3>Grout layer<\/h3>\n<ul>\n<li>Fyller mellomrommet mellom bunnplaten og betongen for \u00e5 overf\u00f8re belastningen.<\/li>\n<li>God fuging er avgj\u00f8rende for \u00e5 oppn\u00e5 den \u00f8nskede stivheten.<\/li>\n<li>Slitt eller manglende fugemasse etterlater svake punkter som fungerer som hengsler.<\/li>\n<li>Fugemasse er vanligvis mindre stiv enn b\u00e5de st\u00e5let og betongen den binder sammen.<\/li>\n<\/ul>\n<h2>3. M\u00e5ling og vurdering<\/h2>\n<h3>Testing av statisk stivhet<\/h3>\n<ul>\n<li><strong>Metode:<\/strong> p\u00e5f\u00f8r en kjent kraft og m\u00e5l den resulterende nedsenkningen.<\/li>\n<li><strong>Beregning:<\/strong> k = F \/ \u03b4 \u2014 kraft delt p\u00e5 nedb\u00f8yning.<\/li>\n<li><strong>Typical test:<\/strong> en hydraulisk jekk som belaster bunnplaten.<\/li>\n<li><strong>M\u00e5l:<\/strong> M\u00e5leklokker eller posisjonssensorer registrerer bevegelsen.<\/li>\n<\/ul>\n<h3>Dynamisk stivhet \u2014 modaltesting<\/h3>\n<ul>\n<li>A <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bump-test\/\">bumptest<\/a> ved hjelp av en hammer med m\u00e5leutstyr p\u00e5f\u00f8rer strukturen en belastning.<\/li>\n<li>Den <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/frequency-response-function\/\">frekvensresponsfunksjon<\/a> m\u00e5les ut fra responsen.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/nb\/glossary\/modal-analysis\/\">Modal analyse<\/a> beregner naturlige frekvenser, modeganger og effektiv stivhet.<\/li>\n<li>Det dynamiske resultatet gir et mer representativt bilde av hvordan fundamentet oppf\u00f8rer seg mens maskinen er i drift.<\/li>\n<\/ul>\n<h3>Operativ vurdering<\/h3>\n<ul>\n<li>Sammenlign vibrasjonen m\u00e5lt ved lageret med vibrasjonen ved fundamentet.<\/li>\n<li>H\u00f8y overf\u00f8ringsgrad \u2013 der fundamentet beveger seg nesten like mye som lageret \u2013 tyder p\u00e5 et mykt underlag i forhold til maskinen.<\/li>\n<li>Lav overf\u00f8rbarhet tyder p\u00e5 et stivt fundament eller effektiv isolasjon.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/nb\/glossary\/bode-plot\/\">Bode-plott<\/a> from startup or <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/coastdown\/\">kystned<\/a> vise grunnleggende moduser etter hvert som de g\u00e5r gjennom dem<\/li>\n<\/ul>\n<p>Denne sammenligningen er enkel \u00e5 gjennomf\u00f8re i felten ved hjelp av en b\u00e6rbar tokanalsanalysator. Et instrument som <a href=\"https:\/\/vibromera.eu\/nb\/produkt\/balanset-1\/\">Balanset-1A<\/a> kan m\u00e5le vibrasjoner samtidig b\u00e5de ved lagerdekselet og p\u00e5 bunnplaten eller sokkelen, slik at en ingeni\u00f8r p\u00e5 stedet kan vurdere om konstruksjonen beveger seg sammen med maskinen \u2013 en rask og praktisk m\u00e5te \u00e5 sjekke om fundamentet er for svakt eller i d\u00e5rlig stand p\u00e5, f\u00f8r man setter i gang med kostbare konstruksjonsarbeider.<\/p>\n<h2>4. Designkrav<\/h2>\n<h3>Generelle retningslinjer<\/h3>\n<ul>\n<li><strong>Stiv (over-resonans) konstruksjon:<\/strong> Fundamentets egenfrekvens b\u00f8r v\u00e6re minst dobbelt s\u00e5 h\u00f8y som maskinens maksimale hastighet.<\/li>\n<li><strong>Myk (isolert) utforming:<\/strong> Alternativt kan du sette den til under 0,5 ganger maskinens minimumshastighet.<\/li>\n<li><strong>Unng\u00e5:<\/strong> fundamentresonanser i omr\u00e5det mellom 0,5\u00d7 og 2,0\u00d7 driftshastigheten.<\/li>\n<li><strong>M\u00e5l:<\/strong> fundamentets stivhet er st\u00f8rre enn omtrent 10 ganger lagerstivheten, slik at dens innvirkning p\u00e5 rotordynamikken forblir liten. Du kan sjekke strukturmodusen opp mot driftshastigheten ved hjelp av en <a href=\"https:\/\/vibromera.eu\/nb\/calculators\/foundation-natural-frequency\/\">Grunnleggende naturlig frekvenskalkulator<\/a>.<\/li>\n<\/ul>\n<h3>Utstyrsspesifikke krav<\/h3>\n<ul>\n<li><strong>Turbiner:<\/strong> sv\u00e6rt stive fundamenter, der betongmassen vanligvis er 3\u20135 ganger s\u00e5 stor som rotormassen.<\/li>\n<li><strong>Stempelkompressorer:<\/strong> massive fundamenter for \u00e5 ta opp pulserende belastninger.<\/li>\n<li><strong>H\u00f8yhastighetsmaskiner:<\/strong> stiv nok til \u00e5 opprettholde avstanden ved kritisk hastighet.<\/li>\n<li><strong>Presisjonsutstyr:<\/strong> ekstremt stiv for \u00e5 forhindre at innrettingen forskyves.<\/li>\n<\/ul>\n<h2>5. Problemer som skyldes utilstrekkelig stivhet<\/h2>\n<h3>Reduserte kritiske hastigheter<\/h3>\n<ul>\n<li>Kritiske hastigheter faller ned i driftsomr\u00e5det.<\/li>\n<li>Det oppst\u00e5r kraftige vibrasjoner ved hastigheter som burde v\u00e6re trygge.<\/li>\n<li>Det kan hende at maskinen ikke klarer \u00e5 oppn\u00e5 sin nominelle hastighet i det hele tatt.<\/li>\n<li>L\u00f8sningen er \u00e5 forsterke fundamentet eller innf\u00f8re en fartsbegrensning.<\/li>\n<\/ul>\n<h3>Overdreven vibrasjon<\/h3>\n<ul>\n<li>Bevegelser i fundamentet forsterker det generelle vibrasjonsniv\u00e5et.<\/li>\n<li>Selve strukturen kan gi gjenklang.<\/li>\n<li>Vibrasjon overf\u00f8res til tilst\u00f8tende utstyr.<\/li>\n<li>Gjentatt b\u00f8ying kan f\u00f8re til strukturelle <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/fatigue\/\">utmattelse<\/a> skade.<\/li>\n<\/ul>\n<h3>Ustabilitet i innrettingen<\/h3>\n<ul>\n<li>Utstyret forskyver seg p\u00e5 en fleksibel sokkel, slik at den m\u00f8ysommelig oppn\u00e5dde innrettingen g\u00e5r tapt.<\/li>\n<li>Effektene av termisk vekst forsterkes.<\/li>\n<li>Endringer i prosessbelastningen f\u00f8rer til at innrettingen blir ujevn.<\/li>\n<\/ul>\n<h2>6. Forbedringsmetoder<\/h2>\n<h3>Forbedring av betongfundament<\/h3>\n<ul>\n<li><strong>Legg til masse:<\/strong> \u00f8ke fundamentets st\u00f8rrelse eller tykkelse.<\/li>\n<li><strong>Forsterke:<\/strong> legge til st\u00e5lforsterkning eller etterstramming.<\/li>\n<li><strong>Repair cracks:<\/strong> Epoxyinjeksjon eller betongreparasjon gjenoppretter den tapte stivheten.<\/li>\n<li><strong>Utvid til berggrunnen:<\/strong> peler eller senkekasser n\u00e5r b\u00e6rende jordlag.<\/li>\n<\/ul>\n<h3>Forsterkning av bunnplate<\/h3>\n<ul>\n<li>Legg til forsterkningsplater eller ribber i b\u00e6rende konstruksjon.<\/li>\n<li>\u00d8k tykkelsen p\u00e5 bunnplaten.<\/li>\n<li>Forbedre fugemassens dekning og kvalitet, og fjern hulrom.<\/li>\n<li>Sett inn avstivere mellom sokkelene.<\/li>\n<\/ul>\n<h3>Jordforbedring<\/h3>\n<ul>\n<li>Jordstabilisering eller trykkinjeksjon.<\/li>\n<li>Dype fundamenter (peler) som g\u00e5r utenom d\u00e5rlig jord n\u00e6r overflaten.<\/li>\n<li>Komprimering eller fortetting.<\/li>\n<li>Geoteknisk r\u00e5dgivning ved alvorlige grunnforhold.<\/li>\n<\/ul>\n<h3>Operasjonelle tilpasninger<\/h3>\n<ul>\n<li><strong>Hastighetsjustering:<\/strong> drives utenfor fundamentets resonansfrekvenser.<\/li>\n<li><strong>Vibrasjonsisolering:<\/strong> Monter isolatorer for \u00e5 avkoble maskinen fra fundamentet.<\/li>\n<li><strong>Balansering:<\/strong> Strengere toleranser for balanse reduserer forstyrrelsene ved kilden \u2013 det er dette mange vedlikeholdsteam tyr til f\u00f8rst.<\/li>\n<li><strong>Demping:<\/strong> legge til dempende tiltak i konstruksjonen.<\/li>\n<\/ul>\n<p>Det er verdt \u00e5 se n\u00e6rmere p\u00e5 denne balanseringsmetoden, fordi den ofte er den mest praktiske. Styring fra rotoren <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/unbalance\/\">ubalanse<\/a> er den dynamiske kraften fundamentet m\u00e5 motst\u00e5; reduserer man ubalansen, reduserer man belastningen p\u00e5 konstruksjonen. P\u00e5 stedet <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/feltbalansering\/\">feltbalansering<\/a> kan dermed dempe fundamentrelaterte vibrasjoner uten \u00e5 r\u00f8re betongen i det hele tatt \u2014 ofte den raskeste og rimeligste l\u00f8sningen mens man planlegger en mer langsiktig strukturell utbedring.<\/p>\n<h2>7. Beste praksis for fundamentkonstruksjon<\/h2>\n<h3>Nye installasjoner<\/h3>\n<ul>\n<li>Gjennomf\u00f8r en geoteknisk unders\u00f8kelse av grunnforholdene.<\/li>\n<li>Beregn den n\u00f8dvendige fundamentmassens vekt og geometri.<\/li>\n<li>Inkluder en dynamisk analyse av egenfrekvenser og responsen p\u00e5 ubalanse.<\/li>\n<li>Designet for \u00e5 oppn\u00e5 tilstrekkelig stivhet og masse i kombinasjon.<\/li>\n<li>S\u00f8rg for isolasjon fra tilst\u00f8tende bygninger.<\/li>\n<li>Legg til retningslinjer for fuging og innretting.<\/li>\n<\/ul>\n<h3>Vurdering av eksisterende fundamenter<\/h3>\n<ul>\n<li>M\u00e5l vibrasjonen ved fundamentet og sammenlign den med vibrasjonen i lagrene.<\/li>\n<li>Gjennomf\u00f8r modaltesting for \u00e5 fastsl\u00e5 fundamentets egenfrekvenser.<\/li>\n<li>Se etter sprekker, slitasje og setninger.<\/li>\n<li>Kontroller at fugemassen under bunnplatene er intakt.<\/li>\n<li>Sammenlign de faktiske verdiene med de opprinnelige prosjektspesifikasjonene.<\/li>\n<\/ul>\n<p>Fundamentets stivhet er lett \u00e5 overse, men likevel avgj\u00f8rende for ytelsen til roterende maskiner. Tilstrekkelig stivhet sikrer at kritiske hastigheter holdes godt adskilt, opprettholder stabil innretting og forhindrer resonans; utilstrekkelig stivhet kan f\u00f8re til at ellers velfungerende utstyr g\u00e5r ujevnt og blir up\u00e5litelig. \u00c5 betrakte fundamentet som en aktiv del av <a href=\"https:\/\/vibromera.eu\/nb\/glossary\/rotor-bearing-system\/\">rotorlagersystem<\/a> \u2014 m\u00e5lt, vurdert og vedlikeholdt p\u00e5 samme m\u00e5te som alle andre komponenter \u2014 er kjennetegnet p\u00e5 et grundig vibrasjonsprogram.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/nb\/glossary\/\">\u2190 Tilbake til hovedindeksen<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00e6r om fundamentsstivhet, motstanden til maskinst\u00f8ttekonstruksjoner mot nedb\u00f8yning, som p\u00e5virker kritiske hastigheter, vibrasjonsamplituder og justeringsstabilitet.<\/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\/nb\/wp-json\/wp\/v2\/glossary\/123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/123\/revisions"}],"predecessor-version":[{"id":101383,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/123\/revisions\/101383"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/media?parent=123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/categories?post=123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/tags?post=123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}