Burchakli payvandlash birikmasining mustahkamligi qanday hisoblanadi?

Fillet weld capacity = throat area × allowable shear stress = a × L × (fu / (√3 × βw × γM2)), where a is throat thickness, L is effective length, fu is ultimate tensile strength, βw is correlation factor, and γM2 is safety factor (typically 1.25).

Burchakli payvandning bo'g'iz qalinligi nima?

Throat thickness (a) is the shortest distance from the root to the face of the weld. For an equal-leg fillet with leg size s: a = s × cos(45°) = 0.707 × s. For example, a 6mm fillet weld has throat thickness ≈ 4.24 mm.

Burchakli va to'mtoq payvandlar orasidagi farq nima?

Burchakli payvandlar ikkita yuzani to'g'ri burchak ostida birlashtiradi (T-birikma, ustma-ust birikma) va yuklamani bo'g'iz orqali kesish kuchlari bilan uzatadi. To'mtoq payvandlar ikkita plitani uchidan-uchiga to'liq yoki qisman kirib borish bilan birlashtiradi va yuklamani payvand qalinligi orqali bevosita cho'zish/siqish kuchlari bilan uzatadi.

Korrelyatsiya omili βw nima?

The correlation factor βw accounts for the material grade. Per EN 1993-1-8: S235 → βw = 0.8, S275 → βw = 0.85, S355 → βw = 0.9, S420 → βw = 1.0, S460 → βw = 1.0.

Qo'yilgan kuchdan payvand kuchlanishini qanday hisoblayman?

Weld stress σ = F / (a × L_eff), where F is the applied force, a is throat thickness, and L_eff is the effective weld length (total length minus 2×a for end craters). Compare this stress to the allowable stress to check adequacy.

Muhandislik uchun bepul vosita

Payvandlangan birikma mustahkamligi kalkulyatori

EN 1993-1-8 bo'yicha burchak va to'mtoq payvand quvvatini hisoblang. Payvand turini, bo'g'iz o'lchamini, uzunligini, qo'llaniladigan kuchni va material sinfini kiriting.

EN 1993-1-8Burchak & To'mtoqStress Check

Results

Weld Capacity

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Applied Stress

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Ruxsat etilgan kuchlanish

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Foydalanish koeffitsienti

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Bo'g'iz qalinligi (a)

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Burchak Payvand (Soddalashtirilgan Usul)

Butt Weld

To'liq kirib boruvchi to'mtoq payvandlar asosiy metal sifatida ko'rib chiqiladi — ruxsat etilgan kuchlanish plitaning ruxsat etilgan qiymatiga teng.

⚠️ Bu soddalashtirilgan tahlil. Birlashtirilgan kuchlanishlar uchun EN 1993-1-8 4.5.3-bandi bo'yicha yo'nalishli usulni qo'llang.

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