Video: Cracking yog dab tsi?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Kev tawg uas tsim nyob rau hauv yas pob zeb tuaj yeem categorized raws li cov yas shrinkage cracking los yog yas sib haum xeeb cracking. Cov hom no tshwm sim los ntawm cov txheej txheem los ntshav thiab kev cais tawm uas tshwm sim thaum tshiab pob zeb muab tso rau. Xws li tawg feem ntau tshwm sim ib mus rau rau teev tom qab pob zeb kev tso kawm.
Tsis tas li ntawd, puas yog tawg hauv pob zeb ib txwm?
Raws li lub slab poob noo noo thaum kho nws tau txais me ntsis. Raws li cov pob zeb shrinks, lub slab tau tawg txhawm rau txo kev ntxhov siab. Kev poob qis tawg muaj ntau thiab tuaj yeem tshwm sim ntxov li ob peb teev tom qab cov slab tau nchuav thiab ua tiav. Feem ntau lawv tsis yog kev hem thawj rau cov qauv.
Ib tug kuj yuav nug, ntev npaum li cas cov pob zeb yuav tawg? Tawg feem ntau pib li ntawm 12 teev ntawm kev ua tiav, tab sis nws tuaj yeem ua kom qeeb lossis nrawm los ntawm huab cua. Kev poob qis tawg feem ntau yog npaj rau thiab tuav nrog tswj cov pob qij txha. Kev tswj cov pob qij txha yog tsim los txiav uas mus tsawg kawg yog ib nrab ntawm txoj kev ntawm cov thickness pob zeb slab.
Yog li ntawd, qhov sib txawv ntawm cov pob zeb tawg thiab tsis tawg yog dab tsi?
Cov pob zeb tawg yuav pom nyob rau hauv reinforced- pob zeb cov tswv cuab raws li kev pabcuam thiab hauv tsam nro. Uncracked pob zeb yog qhov twg tensile stress nyob rau hauv lub pob zeb yog me dua lub zog tensile ntawm lub pob zeb thiab yuav tsis muaj tawg tshwm sim.
Puas yog cov plaub hau tawg hauv cov pob zeb tshiab ib txwm muaj?
Vim pob zeb yog ib qho khoom siv nruj heev, qhov shrinking no tsim kev ntxhov siab rau lub pob zeb slab. Tshwj xeeb tshaj yog nyob rau hauv huab cua kub, shrinkage tawg tuaj yeem tshwm sim thaum ntxov li ob peb teev tom qab cov slab tau nchuav thiab ua tiav. Feem ntau, yas shrinkage tawg tsuas yog ib kab plaub hau nyob rau hauv dav thiab yog NW nyuam qhuav pom.
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