Video: Muaj pes tsawg hom pob qij txha nyob rau hauv kev tsim kho?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Pob zeb pob qij txha muaj plaub yam hom nyob ntawm lawv haum thiab lub zog faib. Lawv yog raws li nram no: Kev tsim kho pob qij txha : Cov pob qij txha yog tsim los tso cai rau kev hloov pauv ntawm ob sab ntawm cov slab tab sis kuj hloov cov kev ntxhov siab uas ua rau lawv los ntawm cov khoom siv sab nraud nrog cov nyhuv siab tshaj plaws.
Kev sib raug zoo, hom kev sib koom ua ke hauv kev tsim kho yog dab tsi?
Ob peb yam hom pob qij txha siv hauv tsev kev tsim kho suav nrog kev sib koom ua ke , tswj sib koom , expansion sib koom , kev daws teeb meem sib koom , thiab seismic sib koom . Tsev pob qij txha tuaj yeem ua kom haum rau kev txav vertically, horizontally thiab raws qhov tob ntawm cov qauv.
Tom qab ntawd, lo lus nug yog, dab tsi yog qhov sib txawv ntawm cov pob qij txha hauv cov pavement nruj? KEV PAB CUAM HAUV PAVEMENT Muaj ntau hom pob qij txha hauv pob zeb txoj kev , np. contraction sib koom , kev tsim kho sib koom , expansion sib koom thiab warping sib koom.
Ntawm no, cov pob qij txha hauv pob zeb hu ua dab tsi?
Tswj pob qij txha , thiab lub npe hu ua contraction pob qij txha , yog ib txwm txhob txwm tawg nyob rau hauv a pob zeb slab. Lawv ua ntau yam zoo li perforations nyob rau hauv daim ntawv, tiv thaiv kev ntxhov, jagged rips.
Vim li cas cov pob qij txha muab?
Nthuav dav sib koom Cov no yog muab raws li kev taw qhia transverse tso cai rau kev nthuav dav thiab kev cog lus ntawm cov pob zeb ua vaj tse vim qhov kub thiab txias ntawm cov dej noo sib txawv. Lawv yog npaj los tiv thaiv kom tsis txhob muaj kev puas tsuaj rau hauv lub slab nws tus kheej los yog ib puag ncig cov qauv.
Pom zoo:
Yuav ua li cas yog qhov tsawg kawg nkaus pob zeb npog nyob rau hauv mm ntawm ib tug cam khwb cia nyob rau hauv qhov chaw pob zeb tso tawm tsam thiab mus tas li raug rau lub ntiaj teb?
Table-1: Yam Tsawg Npog Thickness rau Cast-in-Place Qhob Hom kev tsim ua vaj tse hla, hli Qhob nrum tiv thaiv thiab txuas mus tas li nrog hauv av 75 Pob zeb sib chwv nrog av lossis dej No. 19 txog No. 57 tuav 50 No. 16 bar thiab me dua 40
Muaj pes tsawg hom kev qhuab qhia muaj nyob hauv kev mloog kev ncaj ncees?
Kev qhuab qhia hauv kev mloog lus ncaj ncees yuav suav nrog: Koj cim: a. ntau tshaj ib hom kev qhuab qhia
Yuav ua li cas feem ntau koj muab expansion pob qij txha nyob rau hauv brickwork?
Feem ntau, kev paub qhia tias cov pob qij txha hauv cov av nplaum yuav tsum tau nyob ntawm kwv yees li 10 - 12 meters
Qhov twg yog qhov kev tsim kho pob qij txha?
Kev tsim kho kev sib koom ua ke yog ib qho ntawm cov pob qij txha hauv qhov chaw tsim kho uas tuaj yeem nyob ntawm phab ntsa thiab slabs. Kev siv nrov tshaj plaws ntawm kev tsim kho kev sib koom ua ke yog ntawm cov slabs tshem tawm. Qhov tseeb, nws txhais tau hais tias yog ib qho kev txiav ntev hauv lub slab thaum lub sij hawm ua vaj tse pouring txheej txheem
Yuav ua li cas ua kom contraction pob qij txha hauv pob zeb?
Cov txheej txheem ntawm kev sib koom ua ke tuaj yeem ua tiav nyob rau hauv ib qho ntawm 3 theem: Thaum muab cov pob zeb, ib lub premoulded sawb yuav muab tso rau hauv lub pob zeb los tsim lub dav hlau tsis muaj zog. Hlau strips ntxig rau hauv terrazzo lossis preformed yas strips tuaj yeem muab tso rau hauv cov pob zeb ua pob zeb kom tsis txhob tawg