Video: Dab tsi yog mag ntab rau pob zeb?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
A mag ntab tsuas yog ib daim tiaj tus magnesium los yog aluminium txuas rau lub kov. Cov cuab yeej tso cai rau tus neeg siv ntab pob zeb ntawm nws lub siab xav thiab lub kaum sab xis.
Tsis tas li ntawd, qhov txawv ntawm lub trowel thiab ntab yog dab tsi?
A ntab muaj lub hauv paus tuab dua li ib trowel thiab feem ntau yog ua los ntawm yas, daim txhuam cev, roj hmab, ntoo lossis magnesium - lub teeb daj daj daj. Nws tau siv txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm Qhov kawg yuav nyob ntawm qhov ntab xaiv
Ib sab saum toj, ua li cas koj ntab thiab trowel pob zeb? Trowel nto Smooth nto nrog ib tug hlau trowel tom qab nws ib nrab tawv. Tuav lub trowel yuav luag tiaj tus thiab viav vias nws nyob rau hauv loj overlapping arcs thaum thov siab. ntab tus pob zeb thaum koj ua tiav cov hniav thiab ntug (Daim duab 6).
Ua raws li qhov xav tau, koj tos ntev npaum li cas kom ntab pob zeb?
Cia tag nrho cov dej kom ploj ua ntej koj ua lwm yam. Qhov no tuaj yeem nqa 20 feeb los yog 4 hnu nyob ntawm qhov kub thiab txias, av noo thiab cua txias npaum li cas. Tom qab cov dej los ntshav tag nrho lawm, koj tuaj yeem tawm koj cov hlau ua tiav thiab muab tso rau qhov kawg kov.
Mag float ua haujlwm li cas?
Mag Float yog lub npe nrov rau ib hom thoob dej yug ntses tu tshuab uas muaj ob sab sib nqus. Ib sab yog ntxhib thiab mus rau sab hauv ntawm lub tank, lwm sab yog mos thiab mus rau sab nraud. Thaum cov hlau nplaum txuas nrog, koj tuaj yeem txav lub thoob dej yug ntses nyob ib ncig ntawm lub khob kom txhuam cov algae.
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
Dab tsi yog qhov siab tshaj plaws rau lub pob zeb pob zeb?
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Dab tsi yog qhov txawv ntawm pob zeb pob zeb thiab cov cement slab?
Qhov sib txawv ntawm cov cement thiab pob zeb Txawm hais tias cov ntsiab lus cement thiab pob zeb feem ntau siv sib hloov, cov cement yog cov khoom xyaw ntawm cov pob zeb. Lub pob zeb yog qhov sib xyaw ntawm cov khoom sib xyaw thiab muab tshuaj txhuam. Cov aggregates yog xuab zeb thiab gravel los yog crushed pob zeb; cov tshuaj nplaum yog dej thiab portland cement
Dab tsi yog qhov sib xyaw zoo tshaj plaws rau cov pob zeb pob zeb?
Kev sib xyaw ua ke ntawm 1 feem ntawm cov cement: 2 qhov chaw xuab zeb: 4 qhov sib xyaw ua ke (los ntawm ntim) yuav tsum tau siv rau kev taw qhia. Cov pob zeb yuav tsum tau muab tso rau hauv ib nrab ib teev ntawm kev sib tov.Brickwork - Muab koj cov pob zeb tso rau hauv koj lub trench
Lub pob zeb ntab ntab yog dab tsi?
Cov pob zeb ntab hauv pem teb muaj xws li cov pob zeb ua kom muaj zog txhawb nqa los ntawm cov neeg sib cais. Cov khoom sib cais tuaj yeem yog roj hmab lossis caij nplooj ntoos hlav nyob ntawm qhov xwm ntawm lub suab nrov lossis kev co. Qhov no yog qhov tseem ceeb ib yam li FSN roj hmab system, tab sis siv helical hlau springs los nqa thiab txhawb nqa cov pob zeb