Video: Puas yog pob zeb zoo dua li cement?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Pob zeb yog ruaj dua tshaj li cement.
Yog lawm, pob zeb tuaj yeem kav ntau pua xyoo, tab sis cement yog ntau tsawg ruaj. Yuav kom siv ib tug analogy, cement yog to pob zeb zoo li mis nyuj rau ice cream. Tseeb, ice cream muaj mis nyuj nyob rau hauv nws, tab sis nws tsis yog mis nyuj. Nws yog tiag tiag ntau zoo dua.
Hauv qhov no, cov cement muaj zog dua li pob zeb?
Pob zeb yog qhov sib xyaw ntawm cov dej, cement , xuab zeb ib yam li mortar. Txawm li cas los pob zeb kuj muaj gravel thiab lwm yam coarse aggregates uas ua rau nws muaj zog dua thiab ruaj khov dua. Pob zeb muaj dej tsawg-rau- cement ratio thiab yog ib tug thinner sib xws tshaj mortar.
Tsis tas li ntawd, cov cement tuaj yeem siv los ntawm nws tus kheej? Cement yog hmoov zoo khi uas yeej tsis yog siv ib leeg tab sis yog ib feem ntawm ob qho tib si ua vaj tse thiab cug, nrog rau stucco, pobzeb grout, thiab txheej txheej nplaum. Cug yog tsim los ntawm cement , nplua xuab zeb thiab txiv qaub; nws yog siv ib qho khoom siv khi thaum tsim nrog cib, thaiv, thiab pob zeb.
cement muaj zog npaum li cas?
Nws yog pob zeb uas yog muaj zog txaus los nqa qhov kev ntxhov siab ntawm 3,000 psi ntawm 28 hnub. Qhob kuj yuav raug teev nyob rau hauv lwm yam zog thiab. Pas ua vaj tse muaj zog ntawm 7,000 psi los yog tsawg dua; pob zeb nrog lub zog ntawm 7,000 thiab 14, 500 psi yog suav tias yog cov pob zeb muaj zog.
Yuav ua li cas koj qhia tau los ntawm pob zeb?
Nyob rau hauv dav dav, lo lus cement yog hais txog txhua yam ntaub ntawv uas tuav tau lwm yam ntaub ntawv ua ke. Pob zeb , ntawm qhov tod tes, yog cov khoom sib xyaw xws li xuab zeb, gravel, thiab pob zeb me me ua ke nrog txhua yam cement thiab dej. Tom qab ntawd lub concoction yog tso cai rau qhuav thiab harden.
Pom zoo:
Puas yog kuv lub pob zeb pob zeb xav tau rebar?
Tsis yog txhua qhov chaw yuav tsum tau pob zeb rebar reinforcement, tab sis ntxiv nws ua rau pob zeb muaj zog thiab tiv taus cov kab nrib pleb loj. Yog tsis muaj rebar reinforcement, pob zeb yog qhov ua rau tawg vim muaj zog quab yuam. Rebar pab tiv thaiv cov kab nrib pleb los ntawm kev loj hlob loj los ntawm kev tiv thaiv cov pob zeb tawg los ntawm kev sib nrug
Koj puas tuaj yeem muab cov pob zeb zoo nkauj tshaj cov pob zeb uas twb muaj lawm?
Koj tuaj yeem ua pob zeb tsuas yog thaum nws tseem ntub los ntawm lub ncuav. Txhawm rau ntxiv kev ntxhib los mos rau lub patio uas twb muaj lawm, ncuav ib txheej tshiab ntawm pob zeb tshaj qhov qub thiab stamp nws, muab cov patio uas twb muaj lawm yog qhov zoo. Koj tuaj yeem ua rau pom qhov zoo ntawm cib ua haujlwm dhau ntawm qhov chaw ua vaj tse tshiab
Puas yog pob zeb xav tau lub hauv paus pob zeb?
Txawm hais tias koj nchuav pob zeb rau txoj kev taug kev lossis patio, lub hauv paus pob zeb muaj zog yuav tsum tau tiv thaiv lub pob zeb los ntawm kev tawg thiab hloov pauv. Gravel tso cai rau dej ntws mus rau hauv av hauv qab no. Thaum ntim nruj, txawm li cas los xij, cov pob zeb tsis hloov hauv qab lub pob zeb
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