Qhov txawv ntawm 4000 psi thiab 5000 psi pob zeb yog dab tsi?
Qhov txawv ntawm 4000 psi thiab 5000 psi pob zeb yog dab tsi?

Video: Qhov txawv ntawm 4000 psi thiab 5000 psi pob zeb yog dab tsi?

Video: Qhov txawv ntawm 4000 psi thiab 5000 psi pob zeb yog dab tsi?
Video: Постоянный клиент P. I. T. PMI255-C1. Первый страйк. 2024, Kaum ib hlis
Anonim

Pob zeb footings thiab slabs ntawm qib feem ntau xav tau a pob zeb ntawm 3,500 rau 4, 000 psi . Tshem tawm cov slabs, kab teeb, thiab girders (raws li feem ntau pom nyob rau hauv cov choj) xav tau 3,500 rau 5, 000 psi . Ib txwm pob zeb cov phab ntsa thiab cov kab yuav muaj li ntawm 3,000 mus rau 5, 000 psi , thaum 4, 000 rau 5, 000 psi yog xav tau rau pavement.

Hauv qhov no, qhov txawv ntawm 4000 thiab 5000 psi pob zeb yog dab tsi?

Feem ntau, ntxiv dag zog pob zeb sib txawv nruab nrab 3,500 ib 4, 000 psi yog siv rau ntawm ko taw thiab slabs ntawm qib; nruab nrab 3,500 ib 5, 000 psi ntawm cov slabs, kab teeb thiab girders; thiab phab ntsa thiab kab ib txwm xav tau nruab nrab 3,000 rau 5, 000 psi . Thaum tsis muaj zog pob zeb yog siv txawv yuav tsum muaj zog.

Ib yam li ntawd, 5000 psi pob zeb siv rau dab tsi? Pob zeb uas tshaj 5,000 PSI yog siv nyob rau hauv tshwj xeeb kev tsim kho tej yaam num uas yuav tsum tau cov ntaub ntawv nyob rau hauv lub tsev uas muaj peev xwm tiv taus hnyav thiab hnyav hnyav thiab tsim kua muag.

Hais txog qhov no, 4000 psi pob zeb siv rau dab tsi?

4000 PSI pob zeb yog siv rau hnyav tsheb pavement, hnyav siv hauv pem teb slabs zoo li lub khw thiab warehouses, thiab pob zeb footings tsim los txhawb nqa hnyav.

Qhov txawv ntawm 3500 thiab 4000 psi pob zeb yog dab tsi?

MAIN txawv yog hauv tus nqi ntawm cement siv. Ib lub cubic yard ntawm pob zeb , seb nws yog 3000 psi los yog 4000 psi , hnyav txog 4000 phaus (thaum koj suav nrog qhov hnyav ntawm dej).

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