Qhov kub npaum li cas tuaj yeem ua pob zeb?

Cov txheej txheem:

Qhov kub npaum li cas tuaj yeem ua pob zeb?
Qhov kub npaum li cas tuaj yeem ua pob zeb?
Anonim

Temperature Ranges for Pouring Concrete Experts pom zoo-qhov kub zoo tshaj plaws rau cov pob zeb yog nruab nrab ntawm 40 ° - 60 ° F. Thaum kub poob qis dua 40 ° F, cov tshuaj tiv thaiv uas ntxiv dag zog rau pob zeb qeeb thiab tuaj yeem ua rau cov pob zeb tsis muaj zog.

Puas yog muab pob zeb ua rau huab cua txias?

Cov kws tshaj lij pom zoo tias qhov kub zoo tshaj plaws rau cov pob zeb yog ntawm 50-60 ° F. Cov tshuaj tiv thaiv tsim nyog uas tsim thiab ntxiv dag zog rau cov pob zeb qis qis qis dua 50 ° F thiab yuav luag. Tsis muaj nyob hauv qab 40 ° F.

Yuav kho pob zeb ntawm 40 degrees?

pob zeb ua kom qeeb qeeb thaum nws txias heev - qis dua 50 degrees Fahrenheit thiab qis dua 40 degrees Fahrenheit, cov dej tshuaj tiv thaiv pib nres thiab cov pob zeb tsis muaj zog. Txhua yam qis dua 40 degrees Fahrenheit yuav ua rau cov txheej txheem kho kom qeebthiab tseem tuaj yeem nres nws tag nrho.

Koj puas tuaj yeem nchuav pob zeb yog tias nws khov thaum hmo ntuj?

Yog tias nws txias heev tias hauv av khov tsis txhob nchuav pob zeb nyob rau txhua qhov xwm txheej. Qhov teeb meem loj tshaj plaws thaum nchuav pob zeb thaum huab cua kub siab tshaj qhov khov yog hmo ntuj kub uas yuav ua raws. Pob zeb teeb tsa qeeb qeeb hauv huab cua txias.

Qhov kub twg yuav khov pob zeb?

MISTAKE 2: NYIAJ TXIAV TXIM RAU DAIM

Plastic pob zeb khov ntawm kwv yees 25 ° Fthiab ua li ntawd tuaj yeem txo qhov kawglub zog los ntawm ntau tshaj 50%. Yog li ntawd, nws yog ib qho tseem ceeb kom khaws cov pob zeb tshiab los ntawm khov kom txog thaum nws ncav cuag lub zog compressive tsawg kawg yog 500psi.

Pom zoo: