Sulphate resisting cement siv qhov twg?

Cov txheej txheem:

Sulphate resisting cement siv qhov twg?
Sulphate resisting cement siv qhov twg?

Video: Sulphate resisting cement siv qhov twg?

Video: Sulphate resisting cement siv qhov twg?
Video: Sulphate Resisting Cement | SRC | Area of Application | Quality parameter | Manufacturing Process 2024, Hlis ntuj nqeg
Anonim

Kev siv cov sulphate Resisting Cement Sulphate Resisting Cement raug pom zoo rau cov qauv hauv qab no: Foundations. Piling ua haujlwm. Kev tsim kho hauv kev sib cuag nrog cov av lossis dej hauv av uas muaj ntau tshaj 0.2% lossis 0.3% g / l sulfate ntsev raws li.

Sulphate resisting cement siv li cas?

Sulfate-resisting cement yog pom zoo siv rau hauv txhua pob zeb, mortar thiab grout hauv qab av lossis qhov twg sulfates muaj nyob rau hauv cov ntsiab lus yuav ua rau muaj kev puas tsuaj raws li tau piav qhia dhau los(tshwj tsis yog rau chav kawm DC-4m).

qhov chaw ceev ceev siv cement nyob qhov twg?

Siv ceev qhov chaw cement

Nws yog siv hauv hauv qab dej tsim. Nws kuj yog siv nyob rau hauv rainy & txias huab cua. Qhov twg, lub zog ceev yog xav tau nyob rau lub sijhawm luv luv. Siv qhov kub siab dua qhov dej evaporates yooj yim.

Kev siv cov cement uas tsis muaj cua sov yog dab tsi?

Tsuas Kub Cement yog tshwj xeeb sib xyaw kom muab cov cua sov qis ntawm cov dej hauv cov pob zeb Cov cwj pwm tshwj xeeb no ua rau nws zoo tagnrho rau cov pob zeb loj uas qhov ntsuas kub thiab qhov siab tshaj plaws. Ua tiav yuav tsum tau tswj kom txo tau qhov kev pheej hmoo ntawm thermal cracking.

Yam tsawg kawg 7 hnub lub zog ntawm cov cement uas tsis muaj cua sov yog dab tsi?

Rau cov cua kub qis portland cement, compressive zog yog 35MPa ntawm 28 hnub, 16MPa ntawm 7days thiab 10MPa ntawm 3 hnub ntawm kev kho tom qab casting.

Pom zoo: