养护方式对负温条件下碱矿渣水泥砂浆强度的影响
发布时间:2018-10-26 13:42
【摘要】:研究了恒负温、一次冻结及预养护3种养护方式对碱矿渣水泥砂浆强度的影响,确定碱矿渣水泥-20℃条件下的临界受冻强度。实验结果表明:恒负温至-10℃时,碱矿渣水泥已经不能正常水化硬化;一次冻结降低了碱矿渣水泥各龄期的抗折和抗压强度;预养护6h的碱矿渣水泥便能在-20℃条件下继续发展强度。确定碱矿渣水泥的临界受冻强度为3 MPa。
[Abstract]:The effects of constant negative temperature, primary freezing and pre-curing on the strength of alkali slag cement mortar were studied. The critical freezing strength of alkali slag cement was determined at -20 鈩,
本文编号:2295901
[Abstract]:The effects of constant negative temperature, primary freezing and pre-curing on the strength of alkali slag cement mortar were studied. The critical freezing strength of alkali slag cement was determined at -20 鈩,
本文编号:2295901
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