32 初凝时间(initial setting time): 试杆距底板距离为4mm±1mm。 终凝时间: 当试针沉入试体0.5mm时,即环形附 件开始不能在试体上留下痕迹时。
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... post-tensioned prestressed concrete structure 后张法预应力混凝土结构 presetting time 初凝时间 prestressed concrete structure 预应力混凝土结构 ...
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... INITIAL DATA SETTING 初始数据设定 time of initial setting 初凝时间 Time,initial setting 始凝时间 ...
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稀浆封层在高速公路养护中的应用_建筑工程管理论文 关键词】 稀浆封层;原路面;初凝时间;配合比 [gap=315]Key word:slurry seal; original road surface; set time; fit ratio
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硅酸盐水泥的初凝时间不得早于45分钟,终凝时间不得迟于390分钟。
The initial setting time of Portland cement shall not be earlier than 45 minutes, final set time not later than 390 minutes.
本发明提供一种缩短水泥制品初凝时间,提高生产效率的水泥制品促凝方法。
The invention provides a cement product setting accelerating method which can shorten the initial setting time of the cement product and enhance the production efficiency.
结果表明,随着铝酸钙水泥含量的增加,氧化镁系包埋料的初凝时间缩短,流动性变差;
The results show that, with the in- crease in CA cement content, the fluidity of MgO-based investment materials decreases and so does the initial setting time.
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