减缩率 meaning in English
decrement
percent reduction
Examples
- The shrinkage reducing rate can reach to 70 % at the 7th day , and the shrinkage reducing rate can reach to 40 % at the 28th day . it doesn ’ t reduce the intension of the concrete . it can have an ability of 10 18 % of reducing water rate
通过对比试验发现,聚丙烯酸盐类减缩剂的最佳掺量为水泥质量的1 . 2 % , 7天减缩率可达70 % , 28天减缩率可达40 % ,且不降低混凝土的强度,具有10 18 %的减水率,有一定的缓凝作用。