The result shows that the bleedingrate of manufactured-sand and river-sand changes in logarithm relation with stewing time;
结果表明：机制砂与河砂泌水率随静置时间成对数关系变化；
2
It was investigated that the effects of the different content micro-fines on the bleedingrate in manufactured-sand fresh concrete.
测试了不同石粉含量对机制砂混凝土拌合物泌水率的影响。
3
It is shown that the limestone powder with appropriate particle distribution can improve the fluidity of concrete, reduce bleedingrate and shorten the setting time.