煤矸石用作植被混凝土粗骨料的简化分级方法研究
发布时间:2019-04-18 09:01
【摘要】:使用煤矸石取代部分石子作粗骨料制备植被混凝土,得到了适用于制备植被混凝土的煤矸石粗骨料的简化分级方法,压碎指标小于17%的煤矸石为Ⅰ级,压碎指标在17%~23%的煤矸石为Ⅱ级,压碎指标大于23%的煤矸石为Ⅲ级。使用Ⅱ级煤矸石取代部分石子制备的煤矸石植被混凝土破坏是以粗骨料破坏与节点破坏相结合的破坏方式,既能满足强度的要求,又可以达到对煤矸石的利用。通过试验得到了不同等级煤矸石植被混凝土在不同的煤矸石取代率下的抗压强度。
[Abstract]:Using coal gangue to replace part of rock as coarse aggregate to prepare vegetation concrete, a simplified classification method of coarse aggregate of coal gangue suitable for preparing vegetation concrete is obtained. The coal gangue whose crushing index is less than 17% is grade 鈪,
本文编号:2459919
[Abstract]:Using coal gangue to replace part of rock as coarse aggregate to prepare vegetation concrete, a simplified classification method of coarse aggregate of coal gangue suitable for preparing vegetation concrete is obtained. The coal gangue whose crushing index is less than 17% is grade 鈪,
本文编号:2459919
本文链接:https://www.wllwen.com/kejilunwen/huagong/2459919.html