某矸石山注浆加固治理效果评价

Evaluation on grouting reinforcement effect of a gangue dump

大量煤矸石露天堆积极易失稳,对邻近的耕地、林木和居民区构成严重威胁。以晋城某矸石山注浆加固治理工程为例,以现场原位测试为主,采用重型圆锥动力触探试验、孔内波速测试、注浆结石体室内试验、变形观测及边坡稳定性评价等方法对注浆效果进行综合评价,结果显示注浆质量合格,矸石山治理后整体稳定性较好。

A large amount of coal gangue is easy to be unstable in the open air,which poses a serious threat to the adjacent cultivated land,trees and residential areas.In this paper,a gangue dump grouting reinforcement project in Jincheng is taken as an example.Based on in-situ test,the grouting effect is comprehensively evaluated by means of heavy cone dynamic penetration test,borehole wave velocity test,grouting stone body indoor test,deformation observation and slope stability evaluation.The results show that the grouting quality is qualified and the overall stability of gangue dump is good after treatment.