摘要
位于厚表土深部立井井壁由于地表沉降而被破坏 ,为了确保矿井安全 ,需对其壁后土层进行注浆加固 ,故合理设计注浆工艺和参数是非常重要的 .为此 ,根据实测的注浆数据 ,首先分析在粘土层和砂土层中浆液的注入机理 .在此基础上 ,应用弹塑性理论 ,推导了注浆压力、注浆量和注浆孔距的计算公式 .经实际应用 ,取得了较为满意的注浆效果 .
It is very important to design its parameters and its craft in order to guarantee engineering quality and shaft security .On the basis of result of time vs grouting pressure from practical measurement, grouting mechanism was analyzed in clay and sand layer and the questions about grouting pressure, grouting quantity and distance between grouting hole were established based on elastic plastic theory. Through practical application, a good effect has been achieved.
出处
《煤炭学报》
EI
CAS
CSCD
北大核心
2000年第5期486-490,共5页
Journal of China Coal Society
关键词
立井
土层加固
注浆机理
注浆参数
井壁
注浆量
vertical shaft
thick topsoil reinforced
grouting mechanism
grouting parameters
