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China/Asia On Demand
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chang ping lu jia yu hui feng li jing shi gong
Author(s): 
Pages: 168-169
Year: Issue:  1
Journal: Express Information of Mining Industry

Keyword:  回风立井井筒施工注浆措施;
Abstract: 在立井井筒施工过程中,经常会遇到含水量非常大的基岩地层,需要使用预注浆措施对含水层进行封堵。以长平芦家峪回风立井的注浆施工为例,就其施工技术、质量要求、注浆材料的选取、注浆顺序、注浆压力、冲孔等技术措施进行了探讨。
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