薄基岩工作面断层预注浆加固技术研究

Shandong Coal Science and Technology(2020)

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Abstract
杨村煤矿330工作面属于厚松散层薄基岩工作面,桲椤树二号正断层贯穿整个工作面,断层附近突水溃砂风险较大.通过对断层超前预注浆加固,提高断层破碎带的整体性和稳定性,减小因断层影响的冒裂带发育高度,从而实现工作面安全开采.
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