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机构地区:[1]潞安矿业集团公司屯留煤矿,山西长治046103
出 处:《煤炭工程》2008年第8期53-55,90,共3页Coal Engineering
摘 要:煤矿井下断层或构造变动部位的煤层一般比较松散,综采面在松散煤层结采(收尾)时,顶板维护十分困难,这已成为众多煤矿普遍存在的技术难题。论文介绍屯留煤矿在S2201工作面收尾时采用工作面两侧预注浆—用高分子化学浆液对破碎煤体进行注浆加固,取得了成功。Coal seam of coal mine underground fault or structure fluctuation position is generally loose, when end on the loose fault, it's hard to take roof prevention, it has been an universal difficult technology problem in numerous coal mine. Yuwu mining group adopt two sides preparing grouting for S2201 face ending, grouting reinforce the coal breaking by macromolecule chemistry size, pledge for smooth ending, successful face end grouting experimentation will promote our interior coal winning technology to go step further evelopment.
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