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author:

李兴尚 (李兴尚.) [1] (Scholars:李兴尚) | 许家林 (许家林.) [2]

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CQVIP

Abstract:

结合工程背景,采用相似材料模拟试验,对比研究了条带开采垮落区注浆充填与条带开采覆岩移动特征.结果表明:在已开采条带垮落区实施注浆充填能有效地减小覆岩垮落角和垮落高度,既可阻止主关键层破断,又可限制煤岩柱侧向垮落和变形,使相邻工作面垮落空间无法贯通,形成非充分开采;与条带开采相比,当充填量为30%时,条带开采垮落区注浆充填既可减小地面变形、又可提高煤炭采出率20%, "关键层-煤柱-注浆充填体"的共同作用可有效地控制开采沉陷.

Keyword:

岩层移动 条带间垮落区注浆充填 相似材料试验 绿色开采

Community:

  • [ 1 ] [李兴尚]福州大学
  • [ 2 ] [许家林]中国矿业大学

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Source :

采矿与安全工程学报

ISSN: 1673-3363

CN: 32-1760/TD

Year: 2009

Issue: 3

Volume: 26

Page: 284-287

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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