| 厚松散层及超薄覆岩条件下放顶煤开采防砂煤柱 |
| |
| 引用本文： | 桂和荣,孙家斌,李明好,尹正柱,李伟,陈富勇,宋晓梅.厚松散层及超薄覆岩条件下放顶煤开采防砂煤柱[J].煤田地质与勘探,2002,30(2):36-39. |
| |
| 作者姓名： | 桂和荣 孙家斌 李明好 尹正柱 李伟 陈富勇 宋晓梅 |
| |
| 作者单位： | 1. 淮南工业学院,安徽,淮南,232001
2. 淮北矿业集团公司,安徽,淮北,235000 |
| |
| 摘 要： | 为解放厚松散层及超薄覆岩条件下防砂煤柱储量，在掌握三隔，四含水文工程地质条件基础上，通过井下疏放四含水，俣理确定允许放采比以及控制工作面两端覆岩剪切破坏，有效实践了“破坏四含，保护三含”的思路。项目自实施以来，已成功回采了40多万t煤炭，直接经济效益4000多万元。
|
| 关 键 词： | 厚松散层 超薄覆岩 放顶煤开采 防砂煤柱 渗透稳定性 允许放采比 顶板 |
| 文章编号： | 1001-1986(2002)02-0036-04 |
Study of mining the safety pillar against sand by caving method under conditions of thick ravelly ground and super thin capping rock |
| |
| GUI He rong,SUN Jia bin,LI Ming hao,YIN Zheng zhu,LI Wei,CHEN Fu yong,SONG Xiao mei.Study of mining the safety pillar against sand by caving method under conditions of thick ravelly ground and super thin capping rock[J].Coal Geology & Exploration,2002,30(2):36-39. |
| |
| Authors: | GUI He rong SUN Jia bin LI Ming hao YIN Zheng zhu LI Wei CHEN Fu yong SONG Xiao mei |
| |
| Abstract: | |
| |
| Keywords: | safety pillar against sand permeating stability ratio of the caving height and mining height coal seam roof |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
