| 徐盼,吴德义.口孜东矿11-2煤岩巷顶板离层稳定性分析[J].安徽建筑大学学报,2015,23(1):40-42 |
| 口孜东矿11-2煤岩巷顶板离层稳定性分析 |
| Research on roof separation stability of rock tunnel in 11-2 coal layer in Kou-Zi Dong mine |
| |
| DOI：10.11921/j.issn.2095-8382.20150109 |
| 中文关键词: 层间离层 塑性变形 顶板离层稳定性 顶板岩层组成 |
| 英文关键词: interlayer separation plastic deformation stability of roof separation composition of roof layer |
| 基金项目: |
|
| 摘要点击次数: 8412 |
| 全文下载次数: 0 |
| 中文摘要: |
| 淮南矿区口孜东矿11-2煤埋置深,顶板地质条件复杂，根据已有研究结果将多点位移计实测的顶板总离层分离为层间离层和塑性变形。比较分离后层间离层、塑性变形值与其临界值 ，得出了该煤层岩巷顶板失稳特征，并分析了顶板岩层组成变化对其产生的影响，可为顶板合理支护提供依据 |
| 英文摘要: |
| Because of deeper tunnel buried depth and complex roof geological conditions of 11-2 coal layer in Huainan Kou-Zi Dong mine, total roof separation value tested by Multi-point displacement meter was differentiated into interlayer separation and plastic deformation based on the current research achievements. The instability characteristic and influence of roof rock layer variation on instability were analyzed by comparison interlayer separation value and plastic deformation value with their critical value. The result could offer basement for reasonable roof support. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
