特厚煤层综放采动底板变形破坏规律的综合实测

朱术云; 曹丁涛; 岳尊彩; 姜振泉; 赵连涛; 于旭磊

特厚煤层综放采动底板变形破坏规律的综合实测 English Version

(1. 中国矿业大学资源与地球科学学院，江苏徐州 221116；2. 兖矿集团兖州煤业股份有限公司，山东邹城 273500；3. 兖州煤业股份有限公司兴隆庄煤矿，山东兖州 272100)

详细信息

作者简介:
朱术云(1975–)，男，安徽灵璧人，博士，副教授，硕士生导师，主要从事煤矿工程地质和水文地质方面的教学和科研工作。

中图分类号: TD323
计量
- 文章访问数: 883
- HTML全文浏览量: 1
- PDF下载量: 537
出版历程
- 收稿日期: 2011-11-13
- 发布日期: 2012-11-13

Comprehensive measurement of characteristics of deformation and failure of extra-thick coal seam floor induced by fully mechanized top-coal mining

(1. School of Resources and Earth Science, China University of Mining and Technology, Xuzhou 221116, China; 2. Yanzhou Coal Mining Co., Ltd., Yanzhou Coal Mining Company, Zoucheng 273500, China; 3. Xinglongzhuang Coal Mine, Yanzhou Coal Mining Co., Ltd., Yanzhou 272100, China)

摘要

摘要: 为了探究兖州煤田兴隆庄煤矿特厚煤层综放开采对底板岩层的变形破坏规律，应用钻孔应变感应法和超声成像技术对该矿某综放工作面进行了综合实测，获得了底板下不同深度应变增量随工作面推进的变化曲线和工作面推进过程中不同深度钻孔超声成像图片资料。通过5个应变传感器监测数据和大量钻孔超声成像图片的关联对比分析，基本确定了该工作面采动底板扰动深度和矿压作用下支撑压力的影响范围。研究结果表明：①该工作面底板采动扰动深度约为19 m，具有较明显分带性，即可分为采动扰动破坏带和采动扰动变形带，带厚分别约为16 m和3 m；②采动扰动破坏带属于整体塑性变形，其强度条件已基本丧失，但采动扰动变形带仍以弹性变形为主，具有良好的承载条件和较强的抗渗强度；③采动矿压超前和滞后显现明显，其对底板影响程度具有由浅及深而减小的特征。该综合实测方法的成功应用不但为综放开采巷道支护、老空水防治等提供重要信息，而且对深部即将开采的下组煤能否安全带压采掘研究也将具有重要参考价值。
- 综放开采 /
- 采动底板 /
- 变形破坏深度 /
- 综合实测
Abstract: In order to study the characteristics of deformation and failure of fully mechanized top-coal seam floor under mining in Xinglongzhuang Coal Mine in Yanzhou Coal Field, comprehensive measurements are performed by means of the strain testing system and ultrasonic imaging technology in the fully mechanized top-coal working face, and the variation curves of strain increment and the ultrasonic imaging pictures at different depths are obtained in the monitoring boreholes with extending of the working face. Through the comprehensive comparison of monitoring data of five strain transducers and many hole wall pictures, the disturbance depth and underground pressure influence range are approximately ascertained. The results show that: (1) the disturbance depth of the coal seam floor is about 19 meters, and there are obvious belts, namely, the belt of mining disturbance failure and the belt of mining disturbance deformation, which are 16 meters and 3 meters in thickness respectively; (2) the belt of mining disturbance failure belongs to the whole plastic deformation, and the rock mass in the belt fails, but the belt of mining disturbance deformation still belongs to elastic deformation and has a good bearing capacity and strong anti-permeability strength; (3) the underground pressure of mining obviously emerges ahead and behind, which has the weakening characteristics to the coal seam floor from shallow to deep. The successful applications of the comprehensive measurements provide important information for roadway support for fully mechanized top-coal mining and for controlling of goaf water, and important reference value for safely mining lower coal seam in coal fields in North China above the confined aquifers.
- fully mechanized top-coal mining /
- mining floor /
- depth of deformation and failure /
- undefined

HTML全文

参考文献(21)

[1]	王作宇, 刘鸿泉. 承压水上采煤[M]. 北京: 煤炭工业出版社, 1993. (WANG Zuo-yu, LIU Hong-quan. Mining in confined aquifer[M]. Beijing: China Coal Industry Publishing House, 1993. (in Chinese))
[2]	张金才, 张玉卓, 刘天泉. 岩体渗流与煤层底板突水[M]. 北京: 地质出版社, 1997. (ZHANG Jin-cai, ZHANG Yu-zhuo, LIU Tian-quan. Rock mass seepage and water inrush of coal seam floor[M]. Beijing: Geological Publishing House, 1997. (in Chinese))
[3]	李春意, 崔希民, 郎博, 等. 霍宝干河矿含隔水层特性及对下组煤开采的影响分析[J]. 采矿与安全工程学报, 2010, 27(3): 438–442. (LI Chun-yi, CUI Xi-min, LANG Bo, et al. Characteristics of aquifer and water-resisting stratum and its influence on lower coal seam mining in Huobaoganhe Colliery[J]. Journal of Mining & Safety Engineering，2010, 27(3): 438–442. (in Chinese))
[4]	尹会永, 魏久传, 刘同彬. 基于多源信息复合的煤层底板突水评价[J]. 山东科技大学学报 (自然科学版), 2008, 27(2): 6–9. (YIN Hui-yong, WEI Jiu-chuan, LIU Tong-bin. Evaluation of water inrush in seam floor based on multi-originated information complex[J]. Journal of Shandong University of Science and Technology (Natural Science), 2008, 27(2): 6–9. (in Chinese))
[5]	藏思茂, 张德辉, 李刚. 煤层开采对底板的破坏规律及其水害防治技术[J]. 辽宁工程技术大学学报（自然科学版）, 2011, 30(3): 341–344. (ZANG Si-mao, ZHANG De-hui, LI Gang. Failure characteristics of floor result from mine and preventive treatment technology of mine water disaster[J]. Journal of Liaoning Technical University (Natural Science), 2011, 30(3): 341–344. (in Chinese))
[6]	吴基文. 煤层底板采动效应与阻水性能的岩体结构控制作用研究[D]. 徐州: 中国矿业大学, 2007. (WU Ji-wen. Study on the mining effect and water-resisting characteristics of coal seam floor controlled by rock mass structure[D]. Xuzhou: China University of Mining and Technology, 2007. (in Chinese))
[7]	XIE G X, CHANG J C, YANG K. Investigations into stress shell characteristics of surrounding rock in fully mechanized top-coal caving face[J]. International Journal of Rock Mechanics & Mining Sciences, 2009, 46: 172–181.
[8]	卫伟. 矿压对肥城矿区底板破坏深度的实测研究[J]. 中国煤炭, 2005, 31(9): 55–57. (WEI Wei. Study on in-situ measurement of coal seams floor destroyed deepth under underground[J]. China Coal, 2005. 31(9): 55–57. (in Chinese))
[9]	施龙青, 朱鲁, 韩进, 等. 矿山压力对底板破坏深度监测研究[J]. 煤田地质与勘探, 2004, 32(6): 20–23. (SHI Long-qing, ZHU Lu, HAN Jin, et al. Monitor study on broken floor depth caused by underground pressure[J]. Coal Geology and Exploration, 2004, 32(6): 20–23. (in Chinese))
[10]	刘传武, 张明, 赵武升. 用声波测试技术确定煤层开采后底板破坏深度[J]. 煤炭科技, 2003, 4: 4–5. (LIU Chuan-wu, ZHANG Ming, ZHAO Wu-sheng. Use sound waves testing technology to ensure failure depth of mining coal ceam floor[J]. Coal Science and Technology Magazine, 2003, 4: 4–5. (in Chinese))
[11]	张平松, 吴基文, 刘盛东. 煤层采动底板破坏规律动态观测研究[J]. 岩石力学与工程学报, 2006, 25(增刊1): 3009–3013. (ZHANG Ping-song, WU Ji-wen, LIU Sheng-dong. Study on dynamic observation of coal seam floor’s failure law[J]. Chinese Journal of Rock Mechanics and Engineering, 2006, 25(S1): 3009–3013. (in Chinese))
[12]	关英斌, 李海梅, 路军臣. 显德汪煤矿9号煤层底板破坏规律的研究[J]. 煤炭学报, 2003, 28(2): 121–125. (GUAN Ying-bin, LI Hai-mei, LU Jun-chen. Research of No. 19 coal seam floor’s fracture regularity in Xiandewang Coal Mine[J]. Journal of China Coal Society, 2003, 28(2): 121–125. (in Chinese))
[13]	徐玉增. 葛泉矿带压开采下组煤底板破坏深度探测研究[J]. 中国煤炭, 2010, 36(4): 48–51. (XU Yu-zeng. A study on the depth of floor damage in lower coal seam mining with water pressure in Gequan Coal Mine[J]. China Coal, 2010, 36(4): 48–51. (in Chinese))
[14]	朱术云, 鞠远江, 赵振中, 等. 超化煤矿“三软”煤层采动底板变形破坏的实测研究[J]. 岩土工程学报, 2009, 31(4): 639–642. (ZHU Shu-yun, JU Yuan-jiang, ZHAO Zhen-zhong, et al. Field measurement study on deformation and destruction of“three-soft”coal seam floor of Chaohua Coal Mine[J]. Chinese Journal of Geotechnical Engineering, 2009, 31(4): 639–642. (in Chinese))
[15]	王吉松, 关英斌, 鲍尚信, 等.相似材料模拟在研究煤层底板采动破坏规律中的应用[J]. 世界地质, 2006, 25(1): 86–90. (WANG Ji-song, GUAN Ying-bin, BAO Shang-xin, et al. Application of similarmaterial simulation in research of coal seam floor failure regularity[J]. Global Geology, 2006, 25(1): 86–90. (in Chinese))
[16]	弓培林, 胡耀青, 赵阳升, 等. 带压开采底板变形破坏规律的三维相似模拟研究[J]. 岩石力学与工程学报，2005, 24(23): 4396–4402. (GONG Pei-lin, HU Yao-qing, ZHAO Yang-sheng, et al. Three-dimensional simulation study on law of deformation and breakage of coal floor on mining above aquifer[J]. Chinese Journal of Rock Mechanics and Engineering, 2005, 24(23): 4396–4402. (in Chinese))
[17]	JAISWAL A, SHRIVASTVA B K. Numerical simulation of coal pillar strength[J]. International Journal of Rock Mechanics & Mining Sciences, 2009, 46: 779–788.
[18]	ISLAM R M, HAYASHI D, KAMRUZZAMAN A. Finite element modeling of stress distributions and problems for multi-slice longwall mining in bangladesh, with special reference to the barapukuria coal mine[J]. International Journal of Coal Geology, 2009, 78: 91–109.
[19]	宋振骐, 蒋宇静, 杨增夫, 等. 煤矿重大事故预测和控制的动力信息基础研究[M]. 北京: 煤炭工业出版社, 2003. (SONG Zhen-qi, JIANG Yu-jing, YANG Zeng-fu, et al. Forecast and control of major accident in collieries and its dynamic information system[M]. Beijing: China Coal Industry Publishing House, 2003. (in Chinese))
[20]	蔡东红, 董昌伟, 彭龙超, 等. 煤层覆岩圆拱结构下底板破坏深度的解析估算[J]. 山东科技大学学报 (自然科学版), 2005, 24(2): 13–16. (CAI Dong-hong, DONG Chang-wei, PENG Long-chao, et al. The analytic estimation of floor failure depth under the arch structure of overlying strata of coal seam[J]. Journal of Shandong University of Science and Technology (Natural Science), 2005, 24(2): 13–16. (in Chinese))
[21]	段宏飞, 姜振泉, 张蕊, 等. 杨村煤矿综采条件下薄煤层底板破坏深度的实测与模拟研究[J].煤炭学报, 2011, 36(增刊1): 13–17. (DUAN Hong-fei, JIANG Zhen-quan, ZHANG Rui, et al. Field measurement and simulation research on failure depth of fully mechanized thin coal seam floor in Yangcun Coal Mine[J]. Journal of China Coal Society, 2011, 36(S1): 13–17. (in Chinese))

施引文献

资源附件(0)

计量

文章访问数: 883
HTML全文浏览量: 1
PDF下载量: 537
被引次数: 0

特厚煤层综放采动底板变形破坏规律的综合实测 English Version

作者简介: 朱术云(1975–)，男，安徽灵璧人，博士，副教授，硕士生导师，主要从事煤矿工程地质和水文地质方面的教学和科研工作。

计量

出版历程

Comprehensive measurement of characteristics of deformation and failure of extra-thick coal seam floor induced by fully mechanized top-coal mining

计量

出版历程

目录

作者简介:
朱术云(1975–)，男，安徽灵璧人，博士，副教授，硕士生导师，主要从事煤矿工程地质和水文地质方面的教学和科研工作。