深部沿空留巷围岩变形特征与支护技术

摘要
图/表
参考文献
相关文章 (15)

全文: PDF (1518 KB) HTML (1 KB)
输出: BibTeX | EndNote (RIS)

摘要以淮南谢家集第一煤矿深部沿空留巷为工程背景，采用数值模拟分析巷道围岩变形与应力分布特征。详细介绍深部沿空留巷井下试验，包括巷内基本支护、加强支护与巷旁支护设计，从巷道掘进、留巷，一直到留巷复用各阶段的矿压监测数据。通过围岩、充填体位移与锚杆、锚索受力数据分析，评价支护效果。井下实践表明：采用高预应力、强力锚杆与锚索作为巷内基本支护，单体支柱配铰接顶梁为加强支护，及膏体充填巷旁支护，能够有效控制深部沿空留巷围岩的强烈变形，保持留巷稳定。基于数值模拟与井下试验研究成果，分析巷内基本支护、加强支护与巷旁支护的相互关系，指出深部沿空留巷在顶板断裂位置、基本顶回转及围岩长期蠕变等方面与浅部留巷有很大区别，并提出深部沿空留巷支护设计原则。针对井下试验中存在的问题，提出改进意见。

	服务

	把本文推荐给朋友
	加入我的书架
	加入引用管理器
	E-mail Alert
	RSS
	作者相关文章

关键词 ：采矿工程, 煤矿巷道, 沿空留巷, 深部矿井, 数值模拟, 井下试验, 支护原则

Abstract：Deformation characteristics of surrounding rock and stress distribution of deep gob-side entry retaining，which was located in the first coal mine of Xiejiaji，the Huainan coal mining area，were analyzed by means of numerical simulation. The underground test for the deep gob-side entry retaining was introduced in detail，including the designs for primary supporting in the entry，additional enhanced supporting，and supporting beside the entry，and the monitoring data during various stages from driving，retaining to reusing. The supporting effects were evaluated through the analysis of the data of surrounding rock and backfilling body displacements and the loads along bolts and cables. The underground practice points out that the severe surrounding rock deformation in the deep gob-side entry retaining can be effectively controlled；and its stability can be kept by means of the synthetic supporting system，which consists of the high pretension and intensive bolts and cables as the primary supporting in the entry，individual props with articulated roof beam as the enhanced supporting，and paste backfilling as supporting beside the entry. On the basis of the research achievements obtained from numerical simulation and field test，the relationship between the primary supporting in the entry，additional enhanced supporting and supporting beside the entry were discussed；the great differences between deep and shallow entries on the breaking position of main roof，its rotation，and long-term creep of surrounding rock were indicated；and the supporting design criteria for the deep gob-side entry retaining were put forward. The improvement suggestions were also made in accordance with the existing problems in underground test.

Key words： mining engineering coal mine roadway gob-side entry retaining deep mine numerical simulation underground test supporting criteria

收稿日期: 2010-05-12

引用本文:

康红普1，牛多龙2，张镇1，林健1，李志红2，范明建1. 深部沿空留巷围岩变形特征与支护技术[J]. 岩石力学与工程学报, 2010, 29(10): 1977-1987.
(1. Coal Mining and Design Branch，China Coal Research Institute，Beijing 100013，China；2. First Coal Mine of Xiejiaji，Huainan Mining Industry Group Co.，Ltd.，Huainan，Anhui 232001，China). DEFORMATION CHARACTERISTICS OF SURROUNDING ROCK AND SUPPORTING TECHNOLOGY OF GOB-SIDE ENTRY RETAINING IN DEEP COAL MINE. , 2010, 29(10): 1977-1987.

链接本文:

http://www.rockmech.org/CN/Y2010/V29/I10/1977

[3]	孙恒虎，赵炳利. 沿空留巷的理论与实践[M]. 北京：煤炭工业出版社，1993.(SUN Henghu，ZHAO Bingli. The theory and practice of gob-side entry retaining[M]. Beijing：China Coal Industry Publishing House，1993.(in Chinese)) " target="_blank">
[4]	华心祝. 我国沿空留巷支护技术发展现状及改进建议[J]. 煤炭科学技术，2006，34(12)：78-81.(HUA Xinzhu. Development status and improved proposals on gob-side entry retaining support technology in China[J]. Coal Science and Technology，2006，34(12)：78-81.(in Chinese)) " target="_blank">
[7]	涂敏. 沿空留巷顶板运动与巷旁支护阻力研究[J]. 辽宁工程技术大学学报(自然科学版)，1999，18(4)：347-351.(TU Min. Study on roof movement and roadway-side supporting resistance of remained roadway[J]. Journal of Liaoning Technical University(Natural Science)，1999，18(4)：347-351.(in Chinese)) " target="_blank">
[8]	张东升，缪协兴，茅献彪. 综放沿空留巷顶板活动规律的模拟分析[J]. 中国矿业大学学报，2001，30(3)：261-264.(ZHANG Dongsheng，MIAO Xiexing，MAO Xianbiao. Simulation on roof activities of gob-side entry retaining in fully-mechanized top-coal caving face[J]. Journal of China University of Mining and Technology，2001，30(3)：261-264.(in Chinese)) " target="_blank">
[12]	颜志平，漆泰岳，张连信，等. ZKD 高水速凝材料及其泵送充填技术的研究[J]. 煤炭学报，1997，22(3)：270-275.(YAN Zhiping，QI Taiyue，ZHANG Lianxin，et al. Study of ZKD quick-setting materials with high water content and technique of pump packing[J]. Journal of China Coal Society，1997，22(3)：270-275.(in Chinese)) " target="_blank">
[17]	康红普，王金华，林健. 高预应力强力支护系统及其在深部巷道中的应用[J]. 煤炭学报，2007，32(12)：1 233-1 238.(KANG Hongpu，WANG Jinhua，LIN Jian. High prestress and intensive bolting system and its application in deep roadways[J]. Journal of China Coal Society，2007，32(12)：1 233-1 238.(in Chinese)) " target="_blank">
[2]	袁亮. 低透气煤层群首采关键层卸压开采采空侧瓦斯分布特征与抽采技术[J]. 煤炭学报，2008，33(12)：1 362-1 367.(YUAN Liang. Gas distribution of the mined-out side and extraction technology of first mined key seam relief-mining in gassy multi-seams of low permeability[J]. Journal of China Coal Society，2008，33(12)：1 362-1 367.(in Chinese)) " target="_blank">
[6]	漆泰岳，郭育光，侯朝炯. 沿空留巷整体浇注护巷带适应性研究[J]. 煤炭学报，1999，24(3)：256-260.(QI Taiyue，GUO Yuguang，HOU Chaojiong. Study on the adaptability for the pack-fillings of the gob-side entry retaining[J]. Journal of China Coal Society，1999，24(3)：256-260.(in Chinese)) " target="_blank">
[19]	康红普，朱泽虎，王兴库，等. 综采工作面过上山原位留巷技术研究[J]. 煤炭学报，2002，27(5)：458-461.(KANG Hongpu，ZHU Zehu，WANG Xingku，et al. Study of retaining roadway on original site in goaf after coal mining face crossing rise[J]. Journal of China Coal Society，2002，27(5)：458-461.(in Chinese)) " target="_blank">
[10]	谢文兵. 综放沿空留巷围岩稳定性影响分析[J]. 岩石力学与工程学报，2004，23(18)：3 059-3 065.(XIE Wenbing. Influence factors on stability of surrounding rocks of gob-side entry retaining in top-coal caving mining face[J]. Chinese Journal of Rock Mechanics and Engineering，2004，23(18)：3 059-3 065.(in Chinese)) " target="_blank">
[14]	华心祝，马俊枫，许庭教. 锚杆支护巷道巷旁锚索加强支护沿空留巷围岩控制机制研究应用[J]. 岩石力学与工程学报，2005，24(12)：2 107-2 112.(HUA Xinzhu，MA Junfeng，XU Tingjiao. Study on controlling mechanism of surrounding rock of gob-side entry with combination of roadside reinforced cable supporting and roadway bolt supporting and its application[J]. Chinese Journal of Rock Mechanics and Engineering，2005，24(12)：2 107-2 112.(in Chinese)) " target="_blank">
[15]	杨万斌，蔡美峰，董传彤. 锚索支护沿空留巷技术研究[J]. 煤炭科学技术，2006，34(9)：65-67.(YANG Wanbin，CAI Meifeng，DONG Chuantong. Research on technology of gateway retained for next sublevel with anchor support[J]. Coal Science and Technology，2006，34(9)：65-67.(in Chinese)) " target="_blank">
[1]	袁亮. 低透气性煤层群无煤柱煤气共采理论与实践[J]. 中国工程科学，2009，11(5)：72-80.(YUAN Liang. Theory and practice of integrated pillarless coal production and methane extraction in multiseams of low permeability[J]. Engineering Science，2009，11(5)：72-80.(in Chinese)) " target="_blank">
[5]	李化敏. 沿空留巷顶板岩层控制设计[J]. 岩石力学与工程学报，2000，19(5)：651-654.(LI Huamin. Control design of roof rocks for gob-side entry[J]. Chinese Journal of Rock Mechanics and Engineering，2000，19(5)：651-654.(in Chinese))
[9]	张东升，茅献彪，马文顶. 综放沿空留巷围岩变形特征的试验研究[J]. 岩石力学与工程学报，2002，21(3)：331-334.(ZHANG Dongsheng，MAO Xianbiao，MA Wending. Testing study on deformation features of surrounding rocks of gob-side entry retaining in fully-mechanized coal face with top-coal caving[J]. Chinese Journal of Rock Mechanics and Engineering，2002，21(3)：331-334.(in Chinese))
[18]	康红普，王金华，林健. 煤矿巷道锚杆支护应用实例分析[J]. 岩石力学与工程学报，2010，29(4)：649-664.(KANG Hongpu，WANG Jinhua，LIN Jian. Case studies of rock bolting in coal mine roadways[J]. Chinese Journal of Rock Mechanics and Engineering，2010，29(4)：649-664.(in Chinese))
[11]	黄艳利，张吉雄，巨峰. 巷旁充填沿空留巷技术及矿压显现规律[J]. 西安科技大学学报，2009，29(5)：515-520.(HUANG Yanli，ZHANG Jixiong，JU Feng. Technology of roadside packing in gob-side entry retaining and law of rock pressure[J]. Journal of Xi¢an University of Science and Technology，2009，29(5)：515-520.(in Chinese)) " target="_blank">
[13]	柏建彪，周华强，侯朝炯，等. 沿空留巷巷旁支护技术的发展[J].中国矿业大学学报，2004，33(2)：183-186.(BAI Jianbiao，ZHOU Huaqiang，HOU Chaojiong，et al. Development of support technology beside roadway in goaf-side entry retaining for next sublevel[J]. Journal of China University of Mining and Technology，2004，33(2)：183-186.(in Chinese)) " target="_blank">
[16]	权景伟，柏建彪，种道雪，等. 沿空留巷锚杆支护技术研究及应用[J]. 煤炭科学技术，2006，34(12)：60-61，68.(QUAN Jingwei，BAI Jianbiao，CHONG Daoxue，et al. Research and application of bolt support technology for gob-side entry retaining[J]. Coal Science and Technology，2006，34(12)：60-61，68.(in Chinese)) " target="_blank">