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1、2022年-2023年建筑工程管理行业文档 齐鲁斌创作分类号 密级太原理工大学硕 士 学 位 论 文题 目大采高采场覆岩活动规律及支护阻力研究英文并列题目Large mining height of overlying strata movement regularities and support resistance research研究生姓名： 张良库 专 业： 采矿工程 研究方向： 矿山压力及其控制 导师姓名： 弓培林 导师职称： 教 授 论文提交日期 2012/5 学位授予单位：太原理工大学地 址： 山西太原、大采高采场覆岩活动规律及支护阻力研究摘 要 从我国能源状况上看，我国石油和
2、天然气储量不富裕，但拥有丰富的煤炭资源。我国在相当长一段时间内以煤炭为主要能源的能源结构不会发生变化。在我国探明的煤炭储量中厚煤层的储量占有三分之一的比例。在厚煤层的开采中大采高综采技术的优势越来越明显，但同样制约大采高综采技术的发展的因素也很多。本文以神东矿区大采高工作面的现场资料为依据，研究大采高综采工作面长度以及采高不断增加的开采条件下，工作面不断推进过程中上覆岩层的变形移动破坏规律及支架工作阻力的变化规律。所做的主要工作如下：（1）通过对神东矿区大采高现场资料在工作面长度分别为120.1m、281.4m和343.8m及工作面4.8m、5.8m采高情况下的矿压观测，进行分析比较得到大采高
3、综采随着工作面长度的增加及不同采高围岩变形运动的规律，来指导相似采场的生产实践。（2）利用现场搜集的煤层赋存数据及力学特性，采用计算机数值模拟的手段研究不同工作面长度及采高的大采高综采上覆岩层变形破断等矿压规律，结合现场观测的数据总结发生的变化规律。（3）通过关键层理论，从理论上判定关键层的空间位置，从而进一步掌握大采高综采煤层顶板岩层的移动、破坏规律，并分析其形成的结构。（4）通过对同类采场现场矿压资料、计算机数值模拟及理论分析，建立大采高综采采场的力学模型，形成大采高综采支架围岩作用关系，得到大采高综采技术下不同工作面长度及采高的支架工作阻力的变化及确定。为大采高综采同类采场的工作面回采提
4、供科学依据。关键词：大采高综采技术，工作阻力，关键层，数值模拟，支架围岩VSTUDY ON THE LARGE MINGING HIGHT OF OVERLYING STRATA MOVEMENT REGULARITIES AND SUPPORT RESISTANCE RESEARCHABSTRACTFrom the situation of our country energy point of view, Chinas petroleum and natural gas reserves is rich, but rich in coal resources. Our country is
5、 in a fairly long period of time using coal as main energy structure will not change. In our proven coal reserves in thick coal reserves occupy 1/3 of the proportion. In the thick coal seam mining in large mining height fully mechanized coal mining technology is becoming more and more obvious, but a
6、lso restricts the large mining height fully mechanized coal mining technology development by a lot of factors. In this paper, in order to Shendong mining area with large mining height face field data as the basis, study of large mining height fully mechanized coal mining face length and mining heigh
7、t increased under the condition of mining working face, continuously push forward the process of overlying strata movement and deformation failure regularity of the variation of support working resistance. The main works are as follows:( 1) through to Shendong mining area with large mining height fi
8、eld data in the working face length respectively, 120.1m, 281.4m and 343.8m and 4.8m, 5.8m mining height working face under the condition of the mineral pressure observation, analysis and comparison are large mining height fully mechanized coal mining working face with increased length and different
9、 mining height and the deformation of the surrounding rock movement of the law, to guide similar stope production practice.(2 ) using the collected data and mechanical characteristics of coal seam, using computer numerical simulation study on the means of different length of working face and mining
10、height full-mechanized mining full height of overlying strata deformation break and the law of mine pressure, combined with observation data summary change rule.( 3) through the key layer theory, from theoretic decision key layer spatial location, so as to further grasp the large mining height fully
11、 mechanized coal mining in seam roof movement, failure law, and analyzes its forming structure.( 4) through to the same stope in-situ data, numerical simulation and the theoretical analysis, establishment of fully-mechanized coal face with large mining height mechanical model, formation of large min
12、ing height fully-mechanized support - rock interaction relationship, get the large mining height fully mechanized coal mining technology under different working face length and mining height support working resistance change and determine. For the large mining height fully mechanized coal mining sto
13、pe mining face similar to provide a scientific basis.Key words：large mining height fully mechanized coal mining technology, working resistance, key strata, numerical simulation, support and surrounding rocks目 录第一章绪论11.1课题的提出及研究意义11.1.1课题的背景及提出11.1.2课题研究意义21.2课题国内外研究现状及发展状况21.2.1大采高开采技术的研究现状及发展概况31.2
14、.2国内外矿山压力理论研究现状41.2.3综采工作面支架工作阻力的研究71.3研究内容及技术路线91.3.1研究内容91.3.2技术路线10第二章大采高综采不同采高工作面矿压规律实测结果对比研究112.1 补连塔煤矿12406工作面4.8m采高矿压规律实测研究112.1.1 12406工作面开采技术条件112.1.2 12406工作面矿压实测方法122.1.3 12406工作面矿压实测结果122.2 上湾煤矿51202工作面5.8m采高矿压规律实测研究192.2.1 51202工作面开采技术条件192.2.2 51202工作面矿压实测方法202.2.3 51202工作面矿压实测结果202.3
15、不同采高工作面矿压规律的对比分析31第三章 大采高综采不同工作面长度矿压规律实测结果对比研究333.1 哈拉沟煤矿22401-1工作面矿压规律实测研究（120m）333.1.1 22401-1工作面开采技术条件333.1.2 22401-1工作面矿压实测方法343.1.3 22401-1工作面矿压实测结果353.2 哈拉沟煤矿22401-2工作面矿压规律实测研究（280.4m）373.2.1 22401-2工作面开采技术条件383.2.2 22401-2工作面矿压实测方法383.2.322401-2工作面矿压实测结果393.3 哈拉沟煤矿22404工作面矿压规律实测研究（348.3m）423.3.1 22404工作面开采技术条件423.3.2 22404工作面矿压实测方法433.3.3 22404工作面矿压实测结果433.4 不同工作面长度矿压规律的对比分析46第四章 大采高综采面覆岩垮落规律数值模拟研究4
