基于板壳和断裂力学理论的上覆采空区积水危险性判定技术

题正义, 张峰, 秦洪岩, 朱志洁

题正义, 张峰, 秦洪岩, 朱志洁. 基于板壳和断裂力学理论的上覆采空区积水危险性判定技术[J]. 煤田地质与勘探, 2019, 47(1): 138-143. DOI: 10.3969/j.issn.1001-1986.2019.01.021
引用本文: 题正义, 张峰, 秦洪岩, 朱志洁. 基于板壳和断裂力学理论的上覆采空区积水危险性判定技术[J]. 煤田地质与勘探, 2019, 47(1): 138-143. DOI: 10.3969/j.issn.1001-1986.2019.01.021
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TI Zhengyi, ZHANG Feng, QIN Hongyan, ZHU Zhijie. Risk judgment technology of water accumulation in overlying goaf based on plate shell and fracture mechanics theory[J]. COAL GEOLOGY & EXPLORATION, 2019, 47(1): 138-143. DOI: 10.3969/j.issn.1001-1986.2019.01.021
Citation: TI Zhengyi, ZHANG Feng, QIN Hongyan, ZHU Zhijie. Risk judgment technology of water accumulation in overlying goaf based on plate shell and fracture mechanics theory[J]. COAL GEOLOGY & EXPLORATION, 2019, 47(1): 138-143. DOI: 10.3969/j.issn.1001-1986.2019.01.021
shu

 

基于板壳和断裂力学理论的上覆采空区积水危险性判定技术

  • 1. 辽宁工程技术大学矿业学院，辽宁 阜新 123000;

  • 2. 华北科技学院安全工程学院，北京 101601

基金项目: 

国家自然科学基金项目（51704148）

详细信息
    作者简介:

    题正义,1957年生,男,吉林舒兰人,教授,博士生导师,从事特殊条件下开采相关研究工作 E-mail:tizy1957@163com

  • 中图分类号: TD12;P64

Risk judgment technology of water accumulation in overlying goaf based on plate shell and fracture mechanics theory

  • 1. School of Mining, Liaoning Technical University, Fuxin 123000, China;

  • 2. Safety Engineering Institute, North China Institute of Science and Technology, Beijing 101601, China

Funds: 

National Natural Science Foundation of China(51704148)

摘要

    摘要
  • 摘要: 为避免山西临汾胜利煤矿10号煤层采动过程中受上覆6号煤层采空区透水的威胁，利用板壳理论、断裂力学理论分别建立导水裂隙带高度和底板破裂深度的力学模型，计算10号煤层Ⅰ—Ⅵ区开采过程中导水裂隙带高度分别为46.77 m、48.86 m、56.05 m、56.14 m、56.33 m和55.20 m，6号煤层Ⅰ—Ⅳ区的破裂带影响深度分别为1.57 m、1.14 m、1.85 m和1.26 m。通过构建上覆煤层采空区积水危险性类型的划分准则，对10号煤层采动过程中受到上覆6号煤层采空区积水的危险性进行判定分析，结果表明：6号煤层Ⅰ—Ⅳ区对10号煤层的积水危险性类型均为突水型，会对10号煤开采过程产生安全威胁；6号煤层的不可采区域对10号煤层Ⅴ区和Ⅵ区的影响类型为原岩渗透型，对10号煤层Ⅴ区和Ⅵ区的回采不会构成危险性。
    Abstract: In order to avoid the threat of water penetration from the goaf of overlying seam No.6 during mining seam No.10 in Shengli coal mine of Linfen, Shanxi, plate-shells theory and fracture mechanics theory were used to establish the mechanics model of the development height of water-conducting fissure zone and the rupture depth of the floor. The water conducting fissure zone developmental height in districts I-VI of coal seam 10 is 46.77 m, 48.86 m, 56.05 m, 56.14 m, 56.33 m and 55.20 m, and the rupture zone depth of the floor in districts I-IV areas of coal seam 6 is 1.57 m, 1.14 m, 1.85 m and 1.26 m. By structuring criteria for water accumulation risk classification of overlying goaf and to determine the risk of accumulated water in the goaf of coal seam 6 during the mining process of coal seam10, the determination result shows that the water accumulation risk in districts I-IV areas of coal seam 6 is of the type of water inrush for seam 10, and would threaten the mining of coal seam10. The influence of the unminable area of seam 6 on the districts V-VI of seam 10 is of permeability of primary rock, and wouldn't threaten the coal extraction in the districts V-VI of coal seam 10.
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出版历程
  • 收稿日期:  2018-03-29
  • 发布日期:  2019-02-24

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