基于岩体极限平衡理论的煤层底板突水危险性预测

山东大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (1): 86-91.

基于岩体极限平衡理论的煤层底板突水危险性预测

张伟杰1,李术才1,魏久传2,张庆松1

1. 山东大学岩土与工程结构研究中心,山东济南 250061;
2. 山东科技大学山东省沉积成矿作用与沉积矿产重点实验室,山东青岛 266510

收稿日期:2012-08-24 出版日期:2013-02-20 发布日期:2012-08-24
作者简介:张伟杰（1984- ），男，山东菏泽人，博士研究生，主要研究方向为研究方向为地下工程灾害预测预报与治理.E-mail：sduzhangweijie@126.com
基金资助:
国家自然科学基金资助项目( 41272385)；国家自然科学基金青年基金资助项目（31410105131202）

Study on water-inrush prediction of coal floor based on the limit equilibrium theory of rock mass

ZHANG Wei-jie1, LI Shu-cai1, WEI Jiu-chuan2, ZHANG Qing-song1

1.Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, China;
2. Shandong Provincial Key Laboratory of Depositional Mineralization and Sedimentary Minerals,
Shandong University of Science and Technology, Qingdao 266510, China

Received:2012-08-24 Online:2013-02-20 Published:2012-08-24

摘要/Abstract

摘要：

基于岩体极限平衡理论,研究了完整近水平煤层底板突水力学机制。综合考虑底板隔水层厚度、工作面斜长及隔水层岩性组合特征,推导出了底板突水极限水压值计算公式。以保德煤矿为例,将突水极限水压值法运用到保德煤矿13＃煤底板突水危险性预测中。通过与传统突水系数法对比分析,阐明了突水极限水压值法的优越性:突水极限水压值法改进了传统突水系数法,可更有效地进行工作面斜长较大时的底板突水危险性预测。

关键词: 岩体极限平衡理论, 底板突水力学机制, 突水极限水压值, 突水预测

Abstract:

Based on the limit equilibrium theory of rock mass, the mechanical mechanism of water-inrush of seam floor was analyzed. The theoretical formulae of the limit hydraulic pressure of seam floor were deduced through taking the facing length,the thickness and the lithological association of floor rockmass into consideration. The water-inrush risk was predicted according to the geology condition in Baode coal mine. By contrasting and analyzing, the method of limit hydraulic pressure of seam floor could improve the water inrush coefficient method, and could be more effective in predicting the water inrush danger with bigger facing length.

Key words: the limit equilibrium theory of rock mass, the mechanical mechanism of water-inrush of seam floor, the limit hydraulic water-inrush pressure, prediction of water-inrush

中图分类号:

TU457

张伟杰1,李术才1,魏久传2,张庆松1. 基于岩体极限平衡理论的煤层底板突水危险性预测[J]. 山东大学学报(工学版), 2013, 43(1): 86-91.

ZHANG Wei-jie1, LI Shu-cai1, WEI Jiu-chuan2, ZHANG Qing-song1. Study on water-inrush prediction of coal floor based on the limit equilibrium theory of rock mass[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2013, 43(1): 86-91.

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