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地球科学进展  2004, Vol. 19 Issue (3): 451-456    DOI: 10.11867/j.issn.1001-8166.2004.03.0451
研究论文     
地下厂房洞室群岩爆趋势综合预测方法
张倬元1;宋建波2;李攀峰1
成都理工大学地质灾害防治与地质环境保护国家专业实验室,四川 成都 610059; 贵州工业大学喀斯特重点实验室,贵州 贵阳 550003
ROCK BURST COMPREHENSIVE FORECASTING METHOD FOR THE CHAMBER GROUP OF UNDERGROUND POWER HOUSE
ZHANG Zhuoyuan 1, SONG Jianbo2, LI Panfeng1
1Chengdu University of Technology ,Chengdu  610059,China;2Guizhou University of Technology,Guiyang  550003,China
 全文: PDF 
摘要:

以拉西瓦水电站地下厂房洞室群原设计方案为例,基于其赋存地质条件调研结果和岩爆产生基本条件,对岩爆趋势进行宏观预测;并结合研究区其他高地应力现象,建立了岩爆预测类比判据。进而基于厂房开挖后二次应力场数值计算结果,以所建判据圈定了岩爆可能发生部位及强烈程度。结果表明,将宏观判据与类比判据结合的岩爆综合预测方法,考虑因素全面,也尊重了研究区实际情况,因而合理可行。

关键词: 洞室群岩爆宏观预测类比判据    
Abstract:

Based on the insitu investigation results for the engineering geological conditions where LAXIWA hydropower station is built in and the comprehensive analysis for the basis conditions yielding rock burst, the authors not only macroforecasted the rock burst yielding tendency for the chamber group of underground power house, but also built the analog criterion based on another high geo-stress phenomena (e.g., core discing) with engineering geological analog method. Finally, the possible rock burst position and its intensive grade were judged by the analog criterion after the secondary stress in the surrounding rock of the chamber group was simulated with 3D-σ software .It is shown that, the rock burst comprehensive forecasting method in the paper is essentially the one connecting the macroscopic criterion with analog criterion, can not only reflect the influencing factors of rock burst but also respect the engineering geological environment. Therefore, it is reasonable and feasible and can be applied in other underground engineering.

Key words: Chamber group    Rock burst    Macroscopic criterion    Analog criterion.
收稿日期: 2004-04-10 出版日期: 2004-06-01
:  U456.3+ 3   
通讯作者: 张倬元(1926),男,河北乐亭人,教授,主要从事地质工程研究.   
作者简介: 张倬元(1926),男,河北乐亭人,教授,主要从事地质工程研究.
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引用本文:

张倬元;宋建波;李攀峰. 地下厂房洞室群岩爆趋势综合预测方法[J]. 地球科学进展, 2004, 19(3): 451-456.

ZHANG Zhuoyuan, SONG Jianbo, LI Panfeng. ROCK BURST COMPREHENSIVE FORECASTING METHOD FOR THE CHAMBER GROUP OF UNDERGROUND POWER HOUSE. Advances in Earth Science, 2004, 19(3): 451-456.

链接本文:

http://www.adearth.ac.cn/CN/10.11867/j.issn.1001-8166.2004.03.0451        http://www.adearth.ac.cn/CN/Y2004/V19/I3/451

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