摘要
地应力是岩爆发生的主要因素,地应力测量已经成为深长隧道地质勘察的重要内容。文章首先介绍了某超长铁路隧道两个钻孔的地应力测量结果,并从地质条件出发分析了代表整个隧道的地应力趋势。其次,运用三种基于强度理论的判别法,预测了隧道沿线岩爆发生的可能性。
Geostress is the main factor of rockburst, its measurement is the important task of the geologic survey in the deep and long tunnel. The results of geostress measurement within two vertical boreholes of an extra - long railway tunnel are presented in this paper, and the distribution trend representing the whole tunnel is analyzed from the geological conditions. Then the probabilities of rockburst along the line of tunnel are predicted by three criterions on basis of strength theory.
出处
《地下空间与工程学报》
CSCD
北大核心
2009年第3期573-576,620,共5页
Chinese Journal of Underground Space and Engineering
基金
国家自然科学基金委员会、二滩水电开发有限责任公司雅砻江水电开发联合研究基金重点项目(50639090)
关键词
隧道
地应力
测量
岩爆预测
tunnel
geostress
measurement
rockburst prediction
