我国大陆实测深部地应力分布规律研究

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摘要深埋地下工程往往面临着高地应力的环境，在研究“深部”及“深部工程”概念的基础上，通过搜集我国大陆地区600多组深部岩体地应力实测资料，绘制出我国大陆地区埋深大于500 m的实测垂直主应力、最大水平主应力、最小水平主应力以及侧压力系数随埋深分布图，参照Hoek-Brown方法对深部岩体地应力特征进行初步分析，回归分析深部岩体垂直应力与埋深的关系、最大和最小水平主应力随埋深的分布规律以及侧压力系数随埋深的分布规律；采用分段函数的形式拟合侧压力系数分布图的包络线。

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	李新平1
	汪斌2
	周桂龙3

关键词 ：岩石力学, 地应力, 散点图, 侧压力系数

Abstract：Deeply buried underground engineering often faced with a high geostress environment. Based on the research of the conception of “deep stratum” and “deep engineering”，through collecting about 600 groups of the measured geostress data in deep rocks of China mainland，the distribution of the vertical stress，the largest horizontal principal stress，the minimum horizontal principal stress and the lateral pressure coefficient varying with depth in Chinese mainland are shown in this paper. The features of the geostress in deep rocks are elementarily analysed refer to the analysis method of Hoek and Brown，the distribution rule of the vertical stress，the maximum and the minimum horizontal principal stresses with depth in deep stratum are regressive analysed，and trend of the lateral pressure coefficient with depth is also discussed.

Key words： rock mechanics geostress dispersed point chart lateral pressure coefficient

引用本文:

李新平1，汪斌2，周桂龙3. 我国大陆实测深部地应力分布规律研究[J]. 岩石力学与工程学报, 2012, 31(S1): 2875-2880.
LI Xinping1，WANG Bin2，ZHOU Guilong3. RESEARCH ON DISTRIBUTION RULE OF GEOSTRESS IN DEEP STRATUM IN CHINESE MAINLAND. , 2012, 31(S1): 2875-2880.

链接本文:

https://rockmech.whrsm.ac.cn/CN/Y2012/V31/IS1/2875

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