空心包体应变计地应力计算方法的探讨

doi:10.13722/j.cnki.jrme.2016.1274

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Abstract

In order to improve in-situ stress calculation method applied in hollow inclusion measurement，the normal equations are built by least square method to obtain the mathematical expressions of in-situ stress components. Based on the Shengjin′s formulas to have characteristic equation of the stress state，the discriminant for estimating the stress state and calculation method of principal stress are obtained. According to geometric relations among the direction cosine of the principal stress，a method of determining octants of principal stress is given and the calculation formulas of azimuth and dip are deduced. With LabVIEW，a program of in-situ stress calculation is programmed to study the stress state of Xincheng gold mine. The results reveal that the in-situ stress is dominated by horizontal tectonic stress field and the maximum horizontal principal stress is oriented in SE-NW direction to nearly E-W direction.

Key words： rock mechanics hollow inclusion strain cell in-situ stress calculation least square method the Shengjins formulas

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	Articles by authors
	YAN Zhenxiong1
	2
	WANG Peitao1
	2

Cite this article:

YAN Zhenxiong1,2,WANG Peitao1, et al. Insight into in-situ stress calculation applied in hollow inclusion measurement[J]. , 2018, 37(S1): 3568-3574.

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https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2016.1274 OR https://rockmech.whrsm.ac.cn/EN/Y2018/V37/IS1/3568

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