3D IN-SITU CRUSTAL STRESS MEASUREMENT AND ITS APPLICATION TO UNDERGROUND WATER-SEALED OIL STORAGE CAVE ENGINEERING

GUO Shu-tai; CUI Shao-dong; WANG Cheng-hu; MENG Jing; TAN Cheng-xuan

2016 Vol. 22, No. 1

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GUO Shu-tai, CUI Shao-dong, WANG Cheng-hu, MENG Jing, TAN Cheng-xuan. 3D IN-SITU CRUSTAL STRESS MEASUREMENT AND ITS APPLICATION TO UNDERGROUND WATER-SEALED OIL STORAGE CAVE ENGINEERING[J]. Journal of Geomechanics, 2016, 22(1): 114-124.

Citation:

3D IN-SITU CRUSTAL STRESS MEASUREMENT AND ITS APPLICATION TO UNDERGROUND WATER-SEALED OIL STORAGE CAVE ENGINEERING

1.
China Petroleum Pipeline Engineering Corporation, Langfang 065000
2.
Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085
3.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081

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Corresponding author: TAN Cheng-xuan, tanchengxuan@tom.com

Received Date: 29 October 2015

Publish Date: 25 March 2016

Abstract

Abstract

Underground water-sealed oil storage cave is a complex underground project. 3D in-situ crustal stress measurement in the constructing process, which can be used to test and re-check for the design scheme of cave excavation and support, is advantageous to the design optimization and the construction. In-situ crustal stress measurements by hydrofracturing method in drilling boreholes along a three dimensional Cartesian coordinate system are conducted, and then the reliable 3D crustal stress magnitudes and directions are calculated from those measuring results. This 3D results examined the in-situ measurements at surveying stage used for designing, and verified the rationality of the design and construction scheme. In addition, the stability of surrounding rock of underground water-sealed oil storage cave was further assessed using the 3D results.
- Underground water-sealed oil storage cave /
- 3D in-situ crustal stress measurement /
- stability of surrounding rock of cave

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References

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