Results 21 to 30 of about 114,375,636 (265)

Research into using a fiber Bragg grating sensor group for three-dimensional in situ stress measurement [PDF]

Geoscientific Instrumentation, Methods and Data Systems, 2022
The observation and estimation of the deep crustal stress state is a key and difficult problem for in situ stress measurement. Using a borehole wall strain gauge based on the overcoring stress-relieving method is one of the main methods of in situ stress
Y. Liu, Y. Liu, Y. Liu, Z. Hou, H. Zhou, G. Gao, L. Yang, L. Yang, P. Wang, P. Wang, P. Wang   +10 more
doaj   +1 more source

3D In Situ Stress Estimation by Inverse Analysis of Tectonic Strains [PDF]

Applied Sciences, 2021
The determination of a 3D engineering-scale in situ stress field is essential in underground rock mechanics and engineering. The inverse analysis method is a useful technique to determine the in situ stress around the zone of interest. This paper presents a new approach with tectonic strains based on traditional stress-based or displacement-based ...
Guo, Mingwei, Yin, Shunde, Li, Chunguang, Wang, Shuilin   +3 more
openaire   +2 more sources

In-situ stress measurement and inversion analysis of the deep shaft project area in Sanshan Island based on hydraulic fracturing method

Dizhi lixue xuebao, 2023
The proposed 2000-meter-deep auxiliary shaft at the Xiling mine, Sanshan Island, Shandong Province, is an ultra-deep shaft construction project. Revealing the characteristics of the in-situ stress field in the shaft construction area is one of the ...
ZHU Mingde, WANG Zhaoya, ZHANG Yuezheng, LI Wenguang, HOU Kuikui, JI Hongguang, YIN Yantian, FU Zhen, HAO Yingjie   +8 more
doaj   +1 more source

Inversion of the fine in-situ stress field for deep-buried tunnel: A case study on the Jiangranshan tunnel of the Shuangjiang-Cangyuan express way in southwest Yunnan

Carsologica Sinica, 2023
Under complex geological conditions of fault system, stratum and terrain, an accurate inversion of the in-situ stress field is a challenging and hot issue in the study on engineering geology.
Hongming LI, Weifeng SUN, Hongri ZHANG, Xianghui QIN, Jian FENG, Jianhai WEI, Sulian LAN, Chongyuan ZHANG, Dongsheng SUN   +8 more
doaj   +1 more source

An optimized modeling for in-situ stresses based on Rhino accurate modeling and large-scale transverse isotropic theory

Scientific Reports, 2023
In-situ stresses are significantly important for underground mining geotechnical design and coal seam gas management in underground coal mines. Aiming at regions with geological structures, this paper proposes an in-situ stress inversion method combining
Weihua Song, Huice Jiao, Xiaotian Xu, Ping He   +3 more
doaj   +1 more source

Estimation of in-situ stress field surrounding the Namcha Barwa region and discussion on the tectonic stability

Dizhi lixue xuebao, 2022
The Namjag Barwa syntaxis is in the eastern Himalayan syntaxis area with the most intensive neotectonic activity. There are many late Quaternary active fault belts and strong seismicities.
FENG Chengjun, LI Bin, LI Hui, ZHOU Minghui, ZHANG Peng, ZHU Siyu, REN Yazhe, QI Bangshen, WANG Miaomiao, TAN Chengxuan, CHEN Qunce   +10 more
doaj   +1 more source

Uncertainty quantification of in situ horizontal stress with pressuremeter using a statistical inverse analysis method [PDF]

Canadian Geotechnical Journal, 2022
Knowledge of in situ stress magnitude and orientation plays a very important role in geological/geotechnical engineering and in the development of energy resources, such as caprock integrity, waste fluid disposal, geological storage of CO2, and geothermal energy extraction. The uncertainty of estimated parameters, especially horizontal stress, from in
Zheng, Dongming, Zhang, Bo, Chalaturnyk, Rick   +2 more
openaire   +1 more source

Influence of high in-situ stress areas in the coal seam roofs on microseism-based tomographic inversion

, 2023
High in-situ stress areas in the coal seam roofs are prone to induce mine dynamic hazard such as rock bursts. To meet the demand for safe coal mining, this study achieved real-time monitoring and swift early warning of high in situ stress areas ...
Kaihang, LIU, Lei, FENG, Yunxing, CAO, Meihou, YUN, Lin, TIAN   +4 more
core   +1 more source

Understanding the Distribution Laws of In Situ Stress in Mines Based on Global Positioning System Data and Numerical Simulation Analysis

Geofluids, 2023
To ensure safe exploitation of the Muduchaideng Mine, we use a numerical simulation to invert the in situ stress field based on observation data from GPS stations, investigate differences in movement velocities at different locations, and analyze the ...
Wentao Liu, Zhongyou Zheng, Lei Zhu, Kai Xu, Chengyong Liu, Yuyi Wu, Shunzhen Hu   +6 more
doaj   +1 more source

Present-day stress orientations and tectonic provinces of the NW Borneo collisional margin [PDF]

, 2010
Extent: 15p.Borehole failure observed on image and dipmeter logs from 55 petroleum wells across the NW Borneo collisional margin were used to determine maximum horizontal stress (σH) orientations; combined with seismic and outcrop data, they define seven
Richard R. Hillis, Rosalind C. King, Mark R. P. Tingay, Christopher K. Morley, Hillis, R., James Clark, Tingay, Mark, Tingay, M., King, R., Clark, J., Morley, C.   +10 more
core   +1 more source