Results 31 to 40 of about 118,213,683 (284)

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

In Situ Stress Inversion and Distribution Characteristics of Tunnel Based on Numerical Simulation and Neural Network Technology

Shock and Vibration, 2021
According to the geological conditions of the study area, the measured data of in situ stress was analyzed and the influence degree of buried depth was obtained. A numerical simulation research model with full consideration of fault structure and surface
Pei Zhang
semanticscholar   +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

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

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

Inversion Method of In-situ Stress and Rock Damage Characteristics in Dam Site Using Neural Network and Numerical Simulation—A Case Study

IEEE Access, 2020
In mountain and ravine region of southwest China, several hydropower stations have been built in this area. It is the main national base for hydropower energy development, but under the influence of geological structure and surface erosion, the in-situ ...
Gan Li, Yu Hu, Qing-Bin Li, Tao Yin, Jian-Xin Miao, Mengdi Yao   +5 more
doaj   +1 more source

Prediction and analysis on large deformation of surrounding rocks in the Muzhailing Tunnel of the Weiyuan–Wudu Expressway under high in-situ stress

Dizhi lixue xuebao, 2023
This study aims to solve the significant deformation issue in the soft surrounding rocks under high in-situ stress encountered during the construction of the Muzhailing Tunnel on the Weiyuan–Wudu Expressway.
FAN Yulu, CAO Jiawen, YU Shun, FENG Chengjun, ZHANG Peng, MENG Jing, QI Bangshen, WANG Huiqing   +7 more
doaj   +1 more source

Stress Inversion code

, 2022
This stress inversion code was applied in our research to obatin the underground stress inferred from earthquake. 
Sheppard Dong (12674389)
core   +1 more source

Mechanism for seismic supershear dynamic rupture based on in-situ stress: a case study of the Palu earthquake in 2018

Geomatics, Natural Hazards & Risk, 2022
The Palu earthquake, with a magnitude of 7.5, severely devastated the region in Central Sulawesi, Indonesia, but the mechanism of dynamic rupture considering in-situ conditions is not well understood.
Kanghua Zhang, Yishuo Zhou, Yimin Liu, Pu Wang   +3 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