Results 101 to 110 of about 6,761 (302)

Critical expansion points: Mechanical signs of surrounding rock instability

Deep Underground Science and Engineering, EarlyView.
This study proposes the Rock Bearing‐Expansion Model (RockBEM) with critical expansion points (CEPs) to quantify post‐peak damage stages in deep‐buried rock masses via plane strain compression test (PSCT). CEP hysteresis&interval ratios reveal bearing performance dynamics and failure severity, advancing mechanistic insights into deep underground rock ...
Jiaqi Wen, Chang Deng, Haijun Wang, Lei Tang, Jihong Yu   +4 more
wiley   +1 more source

Key geological and engineering technologies and research directions for shale gas exploration and development in western Hubei Province, China

Energy Geoscience
Multiple sets of marine shale sequences occur in western Hubei Province and its adjacent areas within the Middle-Upper Yangtze region, offering substantial resource potential.
Guangyou Zhu, Jineng Jin, Qilin Xiao, Lei Wang, Guanglong Sheng, Jun Tang, Jianghui Meng, Zhiyuan Lu, Can Chen   +8 more
doaj   +1 more source

Exploring wave propagation behaviors in rock: A grain‐based perspective on mineral structures

Deep Underground Science and Engineering, EarlyView.
This study investigates wave propagation in rock at the grain scale using a grain‐based model, revealing that mineral elastic modulus significantly influences wave attenuation while grain size and distribution have limited effects. A novel peak particle velocity attenuation prediction model is proposed and validated for grain‐scale wave propagation ...
Zhiyi Liao, Jiachen Xu, Kai Zhang, Changtai Zhou   +3 more
wiley   +1 more source

Study on Mine Earthquake Prediction Based on Numerical Simulation of Rock Fracture Evolution

Energy Science & Engineering
The deformation and instability of overlying strata is the root cause of roof dynamic disasters. Therefore, it is necessary to study the geomechanical behavior of overlying strata and the evolution law of three‐dimensional fracture morphology for ...
Xiu‐Feng Zhang, Wei Li, A‐Tao Li, Feng Gao, Ning Zhang, Xiang Li, Yang Chen, Chuan‐Cheng Liu, Chao‐Hong Shi, Feng‐Jun Han, Bao‐Qi Wang   +10 more
doaj   +1 more source

Discrimination of Geological Orientation Data with Measurement Errors

Stats
Fracture orientation data in structural geology are commonly affected by non-negligible angular uncertainty, which can significantly impact the reliability of classification and interpretation of deformation patterns. In this work, we address the problem
Marco Di Marzio, Stefania Fensore, Agnese Panzera, Chiara Passamonti   +3 more
doaj   +1 more source

Deterministic fracture network models from the Potiguar basin, Brazil

, 2017
Fracture patterns observed in the Jandaira carbonate formation (Potiguar basin, NE Brazil), digitised using a drone and manual interpretation in DigiFract software.
Bezerra, H. (Hilario), Van der Voet, E. (Eva), Bisdom, K. (Kevin), Reijmer, J. (John), Bertotti, G. (Giovanni), Van Eijk, M. (Mariska)   +5 more
core   +1 more source

An optimizing microseismic method for rock burst early warning based on mining production process

Deep Underground Science and Engineering, EarlyView.
A classification early warning method of rock burst based on hourly microseismic data is proposed, which can be combined with the on‐site production process to provide more timely warning. Abstract Microseismic (MS) events have been reported in nearly every coal mining country, which could well lead to rock burst in underground coal mines.
Zepeng Han, Linming Dou, Wu Cai, Mingbo Chi, Guojun Xi, Shuai Chen, Biao Jiao   +6 more
wiley   +1 more source

Selection of favorable shale lithofacies based on an integrated geology and engineering approach: a case study of Lishu Fault Depression in Songliao Basin

Shiyou shiyan dizhi
The Lishu Fault Depression in the Songliao Basin holds significant potential for shale gas exploration and development. This study took the shale in the Yingcheng Formation of the Lishu Fault Depression as the research subject.
Xuan LIN, Jianfeng ZHU, Haiming PANG, Zhongbo LI, Wei WANG, Shuo LIU, Haibin LI, Zhenxue JIANG, Zhuo LI, Chunyu QIN, Kangbo CHEN   +10 more
doaj   +1 more source

Organic chemical signatures of New Zealand carbonate concretions and calcite fracture fills as potential fluid migration indicators

, 2006
Macroscopic calcite crystals are common in sedimenta¬ry strata, occurring both as tectonic veins and also filling one or more generations of septarian rupture or later brittle fractures in calcareous concretions.
Nelson, Campbell S., Pearson, Michael J.
core  

Semi‐analytical solution for the stability of deep vertical shaft considering time‐dependent rock‐structure interaction

Deep Underground Science and Engineering, EarlyView.
A novel cavity contraction solution and multilayer shaft wall model were developed to analyze deep shaft stability, considering rock viscosity, support structures, and water pressure, with successful validation through a Hulusu Coal Mine case study.
Bin Chen, Pinqiang Mo, Zhao Lu, Lianfei Kuang, Qiang Zhang, Abolfazl Eslami   +5 more
wiley   +1 more source