Results 1 to 10 of about 118,397,027 (305)
APPLICATION OF THE KAISER EFFECT IN IN-SITU STRESS MEASUREMENT IN ROCKS - AN OVERVIEW
Rudarsko-geološko-naftni Zbornik, 2022 Knowledge of in-situ rock stress is one of the significant issues in many engineering problems. There are various methods for determining in-situ stress. Most of the common methods used for the determination of in-situ stress are time and cost consuming,
Mohammadmahdi Dinmohammadpour +3 more
doaj +1 more source
Brittleness Evaluation in Shale Gas Reservoirs and Its Influence on Fracability
Energies, 2020 The brittleness index (BI) is a key parameter used to identify the desirable fracturing intervals of shale gas reservoirs. Its correlation with fracability is still controversial. There have been a variety of methods proposed that can estimate BI.
Yapei Ye, Shuheng Tang, Zhaodong Xi
doaj +1 more source
Relationship between plastic zone of roadway and coal and gas outburst hole
Meikuang Anquan, 2022 The outburst hole is of great significance to study the mechanism of coal and gas outburst. Through numerical simulation, the plastic zone of coal body at the excavation head of outburst roadway is obtained and compared with the actual outburst holes ...
HAN Sen, WANG Weijun, PENG Gang
doaj +1 more source
Research on variation law of secondary stress on working face of Guotun Coal Mine
Gong-kuang zidonghua, 2017 For deformation and failure situation of roadway on 1304 working face of Guotun Coal Mine, the secondary stress of the working face was measured. Three monitoring drills were constructed at one point of the roadway on 1304 working face, and four HI ...
JIANG Zilong, CHEN Wenlong, LIU Youjian
doaj +1 more source
Heterogeneity of in situ stress: A Review [PDF]
IOP Conference Series: Earth and Environmental Science, 2021 Abstract Campaigns to determine the state of in situ stress form an integral part of almost all underground rock engineering projects, but stress measurements obtained at different locations on a project site generally display spatial variability.
M A Javaid, J P Harrison
openaire +1 more source
In-situ Stress Analysis and Rockburst Risk Assessment of Liupanshan Tunnel of Bailong River Water Diversion Project [PDF]
长江科学院院报[Objective] Taking the deeply buried Liupanshan tunnel of the Bailong River Diversion Project as the research background, this study aims to systematically investigate the distribution characteristics of the in-situ stress field along the tunnel ...
DONG Zhi-hong, JIANG Jian, ZHANG Xin-hui, ZHOU Chao, ZUO Qing-jun
doaj +1 more source
In-situ stress response characteristics of CO2 storage capacity in coal seam
Meikuang Anquan, 2021 Accurate estimation of CO2 adsorption capacity in coal seam is a great significance to CO2 storage technology, especially the influence of coal seam depth on CO2 adsorption capacity.
ZHAO Zhongling
doaj +1 more source
Frontiers in Earth ScienceIntroductionThe Loess Plateau has long been plagued by cascading loess landslides. The rapid identification of these landslides, along with the accurate determination of their failure modes, is essential for conducting precise disaster assessments in the
Ran Li +8 more
doaj +1 more source
New Pump-In Flowback Model Verification with In-Situ Strain Measurements and Numerical Simulation
Energies, 2023 This study presents an analytical model for estimating minimum horizontal stress in hydraulic fracturing stimulations. The conventional Diagnostic Fracture Injection Test (DFIT) is not practical in ultra-tight formations, leading to the need for pump-in ...
Ibrahim Eltaleb, Mohamed Y. Soliman
doaj +1 more source
Frontiers in Earth ScienceIntroductionThis work employs a coupled evaluation model that integrates deterministic coefficients with the Analytic Hierarchy Process to conduct a comprehensive assessment of geological disaster susceptibility in Shenzhen Town, Ninghai County ...
Shuai Han +6 more
doaj +1 more source