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Theoretical investigation of electromagnetic-thermal coupling of double-layer cylindrical concrete under microwave irradiation Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-04-13 Wei Wei, Rujia Qiao, Yan Song Jiang, Zhushan Shao
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Experimental study on the effect of loading rate on the strain energy accumulation and release during the weakening process of circular-tunnel Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-04-13 Xun You, Yunmin Wang, Xiangxin Liu, Kui Zhao, Zhengnan Zhang
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Propagation and complex morphology of hydraulic fractures in lamellar shales based on finite-discrete element modeling Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-04-13 Mengyao Wang, Quan Gan, Tao Wang, Yueqiang Ma, Chengzeng Yan, Philip Benson, Xiaoguang Wang, Derek Elsworth
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Effects of the spacing between plasma channels on the fracture behavior of red sandstone under high-voltage pulse discharge Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-04-13 Jianyu Peng, Yuanhang Zhou, Fengpeng Zhang, Jiaqiang Li, Guangliang Yan
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A novel pressure transient analysis model for fracturing wells in fracture–cavity carbonate reservoirs Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-04-09 Jianyi Liu, Zhibin Liu, Congyue Gu, Ning Zou, Hua Yuan, Lu Jiang, Yimin Wen
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Data-driven lithofacies prediction in complex tight sandstone reservoirs: a supervised workflow integrating clustering and classification models Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-04-09 Muhammad Ali, Peimin Zhu, Ren Jiang, Ma Huolin, Umar Ashraf, Hao Zhang, Wakeel Hussain
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A novel method for imitating true-triaxial stress path with conventional triaxial apparatus Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-04-03
Abstract The stress paths of the cylindrical specimen in the p–q stress space by controlling the ratio of the axial and the radial loading is guaranteed to be consistent with the cuboid specimen, a novel method for imitating true-triaxial stress path by conventional triaxial apparatus was presented. Under the condition that p and q were variables and b was constant, the true-triaxial stress paths were
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Geological characteristics and major factors controlling the high yield of tight oil in the Da’anzhai member of the western Gongshanmiao in the central Sichuan basin, China Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-04-01 Cunhui Fan, Shan Nie, Hu Li, Qingchuan Pan, Xiangchao Shi, Sumei Qin, Minzhi Zhang, Zongheng Yang
The Da’anzhai Member limestone in the central Sichuan Basin holds significant importance as a tight oil-producing formation. Despite its crucial role, the intricate patterns of hydrocarbon enrichment and the elusive geological factors dictating high-yield production have impeded tight oil exploration and development in the Sichuan Basin. This study delves into the geological characteristics of tight
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Case study on the secondary support time and optimization of combined support for a roadway under high in-situ stress Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-03-25
Abstract Roadway support can effectively improve the stability of roadway excavation and ensure the safety of underground mining. This study investigates the secondary support time and parameter optimization of combined support for a deep roadway in the stage of resource replacement in the Huize lead–zinc mine in Yunnan Province, China. The aim of this study is to increase the stability and safety
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Assessment of lake-level variations to decipher geological controlling factors and depositional architecture of Lake Fuxian, Yunnan Plateau: preliminary insights from geophysical data Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-03-22 Umar Ashraf, Hucai Zhang, Aqsa Anees, Xiaonan Zhang, Lizeng Duan
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Cyclical hydraulic pressure pulses reduce breakdown pressure and initiate staged fracture growth in PMMA Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-03-22 Julien Mouli-Castillo, Jackie E. Kendrick, Alexander Lightbody, Andrew Fraser-Harris, Katriona Edlmann, Christopher Ian McDermott, Zoe Kai Shipton
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Experimental study of the effect of crack distribution on the failure mechanism of sandstone specimens based on inclination angles and number of parallel flaws Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-03-20 Jiewen Pang, Yongliang He, Qiaoyun Han, Deyang Ba, Xiaoyuan Sun
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A modified model for calculating crack tip opening displacement (CTOD) considering fracture process zone (FPZ) in rock Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-03-20 Yang Qiao, Zong-Xian Zhang, Jun Zhou
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Failure mechanism and treatment of mine landslide with gently-inclined weak interlayer: a case study of Laoyingzui landslide in Emei, Sichuan, China Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-03-19 Jing Li, Bin Hu, Jianlong Sheng, Zhen Zhang
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Mine seismic source location via forward modeling of spherical waves in a multilayered horizontal or inclined medium Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-03-15 Shuai Wang, Zhaoxin Hu, Sha-sha Lu
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Mechanisms and experimental study of directional thermal shock fracture of granite under bidirectional horizontal loading Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-03-15
Abstract The study of the mechanism of thermal shock directional fracture of rocks under bidirectional horizontal stress is important for the application of directional thermal shock fracture technology. With the engineering background of the thick igneous roof overlying the coal seam, we conducted high temperature thermal shock directional fracture tests on granite under different horizontal loads
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Dilation and energy evolution mechanisms of sandstone under true-triaxial mining unloading conditions Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-03-11 Wenpu Li, Ze Wang, Guorui Feng, Huan Zhang, Jiahui Du, Hao Li, Minke Duan
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Combined effect mechanism of linear loading and disturbance with different amplitudes on sandstone Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-03-01
Abstract To comprehend the stress state and response characteristics of materials under complex conditions, researchers have decomposed stress states into fundamental paths and investigated diverse path combinations. To ensure comparability, four identical samples were carefully selected from a pool of 100 samples using ultrasonic tests based on the wave speed and waveform characteristics. These samples
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Ground subsidence monitoring in based on UAV-LiDAR technology: a case study of a mine in the Ordos, China Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-03-01 Shikai An, Liang Yuan, Ying Xu, Xiao Wang, Dawei Zhou
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Key parameters of gob-side entry retaining by roof cutting in close-distance seam group Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-29 Chaowen Hu, Xiaojie Yang, Qian Li, Bing Hu, Yongyuan Li, Qi Jiang, Fulong Sun
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An experimental study of Lode angle impact on the rock failure procession based on acoustic emission Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-26 Hong Yin, Wanchun Zhao, Tingting Wang, P. G. Ranjith, Chundi Feng, Wensong Wang
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Creep behavior of dry and saturated medium-grain sandstone and its relationship with conventional mechanical properties Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-22 Qingheng Gu, Yunliang Tan, Guangming Zhao, Xiangrui Meng, Xiang Cheng
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Pore structure characterization of sandstone under different water invasion cycles using micro-CT Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-22 Weizheng Mao, Yujing Yao, Zhe Qin, Yongde Liu, Jihuan Han, Zhen Liu
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Optimal HDR exploitation siting of gravity heat pipe geothermal systems via reservoir simulation Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-21 Chunwei Zhou, Yaqiong Wang, Gang Liu, Shengming Liao
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Performance prediction of roadheaders used in coal mines from the needle penetration index and the schmidt hammer value Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-20 Masoud Rostami, Sair Kahraman, Behnaz Dibavar, Mustafa Fener
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Quantitative investigation of rock dynamic failure using Voronoi-based discontinuous deformation analysis Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-19 Kaiyu Zhang, Lei Zhang, Feng Liu, Yuchao Yu, Shuai Wang
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Progressive damage and fracture behavior of brittle rock under multi-axial prestress constraint and cyclic impact load coupling Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-17 Jinrui Zhang, Yi Luo, Junhong Huang, Hangli Gong, Jianping Wang
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Modelling method of heterogeneous rock mass and DEM investigation of seepage characteristics Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-16
Abstract The Weibull distribution is used to describe the heterogeneity of rock hydraulics and embedded into the Fish program which is based on the discrete element method. The developed program overcomes the limitation of the Universal Distinct Element Code (UDEC) software regarding the number of parameter groups, which cannot exceed 50. A method for parameter assignment of heterogeneous rocks is
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Effects of local thermal non-equilibrium on hydraulic stimulation efficiency of enhanced geothermal systems Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-16 Zhiqiang Fan, Jiamin Zhao, Dayong Wang, Feng Yue, Ziyan Wu, Ronggang Xue
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Open pit limit optimization considering the pumped storage benefit after mine closure: a case study Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-09 Feiyue Liu, Ke Yang, Tianhong Yang, Wenxue Deng, Hua Li, Lingyue Yang
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Damage and hardening evolution characteristics of sandstone under multilevel creep–fatigue loading Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-08 Zhang Bichuan, Liang Yunpei, Zou Quanle, Ning Yanhao, Kong Fanjie
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Effect of natural fractures on mechanical properties and fracture patterns of shale at microscopic scale: an example from the Lower Cambrian Niutitang formation in Qianbei region Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-08 Zhong-Hu Wu, Chao Yang, Yu-Jun Zuo, Yi-Li Lou, Huai-Lei Song, Heng-Tao Cui, Mo-Tian Tang
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Research on the prediction of mine water inrush disasters based on multi-factor spatial game reconstruction Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-07 Qiushuang Zheng, Changfeng Wang, Zhenhao Zhu
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Geologic causatives of the stratigraphic and structural heterogeneties of Baharyia formation, based on their seismic interpretation, Razzak field, Western Desert, Egypt Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-07 Mostafa M. Metwally, Ahmed S. A. Abu El-Ata
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4D time lapse tomography for monitoring cave propagation and stress distribution in Deep Mill Level Zone (DMLZ) PT Freeport Indonesia Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-04 Wahyu Hidayat, David P. Sahara, Sri Widiyantoro, Suharsono Suharsono, Erwin Riyanto, Mochamad Nukman, Ridho Kresna Wattimena, Sari Melati, Eric Sitorus, Turgod Nainggolan, I. Putu Raditya Ambara Putra
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Rockburst prevention by microwave destressing: a numerical investigation Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-03
Abstract Rockbursts are a complex phenomenon characterized by a violent ejection of rock fragments from the free face of deep underground mines. Due to the sudden, disruptive, and complex nature of these events, accurate predictions of rockbursts are difficult. Therefore, geotechnical intervention is imperative to prevent the occurrence of a rockburst. The scenarios of microwave destressing is introduced
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Discrete element analysis of hydraulic stimulation in a slate geothermal reservoir using the ubiquitous foliation model Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-02-01 Meng-Chia Weng, Chia-Hsun Peng, Hoang-Khanh Le, Wen-Jie Shiu, Chih-Hung Fang
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Numerical simulation of stress field reorientation in multi-fractures Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-31
Abstract Understanding the stress state caused by a subsequent failure is crucial for successful refracturing. However, there are many differences between the stress reorientation phenomena of a multi-fracture horizontal well and that of a single fracture in a vertical well, including the interaction of multi-fractures. These factors can lead to a change in the stress field of multiple fractures, which
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Parameter evaluation method of tight carbonate reservoir using electrical imaging pores diameter spectrum Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-30 Shixiang Shixiang, Jun Zhao, Xiaofeng Ren, Xiaofeng Wen, Anpei Liu, Fang Cai, Baocai Yu, Qiang Lai
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A sustainable clean energy source for mitigating CO2 emissions: numerical simulation of Hamit granitoid, Central Anatolian Massif Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-30 Tolga Ayzit, Mrityunjay Singh, Dornadula Chandrasekharam, Alper Baba
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A coupled hydro-thermo-mechanical model based on TLF-SPH for simulating crack propagation in fractured rock mass Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-29
Abstract In this paper, a hydro-thermo-mechanical coupling model based on the smoothed particle hydrodynamics with total Lagrangian formula (HTM-TLF-SPH) is proposed to simulate the crack propagation and instability process of fractured rock mass. TLF-SPH uses the Lagrangian kernel approximation, that is, the kernel function and its gradient need only be calculated once in the initial configuration
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Reasonable value range of damage stress during rock brittle failure under compression Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-27
Abstract It is significant to clarify the reasonable value range of damage stress in the brittle failure process of rock to predict rock instability, such as collapse and landslide. Previous studies on damage stress were mostly limited to the statistical analysis of results obtained through laboratory rock mechanics experiments, and relevant theoretical studies are urgently needed. This study first
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Ground control by L-shaped cemented paste backfilling technology in underground coal seam mining: a case study Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-27 Mingjie Guo, Wenbing Guo, Yi Tan, Hebing Zhang, Qinling Zheng, Gaobo Zhao, Erhu Bai
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Numerical simulations of fault stick–slip characteristics in different temperature fields at laboratory scale Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-27
Abstract With the increasing demand for deep engineering development, there is an urgent need to study the evolution and formation mechanisms of the stick–slip process in faults at high temperatures. Although research on fault stick–slip behaviors at room temperature and laboratory scales has yielded some findings, exploring them at high temperatures is challenging, especially when acoustic emission
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Property parameter determination in individual layers for separately fractured wells with commingled production in multi-layered reservoirs Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-25
Abstract At present, without any separate rate test for each layer, there is no way to determinate the properties of individual layers for separately fractured wells with commingled production in multi-layered reservoirs. In order to address this issue, much research work was performed and elucidated in this article. To begin with, we illustrated a basic physical model for a separately fractured well
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A fully coupled thermo-hydro-mechanical elastoplastic damage model for fractured rock Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-25 Nikolaos Reppas, Yilin Gui, Ben Wetenhall, Colin T. Davie, Jianjun Ma
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Roof movement and instability fracture characteristics in shallow-buried thin coal seam conventional mining faces Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-24 Jihua Zhang, Qiao Rui, Yushun Yang, Jiarui Chen, Wei Shen, Yue Yuan, Chengwu Wang, Weili Liu
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Temperature effect of rockburst in granite caverns: insights from reduced-scale model true-triaxial test Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-24 Xuefeng Si, Yong Luo, Fengqiang Gong, Jiancheng Huang, Kaifeng Han
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A permeability model for the fractal tree-like fracture network with self-affine surface roughness in shale gas reservoirs Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-24 Bowen Hu, J. G. Wang, Rui Sun, Zhiye Zhao
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Variability of the undrained strength of the plastic tailings from the Germano dam in Mariana, Brazil Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-24 Leonardo De Bona Becker, Ana Luiza Salgueiro de Aguiar, Willy Alvarenga Lacerda
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Correction: Machine learning approach for the prediction of mining-induced stress in underground mines to mitigate ground control disasters and accidents Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-23 Lingampally Sai Vinay, Ram Madhab Bhattacharjee, Nilabjendu Ghosh, Shankar Kumar
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Instability mechanism and control technology of soft rock roadways affected by mining in karst mountain area Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-23
Abstract The deformation and damage of soft rock roadways in karst mountainous area is serious, which greatly restricts the safe and efficient mining of coal resources. To explore the instability mechanism of soft rock roadway under the influence of mining, the 226 rail cross-cut of Shanjiaoshu Coal Mine in China was taken as an engineering background. The methods of field monitoring and drilling imaging
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Evaluation of sintered bauxite proppant for binary enhanced geothermal systems Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-23 Bijay KC, Ehsan Ghazanfari, John McLennan, Luke P. Frash, Meng Meng
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Numerical study of hydraulic fracturing on single-hole shale under fluid–solid coupling Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-23
Abstract To investigate the hydraulic fracture extension pattern of single-hole shale during hydraulic fracturing under fluid–solid coupling, this paper utilizes seepage–stress–damage coupling software to establish a mechanical model of hydraulic fracture initiation in single-hole shale under different pore pressure increments in seven groups. The results reveal that under the action of a single-hole
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Mechanical properties and acoustic emission characteristics of two dissimilar layers of rock-like specimens with prefabricated parallel fissures Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-22 Jun Hu, Hukun Wang, Zhiguo Xia, Bing Chen, Qingheng Gu, Xinrong Wang, Jinpeng Cao, Xu Liu
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Research on the bearing characteristics of brackets in thick hard roof mining sites and the effect of blasting on roof control Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-19 Jiaxin Dang, Min Tu, Xiangyang Zhang, Qingwei Bu
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A semi-analytical temperature solution for multi-segment deep coaxial borehole heat exchangers Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-18 Magnus Wangen
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Evolution characteristics of fracture volume and acoustic emission entropy of monzogranite under cyclic loading Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-17 Liyuan Liu, Zhou Zhang, Tao Wang, Sheng Zhi, Jiong Wang
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Validation of a damage constitutive model based on logistic model dedicated to the mechanical behavior of the rock Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-13 Kai Chen, Roberto Cudmani, Andres Alfonso Pena Olarte
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Study on damage characteristics and application of gypsum pillar strengthened with FRP Geomech. Geophys. Geo-energ. Geo-resour. (IF 5.0) Pub Date : 2024-01-06 Zhijie Wen, Pengfei Jiang, Zhenqi Song, Yujing Jiang, Jinhao Wen