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A Novel Oriented Perforation Approach for Fracturing Deep and Tight Reservoirs Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-18 Kaiming Xia, Yufeng Cui, Tariq Mahmood
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Roughness Characterization of Hydraulically Induced Fractures in Anisotropic Granite Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-18 Melvin B. Diaz, Sang Seob Kim, Hanna Kim, Tae Sup Yun, Kwang Yeom Kim
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Simple Equations for Estimating the Large Convergence and the Longitudinal Displacement Profile of a Tunnel Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-17 Kai Guan, Wancheng Zhu, Hongping Li, Quanyun Zhang, Qinglei Yu, Xige Liu
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Parameters Affecting the Proppant Distribution in Multiple Growing Hydraulic Fractures Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-17 Shaoyi Cheng, Bisheng Wu, Guangjin Wang, Zhaowei Chen, Yang Zhao, Tianshou Ma
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Regional Characteristics of Seismicity Associated with Hydraulic Fracturing in the Southern Sichuan Basin of China Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-17 Jingjing Dai, Jianfeng Liu, Changwu Liu, Jianxiong Yang, Fujun Xue, Yifan Tang, Junjie Liu, Dehang Liu, Shigui Dai
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The Cumulative Damage Evolution Law Of Multi-Anchor Circular Piles Reinforced Landslide Under Earthquake Action Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-15 Hong Wei, Zhigang Tao, Manchao He, Honggang Wu, Xiaoqiang Lv, Haijun Yu, Hanqian Weng
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Combination of a Failure Index and a Dilatancy-Dependent Permeability Model in Hydro-Mechanically-Coupled Numerical Simulations of Argillaceous Rock Formations of the Callovo-Oxfordian (COx) Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-15 Eike Radeisen, Hua Shao, Michael Pitz, Jürgen Hesser, Olaf Kolditz, Wenqing Wang
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Numerical Simulation of Spatial Crack Growth and the Local Failure Process of Rock Using the SMDSM Empowered by Structured 3-D Hierarchical Meshes Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-15 Kai Wang, Chunan Tang, Gen Li, Huahua Zhang
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Investigation on Rock Fracturing in Presplit Blasting Under Various Initial Stresses Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-14 Kewei Liu, Xudong Li, Linqi Huang, Yanyan Sha, Jiacai Yang, Xinrui Zhao, Sizhou Ma, Zhixian Hong
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On Multi-Component Gas Migration in Single-Phase Systems Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-13 Michael Pitz, Elke Jacops, Norbert Grunwald, Gesa Ziefle, Thomas Nagel
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Experimental Study of Debris Flows Impacting a Novel Barrier Based on Negative Poisson’s Ratio (NPR) Cables Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-13 Feifei Zhao, Manchao He, Zhigang Tao, Guangcheng Shi, Qiru Sui, Xiaohui Zheng
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Dynamic Responses of an Underground Opening Subject to Impact Loadings in Blocky Rock Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-13 Wen Nie, Zhaorui Yong, Guowei Ma, Dongqiao Liu, Lifeng Fan, Jie Sun
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A New Combined Mining Method: The Stope Limit Length Calculation of Considering Bulk Support Boundary Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-13 Qingfa Chen, Quan Gan, Hui Wang, Chenyang Liu
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Permeability Evolution in a Fracture in Granite During Isotropic Compression Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-13 Jian Huo, A. P. S. Selvadurai, Mohamed Meguid
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Frictional Stability and Permeability Evolution of 3D Carved Longmaxi Shale Fractures and Its Implications for Shale Fault Stability in Sichuan Basin Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-12 Li Cui, Fengshou Zhang, Mengke An, Zhen Zhong, Hengdong Wang
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Novel Sub-core Extraction Method Using CNC Milling for Water-Sensitive and Fragile Rock Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-12 Aly Abdelaziz, Johnson Ha, Giovanni Grasselli
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Comparison of Fatigue Hydraulic Fracturing of Granite Cores Subjected to Creep and Cyclic Injection Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-12 Li Zhuang, Changlun Sun, Hannes Hofmann, Arno Zang, Günter Zimmermann, Linmao Xie, Guanyi Lu, Andrew P. Bunger
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Robust Machine Learning Predictive Models for Real-Time Determination of Confined Compressive Strength of Rock Using Mudlogging Data Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-11 Milad Zamanzadeh Talkhouncheh, Shadfar Davoodi, David A. Wood, Mohammad Mehrad, Valeriy S. Rukavishnikov, Reza Bakhshi
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Experimental and Numerical Studies of Water–Sand Flow in Fractured Porous Media Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-11 Wei Li, Yu Liu, Shuncai Li, Liqiang Ma, Lei Yue, Jintao Wang
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A Test System for Microwave-Assisted Dual-Mode Mechanical Cutting of Hard Rock Under True Triaxial Compression Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-11 Xia-Ting Feng, Xiang-xin Su, Cheng-xiang Yang, Feng Lin, Shi-ping Li, Jiu-yu Zhang, Tian-yang Tong
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Validation of Diametrical Core Deformation Technique for Mining-Induced Stress Estimation: A Case Study Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-10 Yizhuo Li, Tuo Chen, Travis Blake, Hani S. Mitri
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The Rock Fragmentation Mechanism in Rock Cutting with PDC Cutter Under Hydrostatic Pressures Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-10 Weiji Liu, Hongxing Deng, Xiaohua Zhu
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Gravitational Failure Occurrence and Evolution of Rock Slopes Due to Dam Construction: A Case Study of Three Reservoirs in Southwest China Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-10 Ming-liang Chen, Jia-wen Zhou, Xing-guo Yang
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Creep of Rock Salt Under a Large Range of Deviatoric Stresses Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-09 Laura Blanco-Martín, Ahmed Rouabhi, Faouzi Hadj-Hassen, Jerzy Jaworowicz, Mejda Azabou, Grégoire Hévin, Paule Labaune
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Experimental Investigation on Rockburst Energy Characteristics of True Triaxial Unloading in Sandstone Under High Stress Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-08 Jieyu Li, Dongqiao Liu, Manchao He, Yunpeng Guo
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Uncovering Failure and Cracking Behaviors of Double-Flawed Sandstone Under Compressive-Shear Loading Using Digital Image Correlation (DIC) Technique Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-08 Tao Zhou, Jiarong Chen, Fei Wang, Changtai Zhou
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Analysis of the Internal Structure of Brenna Sandstone Samples with Respect to the Differences in Measured Quasi-elastic Moduli Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-08 Ivan Janeček, Deepak Amban Mishra, Chitralekha Satheesan Vishnu, Kamil Souček, Petr Hlaváček, Dagmar Klichová, Petr Martinec
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Investigation of Energy Transformation and Dissipation in Soft Rock Tunnels with Yielding Support Under Large Deformation Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-05 Kai Yang, Qixiang Yan, Chuan Zhang, Yanying Cheng
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Study on Warning Method for Fault Rockburst in Deep TBM Tunnels Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-04
Abstract Fault rockburst warning has always been challenging in deep tunnel engineering, and there is no quantitative warning method for deep tunnel boring machine (TBM) tunnels. This study clarified the geological characteristics and microseismic (MS) activity characteristics of fault rockbursts, and a quantitative warning method that integrates geological information and MS information was established
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Mechanical Damage Induced by the Water–Rock Reactions of Gypsum-Bearing Mudstone Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-04 Shifei Ping, Fugang Wang, Donghui Wang, Shengwei Li, Yaohui Wang, Yilong Yuan, Guanhong Feng
The deterioration of the mechanical properties of gypsum due to water–rock reactions has attracted extensive attention in the areas of structural geology and civil engineering, and accurately predicting variations in the mechanical behavior of gypsum under different engineering conditions presents a challenging yet intriguing endeavor. In our study, we conducted experimental investigations of the influence
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Determination of Optimal Burden for Ringhole Blasting in Underground Hard Rock Mining Under Varying Geotechnical Properties Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-04 Ashish Kumar Vishwakarma, Vivek Kumar Himanshu, Kaushik Dey
Burden is one of the most important parameter which plays an immense role in rock breakage using explosive energy. It is very difficult to select the optimum burden under different geotechnical and geomining condition. The selection becomes more critical when the excavation method is underground as very few researches or studies have been carried out in such cases. Therefore, in this paper, numerical
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Inference of Intermittent Hydraulic Fracture Tip Advancement Through Inversion of Low-Frequency Distributed Acoustic Sensing Data Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-04 Yongzan Liu, Lin Liang, Smaine Zeroug
Characterizing the fluid-driven fracture-tip advancing process presents a significant challenge due to the difficulty of replicating real-world conditions in laboratory experiments and the lack of precise field measurements. However, recent advances in low-frequency distributed acoustic sensing (LF-DAS) technology offer new opportunities to investigate the dynamics of propagating hydraulic fractures
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Determination of the Rock Mass Bearing Mechanism Following Excavation of Circular Tunnels Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-03
Abstract The self-supporting capacity of the surrounding rock mass is a critical factor in maintaining tunnel stability after excavation and is a key determinant of tunnel support structures safety. Despite being widely applied, the mechanism behind the self-supporting effect remains a challenging issue to clarify. In this paper, we have used the finite difference method (FDM) to investigate the formation
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A Transparent and Valid Framework for Rockburst Assessment: Unifying Interpretable Machine Learning and Conformal Prediction Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-03
Abstract The utilization of machine learning (ML) for rockburst assessment is hindered by an incomplete problem formalization in prior studies, which have focused more on predictive accuracy and less on factors such as explainability and uncertainty quantification. Despite achieving commendable accuracies, practitioners remain apprehensive about real-time implementation due to concerns surrounding
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Modeling the Impact of Thermal Stresses Induced by Wellbore Cooldown on the Breakdown Pressure and Geometry of a Hydraulic Fracture Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-02
Abstract Wellbore cooldown is often employed before well stimulation and/or hydraulic fracture stress testing in Enhanced Geothermal Systems and high-temperature petroleum reservoirs to prevent equipment from being overheated due to high temperatures. The thermo-elastic stress resulting from heat conduction during the cooling activity can have important influence on the behavior of the hydraulic fractures
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Rock CT Image Fracture Segmentation Based on Convolutional Neural Networks Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-02 Jian Lei, Yufei Fan
Image-based automatic fracture extraction methods have many practical applications in geological and engineering. Fracture identification and quantitative characterization require the means of interpreting and statistically analyzing image data. In comparison to traditional digital image processing methods, supervised semantic segmentation methods based on Convolutional Neural Networks (CNN) offer
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Simulation and Experimental Study on the Rock-Breaking Process Induced by High-Voltage Electric Pulse Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-02 Xianao Liu, Longchen Duan, Changping Li, Jifeng Kang, Di Zhang
High-voltage electric pulse rock boring (HVEPB) is a high-efficiency rock-breaking drilling technology, which is featured in high rock breaking efficiency and low cost. However, there is no suitable model to predict the high-voltage electric pulses rock-breaking process. First, this paper establishes a grain-based granite model based on Voronoi polygons, which can reflect the real characteristics of
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Study on Failure Behaviors of Roofs with Varying Thicknesses in Longwall Coal Mining Working Face Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-02 Shengli Yang, Hao Yue, Qiang Li, Yongsheng Chen
The stability of the roof in coal mining plays a crucial role in ensuring safe excavation. After coal extraction, the roof experiences complex and unbalanced stress conditions, leading to diverse roof failure behaviors, particularly in the case of thick roofs. This study examines the failure behaviors of roofs with different thicknesses through a combination of on-site measurements, physical modeling
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The Floor Heave Mechanism of a Deep Clastic Rock Tunnel in Southwest China: An Experimental Study Based on Excavation Stress Paths Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-02 Feiyan Wang, Xia-Ting Feng, Yangyi Zhou, Chengxiang Yang, Xiaojun Yu
Excavation in deep weak rock engineering can significantly alter the stress state in the surrounding rock, often leading to varying degrees of floor heave. The excavation stress paths from the immediate floor to the interior floor were determined by simulating tunnel excavation and monitoring stress changes at fixed points on the floor. The characteristic stresses, failure modes, acoustic emission
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A Three-Dimensional Nonlinear Strength Criterion for Rocks Considering Both Brittle and Ductile Domains Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-01
Abstract A three-dimensional nonlinear strength criterion for rocks considering both brittle and ductile domains is proposed through the combination of the segmented meridian function and a generalized deviatoric function with one parameter. The segmented meridian function is composed of the Hoek–Brown criterion, the smoothing transition surface, and the modified Drucker–Prager cap model. Besides,
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Study on the Mechanism of Progressive Instability of Special-Shaped Coal Pillar and the Stability Control of Roadway Under the Influence of Mining Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-01 Dingchao Chen, Xiangyu Wang, Feiteng Zhang, Jianbiao Bai, Xiangqian Zhao, Menglong Li, Yang Yu, Xiangdong Wang, Shiqi Sun
Coal pillar is a crucial element formed during underground coal mining, playing a significant role in ensuring coal mining operations are conducted safely. Historically, research on coal pillars has primarily focused on regular-shaped pillars, with limited attention given to special-shaped pillars. Therefore, this paper aims to investigate the special-shaped coal pillar formed after the excavation
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Estimating the Volumetric Fracture Intensity P32 Through a New Analytical Approach Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-01 Gian Luca Morelli
In the geomechanical characterisation practice of jointed rock masses, the volumetric fracture intensity P32, defined as the total area of discontinuities per unit volume, is becoming increasingly popular as one of the most suitable three-dimensional estimators of the fracture abundance. 3D discrete fracture network (DFN) modelling is currently the most rigorous approach to estimate P32. However, considering
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Prediction of Uniaxial Strength of Rocks Using Relevance Vector Machine Improved with Dual Kernels and Metaheuristic Algorithms Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-04-01 Jitendra Khatti, Kamaldeep Singh Grover
The uniaxial compressive strength (UCS) is an essential parameter to study rock characteristics, determined by direct and indirect methods. However, the direct methods of determining rock UCS are lengthy and arduous, presenting a requirement of developing a robust indirect method. This investigation introduces an optimal computational model based on the artificial intelligence approach. For that aim
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Introducing a New Classification System for Estimating Non-cemented Alluvial Bimsoils Friction Angle Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-31 Zahra Shahmorad, Parviz Moarefvand, Akbar Cheshomi
Due to heterogenous nature of bimsoils (complex mixture of rock blocks within a soil matrix), studying their behavior through conducting in situ and laboratory tests is really difficult. By developing methods for shear parameters estimation of bimsoils, engineers will be able to have insight about these parameters values without conducting expensive, difficult and sometimes impossible in situ tests
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Experimental Study on an Innovative Method for Pre-split Blasting to Protect Withdrawal Roadways Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-30 Jun Yang, Xing Wu, Qiang Fu, Shilin Hou, Hongxu Song, Hongyu Jin, Yuxuan Liu, Jiarui Tang
The deformation of surrounding rock in the withdrawal roadways of fully mechanized working faces is a critical factor affecting the safe and efficient withdrawal of mining equipment. In order to address this issue, an experimental study was conducted on an innovative method for pre-split blasting to protect withdrawal roadways, using a working face in Shaanxi Province, China, as the engineering background
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Experimental Investigation of Saturation Effect on the Mechanical Behaviour of Château-Landon Chalk Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-28 Danielle Pajiep, Nathalie Conil, Mountaka Souley, Jian-Fu Shao, Philippe Gombert, Shou-Yi Xie
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Quantitative Study of the Failure Characteristics of Sandstone with Freeze–Thaw Damage: Insight into the Cracking Behavior Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-26 Weiji Sun, Junzu Ma, Jiaxu Jin, Shaohua Li, Qiang Liu, Haibo Wang
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On the Effect of Lateral Confinement on Rock-Cutting Tool Interactions Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-26 Hongwei Yang, Nils Dahlhaus, Jörg Renner
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Research on Active Advanced Support Technology of Backfilling and Mining Face Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-25 Meng Wang, Jinshuai Su, Hongyan Qin, Liyou Shang, Jiaxu Kang, Weiwei Liu, Meng Li, Fan Zhang, Xin Li, Zhongzheng Fang
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Microcracking Characterization in Tensile Failure of Hard Coal: An Experimental and Numerical Approach Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-23 Xiaoran Wang, Xiaofei Liu, Enyuan Wang, Shuxin Liu, Tiancheng Shan, Joseph F. Labuz
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Decoding Rock Fracture Behavior: A Classification of Frost Heave Pressure Evolution in Freeze–Thaw Process Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-22
Abstract In cold regions, rock fractures can expand under the force of frost heave pressure, potentially triggering severe geological catastrophes such as collapses and landslides on rock slopes. Nevertheless, a comprehensive study of the evolution patterns and causes of frost heave pressure within rock fractures is currently lacking. To address this gap, this paper focuses on single-cracked sandstone
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Phase-Field Based Peridynamics Implementation to Model Blast-Induced Fracture in Brittle Solids Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-22
Abstract We propose a non-ordinary state-based (NOSB) peridynamics model for (i) stress concentration in a plate with a hole under static loading, (ii) blast-induced dynamic brittle fracture process and (iii) subsurface blast-induced damage in steel-reinforced concrete. In this model formulation, fractures take their own natural paths. Damage is captured through a scalar damage variable that transits
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Three-Dimensional Modelling of a Large-Diameter Sealing Concept in a Deep Geological Radioactive Waste Disposal Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-22 Matías Alonso, Jean Vaunat, Minh-Ngoc Vu, Jean Talandier, Sebastià Olivella, Antonio Gens
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Experimental Study on the Accelerating Creep of Rock Under Dry and Wet Conditions Based on a New Test Method Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-21
Abstract Creep tests under constant stress are among the most important tests for investigating the time-dependent behavior of rock. In previous studies, creep tests were conducted under various loading and environmental conditions; however, it was very difficult to demonstrate accelerating creep at failure at stresses less than 50% of strength in conventional creep tests. In this study, a new test
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Simulation Study of Acid Fracturing Initiation with Consideration of Rock Mechanics Parameter Variations Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-21 Yuwei Li, Xingwen Jiang, Jizhou Tang, Bo Liu
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Research on Point Load Correction Factor Based on Electro-hydraulic Servo Point Load Meter Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-20 Lei Qiao, FaQuan Wu, XiaoXia Zhou, YinHong Chen, YuKai Zhang
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Effect of Cyclic Impact on the Dynamic Behavior of Thermally Shocked Granite Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-19 L.F. Fan, H. Li, Y. Xi, M. Wang
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Excavation-Induced Fault Instability: A Machine Learning Perspective Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-19 Wenzhao Meng, Nuwen Xu, Zhihong Zhao, Wei Wu
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Rock Mass Structure Characterization Considering Finite and Folded Discontinuities: A Parametric Study Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-19 Georg H. Erharter
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3D Geomechanical Finite Element Analysis for a Deepwater Faulted Reservoir in the Eastern Mediterranean Rock Mech. Rock Eng. (IF 6.2) Pub Date : 2024-03-19
Abstract Hydrocarbon reservoir structures are subjected to tectonic forces along the geological time that cause rock deformation and break into faulted zones. Faulted reservoirs, enclose certain complexity in terms of the distributed effective stresses, rock plastic alteration, slipping and fault block displacement. In this study, we develop a three-dimensional (3D) geomechanical reservoir model with