Search Results - "ZHANG, Fengshou"

Effect of particle shape on the progressive failure of shield tunnel face in granular soils by coupled FDM-DEM method by Yin, Zhen-Yu, Wang, Pei, Zhang, Fengshou

“…•The progressive face failure of a shield tunnel in sand is analyzed.•The coupled FDM-DEM is adopted.•The effect of particle shape on the failure process is…”
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Investigating Hydraulic Fracturing Complexity in Naturally Fractured Rock Masses Using Fully Coupled Multiscale Numerical Modeling by Zhang, Fengshou, Damjanac, Branko, Maxwell, Shawn

“…Naturally fractured rock mass is highly inhomogeneous and contains geological discontinuities at various length scales. Hydraulic fracture stimulation in such…”
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A review of methods, applications and limitations for incorporating fluid flow in the discrete element method by Tuo Wang, Fengshou Zhang, Jason Furtney, Branko Damjanac

“…The past decade has witnessed the substantial growth in research interests and progress on the subject of coupled hydro-mechanical processes in rocks and…”
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Quantification of water inflow in rock tunnel faces via convolutional neural network approach by Chen, Jiayao, Zhou, Mingliang, Zhang, Dongming, Huang, Hongwei, Zhang, Fengshou

“…Quantifying water inflow information from rock tunnel faces is critical for field engineers to assess the rock mass rating and subsequently make appropriate…”
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Three-dimensional DEM modeling of the stress–strain behavior for the gap-graded soils subjected to internal erosion by Zhang, Fengshou, Li, Mengli, Peng, Ming, Chen, Chen, Zhang, Limin

“…In this work, 3D discrete element method modeling of drained shearing tests with gap-graded soils after internal erosion is carried out based on published…”
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Stress perturbation caused by multistage hydraulic fracturing: Implications for deep fault reactivation by An, Mengke, Zhang, Fengshou, Dontsov, Egor, Elsworth, Derek, Zhu, Hehua, Zhao, Luanxiao

“…Swarms of earthquakes during shale gas exploitation in the Changning area of Sichuan Basin indicate that hydraulic fracturing induces seismicity both within…”
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Permeability Evolution and Frictional Stability of Fabricated Fractures With Specified Roughness by Fang, Yi, Elsworth, Derek, Ishibashi, Takuya, Zhang, Fengshou

“…Roughness is widely observed on natural fractures, and its impact on the potential for induced seismicity and associated fluid migration in the subsurface…”
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Influence of fracture roughness on shear strength, slip stability and permeability: A mechanistic analysis by three-dimensional digital rock modeling by Chaoyi Wang, Derek Elsworth, Yi Fang, Fengshou Zhang

“…Subsurface fluid injections can disturb the effective stress regime by elevating pore pressure and potentially reactivate faults and fractures. Laboratory…”
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The Potential for Low‐Grade Metamorphism to Facilitate Fault Instability in a Geothermal Reservoir by An, Mengke, Zhang, Fengshou, Min, Ki‐Bok, Elsworth, Derek, Marone, Chris, He, Changrong

“…Native and fluid circulation‐induced metamorphic products may affect the stability of faults in geothermal reservoirs–particularly epidote (Ep) and chlorite…”
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Micromechanical analysis of hydraulic fracturing in the toughness-dominated regime: implications to supercritical carbon dioxide fracturing by Li, Mengli, Zhang, Fengshou, Zhuang, Li, Zhang, Xi, Ranjith, Pathegama

“…Supercritical carbon dioxide (SC-CO 2 ) is considered as an ideal non-aqueous fracturing fluid due to its superior properties of liquid-like density, gas-like…”
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A state-of-art review on development and progress of backfill grouting materials for shield tunneling by Jiang, Xi, Zhu, Hehua, Yan, Zhiguo, Zhang, Fengshou, Ye, Fei, Li, Peinan, Zhang, Xuehui, Dai, Zhiren, Bai, Yun, Huang, Baoshan

“…Backfill grouting plays a vital role in shield tunneling. This paper aims to present a comprehensive review of the development and progress of backfill…”
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Three-dimensional distinct element modeling of fault reactivation and induced seismicity due to hydraulic fracturing injection and backflow by Zirui Yin, Hongwei Huang, Fengshou Zhang, Lianyang Zhang, Shawn Maxwell

“…This paper presents a three-dimensional fully hydro-mechanical coupled distinct element study on fault reactivation and induced seismicity due to hydraulic…”
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DEM-continuum mechanics coupled modeling of slot-shaped breakout in high-porosity sandstone by Wang, Tuo, Huang, Hongwei, Zhang, Fengshou, Han, Yanhui

“…•Simulate the slot-shaped breakout based on a 3D DEM-continuum coupled model.•Reveal the formation of slot-shaped breakout due to particle crushing and…”
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Frictional strength and sliding behaviors of an analogue rock-fault structure: A laboratory study by Zhong, Zhen, Xu, Congqiang, Hu, Yunjin, Zhang, Fengshou, Wu, Faquan, Li, Bo

“…Preexisting faults exert a dominant control on frictional strength and stability of crustal faults. However, the complex interplay between fault and host rocks…”
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Friction and stability of granite faults in the Gonghe geothermal reservoir and implications for injection-induced seismicity by Zhang, Fengshou, Cao, Shutian, An, Mengke, Zhang, Chongyuan, Elsworth, Derek

“…•The Gonghe geothermal reservoir comprises granites dominated by quartz and feldspar but with high chlorite content.•Granitic gouges tend to show…”
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Numerical Investigation on Hydraulic Fracturing of Extreme Limited Entry Perforating in Plug-and-Perforation Completion of Shale Oil Reservoir in Changqing Oilfield, China by Zhang, Fengshou, Wang, Xiaohua, Tang, Meirong, Du, Xianfei, Xu, Chuangchao, Tang, Jizhou, Damjanac, Branko

“…In recent years, multi-stage hydraulic fracturing for shale oil reservoirs is developing toward a shorter cluster spacing and a larger number of clusters per…”
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Evaluation approach of rock brittleness index for fracturing acidizing based on energy evolution theory and damage constitutive relation by Jin Shaobo, Jin Shaobo, Wang Xin, Wang Xin, Wang Zhen, Wang Zhen, Mo Shaoyuan, Mo Shaoyuan, Zhang Fengshou, Zhang Fengshou, Tang Jizhou, Tang Jizhou

“…Acidizing, as an essential approach for well stimulation of sandstone or carbonate reservoirs, greatly affects the brittleness of the rock mass. Therefore, it…”
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Shear-induced permeability evolution of natural fractures in granite: Implications for stimulation of EGS reservoirs by Li, Xuefeng, Zhang, Fengshou, Xiu, Nailing, Weng, Dingwei, Cai, Bo, Fu, Haifeng

“…Permeability evolution of natural fractures during shearing is one of the critical issues in enhanced geothermal system (EGS). In this study, we conducted a…”
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Quantitative assessments on fluid flow through fractures embedded in permeable host rocks: Experiments and simulations by Zhong, Zhen, Meng, Xing, Hu, Yunjin, Zhang, Fengshou, Wu, Faquan, Wang, Gang

“…An accurate understanding on hydraulic behaviors of fluid flow through fractured rocks is of central importance for both underground resources exploitation and…”
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Thermo-hydro-mechanical (THM) coupled simulation of the land subsidence due to aquifer thermal energy storage (ATES) system in soft soils by Yang Wang, Fengshou Zhang, Fang Liu

“…Aquifer thermal energy storage (ATES) system has received attention for heating or cooling buildings. However, it is well known that land subsidence becomes a…”
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