Search Results - "Xia, Chengzhi"

a modified SPH framework of for simulating progressive rock damage and water inrush disasters in tunnel constructions by Xia, Chengzhi, Shi, Zhenming, Li, Bo

“…To date, numerically simulating the Fluid–Solid Interaction (FSI) and the entire process of host rock damage and water inrush involved in tunnel construction…”
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A revisit of disaster process of Vajont rockslide using a coupled discontinuous smooth particle hydrodynamics (CDSPH) method by Xia, Chengzhi, Shi, Zhenming, Li, Bo

“…A coupled discontinuous smooth particle hydrodynamics (CDSPH) method was developed and employed to investigate the disaster process of Vajont rockslide. In…”
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Dynamic analysis of field-scale rockslides based on three-dimensional discontinuous smoothed particle hydrodynamics: A case study of Tangjiashan rockslide by Xia, Chengzhi, Shi, Zhenming, Liu, Maomao, Li, Bo, Yu, Songbo, Xue, Jianfeng

“…To improve the understanding of the dynamic disastrous process of field-scale rockslides, a novel numerical approach, Three-dimensional Discontinuous Smoothed…”
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Dynamic simulation and failure analysis of intermittently jointed rock cells and slopes based on a novel spring-based smoothed particle hydrodynamics method by Kou, Huanjia, Shi, Zhenming, Xia, Chengzhi, Zhou, Yuanyuan, Meng, Shaoqiang

“…A spring-based smoothed particle hydrodynamics (SB-SPH) method was developed to reproduce the progressive failure process and quantify the factor of safety…”
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A modified smoothed particle hydrodynamics method considering residual stress for simulating failure and its application in layered rock mass by Xia, Chengzhi, Shi, Zhenming, Kou, Huanjia

“…Residual strength is an indispensable factor in evaluating rock fracture, yet the current Smoothed Particle Hydrodynamics (SPH) framework rarely considers its…”
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Kernel broken smooth particle hydrodynamics method for crack propagation simulation applied in layered rock cells and tunnels by Xia, Chengzhi, Shi, Zhenming, Zheng, Hongchao, Wu, Xiaohan

“…Understanding the cracking process of layered tunnels requires a high-fidelity method. Improved smooth particle hydrodynamics (SPH), termed kernel broken SPH…”
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Progressive failure and quantitative stability analysis of rock slope with cross-type discrete fracture network using spring-based smoothed particle hydrodynamics method by Kou, Huanjia, Shi, Zhenming, Lu, Guangyin, Zhu, Ziqiang, Xia, Chengzhi, Shen, Danyi, Meng, Shaoqiang

“…The propagation and coalescence of discontinuous cross-type joints are often the primary drivers of rock slope failures. Due to the inherent randomness of…”
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Sensitivity analyses of random cave groups on karst tunnel stability based on water–rock interaction using a novel contact dynamic method by Xia, Chengzhi, Shi, Zhenming, Kou, Huanjia, Meng, Shaoqiang, Liu, Maomao

“…This paper concentrates on the sensitivity and dynamic simulation of randomly distributed karst cave groups on tunnel stability and connectivity extended ratio…”
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A Time-Scale Varying Finite Difference Method for Analyzing the Influence of Rainfall and Water Level on the Stability of a Bank Slope by Zhang, Guorong, Lu, Guangyin, Xia, Chengzhi, Bai, Dongxin, Liu, Taoying

“…A time-scale varying finite difference method (TSFDM) was proposed to analyze the influence of rainfall infiltration and water level fluctuation on the…”
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Progressive Failure of Water-Resistant Stratum in Karst Tunnel Construction Using an Improved Meshfree Method Considering Fluid–Solid Interaction by Zhou, Yuanyuan, Xia, Chengzhi, Shi, Zhenming, Lu, Guangyin, Liu, Liu, Liu, Maomao

“…An improved meshfree method that considers cracking, contact behaviour and fluid–solid interaction (FSI) was developed and employed to shed light on the…”
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Effects of soil properties and geomorphic parameters on the breach mechanisms of landslide dams and prediction of peak discharge by Guan, Shenggong, Shi, Zhenming, Zheng, Hongchao, Shen, Danyi, Hanley, Kevin J., Yang, Jiangtao, Xia, Chengzhi

“…Breaching of a dam depends on the complex interaction between the dam and the backwater lake. Here, we conduct a series of experiments to investigate the…”
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A Sensitivity Analysis of the Anisotropy of Hydraulic Conductivity to the Seepage, Deformation and Stability of Anti-dipping Layered Rock Slopes: A Case Study of the Pulang Area in Southwestern China by Zhang, Guangkeng, Lu, Guangyin, Xia, Chengzhi, Wu, Lianrong, Xu, Zongming, Bai, Ying, Li, Jialu

“…In this paper, in order to study the influence of anisotropy ratios and anisotropy directions on the seepage, deformations and stability of the anti-dipping…”
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Sensitivity Analyses of the Seepage and Stability of Layered Rock Slope Based on the Anisotropy of Hydraulic Conductivity: A Case Study in the Pulang Region of Southwestern China by Xia, Chengzhi, Lu, Guangyin, Bai, Dongxin, Zhu, Ziqiang, Luo, Shuai, Zhang, Guangkeng

“…In the study of the seepage characteristics of layered rock slope under rainfall conditions, the majority of previous research has considered the hydraulic…”
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Deformation and Stability Characteristics of Layered Rock Slope Affected by Rainfall Based on Anisotropy of Strength and Hydraulic Conductivity by Xia, Chengzhi, Lu, Guangyin, Zhu, Ziqiang, Wu, Lianrong, Zhang, Liang, Luo, Shuai, Dong, Jie

“…The strength and hydraulic conductivity anisotropy of rock slopes have a great impact on the slope stability. This study took a layered rock slope in Pulang,…”
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An improved smooth particle hydrodynamics method for modelling crack propagation in layered rock cells and slopes by Xia, Chengzhi, Shi, Zhenming, Zheng, Hongchao

“…An improved smooth particle hydrodynamics (SPH) method is implemented to simulate crack propagation in layered rock cells and slopes, and the results are…”
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A 3D SPH framework for simulating landslide dam breaches by coupling erosion and side slope failure by Li, Shuang, Peng, Ming, Gao, Liang, Xia, Chengzhi, Zhu, Yan

“…Depicting the co-occurrence of erosion and side slope failure during landslide dam breaches using numerical models remains a challenge. In this study, a 3D…”
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Fundamental insights into the crack propagation behavior of functional gradient ultra-high-performance concrete using the digital image correlation method by Meng, Shaoqiang, Shi, Zhenming, Niu, Yanfei, Zheng, Hongchao, Xia, Chengzhi

“…[Display omitted] •At the initial cracking load, the macroscopic crack-zone length increased with increasing fiber-volume fraction, whereas the…”
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Stability analysis of layered circular rock tunnels considering anchor reinforcement based on an enhanced mesh-free method by Lu, Guangyin, Tao, Chuanyi, Xia, Chengzhi, Cao, Bei, Zhu, Xudong

“…•Improvements were made to traditional Smooth Particle Hydrodynamics (SPH), enabling the accurate capture of stress field distribution and crack propagation in…”
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Investigating the impacts of groundwater and anisotropy on thermal-hydro-mechanical coupling with multi-dimensional analysis by Shi, Zhenming, Li, Junliang, Zhao, Yong Zhi, Meng, Shaoqiang, Xia, Chengzhi

“…•Multi-dimensional solutions for the thermo-hydro-mechanical coupling of soils are proposed.•The effects of groundwater levels and anisotropy of seepage are…”
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Application of a CO2 Pressure Swing Saturation Strategy in PP Semi-Solid-State Batch Foaming: Evaluation of Foamability by Experiments and Numerical Simulations by Chen, Yichong, Xia, Chengzhi, Liu, Tao, Hu, Dongdong, Xu, Zhimei, Zhao, Ling

“…Compared with extrusion foaming, semi-solid-state batch foaming with CO2 can produce foams with small bubble size and high expansion ratio using the polymers…”
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