Search Results - "Liu, Yaoru"

Real-time prediction of rock mass classification based on TBM operation big data and stacking technique of ensemble learning by Shaokang Hou, Yaoru Liu, Qiang Yang

“…Real-time prediction of the rock mass class in front of the tunnel face is essential for the adaptive adjustment of tunnel boring machines (TBMs). During the…”
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Stability analysis of earthquake-induced rock slope based on back analysis of shear strength parameters of rock mass by Lv, Qingchao, Liu, Yaoru, Yang, Qiang

“…High-steep rock slopes are much more likely to collapse and form weir body due to earthquake. Converting the weir body to hydraulic engineering is a good way…”
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Analysis of the Abutment Movements of High Arch Dams due to Reservoir Impoundment by Wang, Shouguang, Liu, Yaoru, Yang, Qiang, Wang, Xingwang

“…The deformation of mountains induced by reservoirs around high arch dams may influence the safety of those arch dams, but the underlying mechanisms of this…”
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Pixel-level crack segmentation of tunnel lining segments based on an encoder–decoder network by Hou, Shaokang, Ou, Zhigang, Huang, Yuequn, Liu, Yaoru

“…Regular detection and repair for lining cracks are necessary to guarantee the safety and stability of tunnels. The development of computer vision has greatly…”
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Study on support time in double-shield TBM tunnel based on self-compacting concrete backfilling material by Liu, Yaoru, Hou, Shaokang, Li, Chaoyi, Zhou, Haowen, Jin, Feng, Qin, Pengxiang, Yang, Qiang

“…Double-shield tunnel boring machine (TBM) typically supports surrounding rock structures using precast lining segments, pea-gravel backfilling and grouting,…”
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Study on time-dependent behavior and stability assessment of deep-buried tunnels based on internal state variable theory by Zhang, Long, Liu, Yaoru, Yang, Qiang

“…•The creep damage model based on internal state variables is developed.•The central-difference form of the creep damage model has been presented.•The developed…”
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Prediction of shield jamming risk for double-shield TBM tunnels based on numerical samples and random forest classifier by Hou, Shaokang, Liu, Yaoru, Zhuang, Wenyu, Zhang, Kai, Zhang, Rujiu, Yang, Qiang

“…Currently, various machine learning (ML) techniques have been developed to solve geotechnical engineering problems. However, the lack of representative field…”
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Study of Unloading Relaxation for Excavation Based on Unbalanced Force and Its Application in Baihetan Arch Dam by Zhong, Daning, Liu, Yaoru, Cheng, Li, Yang, Qiang, Chen, Yulong

“…Unloading relaxation of rock masses in an excavated interface is unfavorable to the performance of the dam foundation system. To evaluate its effects better, a…”
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Failure and Stability Analysis of Jinping-I Arch Dam Based on Geomechanical Model Test and Nonlinear Numerical Analysis by Tao, Zhuofu, Liu, Yaoru, Cheng, Li, Yang, Qiang

“…Jinping-I high arch dam is the highest arch dam (305 m) in the world, but the topography of its left and right sides of the arch is not symmetrical, which has…”
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Seiche Effects in Lake Tekapo, New Zealand, in an Mw8.2 Alpine Fault Earthquake by Wang, Xiaoming, Holden, Caroline, Power, William, Liu, Yaoru, Mountjoy, Joshu

“…This study investigates the potential for seismic seiches in Lake Tekapo, New Zealand, triggered by ground shaking from an Mw8.2 Alpine Fault earthquake…”
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Long-term stability analysis of the left bank abutment slope at Jinping I hydropower station by Long Zhang, Qiang Yang, Yaoru Liu

“…The time-dependent behavior of the left bank abutment slope at Jinping I hydropower station has a major influence on the normal operation and long-term safety…”
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Experimental and numerical investigation on the stability of a high arch dam with typical problems of nonsymmetry: Baihetan Dam, China by Song, Ziheng, Liu, Yaoru, Yang, Qiang

“…High arch dams present nonsymmetry problems, both on topological and geological conditions at dam site, and are inevitable in many projects. Their influence is…”
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Stability analysis of soil slope based on deformation reinforcement theory by Liu, Yaoru, Wang, Chuanqi, Yang, Qiang

“…The traditional rigid-body limit equilibrium method cannot provide actual stress distribution in slope stability analysis, neither finite-element-based…”
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Evaluating the safety of high arch dams with fractures based on numerical simulation and geomechanical model testing by He, Zhu, Liu, YaoRu, Pan, YuanWei, Yang, Qiang

“…It is important to estimate the probability of fracture extension and its impact on the safety of arch dams with fractures. Nu- merical simulation and…”
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Early warning of tunnel collapse based on Adam-optimised long short-term memory network and TBM operation parameters by Hou, Shaokang, Liu, Yaoru

“…Collapses are common geohazards during tunnel boring machine (TBM) construction under complex geological conditions. This study proposes a tunnel collapse…”
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A distributed memory parallel element-by-element scheme based on Jacobi-conditioned conjugate gradient for 3D finite element analysis by Liu, Yaoru, Zhou, Weiyuan, Yang, Qiang

“…For FEM solution of complex hydraulic structures, a parallel method is usually needed to deal with a large amount of numerical computation. The article…”
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Fracture analysis of rock mass based on 3-D nonlinear Finite Element Method by Liu, YaoRu, Chang, Qiang, Yang, Qiang, Wang, ChuanQi, Guan, FuHai

“…Traditional fracture analysis is based on fracture mechanics and damage mechanics. They focus on the propagation of the fracture. However, their propagation…”
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A finite element approach for seismic design of arch dam-abutment structures by Yang, Qiang, Leng, KuangDai, Liu, YaoRu

“…We present a 3-D finite element (FE) approach to find the optimal distribution of seismic reinforcement force to secure high arch dam-abutment structures…”
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Experiment simulation of hydraulic fracture in colliery hard roof control by Cong Lin, Jianqiang Deng, Yaoru Liu, Qiang Yang, Hongfei Duan

“…Hydraulic fracture geometry is of paramount importance to enhance fracture effect in colliery hard roof control. Near wellbore complexity often resulted in low…”
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Fracture Analysis of Brittle Materials Based on Nonlinear FEM and Application in Arch Dam with Fractures by Pan, Yuanwei, Liu, Yaoru, Cui, Zhixiong, Chen, Xin, Yang, Qiang

“…Current fracture analysis models based on fracture mechanics or continuum damage mechanics are still limited in the application to three-dimensional structure…”
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