Search Results - "Caichu Xia"

A new large strain approach for predicting tunnel deformation in strain-softening rock mass based on the generalized Zhang-Zhu strength criterion by Xu, Chen, Xia, Caichu

“…The deformation capacity of tunnel will be overestimated by small strain theory especially in high geostress and heavily squeezing rocks, the calculated wall…”
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Analytical elasto-plastic solution of frost heaving force in cold region tunnels considering transversely isotropic frost heave of surrounding rock by Lv, Zhitao, Xia, Caichu, Wang, Yuesong, Luo, Jing

“…Numerous cold region tunnels have been constructed in recent decades. To prevent frost damage, problem of frost heaving force calculation is to be solved…”
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Transversely isotropic frost heave of saturated rock under unidirectional freezing condition and induced frost heaving force in cold region tunnels by Xia, Caichu, Lv, Zhitao, Li, Qiang, Huang, Jihui, Bai, Xueying

“…A series of freezing experiments has been conducted to investigate the frost heaving property of saturated rock under unidirectional freezing condition…”
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Mechanical behavior of a new segmented lining for underground rock caverns with high internal pressure by Xu, Chen, Zhang, Gecheng, Xia, Caichu, Du, Shigui

“…This study introduces a novel segmented lining model designed to mitigate the challenges associated with tensile cracking in reinforced concrete linings within…”
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A new phase field model for mixed-mode brittle fractures in rocks modified from triple shear energy criterion by Xu, Yingjun, Zhou, Shuwei, Xia, Caichu, Hu, Yunjin

“…Fracture initiation, propagation, merging and branching in rocks are considerably complicated and commonly exhibit a great variety of patterns. How to…”
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Empirical Frost Heave Model for Saturated Rock Under Uniform and Unidirectional Freezing Conditions by Lv, Zhitao, Xia, Caichu, Li, Qiang, Si, Zhipeng

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Using MODIS Land Surface Temperatures for Permafrost Thermal Modeling in Beiluhe Basin on the Qinghai-Tibet Plateau by Li, Anyuan, Xia, Caichu, Bao, Chunyan, Yin, Guoan

“…It is essential to monitor the ground temperature over large areas to understand and predict the effects of climate change on permafrost due to its rapid…”
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Experimental study on the thermal performance of tunnel lining ground heat exchangers by Zhang, Guozhu, Xia, Caichu, Yang, Yong, Sun, Meng, Zou, Yichuan

“…•An innovative technology, tunnel lining GHEs was introduced.•The field test of tunnel lining GHEs was introduced.•The field test investigated the impact…”
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Air tightness of compressed air storage energy caverns with polymer sealing layer subjected to various air pressures by Shikang Qin, Caichu Xia, Shuwei Zhou

“…During the operation of compressed air storage energy system, the rapid change of air pressure in a cavern will cause drastic changes in air density and…”
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Experimental study on geothermal heat exchangers buried in diaphragm walls by Xia, Caichu, Sun, Meng, Zhang, Guozhu, Xiao, Suguang, Zou, Yichuan

“…► Conducting the first field experiment of heat exchangers in diaphragm wall. ► Finding the difference between heat exchanger in diaphragm wall and in…”
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Water migration and deformation during freeze-thaw of crushed rock layer in Chinese high-speed railway subgrade: Large scale experiments by Li, Anyuan, Niu, Fujun, Xia, Caichu, Bao, Chunyan, Zheng, Hao

“…The water migration and deformation of soil induced by freeze-thaw cycle is a significant issue which influences the stability of subgrade in Chinese…”
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Heat transfer model and design method for geothermal heat exchange tubes in diaphragm walls by Sun, Meng, Xia, Caichu, Zhang, Guozhu

“…► Proposing heat transfer models suitable to heat exchangers in diaphragm wall. ► Developing a design method of heat exchangers in diaphragm wall. ► Verifying…”
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A new model and analytical solution for the heat conduction of tunnel lining ground heat exchangers by Zhang, Guozhu, Xia, Caichu, Sun, Meng, Zou, Yichuan, Xiao, Suguang

“…In order to solve the freezing damage problem of tunnel in a cold region, an innovative tunnel lining ground heat exchangers (GHEs) heating system was…”
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Triaxial Creep Mechanical Behaviors and Creep Damage Model of Dolomitic Limestone Material under Multi-Stage Incremental Loading by Wang, Xingkai, Wei, Wansheng, Niu, Yong, Xia, Caichu, Song, Leibo, Han, Guansheng, Zhu, Zheming

“…Dolomitic limestone is the main surrounding rock material in Yangzong tunnel engineering; the instantaneous mechanical properties and creep behaviors of…”
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Back-Analysis of Tunnel Response from Field Monitoring Using Simulated Annealing by Vardakos, Sotirios, Gutierrez, Marte, Xia, Caichu

“…This paper deals with the use of field monitoring data to improve predictions of tunnel response during and after construction from numerical models…”
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Modified ground response curve (GRC) in strain-softening rock mass based on the generalized Zhang-Zhu strength criterion considering over-excavation by Xu, Chen, Xia, Caichu, Han, Changling

“…The ground response curve (GRC) depicts the relationship between support reaction force and ground displacement, which improves the understanding of…”
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Analytical prediction for time-dependent interaction of a circular tunnel excavated in strain-softening rock mass by Xu, Chen, Wang, Sheng, Xia, Caichu

“…Viscoelastic plastic solutions for tunnel excavation in strain-softening rock mass and tunnel-rock interaction are proposed based on the Mohr-Coulomb and the…”
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A New Method for 3D Modeling of Joint Surface Degradation and Void Space Evolution Under Normal and Shear Loads by Gui, Yang, Xia, Caichu, Ding, Wenqi, Qian, Xin, Du, Shigui

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A new sustainable energy based freeze proof method for drainage system in cold-region tunnels: A case study of Tianshan Shengli Tunnel by Zhang, Yao, Xia, Caichu, Zhou, Shuwei, Hu, Yunjin, Zhang, Jianxin

“…In order to solve frost damage problems in cold-region tunnels, a new sustainable energy based freeze proof method for tunnel drainage system is proposed. The…”
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Influence of Loading Rate on the Energy Evolution Characteristics of Rocks under Cyclic Loading and Unloading by Li, Jielin, Hong, Liu, Zhou, Keping, Xia, Caichu, Zhu, Longyin

“…To analyse the effect of loading rate on the energy evolution of rocks under cyclic loading and unloading, tests on saturated limestone were conducted at…”
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