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Comparative tests on strength and deformation of phyllite of northern tunnels of Longmen Mountains
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Comparative tests on strength and deformation of phyllite of northern tunnels of Longmen Mountains
WU Yong-sheng 1, TAN Zhong-sheng 1, YU Xian-bin 2, YU Yu 3, LI Lei 1, GUO Xiao-long 1 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The experimental tests are carried out on the strength and deformation characteristics of four typical rock samples of phyllite taken from the northern tunnels of Longmen Mountains of the Chengdou-Lanzhou Railway. The re...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental research on influences of suction on deformation characteristics of loess under unloading-reloading conditions
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Experimental research on influences of suction on deformation characteristics of loess under unloading-reloading conditions
GUO Nan 1, CHEN Zheng-han 1,2, GAO Deng-hui1 , ZHOU Yong 1, YANG Xiao-hui 1, HU Sheng-xia 3 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
In order to explore the influences of matrix suction and net confining pressure on the deformation-strength and unloading-reloading modulus of loess, three groups of 27 tests are performed using the unsaturated triaxial ...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental study on effects of gradation on strength and deformation of coarse-grained soil
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Experimental study on effects of gradation on strength and deformation of coarse-grained soil
LING Hua 1,2, FU Hua 1,2, HAN Hua-qiang 1,2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Eight large-scale triaxial tests on coarse-grained soil with different lithologies are carried out. The effects of gradation on strength, deformation, dilatancy and particle breakage characteristics of coarse-grained soi...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental study on moistening deformation characteristics of compacted loess and their influencing factors
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Experimental study on moistening deformation characteristics of compacted loess and their influencing factors
YANG Yu-sheng 1, LI Jing 2, XING Yi-chuan 1, ZHAO Jian-min 3 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
As a building material, the loess is usually required to be compacted in engineering construction, thus the deformation characteristics of compacted loess with the increase of water content are closely related to the saf...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Influence of cement instead of mineral powder on long-term deformation characteristics of asphalt concrete
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Influence of cement instead of mineral powder on long-term deformation characteristics of asphalt concrete
LI Mei , ZHAO Na , ZUO Yong-zhen , HE Xiao-min , TAN Fan · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
As one of composition materials (asphalt, aggregate, mineral powder) for hydraulic asphalt concrete, the mineral powder has a messy process of manufacture. Comparatively, the cement is easily processed and available for ...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Slaking deformation model for rockfill materials
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Slaking deformation model for rockfill materials
CHI Shi-chun , ZHOU Xiong-xiong · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The safety of core wall type rockfill dams during reservoir impounding is greatly affected by the slaking deformation of upstream shell materials. The slaking deformation of the rockfill materials is analyzed using the t...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Tests on transparent soil for soil disturbance deformation induced by sampler penetration
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Tests on transparent soil for soil disturbance deformation induced by sampler penetration
LUO Ru-ping 1,2, WU Yue-dong 1,2, LIU Jian 1,2, YANG Dong 1,2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The soil disturbance deformation induced by sampler penetration has a significant influence on the physical and mechanical properities of soil in soil investigation engineering. A series of small-scale model tests with d...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Three-dimensional finite element analysis of effects of foundation underpinning on deformation control of existing buildings adjacent to a deep excavation
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Three-dimensional finite element analysis of effects of foundation underpinning on deformation control of existing buildings adjacent to a deep excavation
LI Jing 1, 2, XU Zhong-hua 1, 2, WANG Wei-dong 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The excavation of Dingding Bund is adjacent to an existing heritage architecture. As the pit is as deep as 20 m and the heritage architecture is only about 3 m away from the excavation, foundation underpinning is adopted...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Application of UH model to analysis of deformation of embankment on soft soils
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Application of UH model to analysis of deformation of embankment on soft soils
FENG Xing 1, YAO Yang-ping 2, LI Ru-ning 3, HUO Hai-feng 1 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The unified hardening model (UH model) proposed by Yao et al. is the constitutive model which can consider the influence of the complex stress path and stress history on the deformation and strength of clays reasonably. ...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Limit analysis of reinforced slopes with prestressed anchor cables considering energy dissipation due to deformation of inner friction
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Limit analysis of reinforced slopes with prestressed anchor cables considering energy dissipation due to deformation of inner friction
XIA Yuan-you , CHEN Chun-shu · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
According to deformable coordination condition, the sliding soil mass will deform to adapt to the curve of logarithmic spiral which will lead to energy dissipation. To quantify this energy dissipation, two multi-blocks p...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental study on multi-bench retaining foundation pit
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Experimental study on multi-bench retaining foundation pit
ZHENG Gang 1, 2, NIE Dong-qing 1, 2, CHENG Xue-song 1, 2, DIAO Yu 1, 2, LIU Jie 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
In deep excavations with a large area of soft soil, the multi-bench retaining method, which has a short construction period and doesn’t need any horizontal reinforced concrete struts, can be used to replace the method ...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Reinforcement characteristics of ultra-soft ground in Tianjin Port
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Reinforcement characteristics of ultra-soft ground in Tianjin Port
YIN Chang-quan 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Due to its high compressibility, low permeability and low consolidation property, the treatment of ultra-soft soil is very difficult, and the common method is hardly effective. For the ultra-soft soil in Tianjin Port, th...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Reinforcement mechanism of slopes with yielding anchor cables based on numerical simulation of FLAC3D
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Reinforcement mechanism of slopes with yielding anchor cables based on numerical simulation of FLAC3D
ZHU An-long 1, ZHANG Yin 2, DAI Miao-lin 3, XU Jian-qiang 1 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The unloading deformation and range of the excavation slope are larger in high-ground stress or soft rock areas, and the ordinary bolt (cable) cannot meet the need of such deformation. So, exploring the new support measu...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Analysis and design of conversion structure of an underground substation combined with superstructure
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Analysis and design of conversion structure of an underground substation combined with superstructure
SU Yin-jun 1, 2, JIANG Bo 3, WENG Qi-ping 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Hongyang Substation is combined with the upper part of the building of deep buried underground substation, and it can well solve the contradictions between urban electricity and land use tension. However, in power system...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Centrifugal model tests on excavation of twin parallel tunnels
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Centrifugal model tests on excavation of twin parallel tunnels
MIAO Lin-chang 1, WANG Fei 1, Charles W. W. Ng 2, LÜ Hu 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The excavation construction of twin parallel tunnels is simulated by using centrifugal model tests. The internal stress and deformation variation of shield structure of the existing tunnel and the ground surface settleme...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Centrifugal model tests on new type structure of CFRD
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Centrifugal model tests on new type structure of CFRD
LI Cong-an , WEN Song-lin , LI Bo , HU Bo · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The deformation properties of CFRD (concrete face rockfill dam) are studied through centrifuge tests by building concrete cover plate on the alluvium foundation. Three centrifugal model tests are conducted for the purpos...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Centrifuge tests on behaviors of soft clay subgrade under cyclic loading
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Centrifuge tests on behaviors of soft clay subgrade under cyclic loading
QIAN Jian-gu 1, 2, WANG Qi-wei 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
A couple of key test technologies for dynamic centrifuge modeling and the permanent deformation responses of saturated clay to cyclic loading are introduced. The rigid pavement is used in the model system. The subgrade b...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Discussions on elastic parameters of soil for land subsidence caused by decompression of confined aquifer in deep excavation
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Discussions on elastic parameters of soil for land subsidence caused by decompression of confined aquifer in deep excavation
LIANG Fa-yun , JIA Ya-jie , DENG Hang , YAO Xiao-qing · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The relationships among the soil shear modulusobtained by oedometer tests, by pumping tests and the initial shear modulusof hardening soil small (HSS) model for soft soil under sensitive circumstance in Shanghai and Tia...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental study on consolidation characteristics of polyacrylamide-modified lime-stabilized dredger fill
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Experimental study on consolidation characteristics of polyacrylamide-modified lime-stabilized dredger fill
LEI Hua-yang 1, 2, XU Ying-gang 1, LI Xin 1, LIU Guang-xue 1, JIN Ya-wei 3 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The technology of dredger fill treatment becomes one of the technical difficulties in soft soil foundation treatment. The compressive strength and shear strength of dredger fill can be improved by adding lime and other s...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental study on dynamic characteristics of structural soft clay under different vibration frequencies
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Experimental study on dynamic characteristics of structural soft clay under different vibration frequencies
Key Laboratory of Soft Soil Characteristics and Engineering Environment of Tianjin, Tianjin Chengjian University,Tianjin 300384, China · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
To study the influence of frequency on the dynamic characteristics of structural soft clay, a series of dynamic triaxial tests based on the two kinds of waveforms and different vibration frequencies are performed. The re...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental study on residual strength and index of shear strength characteristics of different clay soils
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Experimental study on residual strength and index of shear strength characteristics of different clay soils
XU Cheng-shun , WANG Xin , DU Xiu-li , DAI Fu-chu , WANG Guo-sheng , GAO Yan · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Using the ring shear apparatus, the variation rules of residual strength of 17 saturated claysoil samples with different plasticity indices under different consolidation conditions are studied. The influences of current ...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Failure mechanism and setback distance of single pile subjected to normal faulting
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Failure mechanism and setback distance of single pile subjected to normal faulting
CAI Qi-peng 1, NG C. W. W. 2, CHEN Xing-xin 1, GUO Li-qun 1 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Field case studies after earthquake show that pile foundation can be severely damaged by bedrock fault movement. The failure mechanism of this type of foundation damage is not yet fully understood. Centrifuge modeling of...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Failure mechanisms of embankment on inclined soft foundation reinforced by CFG Piles
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Failure mechanisms of embankment on inclined soft foundation reinforced by CFG Piles
GU Xing-wen 1,2, TAN Xiang-shao 3, HUANG Wei-wang 3, REN Guo-feng 1,2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Four groups of centrifugal model tests are performed to investigate the failure mechanisms of embankment on inclined soft foundation reinforced by CFG piles. The tests simulate four kinds of grounds: natural inclined sof...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Filed model tests on bearing behavior of mudstone tunnel anchorage
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Filed model tests on bearing behavior of mudstone tunnel anchorage
LIU Xin-rong 1, 3, LI Dong-liang 1,3, , WU Xiang-chao 1, 2, 3, LI Wei-shu 2, ZHANG Rui1, 3, FU Yan 4 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
To study the deformation, failure and long-term stability of soft surrounding rock (mudstone) tunnel anchorage under heavy loads, the Changjiang River Bridge under construction is taken as an example, in which 1∶30 red...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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