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Analysis and precautionary measures of engineering accidents of composite foundations with long and short piles
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Analysis and precautionary measures of engineering accidents of composite foundations with long and short piles
LIN Zhi-qiang 1, 2, HUANG Wei-da 1, 2, JIANG Yan-bin 3, ZHONG Gui-rong 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Based on an engineering qualitative accident instance of composite foundation with long and short piles, the field investigation and foundation deformation monitoring are conducted. The causes of engineering qualitative ...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Evaluation of soft soil engineering characteristics of Sanya New Airport from CPTU data
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Evaluation of soft soil engineering characteristics of Sanya New Airport from CPTU data
PENG Peng 1, 2, CAI Guo-jun 1, 2, LIU Song-yu 1,2, ZHU Liu-wen 3, ZHAO Jian 4, XIA Han 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The new airport project in Sanya planned by government of Hainan Province of China, is located at Hongtangwan of Sanya City, that is, to build an offshore airport with an area of a 28 square kilometers. The construction ...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Mechanism and application of using engineering defect to prevent and control rock burst
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Mechanism and application of using engineering defect to prevent and control rock burst
PAN Li-you 1, 2, WEI Hui 3, CHEN Li-qiang 3, DUAN Da-yong 3, LIU Hong-jun 4 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Based on the complete researches on rock burst, the prevention and control situations and development tendency of rock burst are analyzed. The prevention and control idea of high stress and high energy rock burst is put ...
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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Advances in hydro-mechanical behaviors of buffer materials under effect of technological gaps
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Advances in hydro-mechanical behaviors of buffer materials under effect of technological gaps
CHEN Yong-gui 1, JIA Ling-yan 1, YE Wei-min 1, CUI Yu-jun 1, 2, CHEN Bao 1, WANG Ju 3 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The self-sealing and self-healing behaviors of technological gaps in a high-level radioactive waste repository are analyzed. The systematical findings are summarized based on the previous studies on the effects of techno...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental study on parameters of HSS model for soft soils in Shanghai
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Experimental study on parameters of HSS model for soft soils in Shanghai
LIANG Fa-yun 1, 2, JIA Ya-jie 1, 2, DING Yu-jin 1, 2, HUANG Mao-song 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The HS-Small model, which can reflect the attenuation of shear modulus of soils with strain in tiny strain range, has been gradually utilized in excavation engineering. The laboratory tests using triaxial apparatus, oedo...
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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Introduction and analysis of an accident in a shield tunnel
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Introduction and analysis of an accident in a shield tunnel
ZHENG Gang 1, 2, CUI Tao 1, 2, CHENG Xue-song 1,2, SUN Ji-bin 1, 2, GE Long-bo 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The right line tunnel is leaked and the segments are damaged due to an accident happening to TBM tunneling on running section in a city. The general situations of the project, the accident process and the emergency measu...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Model tests on bearing characteristics of basalt fiber-reinforced concrete tunnel linings
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Model tests on bearing characteristics of basalt fiber-reinforced concrete tunnel linings
CUI Guang-yao 1, WANG Dao-yuan 2,3,4, NI Song-zhi 1, ZHU Chang-an 5, YUAN Jin-xiu 2, ZHOU Ji-min 6 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Basalt fiber is a kind of inorganic material, which is effective and environmentally friendly. Basalt fiber concrete has important mechanical advantages to control the deformation of soft rock tunnels because it has func...
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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Characteristics of deep-seated crack in dam site of Yebatan Hydropower Station
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Characteristics of deep-seated crack in dam site of Yebatan Hydropower Station
LIU Lian-jia , ZHAO Qi-hua , HAN Gang · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
There is a series of symmetric deep-seated cracks (DSC) in the abutment slope of Yebatan Hydropower Station. The special geological phenomenon is analyzed to provide a scientific basis for a comprehensive analysis on roc...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Development and application of model test system for inrush of water and mud of tunnel in fault rupture zone
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Development and application of model test system for inrush of water and mud of tunnel in fault rupture zone
ZHANG Qing-song , WANG De-ming , LI Shu-cai , ZHANG Xiao , TAN Ying-hua , WANG Kai · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
In order to study disaster evolutionary process and failure characteristics of Yonglian tunnel of Ji'an-Lianhua highway under the effect of disturbance, taking F2 fault fracture zone as the research object, a large-scale...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental studies on vacuum preloading incorporated with electro-osmosis consolidation for dredger fill
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Experimental studies on vacuum preloading incorporated with electro-osmosis consolidation for dredger fill
SUN Zhao-hua 1, 2, YU Xiang-juan 2, GAO Ming-jun 2, WU Kun 1 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The dewatering effect of dredger fill using the vacuum preloading incorporated with electro-osmosis in different ways is evaluated by implementing six laboratory tests. The test results show that the asynchronous consoli...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Experimental study and water-resistant mechanism of gaskets in joints of tunnel segments
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Experimental study and water-resistant mechanism of gaskets in joints of tunnel segments
DONG Lin-wei , JIANG Yu-sheng , YANG Zhi-yong , CHENG Jin-guo , LIU Chao-qun , ZHANG Jia-jian · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
As the water pressure of shield tunnel increases, the key to tunnel construction is to strengthen the water resistance of joints. By analyzing the characteristics of stress and deformation of the gaskets in the joints of...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Gas permeability of intact Q3 loess under isotropic stresses
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Gas permeability of intact Q3 loess under isotropic stresses
CHEN Cun-li 1, 2, ZHANG Deng-fei 1, 2, ZHANG Jie 3, CHEN Hui 1, YANG Fan 1, WU Kang 1 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The tests are performed to study the gas permeability of unsaturated intact Q3 loess with various water contents under different isotropic stresses using the improved triaxial gas permeability equipment. The influences o...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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In-situ measurement of rock permeability based on pneumatic tests in boreholes
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In-situ measurement of rock permeability based on pneumatic tests in boreholes
CAO Yuan , NIU Guan-yi , WANG Tie-liang · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The in-situ measurement formula for rock permeability is derived based on the theory of steady gas seepage. A rough judgement method for Darcy seepage in engineering is given based on the Pavlovsky’s Reynolds number fo...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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In-situ tests and thermo-mechanical bearing characteristics of friction geothermal energy piles
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In-situ tests and thermo-mechanical bearing characteristics of friction geothermal energy piles
LU Hong-wei 2, JIANG Gang 1, WANG Hao 1, HONG Xin 3, SHI Chun-le 4, GONG Hong-wei 5, LIU Wei-qing 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Geothermal energy pile is the new pile technology that combines the ground source heat pump technology and building pile foundation. Due to the pile as the heat transfer carrier of ground source heat pumps, the bearing c...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Load-settlement rules and calculation of foundation piles in karst cave
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Load-settlement rules and calculation of foundation piles in karst cave
JIANG Wu-jun 1, YAN Ding-yuan 1, WANG Ming-ming 2, LI Yu 3, CHENG Hua-wei 2, JIANG Chong 3, CHENG Zhao 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
In order to study the influence of the backfill characteristics of the large karst area on the load transfer of the pile foundation and to improve the safety and economy, considering the characteristics of the side frict...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Model tests on carbonated reactive MgO mixing piles
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Model tests on carbonated reactive MgO mixing piles
LIU Song-yu 1, 2, CAI Guang-hua 1,2, DU Guang-yin 1, 2, WANG Liang 1, 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The soft soils can meet the bearing needs of the constructions and infrastructures through the appropriate artificial treatment, and the carbonated MgO-mixing pile method is an innovative foundation treatment technology,...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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New experimental method for loess collapsibility using centrifugal model tests
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New experimental method for loess collapsibility using centrifugal model tests
XING Yi-chuan 1, JIN Song-li 1, ZHAO Wei-quan 1, ZHANG Ai-jun 2, AN Peng 3, ZHANG Bo 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The methods for loess collapsibility mainly include field immersion testing method and laboratory testing method. A majority of the results of laboratory testing method differ greatly from the engineering practice. The d...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Refinement and application of variable particle-size methods in 3D discrete element modelling for large-scale problems
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Refinement and application of variable particle-size methods in 3D discrete element modelling for large-scale problems
DENG Yi-bing 1, YANG Yan-cheng 2, 1, SHI Dan-da 1 , LIU Wen-bai 1 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
A refinement method is proposed to solve the difference in the macroscopic elasticity and the interpenetration in interface area between different particle-size areas in the DEM. In simulations of 3D DEM large-scale prob...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Reinforcement technology for vacuum preloading combined with lime mixing method for soft soil foundation
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Reinforcement technology for vacuum preloading combined with lime mixing method for soft soil foundation
LIU Ai-min · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
When the vacuum preloading method is used to reinforce the flowing mud, the settlement of the foundation is relatively large and the water content is also greatly reduced, but sometimes the vane shear strength is still l...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Simplified method for settlement calculation of rigid pile composite foundation in soft soils
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Simplified method for settlement calculation of rigid pile composite foundation in soft soils
YANG Guang-hua 1, 2, 3, XU Chuan-bao 1, LI Zhi-yun 1, JIANG Yan 2, 3, ZHANG Yu-cheng 2, 3 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
To find a simple and precise settlement calculation method for rigid pile composite foundation is still an urgent problem which is not solved as yet. For the settlement calculation of rigid pile composite foundation in s...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Some problems in numerical analyses of basal upheaval stability of foundation pits
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Some problems in numerical analyses of basal upheaval stability of foundation pits
WANG Cheng-hua , LI Ya-jie · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Numerical analysis of basal upheaval stability of foundation pits is a very important method in researches on deep excavation engineering, which is in the initial development stage and is of important issues remained to ...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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