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Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Tiancheng WANG; Yu LIANG; Xiaoyong ZHANG; Zhihuan RUAN; Guoxiong MEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1196-1211 doi: 10.1007/s11709-022-0865-6

Abstract: Sandy gravel foundations exhibit non-linear dynamic behavior when subjected to strong ground motions,Grouting methods can be used to improve the seismic performance of natural sandy gravel foundations.The strength and stiffness of grouted sandy gravel foundations are different from those of natural foundationsFew studies have investigated the seismic behavior of sandy gravel foundations before and after groutinggravel foundation were lower than that of the non-grouted foundation under low-intensity earthquakes

Keywords： sandy gravel foundation     grouting-treated reinforcement     shaking table test     seismic behavior    

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Research and application of construction slurry of shield tunnel under water-rich sandy gravel stratum

Deng Hengyi,Xu Xueying,Chen Mingjuan

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 79-82

Abstract: Beijing railway station to Beijing railway west station, the optimum slurry ratio in the condition of sandygravel was proposed through the proportional tests, which improved the forming quality and velocity

Keywords： slurry shield     sandy gravel stratum     proportion of slurry    

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Study on ground settlement of large diameter slurry shield construction in water-rich sandy gravel stratum

Zhao Baohua,Hu Xibo,Zhang Bing,Li Wenjun

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 94-97

Abstract:

Beijing underground diameter project is located in the water-rich sandygravel formation, which is through many structures .Through the analysis of actual monitoring results

Keywords： water-rich sandy gravel     large diameter     slurry shield     settlement law    

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Tools repairing and welding techniques with high pressure of slurry shield under deep water-rich sandygravel stratum

Cheng Mingliang,He Feng,Lv Chuantian

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 46-50

Abstract: the changing cutter and welding techniques with high pressure of slurry shield under deep water-rich sandygravel stratum were summarized.

Keywords： slurry shield     sandy gravel stratum     water-rich layer     tools repair with high pressure     welding    

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Synchronous grouting of large diameter slurry shield in water-rich sandy gravel stratum

Zhang Changqiang,Zhai Zhiguo,Chen Mingjuan,Jin Zhongxiang

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 75-78

Abstract: technical data which based on shield tunneling, comprehensively considering the information of water-rich sandygravel stratum, such as the tunneling parameter of the slurry shield machine, slurry parameter, shieldparameters of synchronized grouting technologies is determined while the slurry shield is tunneling in sandygravel stratum.

Keywords： sandy gravel stratum     slurry shield     synchronous grouting     construction technology    

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Research on shallow tunneling construction method of large section tunnel under the water-rich sandygravel stratum

Tang Guorong,Liu Zhaowei,Li Jianhua

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 98-102

Abstract: stability, complex engineering environment and the higher control requirements of subsidence in water-rich sandygravel stratum of Beijing,which controlled the deformation of engineering structure,surrounding buildings

Keywords： sandy gravel stratum     large section     CRD method     hole pile     tunnel construction    

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Model test of stone columns as liquefaction countermeasure in sandy soils

Mengfei QU,Qiang XIE,Xinwen CAO,Wen ZHAO,Jianjun HE,Jiang JIN

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 481-487 doi: 10.1007/s11709-016-0355-9

Abstract: The test results show that when acceleration is less than 0.20 g, composite foundation is not liquefiedis 0.3g, ground outside embankment’s slope toe is liquefied and ground within stone column composite foundationIt is suggesting that reinforcement scale of stone column foundation should be widened properly.The designed stone column composite foundation meets the requirements for seismic resistance.

Keywords： stone column composite foundation     seismic liquefaction     shaking table test    

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Assessment of glass fiber-reinforced polyester pipe powder in soil improvement

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 742-753 doi: 10.1007/s11709-021-0732-x

Abstract: use of glass fiber-reinforced polyester (GRP) pipe powder (PP) for improving the bearing capacity of sandyaddition, the bearing capacity of the soil was estimated through a series of loading tests on a shallow foundationThe bearing capacity of sandy soil was improved by up to 30.7%.The ratio of the depth of the PP-reinforced soil to the diameter of the foundation model (H/D) of 1.25 could sufficiently strengthen sandy soil when the optimum PP ratio was used.

Keywords： shallow foundation     sandy soil     bearing capacity     soil improvement     pipe powder    

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Shield launching technology in the project of Beijing railway underground diameter project

Lv Chuantian,Zhai Zhiguo,Su Qinggui

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 59-64

Abstract:

Based on the introduction of building launching shaft and the shield launching of Beijing Rail Transit which constructed with a slurry shield machine by Ø12.04 m, some key technologies of shield launching were summarized in the urban areas and the water-rich grit stone geological conditions.

Keywords： urban     water-rich sandy gravel     big diameter     slurry shield     launching    

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economic impact analysis of process parameters change of large section slurry shield in urban water-rich sandygravel stratums

Wang Ying

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 108-112

Abstract:

Taking the underground diameter shield construction of Beijing railway for example, the choosing principles of process parameters in different engineering geo-conditions and changing boundary conditions were introduced. The cost difference and change were analyzed according to the analysis of construction efficiency and machine material consuming when the process parameters were adjusted.[

Keywords： shield construction     process parameter     cost analysis    

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Research and application on separation technology of slurry and water under sandy-gravel stratum

Wang Guangyu,Sun Shanhui,Su Qinggui

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 41-45

Abstract: This paper gives a summary on application technology of slurry and water separation in condition of sandy-gravels

Keywords： slurry tunnel machine     separation of slurry and water     filter-press    

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Research review of the cement sand and gravel (CSG) dam

Xin CAI, Yingli WU, Xingwen GUO, Yu MING

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 19-24 doi: 10.1007/s11709-012-0145-y

Abstract: The cement sand and gravel (CSG) dam is a new style of dam that owes the advantages both of the concrete

Keywords： cement sand and gravel (CSG) dam     cement sand and gravel (CSG) material     research review    

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Driving mechanisms of desertification process in the Horqin Sandy Land-a case study in Zhalute Banner

TANG Haiping, CHEN Yufu, LI Xinyu

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 487-493 doi: 10.1007/s11783-008-0061-5

Abstract: inter-annual variations of temperature and precipitation; TM remote sensing data was extracted to obtain the sandyBetween 1988 and 1997, the sandy land area increased by 12.5%, nearly 2.4 times in the farming section
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Evaluation of the stability of terraced slopes in clayey gravel soil using a novel numerical technique

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 796-811 doi: 10.1007/s11709-023-0922-9

Abstract: using the finite element method and considering the extended Cam–clay constitutive model for clayey gravel

Keywords： terraced slope     safety factor     finite element method     ABAQUS     extended Cam–clay    

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Effect of soil crust on evaporation and dew deposition in Mu Us sandy land, China

SUN Yongliang, LI Xiaoyan, XU Heye, YANG Zhipeng, TANG Jia, ZHANG Xiaoying

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 480-486 doi: 10.1007/s11783-008-0034-8

Abstract: The development of soil crust on sandy land may affect the surface hydrological process.sand, primitive biotic crust, and advanced biotic crust, respectively, in the south fringe of Mu Us sandydevelopment of biotic crust may potentially enhance the hydrological circulation in the upper sand layer in sandy
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Title Author Date Type Operation

Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Tiancheng WANG; Yu LIANG; Xiaoyong ZHANG; Zhihuan RUAN; Guoxiong MEI

Journal Article

Research and application of construction slurry of shield tunnel under water-rich sandy gravel stratum

Deng Hengyi,Xu Xueying,Chen Mingjuan

Journal Article

Study on ground settlement of large diameter slurry shield construction in water-rich sandy gravel stratum

Zhao Baohua,Hu Xibo,Zhang Bing,Li Wenjun

Journal Article

Tools repairing and welding techniques with high pressure of slurry shield under deep water-rich sandygravel stratum

Cheng Mingliang,He Feng,Lv Chuantian

Journal Article

Synchronous grouting of large diameter slurry shield in water-rich sandy gravel stratum

Zhang Changqiang,Zhai Zhiguo,Chen Mingjuan,Jin Zhongxiang

Journal Article

Research on shallow tunneling construction method of large section tunnel under the water-rich sandygravel stratum

Tang Guorong,Liu Zhaowei,Li Jianhua

Journal Article

Model test of stone columns as liquefaction countermeasure in sandy soils

Mengfei QU,Qiang XIE,Xinwen CAO,Wen ZHAO,Jianjun HE,Jiang JIN

Journal Article

Assessment of glass fiber-reinforced polyester pipe powder in soil improvement

Journal Article

Shield launching technology in the project of Beijing railway underground diameter project

Lv Chuantian,Zhai Zhiguo,Su Qinggui

Journal Article

economic impact analysis of process parameters change of large section slurry shield in urban water-rich sandygravel stratums

Wang Ying

Journal Article

Research and application on separation technology of slurry and water under sandy-gravel stratum

Wang Guangyu,Sun Shanhui,Su Qinggui

Journal Article

Research review of the cement sand and gravel (CSG) dam

Xin CAI, Yingli WU, Xingwen GUO, Yu MING

Journal Article

Driving mechanisms of desertification process in the Horqin Sandy Land-a case study in Zhalute Banner

TANG Haiping, CHEN Yufu, LI Xinyu

Journal Article

Evaluation of the stability of terraced slopes in clayey gravel soil using a novel numerical technique

Journal Article

Effect of soil crust on evaporation and dew deposition in Mu Us sandy land, China

SUN Yongliang, LI Xiaoyan, XU Heye, YANG Zhipeng, TANG Jia, ZHANG Xiaoying

Journal Article