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Experimental study on slurry-induced fracturing during shield tunneling

Teng WANG, Dajun YUAN, Dalong JIN, Xinggao LI

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 333-345 doi: 10.1007/s11709-021-0718-8

Abstract: Facial support in slurry shield tunneling is provided by slurry pressure to balance the external earthHydraulic fracturing may occur and cause a significant decrease in the support pressure if the slurryPreventing the occurrence of hydraulic fracturing in a slurry shield requires investigating the effectsIn this study, a hydraulic fracturing apparatus was developed to test the slurry-induced fracturing ofsample parameters and loading conditions, including types of holes, unconfined compressive strength, slurry

Keywords： slurry shield tunneling     hydraulic fracturing test     fracturing pressure     fracture dip     unconfined compressivestrength     slurry viscosity    

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Mechanized Tunneling in Soft Soils: Choice of Excavation Mode and Application of Soil-Conditioning Additives

Rolf Zumsteg, Lars Langmaack

Engineering 2017, Volume 3, Issue 6,   Pages 863-870 doi: 10.1016/j.eng.2017.11.006

Abstract: Mechanized tunneling must adapt to the presence of sound and altered rock, as well as to inhomogeneousMost tunnels in the past were drilled using the slurry mode (SM), in which the application of different

Keywords： Soil conditioning     Earth pressure balanced shield     Slurry shield     Mechanized tunneling    

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Analysis of load and adaptability of disc cutters during shield tunneling in soft–hard varied strata

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 533-545 doi: 10.1007/s11709-023-0946-1

Abstract: The disc cutters of shield machines exhibit unsatisfactory adaptability and performance during the soft–hardvaried strata tunneling process.To analyze the rotation state, cutting performance, and adaptability of disc cutters during shield tunnelingA greater penetration is suggested for soft-strata tunneling to allow the disc cutters to rotate smoothly

Keywords： shield tunneling     disc cutter load     laboratory excavation test     numerical calculation     soft–hard varied    

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Prediction of shield tunneling-induced ground settlement using machine learning techniques

Renpeng CHEN, Pin ZHANG, Huaina WU, Zhiteng WANG, Zhiquan ZHONG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1363-1378 doi: 10.1007/s11709-019-0561-3

Abstract: Predicting the tunneling-induced maximum ground surface settlement is a complex problem since the settlementnetwork (GRNN), extreme learning machine, support vector machine and random forest (RF), to predict tunneling-inducedField data sets including geological conditions, shield operational parameters, and tunnel geometry collectedThe results indicated that ML algorithms have great potential to predict tunneling-induced settlementalgorithms show the best performance among six ML algorithms, which accurately recognize the evolution of tunneling-induced

Keywords： EPB shield     shield tunneling     settlement prediction     machine learning    

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Model test and discrete element method simulation of shield tunneling face stability in transparent clay

Huayang LEI, Yajie ZHANG, Yao HU, Yingnan LIU

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 147-166 doi: 10.1007/s11709-020-0704-6

Abstract: The stability of the shield tunneling face is an extremely important factor affecting the safety of tunnelThe stability of the shield tunneling face (failure mode, influence range, support force, and surfacetests is performed to investigate the active failure mode, influence range, and support force of the shieldtunneling face under different burial depth conditions, whereas particle flow code three-dimensionalnumerical simulations are conducted to verify the failure mode of the shield tunneling face and surface

Keywords： shield tunneling face     stability     transparent clay     model test     numerical simulation    

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Drive system design and error analysis of the 6 degrees of freedom segment erector of shield tunneling

Hu SHI, Guofang GONG, Huayong YANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 369-376 doi: 10.1007/s11465-011-0223-1

Abstract:

Focusing on a segment erector of a shield-tunneling machine developed with 6 degrees of freedom (DOF

Keywords： shield tunneling machine     segment erector     kinematics     position and attitude precision    

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Clogging of slurry-shield tunnel-boring machine drives in sedimentary soft rock: A case study

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0984-8

Abstract: This paper presents a case study of the clogging of a slurry-shield tunnel-boring machine (TBM) experiencednegative impact on the slurry-shield TBM tunneling performance.In this case study, the effect of clogging on the slurry-shield TBM tunneling performance (e.g., advancewere proven to be effective in mitigating the clogging potential of slurry-shield TBMs.This case study provides valuable information for slurry-shield TBMs involving tunneling in clay-rich

Keywords： slurry-shield TBM     geological investigation     clogging     argillaceous siltstone     TBM performance     mitigation    

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Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 377-382 doi: 10.1007/s11465-011-0226-y

Abstract:

Hydraulic thrust system is an important system in a shield tunneling machine.

Keywords： tunnel     hydraulic thrust system     pressure regulation     simulation    

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Research on large slurry shield excavation parameter control under complex conditions

Wang Baiquan,Ren Yong,Jin Zhongxiang,Gu Yanqi

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 65-69

Abstract: Some measures for shield posture control and a brief introduction on synchronized grouting parametersand slurry cycle system were also given.In the end, a conclusion on the importance of excavation parameter and slurry density in machine excavation

Keywords： slurry shield     excavation parameter     synchronized grouting     slurry cycling     shield posture    

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Experimental study on the stratum applicability and mechanisms of bubble–slurry for earth pressure balance

Frontiers of Structural and Civil Engineering   Pages 1387-1399 doi: 10.1007/s11709-023-0005-y

Abstract: Typically, foam combined with polymers and slurry is used to solve spewing.However, in current techniques, slurry, foam, and the other agents are mixed with soil separately, theirIn this study, an anionic surfactant was used to foam in bentonite slurry to form bubble–slurry to maximizethe synergy between bubbles and slurry.The slump, volume stability, and permeability test of bubble–slurry-conditioned sand was conducted to

Keywords： EPB shield     bubble–slurry     soil conditioning     stability     permeability    

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Experimental study on working parameters of earth pressure balance shield machine tunneling in soft ground

ZHU Hehua, LIAO Shaoming, XU Qianwei, ZHENG Qizhen

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 350-358 doi: 10.1007/s11709-008-0051-5

Abstract: In order to study the stratum adaptability of earth pressure balance (EPB) shield machine tunneling insuch types of soft ground, model tests of tunneling excavation, using the running tunnel of the ShanghaiSuch findings can not only facilitate establishing relationships between shield working parameters andsoil properties, but also serve as a guide for the design and construction of shield tunnel in soft

Keywords： construction     different     coastal     conveyor     excavation    

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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:

Aiming to the slurry shield construction of underground diameter projectfrom Beijing railway station to Beijing railway west station, the optimum slurry ratio in the conditionwas proposed through the proportional tests, which improved the forming quality and velocity of the slurry

Keywords： slurry shield     sandy gravel stratum     proportion of slurry    

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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: style="text-align: justify;">Through the statistical analysis of the technical data which based on shieldtunneling, comprehensively considering the information of water-rich sandy gravel stratum, such as thetunneling parameter of the slurry shield machine, slurry parameter, shield posture and stratum deformationempirical formula of the main parameters of synchronized grouting technologies is determined while the slurryshield is tunneling in sandy gravel stratum.

Keywords： sandy gravel stratum     slurry shield     synchronous grouting     construction technology    

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The adaptability analysis of cutter tool to slurry shield of Beijing railway underground diameter line

He Feng,Li Xiaogang,Sun Shanhui

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 35-40

Abstract:

Based on the underground diameter line engineering experience from Beijing railway station to Beijing railway west station, through the application contrast of various cutter tool configurations under sandy gravel, a detailed comparative analysis of cutter tool adaptability was done focusing before and after transformation. The key issues were proposed about cutter tool configuration under sandy gravel, which can be reference to similar projects.

Keywords： diameter line     slurry shield     cutter tool     adaptability    

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Shield tunneling technology of Shiziyang subaqueous tunnel of Guangzhou-Shenzhen-Hongkong high-speed

Hong Kairong and ,Du Chuangdong,Wang Kun

Strategic Study of CAE 2009, Volume 11, Issue 7,   Pages 53-58

Abstract: Basing on the engineering geology environment and adopted tunneling technology of Shiziyang tunnel construction, the thesis introduces comprehensively design and tunneling technology of the tunnel, also puts forwardIn the project, tunneling is going to be carried out by shield machine from both portals, which is also

Keywords： Guangzhou-Shenzhen-Hongkong high-speed railway     subaqueous tunnel     butt-tunneling by shield    

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Title Author Date Type Operation

Experimental study on slurry-induced fracturing during shield tunneling

Teng WANG, Dajun YUAN, Dalong JIN, Xinggao LI

Journal Article

Mechanized Tunneling in Soft Soils: Choice of Excavation Mode and Application of Soil-Conditioning Additives

Rolf Zumsteg, Lars Langmaack

Journal Article

Analysis of load and adaptability of disc cutters during shield tunneling in soft–hard varied strata

Journal Article

Prediction of shield tunneling-induced ground settlement using machine learning techniques

Renpeng CHEN, Pin ZHANG, Huaina WU, Zhiteng WANG, Zhiquan ZHONG

Journal Article

Model test and discrete element method simulation of shield tunneling face stability in transparent clay

Huayang LEI, Yajie ZHANG, Yao HU, Yingnan LIU

Journal Article

Drive system design and error analysis of the 6 degrees of freedom segment erector of shield tunneling

Hu SHI, Guofang GONG, Huayong YANG

Journal Article

Clogging of slurry-shield tunnel-boring machine drives in sedimentary soft rock: A case study

Journal Article

Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Journal Article

Research on large slurry shield excavation parameter control under complex conditions

Wang Baiquan,Ren Yong,Jin Zhongxiang,Gu Yanqi

Journal Article

Experimental study on the stratum applicability and mechanisms of bubble–slurry for earth pressure balance

Journal Article

Experimental study on working parameters of earth pressure balance shield machine tunneling in soft ground

ZHU Hehua, LIAO Shaoming, XU Qianwei, ZHENG Qizhen

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

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

Zhang Changqiang,Zhai Zhiguo,Chen Mingjuan,Jin Zhongxiang

Journal Article

The adaptability analysis of cutter tool to slurry shield of Beijing railway underground diameter line

He Feng,Li Xiaogang,Sun Shanhui

Journal Article

Shield tunneling technology of Shiziyang subaqueous tunnel of Guangzhou-Shenzhen-Hongkong high-speed

Hong Kairong and ,Du Chuangdong,Wang Kun

Journal Article