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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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Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 522-532 doi: 10.1007/s11709-023-0930-9

Abstract: Owing to long-distance advancement or obstacles, shield tunneling machines are typically shut down forEngineering safety during maintenance outages is determined by the stability of the tunnel face.The tunnel face is supported by a medium at the bottom of the excavation chamber and compressed air atOwing to the high risk of face failure, the necessity of support pressure when cutterhead support isrequirement of chamber openings at atmospheric pressure, the stratum reinforcement strength and range at the shield

Keywords： tunnel face stability     cutterhead configuration     aperture ratio     pressure gradient     support ratio    

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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 tunnelingconstitutive models are introduced to numerically simulate the failure process of materials on the excavation faceThe tangential loads of the disc cutters during the cutting of four typical soft-strata excavation face

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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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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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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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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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 earthpressure if the slurry pressure exceeds the threshold of the soil or rock material, resulting in a serious facePreventing the occurrence of hydraulic fracturing in a slurry shield requires investigating the effects

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

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A real-life stability model for a large shield-driven tunnel in heterogeneous soft soils

Xinyu HU, Zixin ZHANG, Scott KIEFFER

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 176-187 doi: 10.1007/s11709-012-0149-7

Abstract: The current models that have been published to date only allow for homogeneous soil at the tunnel faceThis paper presents a real-life face stability model to determine the minimal pressure needed at thetunnel face for a large shield-driven tunnel in heterogeneous soft soils.mixed-layer soils are conducted, and the effects of the involved parameters for a large, multilayered, shield-driven

Keywords： analytical solution     shield-driven tunnel     multilayered soil     face stability    

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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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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 inhomogeneous

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

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The influence of hand hole on the ultimate strength and crack pattern of shield tunnel segment joints

Shaochun WANG, Xi JIANG, Yun BAI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1200-1213 doi: 10.1007/s11709-019-0546-2

Abstract: With the shield tunnel going deeper and deeper, the circumferential axial force becomes the governingDespite the wide application of steel fiber or synthetic fiber in the tunneling, limited researches focus

Keywords： shield tunneling     structural synthetic fiber concrete     hand hole     segment joint     ultimate bearing capacity    

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Prediction of Disc Cutter Life During Shield Tunneling with AI via the Incorporation of a Genetic Algorithm Article

Khalid Elbaz, Shui-Long Shen, Annan Zhou, Zhen-Yu Yin, Hai-Min Lyu

Engineering 2021, Volume 7, Issue 2,   Pages 238-251 doi: 10.1016/j.eng.2020.02.016

Abstract:

Disc cutter consumption is a critical problem that influences work performance during shield tunnelingWith the proposed model, monitoring data including the shield performance database, disc cutter consumptionThe results of this study can be beneficial in both the planning and construction stages of shield tunneling

Keywords： Disc cutter life     Shield tunneling     Operational parameters     GMDH–GA    

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Shield Driven Tunneling in the Complex Layer：Direction Control of Shield and Preventing Segment Crack

Tan Zhongsheng,Hong Kairong,Wan Jianglin,Wang Mengshu

Strategic Study of CAE 2006, Volume 8, Issue 12,   Pages 92-96

Abstract: So it is difficult to excavate successfully and control the tunneling direction and shield tunnelingIn order to control the tunneling direction and shield tunneling attitude more successfully, the reasonof direction warp was studied and the actual measure data of Yue-San shield tunneling zone were analyzedAt last, the reason and the rule of direction warp were got and many methods to control shield tunneling

Keywords： mixed ground     tunnel     attitude control     segment crack     segment dislocation    

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Typical Underwater Tunnels in the Mainland of China and Related Tunneling Technologies

Kairong Hong

Engineering 2017, Volume 3, Issue 6,   Pages 871-879 doi: 10.1016/j.eng.2017.12.007

Abstract: tunnels have been constructed in the mainland of China, and great progress has been made in related tunnelingpresents the history and state of the art of underwater tunnels in the mainland of China in terms of shield-bored

Keywords： Underwater tunnel     Strait-crossing tunnel     Shield-bored tunnel     Immersed tunnel     Drill and blast    

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Title Author Date Type Operation

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

Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

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

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

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

Zhibin LIU, Haibo XIE, Huayong YANG

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

Experimental study on slurry-induced fracturing during shield tunneling

Teng WANG, Dajun YUAN, Dalong JIN, Xinggao LI

Journal Article

A real-life stability model for a large shield-driven tunnel in heterogeneous soft soils

Xinyu HU, Zixin ZHANG, Scott KIEFFER

Journal Article

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

Hong Kairong and ,Du Chuangdong,Wang Kun

Journal Article

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

Rolf Zumsteg, Lars Langmaack

Journal Article

The influence of hand hole on the ultimate strength and crack pattern of shield tunnel segment joints

Shaochun WANG, Xi JIANG, Yun BAI

Journal Article

Prediction of Disc Cutter Life During Shield Tunneling with AI via the Incorporation of a Genetic Algorithm

Khalid Elbaz, Shui-Long Shen, Annan Zhou, Zhen-Yu Yin, Hai-Min Lyu

Journal Article

Shield Driven Tunneling in the Complex Layer：Direction Control of Shield and Preventing Segment Crack

Tan Zhongsheng,Hong Kairong,Wan Jianglin,Wang Mengshu

Journal Article

Typical Underwater Tunnels in the Mainland of China and Related Tunneling Technologies

Kairong Hong

Journal Article