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Deviation correction strategy for the earth pressure balance shield based on shield–soil interactions

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0676-4

Abstract: The control system presently used in shield posture rectification is based on driver experience, whichdecision-making approach for the deviation correction trajectory and posture rectification load for an earthpressure balance (EPB) shield is proposed.among the cutter head, shield shell, and ground.The additional position change during the shield attitude correction is highlighted.

Keywords： additional position change     deviation correction trajectory     earth pressure balance shield     mechanical    

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

Rolf Zumsteg, Lars Langmaack

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

Abstract: For drillings with the less common earth pressure balanced mode (EPBM), continuous foam conditioningIf the disposal of chemically treated soft soil material from the earth pressure balanced (EPB) drive

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

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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: Soil conditioning is essential for addressing the stratum applicability problem of earth pressure balance

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 inBased on the test results, the interrelationships between chamber pressure and mucking efficiency, muckingSuch 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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Identification of abnormal operating conditions and intelligent decision system

Xiuliang LI, Junjie JIANG, Hongye SU, Jian CHU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 456-462 doi: 10.1007/s11465-011-0224-0

Abstract:

In earth pressure balance (EPB) shield construction, the “plastic flow state” is difficult

Keywords： earth pressure balance (EPB) shield machine     soil pressure cabin     abnormal operating condition     belief rule-base    

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Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1480-1493 doi: 10.1007/s11709-021-0776-y

Abstract: This paper proposes a general analytical method to evaluate the seismic active earth pressure on a retainingthrust, and iii) deduction for the earth pressure distribution.thrust and pressure are derived by using the upper bound theorem.pressure.pressure.

Keywords： seismic active earth pressure     partial seepage flow     pore pressure     anisotropy     upper bound theorem    

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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.Pressure regulation of thrust cylinders is the most important function for thrust system during tunnelPressure regulation of a certain group’s cylinders has little influence on regulation of the otherPump displacement may have a greater effect on pressure regulation and oil supply flow rate should beA exacting situation is simulated to explain how pressure regulation works during tunnel excavation.

Keywords： tunnel     hydraulic thrust system     pressure regulation     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 forPressure maintenance openings are typically used under complicated hydrogeological conditions.Owing to the high risk of face failure, the necessity of support pressure when cutterhead support isThe required compressed air pressure increases significantly as the support ratio decreases.and range at the shield end are provided based on different cutterhead aperture ratios.

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

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Technology of strengthening soil and keeping pressure of large diameter slurry shield inside with highpressure

Meng Haifeng,Su Qinggui,Zhai Zhiguo

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 70-74

Abstract: the engineering example of underground diameter project replacing the cutter teeth inside with high pressureThe causes of gas leakage of inside with high pressure were analyzed, and the countermeasures were proposedfor assuring the normal construction of shield.

Keywords： shield     inside with high pressure     keep pressure     grouting    

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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 earthand water pressure.Preventing the occurrence of hydraulic fracturing in a slurry shield requires investigating the effectsThe fracturing pressure increases linearly with the increase in the circumferential pressure, but itis almost independent of the axial pressure.

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

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Coulomb-type solutions for passive earth pressure with steady seepage

WANG Junjie, CHAI Hejun, LIN Xin, XU Jiamei

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 56-66 doi: 10.1007/s11709-008-0001-2

Abstract: Present paper deals with the computing of passive earth pressure acting on the vertical rigid retainingThree Coulomb-type solutions for the passive earth pressures are presented for the walls provided withsolutions, the variations of the critical inclination of the failure surface and the coefficient of passive earthpressure with increasing the effective friction angle of the soil mass, the soil/structure frictionTwo tables with values of the coefficients of passive earth pressure for Cases 1 and 3 respectively are

Keywords： function     coefficient     Coulomb-type     effective friction     different drainage    

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Research on depth of earth cover for shield tunnel anti-buoyancy security

Liu Xueyan,Yuan Dajun and Jiang Xi

Strategic Study of CAE 2015, Volume 17, Issue 1,   Pages 88-95

Abstract:

The depth of earth cover for tunnel anti-buoyancy security during construction and operation was analyzedThe formula of depth of earth cover for anti-buoyancy security of tunnel during construction was givenThe weight of earth cover for tunnel was suggested to consider as unique factor for tunnel security duringAnd it also provided theoretical foundation for the set depth of earth cover for anti-buoyancy securityof other shield tunnels under river or sea.

Keywords： anti-buoyancy security； tunnel construction period； tunnel operation period； depth of earth cover    

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

Cheng Mingliang,He Feng,Lv Chuantian

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

Abstract: experience in Beijing Railway underground project, the changing cutter and welding techniques with high pressureof slurry shield under deep water-rich sandy gravel stratum were summarized.One is to choose an appropriate position and an appropriate working pressure for making a good previousDuring the repair welding, we successfully realized going into the excavation chamber with high pressurefor more than 250 times, and the working pressure rose from 0.9 bar(1 bar=100 kPa) to 2.8 bar with no

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

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Heavy vehicle dynamics with balanced suspension based on enveloping tire model

Yongjie LU, Shaopu YANG, Shaohua LI

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 476-482 doi: 10.1007/s11465-010-0120-z

Abstract: Based on D’Alembert principle, an integral balanced suspension (IBS) model is established, consideringThe sprung mass accelera- tion and tire dynamic force for balanced suspension and the traditional quarter-vehicle

Keywords： heavy vehicle     integral balanced suspension     enveloping properties     ride comfort     road-friendliness    

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Development of High-Pressure Multigrain X-Ray Diffraction for Exploring the Earth’s Interior Review

Li Zhang, Hongsheng Yuan, Yue Meng, Ho-kwang Mao

Engineering 2019, Volume 5, Issue 3,   Pages 441-447 doi: 10.1016/j.eng.2019.02.004

Abstract: Mineralogical and petrological experiments on realistic bulk compositions under high pressure–temperatureThe structures of these lower mantle phases often cannot be preserved upon pressure quenching; thus,Our recent development of multigrain XRD in high-pressure research has enabled the indexation of hundredsexplains key challenges in studying multiphase systems and demonstrates the unique capabilities of high-pressure

Keywords： High pressure     Synchrotron X-ray     Multigrain     Diamond anvil cell     Minerals     Petrology     Earth’s interior    

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Title Author Date Type Operation

Deviation correction strategy for the earth pressure balance shield based on shield–soil interactions

Journal Article

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

Rolf Zumsteg, Lars Langmaack

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

Identification of abnormal operating conditions and intelligent decision system

Xiuliang LI, Junjie JIANG, Hongye SU, Jian CHU

Journal Article

Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Journal Article

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

Zhibin LIU, Haibo XIE, Huayong YANG

Journal Article

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

Journal Article

Technology of strengthening soil and keeping pressure of large diameter slurry shield inside with highpressure

Meng Haifeng,Su Qinggui,Zhai Zhiguo

Journal Article

Experimental study on slurry-induced fracturing during shield tunneling

Teng WANG, Dajun YUAN, Dalong JIN, Xinggao LI

Journal Article

Coulomb-type solutions for passive earth pressure with steady seepage

WANG Junjie, CHAI Hejun, LIN Xin, XU Jiamei

Journal Article

Research on depth of earth cover for shield tunnel anti-buoyancy security

Liu Xueyan,Yuan Dajun and Jiang Xi

Journal Article

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

Cheng Mingliang,He Feng,Lv Chuantian

Journal Article

Heavy vehicle dynamics with balanced suspension based on enveloping tire model

Yongjie LU, Shaopu YANG, Shaohua LI

Journal Article

Development of High-Pressure Multigrain X-Ray Diffraction for Exploring the Earth’s Interior

Li Zhang, Hongsheng Yuan, Yue Meng, Ho-kwang Mao

Journal Article