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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) experiencedduring tunnel operations in clay-rich argillaceous siltstones under the Ganjiang River, China.The potential for clogging during tunnel operations in argillaceous siltstone was estimated using an

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

Field and laboratory experimental studies on hard-rock tunnel excavation based on disc cutter coupled

Frontiers of Structural and Civil Engineering   Pages 1370-1386 doi: 10.1007/s11709-023-0947-0

Abstract: The tunnel boring machine (TBM) is typically used in hard-rock tunnel excavation.during the operation of high-pressure waterjets, the ambient temperature and waterjet temperature in the tunnel

Keywords: tunnel boring machine     hard-rock cutting     free face     disc cutter     rock-cutting efficiency    

Lake Mead Intake No. 3

Jon Hurt, Claudio Cimiotti

Engineering 2017, Volume 3, Issue 6,   Pages 880-887 doi: 10.1016/j.eng.2017.11.007

Abstract: The project included a 185 m deep shaft, 4.7 km tunnel under very difficult geological conditions, anddeveloped to handle the difficult conditions that were encountered during tunneling with a dualmode slurry tunnel-boringmachine (TBM) in up to 15 bar (1 bar= 105 Pa) pressure.placement of the intake structure in the underwater shaft; and to the docking and connection to an intake tunnel

Keywords: Sub-aqueous tunneling     Tunnel-boring machine excavation     Water intakes    

QPSO-ILF-ANN-based optimization of TBM control parameters considering tunneling energy efficiency

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 25-36 doi: 10.1007/s11709-022-0908-z

Abstract: In recent years, tunnel boring machines (TBMs) have been widely used in tunnel construction.The proposed method is validated using construction data from the Songhua River water conveyance tunnel

Keywords: tunnel boring machine     control parameter optimization     quantum particle swarm optimization     artificial    

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: Engineering 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 atDisregarding the supporting effect of the cutterhead will result in a tunnel face with underestimated

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

Quick safety construction technology on electric railway multiple line’s tunnel blast boring

Wang Faming

Strategic Study of CAE 2008, Volume 10, Issue 5,   Pages 58-62

Abstract:

How to ensure the existing tunnel's safety and the train normal runningwhile the electric railway multiple line tunnel was blast boring?

Keywords: electric railway     the existing tunnel     multiple line tunnel     stepped digging     underholing style    

A Closer Look at the Design of Cutterheads for Hard Rock Tunnel-Boring Machines

Jamal Rostami, Soo-Ho Chang

Engineering 2017, Volume 3, Issue 6,   Pages 892-904 doi: 10.1016/j.eng.2017.12.009

Abstract:

The success of a tunnel-boring machine (TBM) in a given project depends on the functionality of allHowever, no part of the machine plays a more crucial role in the efficient operation of the machine thanOverall, cutterhead design heavily impacts the rate of penetration (ROP), rate of machine utilizationthere is limited literature on this subject because the design of cutterheads is mainly handled by machinein the design steps, what to look for in a proper design, and the implications of the head design on machine

Keywords: TBM cutterhead design     Cutterhead layout     Disk cutters     Cutting pattern     TBM efficiency    

Realtime prediction of hard rock TBM advance rate using temporal convolutional network (TCN) with tunnel

Zaobao LIU; Yongchen WANG; Long LI; Xingli FANG; Junze WANG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 401-413 doi: 10.1007/s11709-022-0823-3

Abstract: Real-time dynamic adjustment of the tunnel bore machine (TBM) advance rate according to the rock-machinedatabase, containing 235 data sets, established from the construction data from the Jilin Water-Diversion TunnelThe work provides a new concept of real-time prediction of the TBM performance for highly efficient tunnel

Keywords: hard rock tunnel     tunnel bore machine advance rate prediction     temporal convolutional networks     soft    

A new method for boring of non-circular holes

ZHANG Kai, HU De-jin

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 456-460 doi: 10.1007/s11465-006-0058-3

Abstract: mechanism composed of an electromagnetic stator and an electromagnetic rotor has been developed for boringThe proposed mechanism can feasibly supply a controllable micro displacement to the boring bar.

Keywords: electromagnetic actuation     control method     displacement     flexible body     revolving electromagnetic    

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 layers in city's busiest street on base of underground diameter project from Beijing railway station to Beijing railway west station,with the hope of providing reference to the future similar project.

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

Research on Demarcating Method for Deep Tunnel and Shallow Tunnel in Soil

Zhao Zhanchang,Xie Yongli

Strategic Study of CAE 2005, Volume 7, Issue 10,   Pages 84-86

Abstract:

Directed against the demarcating problems of deep tunnel and shallow tunnel in exiting methods, thefeasible by two engineering cases, and is of importantce to lining design and construction of soil tunnel

Keywords: soil tunnel     deep tunnel and shallow tunnel     demarcating method    

Bending failure performance of a shield tunnel segment based on full-scale test and numerical analysis

Frontiers of Structural and Civil Engineering   Pages 1033-1046 doi: 10.1007/s11709-023-0973-y

Abstract: This study focuses on the bending failure performance of a shield tunnel segment.

Keywords: shield tunnel     bearing capacity     failure mechanism     segment reinforcement    

Discontinuous mechanical behaviors of existing shield tunnel with stiffness reduction at longitudinal

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 37-52 doi: 10.1007/s11709-022-0920-3

Abstract: analytical model is proposed to estimate the discontinuous mechanical behavior of an existing shield tunnelabove a new tunnel.The existing shield tunnel is regarded as a Timoshenko beam with longitudinal joints.Timoshenko beam GA, and different additional pressure profiles on the responses of the shield tunnel

Keywords: tunnel–soil interaction     discontinuous analysis     longitudinal joints     existing shield tunnel     Timoshenko    

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 the tunnelface for a large shield-driven tunnel in heterogeneous soft soils.are conducted, and the effects of the involved parameters for a large, multilayered, shield-driven tunnel

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

Construction risks of Huaying mount tunnel and countermeasures

Haibo YAO, Feng GAO, Shigang YU, Wei DANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 279-285 doi: 10.1007/s11709-017-0414-x

Abstract: inrush because of existence of faults, high pressure gas, karst tectonics and coal goafs around the tunnel

Keywords: tunnel?construction     gas?outburst     geology?prediction     automatic?monitoring?system    

Title Author Date Type Operation

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

Journal Article

Field and laboratory experimental studies on hard-rock tunnel excavation based on disc cutter coupled

Journal Article

Lake Mead Intake No. 3

Jon Hurt, Claudio Cimiotti

Journal Article

QPSO-ILF-ANN-based optimization of TBM control parameters considering tunneling energy efficiency

Journal Article

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

Journal Article

Quick safety construction technology on electric railway multiple line’s tunnel blast boring

Wang Faming

Journal Article

A Closer Look at the Design of Cutterheads for Hard Rock Tunnel-Boring Machines

Jamal Rostami, Soo-Ho Chang

Journal Article

Realtime prediction of hard rock TBM advance rate using temporal convolutional network (TCN) with tunnel

Zaobao LIU; Yongchen WANG; Long LI; Xingli FANG; Junze WANG

Journal Article

A new method for boring of non-circular holes

ZHANG Kai, HU De-jin

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 on Demarcating Method for Deep Tunnel and Shallow Tunnel in Soil

Zhao Zhanchang,Xie Yongli

Journal Article

Bending failure performance of a shield tunnel segment based on full-scale test and numerical analysis

Journal Article

Discontinuous mechanical behaviors of existing shield tunnel with stiffness reduction at longitudinal

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

Construction risks of Huaying mount tunnel and countermeasures

Haibo YAO, Feng GAO, Shigang YU, Wei DANG

Journal Article