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Influence of advanced engineering measures on displacement and stress field of surrounding rock in tunnels crossing

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0966-x

Abstract: modification using high-strength concrete-to resist fault dislocation in the surrounding rock near tunnels crossinggrouting modification reduced the displacement gradient of the local surrounding rock near the tunnels crossinggrouting area changed from shear stress in the fault slip direction to tensile stress in the axial tunnelmeasures, can form an artificial safety island at the cross-fault position of the rock mass to protect the tunnelThe research results provide a new supporting idea for the surrounding rock of tunnels crossing active

Keywords： anti-fault effect     engineering measures     LRAF method     stress and displacement field     tunnel-crossing    

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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: Some suggestions are made regarding the three potential great strait-crossing tunnels—the QiongzhouStrait-Crossing Tunnel, Bohai Strait-Crossing Tunnel, and Taiwan Strait-Crossing Tunnel—and issuesrelated to these great strait-crossing tunnels that need further study are proposed.

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

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Three-dimensional finite difference analysis of shallow sprayed concrete tunnels crossing a reverse fault

Masoud RANJBARNIA, Milad ZAHERI, Daniel DIAS

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 998-1011 doi: 10.1007/s11709-020-0621-8

Abstract: Urban tunnels crossing faults are always at the risk of severe damages.In this paper, the effects of a reverse and a normal fault movement on a transversely crossing shallowshotcreted tunnel are investigated by 3D finite difference analysis.depth, and the fault plane dip angle are studied on the displacements of the ground surface and the tunnelstructure, and on the plastic strains of the soil mass around tunnel.

Keywords： urban tunnel     sprayed concrete     reverse fault     normal fault     finite difference analysis    

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Study on construction technique of large section sub-sea tunnel crossing the weak stratum

Huang Mingli,Lu Wei,Xu Hengguo,Tan Zhongsheng

Strategic Study of CAE 2009, Volume 11, Issue 7,   Pages 35-38

Abstract:

Xiang'an sub-sea tunnel is the first large section sub-sea tunnelstabilizing capacity of the surrounding rocks, water inrush is the maximal risk during the sub-sea tunnelIn this paper, based on analyzing the excavation method of the tunnel and results of on site monitoringmeasurement, we studied the excavation method,drainage technique and pre-reinforcement method of the tunnelwhen crossing the weak stratum with abundant water, and offer technological support for construction

Keywords： Xiamen Xiang’an sub-sea tunnel     weak stratum     construction technique    

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The Ceneri Base Tunnel: Construction Experience with the Southern Portion of the Flat Railway Line Crossing Article

Davide Merlini, Daniele Stocker, Matteo Falanesca, Roberto Schuerch

Engineering 2018, Volume 4, Issue 2,   Pages 235-248 doi: 10.1016/j.eng.2017.09.004

Abstract: paper summarizes the experience that was gained during the construction of the 15.4 km long Ceneri Base Tunnel(CBT), which is the southern part of the flat railway line crossing the Swiss Alps from north to southA gripper tunnel boring machine (TBM) was used in order to excavate the access tunnel.overburden caused squeezing rock conditions, which are characterized by large anisotropic convergences when crossingThe very low overburden, poor rock quality, and demanding crossing with an existing road tunnel (at a
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State-of-the-Art Technology in the Construction of Sea-Crossing Fixed Links with a Bridge, Island, andTunnel Combination

Yaojun Ge, Yong Yuan

Engineering 2019, Volume 5, Issue 1,   Pages 15-21 doi: 10.1016/j.eng.2019.01.003

Keywords： EngineeringAchievements    

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Several issues to be further considered in construction of Bohai Strait crossing passage

Hong Kairong

Strategic Study of CAE 2013, Volume 15, Issue 12,   Pages 80-84

Abstract:

Bohai Strait crossing passage is a strategic project, which has a significantpassage is further studied on basis of the common concept of tunnel crossing Laotieshan waterway.It is proposed that the form of full tunnel with two underground stations built in backfilled groundin the sea should be adopted for Bohai Strait crossing passage and that the tunnel should be constructedby open tunnel boring machine (TBM) method, with drill and blast as the assisting method.

Keywords： strait tunnel     construction method     construction planning     shaft arrangement    

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Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 54-63

Abstract:

Relying on the construction under crossing the existed south Tongpu Railwaywith a small included angle at Gaoqiao tunnel of Zhengzhou-Xi’an high speed rail, carrying outIt successfully resolved the construction difficulties of super-large-section tunnel (171m2) under crossing the operating railway in the depth of only 11m under sandy neoloess, thus to have the

Keywords： large-section loess tunnel     benching method     double-layer support     under crossing    

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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    

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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: 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    

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Development of combined transitional pavement structure for urban tram track-road grade crossings

Frontiers of Structural and Civil Engineering   Pages 1199-1210 doi: 10.1007/s11709-023-0949-y

Abstract: The grade crossings and adjacent pavements of urban trams are generally subjected to complex load conditions and are susceptible to damage. Therefore, in this study, a novel pavement structure between tram tracks and roads constructed using polyurethane (PU) elastic concrete and ultra-high-performance concrete (UHPC), referred to as a track-road transitional pavement (TRTP), is proposed. Subsequently, its performance and feasibility are evaluated using experimental and numerical methods. First, the mechanical properties of the PU elastic concrete are evaluated. The performance of the proposed structure is investigated using a three-dimensional finite element model, where vehicle-induced dynamic and static loads are considered. The results show that PU elastic concrete and the proposed combined TRTP are applicable and functioned as intended. Additionally, the PU elastic concrete achieved sufficient performance. The recommended width of the TRTP is approximately 50 mm. Meanwhile, the application of UHPC under a PU elastic concrete layer significantly reduces vertical deformation. Results of numerical calculations confirmed the high structural performance and feasibility of the proposed TRTP. Finally, material performance standards are recommended to provide guidance for pavement design and the construction of tram-grade crossings in the future.

Keywords： urban tram track     grade crossing     combined track-road transitional pavement     polyurethane elastic concrete    

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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    

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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    

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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 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    

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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    

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Title Author Date Type Operation

Influence of advanced engineering measures on displacement and stress field of surrounding rock in tunnels crossing

Journal Article

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

Kairong Hong

Journal Article

Three-dimensional finite difference analysis of shallow sprayed concrete tunnels crossing a reverse fault

Masoud RANJBARNIA, Milad ZAHERI, Daniel DIAS

Journal Article

Study on construction technique of large section sub-sea tunnel crossing the weak stratum

Huang Mingli,Lu Wei,Xu Hengguo,Tan Zhongsheng

Journal Article

The Ceneri Base Tunnel: Construction Experience with the Southern Portion of the Flat Railway Line Crossing

Davide Merlini, Daniele Stocker, Matteo Falanesca, Roberto Schuerch

Journal Article

State-of-the-Art Technology in the Construction of Sea-Crossing Fixed Links with a Bridge, Island, andTunnel Combination

Yaojun Ge, Yong Yuan

Journal Article

Several issues to be further considered in construction of Bohai Strait crossing passage

Hong Kairong

Journal Article

Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Journal Article

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

Zhao Zhanchang,Xie Yongli

Journal Article

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

Journal Article

Development of combined transitional pavement structure for urban tram track-road grade crossings

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