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Prototype test study on mechanical characteristics of segmental lining structure of underwater railwayshield tunnel

He Chuan,Feng Kun,Yan Qixiang,Qi Chun

Strategic Study of CAE 2012, Volume 14, Issue 10,   Pages 65-72

Abstract:

In view of the first underwater railway shield tunnel, Guangzhou ZhujiangRiver Shiziyang shield tunnel, the prototype test is carried out against its segmental lining structureby using “Multi function Shield Tunnel Structure Test System”.

Keywords： underwater railway shield tunnel     segmental lining structure     prototype test     tenon joint     failure characteristics    

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Key technologic problems on underwater shield tunnel

Sun Mou,Tan Zhongsheng

Strategic Study of CAE 2009, Volume 11, Issue 7,   Pages 18-23

Abstract:

Combined with some underwater shield tunnels such as Wuhan Changjiangtunnel, the determination of reasonable cover thickness, the shield type and key parameter selectionThe key technology of stabilizing working face, preventing muddy water eruption, preventing tunnel floating, controlling shield direction, excavating long distance, abutting joint underwater, shield launching

Keywords： underwater tunnel     shield     cover thickness     type selection     key construction technology    

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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:

In the past decades, many underwater tunnels have been constructed in the mainland of China, and greatThis paper presents the history and state of the art of underwater tunnels in the mainland of China interms of shield-bored tunnels, drill-and-blast tunnels, and immersed tunnels.made regarding the three potential great strait-crossing tunnels—the Qiongzhou Strait-Crossing Tunnel, Bohai Strait-Crossing Tunnel, and Taiwan Strait-Crossing Tunnel—and issues related to these great

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

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Discussion on safety risk assessment of shield construction in underwater tunnel

Lu hao,Shi Yehui and Rong Xiaoli

Strategic Study of CAE 2013, Volume 15, Issue 10,   Pages 91-96

Abstract: method with large diameter is often used in the underwater tunnel construction.The underwater tunnel with large diameter has the characteristics of high risk, difficult to control,Risk assessment is more and more applied in underwater tunnel construction safe management.The characteristics of using slurry shield with large diameter in underwater tunnel were introduced inThis method has been used in an underwater tunnel in Nanjing subway engineering, the application results

Keywords： underwater tunnel     safety risk     dynamic assessment    

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

Hong Kairong and ,Du Chuangdong,Wang Kun

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

Abstract:

Shiziyang subaqueous tunnel, a part of Guangzhou-Shenzhen-Hongkong dedicatedpassenger high-speed railway, is the very first underwater railway tunnel of China, also the first extra-longunderwater tunnel of our country.The tunnle is a key project of Guangzhou-Shenzhen-Hongkong dedicated passenger high-speed railway.In 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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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 atDisregarding the supporting effect of the cutterhead will result in a tunnel face with underestimatedrequirement 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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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.mixed-layer soils are conducted, and the effects of the involved parameters for a large, multilayered, shield-driventunnel are also investigated.

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

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

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

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Deformation control criterion of shield tunnel under lateral relaxation of soft soil

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 780-795 doi: 10.1007/s11709-023-0944-3

Abstract: Metro shield tunnels under the lateral relaxation of soil (LRS) are susceptible to significant lateralTherefore, based on a specific case, a model test is conducted to realize the LRS of a shield tunnelFor a shield tunnel with a diameter of approximately 6 m and under the lateral relaxation of sandy soil

Keywords： shield tunnel     lateral relaxation of soil     deformation control criterion of segment structure     model    

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Beijing underground diameter wire（The Third Railway Survey and Design Institute，Tianjin 300252,China）

Suo Xiaoming,Zhang Jiqing,Yang Yiqiu

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 11-17

Abstract: text-align: justify;">Based on the designing technology of double-line large diameter(Ø11.6 m) shieldtunnel of Beijing underground diameter wire, this article emphased on the selection of shield tunnellining design and the water resistant technology, also demonstrated the designing requirements of the shieldtunnel construction.

Keywords： railway tunnel     shield of large diameter     segment design    

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Design and construction technology of underwater tunnel

Wang Mengshu

Strategic Study of CAE 2009, Volume 11, Issue 7,   Pages 4-10

Abstract: text-align: justify;">It is briefly introduced that when passing over or crossing rivers, lakes and seas, underwatertunnel construction method is preferred to be adopted for its summed advantages.of design and construction, key construction technology and frequently-used construction method of underwatertunnel are also discussed in this article.

Keywords： underwater tunnel     design     construction    

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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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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 anMany improvement measures have been proposed to mitigate the clogging potential of two slurry-shieldwere proven to be effective in mitigating the clogging potential of slurry-shield TBMs.

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

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Weakening behavior of waterproof performance in joints of shield tunnels under adjacent constructions

Frontiers of Structural and Civil Engineering   Pages 884-900 doi: 10.1007/s11709-022-0912-3

Abstract: Groundwater leakage in shield tunnels poses a threat to the safety and durability of tunnel structuresDisturbance of adjacent constructions during the operation of shield tunnels frequently occurs in China, leading to deformation of tunnel lining and leakage in joints.In this study, the weakening behavior of waterproof performance was investigated in the joints of shieldshoulder in the upper loading case, tunnel crown in the upper excavation case, and tunnel shoulder in

Keywords： shield tunnel     waterproof performance     horizontal transverse deformation     joint opening     weakening behavior    

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Numerical and experimental analyses of methane leakage in shield tunnel

Frontiers of Structural and Civil Engineering   Pages 1011-1020 doi: 10.1007/s11709-023-0956-z

Abstract: a numerical analysis was performed to simulate the ventilation and diffusion of harmful gases in a shieldtunnel, and the effect of ventilation airflow speed on the diffusion of harmful gases was evaluated.

Keywords： shield tunnel     harmful gas leakage     numerical analysis     laboratory test    

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Title Author Date Type Operation

Prototype test study on mechanical characteristics of segmental lining structure of underwater railwayshield tunnel

He Chuan,Feng Kun,Yan Qixiang,Qi Chun

Journal Article

Key technologic problems on underwater shield tunnel

Sun Mou,Tan Zhongsheng

Journal Article

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

Kairong Hong

Journal Article

Discussion on safety risk assessment of shield construction in underwater tunnel

Lu hao,Shi Yehui and Rong Xiaoli

Journal Article

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

Hong Kairong and ,Du Chuangdong,Wang Kun

Journal Article

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

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

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

Journal Article

Deformation control criterion of shield tunnel under lateral relaxation of soft soil

Journal Article

Beijing underground diameter wire（The Third Railway Survey and Design Institute，Tianjin 300252,China）

Suo Xiaoming,Zhang Jiqing,Yang Yiqiu

Journal Article

Design and construction technology of underwater tunnel

Wang Mengshu

Journal Article

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

Journal Article

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

Journal Article

Weakening behavior of waterproof performance in joints of shield tunnels under adjacent constructions

Journal Article

Numerical and experimental analyses of methane leakage in shield tunnel

Journal Article