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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    

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Stability analysis and optimization of excavation method of double-arch tunnel with an extra-large span

Yiguo XUE, Huimin GONG, Fanmeng KONG, Weimin YANG, Daohong QIU, Binghua ZHOU

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 136-146 doi: 10.1007/s11709-020-0710-8

Abstract: The Xiamen Haicang double-arch tunnel has a maximum span of 45.73 m and a minimum burial depth of 5.8A larger deformation or collapse of the tunnel is readily encountered during tunnel excavation.It is therefore necessary to select a construction approach that is suitable for double-arch tunnel projectsIn addition, the disturbance resulting from the excavation of adjacent drifts was obvious, particularlythe disturbance of the surrounding rock caused by the excavation of the middle drift.

Keywords： double-arch tunnel     triple-layer composite liner system     numerical modeling     stress analysis     settlement    

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Numerical study on the process of water inrush in Karst caves with hydraulic pressure caused by tunnelexcavation

Huang Mingli,Wang Fei,Lu Wei,Tan Zhongsheng

Strategic Study of CAE 2009, Volume 11, Issue 12,   Pages 93-96

Abstract:

Water inrush is often encountered during tunnel excavation in karst region

Keywords： water flush in Karst caves     tunnel excavation     mechanical mechanism     numerical simulation    

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Study on key construction technologies of Xiamen Xiang’an subsea tunnel

Fu Hongxian,Liu Yongsheng,Guo Yanjing,Huang Mingqi

Strategic Study of CAE 2009, Volume 11, Issue 7,   Pages 30-34

Abstract:

Xiamen Xiang'an subsea tunnel is the first subsea tunnel in Chinageological conditions in the land are strongly weathered granite with enriched groundwater, shallow-buried excavationDuring the tunnel construction, the deformation of tunnel support is great.

Keywords： Xiamen Xiang’an subsea tunnel     excavation method     working procedure     controlling measure     blasting    

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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, andSpecific attention is given to the main challenges that were overcome during the TBM excavation, whichincluded the mode of operation, face support pressures, pre-excavation grouting, and maintenance; tothe construction of the intake, which involved deep underwater shaft excavation with blasting usingplacement 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    

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Key construction technology of shallow-buried large span highway tunnel through rich water soft soil

Zhao Licai

Strategic Study of CAE 2015, Volume 17, Issue 1,   Pages 81-87

Abstract:

This article takes Xia-Zhang highway (Xiamen section) Dongfu tunnel construction as an example.occlusal and linking reinforcement technology+cross-located right next door after disassembly type excavationtechnology in shallow-buried rich water soft soil stratum tunnel excavation process.deformation of surrounding rock control， successfully passed the construction of shallow-buried soft soil excavation

Keywords： shallow buried； rich water soft soil； tunnel； pipe； reinforcement； cross-located right next door afterdisassembly type； excavation    

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Prediction of characteristic blast-induced vibration frequency during underground excavation by using

Tae Un PAK; Guk Rae JO; Un Chol HAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 8,   Pages 1029-1039 doi: 10.1007/s11709-022-0861-x

Abstract: In this study, blasting vibration signals were measured during underground excavation in carbonaceous

Keywords： wavelet analysis     blast-induced vibration     frequency characteristics     underground excavation    

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Deformation Rate Ratio Criterion (DRRC) and Its Verification in Maoshan Tunnel Excavation

Li Shihui,Song Jun

Strategic Study of CAE 2002, Volume 4, Issue 6,   Pages 85-91

Abstract: reasonable and quantitative surrounding rock stability criteria in the initial lining during tunneling excavationThe success and failure in the Maoshan expressway tunnel excavation are deducted and verified from positive

Keywords： open complex giant system     cave-in accident     deformation rate ratio criterion     typical information method     hypothetico-deductive method     metasynthesis    

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Toward autonomous mining: design and development of an unmanned electric shovel via point cloud-based optimal trajectory planning

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0686-2

Abstract: In the field of autonomous excavation, environmental perception and excavation trajectory planning areThen, by establishing the dynamical model of the UES, a point to point (PTP) excavation trajectory planningBased on optimal trajectory command, the UES performs autonomous excavation.Compared with the common excavation trajectory planning approaches, the proposed method tends to be morecapable in terms of mining time and energy consumption, ensuring high-performance excavation of the

Keywords： autonomous excavation     unmanned electric shovel     point cloud     excavation trajectory planning    

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Influencing factors and control measures of excavation on adjacent bridge foundation based on analytic

Shuangxi FENG, Huayang LEI, Yongfeng WAN, Haiyan JIN, Jun HAN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 461-477 doi: 10.1007/s11709-021-0705-0

Abstract: Many uncertain factors in the excavation process may lead to excessive lateral displacement or over-limitedIt was found that the excavation depth and the distance between the foundation pit and the bridge foundation

Keywords： deep foundation pit excavation     adjacent bridge foundation     influencing factors     analytic hierarchy process    

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Key Techniques for the Construction of High-Speed Railway Large-Section Loess Tunnels Article

Yong Zhao, Huawu He, Pengfei Li

Engineering 2018, Volume 4, Issue 2,   Pages 254-259 doi: 10.1016/j.eng.2017.07.003

Abstract: During tunnel excavation disturbance, if the tensile stress exceeds the soil tensile or shear strengthThe pressure of the surrounding rock of a large-section loess tunnel should be calculated according toA three-bench seven-step excavation method of construction was used as the core technology system toensure the safe and rapid construction of a large-section loess tunnel, following a field test to optimizethe construction parameters and determine the engineering measures to stabilize the tunnel face.

Keywords： Loess tunnel     Surrounding rock classification     Surface cracking     Design load     Three-bench seven-step excavation    

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Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 26-43 doi: 10.1007/s11709-017-0439-1

Abstract: instrumentation program lasting 14 months was conducted to monitor the behaviors of this deep circular excavation

Keywords： deep excavation     foundation pit     soft clay     top-down method     field observation     ground surface movements     ground    

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Undrained seismic bearing capacity of strip footing adjacent to a heterogeneous excavation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 566-583 doi: 10.1007/s11709-023-0905-x

Abstract: The analysis of the bearing capacity of strip footings sited near an excavation is critical in geotechnicsIn this study, the effects of the geometrical features of the excavation and the soil strength propertieson the seismic bearing capacity of a strip footing resting on an excavation were evaluated using theThe effects of the setback distance ratio (L/B), excavation height ratio (H/B

Keywords： excavation     finite element limit analysis     heterogeneous soil     strip footing     undrained bearing capacity    

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Advanced finite element analysis of a complex deep excavation case history in Shanghai

Yuepeng DONG, Harvey BURD, Guy HOULSBY, Yongmao HOU

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 93-100 doi: 10.1007/s11709-014-0232-3

Abstract: Square Shopping Center of the Shanghai South Railway Station is a large scale complex top-down deep excavationThe excavation is adjacent to several current and newly planned Metro lines, and influenced by a neighboringExchange Station excavation.The highly irregular geometry of this excavation greatly increases the complexity in 3D Finite Elementconcrete floor slabs and beams, 4) the complex construction sequences, and 5) the shape effect of the deep excavation

Keywords： advanced finite element analysis     deep excavations     case history     small-strain stiffness    

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The analysis & effect of excavation of rock by controlled blastingin the Olympic Games flying saucer

Shen Zhenyu,Zhang Pengjun,Wang Xuguang,Yu Yalun

Strategic Study of CAE 2009, Volume 11, Issue 11,   Pages 13-16

Abstract:

The application of the technique of the excavation by long-hole type

Keywords： excavation of rock     long-hole type blasting     presplitting blasting     overbreak rock    

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Title Author Date Type Operation

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

Journal Article

Stability analysis and optimization of excavation method of double-arch tunnel with an extra-large span

Yiguo XUE, Huimin GONG, Fanmeng KONG, Weimin YANG, Daohong QIU, Binghua ZHOU

Journal Article

Numerical study on the process of water inrush in Karst caves with hydraulic pressure caused by tunnelexcavation

Huang Mingli,Wang Fei,Lu Wei,Tan Zhongsheng

Journal Article

Study on key construction technologies of Xiamen Xiang’an subsea tunnel

Fu Hongxian,Liu Yongsheng,Guo Yanjing,Huang Mingqi

Journal Article

Lake Mead Intake No. 3

Jon Hurt, Claudio Cimiotti

Journal Article

Key construction technology of shallow-buried large span highway tunnel through rich water soft soil

Zhao Licai

Journal Article

Prediction of characteristic blast-induced vibration frequency during underground excavation by using

Tae Un PAK; Guk Rae JO; Un Chol HAN

Journal Article

Deformation Rate Ratio Criterion (DRRC) and Its Verification in Maoshan Tunnel Excavation

Li Shihui,Song Jun

Journal Article

Toward autonomous mining: design and development of an unmanned electric shovel via point cloud-based optimal trajectory planning

Journal Article

Influencing factors and control measures of excavation on adjacent bridge foundation based on analytic

Shuangxi FENG, Huayang LEI, Yongfeng WAN, Haiyan JIN, Jun HAN

Journal Article

Key Techniques for the Construction of High-Speed Railway Large-Section Loess Tunnels

Yong Zhao, Huawu He, Pengfei Li

Journal Article

Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

Journal Article

Undrained seismic bearing capacity of strip footing adjacent to a heterogeneous excavation

Journal Article

Advanced finite element analysis of a complex deep excavation case history in Shanghai

Yuepeng DONG, Harvey BURD, Guy HOULSBY, Yongmao HOU

Journal Article

The analysis & effect of excavation of rock by controlled blastingin the Olympic Games flying saucer

Shen Zhenyu,Zhang Pengjun,Wang Xuguang,Yu Yalun

Journal Article