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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.Owing to the unsatisfactory adaptability of TBM to the surrounding rock, when crossing high-strengthnozzle diameter, and nozzle speed on cutting are investigated via laboratory experiments of cutting hardrock using high-pressure waterjets.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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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    

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Crack evolution of soft–hard composite layered rock-like specimens with two fissures under uniaxial compression

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1372-1389 doi: 10.1007/s11709-021-0772-2

Abstract: correlation were used to study the spatiotemporal evolution characteristics of crack extension of soft and hardcomposite laminated rock masses (SHCLRM) containing double fissures under uniaxial compression.The effects of different rock combination methods and prefabricated fissures with different orientationsHard layers predominantly produce tensile cracks; soft layers produce shear cracks.The first crack always sprouts at the tip or middle of prefabricated fractures in hard layers.

Keywords： soft−hard composite layered rock mass     double cracks     crack evolution     acoustic emission     digital image    

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The Practice of Forward Prospecting of Adverse Geology Applied to Hard Rock TBM Tunnel Construction: Article

Shucai Li, Lichao Nie, Bin Liu

Engineering 2018, Volume 4, Issue 1,   Pages 131-137 doi: 10.1016/j.eng.2017.12.010

Abstract:

An increasing number of tunnels are being constructed with tunnel-boring machines (TBMs) due to theHowever, when a TBM encounters adverse geological conditions in the course of tunnel construction (e.gTherefore, the advance detection of adverse geology and water-bearing conditions in front of the tunnelto propose a comprehensive forward geological prospecting technical system that is suitable for TBM tunnelprospecting technical system can accurately forecast water inrush geo-hazards or faults in front of the TBM tunnel

Keywords： Hard rock TBM tunnels     Comprehensive forward prospecting     Geological analysis     3D induced polarization     3D    

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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    

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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 allproprietary algorithms by the manufacturers, and despite recent attention on the subject, the design of rock

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

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Research on supporting methods and sub classification of complex phyllite rock layer in Baojiashan tunnel

Qi Wanpeng,Zhang Dehua,Yan Jingxiong,Shi Zhenyu

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 98-104

Abstract:

The geology of the region which Baojianshan tunnel crossed through wasThe rock mass had collapsed several times while excavation by the construction methods which designersarticle, the sub-classification of phyllite was established according to State Standard Classification of Rockand Designing Standard of Railway Tunnel.And Baojiashan tunnel was successfully built using the construction methods mentioned above.

Keywords： tunnel construction     phyllite     sub classification     soften     water prosperities of rock    

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A Forecasting Method for Tunnel Surrounding Rock Deformation Using RBF Neural Networks

Zhang Junyan,Feng Shouzhong,Liu Donghai

Strategic Study of CAE 2005, Volume 7, Issue 10,   Pages 87-90

Abstract: Owing to the difficulty of traditional multi-variable regression methods to represent the surrounding rockdeformation curve with inflexion points, a method for forecasting tunnel surrounding rock deformation

Keywords： RBF neural networks     tunnel construction     surrounding rock deformation     forecasting    

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Numerical simulation and stability analysis of surrounding rock of large-span multi-arch tunnel

Ren Shaoqiang

Strategic Study of CAE 2009, Volume 11, Issue 8,   Pages 58-63

Abstract: However, compared with individual tunnel and conjoined tunnel,multi-arch tunnel has the question of motherrock's frequent perturbation, construction difficulty, et al.In the geological condition of shallow buried, soft rock, and carst, et al. the mother rock of thesekinds of tunnel must be paid attention in the whole construction stage.emphasis on surrounding rock mechanics property, drew a conclusion of stress regularity, and put up the

Keywords： multi-arch tunnel     numerical simulation     surrounding rock     stress    

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Working Procedure of Developing a New Deep Hard-rock Burst-prone Deposit

Guo Ran,Yu Runcang

Strategic Study of CAE 2002, Volume 4, Issue 7,   Pages 51-55

Abstract: In this paper, the authors create a general working procedure to develop a new hard-rock burst-proneinto 6 steps： initial determination of burst tendency; study of the proneness to rockburst of typical rocksamples ;in-situ rock stress measurement; possibility of strain burst in the mine; principles in theThe above study results lays a theoretical foundation for applied research of deep hard-rock burst-prone

Keywords： rockburst     mining technique     working procedure    

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Asymmetric deformation mechanism in deep soft rock tunnel and controlling countermeasures in Datun Mine

Fu Qingguo and Zou Chaoyang

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 102-106

Abstract: investigation and analysis of the engineering geology in Kongzhuang Mine and the laboratory experiments of rocksurrounding rocks when the roadway shows the asymmetric deformation characteristics of surrounding rockbasis for the controlling countermeasures of asymmetric deformation characteristics of surrounding rock

Keywords： deep     soft rock tunnel     asymmetric deformation     controlling countermeasures    

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Study on support mechanical behaviour and scheme for shallow buried tunnel in weak wall rock with rich

Wan Fei,Tan Zhongsheng,Yang Sensen,Ma Dong

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 45-53

Abstract:

Shallow buried section under river valley of Guan Jiao tunnel has donea series of research on support mechanical behaviour and scheme for tunnel in weak wall rock with richPressure of surrounding rock, stress in the steel frames, axial force of rock bolts and water pressureIn v class surrounding rock section, lead pipe-shed and small pipe is set in the range of 120 degreeresearch results can provide theoretical basis and underlying date for support scheme for Shallow buried tunnel

Keywords： Tunnel project     Shallow buried under river valley     Weak wall rock     Support scheme     Field monitoring    

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

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

Abstract: and grouting modification using high-strength concrete-to resist fault dislocation in the surrounding rockMoreover, single- or multiple-joint advanced engineering measures form the local rock mass-anti-faultFurthermore, anchor cable and grouting modifications changed the stress field of the rock mass in thegrouting area changed from shear stress in the fault slip direction to tensile stress in the axial tunnelmass to protect the tunnel.

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

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Frontiers in Personless Mining and Avenues of Their Advancement in China

Li Zhongxue,Li Cuiping,Liu Shuangyue

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 16-20

Abstract:

With the rapid social and economic development in China,  technology innovations in the extraction and utilization of mineral resources are demanded to address the problems associated with larger mining depth and other adverse conditions confronted by the mining industries,  increase the efficiency of extracting mineral resources,  and safeguard the safety and health of mining workers.  To this end,  the Chinese Ministry of Science and Technology (MOST) has launched a series of research directions through the 863 Program aimed at frontiers in the subject of personless mining to enhance technology innovations in personless mining and provide the mining industries with a fresh perspective to personless mining.  In response to the MOST initiative,  this paper presents a brief review on the development of automated mining technologies in the industrialized nations such as Canada,  Australia,  Finland and Sweden,  outlines the major technological issues on the frontiers of automated mining,  and proposes some avenues of advancing technology innovations in automated mining in China.

Keywords： hard-rock mining     automated mining     personless mining     personless mine    

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RBF-ANN-Based forecast method of transmutation of wall rock on multi-arch tunne

Xiao Zhiwang,Zhong Denghua

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 77-81

Abstract:

The key of forecasting transmutation of wall rock correctly is to constructthe reasonable mathematics model of time-distance curve from measuring data when distorting, which is hardforward neural network of radial basis function to construct the forecast model of deformation of wall rockin multi-arch tunnel and cllso uses Matlab tool to solve the optimal problem.

Keywords： multi-arch tunnel     deformation of wall rock     deformation forecast     radial basis function (RBF)     artificial    

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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

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

Crack evolution of soft–hard composite layered rock-like specimens with two fissures under uniaxial compression

Journal Article

The Practice of Forward Prospecting of Adverse Geology Applied to Hard Rock TBM Tunnel Construction:

Shucai Li, Lichao Nie, Bin Liu

Journal Article

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

Journal Article

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

Jamal Rostami, Soo-Ho Chang

Journal Article

Research on supporting methods and sub classification of complex phyllite rock layer in Baojiashan tunnel

Qi Wanpeng,Zhang Dehua,Yan Jingxiong,Shi Zhenyu

Journal Article

A Forecasting Method for Tunnel Surrounding Rock Deformation Using RBF Neural Networks

Zhang Junyan,Feng Shouzhong,Liu Donghai

Journal Article

Numerical simulation and stability analysis of surrounding rock of large-span multi-arch tunnel

Ren Shaoqiang

Journal Article

Working Procedure of Developing a New Deep Hard-rock Burst-prone Deposit

Guo Ran,Yu Runcang

Journal Article

Asymmetric deformation mechanism in deep soft rock tunnel and controlling countermeasures in Datun Mine

Fu Qingguo and Zou Chaoyang

Journal Article

Study on support mechanical behaviour and scheme for shallow buried tunnel in weak wall rock with rich

Wan Fei,Tan Zhongsheng,Yang Sensen,Ma Dong

Journal Article

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

Journal Article

Frontiers in Personless Mining and Avenues of Their Advancement in China

Li Zhongxue,Li Cuiping,Liu Shuangyue

Journal Article

RBF-ANN-Based forecast method of transmutation of wall rock on multi-arch tunne

Xiao Zhiwang,Zhong Denghua

Journal Article