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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-strengthTherefore, high-pressure waterjet technology should be applied to assist in rock breaking for efficientnozzle diameter, and nozzle speed on cutting are investigated via laboratory experiments of cutting hard rockThe results show that high-pressure waterjets are highly efficient for rock breaking and are suitable

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

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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 typeblasting, underload, the longer length of stemming to control the danger of blasting vibration and fly rock

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

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Precision Blasting Excavation of Underground Workshop Crane Beam of Rock Wall in Complicated Geology

Li Changneng,Xu Chengguang

Strategic Study of CAE 2014, Volume 16, Issue 11,   Pages 42-47

Abstract: Characteristics of crane beam of rock wall construction embodied in width of rock bench, huge bearingAccording to inherent conception of “precision blasting”, technological measures of optimized excavationthe blasting excavation quality.Half-hole rate in Ⅱ surrounding rock was 100%, in Ⅲ surrounding rock was 99.2%, in Ⅳsurrounding rockunloading was 0.2~0.7cm, the excavation effect was nearly perfect.

Keywords： Xiang jiaba hydraulic power station     underground workshop     crane beam of rock wall     precision blastingexcavation    

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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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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: large-section loess tunnels on China’s high-speed railway, including classification of the surrounding rockDuring 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 to

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

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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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Computational methods for fracture in rock: a review and recent advances

Ali JENABIDEHKORDI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 273-287 doi: 10.1007/s11709-018-0459-5

Abstract: overview of the most popular state-of-the-art computational methods available for modelling fracture in rockmethods which can be found elsewhere but particularly address their potential in modelling fracture in rockFurthermore, we also address ‘general’ difficulties that may arise for simulating fracture in rock andfractured rock.

Keywords： numerical modelling     method development     rock mechanics     fractured rock     rock fracturing    

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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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Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finite

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0035-5

Abstract: Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finite

Keywords： finite element power     stability rock escarpment    

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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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Aspects of rock permeability

Lianyang ZHANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 102-116 doi: 10.1007/s11709-013-0201-2

Abstract: Effective evaluation of rock permeability is required in different energy, engineering and environmentalAlthough much research has been conducted on rock permeability, it is still one of the most difficulttasks for practicing rock engineers to accurately determine rock permeability.Based on a comprehensive literature review, this paper outlines the key aspects of rock permeability, and anisotropy of rock permeability.

Keywords： rock     permeability     discontinuity     stress     temperature     scale effect     anisotropy    

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Influence of soft rock-fill material as dam embankment with central bituminous concrete membrane

Peter TSCHERNUTTER

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 63-70 doi: 10.1007/s11709-010-0016-3

Abstract: Laboratory as well as field tests on solid rock-fill material were performed before the beginning ofDuring the construction the properties of the available rock-fill changed from solid to soft materials

Keywords： embankment dam     bituminous concrete membrane     rock-fill material properties     deformation behavior    

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interface adhesion factor on the bearing capacity of strip footing placed on cohesive soil overlying rock

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1494-1503 doi: 10.1007/s11709-021-0768-y

Abstract: The problem related to bearing capacity of footing either on pure soil or on pure rock mass has beenCurrently, no study deals with the bearing capacity of strip footing on a cohesive soil layer overlying rockprogramming, the ultimate bearing capacity of a strip footing located on a cohesive soil overlying rockdifferent values of interface adhesion factor (αcr) between the cohesive soil and rockmass strength parameters of beneath rock mass layer.

Keywords： bearing capacity     soil-rock interface     Hoek−Brown yield criterion     plasticity     limit analysis    

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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

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

Precision Blasting Excavation of Underground Workshop Crane Beam of Rock Wall in Complicated Geology

Li Changneng,Xu Chengguang

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

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

Yong Zhao, Huawu He, Pengfei Li

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

Computational methods for fracture in rock: a review and recent advances

Ali JENABIDEHKORDI

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

Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finite

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

Aspects of rock permeability

Lianyang ZHANG

Journal Article

Influence of soft rock-fill material as dam embankment with central bituminous concrete membrane

Peter TSCHERNUTTER

Journal Article

interface adhesion factor on the bearing capacity of strip footing placed on cohesive soil overlying rock

Journal Article