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Application of random set method in a deep excavation: based on a case study in Tehran cemented alluvium

Arash SEKHAVATIAN, Asskar Janalizadeh CHOOBBASTI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 66-80 doi: 10.1007/s11709-018-0461-y

Abstract: The design of high-rise buildings often necessitates ground excavation, where buildings are in closeThis paper studies an efficient user-friendly framework for dealing with uncertainties in a deep excavationlayers of cemented coarse grained soil located in Tehran, Iran by non-deterministic Random Set (RS) methodIn order to enhance the acceptability of the method among engineers, a pertinent code was written in

Keywords: uncertainty     reliability analysis     deep excavations     random set method     finite difference method    

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: construction of the Shanghai Center involved excavations in excess of 33-m-deep using the top-down methodinstrumentation program lasting 14 months was conducted to monitor the behaviors of this deep circular excavationThe field performance of another 21cylindrical excavations in top-down method were collected to compare

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

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: A larger deformation or collapse of the tunnel is readily encountered during tunnel excavation.The results showed that the double-side-drift method with temporary vertical support achieves betterIn 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    

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 carbonaceousBy presenting a simplified method to predict main vibration frequency, this research may provide significant

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

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 arepoint cloud of the material surface is collected and reconstructed by polynomial response surface (PRS) methodThe experimental results show that the proposed surface reconstruction method can accurately representOn the basis of reconstructed surface, the PTP trajectory planning method rapidly obtains a reasonableCompared with the common excavation trajectory planning approaches, the proposed method tends to be more

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

Influencing factors and control measures of excavation on adjacent bridge foundation based on analytichierarchy process and finite element method

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-limitedIn this paper, an innovative method is proposed that combines an analytic hierarchy process (AHP) witha finite element method (FEM) to reveal the potential impact risk of uncertain factors on the surroundingIt was found that the excavation depth and the distance between the foundation pit and the bridge foundationA novel method for combining AHP with FEM can be used to determine the key influencing aspects among

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

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 excavationAdvance the basis for the hypothesis of deformation rate ratio criterion (DRRC) and the method for obtainingThe success and failure in the Maoshan expressway tunnel excavation are deducted and verified from positiveObtain the method of DRRC for constituting a typical information method, which is characterized by theDRRC is a kind of hypothetico-deductive method, and it is also a preliminary application of metasynthesis

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

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.

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

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 thelower and upper bounds of the finite element limit analysis method.The 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    

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    

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    

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: geological conditions in the land are strongly weathered granite with enriched groundwater, shallow-buried excavationmethod is adopted.

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

Improved prediction of pile bending moment and deflection due to adjacent braced excavation

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0961-2

Abstract: ., the excavation geometry, diaphragm wall thickness, pile geometry, strength and small-strain stiffnesswell-calibrated numerical analyses of hypothetical cases, using the three-dimensional finite element methodIn addition, the three-dimensional nature of the excavation work was characterized by considering theexcavation corner effect, using the plane strain ratio parameter.

Keywords: pile responses     excavation     prediction     deflection     bending moments    

Seepage failure by heave in sheeted excavation pits constructed in stratified cohesionless soils

Serdar KOLTUK, Jie SONG, Recep IYISAN, Rafig AZZAM

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1415-1431 doi: 10.1007/s11709-019-0565-z

Abstract: experimental and numerical investigations are performed to clarify the seepage failure by heave in sheeted excavationsoils in which a relatively permeable soil layer ( ) lies above a less permeable soil layer ( ) between excavationIt is shown that the evaluation of base stabilities of excavation pits against seepage failure by usingFurther investigations are performed by using axisymmetric excavation models with various dimensions

Keywords: seepage failure by heave     cohesionless stratified soil     model test     Terzaghi and Peck’s approach     FE analysis    

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 strengthA 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 excavationmethod    

Title Author Date Type Operation

Application of random set method in a deep excavation: based on a case study in Tehran cemented alluvium

Arash SEKHAVATIAN, Asskar Janalizadeh CHOOBBASTI

Journal Article

Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

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

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

Tae Un PAK; Guk Rae JO; Un Chol HAN

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 analytichierarchy process and finite element method

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

Journal Article

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

Li Shihui,Song Jun

Journal Article

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

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

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

Fu Hongxian,Liu Yongsheng,Guo Yanjing,Huang Mingqi

Journal Article

Improved prediction of pile bending moment and deflection due to adjacent braced excavation

Journal Article

Seepage failure by heave in sheeted excavation pits constructed in stratified cohesionless soils

Serdar KOLTUK, Jie SONG, Recep IYISAN, Rafig AZZAM

Journal Article

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

Yong Zhao, Huawu He, Pengfei Li

Journal Article