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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: , compared with individual tunnel and conjoined tunnel,multi-arch tunnel has the question of mother rockIn the geological condition of shallow buried, soft rock, and carst, et al. the mother rock of thesecombining field engineering construction, analyzed the Baiguoba Tunnel with MIDAS-GTS, laid the emphasis on surroundingrock mechanics property, drew a conclusion of stress regularity, and put up the countermeasure to the

Keywords： multi-arch tunnel     numerical simulation     surrounding rock     stress    

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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: caverns, and grouting modification using high-strength concrete-to resist fault dislocation in the surroundingwas used to investigate the influence of LRAF methods on the stress and displacement fields of the surroundingrock, and the anti-fault effect was evaluated.rock near the tunnels crossing fault.The research results provide a new supporting idea for the surrounding rock of tunnels crossing active

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

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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 surroundingrock deformation 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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Construction optimization of shallow-buried tunnel in gravel strata based on controlling settlement of the crown

Yu Jun,Liu Songyu and Gong Xiaonan

Strategic Study of CAE 2013, Volume 15, Issue 10,   Pages 97-102

Abstract:

The stability of surrounding rock is closely connected with the settlementof the crown to optimize the project as a goal controlling settlement of the crown and stability of surroundingrock.

Keywords： gravel     surrounding rock of tunnel     numerical analysis     construction optimization     crown settlement    

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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: the large-section loess tunnels on China’s high-speed railway, including classification of the surroundingrock, design of the supporting structure, surface settlement and cracking control, and safe and rapidThe research results show that the classification of loess strata surrounding large tunnels should beThe pressure of the surrounding rock of a large-section loess tunnel should be calculated according to

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

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Classification Model and Its Application of Stability of Roadway Driving Along Next Goaf for Fully-mechanized Caving Face

Zhu Chuanqu,Wang Weijun,Shi Shiliang

Strategic Study of CAE 2006, Volume 8, Issue 3,   Pages 35-38

Abstract: goaf for fully-mechanized caving face is synthetically influenced by many factors such as intensity of surroundingrock, intensity of coal, mining depth, joint and crack of surrounding rock, mining operation, top coal

Keywords： roadway driving along next goaf for fully-mechanized caving face     stability of surrounding rock     classification    

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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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Numerical study on the seismic response of the underground subway station- surrounding soil mass-ground

Guobo WANG, Mingzhi YUAN, Xianfeng MA, Jun WU

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 424-435 doi: 10.1007/s11709-016-0381-7

Abstract: In this paper, the seismic response of the Underground subway station-Surrounding soil mass-Ground adjacentbetween subway station and ground adjacent building, and their effects on the dynamic characteristics of surroundingnumerical study, it is found that the impact of underground structure on the dynamic characteristics of the surrounding

Keywords： underground subway station     ground adjacent building     seismic response    

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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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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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Mechanical properties of rock materials with related to mineralogical characteristics and grain size

Wenjuan SUN, Linbing WANG, Yaqiong WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 322-328 doi: 10.1007/s11709-017-0387-9

Abstract: Mechanical properties of rock materials are related to textural characteristics.Textural characteristics of rock materials are influenced by the following factors: mineral composition

Keywords： Mechanical properties     rock material     texture     mineral characteristics    

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Assessment of pollution of potentially harmful elements in soils surrounding a municipal solid waste

Ying Han, Huiting Xie, Wenbin Liu, Haifeng Li, Mengjing Wang, Xuebin Chen, Xiao Liao, Nan Yan

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0873-7

Abstract: Potentially harmful elements in ambient soil of a MSWI were assessed. Spatial distribution of potential ecological risk index was investigated. Health risk assessment of potentially harmful elements in soil was evaluated. Hg in the soil posed health hazards to the local population. We assessed the contamination levels of Mn, Zn, Cr, Cu, Ni, Pb, As and Hg and the risks posed by these potentially harmful elements in top-soils around a municipal solid waste incinerator (MSWI). We collected 20 soil samples, with an average pH of 8.1, and another fly ash sample emitted from the MSWI to investigate the concentrations of these elements in soils. We determined the concentrations of these elements by inductively coupled plasma–optical emission spectrometer (ICP-OES), except for Hg, which we measured by AF-610B atomic fluorescence spectrometer ( ). We assessed the risks of these elements through the use of geoaccumulation index ( ), potential ecological risk index ( ), hazard quotient ( ) and cancer risk ( ). The results showed that concentrations of potentially harmful elements in soil were influenced by the wind direction, and the concentrations of most elements were higher in the area northwest of the MSWI, compared with the area southeast of the incinerator, with the exception of As; these results were in accordance with those results acquired from our contour maps. According to the values, some soil samples were clearly polluted by Hg emissions. However, the health risk assessment indicated that the concentrations of Hg and other elements in soil did not pose non-carcinogenic risks to the local populations. This was also the case for the carcinogenic risks posed by As, Cr, and Ni. The carcinogenic risk posed by As was higher, in the range 6.49 × 10 –9.58 × 10 , but this was still considered to be an acceptable level of risk.

Keywords： Soil     Potentially harmful elements     Contamination     Kriging interpolation     Risk assessment     Wind direction    

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Frost heave and freezing processes of saturated rock with an open crack under different freezing conditions

Zhitao LV, Caichu XIA, Yuesong WANG, Ziliang LIN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 947-960 doi: 10.1007/s11709-020-0638-z

Abstract: illustrate the reasons for this phenomenon, a numerical model on the freezing processes of saturated rockNumerical results show that a frozen shell that blocks the migration of water in crack to rock developsHowever, the migration path of water in crack to the unfrozen rock under freezing front exists underThe freezing process and permeability of rock together determine the migration of water in crack andTherefore, the freezing condition and rock permeability determine the frost heave of rock with crack

Keywords： frost heave     rock with crack     freezing process     freezing condition     frost heave mode    

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Title Author Date Type Operation

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

Ren Shaoqiang

Journal Article

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

Journal Article

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

Zhang Junyan,Feng Shouzhong,Liu Donghai

Journal Article

Construction optimization of shallow-buried tunnel in gravel strata based on controlling settlement of the crown

Yu Jun,Liu Songyu and Gong Xiaonan

Journal Article

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

Yong Zhao, Huawu He, Pengfei Li

Journal Article

Classification Model and Its Application of Stability of Roadway Driving Along Next Goaf for Fully-mechanized Caving Face

Zhu Chuanqu,Wang Weijun,Shi Shiliang

Journal Article

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

Ali JENABIDEHKORDI

Journal Article

Numerical study on the seismic response of the underground subway station- surrounding soil mass-ground

Guobo WANG, Mingzhi YUAN, Xianfeng MA, Jun WU

Journal Article

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

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

Mechanical properties of rock materials with related to mineralogical characteristics and grain size

Wenjuan SUN, Linbing WANG, Yaqiong WANG

Journal Article

Assessment of pollution of potentially harmful elements in soils surrounding a municipal solid waste

Ying Han, Huiting Xie, Wenbin Liu, Haifeng Li, Mengjing Wang, Xuebin Chen, Xiao Liao, Nan Yan

Journal Article

Frost heave and freezing processes of saturated rock with an open crack under different freezing conditions

Zhitao LV, Caichu XIA, Yuesong WANG, Ziliang LIN

Journal Article