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Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 745-762 doi: 10.1007/s11709-023-0935-4

Abstract: to shallow tunneling in multi-layered ground with an arbitrary ground surface load.The ground layers are assumed to be linear-elastic with full-stick contact between them.in multi-layered ground; thus, it can be used with assurance to estimate the ground movement and surfacebuilding safety of shallow tunnel constructions beneath surface buildings.composite ground.

Keywords： analytical model     mechanical response     multi-layered ground     shallow tunneling     ground surface load    

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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: The following main items related to ground surface movements and deformations were collected: (1) wallsand circumferential soils lateral movements; (2) peripheral soil deflection in layers and ground settlements

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

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Seismic ground motion analysis of Shanghai Pudong Airport site considering the effects of spatial correlation

JIANG Tong, CHEN Laiyun, XING Hailing, L? Xilin

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 430-435 doi: 10.1007/s11709-007-0058-3

Abstract: The spatial correlation of seismic ground motion, as well as the amplification of soft alluvium and theThe surface ground motion was calculated under incidence of the spatially correlative seismic motionFinally, some characteristics of seismic ground motion calculated for previously mentioned cases are

Keywords： surface ground     horizontal uniform     Finally     seismic ground     correlative seismic    

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Lateral displacement of soft ground under vacuum pressure and surcharge load

Chin-Yee ONG, Jin-Chun CHAI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 2,   Pages 239-248 doi: 10.1007/s11709-011-0110-1

Abstract: vacuum pressure will induce settlement and inward lateral displacement of a ground.under the combination of vacuum pressure and surcharge load.to vacuum pressure ( ) and the loading rate of the surcharge load ( ).To predict the lateral displacement of a ground under the combination of surcharge load and vacuum pressure, the loading conditions in terms of and , and value of the ground have to be considered.

Keywords： vacuum consolidation     lateral displacement     PVD     finite element analysis     surcharge load    

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Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 731-745 doi: 10.1007/s11709-020-0614-7

Abstract: Dip-slip surface faulting in reverse mechanism of 60-degree is modeled by a fault simulator box in aprogression and locations of damages to the tunnels are assessed through a gradual increase in Permanent GroundThe ground surface deformations and strains, fault surface trace, fault scarp and the sinkhole causedThese ground surface deformations are major threats to stability, safety and serviceability of the structures

Keywords： reverse fault rupture     continuous tunnel     geotechnical centrifuge     ground surface deformations     fragility    

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The convexity about ultimate bearing hypersurfaces of structures

Chengxi GUO,Tingting GUO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 456-461 doi: 10.1007/s11709-016-0334-1

Abstract: The relationship between the convexity on the ultimate bearing surface of a structure and the second-orderThe outward convexity is kept when the surface is expressed by certain dimensionless parameters.the bearing capacity state of a complex structure can be made on the basis of several points on the surface

Keywords： service     limit load     ultimate bearing surface     convexity     generalized force     generalized displacement     frame    

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Comparison of shallow tunneling method with pile and rib method for construction of subway station in soft ground

Sina AMIRI; Ali Naghi DEHGHAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 704-717 doi: 10.1007/s11709-021-0746-4

Abstract: The maximum ground settlement of 29.84 mm obtained from this method was related to the station axis,In the next stage, based on the numerical model validated by instrumentation data, the value of the groundsurface settlement was investigated during the station excavation and construction by STM.The results obtained from STM showed a significant reduction in the ground surface settlement comparedAlso, the sensitivity analysis results denoted that in addition to controlling the surface settlement

Keywords： shallow tunneling method     pile and rib method     ground surface settlement     subway station construction    

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Research on the Impact of Mining in Steep Seam on Ground Struc ture

Gao Mingzhong,Wang Lieping

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 142-146

Abstract: condition of deep excavat ion in Huainan, probability-integral method is ewployed to study the for surface

Keywords： steep seam     surface movement and deformation     probability-integral method     predictions    

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R&D of the ground-coupled heat pump technology in China

Nairen DIAO, Ping CUI, Junhong LIU, Zhaohong FANG,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 47-54 doi: 10.1007/s11708-009-0080-3

Abstract: The ground-coupled heat pump (GCHP) systems have been identified as one of the best sustainable energyNew models are presented for efficient thermal analysis of ground heat exchangers, of which one- andtwo-dimensional solid cylindrical source models and their analytical solutions are devised to deal with pile ground

Keywords： ground source heat pump     ground heat exchanger     HVAC     China    

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INTERACTIONS BETWEEN ABOVE AND BELOW GROUND PLANT STRUCTURES: MECHANISMS AND ECOSYSTEM SERVICES

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 2,   Pages 197-213 doi: 10.15302/J-FASE-2021433

Abstract:

Interactions between above and below ground parts of plants can be considered under the (overlappingSolar energy powers photosynthesis and transpiration by above ground structures, and drives most wateruptake through roots and supplies energy as organic matter to below ground parts, including diazotrophicNO3– assimilation of above ground parts requires organic N transportInteraction of above and below ground plant parts is an important component of the ecosystem service

Keywords： aerenchyma / carbon accumulation / hormones / phloem / xylem    

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Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybrid

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 472-485 doi: 10.1007/s11708-015-0373-7

Abstract: The composite load is a combination of the static and dynamic load model.To develop this composite load model, the exponential load is used as a static load model and inductionmotors (IMs) are used as a dynamic load model.This aggregate model is used as a dynamic load model.exponential model of static load and for the fifth and third order IM dynamic load model using state

Keywords： isolated hybrid power system (IHPS)     composite load model     static load     dynamic load     induction motor loadmodel     aggregate load    

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Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 394-402 doi: 10.1007/s11708-014-0310-1

Abstract: The aim of this study is to evaluate the performance of a centralized open-loop ground-water heat pump

Keywords： ground-water heat pump (GWHP)     actual coefficient of performance     heat transfixion    

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Optimisation for interconnected energy hub system with combined ground source heat pump and borehole

Da HUO, Wei WEI, Simon Le BLOND

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 529-539 doi: 10.1007/s11708-018-0580-0

Abstract: Ground source heat pumps (GSHP) give zero-carbon emission heating at a residential level.However, as the heat is discharged, the temperature of the ground drops, leading to a poorer efficiencycombined heating system is incorporated into the interconnected multi-carrier system to support the heat load

Keywords： borehole thermal storage     energy hub     ground source heat pumps (GSHP)     particle swarm optimisation    

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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: Ground buildings constructed above metro station have increased very quickly due to the limited landIn this paper, the seismic response of the Underground subway station-Surrounding soil mass-Ground adjacentThe reciprocal influence between subway station and ground adjacent building, and their effects on thedimension, and the presence of underground structure has certain impact on the seismic response of groundDue to the presence of underground structure and ground adjacent building, the vertical acceleration

Keywords： underground subway station     ground adjacent building     seismic response    

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GENOME EDITING: A GROUND BREAKING RESEARCH HAS BEEN RANKED TOP 10 ENGINEERING FRONTS FROM 2017 TO 2021

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 2,   Pages 309-311 doi: 10.15302/J-FASE-2022440

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Title Author Date Type Operation

Mechanical responses of multi-layered ground due to shallow tunneling with arbitrary ground surface load

Journal Article

Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

Journal Article

Seismic ground motion analysis of Shanghai Pudong Airport site considering the effects of spatial correlation

JIANG Tong, CHEN Laiyun, XING Hailing, L? Xilin

Journal Article

Lateral displacement of soft ground under vacuum pressure and surcharge load

Chin-Yee ONG, Jin-Chun CHAI

Journal Article

Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Journal Article

The convexity about ultimate bearing hypersurfaces of structures

Chengxi GUO,Tingting GUO

Journal Article

Comparison of shallow tunneling method with pile and rib method for construction of subway station in soft ground

Sina AMIRI; Ali Naghi DEHGHAN

Journal Article

Research on the Impact of Mining in Steep Seam on Ground Struc ture

Gao Mingzhong,Wang Lieping

Journal Article

R&D of the ground-coupled heat pump technology in China

Nairen DIAO, Ping CUI, Junhong LIU, Zhaohong FANG,

Journal Article

INTERACTIONS BETWEEN ABOVE AND BELOW GROUND PLANT STRUCTURES: MECHANISMS AND ECOSYSTEM SERVICES

Journal Article

Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybrid

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Journal Article

Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Journal Article

Optimisation for interconnected energy hub system with combined ground source heat pump and borehole

Da HUO, Wei WEI, Simon Le BLOND

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

GENOME EDITING: A GROUND BREAKING RESEARCH HAS BEEN RANKED TOP 10 ENGINEERING FRONTS FROM 2017 TO 2021

Journal Article