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Large-scale model test study on the water pressure resistance of construction joints of karst tunnel

Frontiers of Structural and Civil Engineering   Pages 1249-1263 doi: 10.1007/s11709-023-0974-x

Abstract: Model tests and numerical calculations were adopted based on the New Yuanliangshan tunnel project toA large-scale model test was designed and conducted, innovatively transforming the external water pressureon the water pressure resistance of the construction joint were analyzed, and the reliability of the modelpressure resistance of the construction joint determined via numerical calculations is similar to the modeltest results, indicating that the model test results have high accuracy and reliability.

Keywords： karst tunnel     lining construction joint     water pressure resistance     large-scale model test     numerical    

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Investigation on the integral output power model of a large-scale wind farm

BAO Nengsheng, MA Xiuqian, NI Weidou

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 67-78 doi: 10.1007/s11708-007-0006-x

Abstract: The integral output power model of a large-scale wind farm is needed when estimating the wind farm sThe actual wind speed power model and calculation method of a wind farm made up of many wind turbineconsidering the multi-effects among the wind turbine units and certain assumptions, the incoming wind flow modelThe calculation algorithms and steps of the integral output power model of a large-scale wind farm areThe characteristics of a large-scale wind farm are also discussed.

Keywords： power model     actual     energy     large-scale     practical measurement    

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Dynamic Coordinated Management Model of Programme in Large-Scale Construction Company

Feng Guo,Yi-qi Chen,Yi-qing Cai

Frontiers of Engineering Management 2015, Volume 2, Issue 3,   Pages 287-292 doi: 10.15302/J-FEM-2015041

Abstract: Large-scale construction companies develop rapidly when facing more and more opportunities and challengestheory to programme management according to the need of changing the existing management mode in large-scaleconstruction companies, then puts forward the dynamic coordinated management model composed of the dynamic

Keywords： large-scale construction company     programme     dynamic coordinated management     model    

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Large Scale Infrastructure Projects: The Art of Project or Change Management?

Geert Letens,Kurt Verweire,Peter De Prins

Frontiers of Engineering Management 2016, Volume 3, Issue 3,   Pages 197-202 doi: 10.15302/J-FEM-2016033

Abstract: of managing projects in the construction industry in general and an inevitable challenge for large scaleReflections on the application of this model in the construction industry and in large scale infrastructure

Keywords： large scale project management     organization development and change     batteries of change model    

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A multi-scale model for CO

G. X. WANG, X. R. WEI, V. RUDOLPH, C. T. WEI, Y. QIN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 20-25 doi: 10.1007/s11705-009-0138-0

Abstract: This paper presents a multi-scale model to simulate the multicomponent gas diffusion and flow in bulkThe model is developed based on a bi-dispersed structure model by assuming that coal consists of microporousThe bi-disperse diffusion theory and the Maxwell-Stefan approach were incorporated in the model, providingIn the model, the counter diffusion process is numerically coupled with the flow of the mixture gasesThe model was validated by both experimental data from literature and our CO flush tests, and shows

Keywords： multi-scale model     gas transport     coal     coalbed methane     CO2 sequestration    

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Management and Practice of Large-Scale Modern Coal Enterprises

An Wang

Frontiers of Engineering Management 2014, Volume 1, Issue 1,   Pages 13-17 doi: 10.15302/J-FEM-2014004

Abstract: The construction of modernized mines based on "four orientations", that is, orientations of scale productionshifting to the West of China, will be exposed to new options and development in the layout, structure, model

Keywords： coal industry     sustainable development     the four-orientation model    

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Hydromechanical model for hydraulic fractures using XFEM

Bo HE

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 240-249 doi: 10.1007/s11709-018-0490-6

Abstract: In this study, a hydromechanical model for fluid flow in fractured porous media is presented.Furthermore, the model is extended to includes crack propagation.Finally, examples are presented to demonstrate the versatility and efficiency of this two-scale hydromechanicalmodel.

Keywords： multi-phase medium     porous     fracture     multi-scale method    

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Multi-time scale dynamics in power electronics-dominated power systems

Xiaoming YUAN, Jiabing HU, Shijie CHENG

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 303-311 doi: 10.1007/s11465-017-0428-z

Abstract:

Electric power infrastructure has recently undergone a comprehensive transformation from electromagnetics to semiconductors. Such a development is attributed to the rapid growth of power electronic converter applications in the load side to realize energy conservation and on the supply side for renewable generations and power transmissions using high voltage direct current transmission. This transformation has altered the fundamental mechanism of power system dynamics, which demands the establishment of a new theory for power system control and protection. This paper presents thoughts on a theoretical framework for the coming semiconducting power systems.

Keywords： power electronics     power systems     multi-time scale dynamics     mass-spring-damping model     self-stabilizingand en-stabilizing property     multi-time scale power system stabilizer    

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Full scale model tests and nonlinear analysis of prestressed concretesimply supported box girders

Fang Zhi,Tang Shenghua,He Xin

Strategic Study of CAE 2012, Volume 14, Issue 10,   Pages 73-81

Abstract:

Full scale model tests were carried out on a 30 m span prestressed concrete

Keywords： prestressed concrete     box girder     full scale model test     nonlinear analysis     bearing capacity     ductility    

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Investigation of carbon dioxide photoreduction process in a laboratory-scale photoreactor by computational

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7,   Pages 1149-1163 doi: 10.1007/s11705-021-2096-0

Abstract: To improve our understanding of the mechanisms of carbon dioxide photoreduction, a multiphysics modelThe novelty of this work is the computational fluid dynamic model combined with the novel carbon dioxideand Beer-Lambert model.The carbon dioxide photoreduction process conducted in a laboratory-scale reactor under different carbondioxide and water moisture partial pressures was then modeled based on the intrinsic kinetic model.

Keywords： carbon dioxide photoreduction     computational fluid dynamic simulation     kinetic model     Langmuir adsorption    

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Full scale model test of segmental precast concrete box girder with external and internal tendons

Zheng Kaiqi,Bu Hongqi,Liu Zhao,Hui Zhuo,Lv Zhitao

Strategic Study of CAE 2013, Volume 15, Issue 8,   Pages 89-94

Abstract: prestressed concrete box girder the regular service stage and the construction state, a span of 48 m full scalebox girder model of this type was tested for the Fourth Nanjing Yangtze River Bridge approach.The model test results show that at the regular service stage, the residual deformation of the girder

Keywords： segmental precast     model test     external prestress     full scale test    

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Cloud-Model-Based Feature Engineering to Analyze the Energy–Water Nexus of a Full-Scale Wastewater Treatment

Shan-Shan Yang,Xin-Lei Yu,Chen-Hao Cui,Jie Ding,Lei He,Wei Dai,Han-Jun Sun,Shun-Wen Bai,Yu Tao,Ji-Wei Pang,Nan-Qi Ren,

Engineering doi: 10.1016/j.eng.2022.02.011

Abstract: In this study, a cloud-model-based energy-consumption analysis (CMECA) of a WWTP was conducted to explore

Keywords： Wastewater treatment plants     Cloud-model theory     Data mining     Principal component analysis     K     -means clustering     Cloud-model-based energy-consumption analysis    

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Influence of damages on static behavior of single-layer cable net supported glass curtain wall: full-scalemodel test

Gang SHI, Yongjiu SHI, Yuanqing WANG, Yongzhi ZUO, Xiaohao SHI, Zaoyang GUO,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 383-395 doi: 10.1007/s11709-010-0074-6

Abstract: such damages on the static behavior of the single-layer cable net supported glass curtain wall, a full-scalemodel with the outside outline size of 4.85 m × 4.85 m and 4 × 4 grids is designeddamages that are the cable prestress loss and cable anchorage end failure are led into the structure model

Keywords： single-layer plane cable net supported glass curtain wall     damage     cable prestress loss     cable anchorage end failure     stiffness contribution of glass panels    

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Hydroelastic model experimental study on large scale high arch dam vibration by discharge flow

Ma Bin,Lian Jijian,Yang Min

Strategic Study of CAE 2008, Volume 10, Issue 11,   Pages 23-29

Abstract:

Scale effect exists in the model experiment, so large-scale model isgenerally utilized to reduce the scale effect.Based on Laxiwa arch dam, the hydroelastic model with a scale of 1∶100 is built, which is made of weighted

Keywords： Laxiwa arch dam     hydroelastic model     flow-induced vibration     vibration response     inverse analysis    

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Structure controlling and process scale-up in the fabrication of nanomaterials

Chunzhong LI,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 1,   Pages 18-25 doi: 10.1007/s11705-009-0305-3

Abstract: The research on process engineering and scale-up will be very important for the commercial productiontechnologies for magnetic powders, calcium carbonate, and titanium dioxide have been developed for commercial-scaleproduction, and the largest production scale has reached 15 kt/year.

Keywords： scale-up     significant commercial     electroanalytical     engineering     laboratory    

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Title Author Date Type Operation

Large-scale model test study on the water pressure resistance of construction joints of karst tunnel

Journal Article

Investigation on the integral output power model of a large-scale wind farm

BAO Nengsheng, MA Xiuqian, NI Weidou

Journal Article

Dynamic Coordinated Management Model of Programme in Large-Scale Construction Company

Feng Guo,Yi-qi Chen,Yi-qing Cai

Journal Article

Large Scale Infrastructure Projects: The Art of Project or Change Management?

Geert Letens,Kurt Verweire,Peter De Prins

Journal Article

A multi-scale model for CO

G. X. WANG, X. R. WEI, V. RUDOLPH, C. T. WEI, Y. QIN

Journal Article

Management and Practice of Large-Scale Modern Coal Enterprises

An Wang

Journal Article

Hydromechanical model for hydraulic fractures using XFEM

Bo HE

Journal Article

Multi-time scale dynamics in power electronics-dominated power systems

Xiaoming YUAN, Jiabing HU, Shijie CHENG

Journal Article

Full scale model tests and nonlinear analysis of prestressed concretesimply supported box girders

Fang Zhi,Tang Shenghua,He Xin

Journal Article

Investigation of carbon dioxide photoreduction process in a laboratory-scale photoreactor by computational

Journal Article

Full scale model test of segmental precast concrete box girder with external and internal tendons

Zheng Kaiqi,Bu Hongqi,Liu Zhao,Hui Zhuo,Lv Zhitao

Journal Article

Cloud-Model-Based Feature Engineering to Analyze the Energy–Water Nexus of a Full-Scale Wastewater Treatment

Shan-Shan Yang,Xin-Lei Yu,Chen-Hao Cui,Jie Ding,Lei He,Wei Dai,Han-Jun Sun,Shun-Wen Bai,Yu Tao,Ji-Wei Pang,Nan-Qi Ren,

Journal Article

Influence of damages on static behavior of single-layer cable net supported glass curtain wall: full-scalemodel test

Gang SHI, Yongjiu SHI, Yuanqing WANG, Yongzhi ZUO, Xiaohao SHI, Zaoyang GUO,

Journal Article

Hydroelastic model experimental study on large scale high arch dam vibration by discharge flow

Ma Bin,Lian Jijian,Yang Min

Journal Article

Structure controlling and process scale-up in the fabrication of nanomaterials

Chunzhong LI,

Journal Article