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Analysis of mechanical behaviors of big pipe-roof for shallow buried large-span tunnel

Li Jian,Tan Zhongsheng,Yu Yu,Ni Lusu

Strategic Study of CAE 2011, Volume 13, Issue 9,   Pages 92-96

Abstract:

A series of research on mechanical behaviors of big pipe-roof in shallowThe longitudinal deformations of the pipe-roofs are monitored and the mechanical behaviors of the pipe-roofsThe force-deformation law of big pipe roof in loess tunnel was obtained: in front of the excavating faceabout 15 m, the pipe roof started to bear the load; after the excavating face about 15 m,the load becameforce of pipe-roofs was at the excavating face.

Keywords： shallow burying mining     undercrossing construction     loess tunnel     pipe-roof     deformation monitoring    

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Effects of green roof damping and configuration on structural seismic response

Frontiers of Structural and Civil Engineering   Pages 1133-1144 doi: 10.1007/s11709-023-0959-9

Abstract: The soil of a green roof can serve as a damper to dissipate the energy generated by earthquakes or otherResults of preliminary analysis show that a green roof soil can increase localized damping by 2.5% underconducted on a three-story building in SAP2000 to monitor the structural behavior with and without a green roofThe increased damping in the green roof soil is beneficial to the structural performance, i.e., it reduces

Keywords： green infrastructure     green roof     structural resilience     seismic design    

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Major applications of heat pipe and its advances coupled with sorption system: a review

Yang YU, Guoliang AN, Liwei WANG

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 172-184 doi: 10.1007/s11708-019-0610-6

Abstract: Heat pipe utilizes continuous phase change process within a small temperature drop to achieve high thermalIn addition to some typical applications of thermal control and heat recovery, the heat pipe technologyThis paper presents an overview of the emerging working fluids, the major applications of heat pipe,and the advances in heat pipe type sorption system.Besides, the ongoing and perspectives of the solid sorption heat pipe are presented, expecting to serve

Keywords： heat pipe     sorption system     heat transfer     solid sorption heat pipe    

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Design and analyses of open-ended pipe piles in cohesionless soils

Yuan GUO,Xiong (Bill) YU

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 22-29 doi: 10.1007/s11709-016-0314-5

Abstract: Large open-ended pipe pile has been found to be advantageous for use in transportation projects.To close this practice gap, this paper first summarized different design methods for open-ended piperesults show that the arching effect significantly increases the internal unit shear resistance along pipe

Keywords： open-ended pipe pile     soil plug     DEM     base capacity    

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Group-based multiple pipe routing method for aero-engine focusing on parallel layout

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 798-813 doi: 10.1007/s11465-021-0645-3

Abstract: External pipe routing for aero-engine in limited three-dimensional space is a typical nondeterministiclayout of pipes plays an important role in improving the utilization of layout space, facilitating pipeThis paper presents an automatic multiple pipe routing method for aero-engine that focuses on parallelBased on these rough paths, the information of pipe grouping and sequencing are obtained according todifferential evolution algorithm, which adopts the coevolutionary strategy, is used to solve multiple pipe

Keywords： multiple pipe routing     optimization algorithm     aero-engine     pipe grouping     parallel layout    

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Fragility assessment of wood sheathing panels and roof-to-wall connections subjected to wind loading

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 867-876 doi: 10.1007/s11709-021-0745-5

Abstract: majority of the wind damage resulted from building envelope failure most typically due to the loss of the roofwith a focus on the roofs, fragility analysis can be used to estimate the probability of failure of a roofThus, this paper examines the fragility of specific types of nails, roof-to-wall (RW) connection detailsThe eight fragility models suggest that the safest roof sheathing (RS) is the 1.22 m × 1.22 m sheathing

Keywords： tornadoes     wind loads     low-rise buildings     fragility analysis     risk assessment     structural failures    

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A review of nondestructive examination technology for polyethylene pipe in nuclear power plant

Jinyang ZHENG, Yue ZHANG, Dongsheng HOU, Yinkang QIN, Weican GUO, Chuck ZHANG, Jianfeng SHI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 535-545 doi: 10.1007/s11465-018-0515-9

Abstract:

Polyethylene (PE) pipe, particularly high-density polyethylene (HDPE) pipe, has been successfullyThough ASME Code Case N755, which is the first code case related to NPP HDPE pipe, requires a thoroughno executable regulations presently exist because of the lack of a feasible NDE technique for HDPE pipeThis work presents a review of current developments in NDE technology for both HDPE pipe in NPP withcategory, phased array ultrasonic technique is proven effective for inspecting typical defects in HDPE pipe

Keywords： polyethylene pipe     nuclear power plant     ultrasonic inspection     nondestructive testing     safety assessment    

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Collapse fragility assessment of steel roof framings with force limiting devices under transient wind

Linjia BAI, Yunfeng ZHANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 199-209 doi: 10.1007/s11709-012-0168-4

Abstract: Steel structural frame is a popular structural form to cover large-span roof space and under high windsEither part of the roof enclosure or the entire roof structure can be lifted off a building, particularlyCollapse of roof could cause severe economic loss and poses safety risk to residents in the building.The buckling of members in a steel roof frame structure, which may lead to progressive collapse, mayThis paper presents a fragility analysis of the collapse of steel roof frame structures under combined

Keywords： collapse     dynamic response     fragility analysis     Monte Carlo simulation     wind load    

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Calculation method of load distribution on pipe threaded connections under tension load

Shoujun CHEN, Lianxin GAO, Qi AN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 241-248 doi: 10.1007/s11465-011-0219-x

Abstract:

This paper presents a new calculation method that can calculate the load distribution on pipe threadedBy applying the new method on the sample of P-110S pipe threaded connection, the obtained results show

Keywords： load distribution     calculation method     pipe threaded connections     tension load    

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NC flame pipe cutting machine tool based on open architecture CNC system

Xiaogen NIE, Yanbing LIU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 147-152 doi: 10.1007/s11465-009-0025-x

Abstract: Based on the analysis of the principle and flame movement of a pipe cutting machine tool, a retrofitNC flame pipe cutting machine tool (NFPCM) that can meet the demands of cutting various pipes is proposed

Keywords： flame pipe cutting     flame incision tracks     CNC     open architecture CNC system    

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Branch-pipe-routing approach for ships using improved genetic algorithm

Haiteng SUI,Wentie NIU

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 316-323 doi: 10.1007/s11465-016-0384-z

Abstract:

Branch-pipe routing plays fundamental and critical roles in ship-pipe design.The branch-pipe-routing problem is a complex combinatorial optimization problem and is thus difficultBranch pipes in layout space are regarded as a combination of several two-point pipes, and the pipe route

Keywords： branch pipe     ship industry     piping system     optimization algorithm    

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Assessment of glass fiber-reinforced polyester pipe powder in soil improvement

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 742-753 doi: 10.1007/s11709-021-0732-x

Abstract: This study investigates the use of glass fiber-reinforced polyester (GRP) pipe powder (PP) for improving

Keywords： shallow foundation     sandy soil     bearing capacity     soil improvement     pipe powder    

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Dynamic prediction of moving trajectory in pipe jacking: GRU-based deep learning framework

Frontiers of Structural and Civil Engineering   Pages 994-1010 doi: 10.1007/s11709-023-0942-5

Abstract: The moving trajectory of the pipe-jacking machine (PJM), which primarily determines the end quality ofTo verify the performance of the proposed framework, a case study of a large pipe-jacking project inthat the proposed framework can dynamically and precisely predict the PJM moving trajectory during the pipe-jackingcontrol and serve as a foundation for the application of deep learning in the automatic control of pipe

Keywords： dynamic prediction     moving trajectory     pipe jacking     GRU     deep learning    

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Design and construction of steel roof truss on top of Three Gorges Project ship lift machine room

Sun Changzhong

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 33-39

Abstract:

According to the use of the steel roof truss on top of the Three GorgesProject ship lift machine room, steel roof truss structure is analyzed.rack, roof panel, etc.The structure design method and construction scheme of the steel roof of Three Gorges Project ship liftthe top room truss ensure the smooth installation of the steel roof truss and safe operation.

Keywords： ship lift     computer room     steel roof truss     design     construction     Three Gorges Project    

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Fictitious soil pile model for dynamic analysis of pipe piles under high-strain conditions

Frontiers of Structural and Civil Engineering   Pages 915-934 doi: 10.1007/s11709-023-0907-8

Abstract: A fictitious soil pile (FSP) model is developed to simulate the behavior of pipe piles with soil plugsthe predictions of the proposed model and conventional numerical models, as well as measurements for pipeFinally, the effective length of the FSP is proposed to approximate the affected soil zone below the pipe

Keywords： fictitious soil pile     soil plug     pipe piles     high-strain dynamic analysis     one-dimensional wave theory    

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Title Author Date Type Operation

Analysis of mechanical behaviors of big pipe-roof for shallow buried large-span tunnel

Li Jian,Tan Zhongsheng,Yu Yu,Ni Lusu

Journal Article

Effects of green roof damping and configuration on structural seismic response

Journal Article

Major applications of heat pipe and its advances coupled with sorption system: a review

Yang YU, Guoliang AN, Liwei WANG

Journal Article

Design and analyses of open-ended pipe piles in cohesionless soils

Yuan GUO,Xiong (Bill) YU

Journal Article

Group-based multiple pipe routing method for aero-engine focusing on parallel layout

Journal Article

Fragility assessment of wood sheathing panels and roof-to-wall connections subjected to wind loading

Journal Article

A review of nondestructive examination technology for polyethylene pipe in nuclear power plant

Jinyang ZHENG, Yue ZHANG, Dongsheng HOU, Yinkang QIN, Weican GUO, Chuck ZHANG, Jianfeng SHI

Journal Article

Collapse fragility assessment of steel roof framings with force limiting devices under transient wind

Linjia BAI, Yunfeng ZHANG

Journal Article

Calculation method of load distribution on pipe threaded connections under tension load

Shoujun CHEN, Lianxin GAO, Qi AN

Journal Article

NC flame pipe cutting machine tool based on open architecture CNC system

Xiaogen NIE, Yanbing LIU

Journal Article

Branch-pipe-routing approach for ships using improved genetic algorithm

Haiteng SUI,Wentie NIU

Journal Article

Assessment of glass fiber-reinforced polyester pipe powder in soil improvement

Journal Article

Dynamic prediction of moving trajectory in pipe jacking: GRU-based deep learning framework

Journal Article

Design and construction of steel roof truss on top of Three Gorges Project ship lift machine room

Sun Changzhong

Journal Article

Fictitious soil pile model for dynamic analysis of pipe piles under high-strain conditions

Journal Article