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Experimental Study and Nonlinear Finite Element Analysis on the T-shaped Column Frame Structure Joints

Chen Changhong,Huang Ying,Ma Lewei,Wu Minzhe,Shan Jian

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 92-95

Abstract:

The paper makes experiment about six T-shaped cross section column framejoints under low periodic cycle loads. The paper points out that joints'crack shape appears as reverse "K"  but notsame time,  this paper makes use of a software ANSYS to develop the language APDL two times to T-shapedcrack and the joints failure mechanism.

Keywords： T-shaped joints     crack shape     failure mechanism     ANSYS     nonlinear finite element    

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Bending performance of composite bridge deck with T-shaped ribs

Qingtian SU, Changyuan DAI, Xu JIANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 990-997 doi: 10.1007/s11709-019-0532-8

Abstract: a new type of steel-concrete composite deck, which is composed of orthotropic steel deck (OSD) with T-shaped

Keywords： bending performance     composite bridge deck     T-shaped steel ribs    

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Reliability-based settlement analysis of embankments over soft soils reinforced with T-shaped deep cement

Chana PHUTTHANANON; Pornkasem JONGPRADIST; Daniel DIAS; Xiangfeng GUO; Pitthaya JAMSAWANG; Julien BAROTH

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 638-656 doi: 10.1007/s11709-022-0825-1

Abstract: This paper presents a reliability-based settlement analysis of T-shaped deep cement mixing (TDM) pile-supported

Keywords： T-shaped deep cement mixing piles     piled embankments     settlement     reliability analysis     soil uncertainties    

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Seismic behavior experimental study of frame joints with special-shaped column and dispersed steel bar

Shuchun LI, Bo DIAO, Youpo SU,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 378-383 doi: 10.1007/s11709-009-0064-8

Abstract: column, mechanical performance of three groups of six RC flame joints with special-shaped (L, T and+Experimental comparison was conducted between special-shaped (L, T and+) column and normal beams.The seismic behaviors of the joints with different proportions of dispersed-steel-bar beams were analyzedThe results of experimental analysis indicate that the mechanical and seismic behaviors of frame jointswith T-shaped and+-shaped column are nearly not changed when suitable proportion steel bars are dispersed

Keywords： beam with dispersed steel bar     flame joints with special-shaped beam and column     seismic behavior     scale    

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Slender reinforced concrete shear walls with high-strength concrete boundary elements

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 138-151 doi: 10.1007/s11709-022-0897-y

Abstract: Cold joints resulting from dissimilar concrete pours in the web and boundary elements of the HSC wall

Keywords： slender walls     high-strength concrete     rectangular and barbell-shaped walls     cold joints    

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Performance study on T-stub connected semi-rigid joint between rectangular tubular columns and H-shaped

Guochang LI, Hongping YU, Chen FANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 296-303 doi: 10.1007/s11709-013-0217-7

Abstract: This paper investigates the performance of T-stub connected semi-rigid joint of rectangular tubular columnsand H-shaped steel beams.Meanwhile, the dimensions of T-stub, column and beam are considered as analytic parameters to discussThe analysis shows that the thickness and the length of T-stub webs, the height of beam section, boltperformance of the joint largely, and the thickness of the steel tube, the thickness and length of T-stub

Keywords： rectangular tubular columns     T-stub     semi-rigid     nonlinear finite element analysis     moment-rotation curves    

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A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1800-y

Abstract:

● A spindle-shaped influent chamber was designed and equipped in

Keywords： Spindle-shaped chamber     Desalination performance     Flow electrode capacitive deionization    

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Conceptual design of compliant translational joints for high-precision applications

Guangbo HAO,Haiyang LI,Xiuyun HE,Xianwen KONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 4,   Pages 331-343 doi: 10.1007/s11465-014-0321-y

Abstract:

Compliant translational joints (CTJs) have been extensively used in precision engineering and microelectromechanical

Keywords： compliant mechanisms     translational joints     conceptual design     parallelogram     straight-line motion     combination    

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V-shaped substrate for surface and volume enhanced Raman spectroscopic analysis of microplastics

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1578-8

Abstract:

● V-shaped substrate was obtained for SERS analysis of microplastics

Keywords： SERS     V-shaped     AAO     Microplastic     Atmospheric aerosol    

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Performance of vertical axis water turbine with eye-shaped baffle for pico hydropower

Zhuohuan HU, Dongcheng WANG, Wei LU, Jian CHEN, Yuwen ZHANG

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 683-696 doi: 10.1007/s11708-020-0689-9

Abstract: The turbine with an eye-shaped vertical water baffle was developed to evaluate the hydraulic performanceThe proper eye-shaped baffle not only accelerates the fluid flow and generates positive hydrodynamic

Keywords： vertical axis water turbine     eye-shaped     vertical water baffle     pico hydropower    

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Discontinuous mechanical behaviors of existing shield tunnel with stiffness reduction at longitudinal joints

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 37-52 doi: 10.1007/s11709-022-0920-3

Abstract: The existing shield tunnel is regarded as a Timoshenko beam with longitudinal joints.The opening and relative dislocation of the longitudinal joints can be calculated using Dirac delta functionsThe effects of the stiffness reduction at the longitudinal joints (α and β), the shearingfor simulating the discontinuous mechanical behaviors of existing shield tunnels with longitudinal jointsIn addition, the joints allow rigid structures to behave flexibly in general, as well as allow flexible

Keywords： tunnel–soil interaction     discontinuous analysis     longitudinal joints     existing shield tunnel     Timoshenko    

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Parametric computational study on butterfly-shaped hysteretic dampers

Ali Reza FARZAMPOUR, Matthew Roy EATHERTON

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1214-1226 doi: 10.1007/s11709-019-0550-6

Abstract: investigate the shear yielding, flexural yielding, and lateral torsional buckling limit states for butterfly-shapedThe results indicate that as the shape of the butterfly-shaped links become too straight or conversely

Keywords： structural fuse     hysteretic damper     finite element analysis     energy dissipation     initial imperfection     butterfly-shaped    

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Experimental and numerical analysis of beam to column joints in steel structures

Gholamreza ABDOLLAHZADEH, Seyed Mostafa SHABANIAN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 642-661 doi: 10.1007/s11709-017-0457-z

Abstract: The behaviors such as extreme non-elastic response, constant changes in roughness and resistance, as well as formability under extreme loads such as earthquakes are the primary challenges in the modeling of beam-to-column connections. In this research, two modeling methods including mechanical and neural network methods have been presented in order to model the complex hysteresis behavior of beam-to-column connections with flange plate. First, the component-based mechanical model will be introduced in which every source of transformation has been shown only with geometrical and material properties. This is followed by the investigation of a neural network method for direct extraction of information out of experimental data. For the validation of behavioral curves as well as training of the neural network, the experiments were carried out on samples with real dimensions of beam-to-column connections with flange plate in the laboratory. At the end, the combinational modeling framework is presented. The comparisons reveal that the combinational modeling is able to display the complex narrowed hysteresis behavior of the beam-to-column connections with flange plate. This model has also been successfully employed for the prediction of the behavior of a newly designed connection.

Keywords： beam to column connections     experiments     component method     neural network model     combinational modeling    

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Weakening behavior of waterproof performance in joints of shield tunnels under adjacent constructions

Frontiers of Structural and Civil Engineering   Pages 884-900 doi: 10.1007/s11709-022-0912-3

Abstract: of shield tunnels frequently occurs in China, leading to deformation of tunnel lining and leakage in jointsIn this study, the weakening behavior of waterproof performance was investigated in the joints of shieldIt was determined that the joints with the greatest decline in waterproof performance were located atWhen the waterproof performance of these joints decreased to 50% and 30%, the transverse deformations

Keywords： shield tunnel     waterproof performance     horizontal transverse deformation     joint opening     weakening behavior    

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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: New Yuanliangshan tunnel project to investigate the water pressure resistance of lining construction jointsthat using waterstops can significantly improve the water pressure resistance of lining construction jointsthe type of waterstop significantly influences the water pressure resistance of lining construction joints

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

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Title Author Date Type Operation

Experimental Study and Nonlinear Finite Element Analysis on the T-shaped Column Frame Structure Joints

Chen Changhong,Huang Ying,Ma Lewei,Wu Minzhe,Shan Jian

Journal Article

Bending performance of composite bridge deck with T-shaped ribs

Qingtian SU, Changyuan DAI, Xu JIANG

Journal Article

Reliability-based settlement analysis of embankments over soft soils reinforced with T-shaped deep cement

Chana PHUTTHANANON; Pornkasem JONGPRADIST; Daniel DIAS; Xiangfeng GUO; Pitthaya JAMSAWANG; Julien BAROTH

Journal Article

Seismic behavior experimental study of frame joints with special-shaped column and dispersed steel bar

Shuchun LI, Bo DIAO, Youpo SU,

Journal Article

Slender reinforced concrete shear walls with high-strength concrete boundary elements

Journal Article

Performance study on T-stub connected semi-rigid joint between rectangular tubular columns and H-shaped

Guochang LI, Hongping YU, Chen FANG

Journal Article

A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Journal Article

Conceptual design of compliant translational joints for high-precision applications

Guangbo HAO,Haiyang LI,Xiuyun HE,Xianwen KONG

Journal Article

V-shaped substrate for surface and volume enhanced Raman spectroscopic analysis of microplastics

Journal Article

Performance of vertical axis water turbine with eye-shaped baffle for pico hydropower

Zhuohuan HU, Dongcheng WANG, Wei LU, Jian CHEN, Yuwen ZHANG

Journal Article

Discontinuous mechanical behaviors of existing shield tunnel with stiffness reduction at longitudinal joints

Journal Article

Parametric computational study on butterfly-shaped hysteretic dampers

Ali Reza FARZAMPOUR, Matthew Roy EATHERTON

Journal Article

Experimental and numerical analysis of beam to column joints in steel structures

Gholamreza ABDOLLAHZADEH, Seyed Mostafa SHABANIAN

Journal Article

Weakening behavior of waterproof performance in joints of shield tunnels under adjacent constructions

Journal Article

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

Journal Article