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

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 columns and H-shaped steel beams. The finite element analysis software ABAQUS is used to analyze the nonlinear performance of the joint under monotonic loading. Meanwhile, the dimensions of T-stub, column and beam are considered as analytic parameters to discuss the performance of the joint. The analysis shows that the thickness and the length of T-stub webs, the height of beam section, bolt diameter, shear connector and the preloaded force affect the performance of the joint largely, and the thickness of the steel tube, the thickness and length of T-stub flange, bolt spacing have relatively little influences on the performance of the joint. The research results indicate that this joint is semi-rigid joint.

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

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An innovative model for predicting the displacement and rotation of column-tree moment connection under

Mohammad Ali NAGHSH, Aydin SHISHEGARAN, Behnam KARAMI, Timon RABCZUK, Arshia SHISHEGARAN, Hamed TAGHAVIZADEH, Mehdi MORADI

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 194-212 doi: 10.1007/s11709-020-0688-2

Abstract: study, we carried out nonlinear finite element simulations to predict the performance of a column-tree momentThe results indicate that the rotation and deflection of the CTMC depend on the temperature.The numbers of flanges and web bolts slightly affect the rotation and displacement of the CTMCs at temperatures

Keywords： column-tree moment connection     Finite element model     parametric study     fire     regression models     gene expression    

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Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 318-330 doi: 10.1007/s11709-017-0420-z

Abstract: Once the plastic hinge control parameters are identified (plastic rotation, ultimate curvature), a strengthening

Keywords： RC/frame     RC/wall     moment curvature     plastic rotation     plastic hinge     pushover analysis     global models    

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Development of realistic design fire time-temperature curves for the testing of cold-formed steel wall

Anthony Deloge ARIYANAYAGAM,Mahen MAHENDRAN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 4,   Pages 427-447 doi: 10.1007/s11709-014-0279-1

Abstract: This paper presents the details of a research study aimed at developing realistic design fire curvesincludes a review of the characteristics of building fires, previously developed fire time-temperature curvesThe paper highlights that real building fire time-temperature curves depend on the fuel load representingFinally, realistic design fire time-temperature curves simulating the fire conditions in modern residential

Keywords： fire safety     standard fire curve     realistic design fire time-temperature curves     light gauge steel frame    

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Instantaneous deflection of light-weight concrete slabs

Behnam VAKHSHOURI, Shami NEJADI

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 412-423 doi: 10.1007/s11709-017-0416-8

Abstract: Effects of aggregate type, loading levels and cracking moment together with the influences of ultimatemoment capacity and service moment on the instantaneous deflection of slabs are studied.

Keywords： instantaneous deflection     light-weight concrete     expanded polystyrene     effective moment of inertia     crackingmoment     moment capacity     service moment    

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Erratum to: Meter-scale variation within a single transect demands attention to taxon accumulation curves

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-022-1560-5

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Sufficient downward rotation of the christa philtri on the cleft side: a modified technique

Yi Xu, Jingtao Li, Bing Shi

Frontiers of Medicine 2013, Volume 7, Issue 4,   Pages 510-516 doi: 10.1007/s11684-013-0299-6

Abstract: Millard’s rotation-advancement technique has long been considered as state-of-the-art for unilateralThese results suggested that sufficient and stable downward rotation of the christa philtri on the cleft

Keywords： cleft lip and palate     rotation advancement     sufficient rotation     christa philtri geometrically justified    

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Estimating moment capacity of ferrocement members using self-evolving network

Abdussamad ISMAIL

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 926-936 doi: 10.1007/s11709-019-0527-5

Abstract: The model is meant to serve as a simple but reliable tool for estimating the moment capacity of ferrocementThe data consists of information regarding flexural tests on ferrocement specimens which include momentproposed models with experimental data indicated that the models are capable of accurately estimating the moment

Keywords： ferrocement     moment capacity     self-evolving neural network    

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Shaking-moment balancing of mechanisms with principal vectors and momentum

V. van der WIJK

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 1,   Pages 10-16 doi: 10.1007/s11465-013-0359-2

Abstract:

The design of shaking-moment-balanced linkages still is challenging.Considering moment balance in the very beginning of the design process of mechanisms is important forThe moment balance conditions are derived for three elements in series from which balance solutions areFrom the application for moment balancing of a 4R four-bar linkage it is shown that the moment balancing

Keywords： shaking-moment balancing     principal vector linkage     angular momentum    

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Initial stiffness and moment resistance of reinforced joint with end-plate connection

Sufang WANG, Yiyi CHEN,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 345-351 doi: 10.1007/s11709-009-0054-x

Abstract: The design moment resistance of column flange reinforced by backing plate is deduced based on yield linemethod, and the design moment resistances of other components are deduced based on present codes.The design moment resistance of the reinforced joint is then determined by the minimum of the designmoment resistances of all components.

Keywords： steel structure     end-plate connection     backing plate     supplementary web plate     initial stiffness     moment resistance    

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Meter-scale variation within a single transect demands attention to taxon accumulation curves in riverine

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-022-1543-6

Abstract:

● Riverine microbiomes exhibited hyperlocal variation within a single transect.

Keywords： Microbiome     Freshwater     Taxon accumulation curve     Community assembly    

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Rare-earth separation based on the differences of ionic magnetic moment via quasi-liquid strategy

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1584-1594 doi: 10.1007/s11705-022-2189-4

Abstract: The differences of the ionic magnetic moment among rare earths are greater than that of ionic radius.Herein, a novel method based on the large ionic magnetic moment differences of rare earth elements wasliquid, then the ordering degree of them was improved with the Z-bond effect, and finally the magnetic moment

Keywords： rare earth element     different magnetic moment     magnetic separation     ionic liquid    

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Improved prediction of pile bending moment and deflection due to adjacent braced excavation

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0961-2

Abstract: This study develops equations to predict the existing pile bending moment and deflection produced byIt is practically unfeasible to obtain measurement data; hence, artificial data for the bending momentThe estimation results of the developed equations can provide satisfactory pile bending moment and deflection

Keywords： pile responses     excavation     prediction     deflection     bending moments    

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Damage-constitutive model for seawater coral concrete using different stirrup confinements subjected to axial loading

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 429-447 doi: 10.1007/s11709-022-0913-2

Abstract: Subsequently, the stress−strain curves of specimens subjected to axial loading were measured., and the proposed damage-constitutive model had a good correlation with the measured stress−strain curves

Keywords： coral aggregate concrete     stress−strain curves     lateral effective stress     peak stress     axial−lateralcurves     damage-constitutive model.    

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High-order moment methods for LRFD including random variables with unknown probability distributions

Zhao-Hui LU, Yan-Gang ZHAO, Zhi-Wu YU

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 288-295 doi: 10.1007/s11709-013-0210-1

Abstract: In this paper, the high-order moment methods for LRFD including random variables with unknown probabilityiterative computation of derivatives nor any design points; 3) In the applicable range of the high-order moment

Keywords： high-order moment methods     applicable range     load and resistance factors     target mean resistance    

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Title Author Date Type Operation

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

Guochang LI, Hongping YU, Chen FANG

Journal Article

An innovative model for predicting the displacement and rotation of column-tree moment connection under

Mohammad Ali NAGHSH, Aydin SHISHEGARAN, Behnam KARAMI, Timon RABCZUK, Arshia SHISHEGARAN, Hamed TAGHAVIZADEH, Mehdi MORADI

Journal Article

Effect of RC wall on the development of plastic rotation in the beams of RC frame structures

Amar KAHIL, Aghiles NEKMOUCHE, Said BOUKAIS, Mohand HAMIZI, Naceur Eddine HANNACHI

Journal Article

Development of realistic design fire time-temperature curves for the testing of cold-formed steel wall

Anthony Deloge ARIYANAYAGAM,Mahen MAHENDRAN

Journal Article

Instantaneous deflection of light-weight concrete slabs

Behnam VAKHSHOURI, Shami NEJADI

Journal Article

Erratum to: Meter-scale variation within a single transect demands attention to taxon accumulation curves

Journal Article

Sufficient downward rotation of the christa philtri on the cleft side: a modified technique

Yi Xu, Jingtao Li, Bing Shi

Journal Article

Estimating moment capacity of ferrocement members using self-evolving network

Abdussamad ISMAIL

Journal Article

Shaking-moment balancing of mechanisms with principal vectors and momentum

V. van der WIJK

Journal Article

Initial stiffness and moment resistance of reinforced joint with end-plate connection

Sufang WANG, Yiyi CHEN,

Journal Article

Meter-scale variation within a single transect demands attention to taxon accumulation curves in riverine

Journal Article

Rare-earth separation based on the differences of ionic magnetic moment via quasi-liquid strategy

Journal Article

Improved prediction of pile bending moment and deflection due to adjacent braced excavation

Journal Article

Damage-constitutive model for seawater coral concrete using different stirrup confinements subjected to axial loading

Journal Article

High-order moment methods for LRFD including random variables with unknown probability distributions

Zhao-Hui LU, Yan-Gang ZHAO, Zhi-Wu YU

Journal Article