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Seismic progressive-failure analysis of tall steel structures under beam-removal scenarios

Behrouz BEHNAM, Fahimeh SHOJAEI, Hamid Reza RONAGH

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 904-917 doi: 10.1007/s11709-019-0525-7

Abstract: Investigating progressive collapse of tall structures under beam removal scenarios after earthquake isAn investigation is performed here on a 10 story steel moment resisting structure designed to meet the

Keywords： progressive collapse     tall steel moment-resisting frames     non-linear dynamic analysis     beam-removal scenario    

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Seismic performance of composite moment-resisting frames achieved with sustainable CFST members

A. SILVA,Y. JIANG,L. MACEDO,J. M. CASTRO,R. MONTEIRO,N. SILVESTRE

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 3,   Pages 312-332 doi: 10.1007/s11709-016-0345-y

Abstract: objective of the research presented in this paper is to study the bending behaviour of Concrete Filled SteelTube (CFST) columns made with Rubberized Concrete (RuC), and to assess the seismic performance of moment-resistingframes with these structural members.Additionally, it was found that the seismic design of composite moment-resisting frames with CFST columnsframes.

Keywords： concrete filled steel tubes     rubberized concrete     composite frames     seismic performance assessment    

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Experimental study on slender buckling-restrained knee braces with round steel bar cores

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 99-121 doi: 10.1007/s11709-022-0875-4

Abstract: to investigate a novel slender buckling-restrained knee brace damper (BRKB) for welded and weld-free steelThe proposed BRKB adopts steel bar cores connected by a central coupler and restrained by tube bucklingrestrained braces, and high architectural flexibility for the retrofitting of large-span weld-free or welded steelmoment-resisting systems.

Keywords： weld-free beam-to-column connections     moment-resisting frame     cyclic and compression loading tests     buckling-restrained    

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Parametric study of hexagonal castellated beams in post-tensioned self-centering steel connections

Hassan ABEDI SARVESTANI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1020-1035 doi: 10.1007/s11709-019-0534-6

Abstract: important parameters (beam reinforcing plates, initial post-tensioning, and material properties of steelThe PTSC connection is comprised of bolted top and bottom angles as energy dissipaters and steel strandsThe new formulations derived from analytical method has been proposed to predict bending moment of PTSCdominant failure mode when excessive initial post-tensioning force is applied to reach greater bending moment1.5% strain-hardening which has perfectly matched with the real material of steel angles.

Keywords： finite element analysis     hexagonal castellated beam     parametric study     post-tensioned self-centering steelconnection     steel moment-resisting frame    

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Seismic performance of moment resisting steel frame subjected to earthquake excitations

Fadzli M. NAZRI, Pang Yew KEN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 19-25 doi: 10.1007/s11709-014-0240-3

Abstract: Pushover analysis (POA) and incremental dynamic analysis (IDA) were run on moment resisting steel framesSteel frames are subjected to nonlinear inelastic time history analysis for 14 different scaled groundThe results obtained from POA on the 3, 6 and 9 storey steel frames show consistent results for bothUniform loading shows that the steel frames exhibits higher base shear than the triangular loading.to collapse while near field ground motion only caused some steel frames to collapse.

Keywords： incremental dynamic analysis (IDA)     pushover analysis     performance-based seismic design    

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Damage identification in connections of moment frames using time domain responses and an optimization

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 851-866 doi: 10.1007/s11709-021-0739-3

Abstract: In this study, an optimization-based method for joint damage identification of moment frames using theThe beam-to-column connection in a metallic moment frame structure is modeled by a zero-length rotational

Keywords： damage identification     beam-to-column connection     time-domain response     optimization    

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Seismic retrofit of existing SRC frames using rocking walls and steel dampers

Akira WADA, Zhe QU, Shojiro MOTOYUI, Hiroyasu SAKATA

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 259-266 doi: 10.1007/s11709-011-0114-x

Abstract: A retrofit of an existing 11-story steel reinforced concrete frame that features the innovative use ofpost-tensioned rocking walls and shear steel dampers is presented.

Keywords： building structure     seismic retrofit     rocking wall     steel damper    

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Finite element analysis of creep for plane steel frames in fire

Hui ZHU, Yuching WU

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 297-307 doi: 10.1007/s11709-012-0162-x

Abstract: Steel is widely used for the construction of bridges, buildings, towers, and other structures becauseTherefore, the resistance of a steel structure to fire is a significant subject for modern society.frames in fire conditions.Next, the numerical model is used to analyze the creep behavior of the plane steel frames under decreasingIn addition, the heating rate is a critical factor in the failure point of the steel frames.

Keywords： creep     plane steel frame     fire     finite element method     geometric nonlinearity    

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Optimal design of steel portal frames based on genetic algorithms

CHEN Yue, HU Kai

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 318-322 doi: 10.1007/s11709-008-0055-1

Abstract: As for the optimal design of steel portal frames, due to both the complexity of cross selections of beamsBased on a set of constraints of the Technical Specification for Light-weighted Steel Portal Frames ofChina, a genetic algorithm (GA) optimization program for portal frames, written in MATLAB code, was

Keywords： satisfactory     genetic-algorithm-based     Technical Specification     algorithm     efficiency    

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Moment-curvature relationship of FRP-concrete-steel double-skin tubular members

Mingxue LIU, Jiaru QIAN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 25-31 doi: 10.1007/s11709-009-0012-7

Abstract: conducted on 3 specimens to study the flexural behavior of fiber reinforced polymer (FRP)-concrete-steelThe strip method was used to calculate the section moment-curvature curves of the 3 specimens and 12theoretical analysis resulted in a simplified formula for the flexural strength of DSTMs and a tri-linear moment-curvature

Keywords： fiber reinforced polymer (FRP)     concrete     steel     double-skin tubular members (DSTMs)     moment-curvature curve    

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Design Method and Applcation of Steel Braced Frames

Guan Kejian,Wang Xinwu,Peng Shaomin

Strategic Study of CAE 2003, Volume 5, Issue 5,   Pages 80-83

Abstract:

In the paper, three types of steel braced frames are introduced.The features of concentrically steel braced frames, eccentrically braced frames and off-centrically bracedframes and their application scope are concluded.Some calculating rules and design methods about concentrically steel braced frames and eccentricallybraced frames are put forward.

Keywords： steel structure     braced frames     design methcxl    

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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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Implementation of total Lagrangian formulation for the elasto-plastic analysis of plane steel frames

Bing XIA, Yuching WU, Zhanfei HUANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 257-266 doi: 10.1007/s11709-012-0163-9

Abstract: Lagrangian forms of finite element formulations are derived to perform elasto-plastic analysis for plane steelframes that either experience increasing external loading at ambient temperature or constant externalinfluence of geometric nonlinearities on the incremental steps of the finite element analysis for plane steelframes in the presence of fire is limited.

Keywords： co-rotational     total Lagrangian     geometrical nonlinearity     fire     elasto-plastic    

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Multi-objective optimal design of braced frames using hybrid genetic and ant colony optimization

Mehdi BABAEI,Ebrahim SANAEI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 472-480 doi: 10.1007/s11709-016-0368-4

Abstract: In this article, multi-objective optimization of braced frames is investigated using a novel hybrid algorithmis proposed as a novel hybrid method which does not appear in the literature for optimal design of steelbraced frames.

Keywords： multi-objective     hybrid algorithm     ant colony     genetic algorithm     displacement     weighted sum method     steelbraced frames    

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Field validation of UHPC layer in negative moment region of steel-concrete composite continuous girder

Minghong QIU; Xudong SHAO; Weiye HU; Yanping ZHU; Husam H. HUSSEIN; Yaobei HE; Qiongwei LIU

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 744-761 doi: 10.1007/s11709-022-0843-z

Abstract: Improving the cracking resistance of steel-normal concrete (NC) composite beams in the negative momentThis study proposed an innovative structural configuration for the negative bending moment region ina steel-concrete CCB bridge with the aid of ultrahigh performance concrete (UHPC) layer.In the field investigation, strains on the surface of the concrete bridge deck, rebar, and steel beamin the negative bending moment region, as well as mid-span deflection, were measured under different

Keywords： field test     steel-concrete composite beam     continuous girder bridge     negative bending moment region    

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Title Author Date Type Operation

Seismic progressive-failure analysis of tall steel structures under beam-removal scenarios

Behrouz BEHNAM, Fahimeh SHOJAEI, Hamid Reza RONAGH

Journal Article

Seismic performance of composite moment-resisting frames achieved with sustainable CFST members

A. SILVA,Y. JIANG,L. MACEDO,J. M. CASTRO,R. MONTEIRO,N. SILVESTRE

Journal Article

Experimental study on slender buckling-restrained knee braces with round steel bar cores

Journal Article

Parametric study of hexagonal castellated beams in post-tensioned self-centering steel connections

Hassan ABEDI SARVESTANI

Journal Article

Seismic performance of moment resisting steel frame subjected to earthquake excitations

Fadzli M. NAZRI, Pang Yew KEN

Journal Article

Damage identification in connections of moment frames using time domain responses and an optimization

Journal Article

Seismic retrofit of existing SRC frames using rocking walls and steel dampers

Akira WADA, Zhe QU, Shojiro MOTOYUI, Hiroyasu SAKATA

Journal Article

Finite element analysis of creep for plane steel frames in fire

Hui ZHU, Yuching WU

Journal Article

Optimal design of steel portal frames based on genetic algorithms

CHEN Yue, HU Kai

Journal Article

Moment-curvature relationship of FRP-concrete-steel double-skin tubular members

Mingxue LIU, Jiaru QIAN

Journal Article

Design Method and Applcation of Steel Braced Frames

Guan Kejian,Wang Xinwu,Peng Shaomin

Journal Article

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

Sufang WANG, Yiyi CHEN,

Journal Article

Implementation of total Lagrangian formulation for the elasto-plastic analysis of plane steel frames

Bing XIA, Yuching WU, Zhanfei HUANG

Journal Article

Multi-objective optimal design of braced frames using hybrid genetic and ant colony optimization

Mehdi BABAEI,Ebrahim SANAEI

Journal Article

Field validation of UHPC layer in negative moment region of steel-concrete composite continuous girder

Minghong QIU; Xudong SHAO; Weiye HU; Yanping ZHU; Husam H. HUSSEIN; Yaobei HE; Qiongwei LIU

Journal Article