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Simulation of steel beam under ceiling jet based on a wind–fire–structure coupling model

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 78-98 doi: 10.1007/s11709-022-0936-8

Abstract: In this paper, the thermomechanical phenomena experienced by a ceiling jet and I-beam in a structuralVortices were found in the local area formed by the upper and lower flanges of the I-beam and the webregion in windless conditions was found to be significant, thus explaining the stress distribution of steel

Keywords： CFD–FEM coupling     steel beam     wind     ceiling jet     numerical heat transfer    

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Flexural and longitudinal shear performance of precast lightweight steel–ultra-high performance concretecomposite beam

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 704-721 doi: 10.1007/s11709-023-0941-6

Abstract: In this study, the flexural and longitudinal shear performances of two types of precast lightweight steel–ultra-highbeams are investigated, where a cluster UHPC slab (CUS) and a normal UHPC slab (NUS) are connected to a steelbeam using headed studs through discontinuous shear pockets and full-length shear pockets, respectivelyreinforcement can be canceled when the compressive strength of UHPC is 150 MPa and the volume fraction of steel

Keywords： precast steel–UHPC composite beam     flexural performance     longitudinal shear performance     parametric study    

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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: as formability under extreme loads such as earthquakes are the primary challenges in the modeling of beam-to-columnand neural network methods have been presented in order to model the complex hysteresis behavior of beam-to-columntraining of the neural network, the experiments were carried out on samples with real dimensions of beam-to-columnthat the combinational modeling is able to display the complex narrowed hysteresis behavior of the beam-to-column

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

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Cyclic behavior of stiffened joints between concrete-filled steel tubular column and steel beam with

Chunyan QUAN,Wei WANG,Jian ZHOU,Rong WANG

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 3,   Pages 333-344 doi: 10.1007/s11709-016-0357-7

Abstract: presented an investigation on a stiffened joint in practical engineering which was between concrete-filled steeltubular column and steel beam with narrow outer diaphragm and partial joint penetration welds.There was no hysteresis damage fracture on the narrow outer diaphragm connected to the concrete-filled steel

Keywords： narrow outer diaphragm     concrete-filled tubular column     joint     inner and outer stiffening     cyclic behavior    

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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 thelife safety level of performance when different beam removal scenarios after earthquake are consideredof the beam to columns are simultaneously detached from the columns; thus the removed beam falls onHence, more attention shall be paid to the beam-to-column connections of the upper stories during the

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

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Modeling of semi-rigid beam-to-column steel joints under extreme loading

C FANG, B A IZZUDDIN, A Y ELGHAZOULI, D A NETHERCOT

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 245-263 doi: 10.1007/s11709-013-0215-9

Abstract: Joints play an important role in providing ductility for steel-composite structures subject to extremeThis paper presents a component approach for modeling semi-rigid beam-to-column joints based on Eurocode3

Keywords： semi-rigid joint     component method     ductility     elevated temperature    

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

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: To overcome the problem that steel bars are put too close at a flame joint with special-shaped beam andperformance of three groups of six RC flame joints with special-shaped (L, T and+) column and dispersed-steelbars-beam on the top floor under cyclic loads were studied.The seismic behaviors of the joints with different proportions of dispersed-steel-bar beams were analyzedTheoretical result indicates that distributing area of the dispersed steel-bar beams in the flange plate

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

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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: The effects of important parameters (beam reinforcing plates, initial post-tensioning, and material propertiesof steel angles) on the behavior of hexagonal castellated beams in post-tensioned self-centering (PTSCThe PTSC connection is comprised of bolted top and bottom angles as energy dissipaters and steel strands1.5% strain-hardening which has perfectly matched with the real material of steel angles.The necessity of reinforcing plates to prevent beam flange from local buckling has been reaffirmed.

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

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Torsional behavior of triangular web profile (TRIWP) steel section by experimental study

Fatimah DE’NAN,Hazwani HASAN,Mohd Hanim OSMAN,Sariffudin SAAD

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 409-419 doi: 10.1007/s11709-016-0358-6

Abstract: This study examined the torsional behavior of TriWP steel sections and compared to that of the flat web(FW) steel sections.From the graph of torsional load versus rotational angle, the torsional rotation for all TriWP steelsections were smaller than that of the FW steel section under the same torsional loading i.e., 0.2 kNmto FW steel section.

Keywords： corrugated web     i-beam     non uniform steel section     torsion resistance     torsion angle     triangular web profilesteel section    

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Calculation methods of the crack width and deformation for concrete beams with high-strength steel bars

Jianmin ZHOU, Shuo CHEN, Yang CHEN

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 316-324 doi: 10.1007/s11709-013-0211-0

Abstract: Three groups of concrete beams reinforced with high-strength steel bars were tested, and the crack width

Keywords： concrete beam     high-strength steel bar     crack width     deformation    

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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 steel

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

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Design theory and experimental study for flexural strength of steel box-concrete composite beam

Zhong Xingu,Shu Xiaojuan,Shen Mingyan,Mo Shixu,Xie Wen

Strategic Study of CAE 2008, Volume 10, Issue 10,   Pages 47-53

Abstract: "text-align: justify;">This article presents design theory for the strength of the cross-section of steelbox concrete composite beam, based on the analysis of its mechanic behaviors, analyzes the influenceThe analysis shows that the bearing capacity of such new composite beam increases compared with thatof empty steel box beam, and its mechanic behavior is obviously improved.Experimental study of 3 beams shows that steel box composite beam has good behavior of bending resist

Keywords： steel box concrete composite beam     design theory     experimental study    

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Vibration Serviceability of Large-span Steel–Concrete Composite Beam with Precast Hollow Core Slabs Under Article

Jiepeng Liu, Shu Huang, Jiang Li, Y. Frank Chen

Engineering 2022, Volume 19, Issue 12,   Pages 93-104 doi: 10.1016/j.eng.2021.04.025

Abstract:

A large-span steel–concrete composite beam with precast hollow core slabs (CBHCSs) is a relativelyconducted to investigate the vibration performance of the CBHCS floor system, where the floor thickness, steelbeam type, contact time, and human weight are considered.

Keywords： Composite beam     Hollow core slab     Walking force     Floor vibration     Mode shape    

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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 momentregion is one of the main tasks in designing continuous composite beam (CCB) bridges due to the lowThis study proposed an innovative structural configuration for the negative bending moment region in a steel-concreteIn the field investigation, strains on the surface of the concrete bridge deck, rebar, and steel beamUHPC layer provided an effective alternative for the negative bending moment region of the composite beam

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

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Scaling up of cluster beam deposition technology for catalysis application

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1360-1379 doi: 10.1007/s11705-021-2101-7

Abstract: Many research works have demonstrated that the combination of atomically precise cluster deposition and theoretical calculations is able to address fundamental aspects of size-effects, cluster-support interactions, and reaction mechanisms of cluster materials. Although the wet chemistry method has been widely used to synthesize nanoparticles, the gas-phase synthesis and size-selected strategy was the only method to prepare supported metal clusters with precise numbers of atoms for a long time. However, the low throughput of the physical synthesis method has severely constrained its wider adoption for catalysis applications. In this review, we introduce the latest progress on three types of cluster source which have the most promising potential for scale-up, including sputtering gas aggregation source, pulsed microplasma cluster source, and matrix assembly cluster source. While the sputtering gas aggregation source is leading ahead with a production rate of ~20 mg·h–1, the pulsed microplasma source has the smallest physical dimensions which makes it possible to compact multiple such devices into a small volume for multiplied production rate. The matrix assembly source has the shortest development history, but already show an impressive deposition rate of ~10 mg·h–1. At the end of the review, the possible routes for further throughput scale-up are envisaged.

Keywords： nanoparticle     cluster     cluster beam deposition     magnetron sputtering     heterogeneous catalysis    

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Title Author Date Type Operation

Simulation of steel beam under ceiling jet based on a wind–fire–structure coupling model

Journal Article

Flexural and longitudinal shear performance of precast lightweight steel–ultra-high performance concretecomposite beam

Journal Article

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

Gholamreza ABDOLLAHZADEH, Seyed Mostafa SHABANIAN

Journal Article

Cyclic behavior of stiffened joints between concrete-filled steel tubular column and steel beam with

Chunyan QUAN,Wei WANG,Jian ZHOU,Rong WANG

Journal Article

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

Behrouz BEHNAM, Fahimeh SHOJAEI, Hamid Reza RONAGH

Journal Article

Modeling of semi-rigid beam-to-column steel joints under extreme loading

C FANG, B A IZZUDDIN, A Y ELGHAZOULI, D A NETHERCOT

Journal Article

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

Shuchun LI, Bo DIAO, Youpo SU,

Journal Article

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

Hassan ABEDI SARVESTANI

Journal Article

Torsional behavior of triangular web profile (TRIWP) steel section by experimental study

Fatimah DE’NAN,Hazwani HASAN,Mohd Hanim OSMAN,Sariffudin SAAD

Journal Article

Calculation methods of the crack width and deformation for concrete beams with high-strength steel bars

Jianmin ZHOU, Shuo CHEN, Yang CHEN

Journal Article

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

Journal Article

Design theory and experimental study for flexural strength of steel box-concrete composite beam

Zhong Xingu,Shu Xiaojuan,Shen Mingyan,Mo Shixu,Xie Wen

Journal Article

Vibration Serviceability of Large-span Steel–Concrete Composite Beam with Precast Hollow Core Slabs Under

Jiepeng Liu, Shu Huang, Jiang Li, Y. Frank Chen

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

Scaling up of cluster beam deposition technology for catalysis application

Journal Article