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Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefabricated

Yunlin LIU, Shitao ZHU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1095-1104 doi: 10.1007/s11709-019-0538-2

Abstract: This paper presents a finite element study on behavior of the side joint under seismic loading.In the finite element model, PCS concrete and the reinforced concrete (RC) is modeled by the solid elementand fiber-beam element, respectively.based on fiber-beam element is in better agreement with the experimental results than solid elementmodel.

Keywords： PCS concrete side joint     numerical simulation     fiber-beam element joint model     solid element joint model    

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Investigation of the interior RC beam-column joints under monotonic antisymmetrical load

Fei GAO, Zhiqiang TANG, Biao HU, Junbo CHEN, Hongping ZHU, Jian MA

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1474-1494 doi: 10.1007/s11709-019-0572-0

Abstract: The paper presents numerical findings of reinforced concrete interior beam-column joints under monotonicThe finite element models considered compression and tension damage were calibrated by test results inthe propagation of cracks, but also to increase the yield load, decrease the yield displacement of beamand improve the joint ductility.However, excessive horizontal stirrups contribute little to the joint performance.

Keywords： RC beam-column joint     reinforcement ratio in joint core     axial compression ratio     finite element     test    

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Ambient vibration testing and updating of the finite element model of a simply supported beam bridge

Ivan Gomez ARAUJO, Esperanza MALDONADO, Gustavo Chio CHO

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 344-354 doi: 10.1007/s11709-011-0124-8

Abstract: An ambient vibration test on a concrete bridge constructed in 1971 and calibration of its finite elementmodel are presented.Then, these characteristics were used to update the finite element model of the bridge by formulatingtransverse; and these experimentally obtained dynamic characteristics were also achieved in the analytical modeloptimization techniques showed great versatility to optimize any number and type of variables in the model

Keywords： parameter identification     ambient vibration test     Eigensystem Realization Algorithm (ERA) method     finite element    

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Processing parameter optimization of fiber laser beam welding using an ensemble of metamodels and MOABC

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0703-5

Abstract: In fiber laser beam welding (LBW), the selection of optimal processing parameters is challenging andResults demonstrate that the proposed EM-MOABC is effective in guiding actual fiber LBW applications.

Keywords： laser beam welding     parameter optimization     metamodel     multi-objective    

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Joint slip investigation based on finite element modelling verified by experimental results on wind turbine

Saleh YAGHOOBI, Ahmad SHOOSHTARI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 341-351 doi: 10.1007/s11709-017-0393-y

Abstract:

Slippage corresponds to the relative displacement of a bolted joint subjected to shear loads sincethe construction clearance between the bolt shank and the bolthole at assembly can cause joint slip.Deflections of towers with joint slippage effects is up to 1.9 times greater than the displacements obtainedIn this study, 8 different types of joints are modelled and studied in the finite element program, andFinally, joint slip data for different types of angles, bolt diameter and bolt arrangements are generated

Keywords： Joint slip     cyclic loading     Finite element modelling     Experimental joint behavior     damping ratios (   

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Cyclic behavior of stiffened joints between concrete-filled steel tubular column and steel beam withnarrow outer diaphragm and partial joint penetration welds

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: This paper presented an investigation on a stiffened joint in practical engineering which was betweenconcrete-filled steel tubular column and steel beam with narrow outer diaphragm and partial joint penetrationcontrary, the inner diaphragm and inner stiffeners had limited impacts on the hysteretic behavior of the jointfracture on the narrow outer diaphragm connected to the concrete-filled steel tubular column with partial jointDue to the excellent ductility and energy dissipating capacity, the proposed joint could be applied to

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

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Multiscale model of micro curing residual stress evolution in carbon fiber-reinforced thermoset polymer

Xinyu HUI, Yingjie XU, Weihong ZHANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 475-483 doi: 10.1007/s11465-020-0590-6

Abstract: In this study, the micro curing residual stresses of carbon fiber-reinforced thermoset polymer (CFRP)A thermochemical coupling model is developed at the macroscale level to obtain the distributions of temperatureMeanwhile, a representative volume element model of the composites is established at the microscale levelThe evolution of curing residual stresses reveals the interaction mechanism of fiber, matrix, and interphasecuring residual stresses mostly present a tensile state in the matrix and a compressive state in the fiber

Keywords： CFRP     curing residual stress     multiscale modeling     finite element method    

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Vibration analysis of a simply supported beam under moving mass based on moving finite element method

Zhuchao YE, Huaihai CHEN,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 397-400 doi: 10.1007/s11465-009-0044-7

Abstract: In this paper, a moving finite element (MFE) method is proposed to perform the dynamic analysis of asimply supported beam for a moving mass (MM).The solution to the beam’s dynamic behaviors including its displacement is obtained via a Newmark-β method; the effects of the velocity and weight of the MM on the beam’s dynamic behaviorsthe inertial effects of the MM significantly affect the transverse responses of the simply supported beam

Keywords： simply supported beam     moving mass (MM)     transverse vibration     moving finite element (MFE)    

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Application of consistent geometric decomposition theorem to dynamic finite element of 3D composite beam

Iman FATTAHI, Hamid Reza MIRDAMADI, Hamid ABDOLLAHI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 675-689 doi: 10.1007/s11709-020-0625-4

Abstract: In this article, equivalent single layer approach is utilized for dynamic finite element procedures of3D composite beam as the building block of numerous composite structures.In this model, both displacement and strain fields are decomposed into cross-sectional and longitudinalThen, the model is discretized using finite element procedures.The same decomposition idea can be used for developing element stiffness matrix.

Keywords： composite beam     dynamic finite element     degrees of freedom coupling     experimental validation     numerical validation    

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Connection of the prefabricated updeck of road tunnels by a short lap-spliced joint using ultra-high-performancefiber-reinforced concrete

Frontiers of Structural and Civil Engineering   Pages 870-883 doi: 10.1007/s11709-023-0977-7

Abstract: welding-spliced or lap-spliced reinforcements embedded in normal concrete or ultra-high-performance fiber-reinforcedWith an improvement in the strength grade of the closure concrete for the lap-spliced joint, the failureof the beam transforms from a brittle splitting mode to a ductile flexural mode.The beam connected by UHPFRC100 with short lap-spliced reinforcements can achieve almost equivalent mechanicalperformance in terms of the bearing capacity, ductility, and stiffness as the beam connected by normal

Keywords： UHPFRC     prefabricated updeck     road tunnel     lap-spliced rebars     flexural tests    

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Analytical algorithms of compressive bending capacity of bolted circumferential joint in metro shield

Frontiers of Structural and Civil Engineering   Pages 901-914 doi: 10.1007/s11709-023-0915-8

Abstract: This study focuses on the mechanical characteristics and mechanism of a bolted circumferential jointanalytical algorithms for four stress stages are established to describe the bearing behaviors of the jointcoefficient, α, for the outer concrete compression zone is introduced into a simplified analytical modelstudy is performed to verify the rationality of the simplified theoretical analysis for the segment jointThe method for optimizing the joint flexural stiffness is clarified.

Keywords： shield tunnel     segment joint     joint structural model     failure mechanism    

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influence of hand hole on the ultimate strength and crack pattern of shield tunnel segment joints by scaled model

Shaochun WANG, Xi JIANG, Yun BAI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1200-1213 doi: 10.1007/s11709-019-0546-2

Abstract: The hand hole acts as a weak point and initial damage in the segment joint especially when the circumferentialDespite the wide application of steel fiber or synthetic fiber in the tunneling, limited researches focuson the structural responses of segment joint with macro structural synthetic fiber (MSSF).The segment joint with MSSF shows higher ultimate bearing capacity and toughness compared to segmentjoint with common concrete.

Keywords： shield tunneling     structural synthetic fiber concrete     hand hole     segment joint     ultimate bearing capacity    

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Identification of dynamic stiffness matrix of bearing joint region

Feng HU, Bo WU, Youmin HU, Tielin SHI

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 289-299 doi: 10.1007/s11465-009-0064-3

Abstract: The paper proposes an identification method of the dynamic stiffness matrix of a bearing joint regionmeasuring relevant FRFs of rotational degree of freedom, the author employs an accurately calibrated finite elementmodel of the unconstrained structure for indirect estimation.analysis, FRFs related with translational degree of freedom, which is estimated through the finite elementstiffness matrix of the bearing joint region.

Keywords： frequency response function (FRFs)     dynamic stiffness     finite element     synthetic substructure method     joint    

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Experimental analysis on strength and failure modes of wood beam-column connections

Zhenhua HUANG,Sheldon Q SHI,Liping CAI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 260-269 doi: 10.1007/s11709-014-0261-y

Abstract: This research experimentally examined the strength, failure modes, and behaviors of dowel-bearing and fiber-bearingwood beam-column connections and explored the effects of cyclic loading on the strength, failure modesconnection with fiber-bearing surfaces) showed good behavior (large peak moment) under the monotonicloads, and the tenon joint connection (fiber-bearing wood beam-column connection) showed good behavior, but increased the strength of fiber-bearing type wood beam-column connections.

Keywords： wood     connection     dowel-bearing     fiber-bearing    

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Shear strength model of the reinforced concrete beams with embedded through-section strengthening bars

Linh Van Hong BUI; Phuoc Trong NGUYEN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 843-857 doi: 10.1007/s11709-022-0834-0

Abstract: In this study, finite element (FE) analysis is utilized to investigate the shear capacity of reinforcedEffects of critical variables on the beam shear strength, including the compressive strength of concreteConsequently, the model proposed in this study demonstrates better performance and more accuracy forprediction of the beam shear-carrying capacity than those of existing models.

Keywords： embedded through-section     strengthening     fiber-reinforced polymer     finite element     shear strength model    

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Title Author Date Type Operation

Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefabricated

Yunlin LIU, Shitao ZHU

Journal Article

Investigation of the interior RC beam-column joints under monotonic antisymmetrical load

Fei GAO, Zhiqiang TANG, Biao HU, Junbo CHEN, Hongping ZHU, Jian MA

Journal Article

Ambient vibration testing and updating of the finite element model of a simply supported beam bridge

Ivan Gomez ARAUJO, Esperanza MALDONADO, Gustavo Chio CHO

Journal Article

Processing parameter optimization of fiber laser beam welding using an ensemble of metamodels and MOABC

Journal Article

Joint slip investigation based on finite element modelling verified by experimental results on wind turbine

Saleh YAGHOOBI, Ahmad SHOOSHTARI

Journal Article

Cyclic behavior of stiffened joints between concrete-filled steel tubular column and steel beam withnarrow outer diaphragm and partial joint penetration welds

Chunyan QUAN,Wei WANG,Jian ZHOU,Rong WANG

Journal Article

Multiscale model of micro curing residual stress evolution in carbon fiber-reinforced thermoset polymer

Xinyu HUI, Yingjie XU, Weihong ZHANG

Journal Article

Vibration analysis of a simply supported beam under moving mass based on moving finite element method

Zhuchao YE, Huaihai CHEN,

Journal Article

Application of consistent geometric decomposition theorem to dynamic finite element of 3D composite beam

Iman FATTAHI, Hamid Reza MIRDAMADI, Hamid ABDOLLAHI

Journal Article

Connection of the prefabricated updeck of road tunnels by a short lap-spliced joint using ultra-high-performancefiber-reinforced concrete

Journal Article

Analytical algorithms of compressive bending capacity of bolted circumferential joint in metro shield

Journal Article

influence of hand hole on the ultimate strength and crack pattern of shield tunnel segment joints by scaled model

Shaochun WANG, Xi JIANG, Yun BAI

Journal Article

Identification of dynamic stiffness matrix of bearing joint region

Feng HU, Bo WU, Youmin HU, Tielin SHI

Journal Article

Experimental analysis on strength and failure modes of wood beam-column connections

Zhenhua HUANG,Sheldon Q SHI,Liping CAI

Journal Article

Shear strength model of the reinforced concrete beams with embedded through-section strengthening bars

Linh Van Hong BUI; Phuoc Trong NGUYEN

Journal Article