TY - JOUR
T1 - Connection performance in steel-concrete composite truss bridge structures
AU - Yin, Guo-an
AU - Ding, Fa-xing
AU - Wang, Hai-bo
AU - Bai, Yu
AU - Liu , Xue-mei
N1 - Export Date: 16 May 2017
CODEN: JBENF
Correspondence Address: Wang, H.-B.; School of Civil Engineering, Central South Univ.China; email: haibarg@163.com
Funding details: 2016zzts071, CSU, Central South University
Funding details: 50908230, NSFC, National Natural Science Foundation of China
Funding details: 51578548, NSFC, National Natural Science Foundation of China
Funding text: This research was financially supported by the National Natural Science Foundation of China (Grants 50908230 and 51578548) and the Innovative Research Project in Central South University (Grant 2016zzts071).
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PY - 2017/3/1
Y1 - 2017/3/1
N2 - Connections for steel-concrete composite trusses (SCCTs) for bridge applications were investigated. Eight specimens on a scale of 1/3 of the actual bridge were tested under static loading using connections with different gusset plates, including rectangular (RGP), π shape (PSGP), and J shape (JSGP). A detailed account of the design considerations, loading procedure, and experimental parameters is provided. A three-dimensional (3D) finite-element (FE) model was developed to analyze the mechanical behavior of these three composite truss connections. The results of the FE analysis were in good agreement with the experimental results. Both indicated excellent mechanical behavior for the investigated composite truss connections, with sufficient safety factors. The minimum yielding, cracking, and ultimate loads obtained from specimens were 2.65, 2.21, and 3.87 times the design load (907 kN), respectively. All specimens underwent considerable deformation, thereby suggesting satisfactory ductility. The presented overall investigation may provide a reference for the design and construction of composite joints in composite truss bridges. © 2016 American Society of Civil Engineers.
AB - Connections for steel-concrete composite trusses (SCCTs) for bridge applications were investigated. Eight specimens on a scale of 1/3 of the actual bridge were tested under static loading using connections with different gusset plates, including rectangular (RGP), π shape (PSGP), and J shape (JSGP). A detailed account of the design considerations, loading procedure, and experimental parameters is provided. A three-dimensional (3D) finite-element (FE) model was developed to analyze the mechanical behavior of these three composite truss connections. The results of the FE analysis were in good agreement with the experimental results. Both indicated excellent mechanical behavior for the investigated composite truss connections, with sufficient safety factors. The minimum yielding, cracking, and ultimate loads obtained from specimens were 2.65, 2.21, and 3.87 times the design load (907 kN), respectively. All specimens underwent considerable deformation, thereby suggesting satisfactory ductility. The presented overall investigation may provide a reference for the design and construction of composite joints in composite truss bridges. © 2016 American Society of Civil Engineers.
KW - Composite truss bridge
KW - Connection
KW - Failure models
KW - Finite-element analysis
KW - Ultimate bearing capacity
KW - Bridges
KW - Concretes
KW - Safety factor
KW - Trusses
KW - Composite truss
KW - Design and construction
KW - Experimental parameters
KW - Failure model
KW - Steel-concrete composite
KW - Threedimensional (3-d)
KW - Finite element method
U2 - 10.1061/(ASCE)BE.1943-5592.0001006
DO - 10.1061/(ASCE)BE.1943-5592.0001006
M3 - Article
VL - 22
JO - Journal of Bridge Engineering
JF - Journal of Bridge Engineering
SN - 1084-0702
IS - 3
M1 - 04016126
ER -