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Article
Engineering, Civil
Tao Yang et al.
Summary: Four prefabricated steel-concrete composite beams (PSCCBs) with grouped bolt shear connectors were tested to investigate their flexural performance. The impact of shear connection degrees and segmented precast concrete (PC) slabs on PSCCBs' flexural performance was examined. Experimental and numerical results showed that the presence of segmented PC slabs decreased the initial flexural stiffness and ductility coefficient of PSCCBs, while increasing the gap width, length of the middle PC slab, and girder web height improved their ductility.
ENGINEERING STRUCTURES
(2023)
Article
Engineering, Civil
Jing Zhang et al.
Summary: The objective of this study was to evaluate the flexural behavior of steel-magnesium phosphate cement based high performance concrete (MPCHPC) composite beams using four-point bending tests. Three composite beams were tested with different reinforcement ratio and MPCHPC strength. The results showed that the increase of reinforcement ratio slightly increased the initial stiffness and yield load, and decreased the crack width of the specimens. The MPCHPC strength had a greater effect on cracking load and early crack width.
ENGINEERING STRUCTURES
(2023)
Article
Engineering, Civil
Yukun Zhao et al.
Summary: This paper studies the shear behavior of U-shaped steel-concrete composite beams and analyzes the effects of loading direction, loading position, and shear span ratio on the bearing capacity of the specimens. The results show that the novel connectors have little effect on the bearing capacity, while the loading direction and shear span ratio have significant impacts.
INTERNATIONAL JOURNAL OF CIVIL ENGINEERING
(2022)
Article
Engineering, Civil
Lewei Tong et al.
Summary: This study investigated the static bending performance of HSS-UHPC composite beams through experiment and finite element analysis. The study found that the arrangement of studs had a significant impact on the deflection and failure mode of composite beams.
ENGINEERING STRUCTURES
(2022)
Article
Engineering, Civil
Haibo Jiang et al.
Summary: Based on large-scale push-out tests, this study explored the shear performance of transverse angle shear connectors and found that both connector height and spacing impact the shear strength, with initial stiffness of specimens improving with increasing height and number of connectors. The ductile characteristic can also be observed in load-slip relationship.
Article
Engineering, Civil
Qiwu Yan et al.
Summary: This paper presents a novel straight-side U-shaped steel-encased concrete composite beam (SUSCCB) to address the shortcomings of existing varus or valgus U-shaped steel-encased concrete composite beams (USCCB). The flexural behavior of SUSCCB is studied through finite element modeling and the results show superior performance compared to traditional USCCB. The flexural capacity of SUSCCB can be calculated through simplified plastic theory and analytical values agree closely with numerical simulations.
ENGINEERING STRUCTURES
(2021)
Article
Engineering, Civil
Yong Liu et al.
Summary: Research has shown that angle connectors welded to the webs of U-shaped girders have higher shear resistance and larger slip capacity, making them suitable shear connectors for U-shaped composite beams. Additionally, these connectors also prevent congestion between shear connectors and longitudinal reinforcements.
Proceedings Paper
Construction & Building Technology
Y. Liu et al.
PROCEEDINGS OF THE 12TH INTERNATIONAL CONFERENCE ON ADVANCES IN STEEL-CONCRETE COMPOSITE STRUCTURES (ASCCS 2018)
(2018)
Article
Engineering, Civil
Yong Liu et al.
ENGINEERING STRUCTURES
(2017)
