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Experimental Study on Cold-Formed Steel–Concrete Composite Trusses
Steel trusses supporting reinforced concrete floors and acting in composite action with it are efficient and functional arrangements for floor systems in buildings. If the truss can be made with cold-formed steel members connected by self-drilling screws the system becomes even more efficient. However, providing suitable shear connection between the truss and the slab becomes a challenge, and in this study, this was attempted by using cold-formed shear connectors connected to the top chord with self-drilling screws. The trusses were simply supported and tested under four-point bending. The truss carried higher loads due to mobilization of composite action with the concrete slab. Failure was ductile by loss of shear connector stiffness leading to local buckling of truss members. However, the truss can be used in lightly loaded floors of long spans as it can satisfy deflection limits. The test results are presented in the form of load-deformation curves and load-slip curves along with photographs showing the failure modes.
Experimental Study on Cold-Formed Steel–Concrete Composite Trusses
Steel trusses supporting reinforced concrete floors and acting in composite action with it are efficient and functional arrangements for floor systems in buildings. If the truss can be made with cold-formed steel members connected by self-drilling screws the system becomes even more efficient. However, providing suitable shear connection between the truss and the slab becomes a challenge, and in this study, this was attempted by using cold-formed shear connectors connected to the top chord with self-drilling screws. The trusses were simply supported and tested under four-point bending. The truss carried higher loads due to mobilization of composite action with the concrete slab. Failure was ductile by loss of shear connector stiffness leading to local buckling of truss members. However, the truss can be used in lightly loaded floors of long spans as it can satisfy deflection limits. The test results are presented in the form of load-deformation curves and load-slip curves along with photographs showing the failure modes.
Experimental Study on Cold-Formed Steel–Concrete Composite Trusses
Lecture Notes in Civil Engineering
Madhavan, Mahendrakumar (editor) / Davidson, James S. (editor) / Shanmugam, N. Elumalai (editor) / Thippeswami, B. L. (author) / Waghmare, S. (author) / Satish Kumar, S. R. (author)
Indian Structural Steel Conference ; 2020 ; Hyderabad, India
Proceedings of the Indian Structural Steel Conference 2020 (Vol. 2) ; Chapter: 12 ; 157-165
2023-08-23
9 pages
Article/Chapter (Book)
Electronic Resource
English
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