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Numerical analysis of GFRP-reinforced flat slab–column edge connection subjected to gravity and lateral loads
In this paper, a numerical study was performed to investigate the behavior of glass fiber reinforced polymer (GFRP) concrete slab–column edge connections under monotonically applied gravity and lateral loads. The effects of the size of the spandrel beam, column rectangularity, column shape, and extension distance of the slab beyond the column have been examined. The nonlinear finite element analysis was performed by ABAQUS and the accuracy of the numerical model was verified by experimental tests conducted by other researchers. Providing spandrel beams at the free edge and extending the slab section beyond the outer face of the column significantly enhanced the cracking and ultimate loads, and post-cracking stiffness of the connections. Providing a spandrel beam without an offset from the column centerline significantly increased (by about 64%) the ultimate shear capacity of the connection. However, constructing this beam with a 50 mm offset reduced the ultimate shear capacity increments to 51%. Increasing the rectangularity index of the column under the same punching shear perimeter length exhibited a slight reduction in ultimate load capacity. Extending the slab beyond the free edge slightly increased the strength of the connections, similar to the spandrel beam. Increasing the rectangularity of the column reduced the capacities of the connection.
Numerical analysis of GFRP-reinforced flat slab–column edge connection subjected to gravity and lateral loads
In this paper, a numerical study was performed to investigate the behavior of glass fiber reinforced polymer (GFRP) concrete slab–column edge connections under monotonically applied gravity and lateral loads. The effects of the size of the spandrel beam, column rectangularity, column shape, and extension distance of the slab beyond the column have been examined. The nonlinear finite element analysis was performed by ABAQUS and the accuracy of the numerical model was verified by experimental tests conducted by other researchers. Providing spandrel beams at the free edge and extending the slab section beyond the outer face of the column significantly enhanced the cracking and ultimate loads, and post-cracking stiffness of the connections. Providing a spandrel beam without an offset from the column centerline significantly increased (by about 64%) the ultimate shear capacity of the connection. However, constructing this beam with a 50 mm offset reduced the ultimate shear capacity increments to 51%. Increasing the rectangularity index of the column under the same punching shear perimeter length exhibited a slight reduction in ultimate load capacity. Extending the slab beyond the free edge slightly increased the strength of the connections, similar to the spandrel beam. Increasing the rectangularity of the column reduced the capacities of the connection.
Numerical analysis of GFRP-reinforced flat slab–column edge connection subjected to gravity and lateral loads
Asian J Civ Eng
Demissie, Girum Alem (author) / Aure, Temesgen Wondimu (author)
Asian Journal of Civil Engineering ; 23 ; 765-783
2022-07-01
19 pages
Article (Journal)
Electronic Resource
English
Analysis of Flat Slab Structures Subjected to Combined Lateral and Gravity Loads
Online Contents | 1997
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