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Behavior of Monotonically Loaded Slab-Column Connections Reinforced with Shear Studs
In the vicinity of a support, the shearing force V and bending moment M are highest. The nominal punching shear strength depends on the flexural and shear reinforcements. The authors correctly recognize this basic concept in their attempt to refine the design of headed stud shear reinforcement. North American codes and standards account for the fact that higher shear stresses are induced at corners of the critical section at d/2 from the column's perimeter by permitting lower value of the nominal shear strength vn at wide columns, where d is the effective slab depth equal to the average of distances from extreme compression fiber to the centroid of tensile reinforcement running in two orthogonal directions. Low strain in shear reinforcement is an evidence that it controls cracking (that is, shear reinforcement is effective); this is shown in this article. Shear reinforcement develops negligible stress before cracking; yielding is reached only when the crack becomes wide (that is, punching shear failure is imminent).
Behavior of Monotonically Loaded Slab-Column Connections Reinforced with Shear Studs
In the vicinity of a support, the shearing force V and bending moment M are highest. The nominal punching shear strength depends on the flexural and shear reinforcements. The authors correctly recognize this basic concept in their attempt to refine the design of headed stud shear reinforcement. North American codes and standards account for the fact that higher shear stresses are induced at corners of the critical section at d/2 from the column's perimeter by permitting lower value of the nominal shear strength vn at wide columns, where d is the effective slab depth equal to the average of distances from extreme compression fiber to the centroid of tensile reinforcement running in two orthogonal directions. Low strain in shear reinforcement is an evidence that it controls cracking (that is, shear reinforcement is effective); this is shown in this article. Shear reinforcement develops negligible stress before cracking; yielding is reached only when the crack becomes wide (that is, punching shear failure is imminent).
Behavior of Monotonically Loaded Slab-Column Connections Reinforced with Shear Studs
Thai X Dam (author) / James K Wight / Gustavo Parra-Montesinos
ACI structural journal ; 114
2017
Article (Journal)
English
Behavior of Monotonically Loaded Slab-Column Connections Reinforced with Shear Studs
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