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Edge-Column Slab Connections under Gravity and Lateral Loading
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Tests of five large-scale rectangular edge-column slab connections are reported. Two specimens were uniaxially laterally loaded, two more specimens were biaxially laterally loaded, and the fifth specimen was tested under gravity load only. The main objective of the experiments was to investigate the effects of column rectangularity, varying magnitudes of gravity loading, as well as cyclic biaxial lateral loading on the connection strength, stiffness, ductility, and drift capacity. Biaxial cyclic lateral loading was found to severely reduce the strength, stiffness, ductility, and drift ...
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Experimental Investigation of Column-Slab Joints
Magazine article from: ACI Structural Journal
; ...study focuses on the test results of column-slab joints with loaded slabs. The current...showed that the strength of an interior column-slab joint is highly dependent upon the restraint...done, as no open area in the region of column-slab joint is required for the process of...
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Cyclic Lateral Loading of Nonductile Slab-Column Connections
Magazine article from: ACI Materials Journal
; ...The research presented in this paper involved the cyclic lateral loading of six slab-column connections with discontinuous slab...detailing, and slab gravity loads were subjected to a cyclic lateral loading routine. The results are compared with the performance...
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Lightening lateral loading: tests performed by individual railroads and TTCI have shown that top-of-rail friction modifiers can reduce lateral loads and the stresses they generate by 50% without negatively affecting locomotive traction or train braking capabilities.(Transportation Technology Center Inc.)
Magazine article from: Railway Age
; It's a given that lateral forces accelerate wear and degradation of the track structure. High lateral forces, which are generated when a vehicle negotiates a curve, can lead to a host of problems such as plate cutting and reverse cant, broken fasteners, and excessive rail wear. When lateral forces
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Behavior of slab-column connections with partially debonded reinforcement under lateral loading.(Report)
Magazine article from: Canadian Journal of Civil Engineering
; Introduction The design of a flat plate is often controlled by shear and moment transfer between the slab and the columns. Shear strength becomes more critical with lateral load caused by wind or earthquake. Lateral loads produce moment transfers at the slab-column connection, which may lead to
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Modeling Shear-Flexure Interaction in Reinforced Concrete Elements Subjected to Cyclic Lateral Loading
Magazine article from: ACI Structural Journal
; An enhanced fiber element is formulated to model the effects of shear-flexure interaction in reinforced concrete (RC) elements subjected to cyclic loading. In this stiffness-based element, adopting the Timoshenko beam theory, shear and flexural behavior are linked by means of kinematical
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Research on structural engineering described by E. Anggadjaja and colleagues.
Newspaper article from: Journal of Engineering
; ...capacity. Biaxial cyclic lateral loading was found to severely...laterally loaded rectangular-column slab connections with an aspect...Structural Journal (Edge-column slab connections under gravity and lateral loading. ACI Structural Journal...
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HSE research report on the partial collapse of Pipers Row car park, Wolverhampton.
M2 Presswire
; ...of the concrete over and around the column/slab zone led to punching shear failure of the concrete slab. The mechanical column/slab connection unique to the 'Lift Slab...of the unusual characteristics of the column/slab connection using current design codes...
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Strengthening Concrete Slabs for Punching Shear with Carbon Fiber-Reinforced Polymer Laminates
Magazine article from: ACI Structural Journal
; ...without shear reinforcement Punching shear failure is characterized by the slab fracturing along planes that extend from the column-slab interface on the compressed face of the slab through the depth of the slab in an inclined direction away from the column...
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Shear and Moment Transfer at an Edge Column
Magazine article from: Concrete International
; ...a two-way slab system, large unbalanced moments must be transferred between the slab and exterior columns. Because the column-slab interface can also be minimal, a slab connection at an edge column can be critical. ACI 318-05,1 Section 11.12.6...
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Unbalanced Moment Resistance by Shear in Slab-Column Connections: Experimental Assessment
Magazine article from: ACI Materials Journal
; ...not exceed 40, 75, or 50%, respectively, of the shear capacity V^sub c^. An experimental investigation of an edge column-slab connection subjected to shear force combined with unbalanced moment reversals is presented. In addition, published data...
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