Reinforced Concrete Exterior Wide Beam-Column-Slab Connections Subjected to Lateral Earthquake Loading

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Title: Reinforced Concrete Exterior Wide Beam-Column-Slab Connections Subjected to Lateral Earthquake Loading

Author(s): James M. LaFave and James K. Wight

Publication: Structural Journal

Volume: 96

Issue: 4

Appears on pages(s): 577-585

Keywords: anchorage (structural); beams (supports); earthquake-resistant structures; joints (junctions); reinforced concrete; shear properties; slabs; spandrel beams; torsion

DOI: 10.14359/694

Date: 7/1/1999

Abstract:
Experimental results from quasi-static cyclic lateral load tests of three reinforced concrete-exterior wide beam-column-slab subassemblages are presented. The effects of having a significant amount of wide beam flexural steel anchored outside the column core for beams more than three times as wide as columns are investigated, particularly in terms of plastic hinge development and spandrel beam torsion requirements. In addition, wide beam shear behavior and anchorage of column bars through the shallow, wide beams are evaluated using relaxed design provisions. Slab participation in wide beam-column-slab connections is also examined.


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