26-05-2012, 10:32 AM
Seismic Behavior and Design of Shear Wall
Seismic Behavior and Design of Shear Wall.pptx (Size: 467.4 KB / Downloads: 63)
INTRODUCTION
SHEAR WALL IS A STRUCTURAL ELEMENT USED TO RESIST LATERAL/HORIZONTAL/SHEAR FORCES PARALLEL TO THE PLANE OF THE WALL BY:
CANTILEVER ACTION FOR SLENDER WALLS WHERE THE BENDING DEFORMATION IS DOMINANT
TRUSS ACTION FOR SQUAT/SHORT WALLS WHERE THE SHEAR DEFORMATION IS DOMINANT
ELEMENTS OF WALL DESIGN
WALL REINFORCEMENT REQUIREMENTS
SHEAR DESIGN
FLEXURAL AND AXIAL LOAD DESIGN
BOUNDARY ZONE DETERMINATION
SIMPLIFIED APPROACH
RIGOROUS APPROACH
BOUNDARY ZONE DETAILING
BOUNDARY ZONE DETERMINATION – RIGOROUS APPROACH
BOUNDARY ZONE DETAILING IS NOT REQUIRED IF MAX. COMPRESSIVE STRAIN AT WALL EDGES:
gmax < 0.003
THE DISPLACEMENT AND THE STRAIN SHALL BE BASED ON CRACKED SECTION PROPERTIES, UNREDUCED EARTHQUAKE GROUND MOTION AND NON-LINEAR BEHAVIOR OF THE BUILDING.
BOUNDARY ZONE DETAIL SHALL BE PROVIDED OVER THE PORTION OF WALL WITH COMPRESSIVE STRAIN > 0.003.