Influence Of Diaphragm Flexibility On Lateral
Load Distribution Between Shear Walls In Light
Wood Frame Buildings
Author(s)
Z. Y. Chen, Y. H. Chui, C. Ni, G. Doudak & M. Mohammad
Abstract
In light wood frame buildings, diaphragm flexibility influences the load
distribution between shear walls under lateral load induced by earthquake or
wind action, which is important for structural design. A multiple spring model
with the ability to represent the load-transferring behaviour of this complex
lateral load resisting system of light wood frame buildings was developed. The
developed model was validated with results from the more sophisticated model,
spring deep-beam model. The lateral load distribution between shear walls with
various stiffness ratios of diaphragm to shear wall was also investigated. Based
on preliminary findings from this study, contrary to common belief, the forces
transferred by a semi-rigid diaphragm to the supporting shear walls, may be
higher than those predicted by flexible and rigid diaphragm assumptions.
Keywords: light wood frame buildings, lateral load resisting system, diaphragm
flexibility, load distribution.
Keywords
light wood frame buildings, lateral load resisting system, diaphragm
flexibility, load distribution
Related Book
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