Author: Strymowicz, G;Horsley, P D M
First published: N/A
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Strymowicz, G;Horsley, P D M
The mechanics of the structural action in torsion of the core walls in tall buildings is examined in this paper. The coupling effect of the floor beams on the separate walls is considered and a general solution to the resulting differential equation is derived. Expressions for the wall bending moments, the beam shear forces and the wall
displacements are given. The correlation of this theory with published test values is examined. Graphs of numerical values are given and an example is calculated to illustrate the order of the effect of the wall coupling.
The paper reviews the current effective width treatments in BS 153 and BS 449 for plates in compression, and compares them with recent research results. Interaction between local buckling and overall column buckling is considered. New design rules are tentatively suggested. Particular reference is made to the effect of residual stresses caused by welding, and an approximate method is presented for relating residual stress to size of weld.
J.B. Dwight and K.E. Moxham