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It is difficult to predict the distribution of residual stresses present in an asymmetrical welded fabrication such as a stiffened panel. The problem is further complicated when techniques are employed to minimise the out-of-straightness of the finished article. Since residual compressive stresses are often a source of weakness in a compression member, it is important to allow for this effect when drafting design Codes. The tests reported in the paper form a useful contribution towards this end. However the work could have been considerably more interesting if some additional measurements had been made.
G.H. Little and C.D. Bradfield
The paper gives details of tests on model slab-column subsystems in which the moment transfer from the slab to the edge and interior columns is investigated. Measured moments are compared with those estimated using frame analysis and plate bending finite element analysis. A comparison is also made of the shear capacity at the interior column with that predicted by the British and American Codes and other methods of analysis. In all cases the relevant recommendations of CP110 are more conservative than the other approaches examined.
A.E. Long, D.J. Cleland and D.W. Kirk
The decision in 'Anns'case continues to draw comment and stimulate controversy. We believe this to be good in itself, good that it brings out the several points of view on its implications and possible consequences and good in that it demonstrates very clearly that structural engineers are not so much concerned about themselves but about people and society at large.