Author: Bartak, A J J;Kaye, D C;George, T J
First published: N/A
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Bartak, A J J;Kaye, D C;George, T J
The President: You mention in the paper that there is quite a range of strengths I think between 100-800 M N/,m2. Would you like to say something about the reasons? Is it the proportion of the glass fibres or is the size of the fibres?
The paper presents non - dimensional design charts which allow the estimation of the critical loads of sets of interbraced compression members and also the strength requirements of the braces. The charts summarise the results of computations made on structures comprising up to six compression members in parallel linked by up to twelve lines of braces. Both uniform and'parabolic' axial force distributions within the column length are considered. The analytical procedure used is a normal stiffness matrix formulation using stability functions to incorporate the weakening effect of axial compression.
A correspondent in commenting on legal liability in the April 1977 column referred to
a case then being considered in the House of Lords. It was the case of Anns and others v Merton London Borough Council. Judgement has now been given which seems likely to re-open the flood gates of litigation to which he referred. Briefly the decision is that a Council has a duty to inspect a site (the issue was about damage caused by settlement due to poor foundations); if the Council fails to do so, or if the inspection is negligent, the Council has a liability if something goes wrong. Further, the plaintiff, has six years from the time the damage appeared in which to make his case and the plaintiff can be the present owner of the damaged property and not the original purchaser. Since this is a ruling by the highest court of the land it is a precedent which only legislation by Parliament can change.