Author: Chou, S K G;Chapman, J C
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Chou, S K G;Chapman, J C
Like most Ulster people I am not generally given to ‘blowing my own trumpet’ but I cannot deny the pride I feel as I assume the Presidency of the Institution. I look forward enormously to challenges that lie ahead. I also look forward to the new friends I hope to make, to add to the valued colleagues whose companionship I have enjoyed during my association with the Institution. John Hill
The Forces in Roofs Simon Course, a Graduate Member writing from Salisbury, has explained why calculations for tie forces are often wrongly derived: Consider a simple roof construction, as shown in Fig 1, with all three joints pinned and a rafter UDL. When checking submissions for Building Regulation approval, it seems that many engineers derive the tie force (and hence the load for the rafter/tie connection design) by using the expression T=R/tane. As tane=2H/L, this gives T=RL/2H. This is in fact incorrect.
The new parliamentary building, adjacent to the Palace of Westminster, provides offices and committee rooms for MPs. The location in a World Heritage site was an important factor in the design; equally significant was the presence below of the new Westminster underground station. J.A. Thornton, C.P. Dewy and D.M. Mitchell