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The Structural Engineer, Volume 70, Issue 23, 1992
Approval for Building Regulations - and the use of ‘structural design programs’ Mr R. R. Stagg, on 20 October, expressed concern regarding what he saw as the excessive reliance, in submissions for building control purposes, on calculations as presented by computer printouts from ‘structural design programs’. This topic has been taken up in a letter from Denis Wall of Dalkey in County Dublin: Being a late entrant to building control in the Dublin area a dozen years ago, I considered that the ‘checking of calculations’ was a very barren exercise, given that the builder never sees them. Verulam
Reinforced concrete columns are now often designed by computer, but design charts are still a popular alternative. Many sets of charts have been published for different Codes of Practice over the years, by various authors, but most of those for rectangular columns (e.g. BS81lO:Part 3' and the IStructE manual²) cover only columns that are reinforced with four bars placed near their corners. A.N. Beal and F.N. Pannell
Conventional limestone concrete airfield pavements are prone to spalling as a result of jetblast from vertical takeoff and landing aircraft. This paper describes a collaborative research programme aimed at developing jetblast-resistant pavement quality concretes incorporating alternative cementitious materials and aggregates. Ten alternative mixes were evaluated by subjecting slabs to simulated Harrier jet-engine blast on the ground erosion test facility at British Aerospace, Warton. S.A. Austin, P.J. Robins and M.R. Richards