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Though the steel portal frame is one of the simplest structural arrangements for covering a given area, the designer probably has to satisfy at least as many different structural criteria as for more complex structures. Present-day design of portal frames is reviewed in the light of recent research studies into certain aspects of the behaviour of portal frames, particularly the problem of stability of haunched rafters. Guidance is given for checking the lateral stability of such members. L.J. Morris
Aims of our Institution My Address coincides, in point of time, with the start of a new phase in engineering-the introduction of the Engineering Council. This Government-sponsored body is expected, in due course, with the agreement of CEI, to take over the granting of the title of ‘chartered engineer’. The Engineering Council will promote and develop the knowledge and best practice of engineering. Since we, in this Institution, have affirmed that our aim is ‘to promote the general advancement of the science and art of structural engineering’ then there can be no conflict in our respective aims. It is as well, however, to recall that whatever happens elsewhere, we have the sole right to qualify chartered structural engineers. Indeed, it appears to me important that in our pursuit of excellence in engineering, our members understand that we intend to continue to discharge this function with our accustomed vigour and energy. There is no doubt that our standards, as has been said before, are higher than those envisaged in the Finniston Report. We do not intend to lower those standards. T.N.W. Akroyd
The role of Codes as an aid in achieving good construction is much in dispute. Should they be somewhere between recent research and standardised proven requirements, telling engineers what is good practice, or should they be precise documents that set out how the task should be handled? Assuming that such precision is even possible, is it in fact desirable, or will innovation and flair be stifled? Are they a guide to the knowledgeable or a safety net for the amateur? If precise in their demands, should such Codes be the means of meeting statutory requirements? J.G. Sunley and R.G. Taylor