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The purpose of this feature is to encourage the use of the first parts of Eurocodes 2 and 3, for the design of concrete structures and steel structures, respectively, during their initial validity of 3 years. J.F.A. Moore
Some months ago I gave a talk in which I concluded that very few can name a famous accountant but many people can name a famous engineer or two. Afterwards, a chartered accountant in the audience said he sympathised with most of my talk - however, you engineers have only yourselves to blame! I concluded that he meant we do not project ourselves or our profession highly or often enough, or that we are divisive. C.P. Pountney
Penetrations are commonly placed in the webs of steel beams (or steel joists for composite beams) to permit the passage of building services. Experimental investigations indicate that the differential deflection across a web penetration can be significant and that local yielding commences around the penetrations even at working loads. In Australia, neither the steel structures Code (AS 4100) nor the composite construction Code (AS2327) gives specific recommendations with regard to design for penetrations. This paper provides designers with a simplified, and yet rational, method to determine the elastic deflection of steel and composite beams with web penetrations. P.H. Dayawansa