Design Resistance of kidney-Shaped, Slotted Connections

Shear in Concrete Dr Satish Desai adds further comment to Professor Paul Regan’s contribution to the above topic (7 December 1999): In my earlier contribution of 3 August, I had emphasised that rules in different Codes must be used as independent packages and not mixed. I wish to demonstrate this concept with a brief comparison between the BS 8110 rule and the latest EC 2 draft rule, as shown below, which may also address some of the concerns expressed by Professor Regan. (The new EC 2 rule is quite different to the rule given in the ENV stage Eurocode.)

The UK Government is pressing for a large increase in house construction. At the time of writing, the target is of the order of 5M new dwellings in the next 20 years. The crucial question is: how will they be built? Professor J.M. Davies

The need for legislation is not new. Moses recognised the need for environmental legislation over 3400 years ago by including a brief reference in the Mosaic Law that instructed the Israelites to avoid polluting and defiling the land. Roger Johnson