Prefabricated components of lightweight aggregate concrete with open structure –
Introduction
In recent years, numerous European standards have been implemented. In the case of harmonized standards, the corresponding national standards had to be withdrawn following expiration of a specified transition period. This procedure generally takes place without problems. Additional work for the national committees is required when the new European standard covers only parts of the national standards. An example of this is the European standard for prefabricated reinforced concrete components of lightweight aggregate concrete, DIN EN 1520 [1], which is to replace DIN 4028 [2] and...