BRE DG507 PDF

Marine-dredged aggregates make a significant contribution to the supply of aggregates in the UK. In England and Wales, marine sand and gravel make up about 8% of the total primary aggregates and 20% of the total sand and gravel. This Digest considers marine aggregates in relation to the requirements in European Standards for concrete and aggregates and the latest guidelines for preventing alkali-silica reaction. It is intended to serve as a baseline document for specifiers but will also be of interest to clients and their advisors. It is a revised edition of DG473, which is now withdrawn