by A Dunster, S Lane, I Longworth (06-Sep-2005)
Developers are increasingly using slag-bearing sites as part of the drive to locate new housing development on brownfield land. This report provides comprehensive guidance on assessment of sites containing ferrous slags derived from refining of iron ores. Blast furnace slag arises when iron ore is smelted to produce pig iron; steel slag arises when pig iron is converted into steel.
BR 481 aims to promote safe and cost-effective development on sites which, hitherto, would have been rejected because of concern about possible expansive reactions, ground movement and damage to buildings and structures.
The first part gives guidance on assessing sites that may contain ferrous slags. It describes the origin, occurrence and characteristics of blastfurnace and steel slags that may be expansive, maps out procedures for investigating brownfield sites intended for development, and gives detailed guidance on assessment and management of ferrous slags with respect to built development.
The second part compares test methods for assessing the volume stability of steel slags. The literature review in the third part covers research and test methods, site assessment methodologies and case studies. The main risk factors associated with expansive slags as well as methodologies and principles to mitigate these risks are also discussed. 82 pages.
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A Dunster, S Lane, I Longworth
06-Sep-2005
1-86081-759-9
BR481, brownfield sites, contaminated land, ferrous slags, iron, foundries, blastfurnace slags, steel slags, expansive properties, identification, ground movement, risk assessment, case studies.
BRE Electronic Publications
