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Background
The Rock Manual was originally published in 1991 by CIRIA (Construction Industry Research and Information Association) and CUR (the Netherlands Centre for Civil Engineering Research and Codes). It described the use of rock in coastal and shoreline engineering. It was updated in 1995 by CUR to include the use of rock in dams and fluvial engineering. Since then, significant research has been carried out to develop our understanding of how rock behaves and to determine improved practices for hydraulic engineering.