CIB Commission W 23 has produced 'International Recommendations for the design of masonry structures', published in 1980 as part of the JCSS set of Material Codes. The recommendations deal only with unreinforced brick or blockwork but progress is now well advanced in extending the advice to reinforced masonry (see companion article in this issue). Here, the author, one of the co-reporters on this task, explains the background to the 1980 Recommendations, their purpose and their scope, which is to inform national Codes and aid Code drafters. The practical application of the recommendations is then illustrated by worked examples for an internal wall and for an external cavity wall. The author is a senior partner in the firm of Jenkins and Potter, consulting engineers, of London, UK.
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