n IMIESA - The rules of concrete retaining block walls : construction




Extracted from text ... IMIESA MAY 2005 - 19 CONSTRUCTION Concrete retaining block (crb) walling is a highly effective landscaping tool. Following its introduction some 20 years ago, crb walling has evolved to become the dominant retaining wall system in South Africa. Despite its widespread usage, there are only three Concrete Manufacturers Association (CMA)-approved crb wall installers inthe country. This should set the alarm bells ringing; if a crb wall is not properly designed and constructed, it can collapse - a situation that harbours far more potential danger than the failure of a paved driveway or patio. In addition to damaged property, injury and ..


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