By Lavernia Jean. block. Published at Monday, January 21st, 2019 - 09:43:02 AM.
The manufacture of concrete paving blocks is a highly specialised process. Concrete pavers need to be dimensionally accurate and meet the required compressive strengths and abrasion resistance standards. Product should ideally be sourced from a SABS accredited manufacturer. (SABS 1058 sets out the standards and tolerances for concrete paving blocks.
External works need also be integrated within the works to ensure that they don’t drag the completion of the works as a whole. Taking the example of landscaping, it will need a lot of time to grow some of the plants as may be required in the compound. These could be planted long before the building is put up, as long as they do not play hindrance to the construction
Quality concrete paving is durable and requires little maintenance if correctly installed. This is why property developers often choose to install paved roads instead of tarred roads in business parks and residential developments.
Paving block structures with mortar filled vertical joints can exhibit a significantly higher load capacity as comparable structures with sand filled joints. For this reason, this pavement construction method is increasingly being used or would be used, respectively, if its performance could be estimated reliably. Specifically, the exact cause of cracks due to cooling in winter has not been fully understood yet and appropriate prediction tools do not exist.
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