oa Civil Engineering = Siviele Ingenieurswese - South Africa's largest permeable paving project to date

Volume 16, Issue 10
  • ISSN : 1021-2000



The PICP project at Wits consisted of six material strata. Starting with the bottom layer and rising sequentially to the top, the strata are: 150 mm of recompacted in situ soil; Typar geotextile membrane manufactured by DuPont and supplied locally by DV Building; 250 mm of 37 mm quarried stone; 100 mm of 24 mm quarried stone; Inbitex membrane supplied by Concor Technicrete; 50 mm of 6,7 mm stone; and finally, 60 mm of rectangular paving blocks rated at 30 MPa which were supplied by Concor Technicrete.

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