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Open-graded porous asphalt

Published:
Category: Construction , Asphalt , Specifications | Audiences: Civil engineering laboratories, Road traffic engineers & consultants, Roading contractors

This specification and guidance notes describe the required properties of open graded porous asphalt for use as a surfacing course for road pavements.

Test methods for epoxy modified open-graded porous asphalt

Published:
Category: Construction , Asphalt , Specifications | Audiences: Civil engineering laboratories, Road controlling authorities, Roading contractors

NZTA T21 Test methods for epoxy modified open-graded porous asphalt (version 1.0) sets out laboratory-based procedures to assess the quality of epoxy modified binders and the durability of epoxy modified open-graded porous asphalt mixes.

Test method for the determination of the dry density and water content relationship of aggregates

Published:
Category: Construction , Surfacing , Specifications | Audiences: Civil engineering laboratories, Road controlling authorities, Roading contractors

The T28 laboratory test method is used to determine the maximum dry density and optimum water content for aggregates used in pavement construction.

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