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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.

Estimation of the density of compacted aggregate layers by direct transmission

Published:
Category: Construction , Asphalt , Specifications | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors

The T23 method for the estimation of the density of compacted aggregate layers by direct transmission is used to quantify the vertical uniformity of aggregate compacted in a pavement layer.

High modulus asphalt (EME 2)

Published:
Category: Construction , Asphalt , Specifications | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors

The M32 specification for high modulus asphalt (EME 2) (version 1) and notes (version 1) cover EME 2 high modulus asphalt for roads, industrial pavements and related applications.

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.

Stone mastic asphalt

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

The M27 stone mastic asphalt specification (version 1) and notes (version 1) cover stone mastic asphalt used as a pavement surfacing layer for roads and related applications.

Permeability of hot mix asphalt

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

This method describes the use of the standpipe permeameter to assess the permeability of compacted hot mix asphalt pavement surfacings.

Dense graded asphalt

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

The M10 dense graded asphalt specification (version 6) and notes (version 4) cover dense graded asphaltic concrete for roads and related applications.