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#20-10 Use of hollow bar ground anchors and soil nails

Published:
Category: Technical advice note | Audience: Road traffic engineers & consultants

This note is to advise that there is an issue with the use of hollow bar anchors and soil nails as an anchorage method and, as a result, this methodology must not be used unless its suitability for anchoring structural works as designed is demonstrab…

#20-16 New specifications for dense graded asphalt concrete and stone mastic asphalt

Published:
Category: Technical advice note | Audience: Road traffic engineers & consultants

This note advises that Waka Kotahi NZ Transport Agency specification M10: 2020, Specification for dense grade asphaltic concrete (AC) and specification M27: 2020 Specification for stone mastic asphalt (SMA) have been released for general use and are …

#20-01 Procedures for design and indirect tensile strength testing of modified and bound pavement materials

Published:
Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors

This note is to advise that NZ Transport Agency (NZTA) Specification T19:2020, Procedures for design and indirect tensile strength testing of modified and bound pavement materials, has been released for general use and is available on the Transport A…