Widening of concrete pavements in NSW

Widening of existing concrete pavements has become part of the normal scope for many road projects in NSW as most of these projects involve realignment and/or rehabilitation of existing concrete pavements. This trend will increase as current pavements reach their design lives and there is a need to upgrade existing infrastructure. Currently, the pavement design for the widening of concrete pavements is undertaken in accordance with the Roads and Maritime Services (RMS) guidelines and specifications. There are many issues encountered during the widening design that are not addressed or contradict the RMS documents as they have been developed for the design and construction of new pavements. This paper describes current practice and the Technical Directions provided by RMS, as well as, common issues encountered during the design and construction of concrete pavement widenings that are not included in the RMS guidelines and specifications. It will also discuss solutions that have been adopted in recent projects and the need to look for more cost effective and innovative approaches to the upgrading and rehabilitation of concrete pavements in an environment facing budgetary constraints. It also provides examples of overseas practices and guidelines for comparison purposes.

• Authors:
  • Alcázar, E
• Conference:
  • Australian Society for Concrete Pavements Conference, 4th, 2017, Kingscliff, New South Wales, Australia
• Publication Date: 2017-7

Language

• English

Media Info

• Pagination: 18p
• Monograph Title: ASCP 4th Conference, 17-18 July 2017, Kingscliff, NSW

Subject/Index Terms

• TRT Terms: Concrete; Concrete pavements; Cost effectiveness; Costs; Pavement design; Pavement widening; Specifications
• Uncontrolled Terms: Design guide; Pavement technology; Road design and asset management
• Geographic Terms: Australia; New South Wales
• ATRI Terms: Concrete pavement; Cost effectiveness; Design guide; Pavement design; Specifications; Widening
• ITRD Terms: 2889: Widening (road, bridge)
• Subject Areas: Highways; Pavements; I22: Design of Pavements, Railways and Guideways; I61: Equipment and Maintenance Methods;

Filing Info

• Accession Number: 01651095
• Record Type: Publication
• Source Agency: ARRB
• Files: ITRD, ATRI
• Created Date: Nov 20 2017 10:32AM