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Development of Machine-Learning Decision-Support Tools for Pavement Asset Management
This report explores the use of Artificial Intelligence (AI) and Machine-Learning (ML) in pavement asset management and details a methodology for developing new use-cases. While there are some existing uses of AI and ML technology in pavement asset…
Prolonging the Life of Road Assets Under Increasing Demand: A Framework and Tools for Informing the Development and Justification of Asset Preservation and Renewal
This report provides an evaluation framework, practices and supporting tools for evaluating road preservation and renewal treatment options for predominantly sprayed seal flexible pavements. It includes a compilation of case studies based on a…
Strategy for an Improved Mechanistic-empirical Flexible Pavement Treatment Design
This report details research undertaken to improve the mechanistic-empirical procedure for pavement rehabilitation and strengthening treatment design included in Austroads Guide to Pavement Technology Part 5: Pavement Evaluation and Treatment Design.…
National Prequalification System for Civil (Road and Bridge) Construction Contracts
The National Prequalification System for Civil (Road and Bridge) Construction Contracts has been developed to consolidate the various jurisdiction specific systems previously in place into a seamless, harmonised framework for applications,…
Improved Distress Viscosity Model for Reseal Intervention
An existing model predicted binder life by combining a binder hardening (increase in viscosity) model and a distress viscosity model. Inputs for the two models were site temperature parameters, binder durability (resistance to hardening) and seal…
Development of an Aggregate Size Term for a Reseal Intervention Model
An existing model predicted maximum seal life by combining a binder hardening (increase in viscosity) model and a distress viscosity model. Inputs for the two models were site temperature parameters and binder durability (resistance to hardening).…
Environmental Management Tools for Road Maintenance Contracts
The purpose of these Guidelines is to assist road agencies and their contractors in developing a systems approach in the management of environmental issues. The guidelines are structured in four parts to allow the reader to readily access…
Development of Performance Contracts and Specifications: Full Report
This report has been prepared as part of Austroads project NT & E 9904 (T & EP N006), “The Development of Performance Contracts and Specifications”, the goal of which is to develop a framework for performance contracts and specifications. The report…
Lane Rental: Contract Options, Practices, Benefits and Disbenefits
A form of contract, lane rental was developed to facilitate major motorway rehabilitation contracts in the United Kingdom in the 1980s, and has since been used in the United States. Lane rental contracts are a performance-based contract where road…
Quality Assurance in Contracts
This document was produced to assist clients and contractors and establish the principles of quality assurance in contracts and defines desirable practice for clients to adequately specify requirements and contractors to deliver capably. It also…