Publications

Showing 1 - 9 of 9 Publications
Alkali-Silica Reactivity of Aggregate - Concrete Prism Test
This Test Method determines the susceptibility of aggregate to an expansive reaction when mixed with cement in a concrete mix. It measures the change in length of concrete prisms containing the aggregate under investigation. This Test Method is not…
Alkali-Silica Reactivity of Aggregate – Accelerated Mortar Bar Test
This Test Method determines the susceptibility of aggregate to an expansive reaction when mixed with cement in a concrete mix. It measures the change in length of representative mortar bars containing the aggregate under investigation during storage…
Properties of General-purpose Cement with Increased Percentages of Limestone
This report presents the results of a research project commissioned by Austroads to investigate whether the currently used Australian general-purpose (GP) cement which complies with AS 3972, and which may contain up to 7.5% limestone as a mineral…
Weather Resistant Steel As Viable Option For Country Timber Bridge Replacements
Steel in bridge construction in Australia has declined significantly over the last 40 years from around 25% of bridges to as low as 5% of bridges in recent years. The main reasons for this have been the proliferation of precast prestressed concrete…
Country Bridge Solutions
  • ABC2017-034-17
  • 20 Apr 2017
  • Bridges
Local councils face the growing challenge, as road authorities, of maintaining and eventually replacing ageing bridges on regional and local roads.
The Dynamics of Footbridges Construction in Kenya: Projects Towards Facilitating Mobility and Connectivity in the Rural Areas
Strategic facilitation of rural mobility and connectivity in Kenya has been a major focus of the government of Republic of Kenya since 2005. For the last 10 years the government has adopted design, implementation and maintenance of foot bridges as…
Rural Bridge Cost Benefit Analysis and Inclusion Within an Investment Program
Economic analysis can inform investment decisions around proposed bridge projects. This paper outlines the evaluative techniques and methodologies used in appraising a proposed bridge replacement and approach realignment project located in rural…
Testing and Specifying Chloride Resistance of Concrete
A wide range of test methods has been used to measure the resistance of concrete to chloride penetration. Each method is purported to measure the property of concrete central to the chloride transport mechanism into concrete. They include water…
The Use of Bar Chairs in Bridgeworks - An Assessment of bar chairs for use in precast concrete
The Roads and Traffic Authority of NSW (RTA) has had various concerns regarding the quality of the “cover concrete” produced by contractors and suppliers using certain types of bar chairs in the manufacture of concrete products for RTA bridges.…