Infrastructure Management and DeliveryIndustry Forum
Pavements, Materials and Geotechnical initiatives
A presentation by Michael PickeringDirector (Pavements, Research and Innovation)
15 November 2013
Tourism Construction
Mining Agriculture
Four Pillars of the Queensland Economy
Customers First
Ideas into Actions
Unleash Potential
Be Courageous
Empower People
Queensland Public Service Values
Queensland Plan
The
A 30 year vision for Queensland
Government Priorities
Key value for money improvements
• > alignment with Austroads• > options for improved layers• Cover over expansive subgrades related to risk
• Selection of unbound granular materials• Guidance for CMB pavements• Strength of lime stabilised subgrades
Key value for money improvements
Construction Materials TestingSupplier Registration System
Construction Materials Testing Supplier Registration System
• New standalone
document
• Requirements
Background
• Road construction materials (quarry products) procured from contractors who purchase from quarry operators
• Quality• Need to meet requirements of specifications
• Registered quarries now on internet• Updated requirements for Material Quality
Management Plans (MQMPs)• Control to achieve best quality• Identify risk• Ensure conformance• Varying complexity
Recent improvements and developments
• Assessment of >310 quarries• Developing new guidelines for MQMPs
• Revise EN10• Developing quarry specific testing frequencies
Current / immediate challenges
Contact• Ajith (Diss) Dissanayake,
Principal Engineering Geologist• (07) 3066 7785
Further information
Mix Design Registration• Supplier fully responsible for mix design• < cost & time• Test methods
Expected benefits
Expected benefits
Durability• > minimum binder
content• More uniform
compaction• Increased penalties
Productivity• Removal of waterproofing
seal below DGA wearing surfaces
Consistency in approach• RMS specification default
unless sound technical reason to change.
Expected benefits