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Wyoming roaming for CCVIII

Our General Manager Structural Systems heads to Wyoming USA from 30 July to 2 August where he’ll present at the 8th International Conference on Composite Construction in Steel and Concrete.   Organized by Virginia Tech, and sponsored by both the American Society of Steel Construction (AISC) and the American Society of Civil Engineers (ASCE) Structural…

boron-structural-steel-export-subsidies

Resource – Adding boron to structural steel for export subsidies

Historically, boron has not been intentionally added to structural steel manufactured in New Zealand or Australia to AS or AS/NZS standards. However some overseas steelmakers have added boron to structural steel to take advantage of export subsidies or for other reasons, including improved impact energy. Reports indicated that some imported steel may show elevated levels…

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Call for assistance – We want your steel and composite bridge photos!

Mentioned in the Australasian Certification Authority for Reinforcing and Structural Steels March 2017 Update, the ACRS Board meeting on 28th February considered a number of proposals to improve ACRS’ efficiency and effectiveness. It was agreed that stakeholders and certificate holders should be given until the end of March to discuss and comment on these important…

welding-reinforcing-bar

Resource – Welding of seismic grade reinforcing bar

Reinforced concrete structures often use the “seismic” grade of reinforcing bar 500E (to AS/NZS 4671). The designation “500E” means the reinforcing rebar must meet specific requirements in regards to mechanical properties to ensure the bar will have adequate performance under earthquake loading. The yield strength must be between 500 – 600MPa, the minimum elongation is…