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As steel strength increases, understanding serviceability behaviour becomes more important. This research develops a model to predict shear crack widths in reinforced concrete beams using high strength steel stirrups. Existing design approaches do not fully account for this behaviour, which can limit the adoption of higher strength materials. The findings support the safe and effective…

Unlocking the full benefit of high strength steel requires design models that reflect how materials behave in real conditions. This paper explores how confinement, creep and shrinkage influence the performance of reinforced concrete columns using 600 MPa steel. It shows that standard design assumptions can limit the effective use of higher strength steel, restricting potential…

Design methods play a critical role in how effectively higher strength steel can reduce material use. This paper examines how traditional rectangular stress block methods can limit the benefits of 600 MPa reinforcing steel, and demonstrates how an alternative curvilinear stress block model can better utilise the strength available. The research shows that using this…

Higher strength steel creates new opportunities for material efficiency, but design constraints can limit the full benefit. This research explores how a customised rib pattern improves the bond between 600 MPa reinforcing steel and concrete, allowing shorter development lengths than currently required by Australian Standards. By addressing this constraint, the approach enables greater material savings…

Prefabrication and higher strength steel are combining to improve how reinforced concrete structures are delivered. This paper examines how 600 MPa prefabricated column cages can reduce both material use and embodied carbon compared to traditional 500 MPa bar installation on site. By using higher strength steel, less material is required to achieve the same structural…

Research Paper: Anthony Ng Structural engineers play a key role in how efficiently buildings are designed and delivered. This paper explores how applying the waste hierarchy, reduce, reuse, then recycle, can improve sustainability outcomes at the design stage. It shows that reducing the amount of material used is the most effective way to improve both…