Assessment of the reuse potential of existing concrete: Enhancing circularity in the Dutch building sector by harvesting structural elements from demolition projects

Awareness about our planet is more important than ever before. Thereby, the transition towards a Circular Economy (CE) aims to keep products in use and to design out waste. In the construction industry, one way of reducing the use of raw materials is by transforming waste residuals from demolition projects into resources to be reused. By...

Identifying and subducting the key barriers of reusing precast girders in Dutch overpasses

Reuse is highly appraised in the theories about circularity and sustainability. However, overpass girders in the main road network of Rijkswaterstaat are never reused for the same function. There are barriers present which hampers the reusing elements in comparison with the traditional way of handling infrastructure projects. Most of the main...

Assessment of demountable steel-concrete composite flooring systems

Sustainability concerns steer the construction sector towards adopting a circular economy philosophy. Steel-concrete composite beams are extensively used in multi-story buildings and bridges due to their competitive construction and efficient material use. Currently the composite action is mainly achieved by headed shear connectors welded to the...