The global building industry is now at a turning point, where increasing pressure towards more sustainable construction methods is driving great interest in engineered mass timber—not only because of its perceived lower carbon footprint in production, but because of timber’s ability to sequester carbon from the atmosphere as it grows / produces. However, the adoption of mass timber is still in its relative infancy, with heights in the 15–20 floor count typically being achieved so far. Timber will need to act in symbiosis with other materials, such as steel, to achieve greater heights for these buildings in the future.
The overriding objective of this project, then, is to capture the current state‐of‐the‐art and full potential of steel‐timber composite structures in high‐rise buildings, globally, as a means of clarifying the full benefits of steel‐timber composite construction for the tall building industry. Through detailed, data‐driven case study analyses (including built, under‐construction, and proposed buildings), the primary motivators that dictate and enable the use of steel‐timber composite systems will be identified, and the life cycle costs and environmental impacts will be studied. Common characteristics and drivers will be published and promoted, to guide and influence the future of the building industry, underscoring the value proposition of the steel-timber hybrid. Through this in‐depth assessment of the design, cost, environmental, and market benefits of using steel‐timber composite structures, a significant Research Report publication will be produced, serving as a precedent reference for stakeholders.
Note: This project is the next step, and builds upon, other CTBUH Timber Research Projects complete and currently underway, namely:
constructsteel is the steel construction market development program of the World Steel Association. Their mission is to position the use of steel as a material of choice in a sustainable way and by communicating its benefits to construction stakeholders. constructsteel is a global marketing and research-focused program, whose role is to position and target specific markets & topics requested by members for members. At the same time, constructsteel has a regional dimension, i.e., to assist in transforming global efforts into opportunities at the regional level.
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