A digital circularity approach to leverage waste lumber in dowel-laminated timber slabs

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Abstract

Given the substantial carbon impact of buildings, structural systems which are low in embodied carbon are needed to address climate change. The use of salvaged materials for structural applications presents the opportunity to divert construction and demolition waste while reducing the embodied carbon of new structural components. This paper proposes a typology for dowel-laminated timber (DLT) slabs built up from waste lumber offcuts. A mechanical model for the DLT system composed of geometrically heterogeneous offcuts is developed. A workflow which leverages algorithmic methods for inventory assignment and structural optimization to design slabs which meet deflection requirements is introduced.

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