Abstract
The rapid development of urbanization generates building demolition that impacts the environment with building waste. This paper provides a method aiming at the deconstruction evaluation of building structures with the employment of image maximum laser scanning technology. A deconstruction evaluation model for deconstruction feasibility prediction indicates that the unique non-contact scanning technology can evaluate the deconstruction, improve the safety of deconstruction, and facilitate the transformation from destructive demolition to optimal deconstruction. One case study demonstrates that the accuracy of the structural information less than 1.94 mm can be controlled within the effective deviation range by combining the building information modelling (BIM) and the digital technology. Through optimization on the building joints and deconstruction process, the reusable potential after deconstruction increases by 5.37%.
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