Application of RecyclingGraphs for the Optimisation of the Recyclability in Building Information Modelling

[摘要] This publication discusses the application of RecyclingGraphs and ConnectionMatrixes in Building Information Modelling (BIM) for the assessment of the ability of structures to be decomposed and their components to be recycled. The assessment of recyclability of designed building parts is a data-rich task which requires expert knowledge and detailed analysis on a small scale, if complete recycling of the material content is desired. Today often only the main content of buildings, such as concrete and steel structures, are recaptured, while components of smaller quantities are lost or in the worst case, if they cannot be separated, lead to deterioration of the main material flows. BIM models will be connected to relevant databases and used in future to support the optimization of building parts for complete recycling through assisted design or even in automated analysis runs and workflows. Structural compositions are described by RecyclingGraphs and ConnectionMatrixes, which's components represent on the one hand material elements and on the other hand the connections between them. Materials are classified in terms of various characteristics, such as their recyclability, their ability to be incinerated and the harmfulness of their deposition. The connections are evaluated regarding their ability to be disassembled and the compatibility of the materials connected. The structures are translated into ConnectionMatrixes and the aspects of the evaluation are assessed individually and in combination. The translation of BIM models of four wall structures into RecyclingGraphs and ConnectionMatrix representations is analysed and potentials of such representations in new BIM-based workflows are discussed.

[学科分类] 环境科学（综合）