A System Dynamics Model for Construction Waste Resource Recovery Management in China

Hui Guo

Abstract


Construction waste resource recovery management (CWRRM)is a key focuswithinacademia and industry, as it is directly related to the effectiveness ofconstruction waste management (CWM) activities, and to a great extent,affects the sustainable development of green buildings and the environment. How to provide incentivesand generate the enthusiasm of stakeholders in waste management is especially critical. This paper usesthe system dynamics (SD) method to study the CWRR problem, through the analysis of the relationship between various influences factorsfor contractors to resourcefully dispose CW,we firstly establish a model for CW resourceful disposal in three stages of construction,use VENSIM software for simulation,and apply the model in a construction project in Chengdu, China. The results showed thatthe most effective measures to increase the amount of waste resource recovery (WRR)are to improve the market demand in renewable materials,to improve the construction enterprises’ consciousness in setting up green images, and to improve the recycling market development level.SD applied to study the problem of CWRR, can better reflect the complex relationships between various factors in the system,and can be used toprovide guidance and reference for the establishment of CWRRM measures.


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