Abstract

The scale of the industrial chain for construction waste reclamation in China is still at a small magnitude with a relatively slow development rate, yet to form an industrial chain that is mature. With the industrial chain theory, this paper takes Guangzhou as an example to construct a simulation model of the scale of industrial chain of construction waste reclamation based on system dynamics. As the results show: (1) though the subsidy policy carried out by the government has a significant effect on the development of the industrial chain of construction waste reclamation, a greater amount of compensation will not necessarily lead to a larger scale of industrial chain of construction waste.(2) The inventory optimization management is conducive to promote the development of industrial chain of construction waste. (3) The governmental compensation amount of RMB 50,000 per 10,000 tons in the next 5 to 10 years will be the optimal to ensure the rapid development of the industrial chain of construction waste. (4) The scale of the industrial chain of construction waste reclamation, the inventory of the dealers and the inventory of resource-oriented enterprises interact and mutually constrain, implying that with the expansion of the production scale of resource-oriented enterprises, the oscillation amplitude of the inventory of the dealers will become greater while the frequency will be smaller .The conclusion of the study provides reference value and theoretical basis for the development of industrial waste resource industry chain.

Highlights

  • With the issues in energy-saving and environmental protection put forward again in the 13th Five-year Plan, the reclamation of construction waster has become a focus among those experts in the field of construction and relevant government departments

  • In view of the small scale of industrial chain of construction waste reclamation in China, this paper from the perspective of industrial chain adopts the system dynamics to set up the simulation model of industrial chain of construction waste reclamation to simulate the development of the scale of industrial chain and the inventory of dealers

  • The results are shown as follows: 1. In China, the development of the industrial chain of construction waste reclamation is closely related to the government's subsidy policy

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Summary

INTRODUCTION

With the issues in energy-saving and environmental protection put forward again in the 13th Five-year Plan, the reclamation of construction waster has become a focus among those experts in the field of construction and relevant government departments. The efficiency of construction waste reclamation in China insofar is quite low, less than 5 percent according to relevant data [2]. The government plays an important role in the process of recycling of construction waste, for example, the Spanish government policy for construction waste recycling “tax subsidies and economic punishment” [4]. This has led to the phenomenon that the annual output of renewable products of construction waste recycling enterprises, and the scale of entire construction waste resource industry chain are small in our country. The development speed is slow, which makes a sharp contrast to the complete industrial chain of construction waste recycling in European Union countries

A Dynamic Model for Simulation of the Scale
SYSTEM STRUCTURE OF THE INDUSTRIAL CHAIN OF CONSTRUCTION WASTE RECLAMATION
Logistics Subsystem
Evaluation
ANALYSIS AND DISCUSSION ON THE RESULTS OF MODEL SIMULATION
Simulation of the Inventory of Dealers
Simulation of the Inventory of Resource-oriented Enterprises
Sensitivity Analysis of Government Subsidiary
CONCLUSION AND SUGGESTIONS

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