Waste Management and Research, Volume (35), No (7), Year (2017-7) , Pages (776-785)

Title : ( A novel approach to find and optimize bin locations and collection routes using a geographic information system )

Authors: Seyed Mohammad Hassan Erfani , Shanaz Danesh , Seyed Mohsen Karrabi , Rouzbeh Shad ,

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One of the major challenges in big cities is planning and implementation of an optimized, integrated solid waste management system.This optimization is crucial if environmental problems are to be prevented and the expenses to be reduced. A solid waste management system consists of many stages including collection, transfer and disposal. In this research, an integrated model was proposed and used to optimize two functional elements of municipal solid waste management (storage and collection systems) in the Ahmadabad neighbourhood located in the City of Mashhad – Iran. The integrated model was performed by modelling and solving the location allocation problem and capacitated vehicle routing problem (CVRP) through Geographic Information Systems (GIS). The results showed that the current collection system is not efficient owing to its incompatibility with the existing urban structure and population distribution. Application of the proposed model could significantly improve the storage and collection system. Based on the results of minimizing facilities analyses, scenarios with 100, 150 and 180 m walking distance were considered to find optimal bin locations for Alamdasht, C-metri and Koohsangi. The total number of daily collection tours was reduced to seven as compared to the eight tours carried out in the current system (12.50% reduction). In addition, the total number of required crews was minimized and reduced by 41.70% (24 crews in the current collection system vs 14 in the system provided by the model). The total collection vehicle routing was also optimized such that the total travelled distances during night and day working shifts was cut back by 53%.

Keywords

, Capacitated vehicle routing problem (CVRP), geographic information system (GIS), location allocation problem, municipal solid waste management, solid waste
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@article{paperid:1063907,
author = {Erfani, Seyed Mohammad Hassan and Danesh, Shanaz and Karrabi, Seyed Mohsen and Shad, Rouzbeh},
title = {A novel approach to find and optimize bin locations and collection routes using a geographic information system},
journal = {Waste Management and Research},
year = {2017},
volume = {35},
number = {7},
month = {July},
issn = {0734-242X},
pages = {776--785},
numpages = {9},
keywords = {Capacitated vehicle routing problem (CVRP); geographic information system (GIS); location allocation problem; municipal solid waste management; solid waste collection},
}

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%0 Journal Article
%T A novel approach to find and optimize bin locations and collection routes using a geographic information system
%A Erfani, Seyed Mohammad Hassan
%A Danesh, Shanaz
%A Karrabi, Seyed Mohsen
%A Shad, Rouzbeh
%J Waste Management and Research
%@ 0734-242X
%D 2017

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