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Fleet size estimation for spreading operation considering road geometry,weather and traffic

Fleet size estimation for spreading operation considering road geometry,weather and traffic

作     者:Steven I-Jy Chien Shengyan Gao Jay N.Meegoda Taha F.Marhaba 

作者机构:Department of Civil & Environmental EngineeringNew Jersey Institute of Technology School of AutomobileChang'an University 

出 版 物:《Journal of Traffic and Transportation Engineering(English Edition)》 (交通运输工程学报(英文版))

年 卷 期:2014年第1卷第1期

页      面:1-12页

学科分类:08[工学] 0814[工学-土木工程] 082301[工学-道路与铁道工程] 0823[工学-交通运输工程] 

基  金:supported by the New Jersey Department of Transportation and the Federal Highway Administration 

主  题:fleet size road geometry road network spreading operation traffic speed winter road maintenance 

摘      要:Extreme weather conditions(i, e. snow storm) in winter time have caused significant travel disruptions and increased delay and traffic accidents. Snow plowing and salt spreading are the most common counter-measures for making our roads safer for motorists. To assist highway maintenance authorities with better planning and allocation of winter maintenance re- sources, this study introduces an analytical model to estimate the required number of trucks for spreading operation subjective to pre-specified service time constraints considering road geome- try, weather and traffic. The complexity of the research problem lies in dealing with heteroge- neous road geometry of road sections, truck capacities, spreading patterns, and traffic speeds under different weather conditions and time periods of an event. The proposed model is applied to two maintenance yards with seven road sections in New Jersey (USA), which demonstrates itself fairly practical to be implemented, considering diverse operational conditions.

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