ASSESSING CARBON DIOXIDE (CO2) OF EARTHWORKS’ OPERATIONS DURING ROAD CONSTRUCTION

Document Type : Original Article

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Department of Civil Engineering, Faculty of Engineering, Menoufia University, Shebin El-Kom, Egypt

Abstract

Climate change became one of the most important issues facing the global community. Transportation is considered one of the major factors affecting on climate change specially road sector. This can be caused by emissions of roads’ construction, use and maintenance. These emissions can be assessed by using environmental Life-Cycle Assessment (LCA) approaches. The fundamental objective of this paper is to assess the emissions of earthworks during roads construction. A case study from Egypt was selected to perform this study. The paper presents the methodology that will be followed for developing tools for assessing carbon dioxide emissions (Co2) during earthwork construction of roads. The preliminary analysis confirmed the necessity of the classification of the construction activities in order to develop energy and emissions models. Further analysis looked at the differences between machines used in each activity and significant differences were found between the activities of work according to earthwork masses, leveling, compaction and transportation activities. This tool is very useful and can be used in the design stage to evaluate the Co2 emissions and compare between the different alternatives to select the most proper alternative from the environmental prospective.

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