Estimating on-site emissions during ready mixed concrete (RMC) delivery: A methodology
Olanrewju, O. and Chileshe, N. and Edwards, D.J. (2020) Estimating on-site emissions during ready mixed concrete (RMC) delivery: A methodology. Case Studies in Construction Materials, 13. e000439. ISSN 2214-5095
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Abstract
Sustainability represents a critical challenge in the construction industry and many approaches have been developed to reduce the environmental impact of on-site construction processes. However, scant academic attention has been given to the environmental impact of logistical support for ready mixed concrete (RMC) on-site delivery emissions in developing countries. This paper develops a methodology for capturing emissions from RMC equipment and material during on-site delivery operations. A literature review was conducted to define and delineate upon greenhouse gases emitted during RMC operations and the appropriate methods to calculate them. A methodology was then developed and validated by analysing ten delivery cycle times in a case study. Data collected was analysed using simple descriptive summary statistics (viz: mean, bar charts and standard deviation). The study’s results illustrate that on-site emissions incurred were: CO2 account for 99.38% of the total emissions from RMC equipment while HC (0.03%), CO (0.11%), NOx (0.26%), PM10 (0.02%), and SO2 (0.20%) account for 0.62%. Embodied CO2 in RMC also contributes majorly to emissions in on-site delivery operations. Alternative materials such as fly ash represent a viable means of reducing embodied emissions in RMC but proper handling is required to avert harmful environmental impacts. The study provides deeper insights into the on-site emissions arising from RMC delivery operations and a bespoke methodology that could be used as an organisational learning tool for RMC companies.
| Item Type: | Article | ||||||
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| Identification Number: | https://doi.org/10.1016/j.cscm.2020.e00439 | ||||||
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| Uncontrolled Keywords: | Ready mixed concrete, sustainability, on-site delivery operations, transportation, emissions | ||||||
| Subjects: | CAH13 - architecture, building and planning > CAH13-01 - architecture, building and planning > CAH13-01-02 - building | ||||||
| Divisions: | Faculty of Computing, Engineering and the Built Environment > College of Built Environment | ||||||
| Depositing User: | David Edwards | ||||||
| Date Deposited: | 17 Sep 2020 15:17 | ||||||
| Last Modified: | 20 Jun 2024 11:45 | ||||||
| URI: | https://www.open-access.bcu.ac.uk/id/eprint/9901 |
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