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Mitigating Carbon Emissions during the Planning and Execution of Transport Infrastructure Projects
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Industrilized and sustainable construction.ORCID iD: 0000-0002-1172-5694
2019 (English)Doctoral thesis, comprehensive summary (Other academic)Alternative title
Metoder för att minska koldioxidutsläpp i planering och genomförande av transportinfrastrukturprojekt (Swedish)
Place, publisher, year, edition, pages
Luleå: Luleå University of Technology, 2019.
Series
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
National Category
Infrastructure Engineering Construction Management
Research subject
Construction Engineering and Management
Identifiers
URN: urn:nbn:se:ltu:diva-73324ISBN: 978-91-7790-338-3 (print)ISBN: 978-91-7790-339-0 (electronic)OAI: oai:DiVA.org:ltu-73324DiVA, id: diva2:1299295
Public defence
2019-06-03, Auditorium, F231, Luleå, 10:00 (Swedish)
Opponent
Supervisors
Available from: 2019-03-27 Created: 2019-03-26 Last updated: 2019-05-15Bibliographically approved
List of papers
1. Analysis of alternative road construction staging approaches to reduce carbon dioxide emissions
Open this publication in new window or tab >>Analysis of alternative road construction staging approaches to reduce carbon dioxide emissions
2017 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 143, p. 980-988Article in journal (Refereed) Published
Abstract [en]

Despite many studies focusing on assessing energy use and carbon dioxide emissions in road projects, limited attention has been given to practical methods for mitigating environmental impacts at the project planning stage. Our study addresses this issue by proposing a model incorporating a step-by-step guide for calculating carbon dioxide emissions in the project. This model is practically applied to a road construction project where two major supply chain alternatives are evaluated and compared. The findings suggest that major reductions of carbon dioxide emissions can be achieved by (1) identifying and comparing a set of realistic project alternatives, and (2) conducting this at an early stage of the project planning process so that favorable alternatives can be implemented during construction.

Place, publisher, year, edition, pages
Elsevier, 2017
Keywords
Earthworks, Energy estimation, Project alternatives evaluation, Mass-haul, Construction equipment
National Category
Construction Management
Research subject
Construction Engineering and Management
Identifiers
urn:nbn:se:ltu:diva-61040 (URN)10.1016/j.jclepro.2016.12.023 (DOI)000392789000088 ()2-s2.0-85008395912 (Scopus ID)
Note

Validerad; 2017; Nivå 2; 2017-01-23 (andbra)

Available from: 2016-12-12 Created: 2016-12-12 Last updated: 2019-09-13Bibliographically approved
2. Evaluating Construction-based Greenhouse Gas Emissions of Alternative Road Alignments
Open this publication in new window or tab >>Evaluating Construction-based Greenhouse Gas Emissions of Alternative Road Alignments
2017 (English)In: ICCREM 2016: BIM Application and Offsite Construction - Proceedings of the 2016 International Conference on Construction and Real Estate Management 2016 / [ed] Wang Y.,Al-Hussein M.,Shen G.Q.P.,Zhu Y., Reston, VA: American Society of Civil Engineers (ASCE), 2017, p. 527-534Conference paper, Published paper (Refereed)
Abstract [en]

Road projects generally begin with broad investigations and progressively advance towards more detailed and immediate issues. Road corridors, which represent rough locations of alternative road alignments, are usually identified, evaluated and compared in early planning stages. Commonly at this stage, costs estimates of the identified road alignment are made whereas their environmental impacts, such as greenhouse gas (GHG) emissions, often are insufficiently accounted for. GHG emissions caused by the construction process are frequently ignored altogether. Despite indications that benefits of decisions and measures can be considerably higher if implemented in early planning stages, much emphasis is put on later stages. Our study presents an approach for estimating project-based GHG emissions of alternative alignments in early planning stages. The findings indicate that if adopted in the planning process, the approach can support projects in reducing their GHG emissions.

Place, publisher, year, edition, pages
Reston, VA: American Society of Civil Engineers (ASCE), 2017
National Category
Construction Management
Research subject
Construction Engineering and Management
Identifiers
urn:nbn:se:ltu:diva-61042 (URN)10.1061/9780784480274.063 (DOI)2-s2.0-85029598365 (Scopus ID)9780784480274 (ISBN)
Conference
2016 International Conference on Construction and Real Estate Management, ICCREM 2016, Edmonton, Canada, 29 September - 1 October 2016
Available from: 2016-12-12 Created: 2016-12-12 Last updated: 2019-03-26Bibliographically approved
3. Assessing Embodied Energy and Greenhouse Gas Emissions in Infrastructure Projects
Open this publication in new window or tab >>Assessing Embodied Energy and Greenhouse Gas Emissions in Infrastructure Projects
2015 (English)In: Buildings, ISSN 2075-5309, E-ISSN 2075-5309, Vol. 5, no 4, p. 1156-1170Article in journal (Refereed) Published
Abstract [en]

Greenhouse gas (GHG) emissions from construction processes are a serious concern globally. Of the several approaches taken to assess emissions, Life Cycle Assessment (LCA) based methods do not just take into account the construction phase, but consider all phases of the life cycle of the construction. However, many current LCA approaches make general assumptions regarding location and effects, which do not do justice to the inherent dynamics of normal construction projects. This study presents a model to assess the embodied energy and associated GHG emissions, which is specifically adapted to address the dynamics of infrastructure construction projects. The use of the model is demonstrated on the superstructure of a prefabricated bridge. The findings indicate that Building Information Models/Modeling (BIM) and Discrete Event Simulation (DES) can be used to efficiently generate project-specific data, which is needed for estimating the embodied energy and associated GHG emissions in construction settings. This study has implications for the advancement of LCA-based methods (as well as project management) as a way of assessing embodied energy and associated GHG emissions related to construction.

National Category
Construction Management
Research subject
Construction Engineering and Management
Identifiers
urn:nbn:se:ltu:diva-6983 (URN)10.3390/buildings5041156 (DOI)000215245400003 ()2-s2.0-84958780316 (Scopus ID)55080bc0-6a9e-4588-9916-16890c00664b (Local ID)55080bc0-6a9e-4588-9916-16890c00664b (Archive number)55080bc0-6a9e-4588-9916-16890c00664b (OAI)
Note
Validerad; 2015; Nivå 1; 20151016 (jankra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2019-03-26Bibliographically approved
4. ‘Eco-Hauling’ Principles to Reduce Carbon Emissions and the Costs of Earthmoving: a Case Study
Open this publication in new window or tab >>‘Eco-Hauling’ Principles to Reduce Carbon Emissions and the Costs of Earthmoving: a Case Study
2019 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 208, p. 479-489Article in journal (Refereed) Published
Abstract [en]

Mitigating emissions of carbon dioxide and other greenhouse gases is critical if we are to meet the increasing threats posed by global warming. Previous studies have shown conclusively that a substantial part of all carbon dioxide emissions comes from transportation, and that Eco-Driving principles based upon strategic, tactical, and operational decisions have the potential to reduce these emissions. However, these well-established principles have been neglected within the construction industry despite the large number of transport-related activities that attend most construction projects. This paper therefore aims to increase awareness and understanding within the industry of the potential reductions of both carbon dioxide emissions and the costs of earthmoving activities that could be achieved through the use of Eco-Driving principles. A new concept labeled ‘Eco-Hauling’, which extends the Eco-Driving concept to earthmoving, is proposed. A case study of a road project has been conducted and used to demonstrate the new concept. Discrete-event simulation is used to support the data analysis as it enables modeling of the dynamic interactions between equipment and activities of multiple different construction scenarios. The presented findings show that a combination of decisions taken from the proposed Eco-Hauling concept can enable earthmoving contractors to substantially reduce carbon dioxide emissions and costs while maintaining productivity. This study has implications for the general advancement of Eco-Driving theory, as well as for project management as it sets out a viable approach for reducing greenhouse gas emissions in construction projects.

Place, publisher, year, edition, pages
Elsevier, 2019
Keywords
Earthworks, Eco-Driving, Mass-Hauling, Off-Road dump truck, Discrete-Event simulation, Articulated hauler
National Category
Construction Management
Research subject
Construction Management and Building Technology
Identifiers
urn:nbn:se:ltu:diva-71227 (URN)10.1016/j.jclepro.2018.10.113 (DOI)000451362200045 ()2-s2.0-85056193207 (Scopus ID)
Note

Validerad;2018;Nivå 2;2018-11-07 (johcin) 

Available from: 2018-10-16 Created: 2018-10-16 Last updated: 2019-03-26Bibliographically approved
5. A Model to Reduce Earthmoving Impacts
Open this publication in new window or tab >>A Model to Reduce Earthmoving Impacts
2019 (English)Article in journal (Refereed) Submitted
National Category
Construction Management Infrastructure Engineering
Identifiers
urn:nbn:se:ltu:diva-73322 (URN)
Available from: 2019-03-26 Created: 2019-03-26 Last updated: 2019-07-17

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