An Integrated Environment–Cost–Time Optimisation Method for Construction Contractors Considering Global Warming

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Feng, Kailun,1991-Luleå tekniska universitet,Industriellt och hållbart byggande,Department of Construction Management, Harbin Institute of Technology, Harbin, China (author)

An Integrated Environment–Cost–Time Optimisation Method for Construction Contractors Considering Global Warming

Article/chapterEnglish2018

Publisher, publication year, extent ...

2018-11-14
MDPI,2018
printrdacarrier

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LIBRIS-ID:oai:DiVA.org:ltu-71814
https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-71814URI
https://doi.org/10.3390/su10114207DOI

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Language:English
Summary in:English

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SwePubSwePub

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

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Validerad;2018;Nivå 2;2018-11-29 (svasva)
Construction contractors play a vital role in reducing the environmental impacts during the construction phase. To mitigate these impacts, contractors need to develop environmentally friendly plans that have optimal equipment, materials and labour configurations. However, construction plans with optimal environment may negatively affect the project cost and duration, resulting in dilemma for contractors on adopting low impacts plans. Moreover, the enumeration method that is usually used needs to assess and compare the performances of a great deal of scenarios, which seems to be time consuming for complicated projects with numerous scenarios. This study therefore developed an integrated method to efficiently provide contractors with plans having optimal environment-cost-time performances. Discrete-event simulation (DES) and particle swarm optimisation algorithms (PSO) are integrated through an iterative loop, which remarkably reduces the efforts on optimal scenarios searching. In the integrated method, the simulation module can model the construction equipment and materials consumption; the assessment module can evaluate multi-objective performances; and the optimisation module fast converges on optimal solutions. A prototype is developed and implemented in a hotel building construction. Results show that the proposed method greatly reduced the times of simulation compared with enumeration method. It provides the contractor with a trade-off solution that can average reduce 26.9% of environmental impact, 19.7% of construction cost, and 10.2% of project duration. The method provides contractors with an efficient and practical decision support tool for environmentally friendly planning.

Subject headings and genre

TEKNIK OCH TEKNOLOGIER Samhällsbyggnadsteknik Infrastrukturteknik hsv//swe
ENGINEERING AND TECHNOLOGY Civil Engineering Infrastructure Engineering hsv//eng
TEKNIK OCH TEKNOLOGIER Samhällsbyggnadsteknik Byggproduktion hsv//swe
ENGINEERING AND TECHNOLOGY Civil Engineering Construction Management hsv//eng
construction contractor
environment-cost-time optimisation
particle swarm optimisation
discrete-event simulation
construction planning
Byggproduktion och teknik
Construction Management and Building Technology
Structural Engineering
Konstruktionsteknik

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Lu, WeizhuoLuleå tekniska universitet,Industriellt och hållbart byggande(Swepub:ltu)welu (author)
Chen, ShiweiLuleå tekniska universitet,Byggkonstruktion och brand,Department of Construction Management, Harbin Institute of Technology, Harbin, China(Swepub:ltu)shiche (author)
Wang, YaowuDepartment of Construction Management, Harbin Institute of Technology, Harbin, China (author)
Luleå tekniska universitetIndustriellt och hållbart byggande (creator_code:org_t)

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In:Sustainability: MDPI10:112071-1050

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