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    Modelling of waste material costs on road construction projects.

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    Authors
    Waty, Mega
    Alisjahbana, Sofia W.
    Gondokusumo, Onnyxiforus
    Sulistio, Hendrik
    Hasyim, Cholil
    Setiawan, M. Ikhsan
    Harmanto, Dani cc
    Ahmar, Ansari Saleh
    Affiliation
    Tarumanagara University
    Bakrie University
    Darul Ulum University
    Narotama University
    University of Derby
    Universitas Negeri Makassar
    Issue Date
    2018
    
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    Abstract
    Material waste is a term from the amount of waste material percentage and is one of the serious problems in the implementation of road construction project. The research objective is to calculate the average percentage of waste material in road construction projects and obtain waste material influencing profit and make a regression model of % material waste to % profit contractors. The data obtained are 158 projects in East and North Kalimantan divided into 51 road building projects and 107 road improvement projects. The percentage of waste material on road building project is B aggregate as the largest (26%) and ready mix concrete (5.3%) as the smallest. The percentage of waste material on road improvement project is B aggregate as the largest (24.2%) and ready mix concrete (6.14%) as the smallest. The influencing waste material on the road construction project is B aggregate, lean concrete and ready mix concrete with regression equation to determine the estimated % profit contractor as a function of % material waste is Y = 7.363 -0.032 X3 - 0.078 X4 - 0.066 X6. The influenced waste material on road improvement projects are cement, B aggregate, and Land Fill with the regression equation to determine the estimated % profit of contractor as a function of % material waste is Y = 8,702- 0,037 X4- 0,054 X5- 0,044 X7.
    Citation
    Waty, M. et al (2018) 'Modelling of waste material costs on road construction projects.', International Journal of Engineering & Technology, 7 (2), pp. 474-477.
    Publisher
    Science Publishing Corporation
    Journal
    International Journal of Engineering & Technology
    URI
    http://hdl.handle.net/10545/622706
    DOI
    10.14419/ijet.v7i2.11250
    Additional Links
    https://www.sciencepubco.com/index.php/ijet/article/view/11250
    Type
    Article
    Language
    en
    ISSN
    2227524X
    ae974a485f413a2113503eed53cd6c53
    10.14419/ijet.v7i2.11250
    Scopus Count
    Collections
    Department of Mechanical Engineering & the Built Environment

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