Publication: Model for predicting cost of rural road projects in Thailand
Issued Date
2019-10-29
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ISSN
1757899X
17578981
17578981
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2-s2.0-85075030815
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Mahidol University
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SCOPUS
Bibliographic Citation
IOP Conference Series: Materials Science and Engineering. Vol.652, No.1 (2019)
Suggested Citation
Wai Phyo Lin, Wasaporn Techapeeraparnich Model for predicting cost of rural road projects in Thailand. IOP Conference Series: Materials Science and Engineering. Vol.652, No.1 (2019). doi:10.1088/1757-899X/652/1/012004 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/50824
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Title
Model for predicting cost of rural road projects in Thailand
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Abstract
© Published under licence by IOP Publishing Ltd. Nowadays, construction cost plays an essential role in various projects, which are buildings, roads, railways, and bridges projects. Conceptual cost estimation in feasibility study is require high accuracy and less validation error especially in construction projects at early stages. The more improvement of estimation techniques, it would lead to the lesser problems of cost overrun, and extra expenses. This paper developed a cost estimation model for new constructed rural road projects. Considering the estimation methods for predicting the cost model, parametric method based on regression learner and NN method are applied. Previously, many researchers studied the cost applicable model by using various computer applications, so that this paper differed to compare these methods based on MATLAB. Accordingly, 44 road projects were compiled from DRR database, after that identifying the effective cost parameters referred on collected data. Subsequently, the data implementation process was focusing with regression learner based on automated regression training, and lastly, with NN toolbox concentrated on nftool for simulating the cost models. Another 7 road projects are tested with holdout validation process for these models. Due to this validation, we compare the predicted cost models within these methods. Finally, the developed models are reliable for not only the conceptual phase of future rural road projects but also the related construction fields can be recovered about the cost model creation.