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Alvanchi, A, Lee, S and AbouRizk, S (2012) Dynamics of Working Hours in Construction. Journal of Construction Engineering and Management, 138(01), 66–77.
Bakhoum, E S and Brown, D C (2012) Developed Sustainable Scoring System for Structural Materials Evaluation. Journal of Construction Engineering and Management, 138(01), 110–9.
Bemelmans, J, Voordijk, H, Vos, B and Buter, J (2012) Assessing Buyer-Supplier Relationship Management: Multiple Case-Study in the Dutch Construction Industry. Journal of Construction Engineering and Management, 138(01), 163–76.
Bo, X and Chan, A P C (2012) Investigation of Barriers to Entry into the Design-Build Market in the People’s Republic of China. Journal of Construction Engineering and Management, 138(01), 120–7.
El-Diraby, T E (2012) Epistemology of Construction Informatics. Journal of Construction Engineering and Management, 138(01), 53–65.
Han, S, Lee, S and Peña-Mora, F (2012) Identification and Quantification of Non-Value-Adding Effort from Errors and Changes in Design and Construction Projects. Journal of Construction Engineering and Management, 138(01), 98–109.
Jarkas, A M (2012) Buildability Factors Influencing Concreting Labor Productivity. Journal of Construction Engineering and Management, 138(01), 89–97.
Ji, S, Park, M and Lee, H (2012) Case Adaptation Method of Case-Based Reasoning for Construction Cost Estimation in Korea. Journal of Construction Engineering and Management, 138(01), 43–52.
Kim, B and Hong, T (2012) Revised Case-Based Reasoning Model Development Based on Multiple Regression Analysis for Railroad Bridge Construction. Journal of Construction Engineering and Management, 138(01), 154–62.
- Type: Journal Article
- Keywords: Railroad bridges; Construction costs; Predictions; Regression analysis; Bridges; Railroad; Cost estimates; Prediction model; Construction cost;
- ISBN/ISSN: 0733-9364
- URL: https://doi.org/10.1061/(ASCE)CO.1943-7862.0000393
- Abstract:
Many large construction projects are being carried out simultaneously. The accuracy of the budget allocated in the planning phase of such projects is considered a key element in efficient budget use, but lack of information during the planning phase results in the inaccurate estimation of the construction cost. Thus, it is necessary to devise a method that improves the accuracy of construction cost estimation in the planning phase. Although recently there has been an increase in the use of case-based reasoning (CBR) for construction cost estimation, the use of CBR tends to reduce the accuracy of the estimated construction cost, unless there is sufficient similarity between the cases stored in the database and the retrieved cases. Therefore, a revised CBR model based on the regression analysis model was developed in this study, and a calculation model capable of estimating the construction cost in the planning phase was developed with a focus on railroad-bridge construction projects. To verify the revised CBR model, five case studies were conducted. The results showed that the revised CBR model reduced the construction cost error rate of the proposed CBR model by 16.2%. In particular, it is expected that the revised CBR model will be useful when there is a lack of similarity between the cases stored in the database and the retrieved cases.
Leung, M and Chan, I Y S (2012) Exploring Stressors of Hong Kong Expatriate Construction Professionals in Mainland China: Focus Group Study. Journal of Construction Engineering and Management, 138(01), 78–88.
Lhee, S C, Issa, R R A and Flood, I (2012) Prediction of Financial Contingency for Asphalt Resurfacing Projects using Artificial Neural Networks. Journal of Construction Engineering and Management, 138(01), 22–30.
Shrestha, P P, O’Connor, J T and Gibson, G E (2012) Performance Comparison of Large Design-Build and Design-Bid-Build Highway Projects. Journal of Construction Engineering and Management, 138(01), 1–13.
Song, X, Peña-Mora, F, Menassa, C C and Arboleda, C A (2012) Insurance as a Risk Management Tool for ADR Implementation in Construction Disputes. Journal of Construction Engineering and Management, 138(01), 14–21.
Taghaddos, H, AbouRizk, S, Mohamed, Y and Hermann, U (2012) Simulation-Based Auction Protocol for Resource Scheduling Problems. Journal of Construction Engineering and Management, 138(01), 31–42.
Yang, H, Chan, A P C, Yeung, J F Y and Li, Q (2012) Concentration Effect on Construction Firms: Tests of Resource Partitioning Theory in Jiangsu Province (China) from 1989 to 2007. Journal of Construction Engineering and Management, 138(01), 144–53.
Yu, W and Wang, K (2012) Best Value or Lowest Bid? A Quantitative Perspective. Journal of Construction Engineering and Management, 138(01), 128–34.
Zerjav, V, Hartmann, T and Javernick-Will, A (2012) Internal Governance of Design and Engineering: The Case of the Multinational Firm. Journal of Construction Engineering and Management, 138(01), 135–43.