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| Titel: |
Time-cost model for building projects in Nigeria |
| Auteur: |
Ogunsemi, D. R. Jagboro, G. O. |
| Verschenen in: |
Construction management & economics |
| Paginering: | Jaargang 24 (2006) nr. 3 pagina's 253-258 |
| Jaar: |
2006-03-01 |
| Inhoud: |
The concept of project duration is important in assessing the success or viability of a construction project. A time-cost relationship for construction projects in Nigeria has been developed based on Bromilow's time-cost model. Cost data on 87 completed building projects executed within the period 1991-2000 were obtained. The data were subjected to regression analyses using double log and later the piecewise model with breakpoint. For the Nigerian situation, the Bromilow's time-cost model was found to be T = 63C0.262 with poor predictive abilities (R = 0.453, R2 = 0.205). An improved model using piecewise model with good predictive abilities (R = 0.875, R2 = 0.765) was found to be T = 118.563-0.401C (C ≤ 408) or 603.427 + 0.610C (C>408). The model is shown to be useful in predicting construction project durations. |
| Uitgever: |
Routledge |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 7 gevonden artikelen
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