Research Article
An Innovative Time-Cost-Quality Tradeoff Modeling of Building Construction Project Based on Resource Allocation
Table 1
Construction activities with resource and work options.
| | Activity group | Activity
ID | Quantity () | Productivity (LPRDmin–LPRDmax) | Overtime factor () | Labor | Material | Equipment | Administration | | Cost rate () ($/d) | Labor cost () | Labor quality (LQmin–LQmax) | Cost (MCmin–MCmax) ($) | Quality (MQmin–MQmax) | Cost (ECmin–ECmax) ($) | Quality (EQmin–EQmax) | Productivity factor (DEKmin–DEKmax) | Cost rate (ACRmin–ACRmax) ($/d) | Quality (AQmin–AQmax) | Cost () ($) |
| | Earth work | 1 | 240 m3 | 100–150 m3/d | 1–1.5 | 700 | — | 0.8–1.0 | 3200–4500 | 0.7–1.0 | 600–650 | 0.8–1.0 | 0.8–1.2 | 90–150 | 0.7–1.0 | — |
| | Foundation | 2 | 110 m2 | 10–12 m2/d | 1–1.5 | 300 | — | 0.8–1.0 | 800–1100 | 0.7–1.0 | 110–120 | 0.8–1.0 | 0.98–1.02 | 90–150 | 0.7–1.0 | — | | 3 | 1.6 t | 0.6–0.8 t/d | 1–1.5 | 600 | — | 0.7–1.0 | 5600–7200 | 0.7–1.0 | 128–144 | 0.8–1.0 | 0.9–1.1 | 90–150 | 0.7–1.0 | — | | 4 | 52 m3 | 15–20 m3/d | 1–1.5 | 750 | — | 0.9–1.0 | 18200–23400 | 0.7–1.0 | 150–180 | 0.9–1.0 | 0.95–1.05 | 90–150 | 0.7–1.0 | — | | 5 | 75 m3 | 8–12 m3/d | 1–1.5 | 1700 | — | 0.8–1.0 | 16000–20000 | 0.7–1.0 | 1500–1800 | 0.8–1.0 | 0.98–1.02 | 90–150 | 0.7–1.0 | — | | 6 | 60 m3 | 20–25 m3/d | 1–1.5 | 430 | — | 0.8–1.0 | 6400–8600 | 0.7–1.0 | 120–150 | 0.8–1.0 | 0.9–1.1 | 90–150 | 0.7–1.0 | — |
| | 1st story | 7 | 120 m2 | 8–11 m2/d | 1–1.5 | 450 | — | 0.7–1.0 | 1200–1700 | 0.7–1.0 | 210–230 | 0.9–1.0 | 0.98–1.02 | 90–150 | 0.7–1.0 | — | | 8 | 3.2 t | 0.8–1.2 t/d | 1–1.5 | 800 | — | 0.7–1.0 | 11200–14400 | 0.7–1.0 | 256–288 | 0.8–1.0 | 0.9–1.1 | 90–150 | 0.7–1.0 | — | | 9 | 48 m3 | 7–10 m3/d | 1–1.5 | 1000 | — | 0.7–1.0 | 16800–21600 | 0.7–1.0 | 200–240 | 0.9–1.0 | 0.95–1.05 | 90–150 | 0.7–1.0 | — | | 10 | 62 m3 | 4–6 m3/d | 1–1.5 | 750 | — | 0.8–1.0 | 13200–16600 | 0.7–1.0 | 1240–1488 | 0.8–1.0 | 0.98–1.02 | 90–150 | 0.7–1.0 | — |
| | 2nd story | 11 | 105 m2 | 8–11 m2/d | 1–1.5 | 460 | — | 0.7–1.0 | 1100–1600 | 0.7–1.0 | 180–200 | 0.8–1.0 | 0.98–1.02 | 90–150 | 0.7–1.0 | — | | 12 | 2.8 t | 0.8–1.2 m2/d | 1–1.5 | 800 | — | 0.7–1.0 | 9800–12600 | 0.7–1.0 | 224–252 | 0.8–1.0 | 0.9–1.1 | 90–150 | 0.7–1.0 | — | | 13 | 43 m3 | 7–10 m3/d | 1–1.5 | 1000 | — | 0.7–1.0 | 15050–19350 | 0.7–1.0 | 180–210 | 0.9–1.0 | 0.95–1.05 | 90–150 | 0.7–1.0 | — | | 14 | 55 m3 | 4–6 m3/d | 1–1.5 | 750 | — | 0.8–1.0 | 11700–14700 | 0.7–1.0 | 1100–1320 | 0.8–1.0 | 0.95–1.05 | 90–150 | 0.7–1.0 | — |
| | 3rd story | 15 | 95 m2 | 7–10 m2/d | 1–1.5 | 470 | — | 0.7–1.0 | 1100–1600 | 0.7–1.0 | 180–210 | 0.8–1.0 | 0.95–1.05 | 90–150 | 0.7–1.0 | — | | 16 | 2.2 t | 0.8–1.2 t/d | 1–1.5 | 800 | — | 0.7–1.0 | 7700–9900 | 0.7–1.0 | 176–198 | 0.8–1.0 | 0.9–1.1 | 90–150 | 0.7–1.0 | — | | 17 | 38 m3 | 7–10 m3/d | 1–1.5 | 1000 | — | 0.7–1.0 | 13300–17100 | 0.7–1.0 | 175–190 | 0.9–1.0 | 0.95–1.05 | 90–150 | 0.7–1.0 | — | | 18 | 50 m3 | 4–6 m3/d | 1–1.5 | 750 | — | 0.8–1.0 | 10600–13300 | 0.7–1.0 | 1000–1200 | 0.8–1.0 | 0.9–1.1 | 90–150 | 0.7–1.0 | — |
| | Roof | 19 | 135 m2 | 18–24 m2/d | 1–1.5 | 300 | — | 0.7–1.0 | 3200–3800 | 0.7–1.0 | 40–50 | 0.8–1.0 | 0.98–1.02 | 90–150 | 0.7–1.0 | — | | 20 | 160 m2 | 40–50 m2/d | 1–1.5 | 750 | — | 0.7–1.0 | 7000–8500 | 0.7–1.0 | 100–120 | 0.8–1.0 | 0.98–1.02 | 90–150 | 0.7–1.0 | — |
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