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A system dynamic model for simulating the potential of prefabrication on construction waste reduction
Ruijia Yuan1, Feng Guo1, Yingmiao Qian2
1School of Civil Engineering, Central South University, Changsha, 410083, Hunan, China.
Summary
Prefabrication significantly reduces construction waste, especially concrete waste, by minimizing material loss and rework. Investing in designer training and supportive policies maximizes this potential during the design phase.
Area of Science:
- Construction Management
- Environmental Engineering
- Sustainable Building
Background:
- Construction waste poses a significant environmental challenge.
- Prefabrication offers a controlled environment to minimize waste.
- Understanding prefabrication's impact on waste reduction is crucial for sustainable construction.
Purpose of the Study:
- To develop a simulation model for quantitatively evaluating prefabrication's potential in construction waste reduction.
- To analyze the interaction between prefabrication application and waste reduction factors during the design stage.
Main Methods:
- Application of the theory of planned behavior to define system boundaries.
- Development of a system dynamics simulation model.
- Case study analysis of a project in Anhui, China.
Main Results:
- Prefabrication reduces construction waste by minimizing material waste and rework from design changes.
- The prefabrication method has the most significant impact on concrete waste reduction.
- Investing in designer training and strengthening policies are key strategies.
Conclusions:
- The developed simulation model provides a valuable tool for designers and policymakers.
- Strategic implementation of prefabrication can lead to substantial construction waste reduction.
- Policy and training interventions are essential for maximizing prefabrication's waste reduction benefits.
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