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Research on Cost Control of Prefabricated Construction Projects

Panhan Wang
Vol.1, No.6, pp.1-12, 2026 DOI: 10.62051/ajmse.v1n6.01 September 4, 2026
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Abstract: This study develops a data-driven cost-control framework for a prefabricated concrete project in Shenzhen by integrating BIM, value engineering, and earned value management. Expert ratings identified design changes, construction methods, interdisciplinary coordination, and formwork turnover as the principal cost factors. BIM reduced component types from 69 to 44 and supported the closure of 136 clashes before fabrication, avoiding an estimated CNY 45,000 in change-related expenditure. Under consistent scenario assumptions, production, transportation, and direct installation labor costs decreased by approximately 12%, 15%, and 33%, respectively. Value engineering identified aluminum formwork as the preferred alternative, with a value coefficient of 1.3429. Earned value reviews showed that cumulative cost and schedule variances became positive in week 12, while CPI and SPI reached 1.0438 and 1.0277 in week 16. The case demonstrates a traceable cost-control loop, although the absence of a control project limits causal attribution.
Keywords: Prefabricated Building, Project Cost Control, Building Information Modeling, Value Engineering, Earned Value Management, Case Study
APA Citation: Panhan Wang (2026). Research on Cost Control of Prefabricated Construction Projects. Academic Journal of Management Science and Engineering, 1(6), 1-12. https://doi.org/10.62051/ajmse.v1n6.01

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