<p>This case study evaluates and contrasts the construction methods of reshoring and partial striking in multi-storey buildings with reinforced concrete floors. The study specifically examines their execution time, cost-effectiveness, the dynamics of load transfers between slab floors and supporting shores, and analyzes the cost implications of formwork reusability. Findings highlight that partial striking allows for faster formwork recovery compared to reshoring. Notably, the research reveals that partial striking causes early-age loading on slabs with higher initial-stage loads, while reshoring avoids this, leading to substantially higher shore loads than partial striking. In prioritizing cost-effectiveness and safety, the study demonstrates that reshoring is effective for M20 and M25 concrete grades. However, for M30-M50 grades, partial striking consistently outperforms reshoring in cost reduction and shorter cycle times. This demonstrates the adaptability and efficiency of partial striking in higher-grade concrete scenarios. The case study concludes that the chosen construction method significantly influences formwork recovery, project duration, and overall costs, providing valuable insights for optimizing multi-storey construction processes.</p>

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Construction Method Economics: Performance Analysis of Partial Striking and Reshoring in High-Rise Buildings

  • Arti Sahu,
  • S. Shanmugapriya

摘要

This case study evaluates and contrasts the construction methods of reshoring and partial striking in multi-storey buildings with reinforced concrete floors. The study specifically examines their execution time, cost-effectiveness, the dynamics of load transfers between slab floors and supporting shores, and analyzes the cost implications of formwork reusability. Findings highlight that partial striking allows for faster formwork recovery compared to reshoring. Notably, the research reveals that partial striking causes early-age loading on slabs with higher initial-stage loads, while reshoring avoids this, leading to substantially higher shore loads than partial striking. In prioritizing cost-effectiveness and safety, the study demonstrates that reshoring is effective for M20 and M25 concrete grades. However, for M30-M50 grades, partial striking consistently outperforms reshoring in cost reduction and shorter cycle times. This demonstrates the adaptability and efficiency of partial striking in higher-grade concrete scenarios. The case study concludes that the chosen construction method significantly influences formwork recovery, project duration, and overall costs, providing valuable insights for optimizing multi-storey construction processes.