Building Information Modeling–Based Analysis to Minimize Waste Rate of Structural Reinforcement

  • Porwal A
  • Hewage K
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Abstract

Building information modeling (BIM) is an emerging tool in architecture/engineering/construction (A/E/C) industry that is used to design, document, and enhance communication among all the project stakeholders. Trim loss of rebar can be minimized with the use of discrete bars. To achieve this goal, a model to analyze reinforced concrete structure with one-dimensional (1D) cutting waste-optimization technique, integrated with BIM, is proposed. Building information modeling is selected as the hub in communicating project information among diverse design teams. This process permits project teams to utilize BIM models to simulate architectural and structural design require- ments, and compare results speedily to make necessary changes in the designs to minimize rebar waste. The BIM rebar optimization analysis approach also supports cost-effective decision making during the design process. The proposed approach was validated with a two-story reinforced concrete structure, and the results indicated a high potential for budgetary savings. The proposed approach is also applicable for complex reinforced concrete construction projects, with repeated structural elements, and cost saving increases with the increase in the diameter of rebar.

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Authors

  • Atul Porwal

  • Kasun N. Hewage

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