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Retrofit of Building Façade Using Precast Sandwich Panel: An Integrated Thermal and Environmental Assessment on BIM-Based LCA

Buildings, ISSN: 2075-5309, Vol: 12, Issue: 12
2022
  • 11
    Citations
  • 0
    Usage
  • 85
    Captures
  • 2
    Mentions
  • 26
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    11
    • Citation Indexes
      11
  • Captures
    85
  • Mentions
    2
    • Blog Mentions
      1
      • Blog
        1
    • News Mentions
      1
      • News
        1
  • Social Media
    26
    • Shares, Likes & Comments
      26
      • Facebook
        26

Most Recent News

New Environmental Assessment Findings from Royal Melbourne Institute of Technology - RMIT University Published (Retrofit of Building Facade Using Precast Sandwich Panel: An Integrated Thermal and Environmental Assessment on BIM-Based LCA)

2023 JAN 06 (NewsRx) -- By a News Reporter-Staff News Editor at Ecology Daily News -- Research findings on environmental assessment are discussed in a

Article Description

The study conducts a comprehensive life cycle assessment (LCA) of precast sandwich panels by integrating operational and embodied phases detailing thermal efficiency and environmental impacts. The analytical regression model is developed for climatic diversity and design variables using the energy rating tool FirstRate5 to compare with a conventional brick veneer construction. LCA is performed on the building information modeling (BIM) platform to connect operational energy and express the relative embodied impacts of insulation constituents, compressive strength, reinforcement, and mix design. Monte Carlo simulation shows significant advantages of concrete sandwich panels in reducing operational H/C loads over building service life. LCA reveals a 100 mm thick external precast concrete wall with 50% fly ash reduces CO emission and energy demand by 54.7% and 75.9% consecutively against the benchmark. Moreover, it comprises 84.31% of the total building mass, accountable for only 53.27% of total CO emission and 27.25% of energy demand, which is comparatively lower than other materials. In the case of selecting lining insulation, a broader benefit is identified for extruded polystyrene (XPS) and expanded polystyrene (EPS) boards due to their relative weight, thickness, and environmental impacts. Representative equations of energy efficiency and impact assessment will assist in adopting sandwich panels for new construction and refurbishment with relative dimensions.

Bibliographic Details

Quddus Tushar; Guomin Zhang; Muhammed A. Bhuiyan; Satheeskumar Navaratnam; Filippo Giustozzi; Lei Hou

MDPI AG

Engineering

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