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Damage Index for Infill Walls in Reinforced Concrete Frames

  • 2025
  • OriginalPaper
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Abstract

This chapter presents the development of a damage index (DI) for masonry infilled reinforced concrete (RC) frame structures, crucial for assessing seismic damage. The study utilizes the Park-Ang index, calibrated with experimental data, to quantify damage ranging from minor cracking to severe collapse. A multi-strut model simulates the response of RC frames with infill walls, providing accurate damage assessment under seismic forces. The research also offers guidelines for interpreting DI values, categorizing damage into performance levels such as Collapse Prevention, Life Safety, and Immediate Occupancy. The application of this method is demonstrated through a case study of a 3-story infilled RC building, highlighting the practical use of the DI in seismic performance assessments.

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Title
Damage Index for Infill Walls in Reinforced Concrete Frames
Authors
Vanatchaporn Ngamprathuengsopa
Jarun Srechai
Wongsa Wararuksajja
Sutat Leelataviwat
Copyright Year
2025
Publisher
Springer Nature Singapore
DOI
https://doi.org/10.1007/978-981-95-0090-1_52
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