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Architecture & Urban Research Institute

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³í¹®¸í ÇÊ·ÎƼ ±¸Á¶¸¦ °®´Â °ÇÃ๰ÀÇ ±¸Á¶Àû º¯¼ö ±â¹Ý ÁöÁøÃë¾àµµ ÃßÁ¤ ¹æ¹ý·Ð / Development of Seismic Fragility Framework for Piloti-Type Buildings Based on Structural Parameters
ÀúÀÚ¸í ÇÑ»óÁø(Hahn, SangJin) ; ÃÖÀμ·(Choi, Insub) ; ÀåÇÐÁ¾(Chang, HakJong) ; ±èÁØÈñ(Kim, JunHee)
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¼ö·Ï»çÇ× Çѱ¹ÁöÁø°øÇÐȸ ³í¹®Áý, Vol.29 No.1(Åë±Ç 163È£) (2025-01)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(91) ÃÑÆäÀÌÁö(7)
ISSN 1226-525X
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ÁÖÁ¦¾î ; Piloti-type building; Structural parameter; Seismic fragility; Natural period; Capacity curve
¿ä¾à2 Piloti-type buildings are widely constructed in urban areas of South Korea. Due to stiffness irregularities, piloti-type buildings are vulnerable to lateral loads such as earthquakes. Although seismic retrofitting is necessary for piloti-type buildings, many of these structures are privately owned, and the extensive number of buildings creates significant challenges in terms of cost and time for regional seismic performance evaluation. This study proposes a methodology for determining the seismic performance of multiple piloti-type buildings within a region by utilizing structural parameters. Information on piloti-type buildings is classified into public building data and exterior building data, which are integrated to define structural parameters for estimating the first natural period of the buildings. Linear regression analysis was performed to develop a regression equation correlating structural parameters with the natural period. Additionally, the natural period and structural parameters are used to perform another linear regression analysis to estimate the yield and ultimate points of the capacity curve. The capacity curves derived from the regression equations facilitate seismic performance evaluation based on structural parameters.
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DOI https://doi.org/10.5000/EESK.2025.29.1.091