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Architecture & Urban Research Institute

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³í¹®¸í °³¹æÇü µ¼ ÁöºØ ±¸Á¶¹°ÀÇ ±¸Á¶°ñÁ¶ ¼³°è¿ë dz¾Ð°è¼ö Á¦¾È / A Proposal of Wind Pressure Coefficients for Structural Frame Design of Dome Roof Structures with Opening
ÀúÀÚ¸í õµ¿Áø(Cheon, Dong-Jin)½Äº°ÀúÀÚ ; ±è¿ëö(Kim, Yong-Chul) ; À±¼º¿ø(Yoon, Sung-Won)
¹ßÇà»ç ´ëÇѰÇÃàÇÐȸ
¼ö·Ï»çÇ× ´ëÇѰÇÃàÇÐȸ³í¹®Áý, Vol.40 No.6 (2024-06)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(199) ÃÑÆäÀÌÁö(9)
ISSN 2733-6247
ÁÖÁ¦ºÐ·ù ±¸Á¶
ÁÖÁ¦¾î °³¹æÇü µ¼; dz¾Ð°è¼ö; dz¾ÐºÐÆ÷; Æþµ¿½ÇÇè; ±¸Á¶°ñÁ¶ ; Dome; Opening; Pressure coefficient; Pressure distribution; Wind tunnel test; Structural frame
¿ä¾à1 º» ¿¬±¸¿¡¼­´Â Æò±Õdz¾ÐºÐÆ÷ Ư¼ºÀ» ¾Ë¾Æº¸±â À§ÇØ ´Ù¾çÇÑ Çü»ó°ú °íµµºÐÆ÷Áö¼ö º¯¼ö¸¦ °í·ÁÇÑ °³¹æÇü µ¼ ÁöºØÀ» ´ë»óÀ¸·Î dzµ¿½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. ¸ÕÀú, ´Ù¾çÇÑ Çü»ó°ú °íµµºÐÆ÷Áö¼ö¿¡ µû¸¥ Æò±Õ ¼ø¾Ð·Â ºÐÆ÷ÀÇ Æ¯¼ºÀ» ºÐ¼®ÇÏ¿´´Ù. Çü»ó°ú °íµµºÐÆ÷Áö¼öÀÇ º¯È­¿¡ µû¸¥ ³­·ù °­µµÀÇ º¯È­´Â dz»óÃø ¿µ¿ªÀÇ Æò±Õ ¼ø¾Ð·Â°è¼ö¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ±×·¯³ª ³ª¸ÓÁö Áö¿ª¿¡¼­ Æò±Õ ¼ø¾Ð·Â°è¼ö´Â ³­·ù°­µµ¿¡ °ü°è¾øÀÌ À¯»çÇÏ°Ô À¯ÁöµÇ¾ú´Ù. ½ÇÇè°ª°ú ÇöÀç dzÇÏÁß ±âÁØ(KDS 41 1200)ÀÇ Ç³¾Ð°è¼ö¸¦ ºñ±³ÇÑ °á°ú, ±âÁØÀÌ ÃÖ´ë 10.4¹è±îÁö °ú´ëÆò°¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. µû¶ó¼­ °³¹æÇü µ¼ ÁöºØÀÇ ¾Ð·ÂºÐÆ÷ Ư¼ºÀ» ¹Ý¿µÇÑ ÁÖ°ñÁ¶¿ë dz¾Ð°è¼ö¸¦ Á¦¾ÈÇÏ¿´´Ù.
¿ä¾à2 In this study, wind tunnel tests were conducted on a dome roof with openings, considering various shapes and power-law index parameters,
to investigate the characteristics of the mean wind pressure distribution. First, the characteristics of the mean net pressure under various
shapes and power-law indices were analyzed. The changes in turbulence intensity resulting from variations in shape and power-law index
were observed to influence the mean net pressure coefficients in the windward area. However, the mean net pressure coefficients remained
similar in the remaining areas regardless of turbulence intensity. Comparing the experimental values with the wind pressure coefficients based
on the current wind load standard (KDS 41 12 00), it was found that the standard overestimates by up to 10.4 times. Therefore, pressure
coefficients reflecting the pressure distribution characteristics of open dome roofs were proposed.
¼ÒÀåó ´ëÇѰÇÃàÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.5659/JAIK.2024.40.6.199
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