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³í¹®¸í ±¹³» ÇÁ¸®Ä³½ºÆ® ÄÜÅ©¸®Æ® °ÇÃ౸Á¶¹°ÀÇ ¿¬¼âºØ±«ÀúÇ× ¼º´ÉºÐ¼® / Progressive Collapse Resistance Analysis of Precast Concrete Building Structures in Korea
ÀúÀÚ¸í ±è¼ºÇö(Sung-Hyun Kim) ; °­ÁØÈñ(Joon-Hee Kang) ; ȲÇöÁ¾(Hyeon-Jong Hwang) ; ÃÖÇÏÁø(Ha-Jin Choi) ; °­¼ö¹Î(Su-Min Kang)
¹ßÇà»ç Çѱ¹Àü»ê±¸Á¶°øÇÐȸ
¼ö·Ï»çÇ× Çѱ¹Àü»ê±¸Á¶°øÇÐȸ³í¹®Áý, Vol.34 No.6 (2021-12)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(417) ÃÑÆäÀÌÁö(10)
ISSN 1229-3059
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ÁÖÁ¦¾î ±¹³»PC½Ã½ºÅÛ; ¿¬¼âºØ±«¹æÁö¼º´É; ºñ¼±Çü À¯ÇÑ¿ä¼ÒÇØ¼®; ±¸Á¶¼³°è; º¸-±âµÕ Á¢ÇÕÇü½Ä ; PC system; progressive collapse resistance; nonlinear finite element analysis; structural design; beam-column joint
¿ä¾à1 ÃÖ±Ù ÇöÀåÀÛ¾÷À» ÃÖ¼ÒÈ­ÇÒ ¼ö ÀÖ´Â PC(Precast Concrete) °ÇÃà°ø¹ýÀÇ Àû¿ëÀÌ ±Þ¼ÓÇÏ°Ô È°¼ºÈ­µÇ°í ÀÖ´Ù. ±×·¯³ª PC °ø¹ýÀº ½Ã°ø Áß,ƯÈ÷ ºÎÀç°£ ÀÏüȭ ÀÌÀü¿¡ ±¸Á¶Àû ¼º´ÉÀ» ¹ßÈÖÇÏ±â ¾î·Æ°í ¿Ï°ø ÈÄ¿¡µµ Á¢ÇÕºÎÀÇ ÀÏü¼ºÀ» È®º¸Çϱ⠾î·Á¿ö ¿¬¼âºØ±«¿¡ Ãë¾àÇÏ´Ù.
PC °ÇÃ๰¿¡¼­´Â ´Ù¾çÇÑ PC ºÎÀç°£ Á¢ÇÕ »ó¼¼°¡ Á¸ÀçÇϸç, ±¹³»¿Ü ±¸Á¶/½Ã°ø »ó¼¼°¡ Çö°ÝÈ÷ ´Ù¸£´Ù. ±×·¯³ª ±¹³» PC ½Ã½ºÅÛÀÇ ½Ã½ºÅÛ°ú »ó¼¼ Ư¼ºÀ» ¹Ý¿µÇÑ ¿¬¼âºØ±«¿¡ ´ëÇÑ ¿¬±¸´Â ¸Å¿ì ¹ÌºñÇÏ´Ù. µû¶ó¼­, º» ¿¬±¸¿¡¼­´Â ±¹³»¿¡¼­ ÁÖ·Î »ç¿ëÇÏ´Â PC ±¸Á¶½Ã½ºÅÛ°ú Á¢ÇպΠ±¸Á¶/½Ã°ø »ó¼¼¸¦ Á¶»ç ºÐ¼®ÇÏ¿´´Ù. À̸¦ ±â¹ÝÀ¸·Î ±¹³»¿¡¼­ »ç¿ëµÇ´Â ÀüÇüÀûÀÎ PC ½Ã½ºÅÛÀÇ À¯ÇüÀ» ¼³Á¤ÇÏ°í »ó±â PC ½Ã½ºÅÛÀÇ ¿¬¼âºØ±«¹æÁö¼º´ÉÀ» Æò°¡Çϱâ À§ÇÏ¿© ºñ¼±Çü À¯ÇÑ¿ä¼ÒÇØ¼®À» ¼öÇàÇÏ¿´´Ù. ÇØ¼®°á°ú¸¦ ¹ÙÅÁÀ¸·Î ±¹³»¿¡¼­ ÁÖ·Î »ç¿ëµÈ PC ±¸Á¶½Ã½ºÅÛÀÇ ¿¬¼âºØ±«¹æÁö ¼º´ÉÀ» Æò°¡ÇÏ°í ±¸Á¶¼³°è½Ã °í·Á»çÇ×À» Á¦¾ÈÇÏ¿´´Ù.
¿ä¾à2 Recently, use of the precast concrete (PC) system, which can increase economy by minimizing field work, has rapidly increased. However,the PC system cannot exhibit structural performance under construction, specifically before integration between members. Furthermore, sinceit is difficult to secure the structural integrity of beam-column joints even after construction, the PC system is vulnerable to progressivecollapse. In the PC system, various types of details for PC beam-column joints have been proposed, while the structural/construction details ofPC system generally used in Korea differ from those of overseas PC systems. However, studies on the progressive collapse of the domestic PCsystem are limited. Thus, in this study, we investigated the structural/construction details of PC beam-column joints mainly used in Korea.
Based on the investigation, for the prototype PC system with typical joint details, a nonlinear finite element analysis was carried out to evaluateits structural performance under progressive collapse. Further, a parametric study was performed, and the effect of the design parameters wasinvestigated, to recommend a method to improve the progressive collapse resistance of the PC system.
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DOI https://doi.org/10.7734/COSEIK.2021.34.6.417
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