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³í¹®¸í Push-down ÇØ¼®À» ÀÌ¿ëÇÑ Ã¶°ñ¸ð¸àÆ®ÀúÇ×°ñÁ¶ÀÇ ¿¬¼âºØ±« ÀúÇ×¼º´ÉÁ¶»ç / Investigation of Progressive Collapse-resisting Capability of Steel Moment Frames using Push-down Analysis
ÀúÀÚ¸í ±èÅ¿Ͻĺ°ÀúÀÚ(Kim Tae-Wan) ; ¹ÚÁØÈñ½Äº°ÀúÀÚ(Park Jun-Hee) ; ±èÁø±¸½Äº°ÀúÀÚ(Kim Jin-Koo)
¹ßÇà»ç ´ëÇѰÇÃàÇÐȸ
¼ö·Ï»çÇ× ´ëÇѰÇÃàÇÐȸ³í¹®Áý ±¸Á¶°è, v.23 n.6 (2007-06)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(3) ÃÑÆäÀÌÁö(8)
ISSN 12269107
ÁÖÁ¦ºÐ·ù ±¸Á¶
ÁÖÁ¦¾î ¿¬¼âºØ±« ; ö°ñ ¸ð¸àÆ® ÀúÇ×°ñÁ¶ ; ºñ¼±ÇüÁ¤ÀûÇØ¼® ; Push-down ÇØ¼® ; Progressive Collapse ; Steel Moment Resisting Frames ; Nonlinear Static Analysis ; Push-down Analysis
¿ä¾à1 º» ¿¬±¸¿¡¼­´Â ÁöÁøÇؼ®¿¡¼­ ÁÖ·Î »ç¿ëµÇ¾îÁö°í ÀÖ´Â push-over ÇØ¼® ¹æ¹ýÀ» Â÷¿ëÇÏ¿© °Ç¹°ÀÇ ¿¬¼âºØ±« ÀúÇ×¼º´ÉÀ» Á¶»çÇÏ°í ±× Àû¿ë¼ºÀ» È®ÀÎÇϰíÀÚ ÇÏ¿´´Ù. ÀÌ ¹æ¹ýÀº ÇØ¼® ¹æ¹ýÀ» ±âÁØÀ¸·Î ÇÑ´Ù¸é À§¿¡¼­ Á¦½ÃµÈ ¹æ¹ý Áß ºñ¼±ÇüÁ¤ÀûÇØ¼®°ú ±âº»ÀûÀ¸·Î À¯»çÇϳª ½ÇÁ¦ ÇØ¼®À» ¼öÇàÇÏ´Â °üÁ¡¿¡¼­´Â ´Ù¸£¸ç, ÀÌ´Â ´ÙÀ½ Àå¿¡¼­ ÀÚ¼¼È÷ ¼­¼úµÈ´Ù. Æò°¡¸¦ À§ÇÏ¿© °Ç¹°ÀÇ ¼º´É¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ´Ù¾çÇÑ ¼³°è º¯¼öµéÀ» ¼±ÅÃÇÑ ÈÄ ±×¿¡ µû¶ó ¿¹Á¦ °Ç¹°µéÀ» ¼³°èÇÏ¿© Â÷ÀÌÁ¡À» ºÐ¼®ÇÏ¿´´Ù.
¿ä¾à2 In this study vertical push-over analysis was conducted to investigate the resistance of steel moment frames for progressive collapse. The analysis was carried out by increasing the vertical displacement in the location of the removed column and the vertical load in all spans corresponding to the increase of vertical displacement. Various steel moment resisting frame buildings were designed by changing the number of stories and the length of spans. The analysis results showed that the load resisting capacity increased as the number of story increased, but the opposite was true for the limit of the vertical displacement. As the length of span increased the load resisting capacity decreased but the limit of a vertical displacement increased. Based on the analysis results it was concluded that a push-down analysis could be a valuable tool to investigate the progressive collapse potential of buildings, but that for more accurate prediction of progressive collapse the results from the static method need to be compared and refined by the results from another analysis procedures.
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