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Çѱ¹Áö¹Ý°øÇÐȸ / v.5, no.3, 1989³â, pp.5-18
±¸Á¶¹°ÀÇ ³»Áø ÇØ¼®À» À§ÇÑ Áö¹Ý ÀԷ¿ÀÇ »êÁ¤¿¡ °üÇÑ ¿¬±¸
( A Study on the Ground Input Motion for Seismic Analysis of Structures )
ÀÌÀθð;¼ÛÅ¿ø;Ç㿵; °í·Á´ëÇб³ Åä¸ñ°øÇаú;°í·Á´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú, ´ëÇÑÁÖÅðø»ç ÁÖÅÿ¬±¸¼Ò;;
 
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º» ¿¬±¸¿¡¼­´Â ±¸Á¶¹°ÀÇ ³»ÁøÇؼ®¿¡ »ç¿ëµÇ´Â ÀԷ¿À» 1Â÷¿ø ÆÄÀüÆÄÀÌ·Ð, Elsabee-MorrayÀÇ ÀÌ·Ð, À¯ÇÑ ¿ä¼ÒÀÌ·ÐÀ» ÀÌ¿ëÇÏ¿© »êÃâÇÏ¿© »óÈ£ºñ±³ °ËÅäÇÏ¿´°í »êÁ¤µÈ ÀԷ¿À» ÀÌ¿ëÇØ¼­ ±¸Á¶ ¹°ÀÇ ÀÀ´äÀ» À¯ÇÑ¿ä¼Ò ÇØ¼®°ú ¹Ý¹«ÇÑü ÇØ¼®À» ÀÌ¿ëÇÏ¿© »êÁ¤Çؼ­ ¿ª½Ã ºñ±³ °ËÅäÇÏ¿´´Ù. Áö¹ÝÀÇ °­¼ºÁõ°¡¿¡ µû¸¥ ÀԷ¿°ú ±¸Á¶¹° ÀÀ´äÀÇ º¯È­¸¦ °íÂûÇϱâ À§ÇÏ¿© Parametric Study¸¦ ¼öÇàÇÏ¿´À¸¸ç »êÃâµÈ ¿©·¯ À̷е鿡 µû¸¥ ±¸Á¶¹° ÀÀ´ä°á°ú¸¦ ³»Áø±ÔÁØ¿¡ µû¶ó¼­ »êÃâµÈ ±¸Á¶¹° ÀÀ´ä°ú ºñ±³ÇÏ¿´´Ù. ÇØ¼® °á°ú´Â Scattering Field È¿°ú¸¦ °í·ÁÇÏÁö ¾ÊÀºÃ¤ »êÃâµÈ ÀԷ¿ÀÌ Scattering Field È¿°ú¸¦ °í·ÁÇÏ¿© ¾ò¾îÁø ÀԷ¿º¸´Ù ¾à 2¹è Á¤µµ Å©°Ô »êÃâµÇ¾î °á°úÀûÀ¸·Î ÀԷ¿ÀÇ Â÷ÀÌ¿¡ µû¸¥ ±¸Á¶¹°ÀÀ´äÀÌ »ó´çÇÑ Â÷À̸¦ º¸¿© ³»Áø ¼³°è½Ã ÀÌ È¿°ú¸¦ ¹«½ÃÇÒ ¼ö ¾øÀ» Á¤µµ·Î Å­À» ¾Ë ¼ö ÀÖ¾ú´Ù.
The ground input motions used for seismic analysis of structures are studied in this paper, The one-dimensional wave propagation theory, the simple transfer function by Elsabee and Morray, and the finite element method that can account for the effect of scattering field, respectively, are used to get the ground input motions, and the results by these methods are compared among others. The responses of structures are also computed by both finite element analysis and elastic half space analysis, using the ground input motions obtained by the different methods mentioned above, and the computed results are analyzed. In addition, the parameteric study Is performed to analyze the effect of the increase of soil stiffness on the response of structures, and on that of the ground input motions. The responses of structures obtained are compared with the results obtained using the Building Code on seismic analysis for structures in Korea. The results of this study show that the ground input motions obtained without considering the effect of scattering field was 2 times larger than those with scattering effect, concluding that the effect of scattering field may not be ignored when obtains the ground input motion.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.5, no.3, 1989³â, pp.5-18
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198911920443643)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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