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Çѱ¹Áö¹Ý°øÇÐȸ / v.6, no.2, 1990³â, pp.5-20
ÁöÁø¿¡ ´ëÇÑ Áö¹Ý-±¸Á¶¹° »óÈ£ÀÛ¿ëÀÇ È®·ü·ÐÀû ¿¬±¸
( A Probabilistic Analysis of Soil- Structure Interaction Subjected to Seismic Loading )
ÀÌÀθð;±è¿ëÁø;ÀÌÁ¤ÇÐ; °í·Á´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;°í·Á´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú, °í·Á´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;;
 
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Áö¹Ý-±¸Á¶¹°ÀÇ µ¿Àû »óÈ£ÀÛ¿ë ÇØ¼®¿¡ À־, ÈëÀÇ Æ¯¼ºÄ¡µé »Ó¸¸ ¾Æ´Ï¶ó ÀÔ·ÂÁöÁø ÀÚüµµ ¹«Ã´ RandomÇÏ´Ù. º» ³í¹®¿¡¼­´Â ÀÌ Randomness¸¦ °í·ÁÇϱâ À§ÇÏ¿© È®·ü·ÐÀû ¹æ¹ýÀ» Àû¿ëÇÏ¿© »óÈ£ÀÛ¿ë ÇØ¼®¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¿¬±¸ÇÏ¿´´Ù. ÀÌ È®·ü·ÐÀû Àû¿ëÀ» À§ÇØ Elastic Half Space À̷п¡ ÀÇÇØ ¾ò¾îÁø Complex Response ¹æ¹ý, Random Vibration Theory¿Í RosenbluethÀÇ Two Point Estimate ¹æ¹ýÀ» »ç¿ëÇÏ¿© ÇØ¼®À» ¼öÇàÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù. 1) ÈëÀÇ µ¿Àû Ư¼ºÄ¡ »Ó¸¸ ¾Æ´Ï¶ó Kanai-Tajimi¿¡ ÀÇÇÏ¿© Á¦¾ÈµÈ ÀÔ·ÂÁöÁøÀÇ PSD Function ÀÇ ºÒÈ®Á¤¼ºµµ »ó´çÈ÷ Å­À» ¾Ë ¼ö ÀÖ¾ú´Ù. À̶§ÀÇ ParameterÀÇ º¯µ¿°è¼ö´Â 0.4¿¡¼­ 0.6ÀÇ ¹üÀ§¸¦ °®´Â´Ù. 2) ÈëÀÇ µ¿Àû Ư¼ºÄ¡ÀÇ ºÒÈ®Á¤¼ºÀÇ ¿µÇâÀÌ ÀÔ·ÂÁöÁøÀÇ ±×°Íº¸´Ù´Â ±¸Á¶¹°¿¡ ¹ÌÄ¡´Â ¿µÇâÀÌ Å­ À» ¾Ë ¼ö ÀÖ¾ú´Ù. 3) ÀÔ·ÂÁöÁø°ú ÈëÀÇ µ¿Àû Ư¼ºÄ¡ »çÀÌÀÇ »ó°ü°è¼ö¿¡ ÀÇÇÑ ¿µÇâÀº ¹«Ã´ ÀÛÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù.
In the seismic analysis of structures, where the dynamic soil-structure interaction (DSSI) is considred, earthquake input motions as well as dynamic soil properties are random in nature. To take into account the random nature of both the input motions and the dynamic soil properties systematically, a probabilistic analysis of the DSSI subjected to seismic loading is proposed in this paper, The complex response method formulized by the elastic half space theory, the random vibration theory, and the Rosenblueth's two-point estimate method are combined for the proposed probabilistic analysis. The conclusions drawn from this study are as follows ' 1) The uncertainty bands of the earthquake input motions proposed by Kanai-Tajimi as well as those of the dynamic properties are large the coefecients of variation of those parameters tinge from 0.4 to 0.6. 2) The uncertainties of the dynamic soil properties are more sensitive to the structural responses than those of the input motion parameters. 3) The effect of correlations between the input motion parameters and the dynamic soil properties is negligible.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.6, no.2, 1990³â, pp.5-20
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199011920443854)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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