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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.5, 2005³â, pp.33-43
´ÜºÎ °æ°èÁ¶°ÇÀ» °í·ÁÇÑ ¸Å¼³°üÀÇ µ¿ÀûÀÀ´ä ÇØ¼®
( Analysis of Seismic Response of the Buried Pipeline with Pipe End Conditions )
Á¤ÁøÈ£;À̺´±æ;Á¤µÎȸ;¹Úº´È£; ºÎ°æ´ëÇб³ °ø°ú´ëÇÐ °Ç¼³°øÇкÎ;ºÎ°æ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;ºÎ°æ´ëÇб³ °ø°ú´ëÇÐ °Ç¼³°øÇкÎ;ºÎ°æ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â ´ÜºÎÀÇ °æ°èÁ¶°Ç¿¡ µû¸¥ ¸Å¼³°üÀÇ µ¿ÀûÀÀ´äÀ» ±Ô¸íÇϱâ À§ÇØ Ãà¹æÇâ ¹× ÃàÁ÷°¢¹æÇâ¿¡ ´ëÇØ¼­ ÀÚÀ¯Áøµ¿°ú °­Á¦Áøµ¿ ÇØ¼®À» ¼öÇàÇÏ¿´´Ù. °¢ °æ°èÁ¶°Ç¿¡¼­ÀÇ ¸ðµåÇü»óÀ» °áÁ¤ÇÑ ÈÄ °íÀ¯Áøµ¿¼ö¸¦ ±¸Çϰí, À̵éÀ» ÀÌ¿ëÇÏ¿© °­Á¦ Áøµ¿½Ã ¹ß»ýÇÏ´Â ¸Å¼³°üÀÇ Ãà¹æÇâ¿¡ ´ëÇØ º¯À§, º¯Çü·ü »êÁ¤½Ä°ú ÃàÁ÷°¢¹æÇâ¿¡ ´ëÇÑ º¯À§, ÈÚº¯Çü·ü »êÁ¤½ÄÀ» À¯µµÇÏ¿´´Ù. ¶ÇÇÑ °¡´ÉÇÑ ¸ðµç ´ÜºÎ °æ°èÁ¶°ÇÀÇ ¸Å¼³°ü¿¡ ´ëÇØ ÃÖ´ëÀÀ·ÂÀÌ ¹ß»ýÇÏ´Â À§Ä¡¿Í Å©±â¸¦ »êÁ¤ÇÏ¿´À¸¸ç, ¸Å¼³°üÀÇ µ¿Àû°Åµ¿¿¡ ¿µÇâÀ» °¡Àå ¸¹ÀÌ ¹ß»ý½Ãų ¼ö ÀÖ´Â °øÁøÇö»óÀ» ³ªÅ¸³»´Â ¸ðµå¼ö¸¦ ¿¹ÃøÇÒ ¼ö ÀÖ´Â ½ÄÀ» Á¦¾ÈÇÏ¿´°í °ü ´ÜºÎ °æ°èÁ¶°ÇÀÌ ¸Å¼³°üÀÇ µ¿ÀûÀÀ´ä¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇÑ ±Ô¸í°ú °üÀÇ µ¿ÀûÀÀ´ä¿¡ ¿µÇâÀ» ÁÖ´Â ¸Å°³º¯¼öµéÀÇ ¿µÇâ¿¡ ´ëÇØ ±Ô¸íÇÏ¿´´Ù.
This work reports results of our study on the dynamic responses of the buried pipelines both along the axial and the transverse directions under various boundary end conditions. In order to investigate the effect of the boundary end conditions for the dynamic responses of the buried pipeline, we have devised a computer program to find the solutions of the formulae on the dynamic responses (displacements, axial strains, and bending strains) under the various boundary end conditions considered in this study, The dynamic behavior of the buried pipelines for the forced vibration is found to exhibit two different forms, a transient response and a steady state response, depending on the time before and after the transfer of a seismic wave on the end of the buried pipeline. We have observed a resonance when the mode wavelength matches the wavelength of the seismic wave, where the mode number(k) of resonance f3r the axial direction. On the other hand, we have not been able to observe a resonance in the analysis of the transverse direction, because the dynamic responses are found to vanish after the seventh mode. From the results of the dynamic responses at many points of the pipeline, we have found that the responses appeared to be dependent critically on the boundary end conditions. Such effects are found to be most prominent especially for the maximum values of the displacement, the strain and its position.
 
Ű¿öµå
Buried pipeline;Dynamic response;Pipe end conditions;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.5, 2005³â, pp.33-43
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200504704322919)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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