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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.5, 2002³â, pp.55-65
Ãø¹æÀ¯µ¿Áö¹Ý¼Ó ÁöÁ߸ż³°ü¿¡ ÀÛ¿ëÇÏ´Â Åä¾Ð½Ä »êÁ¤
( Evaluation of Lateral Earth Pressure on Buried Pipes in Soft Ground Undergoing Lateral Movement )
È«¿øÇ¥;ÇÑÁß±Ù;¹èżö; Áß¾Ó´ëÇб³ °ø°ú´ëÇÐ °Ç¼³ ȯ°æ°øÇаú;´ë¸²´ëÇÐ Åä¸ñ°ú;¼±ÁÖÅä°Ç;
 
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¼Ò¼ºÈ帧À» ¹ß»ý½ÃŰ´Â Ãø¹æÀ¯µ¿ °¡´ÉÁö¹Ý³»¿¡ ¼³Ä¡µÈ ¸Å¼³°ü¿¡ ÀÛ¿ëÇÏ´Â Åä¾Ð¿¡ ´ëÇÑ ¸ÞÄ«´ÏÁòÀ» ±Ô¸íÇϱâ À§ÇØ ÆÄ±«Çü»ó½ÇÇèÀ» ½Ç½ÃÇϰí, ÆÄ±«Çü»ó½ÇÇèÀ» Åä´ë·Î Áö¹Ýº¯Çü¼Óµµ¸¦ °í·ÁÇϱâ À§ÇØ Maxwell Á¡Åº¼º ¸ðµ¨À» Àû¿ëÇÑ Åä¾Ð»êÁ¤½ÄÀ» Á¦¾ÈÇÏ¿´´Ù. Á÷Á¢Àü´Ü½ÇÇèÀ¸·Î ±¸ÇÑ Á¡¼º°è¼ö¿Í ³»ºÎ¸¶Âû°¢°ú »óÀç¾ÐÀ» °íÁ¤ÇÏ¿© À̷нÄÀ¸·Î µµÃâÇØ³½ Á¡¼º°è¼ö°¡ Àß ÀÏÄ¡Çϰí ÀÖÀ½À» È®ÀÎÇÏ¿´°í ¸ðÇü½ÇÇè°á°ú¿Í À̷нĿ¡ ÀÇÇÑ Åä¾ÐÀº Áö¹Ýº¯Çü¼Óµµ¿¡ ¿µÇâÀ» ¹ÞÀ¸¸ç ºñ±³Àû ÀÏÄ¡Çϸç Áö¹Ýº¯ÇüÀÌ ¾ø´Â °æ¿ì¿¡µµ Á¤ÁöÅä¾ÐÀ» ¹ÞÀ½À» ¾Ë ¼ö ÀÖ´Ù. ¶ÇÇÑ, Áö¹ÝÀÇ ÁöÁö·ÂÀº Á¡¼ºÅä¿¡¼­´Â °üÀÔÀü´ÜÆÄ±«½ÃÀÇ °ª°ú °ÅÀÇ ÀÏÄ¡ÇÏ¿´´Ù. ¶ÇÇÑ, ¸Å¼³°ü ÁÖº¯Áö¹ÝÀÇ ÆÄ±«¸ðµå´Â ¸Å¼³°üÁ÷°æ°ú ¹«°üÇÏ°Ô Áö¹Ýº¯Çü¼Óµµ¿¡ ¿µÇâÀ» ¹ÞÀ¸¸ç ÀÛ¿ëÅä¾ÐÀº ±ÕÁúÇÑ ÁöÃþÀÇ °æ¿ì ¼±ÇüÀûÀ¸·Î Áõ°¡Çϰí Á¶¸³Áú¿¡ °¡±î¿ï¼ö·Ï ¼±ÇüÀû °¨¼ÒÄ¡¸¦ º¸À̹ǷΠ¸Å¼³°üÁÖº¯Áö¹ÝÀÇ ¸Å¸³À縦 ÀÌ¿ëÇÏ¿© ¸Å¼³°üÁÖº¯ÀÇ Åä¾ÐÀ» °æ°¨½Ãų ¼ö ÀÖÀ½À» ¾Ë ¼ö ÀÖ´Ù.
Model tests were performed to investigate the mechanism of lateral earth pressure on a buried pipe, which was installed in a plastic flowing soil mass undergoing lateral movement. On the basis of failure mode tests, the equation of lateral earth pressure to apply Maxwell's visco-elastic model was proposed to consider the soil deformation velocity. Through a series of model tests of differential soil deformation velocity, lateral earth pressure of theoretical equation was compared with experimental results. When lateral soil movement was raised, the lateral earth pressure acting on buried pipe increases linearly with the soil deformation velocity. It shows that the lateral earth pressure on buried pipe is largely affected by soil deformation velocity. When plastic soil movement was raised, lateral earth pressure predicted by theoretical equation showed good agreement with experimental results. Also, coefficient of viscosity by theoretical equation had a good agreement with direct shear test results.
 
Ű¿öµå
Buried pipe;Lateral earth pressure;Lateral movement;Model tests;Soil deformation velocity;Visco-elastic model;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.5, 2002³â, pp.55-65
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921407732)
¾ð¾î : Çѱ¹¾î
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