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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.5, 2003³â, pp.49-58
Â÷·®ÇÏÁßÀ» ¹Þ´Â ÁöÁß¿¬¼º°üÀÇ °Åµ¿Æ¯¼º (ll)-½ÇÁõ½ÇÇèÀ» Áß½ÉÀ¸·Î-
( Behavior of Underground Flexible Pipes Subject to Vehicle Load (ll)-Based on Field Tests- )
ÀÌ´ë¼ö;»óÇö±Ô;±è°æ¿­;È«¼º¿¬; ÇÑÀü Àü·Â¿¬±¸¿ø;ÇÑÀü Àü·Â¿¬±¸¿ø;ÇÑÀü Àü·Â¿¬±¸¿ø;ÇÑÀü Àü·Â¿¬±¸¿ø;
 
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º» ¿¬±¸¿¡¼­´Â ÁöÁß¹èÀü¼±·Î¸¦ °Ç¼³ÇÔ¿¡ ÀÖ¾î Àü·ÂÄÉÀ̺í¿ë º¸È£°üÀ¸·Î »ç¿ëµÇ°í ÀÖ´Â PEÆÄÇü°üÀÇ ¸Å¼³±íÀ̺° ÀÛ¿ë¾Ð·Â-º¯Çü·ü Ư¼ºÀ» ºÐ¼®Çϱâ À§ÇØ °íÀüÀ̷нÄ, Àü»êÇØ¼®, ½Ç³» ¸ðÇüÅäÁ¶½ÇÇè ¹× ÇöÀå½ÇÁõ½ÇÇèÀ» ¼öÇàÇÏ¿´À¸¸ç, À̵é ÇØ¼®ÀÇ ºñ±³ ºÐ¼®À» ÅëÇØ ÁöÁ߸ż³°üÀÇ °Åµ¿¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ÁÖ¿äÀÎÀÚ¸¦ ¹àÇô³»°í, ´õºÒ¾î ÇöÀå½Ã°ø½Ã¿¡ ÁöÁ߸ż³°üÀÇ ¾ÈÁ¤¼ºÀ» È®º¸ÇÒ ¼ö ÀÖ´Â ¸Å¼³±íÀ̸¦ ºÐ¼®ÇÏ¿´´Ù. °¢ ÇØ¼®¹æ¹ý¿¡ Àû¿ëµÈ ¸Å¼³ÇüÅ´ A-1±Þ µµ·ÎÆ÷Àå ¾Æ·¡ ¸Å¼³±íÀÌ 80cm, 100cm, 120cmÁöÁ¡¿¡ PEÆÄÇü°üÀÌ ¹¯È÷°í, ¿ÜºÎÇÏÁßÀ¸·Î DB-24Â÷·®ÀÇ ÈÄ·ûÇÏÁß 9.6tonÀÌ ¸Å¼³°ü »ó´Ü Áß¾Ó¿¡ Á¤Â÷ÇßÀ» ¶§ °üÀÌ ¹Þ´Â ÀÛ¿ë¾Ð·Â-º¯Çü·ü Ư¼ºÀ» ºÐ¼®ÇÏ¿´´Ù. ¿©·¯ °¡Áö ÇØ¼®°á°ú, KS-C8455¿¡ ¸í½ÃµÇ¾î ÀÖ´Â ÁöÁß¿¬¼º°üÀÇ Çã¿ëº¯Çü·ü ±âÁØÀÎ 3.5%¿¡ ¸¸Á·ÇÏ´Â ¸Å¼³±íÀÌ´Â ¾à 80cm ÀÌ»óÀÎ °ÍÀ¸·Î ÆÇ¸íµÇ¾ú´Ù. ƯÈ÷, ÇöÀå ½ÇÁõ ½ÇÇè°á°ú, ÁöÁ߸ż³°üÀÇ °Åµ¿¿¡ ¿µÇâÀ» ÁÖ´Â ÁÖ¿äÀÎÀÚÀÎ Åä¾Ð, À±¾Ð ¿Ü¿¡ ´ÙÁü¿¡³ÊÁö°¡ °üÀÇ º¯Çü¿¡ »ó´çÇÑ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ¹àÇôÁ³°í, °ü¿¡ ¹ß»ýÇÏ´Â º¯Çü·®ÀÇ ¾à 90% ÀÌ»óÀÌ ´ÙÁü¿¡³ÊÁö¶ó´Â ÀÎÀÚ¿¡ ÀÇÇØ ¹ß»ýÇÏ´Â °ÍÀ¸·Î °èÃøµÇ¾ú´Ù.
Underground flexible pipes for electric cables are subject to external loads and surrounding soil pressure. Particularly, strain of flexible pipes is of great concern in terms of safety and maintenance for electric cables. In this paper, stress and strain of flexible pipes with various installation depth are compared using traditional formula, FEM analysis, model soil box test and field test. from the findings of various analyses, considering the strain criteria-maximum 3.5%, it is suggested that flexible pipes can be buried at the depth of 80cm without additional soil improvement.
 
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Field test;Numerical analysis;Soil box test;Stress-strain diagram;Underground flexible pipe;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.5, 2003³â, pp.49-58
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921979056)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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