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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.2, 2003³â, pp.97-106
¿ÂµµÁ¦¾î ±¸¼ÓÀÎÀå½ÃÇè¿¡ ÀÇÇÑ Åä¸ñ¼¶À¯ º¸°­Åä¿Ëº®ÀÇ º¯À§Çؼ®
( Deformation Analysis of Geosynthetic Reinforced Retaining Wall by Using Temperature Dependent Confined Tension Test Results )
±èÈ«ÅÃ;¹æÀ±°æ;Á¶¿ë±Ç; È«ÀÍ´ëÇб³ Åä¸ñ°øÇаú;´ë¿ø°úÇдëÇÐ Åä¸ñ°ú;¢ß¼­¿µ±â¼ú´Ü Áö¹Ý±â¼úÆÀ;
 
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º» ¿¬±¸¿¡¼­´Â, 4°¡Áö Á¾·ùÀÇ Åä¸ñ¼¶À¯¸¦ ´ë»óÀ¸·Î Åä¸ñ¼¶À¯¿¡ °¡ÇØÁö´Â ±¸¼ÓÀÀ·ÂÀÇ Å©±â ¹× Åä¸ñ¼¶À¯ ¿Âµµ º¯È­¿¡ µû¸¥ ÀÀ·Â-º¯Çü·ü °ü°è¸¦ ±Ô¸íÇϱâ À§ÇÑ ¿ÂµµÁ¦¾î ±¸¼ÓÀÎÀå½ÃÇè(Temperature Dependent Confined Tension Test)À» ¼öÇàÇÏ¿´´Ù. ¶ÇÇÑ, º¸°­Åä¿Ëº® ³»ºÎ º¸°­ÀçÀÇ ¿Âµµº¯È­¸¦ ÃøÁ¤Çϱâ À§ÇÑ ¿Âµµ°èÃøÀ» ¼öÇàÇÏ¿´´Ù. ¿ÂµµÁ¦¾î ±¸¼ÓÀÎÀå½ÃÇè °á°ú¸¦ Åä´ë·ÎÇÏ¿©, Åä¸ñ¼¶À¯¿¡ °¡ÇØÁö´Â ±¸¼ÓÀÀ·Â ¹× ¿Âµµ º¯È­¿¡ µû¸¥ Åä¸ñ¼¶À¯ ÇÒ¼±°è¼öÀÇ º¯È­·®À» Á¤·®ÀûÀ¸·Î Æò°¡ÇÒ ¼ö ÀÖ´Â °ü°è½ÄÀ» Á¦½ÃÇÏ¿´´Ù. º» °ü°è½ÄÀ» ÀÌ¿ëÇÑ Åä¸ñ¼¶À¯ º¸°­Åä¿Ëº®ÀÇ À¯ÇÑÂ÷ºÐÇØ¼® ¿¹¸¦ ÅëÇØ ´Ù¾çÇÑ º¸°­Å䱸Á¶¹°ÀÇ º¯À§Çؼ®½Ã ¿Âµµº¯È­¿¡ µû¸¥ º¸°­ÀçÀÇ Æ¯¼ºº¯È­¸¦ °í·ÁÇÒ ¼ö ÀÖ´Â ±â¹ýÀ» Á¦½ÃÇÏ¿´´Ù. À¯ÇÑÂ÷ºÐÇØ¼® °á°ú, º¸°­ÀçÀÇ ¿Âµµ°¡ 5$^circ$ÀÎ °æ¿ì¿¡ ºñÇÏ¿© 30$^circ$ÀÎ °æ¿ì¿¡ Àü¸éºÎº®Ã¼ÀÇ Ãִ뺯À§·®Àº ¾à 46.4% Áõ°¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
In this study, the effect of temperature and soil confining stress on geosyntheic stress-strain properties was quantified by performing the temperature dependent confined tension tests for four types of geosynthetic including woven geotextile, composite, geomembrane and geogrid specimen. Temperature instrumentation on the GRS-retaining wall constructed in Jaechon-shi area was also performed to examine the a seasonal temperature variation of geosynthetic reinforcements in the backfill. Based on the test results, a comparison was made between unconfined and confined moduli far each temperature to quantify the soil confinement and temperature effect on stress-strain properties. And it was also proposed that the simple expressions for the secant moduli of geosynthetics as a function of temperature and confining stress on geosynthetics. As a result of the FDM analysis of GRS-retaining wall, the method of considering the effect of temperature and confining stress on geosynthetic reinforcements when performing the FDM analysis of GRS-retaining wall was proposed.
 
Ű¿öµå
Confined tension test;Geosynthetics;Reinforced soil retaining wall;Secant modulus;Stress-strain relationship;Temperature dependent;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.2, 2003³â, pp.97-106
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921640747)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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