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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.5, 2005³â, pp.153-161
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( Assessment of Combined Effect of Installation Damage and Creep Deformation of Geogrids ) |
| Á¶»ï´ö;À̱¤¿ì;¿À¼¼¿ë;À̵µÈñ; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý¿¬±¸ºÎ;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý¿¬±¸ºÎ;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý¿¬±¸ºÎ;´ë¿ì°Ç¼³ °æÀǼ± Àüµ¿Â÷ »ç¹«¼Ò;
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| ½Ã°ø ½Ã ¼Õ»ó ¹× Å©¸®ÇÁ º¯ÇüÀÇ º¹ÇÕÈ¿°ú°¡ Áö¿À±×¸®µåÀÇ Àå±â¼³°èÀÎÀå°µµ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡Çϱâ À§ÇÏ¿©, ¼¼ Á¾·ùÀÇ Áö¿À±×¸®µå¸¦ ´ë»óÀ¸·Î ÀÏ·ÃÀÇ ÇöÀå ³»½Ã°ø¼º½ÃÇè ¹× Å©¸®ÇÁ½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ¿¬±¸°á°ú, Áö¿À±×¸®µåÀÇ ½Ã°ø½Ã ¼Õ»ó ¹× Å©¸®ÇÁ º¯Çü Ư¼ºÀº Áö¿À±×¸®µåÀÇ ÀçÁú ¹× Á¦Á¶¹æ¹ý¿¡ Å©°Ô ¿µÇâÀ» ¹ÞÀ¸¸ç, ½Ã°ø Áß Áö¿À±×¸®µåÀÇ ÀÎÀå°µµ°¨¼Ò°¡ Ŭ¼ö·Ï, ½Ã°ø ½Ã ¼Õ»ó°ú Å©¸®ÇÁ º¯ÇüÀÇ º¹ÇÕÈ¿°ú°¡ ¹ÌÄ¡´Â ¿µÇâÀÌ ´õ Å« °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ Áö¿À±×¸®µåÀÇ ÀÎÀå°µµ °¨¼Ò°è¼ö¸¦ ¿µÇâÀÎÀÚº°·Î °¢°¢ »êÁ¤ÇÏ¿© Àå±â¼³°èÀÎÀå°µµ¸¦ Æò°¡Çϵµ·Ï µÇ¾î ÀÖ´Â ÇöÇà ¼³°è¹ýÀº, Áö¿À±×¸®µåÀÇ ½Ã°ø ½Ã ¼Õ»ó°ú Å©¸®ÇÁ º¯ÇüÀÇ º¹ÇÕÈ¿°ú¸¦ °í·ÁÇÏ¿© °µµ°¨¼Ò°è¼ö¸¦ »êÁ¤ÇÏ´Â ¹æ¹ý¿¡ ºñÇØ Áö¿À±×¸®µåÀÇ °µµ°¨¼Ò°è¼ö¸¦ ¾ÈÀüÃøÀ¸·Î »êÁ¤ÇÏ´Â °ÍÀ¸·Î Æò°¡µÇ¾ú´Ù. |
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| A series of installation damage tests and creep tests are performed to assess the combined effect of installation damage and creep deformation far the long-term design strength of geogrid reinforcement. Three types of geogrids are used to investigate the influence of the geogrid types. From the experimental results, it is shown that installation damage and creep deformation of geogrids significantly depends on the polymer types of the geogrids and the larger the installation damage, the more the combined effect of installation damage and creep deformation. In addition, The results of this study show that the tensile strength reduction factor, RF, considering the combined effect between installation damage and creep deformation is less than that calculated by the current design practice which calculates the long-term design strength of geogrids damaged during installation by multiplying two partial safety factors, $RF_{ID}$ and $RF_{CR}$. |
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| Ű¿öµå |
| Creep deformation;Geogrid;Installation damage;Wide width tensile test; |
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Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.5, 2005³â, pp.153-161
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200504704325217)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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