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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.6, 2003³â, pp.285-298
°æ»çÆÇ ½ÃÇèÀ» ÅëÇÑ Åä¸ñ¼¶À¯¿Í ÈëÀÇ Á¢ÃË Àü´Ü Ư¼º Æò°¡
( Evaluation of Interface Shear Properties Between Geosynthetics and Soils Through Inclined Board Tests )
¼­¹Î¿ì;½ÅÁؼö;¹ÚÁعü;¹ÚÀÎÁØ; ¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;ÇѼ­´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â °æ»çÆÇ ½ÃÇè±â¸¦ ÀÌ¿ëÇÏ¿© ¸Å¸³Áö¿¡ ÈçÈ÷ ³ªÅ¸³ª´Â Åä¸ñ¼¶À¯/Åä¸ñ¼¶À¯, Åä¸ñ¼¶À¯/¸ð·¡ÀÇ Á¢ÃË ¸¶ÂûƯ¼ºÀ» Æò°¡ÇÏ¿´´Ù. °æ»çÆÇ ½ÃÇè±â´Â ¿¬Á÷ÀÀ·ÂÀÌ ³·Àº »óÅ¿¡¼­ÀÇ Àü´Ü °Åµ¿À» Á¤È®È÷ ¸ð»çÇÏ´Â ½ÃÇè±â·Î ³Î¸® ¾Ë·ÁÁ® ÀÖÀ¸¸ç, º» ¿¬±¸¿¡¼­´Â ÀÌ ½ÃÇè±â¸¦ ÀÌ¿ëÇÏ¿© °¢ Á¢Ã˸éÀÇ ¸¶Âû°¢À» Æò°¡ÇÏ´Â µ¿½Ã¿¡, °¢ Åä¸ñ¼¶À¯¿¡ À¯¹ßµÇ´Â ÀÎÀå·Âµµ ÃøÁ¤ÇÏ¿´´Ù. ½ÇÇè °á°ú, ¿¬Á÷ÀÀ·ÂÀÇ Å©±â, Åä¸ñ¼¶À¯ÀÇ Á¾·ù, Åä¸ñ¼¶À¯ÀÇ ÈëÀÇ ±¸¼º¿¡ µû¶ó Á¢Ã˸éÀÇ ¸¶Âû°¢°ú Åä¸ñ¼¶À¯¿¡ À¯¹ßµÇ´Â ÀÎÀå·ÂÀÌ °¢°¢ ´Ù¸£°Ô ÃøÁ¤µÊÀ» È®ÀÎÇÏ¿´´Ù. ÇÑÆí, º» ¿¬±¸¿¡¼­´Â ¸ð·¡/Áö¿ÀÅØ½ºÅ¸ÀÏ/Áö¿À¸âºê·¹ÀÎ, Áï µÎ°³ÀÇ Á¢Ã˸éÀ» µ¿½Ã¿¡ ¸ð»çÇÏ´Â ½ÇÇèÀ» ½Ç½ÃÇÏ¿©, Áö¿À¸âºê·¹ÀÎ »óºÎ¿¡ À§Ä¡ÇÏ´Â Áö¿ÀÅØ½ºÅ¸ÀÏ·Î ÀÎÇØ Áö¿À¸âºê·¹Àο¡ À¯¹ßµÇ´Â ÀÎÀå·ÂÀÌ °¨¼ÒÇÔÀ» °üÂûÇÏ¿´´Ù. º» ¿¬±¸ °á°ú´Â µ¿ÀÏÇÑ Á¢Ã˸éÀ» ´ë»óÀ¸·Î ½Ç½ÃµÈ Á÷Á¢Àü´Ü ½ÃÇè °á°ú¿Í ºñ±³ÇÏ¿´À¸¸ç, ¸¶Áö¸·À¸·Î »óÀÚÀÇ º¯À§°¡ ¹ß»ýÇϱ⠽ÃÀÛÇÏ´Â ½ÃÁ¡, Áï °¢ Á¢Ã˸éÀÇ ÇÑ°è °æ»ç¿¡¼­ Åä¸ñ¼¶À¯¿¡ À¯¹ßµÇ´Â ÀÎÀå·ÂÀ» ±âÁ¸¿¡ Á¦¾ÈµÈ ÇØ¼®ÇØ¿Í ºñ±³ÇÏ¿©, ÇØ¼®ÇØÀÇ Á¤È®µµ¿Í ¼³°è½Ã Àû¿ë °¡´É¼º¿¡ ´ëÇÏ¿© °íÂûÇÏ¿´´Ù.
Shear properies of geosynthetic/geosynthetic and geosynthetic/soil interfaces which are widely met in landfill sites were evaluated from the inclined board tests. The inclined board testing apparatus is known to reproduce the shear behavior on the low normal stress most accurately. In this study, the friction angle of each interface was estimated and the tensile force mobilized at the geosynthetic was measured as well. The test results showed that the friction angle of each interface and the tensile force of the geosynthetics depended on the amount of normal stress, the type of the geosynthetics used, and the combinations of geosynthetics and soils. In addition, the sand/geotextile/geomembrane interface system was simulated in this study, and it was observed that the tensile force developed at the geomembrane decreased due to the protection effect of the geotextile located above the geomembrane. The test results of this research was compared with those of direct shear tests published, too. Finally, by comparing the measured tensile force of the geosynthetics when the initial displacement of the box occurs, when the slope is called as the critical slope, with suggested analytic solution, the accuracy of analytic solution and the applicability to design were identified.
 
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Direct shear test;Geosynthetic;Inclined board test;Interface shear strength;Landfill;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.6, 2003³â, pp.285-298
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311922148049)
¾ð¾î : Çѱ¹¾î
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