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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.1, 1999³â, pp.15-29
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»óÀçÇÏÁß À̰ݰŸ®¸¦ °í·ÁÇÑ GRS-RW °ø¹ýÀÇ Åä¾ÐÇØ¼® ¹× ¼³°è
( Horizontal Active Thrusts and Design of GRS-RW System for Distanced Surcharge ) |
| ¹æÀ±°æ; ´ë¿ø°ø°ú´ëÇÐ Åä¸ñ°ú;
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| º» ¿¬±¸¿¡¼´Â GRS-RW °ø¹ýÀÇ Àü¸éºÎº®Ã¼ ¹è¸éÀ¸·ÎºÎÅÍ ´Ù¾çÇÑ °Å¸®¸¸Å ÀÌ°ÝµÇ¾î µîºÐÆ÷»ó ÀçÇÏÁßÀÌ ÀÛ¿ëÇÏ´Â °æ¿ì, ÀÌ·¯ÇÑ ÀÎÁ¢»óÀçÇÏÁßÀÇ ¿µÇâÀ» °í·ÁÇÑ È¾Åä¾Ð ¿¹Ãø¹æ¹ýÀ» ÇѰèÆòÇüÇØ¼®¿¡ ÀÇÇØ Á¦½ÃÇÏ¿´À¸¸ç, GRS-RW °ø¹ýÀÇ ¼³°è½Ã Âü°íÇÒ ¼ö ÀÖ´Â ¿¹ºñ¼³°è(preliminary design)¿ë ¼³°è µµÇ¥¸¦ Á¦½ÃÇÏ¿´´Ù. Á¦½ÃµÈ Åä¾Ð ÇÕ·ÂÀÇ ¿¹Ãø¹æ¹ýÀº, Àü¸éºÎº®Ã¼ ¹è¸éÀ¸·ÎºÎÅÍ »óÀçÇÏÁßÀÌ ÀÛ¿ëÇÏ´Â ÁöÁ¡±îÁöÀÇ ¼öÆò°Å¸®¸¦ °í·ÁÇÒ ¼ö ÀÖµµ·Ï ÇÏ¿´À¸¸ç, ÁöÁøÇÏÁß ÀÛ¿ë½Ã Àü¸éºÎº®Ã¼ ¹× µÞä¿ò ÀÚÁß¿¡ ÀÇÇÑ ¼öÆò.¿¬Á÷°ü¼º·ÂÀÇ ¿µÇâÀ» °í·ÁÇÏ¿´´Ù. ¾Æ¿ï·¯. º» ¿¬±¸Á¦½Ã ÇØ¼®¹ýÀº, Á¡¼ºÅäµÞä¿òÀÇ °æ¿ì¿¡ ÈçÈ÷ Àû¿ëµÇ´Â º¹ÇÕÁö¿ÀÅØ½ºÅ¸ÀÏ º¸°Åä°ø¹ýÀÇ ÇØ¼®½Ã¿¡ ÃßÈÄ Àû¿ë °¡´ÉÇϵµ·Ï Á¡Âø·ÂÀÌ ÀÖ´Â µÞä¿ò(c-$phi$ soil)¿¡¼ ¹ß»ý °¡´ÉÇÑ ÀÎÀå±Õ¿ÀÇ ¿µÇâÀ» °í·ÁÇÒ ¼ö ÀÖµµ·Ï ÇÏ¿´´Ù. º» ¿¬±¸Á¦½Ã ÇØ¼®¹æ¹ýÀÇ È¿À²¼º ¹× ÀûÇÕ¼º µîÀ» È®ÀÎÇϱâ À§ÇÑ ´Ù¾çÇÑ ºÐ¼®°á°ú, »óÀçÇÏÁß À̰ݰŸ®ºñ°¡ ¾à 0.60~0.70 ÀÌ»óÀÎ °æ¿ì¿¡´Â, ƯÈ÷ »óÀçÇÏÁßÀÇ Å©±â ¹× ¼³°è¼öÆòÁøµµ°¡ Áõ°¡ÇÒ¼ö·Ï, ¶Ç´Â º¸°ÀçÀÇ ¿¬Á÷°£°ÝÀÌ 0.3, 0.4m·Î ºñ±³Àû ÀÛÀº °æ¿ì¿¡´Â, JarquioÀÇ ¼öÁ¤ Boussinesq¹æÁ¤½ÄÀ» ÀÌ¿ëÇÑ Åä¾Ð °è»ê¹æ½ÄÀÇ Àû¿ë½Ã ºÒ¾ÈÀüÃøÀÇ ¼³°è°¡ µÉ ¼ö ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸¿¡¼ Á¦½ÃµÈ ÇØ¼®¹æ¹ýÀº, Àü¸éºÎº®Ã¼ÀÇ °æ»ç°¡ ¿¬Á÷ÀÎ °æ¿ì·Î ÇÑÁ¤ÇÏ¿´´Ù. |
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| This study presents an analytical method of estimating the developed horizontal active thrusts against GRS-RW( Geosynthetic Reinforced Soil Retaining Wall) system adapted to the case of distanced surcharge. In addition, the design charts that could be used for preliminary design of GRS-RW system are presented. The proposed method of analysis uses two body translation mechanism as well as force polygon concept. taking into account the effect of facing's rigidity. Besides. the effect of tension cracks in c-Phi$ soils, seismic effects and horizontal distance from the back face of wall to uniformly distributed surcharge loadings are also included. The results of horizontal active thrusts obtained from the developed method of analysis are compared with those from Jarquio's modified Boussinesq equation. |
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| Ű¿öµå |
| GRS-RW system;Two-wedge;Distanced surcharge;Limit equilibrium;Horizontal active thrust; |
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Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.1, 1999³â, pp.15-29
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921748865)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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