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Çѱ¹Áö¹Ý°øÇÐȸ / v.20, no.1, 2004³â, pp.101-108
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EPSÀÇ ¾ÐÃ༺À» ÀÌ¿ëÇÑ Åä¾ÐÀú°¨È¿°ú¿¡ °üÇÑ ¿¬±¸
( Research on the Load Reduction Effect Using EPS ) |
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| ÃÖ±Ù 30³â°£ EPS ºí·ÏÀº Àü ¼¼°èÀûÀ¸·Î ±× »ç¿ë·®ÀÌ Áõ°¡Çϰí ÀÖÀ¸¸ç, ±¹³»$.$¿ÜÀûÀ¸·Î EPS ºí·ÏÀÇ Àû¿ë ºÐ¾ß°¡ È®ÀåµÇ°í ÀÖ´Â Ãß¼¼¿¡ ÀÖ´Ù. ±× ´ëÇ¥ÀûÀÎ »ç·Ê·Î EPS ºí·ÏÀÇ ¾ÐÃ༺¿¡ µû¸¥ ¾ÆÄªÈ¿°ú¸¦ ÀÌ¿ëÇÑ ¿Ëº®, ±³´ë, ¸Å¼³°üµî Áö¹Ý±¸Á¶¹°¿¡ ÀÛ¿ëÇÏ´Â Åä¾Ð Àú°¨ ºÐ¾ß¸¦ µé ¼ö ÀÖ´Ù. EPS ºí·ÏÀº °æ·®¼º¿¡ ±âÀÎÇÑ ¿ì¼öÇÑ ½Ã°ø¼º°ú ¹Ðµµ º¯È¿¡ µû¸¥ ±ÕÁúÇÑ °øÇÐÀû Ư¼ºÀ» °¡Áö°í ÀÖÀ¸¸ç, ¶ÇÇÑ ¾ÐÃàÀç·Î¼ ÃÖÀûÀÇ Àç·áÀû Ư¼ºÀ» °®Ãß°í ÀÖ´Ù. ÀϹÝÀûÀ¸·Î EPS ºí·ÏÀº ¹Ðµµ°¡ ³·Àº °æ¿ì µ¿ÀÏÇÑ ÇÏÁß ¾Æ·¡¿¡¼ º¸´Ù ¾ÐÃ༺ÀÌ ¿ì¼öÇÑ °æÇâÀ» º¸À̳ª, ¹Ðµµ°¡ 10kg/$ extrm{m}^3$ ÀÌÇÏÀÎ °æ¿ì ¹ßÆ÷ ºñµå°£ °áÇÕ·ÂÀÌ ¾àÇÏ¿© ½±°Ô ÆÄ±«µÇ´Â ¼ºÁúÀÌ ÀÖÀ¸¹Ç·Î Áö¹Ý°øÇÐÀûÀ¸·Î ÀÌ¿ëÇÒ ¶§¿¡´Â 10kg/$ extrm{m}^3$ ÀÌ»óÀÇ Á¦Ç°À» ÀÌ¿ëÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÑ °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. º» ¿¬±¸¿¡¼´Â Áö¹Ý±¸Á¶¹°ÀÇ ÇÏÁß Àú°¨À» À§ÇÑ ¾ÆÄªÀç·Î¼ÀÇ EPS ºí·ÏÀÇ ÇöÀå Àû¿ë¼º Æò°¡¸¦ À§ÇÏ¿© ÄÜÅ©¸®Æ® ¿Ëº®°ú ÄÜÅ©¸®Æ® ¹Ú½º ¾Ï°Å¸¦ ´ë»óÀ¸·Î ÇöÀå½ÃÇè½Ã°øÀ» ¼öÇàÇÏ¿´À¸¸ç, ÇöÀå½ÃÇè½Ã°ø °á°ú ¾ÆÄªÀçÀÎ EPS ºí·ÏÀ» »ç¿ëÇÒ °æ¿ì ±âÁ¸ÀÇ ÀÌ·ÐÀûÀÎ Åä¾Ð¿¡ ºñÇÏ¿© ÄÜÅ©¸®Æ® ¿Ëº®ÀÇ °æ¿ì ¾à 20% Á¤µµ, ÄÜÅ©¸®Æ® ¹Ú½º ¾Ï°ÅÀÇ °æ¿ì ¾à 45¡53% Á¤µµÀÎ °ÍÀ¸·Î Æò°¡µÇ¾ú´Ù. |
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| For the last 30 years, the use of EPS as a lightweight filling material has grown significantly throughout the world. The fields of applying EPS block have also increased. The most representative example in geotechnical applications is using EPS block as a compressible inclusion that causes the reduction of static earth pressure on earth-retaining wall, bridge abutment and pipes. EPS blocks have a good workability by its lightweight characteristic and a uniform engineering property with the change of its density. Also EPS blocks have best material property as a compressible inclusion. This paper analyzes that the compressible inclusion function of EPS causes the reduction of static earth pressure on retaining wall and concrete box culvert. A series of in-situ tests were conducted to evaluate the reduction of static earth pressure using EPS inclusion. Based on in-situ test, it is found that the magnitude of static earth pressure was reduced to about 20% for the retaining wall and about 45¡53% for the box culvert compared with theoretical active earth pressure. |
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| Ű¿öµå |
| Arching Effect;Box Culvert;Compressible Inclusion;EPS;Reduction of Earth Pressure;Retaining Wall; |
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Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.20, no.1, 2004³â, pp.101-108
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922288718)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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