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Çѱ¹Áö¹Ý°øÇÐȸ / v.20, no.1, 2004³â, pp.83-90
ºí·ÏÇü º¸°­Åä ¿Ëº®ÀÇ Åä¾Ð Ư¼º ¿¬±¸
( An Experimental Study on Characteristics of Earth Pressure Distribution for Segmental Reinforced Earth Wall )
±èÁø¸¸;Á¶»ï´ö;ÀÌÁ¤Àç;¹é¿µ½Ä; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý¿¬±¸ºÎ;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý¿¬±¸ºÎ;´ë¿ø Eng. ÅäÁúºÎ;°æÈñ´ëÇб³ Åä¸ñ°øÇаú;
 
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º¸°­Åä °ø¹ýÀº °ø»çºñ°¡ Àú·ÅÇÏ°í ½Ã°øÀÌ ¿ëÀÌÇÏ´Ù´Â Á¡¿¡¼­ Åä¸ñ°øÇÐ ºÐ¾ßÀÇ ½Ç¿ëÀû Ãø¸é¿¡¼­ °¡Ä¡°¡ ÀÖÀ¸¸ç ±â¼úÀÚ¿¡°Ô Å« ¸Å·ÂÀ» ÁÙ ¼ö ÀÖÀ» ¸¸Å­ ±× ±¸Á¶°¡ ÃæºÐÈ÷ ´Ü¼øÇÏ´Ù´Â °ÍÀÌ´Ù. º» ³í¹®¿¡¼­´Â 5°³ ÇöÀåÀ» ´ë»óÀ¸·Î °¢Á¾ °èÃø±â¸¦ ¸Å¼³ÇÏ¿© º¸°­Åä ¿Ëº® º®Ã¼¿¡ ÀÛ¿ëÇÏ´Â ¼öÆòÅä¾Ð°ú º¸°­ÀçÀÇ ÀÎÀ庯Çü·ü ¹× ÀÎÀåÀÀ·Â, Àü¸éºí·ÏÀÇ ¼öÆòº¯À§ µîÀ» ÃøÁ¤ÇÏ¿© º¸°­Åä ¿Ëº®ÀÇ ¾ÈÁ¤¼º ¹× Åä¾ÐƯ¼ºÀ» Æò°¡ÇÏ¿´´Ù. Æò°¡ °á°ú, º¸°­Åä ¿Ëº®Àº Àü¸éºí·ÏÀÇ ¼öÆòº¯À§ÀÇ °æ¿ì 0.19¡­0.76%·Î ÀÛ°Ô Æò°¡µÇ¾úÀ¸¸ç, º¸°­ÀçÀÇ ÃÖ´ëÀÎÀ庯À§´Â 0.66¡­1.98%·Î °æÇèÀûÀ¸·Î °í·ÁµÇ´Â º¸°­ÀçÀÇ ¼³°è ÀÎÀ庯Çü·üÀÎ 5%¿¡ ÈÙ¾À ¸ø ¹ÌÄ¡´Â °ÍÀ¸·Î Æò°¡µÇ¾ú´Ù. ÇÑÆí, Åä¾ÐºÐÆ÷ Ư¼ºÀº ±âÁ¸ ¼³°è ¹æ¹ý¿¡ ÀÌ¿ëµÇ´Â ·©Å² À̳ª Äð·Õ Åä¾Ð ºÐÆ÷ ÇüÅÂ¿Í ´Þ¸® ¿¬¼º Åä·ùº®Ã¼¿¡ ÀÛ¿ëÇÏ´Â »ç´Ù¸®²Ã ÇüÅÂÀÇ Åä¾ÐºÐÆ÷¸¦ ³ªÅ¸³»¾ú´Ù.
Retaining walls with reinforced earth have been constructed around the world. The use of reinforced earth is a recent development in the design and construction of earth-retaining structure. It is believed that reinforced retaining wall has some advantages which make construction quite simple basically. It wilt take short construction time relatively, comparing, fur example with reinforced-concrete retaining wall. In addition, low price and easy construction will be good attractive points in practical point of view. In this study, five field-tests monitoring data for lateral pressures on geogrid-reinforced retaining wall have been compiled and evaluated. Based on field-tests it is found that horizontal displacements of the facing was measured to be about 0.19¡­0.76% and that the maximum tensile strains of reinforcement was evaluated to be about 0.66¡­1.98%. The maximum tensile strains, measured from each site, do not reach 5% of the practical allowable strain of the geogrid. And also it is found that the lateral pressure distributions of reinforced-earth retaining wall are close to a trapezoid shape like a flexible retaining wall system, instead of a theoretical triangular shape.
 
Ű¿öµå
Earth pressure;Geogrid;Retaining wall;Site monitoring;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.20, no.1, 2004³â, pp.83-90
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922288682)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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