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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.4, 1999³â, pp.235-246
ÁöÇÏ ¹Ú½º±¸Á¶¹°¿¡ ÀÛ¿ëÇÏ´Â Åä¾Ð¿¡ °üÇÑ ½ÇÇèÀû ¿¬±¸
( An Experimental Study on the Earth Pressure on the Underground Box Structure )
±èÀº¼·;ÀÌ»ó´ö; ´ë´ö°ø¿µÁÖ½Äȸ»ç ±â¼ú¿¬±¸¼Ò ¿¬±¸¿ø;¾ÆÁÖ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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ÁöÇÏö ÅͳΠµîÀÇ ÁöÇϱ¸Á¶¹°À» °³Âø½ÄÀ¸·Î ½Ã°øÇÒ ¶§¿¡´Â ¸ÕÀú Áö¹ÝÀ» ±¼ÂøÇÏ°í ±¸Á¶¹°À» ¼³Ä¡ÇÑ ÈÄ¿¡ ±¼Âø°ø°£À» µÇ¸Þ¿òÇÑ´Ù. À̶§ ±¼Âø¸é°ú ±¸Á¶¹°»çÀÌÀÇ µÇ¸Þ¿ò °ø°£ÀÌ Çù¼ÒÇÏ¿© µÇ¸Þ¿òÁö¹ÝÀÇ ÀÚÁß¿¡ ÀÇÇÏ¿© ÁöÇϱ¸Á¶¹°¿¡ ÀÛ¿ëÇÏ´Â Åä¾ÐÀº °íÀüÀûÀÎ ¹æ¹ýÀ¸·Î ±¸ÇÑ Åä¾Ð°ú »óÀÌÇÏ´Ù. °³Âø½ÄÀ¸·Î ½Ã°øÇÑ ±¸Á¶¹°ÀÇ »óºÎ½½·¡ºê¿Í Ãøº®¿¡ ÀÛ¿ëÇÏ´Â ¿¬Á÷ ¹× ¼öÆòÅä¾ÐÀº µÇ¸Þ¿ò°ø°£ÀÇ Çü»ó¿¡ µû¶ó ¿µÇâÀ» ¹ÞÀ»¼ö ÀÖÀ¸¸ç À̸¦ ±Ô¸íÇϱâ À§ÇÏ¿© µÇ¸Þ¿ò°ø°£ÀÇ Çü»ó°ú º®¸¶Âû°¢À» º¯È­½ÃŰ¸é¼­ ½Ç³»¸ðÇü½ÃÇèÀ» ½Ç½ÃÇÏ¿© ±× °á°ú¸¦ ±âÁ¸ÀÇ Åä¾ÐÀ̷аú ºñ±³ºÐ¼®ÇÏ¿´´Ù. ±× °á°ú µÇ¸Þ¿ò°ø°£ÀÇ Çü»ó Áï µÇ¸Þ¿òÆø°ú ¿øÁö¹Ý ±¼Âø¸é °æ»ç ¹× ±¸Á¶¹°ÀÇ º®¸¶Âû°¢¿¡ ÀÇÇÑ ¿µÇâÀÌ °üÂûµÇ¾ú´Ù.
Some of the underground structures such as subway tunnels are constructed by open cut method, in which the ground is excavated, a structure installed, and after that the excavated space is backfilled. In this case, because of their narrow and constrained boundary conditions, the earth pressure induced by self-weight of the backfilled soil acting on the underground structures is different from that of the classical theory. The vertical and horizontal earth pressures acting on upper slab and side wall of the underground structures constructed by open cut method are affected by the backfill geometry. The laboratory model tests were performed in the conditions of a variety of the shapes of backfill geometry and wall friction. And their results were compared with those from theories. As a result, it was observed that the distribution of the earth pressure acting on the underground structure is affected by the shapes of backfill geometry, the width of backfill, the angle of excavation and the wall friction.
 
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Underground structure;Earth pressure;Open cut method;Backfill;Wall friction;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.4, 1999³â, pp.235-246
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921749448)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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