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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.4, 1997³â, pp.37-54
ºñÁ¡Âø¼º »ç¸é¿¡ ÀÎÁ¢ÇÑ ´ë»ó±âÃÊÀÇ ÁöÁö·Â
( Bearing Capacity of Strip Footing Adjacent on Cohesionless Slopes )
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º» ³í¹®Àº ºñÁ¡Âø¼º »çÁúÅä ¼ºÅä »ç¸é¿¡ ÀÎÁ¢ÇÑ ´ë»ó±âÃÊÀÇ ±ØÇÑÁöÁö·Â ¹× ÆÄ±«¸ÞÄ«´ÏÁò¿¡ °ü ÇÑ ¿¬±¸·Î¼­ Áö¹ÝÀÇ »ó´ë¹Ðµµ, ±âÃÊ Æø, »ç¸é °æ»ç°¢, »ç¸é Á¤ºÎ·Î ºÎÅÍ ±âÃʱîÁöÀÇ °Å¸®°¡ ±âÃÊ ÀÇ ÇÏÁßħÇÏÆ¯¼º°ú ±ØÇÑÁöÁö·Â, °æ»çÁö¹ÝÀÇ ÆÄ±«¸ÞÄ«´ÏÁò¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇϱâ À§ÇÏ¿© ºñ Á¡Âø¼º »çÁúÅä ¸ðÇü»ç¸é¿¡¼­ 2Â÷¿ø Æò¸éº¯Çü ½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. ¸ðÇü½ÇÇè¿¡¼­´Â ÁÖ¹®Áø Ç¥Áػ縦 »ç¿ëÇÏ¿© »ó´ë¹Ðµµ°¡ 45%¿Í 70%·Î Á¶¼ºµÈ 1:1.5¹× 1:2ÀÇ ¸ðÇü»ç¸éÀ» ¼ºÇüÇÏ°í ÆøÀÌ 4, 7, 10, 12cmÀÇ ´ë»ó °­¼º ¸ðÇü±âÃʸ¦ »ç¿ëÇÏ¿´´Ù. ¶ÇÇÑ ±âÃÊÀÇ ÀçÇÏÀ§Ä¡´Â »ç¸é Á¤ºÎ·Î ºÎÅÍ ±âÃʱîÁöÀÇ °Å¸®¸¦ ±âÃÊ ÆøÀ¸·Î ³ª´« °ª Áï, 0, 0.5, 1, 2, 3, 4, 5·Î º¯È­½ÃŰ¸é¼­ ½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. À̿Ͱ°ÀÌ »ç¸é Á¤ºÎ·Î ±âÃÊÀÇ ÀçÇÏÀ§Ä¡¸¦ Á¡ÁøÀûÀ¸·Î º¯È­½ÃŰ¹Ç·Î½á °üÂûµÈ Ȱµ¿¼± Çü¼ºÀÇ ÆÄ±«¸ÞÄ«´ÏÁòÀ» ±âÁ¸ÀÇ ÇØ¼® ¹æ¹ýµé°ú ºñ±³ ºÐ¼®ÇÏ¿´À¸¸ç, ½ÇÇèÀ» ¼öÇàÇÏ¿© ÃøÁ¤ÇÑ ±ØÇÑÁöÁö·ÂÀ» ÇѰèÆòÇü¹ý°ú ±ØÇÑÇØ¼®¹ý ±×¸®°í ½ÇÇè°á°ú¿¡ ÀÇÇÑ °æÇè½Ä°ú ºñ±³ÇÏ¿© Áö¹ÝÀÇ »ó´ë¹Ðµµ, ±âÃÊÀÇ Æø ¹× ±âÃÊ ÀçÇÏÀ§Ä¡ÀÇ º¯È­°¡ ±ØÇÑÁöÁö·Â ¹× ÇÏÁßÄ£ÇÏ Æ¯¼º, ÆÄ±«¸ÞÄ«´ÏÁò¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇÏ¿´´Ù.
This paper is to investigate the bearing capacity and the failure mechanism of slope subjected to strip surcharges adjassent to embankment slope of sandy soil. Parametric model tests under plain strain condition were performed by changing width of footing, relative density of slope materials, and position of footing from the crest of slopes. For model tests, Jumunjin standard sand was used as the slope material and its relative density was 45% and 70%, respectively. The angle of slope was formed with 1 : 1.5 and 1 2. Rigid model footings, made of aluminuu were used with their widths of 4, 7, 10 and 12cm. For the position of model footing, position ratios, distance of model footing from the crest of slope divided by footing width, were 0, 0.5, 1, 2, 3, 4, 5. Failure mechanism was observed by using ink colored sands and markers inserted in model slopes. Ultimate bearing capacity obtained from tests was analyzed and compared with limit equilibrium method, limit analysis method and empirical equation. Characteristics of load-settlement curves and failure mechanism were also analyzed and compared with the existing theories. Thus, their effects on ultimate bearing capacity of model footing adjacent to slope were assessed.
 
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Ultimate bearing capacity;Failure mechanism;Parametric model test;Model footing adjacent to slope;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.4, 1997³â, pp.37-54
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447468)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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