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Çѱ¹Áö¹Ý°øÇÐȸ / v.14, no.6, 1998³â, pp.81-92
¾ÞÄ¿Åä·ùº®ÀÇ Åº¼Ò¼ºº¸ ÇØ¼®¿¡ °üÇÑ ¿¬±¸
( Beam on Elasto-Plastic Foundation Modeling of Tieback Walls )
±è³«°æ; ¼º±Õ°ü´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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¾ÞÄ¿·Î ÁöÁöµÈ Åä·ùº®ÀÇ °Åµ¿ ÇØ¼®±â¹ý¿¡´Â ÇѰèÆòÇüÀÌ·ÐÇØ¼® (Limit Equilibrium Analysis), À¯ÇÑ¿ä¼ÒÇØ¼®(Finite Element Analysis), ±×¸®°í ź¼Ò¼ºº¸ ÇØ¼®¹ý(Beam on Elasto-Plastic Foundation) µîÀÌ ÀÖ´Ù. ÀÌ Áß¿¡¼­ ź¼Ò¼ºº¸ ÇØ¼®¹ýÀº Åä·ùº®Ã¼ÀÇ º¯À§, ÈÚ¸ð¸àÆ®, Åä¾ÐºÐÆ÷ µîÀ» ±¸ÇÒ ¼ö ÀÖ°í À¯ÇÑ¿ä¼ÒÇØ¼®¿¡ ºñÇØ ÀÔ·ÂÀÚ·á°¡ °£ÆíÇÑ ÀåÁ¡À¸·Î ÀÎÇÏ¿© ³Î¸® »ç¿ëµÇ¾î ¿Ô´Ù (Haliburton. 1968.; Pfisterµî.. 1982: Briaud¿Í ±è ³«°æ, 1998), ź¼Ò¼ºº¸ ÇØ¼®¹ýÀº Åä·ùº®Ã¼¸¦ ź¼ºº¸·Î ¸ðµ¨¸µÇϰí Áö¹ÝÀ» ź¼Ò¼º Åä¾Ð-º¯À§ °î¼± (Elasto-Plastic p-y Curve)À¸·Î Ç¥½ÃµÇ´Â ½ºÇÁ¸µÀ¸·Î ¸ðµ¨¸µ ÇÏ¿© Áö¹Ý-Åä·ùº® »óÈ£ÀÛ¿ëÀ» ÇØ¼®ÇÏ´Â ±â¹ýÀÌ´Ù. ±×·¯¹Ç·Î ¾ÞÄ¿Åä·ùº®ÀÇ Åº¼Ò¼ºº¸ ÇØ¼®¹ýÀº ½ÇÁ¦ °Åµ¿À» ¸ð»çÇÒ ¼ö ÀÖ´Â Åä¾Ð-º¯À§ °î¼±ÀÇ ±¸¼º ¿©ºÎ¿¡ µû¶ó ±× ÇØ¼® °á°ú°¡ Á¿ìµÈ´Ù. º» ³í¹®¿¡¼­´Â ¹Ì ±¹¸³ÅäÁú½ÃÇèÀå(U.S. National Geotechnical experimentation Site)¿¡¼­ ½Ã°øµÈ ¾ÞÄ¿Åä·ùº®ÀÇ º¯À§,ÈÚ¸ð¸àÆ® °èÃøÀÚ·á·ÎºÎÅÍ Cubic Spline ÇÔ¼ö¸¦ ÀÌ¿ëÇÏ¿© ½Ã°ø´Ü°èº°·Î Åä·ùº®¿¡ ÀÛ¿ëÇÏ´Â Åä¾ÐÀ» »êÁ¤ÇÔÀ¸·Î¼­ Åä¾Ð-º¯À§ °î¼±À» ±¸¼ºÇÏ¿´´Ù. ±¸¼ºµÈ Åä¾Ð-º¯À§ °î¼±À» ÀÌ¿ëÇÏ¿© ź¼Ò¼º º¸Çؼ®À» ½Ç½ÃÇÏ¿© ½ÇÃøµÈ º¯À§ ¹× ÈÚ¸ð¸àÆ®¿Í ºñ±³ÇÔÀ¸·Î¼­ ½ÇÇèÀûÀÎ Åä¾Ð-º¯À§ °î¼±À» Æò°¡ÇÏ°í ½Ã°ø´Ü°è¸¦ ÀûÀýÈ÷ °í·ÁÇÒ ¼ö Àִ ź¼Ò¼ºº¸ ÇØ¼®±â¹ýÀ» Á¦¾ÈÇÏ¿´´Ù.
A beam on elasto-plastic foundation modeling of soldier pile and woodlagging tieback walls or anchored walls was developed and tested. An instrumented full scale tieback wall in sand was constructed at the National Geotechnical Experimentation Bite located on Texas A&M University. The experimental earth pressure deflection relationship (p-y curves) was developed from the measurements. The construction sequence was simulated in the proposed method. The conceptual methodology of an anchored wall design was introduced by using the proposed method. The proposed method was evaluated with the measurements of case histories in sand and clay. A parametric research was performed to study the most influencing factors for the proposed method. It is concluded that the proposed method represents a significant improvement on the prediction of bending moments and deflections of the properly designed walls.
 
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Earth pressure;Anchored wall;Tieback wall;Retaining wall;p-y curve;Beam on Elastic Foundation Model;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.14, no.6, 1998³â, pp.81-92
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811921757703)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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