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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.5, 1997³â, pp.59-74
°­°ü¸»¶ÒÀÇ ¼öÆò°Åµ¿¿¡ ´ëÇÑ ¸ðÇü½ÇÇè ¿¬±¸(I) -´ë±¸Áö¿ª ³«µ¿°­ ¸ð·¡¿¡ ´ëÇÏ¿©
( Model Tests on the Lateral Behavior of Steel Pipe Piles(I) in the Nak -dong River Sand )
±è¿µ¼ö;Çã³ë¿µ; Á¤È¸¿ø, °æºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;Á¤È¸¿ø, (ÁÖ) º¸¼º Åä¸ñºÎ, Á¤È¸¿ø, °æºÏ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú ¹Ú»ç°úÁ¤, Á¤È¸¿ø, °æºÏ´ëÇб³ ³ó°ú´ëÇÐ Á¶°æÇаú;
 
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º» ³í¹®Àº ³«µ¿°­ À¯¿ªÀÇ »çÁúÅä Áö¹Ý¿¡¼­ ¼öÆòÇÏÁßÀ» ¹Þ´Â °­°ü ¸»µÏÀÇ ¼öÆò°Åµ¿À» ¸ðÇü½Ç÷À» ÅëÇØ °üÂûÇÏ¿´´Ù. ºì ¿¬±¸ÀÇ ¸ñÀûÀº ¸»¶ÒÀÇ ¼öÆò°Åµ¿(ÇÏÁß-º¯À§ Àܰè,Áö¹Ý³» ¸»¶ÒÀÇ ¸ð¸àÆ® ºÐÆ÷, ÃÖ´ë ¸ð¸àÆ®-º¯À§ °ü°è µî)¿¡ ´ëÇÑ ¸»¶ÒÀÇ °­¼º, ¸»¶ÒÀÇ ±ÙÀÔ±æÀÌ, Áö¹ÝÀÇ »ó´ë¹Ðµµ, ÇÏÁß ÀçÇϼӵµ, ¸»¶ÒµÎºÎÀÇ ±¸¼ÓÁ¶°Ç, ±×¸®°í Áö¹Ý³»ÀÇ ºñ±ÕÁúÅäÀÇ ¿µÇâ¿¡ °üÇÏ¿© ½ÇÇèÀûÀÎ ¿¬±¸¸¦ ¼öÇàÇϰí ÀÌ·¯ÇÑ ¿µÇâµéÀ» Á¤·®È­ ÇÒ ¼ö ÀÖ´Â °á°úµéÀ» ¾ò°íÀÚ ÇÑ´Ù. ºñ¼±ÇüÀûÀÎ ÇÏÁß-º¯À§ °ü°è´Â ¸ðÇü½ÇÇèÀÇ °á°úµé·ÎºÎÅÍ 2Â÷ °î¼±¹æÁ¤½ÄÀ¸·Î ȸ±ÍºÐ¼®ÇÏ¿© ±¸ÇÏ¿´À¸¸ç, ÀÓÀÇ ¼öÆò º¯À§¿¡ ´ëÇÑ ¼öÆòÇÏÁß, Ç׺¹ÇÏÁß, ±ØÇÑÇÏÁß ±×¸®°í ÃÖ´ë Èݸð¸àÆ®¿Í Ç׺¹½±¸ð¸àÆ®´Â »ó´ë¹Ðµµ¸¦ Æ÷ÇÔÇÏ´Â Áö¼öÇÔ¼ö½ÄÀÇ ÇüÅ·Πȸ±ÍºÐ¼®ÇÏ¿© ±¸ÇÏ¿´´Ù. ¼öÆò ±ØÇÑÇÏÁß¿¡ °üÇÑ Brom'sÀÇ ÀÌ·Ð °á°ú¿Í ½ÇÇè°á°ú ºñ±³¿¡¼­, ªÀº ¸»¶Ò°ú ±ä ¸»¶ÒÀÇ °á°ú°¡ ¼­·Î ¹Ý´ë·Î ³ªÅ¸³­ °ÍÀº °¡Á¤ÇÑ Áö¹Ý¹Ý·ÂÀÌ ±íÀº ÁöÁ¡¿¡¼­ ³«µ¿°­ »çÁúÅäÀÇ Áö¹Ý¹Ý·Âº¸´Ù À۾Ƽ­ ³ªÅ¸³ª´Â °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù. ±ÕÁúÃæ°ú ºñ±ÕÁúÅä Áö¹ÝÀÇ ¼öÆò°Åµ¿ ºñ±³¿¡¼­, ÇϺÎÁö¹ÝÀÇ »ó ´ë¹Ðµµº¸´Ù »óºÎÁö¹ÝÀÇ »ó´ë ¹Ðµµ°¡ ÇÏÁß-º¯À§°ü°è¿¡ ´õ Å« ¿µÇâÀ» ³¢Ä¡°í ÀÖÀ¸¸ç, ÇÏºÎ¿Í »óºÎ Áö¹ÝÀÇ »ó´ë¹Ðµµ Â÷°¡ Ŭ¼ö·Ï ±×·±Çö»óÀº ¶Ñ·ÇÇÏ°Ô ³ªÅ¸³µ´Ù.
This paper shows the results of a series of model bests on the behavior of single steel pipe pile which is subjected to lateral load in Nak-dong river sand. The purpose of the present paper is to estimate the effect of Non -homogeneous soil, constraint condition of pile head, lateral load velocity, relative density of soil, embedded pile length, and flexural stiffness of pile on the behavior of single pile which is embedded in Nak-dong river strand. These effects can be quantined only by the results of model tests. The nonlinear responses of lateral loadieflection relationships are fitted to 2nd polynomial equations by model tests results. Also, the lateral load of a deflection, yield and ultimate lateral load max. bending moment, and yield bending moment can be expressed as exponential function in terms of relative density and deflection ratio. By comparing Brom's results with model results on the lateral ultimate load, it is found that short and long pile show the contrary results with each other. The contrary results are due to the smaller assumed soil reaction than the soil reaction of the Nakiong river sand at deep point. By comparing lateral behavior on the homogeneous soil with non-homogeneous soil, it is shown that lateral loadieflection relationship is very dependent on the upper relative density. This phenomenon is shown remarkably as the difference between upper and lower relative density increases.
 
Ű¿öµå
Model test;Vertical pile;Lateral load;Non-homogeneous soil;Ultimate load;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.5, 1997³â, pp.59-74
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447630)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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