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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.4, 1997³â, pp.55-66
Ⱦ¹æ.ÇâÇÏÁßÀ» ¹Þ´Â ±×¹°½Ä »Ñ¸®¸»¶ÒÀÇ ÃÖÀû Ÿ¼³°æ»ç°¢
( The Optimum Installation Angle of Reticulated Root Piles under Lateral Loads )
À̽ÂÇö;±è¸í¸ð; Á¤È¸¿ø, ¼­¿ï´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;Á¤È¸¿ø, ¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ±×¹°½Ä »Ñ¸®¸»¶ÒÀÇ Å¸¼³°æ»ç°¢°ú Ⱦ¹æÇâÀúÇ×·Â »çÀÌÀÇ °ü°è¸¦ ºñ±³ºÐ¼®ÇϰíÀÚ ¿©·¯°¡ÁöÀÇ Å¸¼³°æ»ç°¢À» °®´Â ¸ðÇü ±×¹°½Ä »Ñ¸®¸»¶ÒÀ» Á¦ÀÛÇÏ¿© ¸ðÇüÁö¹Ý¿¡ ¼³Ä¡ÇÑ ´ÙÀ½ Ⱦ¹æ ÇâÀçÇϽÃÇèÀ» ÇÏ¿´´Ù. ¸ðÇü »Ñ¸®¸»¶ÒÀÇ ¹èÄ¡´Â 12°³ÀÇ ¸»¶ÒÀ» 6°³¾¿ 2°³ÀÇ Å©°í ÀÛÀº µ¿½É¿ø¿¡ Á¢Çϵµ·Ï ÇÏ¿´´Âµ¥ °¢°¢ÀÇ ½ÃÇè¿¡ »ç¿ëÇÑ ¸ðÇü¸»¶ÒÀº $0^{circ};, 5^{circ};, 10^{circ};, 15^{circ};, 20^{circ};, 25^{circ}$ÀÇ Å¸¼³°æ»ç°¢À» °® ´Â Á÷°æ 5mÀÇ °­ºÀ¿¡ ¸ð·¡¸¦ ÀÔÈù °ÍÀÌ´Ù. Ⱦ¹æÇâÇÏÁßÀ» ¹Þ´Â »Ñ¸®¸»¶Ò¿¡ À־ ½ÇÇèÀ» ÅëÇØ ¾òÀº ÇÏÁߺ¯À§°î¼±À¸·Î ÆÇ´ÜÇØ º¼ ¶§ 1mmÁ¤µµÀÇ È¾¹æÇ⺯À§¿¡¼­´Â Ÿ¼³°æ»ç°¢ÀÌ Ä¿Áú¼ö·Ï Ⱦ¹æÇâÀúÇ׷µµ Ä¿ÁöÁö¸¸ ÃÖÀû Ÿ¼³°æ»ç °¢Àº Ⱦ¹æÇ⺯À§°¡ Áõ°¡ÇÒ¼ö·Ï °¨¼ÒÇϸç 6mmÀÇ È¾¹æÇ⺯À§¿¡¼­´Â $17.5^{circ}$. Ÿ¼³°æ »ç°¢ $0^{circ}$Ⱦ¹æÇâÀúÇ׷¿¡ ´ëÇÑ ÃÖÀû Ÿ¼³°æ»ç°¢¿¡¼­ÀÇ È¾¹æÇâÀúÇ×·ÂÀÇ ºñ´Â Ⱦ¹æÇ⺯À§°¡ Áõ°¡ÇÒ¼ö·Ï °¨¼ÒÇϹǷΠȾ¹æÇ⺯À§°¡ Ä¿Áú¼ö·Ï ¸»¶ÒÀ» °æ»çÁö°Ô ¹èÄ¡ÇÔÀ¸·Î½á ¾ò´Â ÀúÇ×·Â Áõ´ëÈ¿°ú´Â ÁÙ¾îµé °ÍÀ¸·Î ¿¹»óµÈ´Ù.
In order to investigate the influence of installation angle of reticulated root piles(RRP) on their lateral load capacities, model tests of lateral loads on RRP with various installation angles $0^{circ};, 5^{circ};, 10^{circ};, 15^{circ};, 20^{circ};,and 25^{circ}$ are carried out. One set of RRP consists of 12 piles which are installed in circular patterns forming two concentric circles, each of which has 6 piles. Each pile made of a steel bar of 5mm in diameter and 350mm in length, is coated with sand until the bar has the diameter of 6.5mm. According to the test results, RRP's response is travily influenced by the displacement level. At low displacement level(1m), lateral load capacity increases as the installation angle is increased. However, the value of the optimum installation angle decreases as the displacement level is increased. In fact, it is found to be $17.5^{circ}$ at 6mm lateral displacement. The ratios of the lateral resistances for the optimum installation angles to those for the vertical RRP decrease as the lateral displacements are increased. Thus the effect of slant ins angle of RRP is expected to be reduced at higher level of lateral displacement.
 
Ű¿öµå
Installation angle;RRP;Lateral load capacity;Displacement level;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.4, 1997³â, pp.55-66
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447478)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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