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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.11, 2010³â, pp.29-38
¼öÄ¡ÇØ¼®À» ÀÌ¿ëÇÑ °­°üÇÕ¼º ¹«¸®¸»¶ÒÀÇ º¸°­È¿°ú ºÐ¼®
( Reinforcement Effect of Steel-Concrete Composite Group Piles by Numerical Analysis )
Á¤¹®°æ;À̽ÃÈÆ;ÀÌÁÖÇü;°û±â¼®;±è¼º·Ä; ÇѱذǼ³±â¼ú¿¬±¸¿ø Áö¹Ý¿¬±¸½Ç;µ¿¾Æ´ëÇб³ Åä¸ñ°øÇаú;Çѱ¹°É¼³±â¼ú¿¬±¸¿ø Áö¹Ý¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ±âȹÁ¶Á¤Ã³;µ¿¾Æ´ëÇб³ Åä¸ñ°øÇаú;
 
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The steel pipe of steel-concrete composite piles increases the pile strength and induces the ductile failure by constraining the deformation of the hiller concrete. In this research, the load-movement relations and the reinforcement effect by the outer steel pipe in the steel-concrete composite pile were analyzed by performing three-dimensional numerical analyses, which can simulate the yielding behavior of pile material and the elasto-plastic behavior of soils. The parameters analyzed in the study include three pile materials of steel, concrete and composite, pile diameter, pile distance and loading direction. The results showed that the axial capacity of the composite pile was about 90% larger than that of the steel pipe pile while similar to that of the concrete pile. At the allowable movement criteria, the horizontal capacity of the composite pile was about 50% lager than that of the steel pile and about 22% larger than that of the concrete pile.
 
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Drilled shaft;Numerical analysis;Steel-concrete composite pile;Steel casing;Yield behavior;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.11, 2010³â, pp.29-38
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201012259056433)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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