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Çѱ¹Áö¹Ý°øÇÐȸ / v.11, no.4, 1995³â, pp.99-110
¸ð·¡Áö¹Ý³»ÀÇ ¿¬Á÷ Áö¹Ý¾ÞÄ¿ Ç¥¸éÀÇ ¸¶Âû°¢
( Friction Angle on the Surface of Vertical Ground Anchor in Sand )
ÀÓÁ¾Ã¶; Á¤È¸¿ø, ºÎ»ê´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â Á¤±Ô¾Ð¹Ð °ÇÁ¶ ¸ð·¡ Áö¹Ý³»ÀÇ ¿¬Á÷ °­Ã¼ Áö¹Ý¾ÞÄ¿¿¡ ´ëÇÑ ¸ðÇü Àι߽ÇÇèÀ» ½Ç½ÃÇØ¼­ ¾ÞÄ¿ Ç¥¸éÀÇ ¸¶Âû°¢À» ½ÇÃøÇß´Ù. ¸¶Âû°¢Àº ¾ÞÄ¿ Ç¥¸éÀÇ ±íÀÌ ¹æÇâÀ¸·Î ¼³Ä¡µÈ ´Ù¼öÀÇ 2 ¹æÇ⠷ε弿À» »ç¿ëÇØ¼­ ÃøÁ¤µÈ ¼öÁ÷ÀÀ·Â, Àü´ÜÀÀ·ÂÀ¸·Î ±¸Çß´Ù. ½ÇÇèÀº Æò¸éº¯Çü·ü ¾ÞÄ¿¿Í Ãà´ëĪ ¾ÞÄ¿¿¡ ´ëÇØ¼­ ½Ç½ÃÇߴµ¥ ½ÇÇè ºÐ¼® °á°ú, ¾ÞĿǥ¸éÀÇ Ãִ븶Âû°¢Àº Æò¸éº¯Çü·ü ¾ÐÃà½ÃÇè¿¡ ÀÇÇÑ ¹«½ÅÃà¹æÇâÀÇ ¸é»óÀÇ ÀÀ·Â°æ°¢ÀÇ ÃÖ´ëÄ¡¿Í °ÅÀÇ ÀÏÄ¡ÇÑ´Ù´Â °ÍÀ» ¾Ë¾Ò´Ù. ÀÌ °á·ÐÀº ¸ð·¡ÀÇ °­µµ À̹漺°ú ±¸¼Ó¾Ð ÀÇÁ¸¼º µîÀ» °í·ÁÇÏ¿© ¾òÀº °ÍÀ¸·Î ¾ÞÄ¿ Ç¥¸é ¸¶Âû°¢¿¡ ¸ð·¡ÀÇ Àü´ÜÀúÇ×°¢À» Àû¿ëÇØ¼­ ¼³°èÇϸé À§ÇèÃøÀÌ µÈ´Ù´Â °Íµµ ¾Ë ¼ö ÀÖ´Ù.
In this study, friction angles on the surface of vertical rigid ground anchor in normally consolidated dry sand were measured by model pullout tests in laboratory. Friction angles were obtained from the normal and shear stresses measured along depth of the anchor stir face by attaching several 2-dimensional load cells. Model tests were conducted under the plane strain state and axial symmetric state. From the results of tests, it was concluded that the maximum friction angle on the anchor surface coincides nearly with the maximum angle of stress obliquity on the plane of zero-extension direction obtained by plane strain compression test. This result was made with regard to the strength anisotropy and stress dependency of sand. It showed that when angle of shear resistance of the sand is applied to the friction angle of the anchor surface, the design capacity could be less than the applied force, thus making the anchor unsafe.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.11, no.4, 1995³â, pp.99-110
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920446274)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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