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Çѱ¹Áö¹Ý°øÇÐȸ / v.27, no.9, 2011³â, pp.25-36
¸ðÇü½ÃÇè°ú ¼öÄ¡ÇØ¼®À» ÀÌ¿ëÇÑ Á¶Àû½Ä ¼®Ãà¿Ëº®ÀÇ °Åµ¿ Ư¼º
( Behavior of Dry-stone Segmental Retaining Wall Using Physical Modeling and Numerical Simulation )
±è¼º¼ö;¸ñ¿µÁø;Á¤¿µÈÆ; °æÈñ´ëÇб³ Åä¸ñ°øÇаú;°æÈñ´ëÇб³ Åä¸ñ°øÇаú;°æÈñ´ëÇб³ Åä¸ñ°øÇаú;
 
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Á¶Àû½Ä ¼®Ãà¿Ëº®ÀÇ °Åµ¿ Ư¼ºÀ» ±Ô¸íÇϱâ À§ÇÏ¿© ½Ç³» ¸ðÇü½ÃÇè°ú ¼öÄ¡ÇØ¼®À» ¼öÇàÇÏ¿´´Ù. ½Ç³» ¸ðÇü½ÃÇè¿¡¼­ ¿Ëº® ºí·Ï°ú µÚä¿òÀçÀÇ º¯À§¸¦ ÃøÁ¤Çϱâ À§ÇØ PIV ±â¹ýÀÇ µðÁöÅÐ À̹ÌÁö ÇØ¼®À» ½Ç½ÃÇÏ¿´´Ù. À¯ÇÑ¿ä¼Ò ¼öÄ¡ÇØ¼®À» À§ÇØ »ó¿ëÇÁ·Î±×·¥ÀÎ ABAQUS¸¦ »ç¿ëÇÏ¿´´Ù. ¸ðÇü½ÃÇè¿¡¼­ °üÂûµÈ µÚä¿òÀçÀÇ º¯À§ ¹ß»ý °úÁ¤Àº ÆÄ±«¸éÀÇ Çü¼ºÀÌ Á¡ÁøÀûÀÓÀ» º¸¿©ÁØ´Ù. ¼öÄ¡ÇØ¼® °á°ú¿¡¼­ ¼®Ãà¿Ëº®ÀÇ ½Ã°ø °úÁ¤¿¡¼­ ¹ß»ýÇÏ´Â ÀüüÀûÀÎ ¼öÆò Åä¾Ð ºÐÆ÷´Â ±âÁ¸ÀÇ Rankine À̷аú Å« Â÷À̰¡ ¾øÁö¸¸, µÚä¿òÀçÀÇ ³»ºÎ ¸¶Âû°¢°ú ¼®ÃàÀ» ±¸¼ºÇÏ´Â ¼®Àç °£ÀÇ ¸¶Âû°¢ÀÌ ÀÛÀ¸¸é Åä¾ÐÀÇ ºÐÆ÷°¡ ºÒ±ÔÄ¢ÇØÁüÀ» È®ÀÎÇÏ¿´´Ù.
The behavior of the dry-stone masonry retaining structure has been investigated via physical model test and numerical simulation. In the model test, the digital image analysis using PIV technique was employed to measure horizontal displacements in the backfill soils and retaining blocks. For finite element numerical analyses, the commercial code, ABAQUS, was used. The horizontal displacements observed in the model test showed that the development of the failure surface is progressive. Numerical results showed that in most cases horizontal earth pressure is distributed similarly to a conventional Rankine¡¯s distribution. However, lower values of the internal friction angle of the backfill soils and interface friction angle in the front blocks produce irregularly nonlinear distribution of the horizontal earth pressure.
 
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Digital image analysis;Finite element analysis;Physical model test;Segmental retaining structure;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.27, no.9, 2011³â, pp.25-36
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201107654735955)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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