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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.1, 1997³â, pp.123-136
´Ù´Ü°è Åͳα¼Âø½Ã °èÃøµÈ ÁõºÐº¯À§¸¦ ÀÌ¿ëÇÑ ¿ªÇؼ® ±â¹ýÀÇ °³¹ß
( Development of the Back Analysis Technique Using Incremental Displacements Measured in a Multistep Excavation )
ÀÌ¿¬±Ô;ÀÌÁ¤ÀÎ; Á¤È¸¿ø, ¼­¿ï´ëÇб³ °ø°ú´ëÇÐ ºÎ¼³ ¿¡³ÊÁöÀÚ¿ø½Å±â¼ú¿¬±¸¼Ò Ưº°¿¬±¸¿ø;Á¤È¸¿ø, ¼­¿ï´ëÇб³ °ø°ú´ëÇÐ;
 
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±¸Á¶¹°ÀÇ Çü»ó º¯È­¸¦ ¿¬¼ÓÀûÀ¸·Î °í·ÁÇÒ ¼ö ÀÖ´Â À¯ÇÑ¿ä¼Ò¹ý ¿ø¸®¿¡ ±âÃÊÇÏ¿© ź¼ºÁö¹Ý³»¿¡ ´Ü°èÀû Åͳα¼Âø½Ã ÀÓÀÇÀÇ ±¼Âø´Ü°è¿¡¼­ ¹ß»ýÇÑ ÁõºÐº¯À§¿Í ±¼ÂøÀü ¾Ï¹Ý³»¿¡ Á¸ÀçÇÏ´Â ÃʱâÀÀ·ÂÀÇ Å©±â°¡ ¼±Çü°ü°è¿¡ ÀÖÀ½À» À¯µµÇÏ¿´´Ù. Áï, ÃѺ¯À§°¡ ¾Æ´Ñ ÀÓÀÇ ´Ü°è¿¡¼­ °èÃøµÈ ÁõºÐº¯À§¸¸À¸·Î ź¼ºÁö¹Ý³» ÃʱâÀ½·ÂÀÇ ¿ª»êÀÌ °¡´ÉÇÔÀ» ÀÌ·ÐÀûÀ¸·Î Áõ¸íÇÏ¿´´Ù. ÀÌ·¯ÇÑ ÀÌ·ÐÀû °ü°è½Ä¿¡ ±âÃÊÇÏ¿© ´Ù´Ü°è Åͳα¼Âø½Ã °èÃøµÈ ÁõºÐº¯À§¸¦ ÀÌ¿ëÇÏ¿© ÃʱâÀÀ·ÂÀ» ¿ª»êÇÒ ¼ö ÀÖ´Â ¿ªÇؼ® ÇÁ·Î±×·¥À» ÀÛ¼ºÇÏ¿´´Ù. °£´ÜÇÑ ¿¹Á¦¸¦ ÅëÇÏ¿© ±¸¼ºÇÑ ÇÁ·Î±×·¥ÀÇ Á¤È®¼º°ú ÇöÀå Àû¿ë °¡´É¼ºÀ» °ËÅäÇÏ¿´´Ù.
By applying the finite element theory which is capable of handling the geometrically altered structure in a successive manner, the linear relationship between incremental displacements and the magnitude of the initial stress field was derived. Based on this relationship, back analysis code having the capability of dealing multi-step excavation problem was built and verified With this back analysis code, the measurements of the incremental displacements in a particular excavation step make it possible to back-calculate the initial stress state. illustrative examples showed the applicability of this code to a practical problem.
 
Ű¿öµå
Back analysis;Incremental displacement;Multi-step excavation;Finite element method;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.1, 1997³â, pp.123-136
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447173)
¾ð¾î : Çѱ¹¾î
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