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Çѱ¹µµ·ÎÇÐȸ / v.10, no.3, 2008³â, pp.129-138
´º·² ³×Æ®¿öÅ© ¹× ¼±Çü ȸ±Í½ÄÀ» ÀÌ¿ëÇÑ ÁÙ´« ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ÇѰè ÀÀ·Â °è»ê
( Calculation Of Critical Stress On Jointed Concrete Pavement By Using Neural Networks & Linear Regression Models )
°­Å¿í;·ù¼º¿ì;±è¼º¹Î;Á¶À±È£; Áß¾Ó´ëÇб³ °Ç¼³È¯°æ°øÇаú;Áß¾Ó´ëÇб³ °Ç¼³È¯°æ°øÇаú;°æÈñ´ëÇб³ Åä¸ñ°øÇаú;Áß¾Ó´ëÇб³ °Ç¼³È¯°æ°øÇаú;
 
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±âÁ¸ ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ´Ü¸é ¼³°è ½Ã ¹ß»ýÇÏ´Â ¹®Á¦Á¡À» ÇØ°áÇϱâ À§ÇØ À¯ÇÑ ¿ä¼Ò¹ý(FEM)À» ÀÌ¿ëÇÏ¿© °ÍÀÌ ÇϳªÀÇ ¹æ¹ý·ÐÀ¸·Î ºÎ°¢µÇ¾úÀ¸¸ç ÇöÀç Çѱ¹Çü Æ÷Àå ¼³°è¹ý °³¹ß ¿¬±¸¿¡¼­µµ Àû¿ë Áß¿¡ ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ABAQUS¿Í Æ÷Æ®¶õ ÇØ¼® ÇÁ·Î±×·¥À» ÀÌ¿ëÇÏ¿© ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ÇѰè ÀÀ·ÂÀ» °è»êÇÏ¿´°í, ±× °á°ú¸¦ ´º·² ³×Æ®¿öÅ©¿Í ¼±Çü ȸ±Í½ÄÀ» ÀÌ¿ëÇÏ¿© ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ÀÔ·Â º¯¼ö°¡ ¸¹Áö¸¸ ´Ù¾çÇÑ ÇØ¼®À» ÇÏÁö ¸øÇÏ´Â °æ¿ì(ÀԷº¯¼ö 6°³¿¡ ´ëÇØ 81 °æ¿ì ¼ö ÇØ¼®)¿¡ ´ëÇØ ±¸Á¶Çؼ® °á°ú¸¦ ´º·² ³×Æ®¿öÅ©(ÀÌÇÏ NN: Neural Networks)¿Í ¼±Çü ȸ±Í½ÄÀ¸·Î ºñ±³ÇÑ °á°ú, ±¸Á¶Çؼ® °á°ú¿Í ´Ù¼Ò Â÷À̰¡ ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù. ¹Ý¸é ÀÔ·Â º¯¼ö¸¦ ÁÙÀÌµÇ ´Ù¾çÇÑ °æ¿ì¿¡ ÇØ¼®ÇÑ °æ¿ì(ÀÔ·Â º¯¼ö 3°³¿¡ ´ëÇØ 343 °æ¿ìÀÇ ¼ö)ÀÇ ºÐ¼® °á°ú, NN°ú ¼±Çü ȸ±Í½ÄÀÌ ±¸Á¶Çؼ® °á°ú¿Í ¸Å¿ì À¯»çÇÑ °á°ú°¡ ³ªÅ¸³ª´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ÇÏÁö¸¸ ±×·¡ÇÁÀÇ (0,0), (1,1) ºÎºÐ¿¡¼­ NNÀÌ ¼±Çü ȸ±Í½Ä¿¡ ºñÇØ ´õ Á¤È®ÇÑ °ÍÀ» È®ÀÎÇÏ¿´´Ù. ÀÌ¿Í °°Àº ¿¬±¸ °á°ú¸¦ ÅëÇØ¼­ Çѱ¹Çü Æ÷Àå ¼³°è¹ýÀÇ ÇÙ½ÉÀÎ ÀÀ·Â °è»ê ¸ðµâÀ» ¼±Çü ȸ±Í½Äº¸´Ù Á» ´õ Á¤È®ÇÑ NNÀ¸·Î ÇØ¼®ÇÏ´Â °ÍÀ» Á¦¾ÈÇÏ¿´´Ù.
The finite element method(FEM) was one of tools used to solve problem of previous Concrete Pavement and was applied to Korea Pavement Research Program Study. This study used the ABAQUS and the fortran analysis program to calculate the critical stress on jointed concrete pavement and compared and analyzed the results by using neural networks and linear regression model. In that case, which are not enough analysises by using FEM programs though many input variables, when the results of FEM with NN and linear regression models are compared, there are some differences. The other cases, which are reduced input variables and a lot of analysises each of them, results of Neural Networks(NN) and linear regression models are simulated to them of FEM. But, the result of NN is more exact than them of linear regression at the (0,0), (1,1). On the results of this study, it is suggested that the calculation of stress using NN is more compatible to Korea Pavement Research Program Study.
 
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±¸Á¶Çؼ®;´º·² ³×Æ®¿öÅ©;¼±Çü ȸ±Í½Ä;¹Î°¨µµ ºÐ¼®;structural analysis;ABAQUS;neural networks;linear regression model;sensitivity analysis;critical stress;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.3, 2008³â, pp.129-138
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200807653005895)
¾ð¾î : Çѱ¹¾î
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