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Çѱ¹Áö¹Ý°øÇÐȸ / v.23, no.7, 2007³â, pp.17-25
Àΰø½Å°æ¸ÁÀ» ÀÌ¿ëÇÑ ¿¬¾àÁö¹Ý¼ºÅäÀÇ Ä§ÇÏ¿¹Ãø ¿¬±¸
( A Study on the Settlement Prediction of Soft Ground Embankment Using Artificial Neural Network )
±èµ¿½Ä;俵¼ö;±è¿µ¼ö;±èÇöµ¿; (ÁÖ)KCC°Ç¼³, ¼ö¿ø´ëÇб³ Åä¸ñ°øÇаú;¼ö¿ø´ëÇб³ Åä¸ñ°øÇаú;°æºÏ´ëÇб³ Åä¸ñ°øÇаú;°æºÏ´ëÇб³ Åä¸ñ°øÇаú;
 
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¿¬¾àÁ¡ÅäÁö¹Ý¿¡ µµ·Î, ´ë±Ô¸ð ´ÜÁöÁ¶¼º°ø»ç¿¡ µû¸¥ ÁöÁö·ÂÀÇ ºÎÁ·°ú °ú´ëÇÑ Ä§ÇÏ·®À¸·Î ÀÎÇÏ¿© ¿©·¯ °¡Áö ¾î·Á¿î ¹®Á¦°¡ ¹ß»ýÇϸç ÃÖÁ¾ ħÇÏ·® ¹× ħÇϽð£ÀÇ Á¤È®ÇÑ ¿¹ÃøÀº Áö¹Ý°³·®°ø¹ýÀÇ ¼±Á¤Àº ¹°·Ð »ç¾÷ºñ, »ç¾÷±â°£¿¡ Áß´ëÇÑ ¿µÇâÀ» ¹ÌÄ¡°Ô µÈ´Ù. ÇöÀç »ç¿ëµÇ°í Àִ ħÇÏ·® ¿¹Ãø±â¹ýÀ¸·Î´Â TerzaghiÀÇ ¾Ð¹ÐÀÌ·ÐÀ» ÀÀ¿ëÇÑ Asaoka¹ý°ú °æÇè½ÄÀÎ Hyperbolic¹ý, Hoshino¹ý µîÀÌ ÀÖ´Ù. ±×·¯³ª ÀÌ·¯ÇÑ ¹æ¹ýµé¿¡ ÀÇÇÏ¿© ¿¹ÃøµÈ ħÇÏ·®°ú ½ÇÁ¦ ħÇÏ·®ÀÌ Á¤È®È÷ ÀÏÄ¡ÇÏÁö ¾Ê´Â °æÇâÀÌ ÀÖ´Ù°í ¾Ë·ÁÁö°í ÀÖ´Ù. °Ô´Ù°¡ ÀÌ·± ¹æ¹ý µîÀº °èÃø°á°ú°¡ ¾ø´Â ¼³°è´Ü°è¿¡¼­´Â »ç¿ëÇÒ ¼ö ¾ø´Â ´ÜÁ¡À» °¡Áö°í ÀÖ´Ù. º» ³í¹®¿¡¼­´Â ±¹³» ´ÜÁöÁ¶¼º°ø»ç¿¡¼­ÀÇ µ¥ÀÌÅÍ¿Í ´Ù¾çÇÑ Å×½ºÆ® °á°ú°ª¸¦ ÀÌ¿ëÇÏ¿© ¼ºÅä½Ã ħÇϸ¦ º¸´Ù Á¤È®ÇÏ°Ô ¿¹ÃøÇϱâ À§ÇØ Àΰø½Å°æ¸Á ±â¹ýÀÎ Jordan ¸ðµ¨°ú Elman-Jordan ¸ðµ¨À» Àû¿ëÇÏ¿© °¡Àå ÀûÇÕÇÑ ¸ðµ¨±¸Á¶¸¦ ¾ò°íÀÚ ÇÏ¿´´Ù. °³¼±µÈ Àΰø½Å°æ¸Á ¸ðµ¨¿¡ ÀÇÇÑ ¿¹ÃøÄ¡¸¦ ½ÇÃøÄ¡¿Í ºñ±³ÇÏ¿´°í, °á°ú°ª¿¡ ÀÇÇϸé Jordan ¸ðµ¨ÀÌ Elman-Jordan ¸ðµ¨º¸´Ù ½ÇÃøÄ¡¿Í Àß ÀÏÄ¡Çϰí ÄܰüÀÔ ÀúÇ×À» ÀÌ¿ëÇÑ ¿¹ÃøÄ¡°¡ Ç¥ÁذüÀÔ½ÃÇèÀ» ÀÌ¿ëÇÑ °á°úÄ¡º¸´Ù ½ÇÁ¦¿¡ ´õ °¡±õ´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ´Ù. µû¶ó¼­ ´õ ¸¹Àº ÇöÀå½ÇÇè µ¥ÀÌÅͰ¡ È®º¸µÈ´Ù¸é ÄܰüÀÔ½ÃÇèÀ» ÀÌ¿ëÇÑ ¼øÈ¯Çü Àΰø½Å°æ¸Á ±â¹ýÀÌ Ä§ÇÏ·® ¿¹Ãø¿¡ ÀÖ¾î °¡Àå È¿°úÀûÀÎ ¹æ¹ýÀÌ µÉ °ÍÀ̶ó »ç·áµÈ´Ù.
Various geotechnical problems due to insufficient bearing capacity or excessive settlement are likely to occur when constructing roads or large complexes on soft ground. Accurate predictions of the magnitude of settlement and the consolidation time provide numerous options of ground improvement methods and, thus, enable to save time and expense of the whole project. Asaoka's method is probably the most frequently used one for settlement prediction and the empirical formulae such as Hyperbolic method and Hoshino's method are also often used. To find an elaborate method of predicting the embankment settlement, two recurrent type neural network models, such as Jordan model and Elman-Jordan model, are adopted. The data sets of settlement measured at several domestic sites are analyzed to obtain the most suitable model structures. It was shown from the comparison between predicted and measured settlements that Jordan model provides better predictions than Elman-Jordan model does and that the predictions using CPT results are more accurate than those using SPT results. It is believed that RNN using cone penetration test results can be a highly efficient tool in predicting settlements if enough field data can be obtained.
 
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ANN;Elman-Jordan model;Jordan model;Settlement;Soft ground;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.23, no.7, 2007³â, pp.17-25
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200734514821415)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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