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Çѱ¹µµ·ÎÇÐȸ / v.10, no.1, 2008³â, pp.135-144
µµ·ÎÆ÷Àå Ç¥¸éÆòź¼º¿¡ µû¸¥ ÁÖÇàÂ÷·®ÀÇ µ¿Àû ÇÏÁß º¯È­ Ư¼º
( Variation of Moving Dynamic Vehicle Loads According to Surface Smoothness of Pavement Systems )
±è¼º¹Î;À̼®±Ù; °æÈñ´ëÇб³ Åä¸ñ°ÇÃà´ëÇÐ Åä¸ñ°øÇÐ;°æÈñ´ëÇб³ Åä¸ñ°ÇÃà´ëÇÐ Åä¸ñ°øÇÐ;
 
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ÁÖÇàÇÏ´Â Â÷·®ÀÌ µµ·ÎÆ÷Àå¿¡ °¡ÇÏ´Â µ¿Àû ÇÏÁßÀº Æ÷ÀåÇ¥¸éÀÇ °ÅÄ¥±â¿¡ µû¶ó ±× Å©±â°¡ º¯È­ÇÏ°Ô µÇ¸ç ¼³°èÇÏÁߺ¸´Ù Å« ÇÏÁßÀÌ ÀçÇÏ µÉ °æ¿ì¿¡´Â Æ÷ÀåÀÇ °ø¿ë¼º¿¡ ¿µÇâÀ» ¹ÌÄ¡°Ô µÈ´Ù. µû¶ó¼­ º» ³í¹®¿¡¼­´Â Æ÷ÀåÇ¥¸éÀÇ Æòź¼º¿¡ ´ëÇÑ ÁöºÒ±ÔÁ¤À» ½Ã¹æ¿¡ Àû¿ëÇÏ¿© Æ÷ÀåÀÇ ¼º´É ¹× ǰÁúÇâ»óÀ» µµ¸ðÇϱâ À§ÇÑ ±âº»¿¬±¸·Î½á µµ·ÎÆ÷ÀåÀÇ Ç¥¸é¿¡ °ÅÄ¥±â°¡ ÀÖÀ» ¶§ ÁÖÇàÂ÷·®¿¡ ÀÇÇÑ µ¿Àû ÇÏÁß Å©±âÀÇ º¯È­¸¦ ºÐ¼®ÇÏ¿´´Ù. ¸ÕÀú Æòź¼ºÀÌ ÁÁÁö ¾ÊÀº ¿À·¡µÈ Æ÷Àå°ú Æòź¼ºÀÌ ÁÁÀº »õ·Î¿î Æ÷Àå¿¡¼­ ±¸ÇÑ Æòź¼º µ¥ÀÌÅ͸¦ ÀÌ¿ëÇÏ¿© ±¸Á¶Çؼ®À» ¼öÇàÇÔÀ¸·Î½á ÀÌ·¯ÇÑ Æ÷Àå¿¡¼­ Â÷·®ÀÌ ÁÖÇàÇÒ ¶§ µ¿Àû ÇÏÁßÀÇ Å©±â º¯È­¸¦ ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ±×¸®°í Â÷·®¼Óµµ¿Í Ç¥¸é °ÅÄ¥±âÀÇ ÁøÆø ¹× ÆÄÀåÀÌ Â÷·® µ¿Àû ÇÏÁß Å©±â¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» °¡»óÀÇ Æòź¼º µ¥ÀÌÅ͸¦ ±¸¼ºÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. ÀÌ·¯ÇÑ Ç¥¸é °ÅÄ¥±â¿¡ ÀÇÇÑ µ¿Àû Â÷·®ÇÏÁß Å©±âÀÇ Áõ°¡´Â Æ÷ÀåÀÇ ÀÀ·Â ¹× º¯Çü·ü¿¡ ¿µÇâÀ» ¹ÌÄ¡¸ç ±Ã±ØÀûÀ¸·Î Æ÷ÀåÀÇ °ø¿ë¼º°ú ¿¬°üµÇ±â ¶§¹®¿¡ Ç¥¸é °ÅÄ¥±â¿Í Æ÷ÀåÀÇ °ø¿ë¼º°úÀÇ °ü°è¸¦ À¯ÃâÇÏ´Â ¹æ¹ýÀ» Á¦½ÃÇÏ¿´´Ù
The dynamic loads imposed by moving vehicles have variations in the magnitude due to the surface roughness of the pavement systems and the larger dynamic loads than the design loads may affect the pavement performance. This paper presents variations of the moving dynamic vehicle loads due to the pavement surface roughness. This study was performed as a basic study to apply the pay factor to the surface roughness for the improvement of pavement quality and performance. The profile data was obtained from the old and new pavements and the analysis was performed to investigate the dynamic loads when vehicles move on the pavements having those profiles. The artificial profiles were also developed to find the effects of the vehicle speed, wavelength and amplitude of the surface roughness on the dynamic vehicle loads. The increase in the load magnitude due to the surface roughness affects the stresses and strains of pavements and finally reduces the pavement life. The methodology to obtain the relationship between the surface roughness and the pavement performance was proposed in this study.
 
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Æòź¼º;ÁöºÒ±ÔÁ¤;µ¿Àû ÇÏÁß;Ç¥¸é °ÅÄ¥±â;Æ÷Àå ¼ö¸í;°ø¿ë¼º;smoothness;pay factor;dynamic load;surface roughness;pavement life;performance;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.1, 2008³â, pp.135-144
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200814364662040)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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