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Çѱ¹µµ·ÎÇÐȸ / v.10, no.1, 2008³â, pp.11-18
À¯ÇÑ¿ä¼ÒÇØ¼®À» ÀÌ¿ëÇÑ ±³¸éÆ÷ÀåÀÇ ¹æ¼öÃþ¿¡¼­ÀÇ ÀÀ·ÂÇØ¼®
( Stress Analysis in Waterproof Layer on Steel Bridge Deck Pavement Using Finite Element Analysis )
¿ì¿µÁø;ÀÌÇöÁ¾;¹ÚÈñ¹®;ÃÖÁö¿µ; ´ë¸²»ê¾÷±â¼ú¿¬±¸¼Ò Åä¸ñ¼³°èÁö¿øÆÀ;¼¼Á¾´ëÇб³ Åä¸ñȯ°æ°øÇаú;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î½Ã¼³¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î½Ã¼³¿¬±¸½Ç;
 
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º» ³í¹®Àº ÇÏÁßÀçÇϽà °­»óÆÇ±³ÀÇ ¹æ¼öÃþ°ú ±³¸éÆ÷Àå¿¡¼­ ¹ß»ýÇÏ´Â °Åµ¿À» À¯ÇÑ¿ä¼ÒÇØ¼®À» ÅëÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. Æ÷ÀåÇ¥¸é¿¡ ¿¬Á÷¹æÇâÀ¸·Î ÀÛ¿ëÇÏ´Â Â÷·®ÇÏÁß°ú ¼öÆò¹æÇâÀ¸·Î ÀÛ¿ëÇÏ´Â Â÷·®ÀÇ Á¦µ¿ÇÏÁßÀÇ Å©±â¿¡ µû¸¥ Æ÷Àåü¿Í ¹æ¼ö½ÃÆ®¿¡ ¹ß»ýµÇ´Â ÀÀ·ÂÀ» »êÁ¤ÇÏ¿´´Ù. ±×¸®°í °­»óÆÇ µÎ²² ¹× °­¼º. Æ÷ÀåÃþ µÎ²², Â÷·®Á¦µ¿ÇÏÁß, ¿Âµµ µîÀÇ º¯¼ö°¡ Æ÷ÀåüÀÇ ÀÀ·Âº¯È­¿¡ ¾î¶°ÇÑ ¿µÇâÀ» ¹ÌÄ¡´ÂÁö¿¡ ´ëÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. ¹æ¼öÃþÀÇ Àü´ÜÀÀ·ÂÀº °­»óÆÇÀÇ µÎ²²°¡ ¾ã¾ÆÁö°í °­¼ºÀÌ °¨¼ÒÇÒ¼ö·Ï Áõ°¡ÇÏ¿´À¸¸ç, °­»óÆÇÀÇ µÎ²²°¡ 150mmÀÌ»óÀÇ °æ¿ì¿Í ź¼º°è¼ö°¡ $2{ imes}10^{5}MPa$ÀÌ»óÀÇ °æ¿ì¿¡´Â ±× ¿µÇâÀÌ ¹ÌºñÇÏ¿´´Ù ¶ÇÇÑ ±³¸é Æ÷ÀåÀÇ µÎ²²°¡ ¾ã¾ÆÁö°í ¿Âµµ°¡ ³·¾ÆÁú¼ö·Ï ¹æ¼öÃþÀÇ Àü´ÜÀÀ·ÂÀÌ Áõ°¡ÇÏ¿´´Ù. Æ÷Àåü ÇϺο¡¼­ ¹ß»ýÇÏ´Â ÀÎÀ庯Çü·üÀº °í¿Â¿¡¼­ ÃÖ´ë°¡ µÇ¾úÀ¸¸ç µÎ²²°¡ Áõ°¡ÇÒ¼ö·Ï °¨¼ÒÇÏ¿´´Ù.
The behavior of pavement and waterproofing layer on the steel bridge deck system under traffic loading was analyzed using a finite element method in this paper. In the finite element analysis, the othotropic steel bridge deck is represented by equivalent plate using solid element instead of shell element and the interface is assumed perfect bonding state. The effects of several parameters such as thickness of deck, Young's modulus of deck, thickness of pavement, different braking loading, and temperature on the stresses and strain in the interface are investigated for bridge deck pavement. The shear stress of waterproof layer increases with decrease of bridge deck thickness and stiffness. The change of shear stress is negligible when the bridge deck thictaess is greater than 150mm and stiffness is greater than $2{ imes}10^{5}MPa$. As the pavement thickness and temperature decrease, the shear stress in the waterproof layer tends to be increased. The tensile strain at the bottom asphalt layer decreases as the temperature and thickness increase.
 
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¹æ¼öÃþ;À¯ÇÑ¿ä¼ÒÇØ¼®;±³¸éÆ÷Àå;Àü´ÜÀÀ·Â;waterproffing layer;finite element analysis;bridge deck pavement;shear stress;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.1, 2008³â, pp.11-18
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200814364661953)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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