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Çѱ¹µµ·ÎÇÐȸ / v.13, no.3, 2011³â, pp.39-49
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Åõ¼ö¼º ¾Æ½ºÆÈÆ®Æ÷Àå ±¸Á¶¼³°è¹æ¹ý¿¡ °üÇÑ ¿¬±¸
( A Study on the Structural Design of Permeable Asphalt Pavement ) |
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| µµ½ÃºÎ µµ·Î¿¡¼ Åõ¼ö¼ºÆ÷ÀåÀÇ È¿¿ë¼ºÀº ³Î¸® Àνĵǰí ÀÖÀ¸³ª, ºø¹°Ä§Åõ·Î ÀÎÇÑ ³ë»óÀÇ ¾àȸ¦ °í·ÁÇÑ Æ÷Àå µÎ²² ¼³°è´Â ¾ÆÁ÷ Á¦½ÃµÇÁö ¸øÇϰí ÀÖ´Ù. µµ½Ã¿¡¼ ºø¹°À» µµ·ÎÆ÷ÀåÀÇ Ç¥¸é¿¡¼ ¹Ù·Î ¹è¼ö½ÃŰÁö ¾Ê°í, Ç¥¸éÀ» Åõ°úÇØ¼ ³ë»óÀ¸·Î ħÅõ½ÃŰ´Â ±¸Á¶¸¦ °®´Â Åõ¼ö¼ºÆ÷ÀåÀº µµ½ÃÈ«¼öÀÇ ¾ïÁ¦, ¹è¼ö½Ã¼³ÀÇ ºÎÇÏ °æ°¨, ÁöÁß»ýÅÂ°è °³¼±, ¿¼¶Çö»ó ¾ïÁ¦ µî ±âÁ¸ ºÒÅõ¼ö¼º Æ÷ÀåÀ¸·Î ÀÎÇØ ¹ß»ýµÇ´Â ¿©·¯ °¡Áö ¹®Á¦¸¦ Àú°¨½Ãų ¼ö ÀÖÀ» °ÍÀ¸·Î ±â´ëµÇ°í ÀÖ´Ù. ±×·¯³ª Åõ¼ö¼ºÆ÷ÀåÀÇ ±¸Á¶¼³°è´Â ºø¹° ħÅõ·Î ³ë»óÀÌ ¾àȵǴ Çö»óÀ» ÀûÀýÈ÷ °í·ÁÇÒ ¼ö ¾ø¾î, Åõ¼ö¼ºÆ÷Àå¿¡ ´ëÇÑ ±¸Á¶¼³°è¹æ¹ýÀº ¾ÆÁ÷ Á¦½ÃµÇÁö ¸øÇϰí ÀÖ´Ù. º» ¿¬±¸¿¡¼´Â ºø¹°¿¡ ÀÇÇÑ ³ë»óÀÇ ¾àÈ Á¤µµ¿¡ ´ëÇÑ ¹®ÇåÀû Á¤º¸¿Í ¿ªÇÐÀû ºÐ¼®À» ÅëÇØ ÀáÁ¤ÀûÀ¸·Î Àû¿ëÇÒ ¼ö ÀÖ´Â Åõ¼ö¼º ¾Æ½ºÆÈÆ®Æ÷ÀåÀÇ ±¸Á¶¼³°è¹æ¹ýÀ» Á¦½ÃÇÏ¿´´Ù. ¹®ÇåÀû Á¤º¸´Â ³ë»óÇÔ¼öºñ°¡ ÃÖÀûÇÔ¼öºñ¿¡¼ 2% Áõ°¡¿¡ µû¶ó ź¼º°è¼ö°¡ 20% °¨¼ÒÇÑ´Ù´Â Á¶°ÇÀ» Àû¿ëÇÏ¿´´Ù. ½ÇÁ¦ ÇöÀåÀ» ´ë»óÀ¸·Î Åõ¼ö¼ºÆ÷ÀåÀ» Àû¿ëÇÒ °æ¿ì À¯ÇÑ¿ä¼Ò ÇØ¼®°á°ú¿Í ±âÁ¸ ¼³°è¹æ¹ý¿¡ ³ë»óÀÇ °µµÀúÇϸ¦ °í·ÁÇÑ °á°ú ±âÁ¸µÎ²²¿¡ 30cm Á¤µµ º¸Á¶±âÃþÀ» º¸°ÇØ¾ß ÇÏ´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. À̰ÍÀº ÀϺ»¿¡¼ Åõ¼ö¼º ¾Æ½ºÆÈÆ®Æ÷ÀåÀÇ ±¸Á¶¼³°è¿¡ Àû¿ëÇϰí ÀÖ´Â Áõ°¡µÎ²²¿Í À¯»çÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. |
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| The porous pavement system is widely considered very effective in urban street because of its various benefits on safety and environment, but the pavement thickness design system has not been established yet. In porous pavement system. rainwater penetrates to the subgrade through porous pavements layers. Porous pavements are expected to reduce or alleviate the problems caused by impermeable pavement layer such as flood damage due to heavy rain in the city, drainage load, disorder in ecosystem, and heat island. However, its structural design methods in traffic roads has not been made mainly because of not being able to consider adequately the effect of rainwater on subgrade strength. In this study, structural design method of porous pavements is suggested after considering the subgrade weakness due to rainwater and numerical mechanical analysis. It is noted that elastic modulus of subgrade is reduced by 20% as subgrade moisture content is increased by 2% at optimum moisture content in the literature review. As a result of both finite element analysis and strength loss of subgrade by the existing design method, it is necessary to increase subbase thickness about 30cm in porous pavements compared with the existing traffic road pavement system. It is similar to premium thickness of structural design of porous pavements in Japan. |
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| Åõ¼ö¼º ¾Æ½ºÆÈÆ®Æ÷Àå;Æ÷À屸Á¶¼³°è;¿¼¶Çö»ó;µµ½ÃÈ«¼ö;porous asphalt pavement;structural design;heat island;urban flood; |
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.13, no.3, 2011³â, pp.39-49
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201131263125261)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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