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Çѱ¹µµ·ÎÇÐȸ / v.7, no.3, 2005³â, pp.31-42
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( A Study on the Quality Properties of Porous concrete for Pavement Using Silica Fume and Steel Fiber )
¹Ú½Â¹ü;ÀÌÁØ;¼­´ë¼®;À±ÀǽÄ; Ãæ³²´ëÇб³ Åä¸ñ°øÇаú;Ãæ³²´ëÇб³ Åä¸ñ°øÇаú;Ãæ³²´ëÇб³ Åä¸ñ°øÇаú;Çѱ¹¿øÀڷ¾ÈÀü±â¼ú¿ø;
 
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º» ¿¬±¸´Â µµ·Î¿ë Æ÷ÀåÀç·Î¼­ Æ÷·¯½ºÄÜÅ©¸®Æ®ÀÇ ½ÇÁúÀûÀÎ ÇöÀåÀû¿ëÀ» À§ÇÑ ÀÚ·áÁ¦½Ã¿Í ¼º´ÉÇâ»ó ¹æ¾ÈÀ» µµÃâÇϱâ À§ÇÏ¿© ½Ç¸®Ä«Ç¾°ú °­¼¶À¯ È¥ÀÔ·ü¿¡ µû¸¥ Æ÷Àå¿ë Æ÷·¯½ºÄÜÅ©¸®Æ®ÀÇ ¹°¸® ¿ªÇÐÀû Ư¼º, ³»±¸¼º ¹× ÈíÀ½Æ¯¼ºÀ» Æò°¡ÇÏ¿´´Ù. ½ÃÇè°á°ú, ¸ðµç ½ÃÇèÁ¶°Ç¿¡¼­ Æ÷Àå¿ë Æ÷·¯½ºÄÜÅ©¸®Æ®ÀÇ °ø±Ø·ü°ú Åõ¼ö°è¼ö´Â ±¹³»¿Ü ±âÁØÄ¡ ¹× Á¦¾È°ªÀ» ¸¸Á·½ÃŰ´Â °ÍÀ¸·Î ³ªÅ¸³µ°í, °­µµÆ¯¼ºÀÇ °æ¿ì ¾ÐÃà°­µµ´Â ´ëÇÑÁÖÅðø»ç µµ·Î±âÁØÀÇ ±âÁØÄ¡¸¦ ¸ðµç ¹èÇÕ¿äÀο¡¼­ ¸¸Á·½ÃŰ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸³ª ÈÚ°­µµÀÇ °æ¿ì¿¡´Â °­¼¶À¯ È¥ÀÔ·ü 0.6vol% À̻󿡼­ ÀϺ»ÄÜÅ©¸®Æ®°øÇÐÇùȸ Á¦¾È°ªÀ» ¸¸Á·½ÃŰ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ½Ç¸®Ä«Ç¾°ú °­¼¶À¯¸¦ µ¿½Ã¿¡ È¥ÀÔÇÑ °æ¿ì°¡ ¿ì¼öÇÑ °­µµÆ¯¼ºÀ» ³ªÅ¸³Â´Ù. ¶ÇÇÑ ³»±¸¼ºÀº ¿ªÇÐÀû Ư¼º°ú À¯»çÇÑ °æÇ⼺À» ³ªÅ¸³» ½Ç¸®Ä«Ç¾°ú °­¼¶À¯¸¦ µ¿½Ã¿¡ »ç¿ëÇÑ °æ¿ì°¡ °¡Àå ¿ì¼öÇÑ ³»±¸¼º´ÉÀ» ³ªÅ¸³ÂÀ¸¸ç, ½Ç¸®Ä«Ç¾ 10wt.%¿Í °¢¼¶À¯ 0.6vol.%¸¦ ÇÔ²² »ç¿ëÇÑ °æ¿ì PlainÀÇ °æ¿ì¿¡ ºñÇØ °ñÀçºñ»êÀúÇ×¼ºÀº 27%Á¤µµ, µ¿°áÀÀÇØÀúÇ×¼ºÀº ¾à 60%Á¤µµ °³¼±µÇ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ Æ÷Àå¿ë Æ÷·¯½ºÄÜÅ©¸®Æ®ÀÇ ÈíÀ½Æ¯¼ºÀº ¼ÒÀ½Àú°¨°è¼ö°¡ 0.48·Î ³ªÅ¸³ª 50%¿¡ °¡±î¿î ÈíÀ½¼º´ÉÀ» ¹ßÈÖÇÏ´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
This study evaluates the physical mechanical properties, durability and sound absorbtion of porous concrete for pavement according to content of silica fume and steel fiber to elicit the presentation of data and the way to enhance its function for the practical field application of porous concrete as a material of pavement. The results of the test indicate that in every condition, the void ratio and the coefficient of water permeability of porous concrete for pavement satisfy both the domestic standards and proposition values. Among the properties of strength, the compressive strength satisfies the standards in the specification of Korea National Housing Corporation as for every factor of mixture but in the case of the flexural strength, more than 0.6vol.% of steel fiber satisfied the Japan Concrete Institute proposition values. The mixture of silica fume and steel fiber presents the excellent intensity, though. The case when silica fume and steel fiber are used simultaneously presents the strongest durability because the durability shows the similar tendency to the dynamic characteristics. The case when 10wt.% of silica fume and 0.6vol.% of steel fiber are used at the same time shows that the loss rate of mass by Cantabro test became 27% better and freeze-thaw resistance became 60% better. As for the characteristics of sound absorption of porous concrete for pavement, Noise Reduction Coefficient is 0.48 to prove that it possesses almost 50% sound absorption.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.3, 2005³â, pp.31-42
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637506609)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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