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Çѱ¹µµ·ÎÇÐȸ / v.7, no.4, 2005³â, pp.125-140
ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ¼ÒÀ½ Àú°¨À» À§ÇÑ ÀÓÀÇ °£°Ý ŸÀÌ´× ¼³°è ¹× Àû¿ë
( Noise Reducation of Concrete Pavement through Application of Random Transverse Tining )
¹ÚÁøÈ¸;ÃÖÅÂÈñ;Á¶À±È£; Áß¾Ó´ëÇб³ Åä¸ñ°øÇаú;Áß¾Ó´ëÇб³ Åä¸ñ°øÇаú;Áß¾Ó´ëÇб³ °Ç¼³È¯°æ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ÄÜÅ©¸®Æ® Æ÷Àå¿¡¼­ ¹ß»ýÇÏ´Â ¼ÒÀ½À» Àú°¨½Ã۱â À§ÇÑ ÃÖÀûÀÇ ÀÓÀǰ£°Ý Ⱦ¹æÇâ ŸÀÌ´× ¼³°è °£°ÝÀ» Á¦¾ÈÇÏ¿´´Ù. ±âÁ¸ ¹®ÇåÁ¶»ç¸¦ ¹ÙÅÁÀ¸·Î ¼ÒÀ½ ¹ß»ý¿¡ ´ëÇÑ ¿øÀÎÀ» ±Ô¸íÇÏ¿´°í, LCG(linear congruential generators) ¾Ë°í¸®Áò ÀÌ·ÐÀ» ÀÌ¿ëÇÏ¿© ƯÁ¤ Á֯ļö¿¡ ÁýÁߵǴ ¿¡³ÊÁö¸¦ È¿°úÀûÀ¸·Î ºÐ»ê½Ãų ¼ö Àִ ŸÀÌ´×ÀÇ °£°ÝÀ» ¼³°èÇÏ¿´´Ù. ½Ç³» ½Ã¹Ä·¹ÀÌ¼Ç °á°ú¸¦ ´ë±¸-Æ÷Ç× °í¼Ó±¹µµ ÇöÀå¿¡ Àû¿ëÇÏ¿´°í ±âÁ¸ ±¹³»¿Ü¿¡ Àû¿ëµÈ ÀÓÀǰ£°Ý Ⱦ¹æÇâ ŸÀÌ´× ½Ã°øµµ º´ÇàÇÏ¿© ½Ç³» ¿Ü ¼ÒÀ½ ¹× ±³Åë¼ÒÀ½À» ºñ±³ÇÏ¿´´Ù. ½Ç³» ¿Ü ¼ÒÀ½ ÃøÁ¤ °á°ú, ÇÇÄ¡ ¼ÒÀ½À¸·Î ÀÎÇÑ ¼ÒÀ½À» °¨¼Ò½ÃÅ´À¸·Î½á ÀÓÀǰ£°Ý Ⱦ¹æÇâ ŸÀÌ´× ±¸°£ÀÌ ÀϹݱ¸°£ º¸´Ù ³·Àº ¼ÒÀ½µµ¸¦ º¸¿´À¸³ª, ±× È¿°ú°¡ Å©Áö ¾Ê¾Ò´Ù. ±³Åë ¼ÒÀ½ ÃøÁ¤¿¡¼­µµ ÀüüÀûÀ¸·Î ÀÏ¹Ý Å¸ÀÌ´× ±¸°£¿¡ ºñÇØ ÀÓÀÇ °£°Ý Ⱦ¹æÇâ ŸÀÌ´× ±¸°£¿¡¼­ ´õ Å« ¼ÒÀ½Àú°¨ È¿°ú¸¦ È®ÀÎÇÒ ¼ö ÀÖ¾úÀ¸³ª, pass-by ¼ÒÀ½ ÃøÁ¤°ú´Â ´Ù¼Ò Â÷À̸¦ º¸¿´´Ù.
This study suggests a suitable random transverse tining for reduction tire/road noise from concrete pavement. Through literature reviews, random transverse tining that can disperse the energy concentrated to the specific frequency was suggested using the LCG(linear congruential generators) algorithm. The spacing of tining from this study is applied to Daegu-Pohang express highway. For the purpose oi comparison, two other random tining sections were included that are research products from Chung-Ang university and Wisconsin DOT. In result of pass-by noise measurement by car, though designed section is superior to the others as noise reduction by reducing pitch noise, the effectiveness is not large. In case of traffic noise measurement, lower noise was observed at random transverse tining sections than uniformly transverse tining section, too. But there are seine differences between pass-by noise and traffic noise.
 
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ÀÓÀǰ£°Ý Ⱦ¹æÇâ ŸÀÌ´×;ŸÀ̾î/Æ÷Àå ¼ÒÀ½;ÇÇÄ¡ ¼ÒÀ½;LCG ¾Ë°í¸®Áò;Á֯ļö ºÐ¼®;random transverse tining;tire road noise;pitch noise;LCG algorithm;frequency analysis;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.4, 2005³â, pp.125-140
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637509548)
¾ð¾î : Çѱ¹¾î
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