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Çѱ¹¼öÀÚ¿øÇÐȸ / v.41, no.11, 2008³â, pp.1135-1142
Á¦¹æ ¾ÈÀü°ü¸®¸¦ À§ÇÑ Flex¼¾¼­¿Í FBG¼¾¼­ÀÇ Àû¿ë¼º °ËÅä
( Suitability Examination of Flex sensor and FBG Sensor for Levee Safety Management )
ÀÌÀÎÁ¦;ÀÌÀºÅÂ;°­Á¤ÈÆ;±èµ¿¹Î;Àå±âÅÂ; (ÁÖ) Çѱ¹Á¾ÇÕ±â¼ú ¼öÀÚ¿øºÎ;°æÈñ´ëÇб³ Åä¸ñ°ÇÃà°øÇкΠÅä¸ñ°øÇаú;(ÁÖ)Çѱ¹Á¾ÇÕ±â¼ú ¼öÀÚ¿øºÎ;(ÁÖ)Çѱ¹Á¾ÇÕ±â¼ú ¼öÀÚ¿øºÎ;±Ý¿À°ø°ú´ëÇб³ Åä¸ñȯ°æ°øÇкÎ;
 
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ÇÏõÁ¦¹æÀÇ ºØ±« ¿äÀÎÁß ±¸Á¶¹°(¹è¼öÅë¹®) ÁÖº¯ Á¦¹æÀÇ ºØ±«´Â Àüü ¿äÀÎÀÇ l0% ÀÌ»óÀ» Â÷ÁöÇϰí ÀÖÀ¸¸ç, ƯÈ÷ 2002³â È«¼ö½Ã ³«µ¿°­¿¡¼­ ¹ß»ýÇÑ Á¦¹æ À¯½Ç ÁöÁ¡Àº °ÅÀÇ ¹è¼öÅë¹® ÁÖÀ§¿¡¼­ ¹ß»ýÇÏ¿´´Ù. ÀÌ·¯ÇÑ Á¦¹æ ÆÄ±«´Â ÀÌÁú Àç·áÀÎ Åë¹® ±¸Á¶¹°°ú Á¦Ã¼ Á¢ÇպΠ»çÀÌ¿¡ °ø±ØÀ̳ª °øµ¿ÀÌ Çü¼ºµÈ ÈÄ È«¼ö½Ã ³»ºÎ ħ½ÄÀ¸·Î ÀÎÇØ °øµ¿ÀÌ È®´ëµÇ¾î ¹ß»ýÇÏ´Â ÆÄ±«±¸Á¶¸¦ °¡Áö°í ÀÖ´Ù. ÀÌ·¯ÇÑ »óȲ¿¡¼­ ÇÏõÁ¦¹æÀÇ ¾ÈÀü°ü¸®¸¦ À§ÇØ ¹è¼öÅë¹® ÁÖº¯ÀÇ °øµ¿¹ß»ý ¿©ºÎ ȤÀº °øµ¿³»ÀÇ È帧 ÀÎÁö µîÀ» ¸ñÀûÀ¸·Î ÇÑ ¿¬±¸°¡ ÁøÇàµÇ°í ÀÖÀ¸¸ç, º» ¿¬±¸¿¡¼­´Â Flex¼¾¼­¿Í Fiber bragg grating ¼¾¼­ÀÇ º¯ÀÌ °èÃø¿¡ ´ëÇÑ ½ÇÇèÀ» ÅëÇØ µÎ ¼¾¼­ÀÇ Æ¯Â¡À» ÆÄ¾ÇÇϰí, ÇÏõÁ¦¹æÀÇ ¾ÈÀü°ü¸®¸¦ À§ÇØ º¸´Ù ÀûÇÕÇÑ ¼¾¼­ÀÇ °áÁ¤ÀÌ °¡´ÉÇϵµ·Ï ÇÏ¿´´Ù. ½ÇÇè°á°ú Çö ½ÃÁ¡¿¡¼­ º¯ÀÌ °èÃø°ú °ü·ÃÇÏ¿© °èÃøÄ¡ÀÇ Àϰü¼º, ¹Ì¼Òº¯ÀÌ °èÃø µî Flex¼¾¼­ÀÇ ´ÜÁ¡À» º¸¿ÏÇÒ ¼ö ÀÖ´Â FBG¼¾¼­ÀÇ ¿©·¯ Ư¡À» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
Collapse of the levee surrounding structure(culvert) accounts for l0 % of collapse factors of the river levees. In particular, in 2002, the levee collapse that happened at "Nakdong River" at flood usually happened around culverts. This levee collapse has mechanism that the cavity expands with internal erosion at flood after the pore and cavity are formed between culvert and levee copula which are heterogeneity material. The study regarding the cavity or flowing detection around a culvert for safety management of a river levee is in the proceeding. In this study, the characteristic of two sensors could be figured out through an experiment about displacement measure of Flex sensor and FBG sensor and the decision of more suitable sensor was possible for safety supervision of river levee. According to an experiment result, several characteristics of FBG sensor could be known in consistency of the measure data and minute displacement measure part regarding displacement measure and this characteristic may supplement a shortcoming of Flex sensor at this time.
 
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ÇÏõÁ¦¹æ;¾ÈÀü°ü¸®;FBG¼¾¼­;Flex¼¾¼­;levee;Safety management;FBG sensor;Flex sensor;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.41, no.11, 2008³â, pp.1135-1142
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200834753088134)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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