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Çѱ¹¼öÀÚ¿øÇÐȸ / v.42, no.6, 2009³â, pp.505-511
»ó¼ö°üÀÇ °ü°æº¯È­°¡ »ó¼ö°ü¸ÁÀÇ ½Å·Úµµ Çâ»ó¿¡ ¹ÌÄ¡´Â ¿µÇâ Æò°¡
( Evaluation of the Reliability Improvement of a Water Distribution System by Changing Pipe )
Àüȯµ·;±è¼®Çö;À¯µµ±Ù;±èÁßÈÆ; ¼­¿ï»ê¾÷´ëÇб³ °Ç¼³°øÇкÎ;Çö´ë°Ç¼³ ±â¼ú°³¹ß¿ø;°í·Á´ëÇб³ °ÇÃà.»çȸȯ°æ°øÇкÎ;°í·Á´ëÇб³ °ÇÃà.»çȸȯ°æ°øÇкÎ;
 
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»ó¼ö°ü¸ÁÀÇ ³ëÈİü ±³Ã¼½Ã ½Å¼³°üÀÇ °ü°æ °áÁ¤Àº »ó¼ö°ü¸ÁÀÇ Àå±âÀûÀÎ ½Å·Úµµ Çâ»ó¿¡ ±â¿©ÇÒ ¼ö ÀÖ´Â Áß¿äÇÑ ¹®Á¦ÀÌ´Ù. ±×·¯³ª ´ë±¸°æ °üÀÇ »ç¿ëÀº °ø»çºñ Áõ°¡¸¦ °¡Á®¿À±â ¶§¹®¿¡ ÀûÀýÇÑ °ü°æÀÇ °áÁ¤À» À§Çؼ­ ´ë±¸°æ °ü »ç¿ë¿¡ µû¸¥ ½Å·Úµµ Çâ»óÁ¤µµ¸¦ Æò°¡ÇØ¾ß ÇÑ´Ù. º» ¿¬±¸¿¡¼­´Â »ó¼ö°ü°æÀÇ º¯È­°¡ »ó¼ö°ü¸ÁÀÇ ½Å·Úµµ Çâ»ó¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡ÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ» Á¦¾ÈÇÑ´Ù. À̸¦ À§ÇÏ¿© Segment ±â¹ÝÀÇ Minimum Cutset ¹× Success Mode Approach¸¦ Ȱ¿ëÇÏ¿© »ó¼ö°ü¸ÁÀÇ ½Å·Úµµ¸¦ »êÁ¤ÇÏ¿´À¸¸ç ½Å·Úµµ Çâ»óÀ» À§ÇÏ¿© ±³Ã¼ÇØ¾ß ÇÒ »ó¼ö°ü°ú °ü°æÀ» À¯ÀüÀÚ ¾Ë°í¸®ÁòÀ» ÀÌ¿ëÇÏ¿© ÃÖÀûÇØ¸¦ ãµµ·Ï ÇÏ¿´´Ù. Á¦¾ÈµÈ ¹æ¹ýÀ» ½ÇÁ¦ »ó¼ö°ü¸Á¿¡ Àû¿ëÇÑ °á°ú »ó¼ö°üÀ» ±âÁ¸ÀÇ ¼³°è¿Í ´Ù¸¥ °ü°æÀ» ÀÌ¿ëÇÒ °æ¿ì ºñ½ÁÇÑ °ø»çºñ·Î Á» ´õ ³ªÀº ½Å·Úµµ Çâ»óÀ» °¡Á®¿Ô´Ù. ±×·¯³ª °ø»çºñÀÇ Áõ°¡À²¿¡ ºñÇÏ¿© ½Å·Úµµ Çâ»óÀÇ È¿°ú´Â Å©Áö ¾Ê¾Ò´Ù. µû¶ó¼­ °ü°æ º¯È­ »Ó ¾Æ´Ï¶ó »ó¼ö°ü¸ÁÀÇ ±¸Á¶ÀûÀÎ º¸°­À̳ª Ãß°¡ÀûÀÎ ¹ëºêÀÇ ¼³Ä¡µµ ÇÔ²² ÇØ¾ß »ó¼ö°ü¸ÁÀÇ ÀüüÀûÀÎ ½Å·Úµµ Çâ»óÀÌ È¿À²ÀûÀ¸·Î ÀÌ·ç¾îÁú °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
When replacing deteriorated pipes, it is important to select pipe diameters of new pipes for improving the long-term reliability of a water distribution system. However, as the use of larger diameter pipes brings cost increase, it is required to evaluate the improvement of the reliability by the use of larger diameter pipes. In this study, we propose a methodology to evaluate the improvement of the reliability by the use of different pipe diameters. For this purpose, we rely on the segment-based minimum cutset method with the success mode approach to evaluate the reliability of a water distribution system and determine which pipes and their diameters will be replaced to improve the reliability using GA, After the suggested method is applied to a real water distribution system, the optimized pipe diameters produces higher reliability of the system than the current ones with the same construction cost. However, compared to the increase rate of the construction cost, the improvement of the reliability is not significant. Thus, in addition to the use the different pipe diameters, the structural modification or adding new valves to the system is necessary to improve the reliability efficiently.
 
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»ó¼ö°ü¸Á;½Å·Úµµ »êÁ¤;À¯ÀüÀÚ ¾Ë°í¸®Áò;°ü°æ;Water Distribution System;Reliability Assessment;GA;Pipe Diameter;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.42, no.6, 2009³â, pp.505-511
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200918839962063)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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