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Çѱ¹¼öÀÚ¿øÇÐȸ / v.26, no.1, 1993³â, pp.115-124
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( Design of Edtention Pond and Critical Duration of Design Rainfall in Seoul )
ÀÌÁ¾ÅÂ;À±¼¼ÀÇ; °æ±â´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;°æ±â´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú ±³¼ö, ±Ý¿À°ø°ú´ëÇÐ Åä¸ñ°øÇаú Á¶±³¼ö, °í·Á´ëÇб³ °ø°ú´ëÇÐ Åä¸ñȯ°æ°øÇаú;
 
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º» ¿¬±¸´Â À¯¼öÁö.¹è¼öÆßÇÁÀå¼³°è¸¦ À§ÇÑ °èȹ°­¿ìÀÇ ÀÓ°èÁö¼Ó±â°£ÀÇ °áÁ¤ ¹× ÀÌ¿¡ ±Ù°ÅÇÑ °èȹ À¯¼öÁö.¹è¼öÆßÇÁÀåÀÇ ÀûÁ¤±Ô¸ð ÃßÁ¤¿¡ °üÇÑ °ÍÀÌ´Ù. °èȹ°­¿ìÀÇ Áö¼Ó±â°£°ú ½Ã°£Àû ºÐÆ÷ÇüÀÇ º¯È­¿¡ µû¸¥ ¿µÇâÀ» ÆÄ¾ÇÇϱâ À§ÇÏ¿© 20~240ºÐ ¹üÀ§ÀÇ 9°¡Áö °æ¿ìÀÇ Áö¼Ó±â°£µé°ú HuffÀÇ 4ºÐÀ§¹ý¿¡ ÀÇÇÑ 4Á¾·ùÀÇ °­¿ìºÐÆ÷µéÀ» °ËÅä´ë»ó °­¿ì·Î ¼±ÅÃÇÏ¿´À¸¸ç, À¯ÃâÇØ¼®¸ðÇüÀ¸·Î´Â ILLUDAS¸¦ »ç¿ëÇÏ¿´´Ù. ÀÓ°èÁö¼Ó±â°£ °áÁ¤±âÁØÀ¸·Î¼­ Àú·ùºñ(ÃÑÀ¯Ãâ·®¿¡ ´ëÇÑ ÃÖ´ëÀú·ù·®ÀÇ ºñ)ÀÇ °³³äÀ» µµÀÔÇÏ¿´À¸¸ç, ÀÌ °ªÀ» ÃÖ´ë·Î ÇÏ´Â Áö¼Ó±â°£À» °èȹ°­¿ìÀÇ ÀÓ°èÁö¼Ó±â°£À¸·Î ÇÏ¿´´Ù. º» ¿¬±¸¸¦ À§ÇÏ¿© ¹è¼ö±¸¿ª¸éÀûÀÌ $0.24~12.7 extrm{km}^2ÀÎ$ ¼­¿ï½ÃÀÇ 18°³ À¯¼öÁö.¹è¼öÆßÇÁÀåÀ» ¼±Á¤ÇÏ¿´À¸¸ç, ºÐ¼® °á°ú Àü¹ÝÀûÀ¸·Î 30ºÐ°ú 60ºÐÀÌ ÀÓ°èÁö¼Ó±â°£À¸·Î ³ªÅ¸³µ´Ù. µµÇÑ HuffÀÇ Á¦ 2, 3ºÐÀ§ÇüÀÇ °æ¿ì°¡ Á¦ 1, 4ºÐÀ§Çü º¸´Ù Å« Àú·ùºñ¸¦ º¸¿©ÁÖ¾ú´Ù. ¶ÇÇÑ ÀÓ°èÁö¼Ó±â°£À» °®´Â °­¿ìÁ¶°Ç¿¡¼­ÀÇ ÃÖ´ëÀú·ùºñ¿Í ÷µÎÀÔÃâºñ°£ÀÇ È¸±Í½ÄÀ» Á¦½ÃÇÏ¿´´Ù. ÀÌ °ü°è½ÄÀº À¯¼öÁö ¹è¼öÆßÇÁÀå °èȹ¼ö¸³¿¡ Ȱ¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î ±â´ëµÈ´Ù.
This study is to determine the critical duration of design rainfall and to utilize it for the design of detention pond with pump station. To examine the effect of the duration and temporal distribution of the design rainfall, Huff's quartile method is used for the 9 cases of durations ranging from 20 to 240 minutes with 10 years return period, and the ILLUDAS model is used for runoff analysis. The storage ration which is the ratio of maximum storage amounts to total runoff volume, is introduced to determine the critical duration of design rainfall. The duration which maximizes the storage ratio is adopted as the critical duration. This study is applied to 18 urban drainage watersheds with pump station in Seoul, of which the range of watershed area is $0.24-12.70 extrm{km}^2.$ The result of simulation shows that the duration which maximizes storage ration is 30 and 60 minutes on the whole. It is shown also that the storage ration of 2nd- and 3rd-quartile pattern is larger than that of 1st- and 4th-quartile pattern of temporal distribution. A simplified empirical formula for Seoul area is suggested by using the regression analysis between the maximum storage ration and the peak ratio, and can be utilized for the preliminary design and planning of detention pond with pump station.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.26, no.1, 1993³â, pp.115-124
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199311920094383)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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