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Çѱ¹¼öÀÚ¿øÇÐȸ / v.15, no.2, 1982³â, pp.23-32
Àϰ­¿ì·®°ú 24½Ã°£ °­¿ì·®¿¡ ÀÇÇÑ °­¿ì°­µµ½ÄÀÇ n½Ä °áÁ¤
( Determining "n" Value of Rainfall Intensity-duration Formular Based on the Maximum 24 Hour Rainfall and the Daily Rainfall of a Designated Time )
¾È»óÁø;¹Ú¿µÀÏ; ÃæºÏ´ëÇб³ °ø°ú´ëÇÐ ºÎ±³¼ö(°øÇйڻç);°Ç¼³ºÎ ÇѰ­È«¼öÅëÁ¦¼Ò Á¶»ç°úÀå;
 
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ÇѰ­¼ö°èÀÇ 32°³ °­¿ì·®°üÃøÁöÁ¡¿¡ 7³â°£ ¿ÀÀü 10½Ã Àϰ­¿ì·®°ú ÀÓÀÇ 24½Ã°£ ÃÖ´ë °­¿ì·®°úÀÇ °ü°è¸¦ 506°³ ÀÚ·á·Î¼­ ºÐ¼®ÇÑ °ÍÀÌ´Ù. ¿ì¸®³ª¶ó¿¡¼­ ³Î¸® »ç¿ëÇϰí ÀÖ´Â ¹°ºÎ½ÄÀÇ nÀº 2/3À̹ǷΠÇѰ­¼ö°è¿¡¼­µµ ÀÌ nÄ¡°¡ 2/3°¡ µÇ´Â°¡¸¦ °ËÁõÇϱâ À§ÇÑ °ÍÀÌ´Ù. ±× °á°ú ncl´Â ÁöÇüÀûÀÎ ¿µÇâÀ» ¸¹ÀÌ ¹Þ°í ÀÖÀ¸¸ç, Áö¿ªº° µî¿¡ nÄ¡¼±À» Ç¥½ÃÇÏ¿´´Ù. Àϰ­¿ì·®Àº y(%)=$$·Î¼­ Ç¥½ÃµÇ³ª, Àϰ­¿ì·®ÀÌ 200mm ÀÌ»óÀ̸é 110%¿¡ ÇØ´çÇÏ´Â °ÍÀ» ÀÌ¿ëÇÏ¸é ¾ÈÀüÃøÀÌ´Ù. °ø°ø¼³°è¿¡¼­ °­¿ì°­µµ-Áö¼Ó±â°£ÀÇ ½ÄÀº r$$À¸·Î¼­ f´Â y(%)¸¦ 100À¸·Î ±âÁØÇÑ °ÍÀÌ´Ù. º» ¿¬±¸´Â ´Ü±â°£°­¿ìÀڷḦ »ç¿ëÇÑ °ÍÀ¸·Î¼­ n ¹× f Ä¡ÀÇ Á¤È®ÇÑ »êÁ¤À» À§ÇÏ¿©´Â º¸´Ù ¸¹Àº ¿¬¿ì¿Í Á¤¹ÐÇÑ °ªÀ» ¾òµµ·Ï ³ë·ÂÇØ¾ß ÇÒ °ÍÀÌ´Ù.
This study is to clarify the relation between the maximum 24 hour rainfall and the daily rainfall of a designated time 10 A.M., using the 506 rainfall datum from 32 rain-guage stations on the Han river basin covering a period of 7 years and trying to estimate the ratio of two data in accordance with the amount of rainfall respectively. The Mononobe's formula, which is widely used in this country, has the value of 2/3 power in it. The "n" was considered instead of 2/3 and derivated for each guaging station. The results make it possible to establish the Ison-n value map, and show that the n value is affected mainly by the topographical conditions. The daily rainfall of a designated time can be modified by the results of this study and expressed as Y(%)=218.25/R$$. But in the case of exceeding 200mm/day, it is recommended to use the 110% for safety. On the problems of intensity-duration concerned with the planning of public works, the formula can be expressed as r$$=fRday/24.(24/t)$$, where "f" is Y(%) divided by 100. As this study was done with the datum within shor period, it is necessary to study more about the "n" and "f" value so as to get previse value in the future.o as to get previse value in the future.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.15, no.2, 1982³â, pp.23-32
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198211920090422)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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