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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.2, 2002³â, pp.13-21
S-SRICOS ¹æ¹ý : Á¡¼ºÅäÁö¹ÝÀÇ ±³°¢¼¼±¼±íÀÌ ¿¹Ãø
( 5-SRICOS Method : Prediction of Scour Depth Around Bridge Piers in Cohesive Soils )
°û±â¼®; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Åä¸ñ¿¬±¸ºÎ;
 
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º» ¿¬±¸¿¡¼­´Â ±³°¢ÁÖÀ§¿¡ ¹ß»ýÇÏ´Â ±¹ºÎ¼¼±¼±íÀ̸¦ ¿¹ÃøÇϱâ À§ÇÑ 5-SRICOS ¹æ¹ýÀ» Á¦¾ÈÇÏ¿´´Ù. ±³°¢ÁÖÀ§ÀÇ ½Ã°£¿¡ µû¸¥ ¼¼±¼±íÀÌ º¯È­°î¼±À» ¿¹ÃøÇϱâ À§ÇØ SRICOS ¹æ¹ýÀÌ °³¹ßµÈ ¹Ù ÀÖ´Ù. ÀÌ´Â ÈëÀÇ Æ¯¼º¿¡ ±âÃÊÇÑ ½Ã°£È¿°ú¿Í ¼ö¸®ÇÐÀû ¸Å°³º¯¼ö¸¦ µ¿½Ã¿¡ °í·ÁÇÒ ¼ö ÀÖÀ¸¸ç, SRICOSÇÁ·Î±×·¥À» »ç¿ëÇÏ¿© ½ÇÁ¦ÀÇ ¼ö¹®°î¼±°ú ´ÙÃþÁö¹Ý±¸Á¶¸¦ ó¸®ÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀÌ´Ù. 5-SRICOS ¹æ¹ýÀº ÀÌ SRICOS ¹æ¹ýÀÇ ´Ü¼øÈ­µÈ ÇüÅÂÀÌ´Ù. ¼ö°è»ê¸¸À¸·Î ¼¼±¼±íÀ̸¦ ¿¹ÃøÇÒ ¼ö ÀÖµµ·Ï SRICOS ¹æ¹ýÀ» ´Ü¼øÈ­½ÃŰ´Â ½Ãµµ°¡ ÀÌ·ç¾îÁ³À¸¸ç, ±× °á°ú 5-SRICOS ¹æ¹ý¿¡¼­´Â ´ÜÁö ±³°¢Æø, ±³·® ¼³°èºóµµ, ¼³°èÀ¯¼Ó, ÈëÀÇ Ãʱ⠼¼±¼¼Óµµ¿Í °°Àº 4°¡Áö ¸Å°³º¯¼ö¸¸ÀÌ ¿ä±¸µÈ´Ù. 5-SRICOS ¹æ¹ýÀº SRICOS ¹æ¹ýÀ» »ç¿ëÇÏ¿© °è»êµÈ 55°³ÀÇ ¼¼±¼±íÀÌ¿¡ Àû¿ëÇÏ¿© °ËÁõµÇ¾ú´Ù.
A new method called S-SRICOS is proposed to predict the local scour depth around bridge piers. The S-SRICOS method is a simplified version of the SRICOS method which was developed to predict the scour depth versus time curve around bridge piers. The SRICOS method which considers the time effect based on the soil properties and the hydraulic parameters can handle a multi-flood hydrograph and multi-layer soil systems with the SRICOS program. An attempt was made to simplify the method to the point where only hand calculations would be required. The concept of the equivalent time was developed leer this purpose. The S-SROICOS method requires only 4 parameters such as pier width, design bridge life, design velocity corresponding to the design bridge life, and initial scour rate of the soil. The S-SRICOS method was verified against 55 cases of the scour depth results using the SRICOS method.
 
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Cohesive soils;Equivalent time;Erosion rate;Pier scour;Shear stress;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.2, 2002³â, pp.13-21
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921044080)
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