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Çѱ¹¼öÀÚ¿øÇÐȸ / v.33, no.6, 2000³â, pp.725-731
µ¹¸ÁÅ¿¡ ÀÇÇÑ ±³°¢¼¼±¼ ¹æÁö
( Bridge Pier Scour Protection by Sack Gabions )
À±ÅÂÈÆ;±è´ëÈ«;ÀÌÁö¼Û; ÇѾç´ëÇб³ Åä¸ñ°øÇаú;Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¼Ò;°æÀοîÇÏÁÖ½Äȸ»ç;
 
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Experimental studies were conducted in a clear water condition to investigate the functioning of a sack gabion as a scour countermeasure at bridge piers. For different sizes of fill materials of sack gabions no difference was observed in the initial movement of sack gabions. Significant factors on the dislodging of sack gabions are approaching flow depth and velocity, pier width, and thickness and length of sack gabions. It was observed that the stability of the sack gabions is increased in a collective body of riprap stones than the placement of individual riprap stone. The length of a sack gabion has significant effect on its initial movement and the stability of a sack gabion was found to be increased by lengthening the length of gabions. The experimental results were used to derive formulas sizing gabions for scour protection at bridge piers. piers.
 
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µ¹¸ÁÅÂ;Á¤ÁöÇÏ»óÁ¶°Ç;¼¼±¼º¸È£°ø;»ç¼®;¾ÈÁ¤¼º;sack gabion;clear water condition;scour countermeasure;riprap;stability;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.33, no.6, 2000³â, pp.725-731
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011920730215)
¾ð¾î : ¿µ¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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