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Çѱ¹Áö¹Ý°øÇÐȸ / v.24, no.4, 2008³â, pp.47-55
·¹µð¹Í½ºÆ® ¼ôÅ©¸®Æ®ÀÇ ÀûÁ¤ °ñÀçÃÖ´ëÄ¡¼ö Á¦¾ÈÀ» À§ÇÑ ±âÃÊÀû ¿¬±¸
( A Fundamental Study for Proper Maximum Size of Coarse Aggregate of Ready-mixed Shotcrete )
¸¶»óÁØ;ÃÖÈñ¼·;±èµ¿¹Î; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý.¹æÀçȯ°æ¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý.¹æÀçȯ°æ¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Áö¹Ý.¹æÀçȯ°æ¿¬±¸½Ç;
 
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°ñ°èÃÖ´ëÄ¡¼ö ¹× °ñÀçÀÇ Ç°Áú»óÅ µîÀÌ ¼ôÅ©¸®Æ®¿¡ ¹ÌÄ¡´Â ¿ªÇÐÀû ¿µÇ⼺À» ½Ç³»½ÇÇè°ú ÇöÀå½ÇÇèÀ» ÅëÇØ Æò°¡ÇÏ¿´´Ù. ½ÇÇè°á°ú °ñ°èÃÖ´ëÄ¡¼ö°¡ 13mm¿¡¼­ 8mm·Î ÀÛ¾ÆÁú¼ö·Ï À¯µ¿ Ư¼ºÀº °¨¼ÒµÇ¾úÀ¸³ª, °æÈ­ ÄÜÅ©¸®Æ®ÀÇ °­µµ ¹× µ¿Åº¼º°è¼ö´Â Å©°Ô Áõ°¡ÇÏ¿´À¸¸ç, ÀÌ·¯ÇÑ °á°ú¸¦ Åä´ë·Î °ñÀçÃÖ´ëÄ¡¼ö 8mmÀÎ °æ¿ì°¡ 10, 13mmÀÎ °æ¿ìº¸´Ù À¯µ¿¼º, ½Ã°ø¼º ¹× ³»±¸¼ºÀÌ ´õ¿í ¿ì¼öÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù. µû¶ó¼­ ¼ôÅ©¸®Æ® ǰÁú°³¼±°ú Àç·áºÐ¸® ÃÖ¼ÒÈ­¸¦ À§ÇØ º» ¿¬±¸¿¡¼­ °³¹ßÇϰíÀÚ ÇÏ´Â ·¹µð¹Í½ºÆ® ¼ôÅ©¸®Æ®ÀÇ ÀûÁ¤ °ñÀçÃÖ´ëÄ¡¼ö´Â °øÀå»ý»ê¹æ½ÄÀ» ÅëÇØ Á¤Á¦µÈ 8mm °ñ°è¸¦ Àû¿ëÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÏ´Ù°í ÆÇ´ÜµÈ´Ù.
This study was carried out to investigate and analyse the influence of maximum size of coarse aggregate and quality control of aggregate on the properties of shotcrete through the laboratory and field test. From the results of the test, as the maximum size of coarse aggregate decreased from 13 mm to 8 mm, plasticity property declined and compressive strength and dynamic modulus of elasticity of hardened concrete increased remarkably, so it was found that the aggregate size 8 mm was superior to 13, 10 mm in fluidity, constructability and durability. Therefore, it was advisable for well maximum size of coarse aggregate to apply to the 8mm aggregates through the Ready-mixed Method for quality control and minimum segregation.
 
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Constructability;Durability;Fluidity;Maximum size of coarse aggregate;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.24, no.4, 2008³â, pp.47-55
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200821036726098)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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