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Çѱ¹µµ·ÎÇÐȸ / v.3, no.2, 2001³â, pp.123-130
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Á¶±â±³Åë°³¹æ ÄÜÅ©¸®Æ®ÀÇ °µµÆ¯¼º
( Mechanical Properties of High-Early-Strength Concrete for Early Traffic Opening ) |
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| º» ¿¬±¸´Â ÃʼӰæ½Ã¸àÆ®¸¦ »ç¿ëÇÑ Á¶±â±³Åë°³¹æ ÄÜÅ©¸®Æ®ÀÇ ¿ªÇÐÀû Ư¼ºÀ» Çâ»ó½Ã۱â À§ÇÏ¿© ¼öÇàµÇ¾ú´Ù. ½ÇÁ¦·Î Æ÷ÀåÄÜÅ©¸®Æ®ÀÇ ÇöÀåÁ¶°ÇÇÏ¿¡¼´Â ¿ÜºÎÀû ¶Ç´Â ³»ºÎÀûÀÎ ¿ä¼Ò¿¡ ÀÇÇØ ÄÜÅ©¸®Æ®ÀÇ ¼öºÐ°ú ¿¿¡ ÀÇÇÑ ¼öÃàÀ» ±¸¼ÓÇÔÀ¸·Î½á ÀÎÀåÀÀ·ÂÀÌ ¹ß»ýµÇ¸ç ÀÌ·¯ÇÑ ÀÎÀåÀÀ·ÂÀº ±Õ¿À» ¹ß»ý½ÃÄÑ ÄÜÅ©¸®Æ®ÀÇ ¿ªÇÐÀû ¼º´ÉÀ» °¨¼Ò½ÃŲ´Ù. ÀÌ·¯ÇÑ ÀÎÀåÀÀ·Â¿¡ ÀÇÇÑ ±Õ¿À» Á¦¾îÇÏ´Â µ¥ ÀÖ¾î¼ ÃʼӰæ½Ã¸àÆ® ÄÜÅ©¸®Æ®³»¿¡ ¼¶À¯¸¦ »ç¿ëÇϸé È¿°úÀûÀÌ´Ù. ±¹³»¿¡¼ ¸¹ÀÌ »ç¿ëµÇ°í ÀÖ´Â 3Á¾·ùÀÇ ÃʼӰæ½Ã¸àÆ®¸¦ »ç¿ëÇÏ¿´°í, 2Á¾·ùÀÇ ¼¶À¯¸¦ È¥ÀÔÇÏ¿© ¼¶À¯º¸° ÄÜÅ©¸®Æ®¿Í ÀϹÝÄÜÅ©¸®Æ®¸¦ ºñ±³ÇÏ¿´´Ù. ½ÃÇè°á°ú ÃʼӰæ½Ã¸àÆ®¸¦ »ç¿ëÇÑ ¼¶À¯º¸° ÄÜÅ©¸®Æ®°¡ ÀÏ¹Ý ÄÜÅ©¸®Æ®º¸´Ù ¿ì¼öÇÑ ¿ªÇÐÀû Ư¼ºÀ» ³ªÅ¸³Â´Ù. |
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| This study was performed to enhance mechanical properties of high-early-strength concrete using regulated-set cement for early traffic opening with various mixtures. Restraint of moisture and thermal movements of concrete pavement in actual field conditions, by external or internal restraining factors, generates tensile stresses which introduce microcracks and thus reduce the mechanical properties of concrete. Fiber reinforcement of concrete is an effective approch to the control of microcrack and crack development under tensile stresses. Three different types of regulated-set cement which recently have been used in Korea and two different types of fiber were adopted. Fibers were added and their mixtures are compared with plain high-early-strength concrete mixture. From the test results, fiber reinforced concrete was increased mechanical properties of high-early-strength concrete using regulated-set cement than the plain concrete. |
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| Ű¿öµå |
| Á¶±â±³Åë°³¹æ;¼¶À¯º¸°ÄÜÅ©¸®Æ®;Á¶±â°µµÄÜÅ©¸®Æ®;¹Ì¼Ò±Õ¿;ÃʼӰæ½Ã¸àÆ®;Early traffic opening;Fiber reinforced concrete;High-early-strength-concrete;Microcrack;Regulated-set cement; |
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.3, no.2, 2001³â, pp.123-130
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200115637535015)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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