|
|
|
Çѱ¹°ÇÃà½Ã°øÇÐȸ / v.11, no.4, 2011³â, pp.326-332
|
ź¼Ò¼¶À¯½¬Æ® ¿Ã¹æÇâ¿¡ µû¸¥ ÄÜÅ©¸®Æ® ±âµÕ º¸°¼º´É
( The Strengthening Effects of Concrete Columns Confined with Carbon Fiber Sheets along the Fiber Direction ) |
| ±è¾çÁß;È«°©Ç¥; ;;
|
|
|
 |
|
| |
| ÃÊ ·Ï |
| ±¸Á¶¹°ÀÇ ³»·ÂÁõÁø ¹æ¹ýÀ¸·Î Àû¿ëµÇ´Â ¼¶À¯Àç·á¿¡´Â ź¼Ò¼¶À¯¿Í ¾Æ¶ó¹Ìµå¼¶À¯ ºê·Ð¼¶À¯ ¹× À¯¸®¼¶À¯ µîÀÌ ÀÖ´Ù. ÀÌ Áß¿¡¼µµ ź¼Ò¼¶À¯´Â °¡Àå ¸¹ÀÌ ¾²ÀÌ´Â Àç·á·Î¼ ´Ù¸¥ Á¾·ùÀÇ ¼¶À¯¿ÃÀÌ 2¹æÇ⼺ÀÎ ¹Ý¸é ź¼Ò¼¶À¯ ¿ÃÀº 1¹æÇ⼺À¸·Î¼ ºÎÂøµÇ´Â ¼¶À¯¿Ã ¹æÇâÀ¸·Î¸¸ ÀÎÀå³»·Â¿¡ ÀÇÇØ º¸°µÇ¹Ç·Î ÇöÀåÀû¿ë ½Ã ¼¶À¯¿ÃÀÇ ºÎÂø¹æÇâÀÌ ¸Å¿ì Áß¿äÇÑ ¿ä¼ÒÀ̳ª º¸°¼³°è ½Ã ÀÌ¿¡ ´ëÇÑ ¶Ñ·ÇÇÑ µµ½Ã°¡ µÇÁö ¾Ê¾Æ ±¸Á¶Àû Áö½ÄÀÌ ¾ø´Â ÇöÀå±â¼úÀÚ ¶Ç´Â ÀκεéÀÇ ¹«°³³äÀûÀÎ ½Ã°øÀ¸·Î º¸°¼º´ÉÀ» Àü¿¬ È®º¸ÇÏÁö ¸øÇÏ´Â »ç·Ê°¡ Á¾Á¾ ¹ß»ýµÇ°ï ÇÑ´Ù. º» ¿¬±¸´Â ÄÜÅ©¸®Æ® ±âµÕ¿¡ ´ëÇÑ Åº¼Ò¼¶À¯½¬Æ® ¹æÇâ¿¡ µû¸¥ º¸°¼º´ÉÀ» ÆÄ¾ÇÄÚÀÚ °¢ ½ÇÇèüº°·Î ¼¶À¯ ¿ÃÀÇ °æ»ç, ¼öÆò ¹× ¼öÁ÷¹æÇâÀ¸·Î º¸°ÇÑ ÈÄ °¡·ÂÀ» ÅëÇÑ º¸°¼º´ÉÀ» ºñ±³ ºÐ¼®ÇÏ¿© ¼¶À¯¿Ã ¹æÇâÀÌ º¸°¼º´É¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ´ëºñºÐ¼®ÇÔÀ¸·Î¼ ¼¶À¯¹æÇâ¿¡ ´ëÇÑ ÃÖÀûÀÇ º¸°¼³°è ¹æ¾ÈÀ» Á¦½ÃÇϰíÀÚ ÇÏ¿´À¸¸ç, ½ÇÇè°á°ú ¼öÆò¹æÇâÀÇ º¸°¼º´ÉÀº 153.43%ÀÎ ¹Ý¸é ¼öÁ÷º¸°Àº °Ü¿ì 104.61%·Î¼ °ÅÀÇ º¸°È¿°ú°¡ ¾ø´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÀÌ´Â ¼¶À¯¿Ã ¹æÇâÀÇ ÀÎÀå³»·Â ÁõÁø¿¡ µû¸¥ ±¸¼ÓÈ¿°ú¿¡ ÀÇÇÑ º¸°È¿°ú·Î¼ º¸°¼³°è¿Í ÇöÀå°ü¸®¿¡ öÀúÇÑ °ü¸®°¡ Àý´ëÀûÀÌ´Ù. |
|
| Carbon, Aramid, Boron and Glass fibers are used as fibrous materials to promote structural bearing strength. Of these fiber types, carbon fiber is the most commonly used material, and is characterized by having a one-way direction, which is strengthened by tensile strength due to the attached direction only, while other types of fibers are two-way. Therefore, when applied in the field, the attachment direction of fiber is a very important factor. However, when fiber direction is not mentioned in the design drawing, there sometimes is no improvement in structural strength, as the fiber is being installed by a site engineer or workers who lack structural knowledge. The purpose of this study was to propose an optimal direction of carbon fiber through a comparison & analysis of reinforcing efficiency with reinforced experimental columns that used carbon fibers in each of the inclined, horizontal and vertical directions. According to the results, horizontal direction in the reinforced column was improved by 153.43%, but vertical direction was 104.61% only, and it was understood this was due to increased tensile strength along the fiber direction. For this reason, it is necessary to include information regarding fiber direction in design and site management. |
| |
| Ű¿öµå |
| ±¸Á¶º¸°;ź¼Ò¼¶À¯º¸°;ź¼Ò¼¶À¯;¼¶À¯º¸°;strengthening;carbon fiber sheet reinforcing;carbon fiber;sheet reinforcing; |
| |
|
|
 |
|
Çѱ¹°ÇÃà½Ã°øÇÐȸÁö / v.11, no.4, 2011³â, pp.326-332
Çѱ¹°ÇÃà½Ã°øÇÐȸ
ISSN : 1598-2033
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201125153145892)
¾ð¾î : Çѱ¹¾î |
|
| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
|
|
|
|
|
|