³í¹®¸í |
¾Æ¶ó¹Ìµå FRP ½ºÆ®¸³°ú °ÆÇ »çÀÌÀÇ °è¸é ºÎÂøÀÀ·Â¿¡ °üÇÑ ½ÇÇèÀû ¿¬±¸ / Experimental Study on Interfacial Bond Stress between Aramid FRP Strips and Steel Plates |
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¹ÚÀç¿ì(Park, Jai Woo) ; ·ùÀç¿ë(Ryoo, Jae Yong) ; ÃÖ¼º¸ð(Choi, Sung Mo) |
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Çѱ¹°±¸Á¶ÇÐȸ ³í¹®Áý, Vol.27 No.4 (2015-08) |
ÆäÀÌÁö |
½ÃÀÛÆäÀÌÁö(359) ÃÑÆäÀÌÁö(12) |
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FRP ; AFRP ; ¾Æ¶ó¹Ìµåº¸°¼¶À¯ÇÃ¶ó½ºÆ½ ; ºÎÂø°Åµ¿ ; ºÎÂøÀÀ·Â ; ºÎÂøÀÀ·Â-½½¸³°ü°è ; FRP ; AFRP ; Aramid fiber polymer plastic ; Bond behaviour ; Bond strength ; Bond strength-slip relationship |
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º» ¿¬±¸¿¡¼´Â AFRP ½ºÆ®¸³°ú °Àç»çÀÌÀÇ ºÎÂø°Åµ¿¿¡ °üÇÑ ½ÇÇèÀû ¿¬±¸¸¦ ¼öÇàÇÏ¿´´Ù. ½ÇÇèÀû ¿¬±¸¸¦ ÅëÇØ AFRP ÆÇ°ú °ÆÇ»çÀÌÀÇ °è¸éºÎÂø°Åµ¿À» °üÂûÇϰí, °è¸éºÎÂøÀÀ·ÂÀ» »êÁ¤ÇÏ´Â °ÍÀÌ º» ¿¬±¸ÀÇ ¸ñÇ¥ÀÌ´Ù. ½ÇÇ躯¼ö·Î´Â ºÎÂø±æÀÌ¿Í AFRPÀÇ µÎ²²¸¦ ¼±ÅÃÇÏ¿´À¸¸ç, 18°³ÀÇ ÀϸéÀü´Ü½ÃÆí Á¦ÀÛÇÏ¿© ½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. ½ÇÇè°á°ú ºÎÂø±æÀÌ¿Í AFRP µÎ²²°¡ Áõ°¡ÇÔ¿¡ µû¶ó ÇÏÁß°ªÀ» Áõ°¡ÇÏ¿´À¸¸ç, ºÎÂø±æÀÌ ¿Í AFRP µÎ²²°¡ Áõ°¡ÇÔ¿¡ µû¶ó °¢°¢ 63%, 86%ÀÇ ÇÏÁß°ªÀÌ Áõ°¡ÇÏ¿´´Ù. ³¡À¸·Î °Àç¿Í AFRP »çÀÌÀÇ ºÎÂøÀÀ·Â-½½¸³°ü°è¸¦ »êÁ¤ÇÏ¿´´Ù. ºÎÂøÀÀ·Â-½½¸³°ü°è´Â ź¼º¼±Çü°Åµ¿À» º¸À̰í ÀÖÀ¸¸ç, ºÎÂø±æÀÌ¿Í AFRP µÎ²²´Â ºÎÂøÀÀ·Â°ú ÆÄ±«¿¡³ÊÁö¿¡ ¿µÇâÀ» ´ú ¹ÌÄ¡´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. |
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This paper presents the experimental results for the interfacial bond behaviour between AFRP strip and steel members. The objective of this paper is to examine the interfacial behavior and to evaluate the interfacial bond stress between Aramid FRP strips and steel plates. The test variables were bond length and AFRP thickness. 18 specimens were fabricated and one-face shear type bond tests were conducted in this study. There were two types of failure mode which were debonding and delamination between AFRP strip and steel plates. From the test, the load was increased with the increasing of bond length and AFRP thickness, which was observed that maximum increase of 63 and 86% were also achieved in load with the increasing of bond length and AFRP thickness, respectively. Finally, bond and slip characteristics had the elastic bond-slip model and it was observed that bond strength and fracture energy were not affected by bond length and AFRP thickness. |