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Architecture & Urban Research Institute

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³í¹®¸í ÀûÃþ°í¹«¹ÞħÀ¸·Î ³»Áøº¸°­µÈ ±³·®ÀÇ À¯»çµ¿Àû½ÇÇè / Pseudo-Dynamic Test for the Bridges Retrofitted with Laminated Rubber Bearings
ÀúÀÚ¸í °ûÀÓÁ¾ ; Á¶Ã¢¹é½Äº°ÀúÀÚ ; ÇѰæºÀ ; ±è¿µÁø ; °ûÁ¾¿ø
¹ßÇà»ç Çѱ¹ÁöÁø°øÇÐȸ
¼ö·Ï»çÇ× Çѱ¹ÁöÁø°øÇÐȸ ³í¹®Áý, v.9 n.1(Åë±Ç 41È£) (2005-02)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(43) ÃÑÆäÀÌÁö(8)
ISSN 1226525X
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ÁÖÁ¦¾î ³»Áøº¸°­ ; ÀûÃþ°í¹«¹Þħ ; ³³-ÀûÃþ°í¹«¹Þħ ; ¹Þħ±³Ã¼ ; ½Ç¹°Å©±â ; À¯»çµ¿Àû½ÇÇè ; seismic retrofit ; laminated rubber bearing ; bridge bearing replacement ; real scale ; pseudo dynamic test
¿ä¾à1 µµ·Î±³ÀÇ ³»Áø¼³°è±âÁØÀÌ ±¹³»¿¡ µµÀԵǾî Àû¿ëµÈ °ÍÀº 10¿©³â¿¡ ºÒ°úÇϹǷΠ¾ÆÁ÷ ¸¹Àº ±³·®¿¡ ³»Áø¼º´É º¸°­ÀÌ ÇÊ¿äÇÏ´Ù. º» ³í¹®¿¡¼­´Â ¹ÞħÀÌ ³ëÈÄµÈ ±³·®ÀÇ ³»Áø¼º´É º¸°­¹æ¹ýÀ¸·Î¼­ ÀûÃþ°í¹«¹ÞħÀ¸·Î ±³Ã¼ÇÏ´Â ¹æ¹ýÀÇ Å¸´ç¼º¿¡ °üÇÏ¿© ³íÇÏ¿´´Ù. À̸¦ À§ÇÏ¿© ³»Áø»ó¼¼°¡ ¾ø´Â ½Ç¹°Å©±â RC±³°¢ ½ÃÇèü¸¦ Á¦ÀÛÇϰí POT¹Þħ, ÀûÃþ°í¹«¹Þħ(RB), ³³-ÀûÃþ°í¹«¹Þħ(LRB)¸¦ °¢°¢ ¼³Ä¡ÇÏ¿´´Ù. À¯»çµ¿Àû ½ÇÇèÀ» ÅëÇÏ¿© ÀÌµé ½ÃÇèüÀÇ ÁöÁø½Ã °Åµ¿À» ¸ð»çÇÏ°í ¼º´ÉÀ» ºñ±³ÇÏ¿´´Ù. ½ÇÇè°á°ú·ÎºÎÅÍ Á¦¾ÈµÈ ³»Áøº¸°­±â¹ýÀÇ Å¸´ç¼ºÀ» È®ÀÎÇÏ¿´´Ù.
¿ä¾à2 Many highway bridges in Korea need seismic retrofit because only one decade has passed since the seismic design criteria was introduced. For the highway bridges of which bearings are worn and dysfunctional, the validity of seismic retrofit method using laminated rubber bearings was discussed in this study. Real scale RC pier specimens without seismic details were constructed. And then, Pot bearing, Rubber bearing (RB), Lead-rubber bearing (LRB) were applied to these specimens. Through pseudo dynamic test method, dynamic behavior of these RC piers under earthquake was simulated and compared. From the test results, proposed seismic retrofit method was found to be valid.
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