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Çѱ¹Áö¹Ý°øÇÐȸ / v.20, no.3, 2004³â, pp.97-106
°­°ü ´Ù´Ü ±×¶ó¿ìÆÃ °ø¹ý(UAM)ÀÇ ¼³°è¹ý Á¦¾È
( Suggestion of a Design Method for UAM )
¹ÚÀ̱Ù;ÀÓÁ¾Ã¶; ºÎ»ê´ëÇб³ »ý»ê±â¼ú¿¬±¸¼Ò;ºÎ»ê´ëÇб³ Åä¸ñ°øÇаú;
 
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ÅäÇÇ°í°¡ ³·¾Æ Áö¹ÝÀÇ ÀÚ¸³¼ºÀÌ ÀûÀº Åä»çÃþ, dzȭ¾ÏÃþ¿¡¼­ ½Ã°øµÇ´Â ÅͳΠ±¸Á¶¹°ÀÇ °æ¿ì, ½Ã°øÁß ºØ¶ôÀ» ¹æÁöÇÏ°í ´Ü±âÀûÀÎ ¾ÈÁ¤¼ºÀ» È®º¸Çϱâ À§Çؼ­ º¸Á¶°ø¹ýµéÀÌ »ç¿ëµÇ´Âµ¥ ƯÈ÷, ÅͳÎÀÇ º¸°­°ú Â÷¼öÈ¿°ú¸¦ µ¿½Ã¿¡ ¾òÀ» ¼ö ÀÖ´Â °­°ü ´Ù´Ü ±×¶ó¿ìÆÃ °ø¹ý(Umbrella Arch Method)ÀÌ ¸¹ÀÌ Àû¿ëµÇ°í ÀÖ´Ù. ±×·¯³ª, ±¹³»¿¡¼­´Â ¾ÆÁ÷ º» °ø¹ýÀÇ Àû¿ë¿¡ ÀÖ¾î ¿Ü±¹Àڷᳪ °æÇèÀû ¹æ¹ý¿¡ ÀÇÇÑ ¼³°è ¹× ½Ã°øÀÌ ÀÌ·ç¾îÁö°í ÀÖ´Â ½ÇÁ¤ÀÓÀ» °¨¾ÈÇÒ ¶§, ÇÕ¸®ÀûÀ̰í ÀÌ·ÐÀûÀÎ ¼³°è ¹× ÇØ¼®±â¹ýÀÇ µµÀÔÀÌ ÇÊ¿äÇÏ´Ù. º» ³í¹®¿¡¼­´Â °­°ü ´Ù´Ü ±×¶ó¿ìÆÃ °ø¹ýÀ» Àû¿ëÇÑ NATM ÇöÀå¿¡¼­ °èÃøÀ» ÅëÇØ ÅͳΠ±¼Âø¿¡ µû¸¥ °­°üÀÇ °Åµ¿À» ºÐ¼®Çϰí, UAM ¼³°è½Ã¿¡ Àû¿ëÇÒ ¼ö ÀÖ´Â ÇÏÁ߰踦 Á¦¾ÈÇÏ¿´´Ù. ±×¸®°í, Á¦¾ÈµÈ ÇÏÁ߰踦 ¹ÙÅÁÀ¸·Î ½ÇÁ¦ ÇöÀå¿¡¼­ Àû¿ëÇÒ ¼ö ÀÖ´Â UAMÀÇ ¼³°èÁöħ Áï, °­°ü±æÀÌ$(L_e , L_b)$, Áßø½Ã°ø°Å¸®(x), Ⱦ¹æÇâ ¼³Ä¡°£°Ý µîÀ» °áÁ¤ÇÒ ¼ö ÀÖ´Â ¼³°è¹ýÀ» Á¦¾ÈÇÏ¿´´Ù.
In case of tunnel construction with a shallow soil cover in cohesionless soils or highly weathered rocks, reinforcement measures are required for a tunnel stability during the tunnel construction. Recent developments show that the use of Umbrella Arch Method(UAM) as tunnel reinforcement and water cut-off in domestic projects has increased. Unfortunately, guidelines for the design and construction of UAM have not been established, only empirical designs and applications in tunnel construction have been performed so far. In this study, behaviour of the steel pipes installed on the tunnel roof was analyzed through the monitoring of bending and axial stresses of the pipes with the advance of the tunnel face. The monitoring results were used in the establishment of the loading mechanism around the pipe. This paper suggests, the guidelines used in the determination of the total length, overlapping length and lateral spacing of the reinforcing pipes obtained from the established loading mechanism.
 
Ű¿öµå
Design method for UAM;Loading mechanism;Overlapping length;UAM;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.20, no.3, 2004³â, pp.97-106
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922341615)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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