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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.3, 2010³â, pp.5-12
¹Ýº¹Àü´Ü ¹æÇâÀÇ ¿µÇâ¿¡ µû¸¥ GBFSÀÇ ÁöÁøÈÄ Ä§ÇÏ °Åµ¿
( The Effect of Shear Direction on the Behavior of the Post-earthquake Settlement of GBFS )
¹é¿øÁø;¼ÛÀü¹Ú;¹Ú°æÈ¯;±èÁø¿µ; Àü³²´ëÇб³ Áö¿ª.¹ÙÀÌ¿À½Ã½ºÅÛ°øÇаú;ÀϺ»Áö¹Ý°øÇÐȸ, ¾ß¸¶±¸Ä¡´ëÇÐ °øÇкΠ»çȸ°Ç¼³°øÇаú;¼øÃµÁ¦ÀÏ´ëÇб³ Åä¸ñ°øÇаú;Àü³²´ëÇб³ Áö¿ª.¹ÙÀÌ¿À½Ã½ºÅÛ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ÁöÁøÈÄÀÇ Ä§ÇÏ¿¡ ¹ÌÄ¡´Â ¹Ýº¹ Àü´Ü¹æÇâÀÇ ¿µÇâÀ» ¸íÈ®È÷ Çϱâ À§ÇØ£¬ ÀϺ»ÀÇ Ç¥ÁØ»çÀÎ Toyoura sand¿Í õ¿¬¸ð·¡ÀÎ Genkai sand ¹× °í·Î¼ö¼â½½·¡±×(GBFS)¿¡ ´ëÇØ¼­ ´ÙÃà(´Ù¹æÇâ) Àü´Ü½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. °ø½Ãü´Â ³ôÀÌ 75mm, Á÷°æ 20mmÀÌ´Ù. ÀÏ·ÃÀÇ ½ÇÇè¿¡¼­, º¯Çü·ü ¹Ýº¹ ÀçÇÏȸ¼ö n=5, 20, 30, 100, 200ȸ·Î º¯È­½ÃÄÑ ÇàÇÏ¿´À¸¸ç, Àü´Üº¯Çü·ü ÁøÆøÀº 0.1%¿¡¼­ 1.0%±îÁö º¯È­½ÃÄ×´Ù. °¢ °ø½ÃüÀÇ »ó´ë¹Ðµµ´Â 50, 60, 70%¸¦ ´ë»óÀ¸·Î ÇÏ¿´´Ù. Toyoura sand¿Í °í·Î¼ö¼â½½·¡±×¿¡ ´ëÇÑ ½ÇÇè°á°ú·ÎºÎÅÍ, ¹Ýº¹Àü´ÜÈÄÀÇ Ä§ÇÏ´Â »ó´ë¹Ðµµ°¡ ÀÛÀ»¼ö·Ï Å©°Ô µÇ¸ç, Àü´Üº¯Çü·ü ÁøÆøÀÇ Áõ°¡¿Í ´õºÒ¾î Å©°Ô ³ªÅ¸³µ´Ù. ¹Ýº¹Àü´Ü ¹æÇâÀÇ Â÷ÀÌ¿¡ µû¸¥ ¿µÇâÀÌ °¨¼ÒÇÑ ÈÄ¿¡ Toyoura sandÀÇ Àü´ÜÈÄÀÇ Ä§ÇÏ´Â ÀÏÁ¤Ä¡¿¡ ¼ö·ÅÇÏÁö¸¸, °í·Î¼ö¼â½½·¡±×´Â ¹Ýº¹Àü´Üȸ¼öÀÇ Áõ°¡¿Í ´õºÒ¾î Áõ°¡µÇ¾ú´Ù. ¶ÇÇÑ, ¹Ýº¹Àü´ÜÈÄÀÇ Ä§ÇÏ´Â Kaolinite > Toyoura sand > Genkai sand > GBFSÀÇ ¼øÀ¸·Î ³ªÅ¸³µ´Ù.
In this study, in order to clarify the effect of the direction of cyclic shear on the post-earthquake settlement the multi-directional shear tests were carried out for Toyoura Japan standard sand, Genkai natural sand, Kaolinite and the Granulated Blast Furnace Slag (GBFS). The diameter and the height of the specimen are 75 mm and 20 mm, respectively. In a series of tests, the number of strain cycles was adjusted as n=5, 20, 30, 100, 200 and the shear strain amplitudes were varied from 0.1% to 1.0%. The relative densities of each samples were also adjusted as Dr=50, 60 and 70%. From the test results for Toyoura sand and GBFS, it is clarified that the post-earthquake settlement is relatively large at the small relative density and becomes large with the shear strain amplitude. When the influence of difference on the direction of cyclic shear decreases, the post-earthquake settlement strain for Toyoura sand is converged to a constant value, but the GBFS increases with the number of strain cycles. In addition, the post-earthquake settlement is in the order of Kaolinite > Toyoura sand > Genkai sand > GBFS.
 
Ű¿öµå
Granulated blast furnace slag;Multi-directional shear;Post-earthquake settlement;Shear strain amplitude;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.3, 2010³â, pp.5-12
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201020439056369)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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