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Çѱ¹Áö¹Ý°øÇÐȸ / v.11, no.1, 1995³â, pp.23-40
$K_o$-ÀçÇÏ/Á¦ÇÏ¿¡ ÀÇÇÑ °ÇÁ¶¸ð·¡ÀÇ °Åµ¿(II): ´ÙÁֱ⠽ÃÇè
( Behaviour of Dry Sand under $K_o$-Loading / Unloading Conditions(II) : Hysteretic Test )
Á¤¼º±³;Á¤Áø±³; Á¤È¸¿ø, µ¿¾Æ´ëÇб³ Åä¸ñ°øÇаú;Á¤È¸¿ø, µ¿ÀÇ´ëÇб³ Åä¸ñ°øÇаú ±³¼ö, Á¤È¸¿ø, µ¿¾Æ´ëÇб³ Åä¸ñ°øÇаú;
 
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´ÙÁÖ±â Ko-ÀçÇÏ/Á¦ÇÏ ½Ã¿¡ ¼öÆòÀÀ·ÂÀÇ º¯È­Æ¯¼ºÀ» °üÂûÇϱâ À§ÇÏ¿© 7Á¾·ùÀÇ ½ÃÇè¸ðÇüÀ» ¼± Á¤ÇÏ¿´°í, KoÁ¶°ÇÀ» Å©°Ô ¸¸Á·ÇÒ ¼ö ÀÖµµ·Ï Ưº°È÷ °í¾ÈÇѾйиµ ÇüÅÂÀÇ Ko-½ÃÇè±â¸¦ Á¦ÀÛÇÏ¿© ½Ç³» °ÇÁ¶µÈ ¸ð·¡¿¡ ´ëÇÏ¿© ½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. ½ÃÇè¸ðÇüÀº µ¿ÀÏÇÑ ÀçÇÏ/Á¦ÇÏ ÀÀ·ÂÀÇ ¹Ýº¹, ÃÖ´ë¼±ÇàÀÀ·ÂÀ» ÃʰúÇÏ´Â ¹Ýº¹ ÀçÇÏ/Á¦ÇÏ, ±×¸®°í ÃÖ´ë¼±Çà ¿¬Á÷ÀÀ·Â ³»ÀÇ ¹Ýº¹ ÀçÇÏ/Á¦ÇÏ Ko½ÃÇèÀ¸·Î ±¸ºÐµÈ´Ù. ½ÇÇè°á°ú¿¡¼­ ´ÙÁÖ±â À̷¸ðÇüµµ ¿ª½Ã ±âÁ¸ÀÇ ´ÜÁÖ±â À̷¸ðÇüÀ» È®´ëÇÏ¿© »ç¿ëÇÒ ¼ö ÀÖÀ½À» º¸¿´´Ù. ¿©±â¼­, Á¦ÇϽÃÀÇ Áö¼ö (a ¹× a*)¿Í ÀçÀçÇÏ ½ÃÀÇ °è¼ö(mr ¹× mr*)´Â ÀÀ·ÂÀÌ·ÂÀÇ ÇüÅÂ, ¹Ýº¹È¸¼ö ¹× »ó´ë¹Ðµµ¿¡ µû¶ó ÁÖ·Î Áö¹èµÇ¾ú´Ù.
In order to investigate the characteristics of the lateral earth pressure at rest under hysteretic Ko -loading l unloading conditions. Seven types of multicyclic models have been studied experimentally using dry sand. For this study a new type of Ko -oedometer appal attn is developed, and horizontal pressure is accurately measured. The multi cyclic models consist of largely 3 cases : (i) Ko-test under the same loading/unloading condition, (ii) multi-cyclic loading /unloading Ko -test exceeding the maximum prevertical stress, and (iii) multi-cyclic loading l unloading Ko -test within the mazimium prevertical stress. As a result, the multi -cyclic model showed that single-cyclic model could be extended as well, in which the exponents for unloading condition(a and a') and the reloading coefficients(m, and m*) were mainily dependent upon type of stress model, number of cycles and relati ve density.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.11, no.1, 1995³â, pp.23-40
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920445832)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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