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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.2, 2002³â, pp.147-160
´ëÇü»ïÃà¾ÐÃà½ÃÇèÀ» ÀÌ¿ëÇÑ ºÏÁ¦ÁÖÇö¹«¾Ï »ç¼®ÀçÀÇ °­µµÁ¤¼ö ¹× Àü´Ü°Åµ¿
( Strength Parameters and Shear Behaviors of North-Cheju Basalt Rubble Using Large-scale Triaxial Test )
Á¤Ã¶¹Î;±èÁ¾¼ö;俵¼ö; Çö´ë»ê¾÷°³¹ß Åä¸ñ¼³°èÆÀ;Çö´ë»ê¾÷°³¹ß Åä¸ñ¼³°èÆÀ;¼ö¿ø´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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¿ì¸®³ª¶ó ÇØ¾ç¼ö»êºÎ(1999) $ulcorner$Ç׸¸ ¹× ¾îÇ×¼³°è±âÁØ$lrcorner$ ¿¡¼­´Â Áß·Â½Ä ¹æÆÄÁ¦ ¶Ç´Â Áß·Â½Ä ¾Èº®ÀÇ ±âÃÊÀÇ ÁöÁö·Â °ËÅä½Ã Bishop¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© ±âÃÊÀÇ ÁöÁö·ÂÀ» °è»êÇÏ´Â °ÍÀ» Ç¥ÁØÀ¸·Î ±ÔÁ¤Çϱ¸ ÀÌ ¶§ »ç¼®ÀÇ °­µµÁ¤¼ö´Â ´ëÇü»ïÃà¾ÐÃà½ÃÇèÀ» ÀÌ¿ëÇÏ¿© Á¤ÇÏ´Â °ÍÀÌ °¡Àå ÇÕ¸®ÀûÀ̳ª ¿©·¯°¡Áö ¿©°Ç»ó ½ÃÇèÀÌ ºÒ°¡´ÉÇÒ °æ¿ì¿¡´Â ÀϺ» Ç׸¸±â¼ú¿¬±¸¼ÒÀÇ $ulcorner$Ç׸¸±â¿¬ÀÚ·á No. 699(â©ß¾, 1991)$lrcorner$¸¦ ÀοëÇÏ¿© ¾Ï¼®ÀÇ ÀÏÃà¾ÐÃà°­µµ°¡ 300 kg/$cm^2$ÀÌ»óÀ̸é Á¡Âø·Â 0.2kg/$cm^2$, ³»ºÎ¸¶Âû°¢ $35^{circ}$$^{circ}$´Â ±â´ëÇÒ ¼ö ÀÖ´Ù´Â °á°ú¸¦ Àοë.Á¦½ÃÇϰí ÀÖ´Ù. ±×·¯³ª ÀÌ¿¡ ´ëÇÑ ±¹³»ÀÇ ¾î¶°ÇÑ °ËÁõµµ ÀÌ·ç¾îÁöÁö ¾Ê¾Ò´Ù. º» ¿¬±¸¿¡¼­´Â ºñ±³Àû ÀÏÃà¾ÐÃà°­µµ°¡ ÀÛÀº ºÏÁ¦ÁÖ ´Ù°øÁú Çö¹«¾Ï »ç¼®À縦 ´ë»óÀ¸·Î ±¹³»ÃÖÃÊ·Î ´ëÇü»ïÃà¾ÐÃà½ÃÇè(°ø½ÃüÁ÷°æ: 30cm, °ø½Ãü³ôÀÌ: 60cm)À» ½Ç½ÃÇÏ¿´´Ù. ½ÃÇè°á°ú ºÏÁ¦ÁÖ Çö¹«¾Ï »ç¼®ÀçÀÇ ÀÏÃà¾ÐÃà °­µµ°¡ 400 kg/$cm^2$º¸´Ù Ŭ °æ¿ì c=0.3kg/$cm^2,phi=36^{circ}$ ÀÇ °­µµÁ¤¼ö¸¦ »ç¿ëÇÒ ¼ö ÀÖÀ½À» Á¦¾ÈÇϰí, ÀÔÀÚÆÄ¼â¿Í ´ÙÀÌ·¯ÅϽ÷Π´ëÇ¥µÇ´Â »ç¼®ÀçÀÇ Àü´Ü Ư¼º¿¡ ´ëÇØ¼­µµ °íÂûÇÏ¿´´Ù.
According to the Korean Design Code for port and harbor facilities, bearing capacity of rubble mound under eccentric and inclined load is calculated by the simplified Bishop method, and strength parameters are recommended to be c=0.2kg/$cm^2$ and phi=35^Pcirc}$ fur standard rubble if the compressive strength of parent rock is greater than 300kg/$cm^2$, according to research results by Junichi Mizukami(1991). But this facts have never been verified in Korea because there was no large-scale triaxial test apparatus until 2000 in Korea. For the first time in Korea, the large-scale triaxial test(sample diameter 30cm ; height 60cm) on the rubble originated from porous basalt rock in North-Cheju was accomplished. Then strength parameters for basalt rubble produced in North-Cheju are recommended to be c:0.3kg/$cm^2; and phi=36^{circ}$ if the compressive strength of parent rock is greater than 400kg/$cm^2$. And the shear behavior characteristics of rubble, represented as particle breakage and dilatancy, are investigated.
 
Ű¿öµå
Dilatancy;Large-scale compression triaxial test;North-Cheju basalt rubble;Particle breakage;Strength parameters;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.2, 2002³â, pp.147-160
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921044189)
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