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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.5, 2002³â, pp.169-178
Åä¸ñ¼¶À¯ º¸°­Á¡¼ºÅäÀÇ ÀÀ·Â~º¯ÇüƯ¼º¿¡ ¹ÌÄ¡´Â ÃʱâÀÀ·ÂºñÀÇ ¿µÇâ
( The Influence of Initial Stress Ratio on the Stress~Strain Characteristics of Geosynthetics Reinforced Clayey Soil )
ÀÌÀç¿­;À̱¤ÁØ;±èÀ¯¼º; ÀüºÏ´ëÇб³ Åä¸ñ°øÇаú;¼­³²´ëÇб³ Åä¸ñ°øÇаú;ÀüºÏ´ëÇб³ »çȸ±â¹Ý ½Ã½ºÅÛ°øÇаú;
 
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Åä¸ñ¼¶À¯ º¸°­Á¡¼ºÅäÀÇ ÀÀ·Â~º¯ÇüƯ¼ºÀ» »ïÃà¾ÐÃà½ÃÇèÀ» ÅëÇÏ¿© Á¶»çÇÏ¿´´Ù. ¸ðµç ½ÃÇèÀº0.05kgf/$cm^2$ÀÇ ³·Àº ÀÀ·Â ÁõºÐÀ¸·Î ÇÊ¿äÇÑ À¯È¿ÀÀ·Â ¼öÁرîÁö µî¹æ¾Ð¹Ð ȤÀº À̹æ¾Ð¹ÐÇÑ ÈÄ ¹è¼öÁ¶°ÇÀ¸·Î ¼öÇàµÇ¾ú´Ù. º¸°­Å亮, º¸°­Åä±³´ë, º¸°­¼ºÅä¿Í °°Àº Åä·ù ±¸Á¶¹°ÀÇ °æ¿ì ÀϹÝÀûÀ¸·Î À̹æÀÀ·Â »óÅ¿¡ ÀÖÀ¸¸ç, À̹æ¾Ð¹Ð ¹è¼öÀü´Ü½ÃÇèÀÇ °æ¿ì ÀÌ·¯ÇÑ ÇöÀåÁ¶°ÇÀ» ÀçÇöÇϱâ À§ÇÑ °ÍÀÌ´Ù. ÀÏ·ÃÀÇ ½ÃÇè°á°ú·ÎºÎÅÍ À̹æ¾Ð¹Ð º¸°­Á¡¼ºÅäÀÇ °Åµ¿Àº µî¹æ¾Ð¹Ð º¸°­Á¡¼ºÅäÀÇ ÀÀ·Â~º¯ÇüƯ¼º°ú ¸Å¿ì »óÀÌÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ƯÈ÷, À̹æ¾Ð¹Ð º¸°­Á¡¼ºÅäÀÇ Ãʱ⺯Çü°è¼öÀÇ °æ¿ì µî¹æ¾Ð¹ÐÀÇ °æ¿ì¿¡ ºñÇÏ¿© ÇöÀúÈ÷ ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ, µî¹æ¾Ð¹ÐÀÇ °æ¿ì(¾à 1.0~5.0%)¿¡ ºñÇÏ¿© À̹æ¾Ð¹ÐÀÇ °æ¿ì ¸Å¿ì ³·Àº ÃຯÇü·ü(0.01%)¿¡¼­ º¸°­È¿°ú°¡ ¹ß»ýÇÏ¿´´Ù.
The stress~strain characteristics of geosynthetics reinforced clayey soil were investigated by triaxial compression tests. All the tests were peformed either on unreinforced or reinforced soils under fully drained condition after having been consolidated isotropically or anisotropically to the required level of effective stresses by the small increment of 0.05kgf/$cm^2$. The anisotropically consolidated drained tests were performed to simulate the in-situ condition of reinforced soil structures such as reinforced soil wall, abutment and embankment which are generally in the anisotrpic state. From a series of tests it was ffund that the behavior of the anisotropically consolidated reinforced clayey soils was very different from stress~strain characteristics of consolidated reinferced clayey soils. It was found especially that the initial Young's moduli of anisotropically consolidated reinforced clayey soils were higher than those of isotropically consolidated reinforced clayey soils. It was found also that the reinforcement effect in anisotropically consolidated reinforced soils developed at a much lower level of axial strain(0.01%) compared with isotropically consolidated ones(about 1.0~5.0%).
 
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Anisotropic consolidation;Initial stress ratio;Initial YoungÀÀs Modulus;Reinforcement effect;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.5, 2002³â, pp.169-178
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921407853)
¾ð¾î : Çѱ¹¾î
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