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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.4, 1999³â, pp.3-17
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ºñƲ¸²Àü´Ü½ÃÇè¿¡ ÀÇÇÑ ´ëÀÀ·Â¹ÝÀü½Ã ¸ð·¡ÀÇ °Åµ¿
( Behavior of Sand during Large Stress Reversal in Torsion Shear Test ) |
| È«¿øÇ¥;³²Á¤¸¸; Áß¾Ó´ëÇб³ °ø°ú´ëÇÐ °Ç¼³È¯°æ°øÇаú;Á¦ÁÖ´ëÇб³ ÇØ¾ç°úÇдëÇÐ ÇØ¾çÅä¸ñ°øÇаú;
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| ´ëÀÀ·Â¹ÝÀü½Ã ¸ð·¡ÀÇ °Åµ¿À» ¿¬±¸Çϱâ À§ÇÏ¿© ¿©·¯ °¡Áö ÀÀ·Â°æ·Î¿¡ µû¸¥ ºñƲ¸²Àü´Ü½ÃÇèÀÌ ¼öÇàµÇ¾ú´Ù. ÀÀ·Â°æ·Î´Â Å丣ũÀÇ ÀÛ¿ë¹æÇâ¿¡ µû¶ó ½Ã°è¹æÇâ°ú ¹Ý½Ã°è¹æÇâÀ¸·Î ±¸ºÐÇÒ ¼ö ÀÖÀ¸¸ç ´ëÀÀ·Â¹ÝÀüÀ» Æ÷ÇÔÇÏ´Â ÀÀ·Â°æ·Î¿¡ ´ëÇÑ ¼Ò¼ºº¯Çü·üÁõºÐÀÇ ¹æÇâÀÌ ÀÀ·Â»óÅ ¹× ÀÀ·ÂÁõºÐÀÇ ¹æÇâ°ú ºñ±³µÈ´Ù. ÀÌµé ½ÃÇè °á°ú·ÎºÎÅÍ, St, VenantÀÇ ¿ø¸®¸¦ ÀÌ¿ëÇÑ µî¹æ°æÈÀÌ·ÐÀº ÃÖÃÊÀçÇÏ¿Í ÆÄ±«Á¡ ºÎ±Ù¿¡¼ ¼Ò¼ºº¯Çü·üÁõºÐÀÇ ¹æÇâÀÌ ÀÀ·ÂÀÇ ¹æÇâ°ú ÀÏÄ¡ÇÏ´Â ÁÁÀº °á°ú¸¦ ³ªÅ¸³»¾úÀ¸³ª ÀÀ·Â¹ÝÀü¿¡ ÀÇÇÑ °¨Çϰú ÀçÀçÇÏ ºÎºÐ¿¡¼´Â Â÷À̰¡ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. |
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| Torsion shear tests under various stress paths were performed to study the behavior of sand during large stress reversal. The stress paths can be classified into the clockwise and the counterclockwise according to torque applied to specimen, and the directions of plastic strain incremental on the stress paths including large stress reversal are compared with the direction of stress state and stress incremental. From test results, the isotropic hardening theory using the principle of St. Venant desirably showed that direction of plastic strain incremental coincided with stress state on primary loading part and nearby failure point, but it might result in a rough approximation on part of unloading and reloading by stress reversal. |
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| Ű¿öµå |
| Torsion shear test;Stress path;Large stress reversal;Plastic strain incremental;Isotropic hardening.; |
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Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.4, 1999³â, pp.3-17
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921749286)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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