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Çѱ¹µµ·ÎÇÐȸ / v.10, no.3, 2008³â, pp.1-10
´ëº¯ÇüÀ² ½ÃÇèÀ» À§ÇÑ °øÁøÁÖ ºñƳÀü´Ü ½ÃÇè±âÀÇ ¼öÁ¤
( Modifications of RC/TS(Resonant Column and Torsional Shear) Device for the Large Strain )
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±âÁ¸ÀÇ °øÁøÁÖ ºñƳ Àü´Ü ½ÃÇè±â´Â ±æÀÌ¿Í Áö¸§ÀÇ ºñÀ²ÀÌ 2:1ÀÇ ½Ã·á¸¦ »ç¿ëÇϰí ÀÌ´Â °¡Áø ½Ã½ºÅÛÀÇ ÃÖ´ë ȸÀü½Ã ´ë·« 1.5%ÀÇ ÃÖ´ë Àü´Ü º¯ÇüÀ²À» ÀÏÀ¸Å²´Ù. À̹ø ¿¬±¸ÀÇ ¸ñÀûÀº ´ëº¯ÇüÀ» ÀÏÀ¸Å³¼ö ÀÖ´Â °øÁøÁÖ ºñƳ Àü´Ü ½ÃÇè±âÀÇ ¼öÁ¤ÀÌ´Ù. ¼öÁ¤ ÀÛ¾÷À¸·Î´Â °¡Áø½Ã½ºÅÛÀÇ ¿Õº¹°Å¸® ÇѰèÀÇ ±Øº¹À» À§ÇÑ »õ·Î¿î ±âÃÊ ¹Þħ °³¹ß°ú ºñƳ·ÂÀ» Áõ°¡½Ã۱â À§ÇÑ ÄÚÀÏ °¨´Â ¹æ¹ýÀÇ º¯ÇüÀÌ´Ù. °¡Áø ½Ã½ºÅÛÀÇ »õ·Î¿î ÄÚÀϰ¨´Â ¹æ¹ýÀÌ ÀüÀÚ¼® ½Ã½ºÅÛ¿¡¼­ ºñƳ·Â¿¡ ¹ÌÄ¡´Â ¿µÇâÀÌ Æò°¡ µÇ¾ú°í ¸ð·¡¸¦ ½ÃÇèÇÑ ¼öÁ¤µÈ ÀåÄ¡ÀÇ ÀÀ¿ëÀÌ ±â¼úµÇ¾ú´Ù.
Conventional RC/TS(resonant column and torsional shear) device usesa specimen with an aspect ratio(height-to-diameter) of 2:1 and this generates a maximum shear strain in the sample of about 1.5% at the maximum rotation of the drives system. The objective of this study is to modify RC/TS device to generate higher strain amplitude. The modifications include a new base pedestal to overcome the limitations in the travel of the drive system and modification of coil wiring to increase torque. The effects of the new coil wire on torque in the electro magnetic drive system were evaluated and the application of modified device was illustrated using sand soil.
 
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°øÁøÁÖ ºñƳÀü´Ü ½ÃÇè±â;ÀüÀÚ¼®;´ëº¯ÇüÀ²;ºñƳ·Â;RC/TS device;electro magnetic;large strain;torque;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.3, 2008³â, pp.1-10
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200807653005864)
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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