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Çѱ¹Áö¹Ý°øÇÐȸ / v.4, no.3, 1988³â, pp.5-18
ÀÔ»óü½Ã·áÀÇ °ø±ØºñÀÇ ºóµµºÐÆ÷
( The Frequency Distribution of Void Ratio of Granular Materials )
µµ´öÇö;°íÀ縸;¿À±ÔÅÂ; °Ç±¹´ëÇб³ ³ó°ú´ëÇÐ ³ó°øÇаú;°Ç±¹´ëÇб³ ´ëÇпø ¹Ú»ç°úÁ¤, °Ç±¹´ëÇб³ ´ëÇпø;;
 
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3Á¾ÀÇ ÀÔ»óü½Ã·á¸¦ ´ë»óÀ¸·Î °ø±ØºñÀÇ ºóµµºÐÆ÷, »ó´ë¹Ðµµ Àü´Ü°­µµ µî¿¡ ´ëÇÑ ½ÃÇ迬±¸°á°ú (1) À¯¸®¾ËÀÇ °æ¿ì °ø±ØºñÀÇ ºóµµºÐÆ÷´Â Shahinpoorl°¡ Á¦¾ÈÇÑ À½ÀÇ Áö¼öºÐÆ÷¿¡ Á¢±ÙÇϸç ÀÔÀÚÀÇ ¸ð¾çÀº ±¸Çü¿¡¼­ °¢ÇüÀÇ ¼øÀ¸·Î º¯È­µÇ´Â ¹Ý¸é¿¡ Á¶¹ÐÇÑ °ø±ØÀÇ ºóµµ´Â °¨¼ÒÇϸç BetaºÐÆ÷·Î¼­ Àß ³ªÅ¸³Â´Ù. (2) Àü ½Ã·á¿¡¼­ °ø±ØºñÀÇ Ç¥ÁØÆíÂ÷´Â ½Ã·áÀÇ »ó´ë¹Ðµµ¿Í ÀÔÀÚÀÇ ±¸Çü¼ºÀÌ °¨¼ÒÇÔ¿¡ µû¶ó Áõ°¡ÇÏ¿´´Ù. (3) Àü´Ü°­µµ´Â Æò±Õ°ø±Øºñ¿Í Ç¥ÁØÆíÂ÷ÀÇ ÇÔ¼öÀÏ »Ó¸¸ ¾Æ´Ï¶ó °ø±Øºñ ºÐÆ÷ÀÇ È®À²¹ÐµµÇÔ¼öÀÌ´Ù. (4) °ø±Øºñ´Â Á¤µµºÐÆ÷°¡ Á¶¹ÐÇÑ °ø±ØÂÊÀ¸·Î ±â¿ï¼ö·Ï ½Ã·áÀÇ Àü´Ü°­µµ´Â ´õ Å©¸ç ÀÌÀÇ ¿ªµµ ¶ÇÇÑ °°´Ù.
This study aims at scrutinizing the relationships among the frequency distribution of voids the relative density and the shear strength for the three types of different granular materials. The main results summarized are as follows: (1) The frequency distribution of void ratio of glass beads can be approximated by the negative exponential distribution proposed by Shahinpoor (1981), while as the particle shape changes from spherical to angular the frequency of the denser voids decreases and the distributions are well presented by the beta distribution. (2) For all materials, the standard deviation of void ratio increases with decreasing both the relative density of the material and sphericity of particle. (3) It was found that shear strength of the material was a function of not only the mean void ratio and its standard deviation, but also of the shape of the probability density function of the distribution of void ratio. The more the frequency distribution of void inclines towards the denser voids, the higher the shear strength of the material and vice versa.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.4, no.3, 1988³â, pp.5-18
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198811920443350)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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