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Çѱ¹Áö¹Ý°øÇÐȸ / v.3, no.2, 1987³â, pp.7-16
¸ð·¡ÀÇ ÀÔµµ°¡ µ¿Àû Ư¼º¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects of Gradation on Dynamic properties of Sands )
¼ÛÁ¤¶ô;±è¼öÀÏ; Á¤È¸¿ø, Àü The University of Texas at Austin Research Engineer Associate II;Á¤È¸¿ø, ¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;
 
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ÈëÀÇ µ¿Àû Ư¼ºÀº °ø±Øºñ, ±¸¼Ó¾Ð·Â, ÀÔµµ µîÀÇ ¿©·¯°¡Áö ¿äÀο¡ ÀÇÇØ¼­ º¯È­ÇÑ´Ù. º» ¿¬±¸¿¡¼­´Â ¸ð·¡ÀÇ ÀÔµµ°¡ ±× µ¿Àû Ư¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ±¸¼Ó¾Ð·Â°ú °ø±ØºñÀÇ ¿µÇâ°ú ÇÔ²² ½ÇÇèÀûÀ¸·Î »ìÆì º¸¾Ò´Ù. ½ÇÇè °á°ú, Àü´Üź¼º°è¼ö(Shear Modulus)¿Í °¨¼èºñ (Damping Ratio)´Â °ø±Øºñ°¡ °¨¼Ò ÇÔ¿¡ µû¶ó, ±×¸®°í ±¸¼Ó¾Ð·ÂÀÌ Áõ°¡ÇÔ¿¡ µû¶ó °¢Ä« Áõ°¡ ¹× °¨¼ÒÇÏ¿´´Ù. ÇÑÆÝ, ½ÇÆ® Å©±âÀÇ ¼®¿µºÐ¸»À» ¼¯¾î ÀÔµµ¸¦ º¯È­½ÃÄ×À» ¶§, ½Ã·áÀÇ Àü´Üź¼º°è¼ö¿Í °¨¼èºñ´Â ¼®¿µ ºÐ¸»ÀÇ ÇÔÀ¯·®ÀÌ Áõ°¡ÇÔ¿¡ µû¶ó °¢°¢ °¨¼Ò ¹× Áõ°¡ÇÏ¿´´Ù. ¿©±â¼­´Â ÀÌ Çö»óÀ» "À¯È¿ Á¢Ã˼ö"¿Í "»ç°ø°£"ÀÇ °³³äÀ» ½á¼­ ¹Ì½ÃÀûÀ¸·Î »ìÆìº¸¾Ò´Ù. °³³äÀ» ½á¼­ ¹Ì½ÃÀûÀ¸·Î »ìÆìº¸¾Ò´Ù.
The dynamic properties of soils are affected by parameters like, gradation characteristics, void ratio, confining pressure, etc. . This study mainly investigated experimentally the effect of gradation on the dynamic properties of sands with the effect of void ratio and confining pressure. Test results showed that shear modulus/damping ratio was increased/decreased with the decrease of void ratio and with the increase of confining pressure. When the fine content increased, shear modulus/damping ratio was decreased/increased. This study explained this phenomenon by the concept of the "effective number of contacts" and the "dead space".ot;dead space".uot;.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.3, no.2, 1987³â, pp.7-16
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198711920442920)
¾ð¾î : Çѱ¹¾î
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