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Çѱ¹Áö¹Ý°øÇÐȸ / v.2, no.2, 1986³â, pp.29-36
¹«ÀÛÀ§ Áøµ¿ ±â¹ýÀ» ÀÌ¿ëÇÑ ±â°è±âÃÊÀÇ Áøµ¿Çؼ®¿¡ °üÇÑ ½ÇÇèÀû ¿¬±¸
( An Experimental Dynamic Analysis of Machine Foundation through Random Vibration Technique )
±è¼öÀÏ;¹Î´ö±â;¿ìÁ¦À±; ¿¬¼¼´ëÇб³ °ø°ú´ëÇÐ;¿ï»ê´ëÇб³ °ø°ú´ëÇÐ, ¿¬¼¼´ëÇб³ ´ëÇпø;;
 
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º» ¿¬±¸¿¡¼­´Â ¹«ÀÛÀ§ Áøµ¿ ±â¹ýÀ» ÅëÇÏ¿© ¹°¼ºÀÌ ¾Ë·ÁÁ® ÀÖÁö ¾ÊÀº ¸ð·¡ Áö¹Ý À§¿¡ ³õÀÎ °­¼º±âÃÊÀÇ ¼öÁ÷ Áøµ¿ °Åµ¿À» ºÐ¼®ÇÏ´Â ¹æ¹ýÀ» Á¦¾ÈÇÏ¿´´Ù. ¼öÁ÷ Áøµ¿ üÇèÀ» À§ÇÑ ¸ðÇü ±âÃÊ´Â Áú·®ºñ¿Í ¹Ý°æÀÌ ´Ù¸¥ 11°³ÀÇ µµÇü ±âÃʸ¦ Á¦ÀÛ »ç¿ëÇÏ¿´À¸¸ç ½ÇÇè Áö¹ÝÀº ¸ð·¡¸¦ ¼ºÅäÇÏ¿© ÀÌ¿ëÇÏ¿´´Ù. ¿¬±¸ °á°ú, º» ¿¬±¸¿¡¼­ Á¦¾ÈµÈ ¹æ¹ýÀº Áö¹ÝÀ» ¹Ý¹«ÇÑź¼ºÃ¼·Î °¡Á¤ÇÑ ´Ü¼øÈ­µÈ ¿¡³Î·Î±×º¸´Ù Á¤È®ÇÑ Áøµ¿ °Åµ¿ÀÌ ÃßÁ¤µÇ¾ú´Ù. º» ¹æ¹ý¿¡ ÀÇÇÑ ÃßÁ¤ °øÁø Áøµ¿¼ö´Â ½ÇÃø °øÁø Áøµ¿¼öµÎ Àß ÀÏÄ¡ÇÏ¿´À¸¸ç, ½ÇÃø º¯À§¿¡ ´ëÇÑ ÃßÁ¤ °øÁø º¯À§ÀÇ ºñ´Â º» ½ÇÇè Áö¹Ý¿¡ ´ëÇÏ¿© 0.5~1.35ÀÇ ¹üÀ§¿¡ ÀÖÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù.
In this study, a random vibration technique to anaiyze the vertical vibration of rigid circular footings on sand whose material properties are not previously determind is proposed. Total of 11 circular model footings varing mass ratio and radius are constructed for the vibration experim eat and the elastic half space is represented by compacted sand layer From the random vibration experiments, it is found that the technique suggested in this study gives more accurate prediction of circular footing behavior under vertical vibration than the simplified analog which assumes the subsoils as elastic half space. The predicted resonant frequene iris agree very well with the measured values from the slnusoidal vibration experiments. The ratio of the predicted resonant amplitudes to the measured values vary between 0.5 and 1,35 for the site used for the vibration experiments in this study.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.2, no.2, 1986³â, pp.29-36
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198611920442674)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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