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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.3, 2005³â, pp.55-63
À̵¿ÇÏÁß¿¡ ÀÇÇÑ ÁöÁßÀÀ·Â ÇØ¼®
( The Interpretation on Underground Stress of Soil Layer Subjected to Moving Repeated Loads )
¹ÚÈï±Ô;±è´ë¿µ; °üµ¿´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;Çö´ë°Ç¼³(ÁÖ) ±â¼ú¿¬±¸¼Ò;
 
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º» ¿¬±¸´Â ¸ðÇü½ÇÇèÀ» ÅëÇÏ¿© ÁöÁßÀÀ·Â ºÐÆ÷»óŸ¦ ±âÁ¸ÀÇ Boussinesque, Westergaard, K$""{o}$ogler, NewmarkÀÇ À̷нݪ°ú Model Test¿¡ ÀÇÇÑ ½ÇÇè°ªÀ» ºñ±³ °ËÅäÇÏ¿´´Ù. º» ¸ðÇü½ÇÇè °á°ú ±íÀ̺° ÀçÇÏÇÏÁß¿¡ ÀÇÇÑ ÁöÁßÀÀ·ÂÀÇ º¯È­´Â WestergaardÀ̷аú °¡Àå À¯»çÇÏ°Ô ³ªÅ¸³µÀ¸¸ç, ÆÐÇÏÇÏÁßÀÇ Áõ°¡¿¡ µû¶ó ÁöÁßÀÀ·ÂÀº °ÅÀÇ Á÷¼±ÀûÀ¸·Î Áõ°¡ÇÏ´Â °æÇâÀ» º¸¿´°í, À̷нİú ºñ±³ÇÏ¸é ±íÀÌ 15cm ±îÁö´Â Å©°Ô ³ªÅ¸³µÀ¸³ª ±× ÀÌÇÏÀÇ ±íÀÌ¿¡¼­´Â ÀÌ·Ð½Ä º¸´Ù ÀÛ¾ÆÁö´Â °æÇâÀÌ ³ªÅ¸³µ´Ù. ÀçÇÏÇÏÁß(${sigma}r$)°ú ÁöÁßÀÀ·Â$Deltasigma$)ÀÇ »ó°ü°ü°è½ÄÀº $Deltasigma;=; 0.009cdot{sigma}r-0.1$(±íÀÌ 60cm)·Î ³ªÅ¸³µ´Ù.
In this research, we have compared and analyzed the value driven from theoretical equation of Boussinesque, Westergaard, Newmark and K$""{o}$ogler with our experimental value from the model test on the underground stress distribution condition. As a result of conducting the Model Test, a change in the underground stress according to the loading was proven to be very similar to the tendency shown in the theories of Westergaard. A tendency of increasing in a straight line was shown in the underground stress according to the increase of loading. When compared to that of the theoretical equation, underground stress values were great until the depth of 15cm. However, after that depth, a tendency of showing smaller value than that of the theoretical equation was shown. Correlations between Moving Repeated Load (or) and Underground Stress ($Deltasigma$) show $Deltasigma;=; 0.009cdot{sigma}r-0.1$(depth 60 cm).
 
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Loading;Model test;Theoretical equation;Underground stress;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.3, 2005³â, pp.55-63
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200520828086330)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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