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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.12, 2010³â, pp.51-60
»óÀçÇÏÁßÀÇ Å©±â¿Í À̰ݰŸ®¿¡ µû¸¥ °­¼ºº®Ã¼ÀÇ Åä¾ÐºÐÆ÷
( Earth Pressure on a Rigid wall due to Loads Condition and Distance )
¿À¹üÁø;ÀÌ»ó´ö; ¾ÆÁÖ´ëÇб³ ´ëÇпø °Ç¼³±³Åë°øÇаú;¾ÆÁÖ´ëÇб³ °ø°ú´ëÇРȯ°æ°Ç¼³±³Åë°øÇкÎ;
 
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ÀÚÁß¿¡ ÀÇÇÑ Åä¾ÐÀº ÀϹÝÀûÀ¸·Î ±íÀÌ¿¡ µû¶ó ¼±Çüºñ·ÊÇÏ¿© Áõ°¡µÇÁö¸¸, »óÀçÇÏÁß¿¡ ÀÇÇØ ¹ß»ýµÇ´Â Åä¾ÐÀº ºÐÆ÷ÇüÅÂ¿Í Áö¹Ý»óÅ ¹× °æ°èÁ¶°Ç¿¡ µû¶ó ´Ù¸£°Ô ºÐÆ÷ÇÑ´Ù. º» ¿¬±¸¿¡¼­´Â º¯À§°¡ ±¸¼ÓµÈ °­¼ºº®Ã¼¿¡ ¿¬Á÷»óÀçÇÏÁß¿¡ ÀÇÇÑ Åä¾ÐºÐÆ÷¸¦ ½ÇÇèÀûÀ¸·Î ¿¬±¸Çϱâ À§ÇÏ¿© ½Ç³»¸ðÇüÅäÁ¶[30 cm(Æø) ${ imes}$ 110 cm(±æÀÌ) ${ imes}$ 88 cm(³ôÀÌ)]¿¡ °¢ 2°³ÀÇ ·Îµå¼¿ÀÌ ¹èÄ¡µÈ 8°³ÀÇ Åä¾ÐÆÇÀ¸·Î ±¸¼ºµÈ °­¼ºº®Ã¼¸¦ ¼³Ä¡ÇÏ¿© ¿¬Á÷»óÀçÇÏÁßÀÇ Å©±â¿Í À§Ä¡(º®Ã¼¿¡¼­ À̰ݰŸ®)¸¦ º¯È­½ÃÄÑ °¡¸é¼­ Åä¾ÐºÐÆ÷¿Í Åä¾ÐÀÇ ¿µÇâ¹üÀ§¸¦ °üÂûÇÏ¿´´Ù. ½ÇÇè°á°ú, ¿¬Á÷»óÀçÇÏÁß¿¡ ÀÇÇØ ¹ß»ýµÇ´Â ¼öÆòÅä¾ÐÀº ÀÏÁ¤À§Ä¡¿¡¼­ ÃÖ´ë°ªÀ» º¸ÀÌ°í ±í¾îÁú¼ö·Ï °¨¼ÒÇÏ¿© ÇѰè±íÀ̸¦ ÃʰúÇÏ¸é ¹«½ÃÇÒ ¸¸Å­ ÀÛ¾ÆÁ³´Ù. ¼öÆòÅä¾ÐÀÌ ÃÖ´ë°¡ µÇ´Â ±íÀÌ¿Í ÇѰè±íÀÌ´Â ¿¬Á÷»óÀçÇÏÁßÀÇ Å©±â¿Í´Â ¹«°üÇÏ°Ô º®Ã¼¿ÍÀÇ À̰ݰŸ®¿¡ µû¶ó ´Ù¸£°Ô ³ªÅ¸³µ´Ù.
Earth pressure due to gravity generally increases linearly with the depth, but the distribution of earth pressure due to surface load depends on the loading condition, the ground condition, and the boundary condition. In this study, the earth pressure on a rigid wall due to the vertical surface load was measured in experiments. Rigid wall was built in the model test box, and it was filled with homogeneous sandy ground (width 30 cm, height 88 cm, length 110 cm). Rigid wall was composed of 8 segments, which were tested on the two load cells. In the tests, we observed the distribution of the earth pressure on the rigid wall depending on the vertical surface load and it's location. According to the test results, the lateral earth pressure due to the vertical surface load showed its maximum value at a constant depth and decreased with the depth, to the negligible value at the critical depth. The critical depth and the depth at which lateral earth pressure reaches its maximum were not decided by the magnitude of the vertical surface load. They were dependant on the distance from the rigid wall.
 
Ű¿öµå
Critical depth;Lateral earth pressure;Rigid wall;Surcharge load;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.12, 2010³â, pp.51-60
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201014435572035)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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