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Çѱ¹Áö¹Ý°øÇÐȸ / v.16, no.1, 2000³â, pp.243-250
ÁöÁß ¹Ú½º±¸Á¶¹°¿¡ ÀÛ¿ëÇÏ´Â Åä¾Ð
( Earth Pressure on the Underground Box Structure )
ÀÌ»ó´ö; ¾ÆÁÖ´ëÇб³ °ø°ú´ëÇРȯ°æµµ½Ã°øÇкÎ;
 
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ÁöÇϹڽº±¸Á¶¹°À» °³Âø½ÄÀ¸·Î ½Ã°øÇÒ ¶§¿¡´Â Åä°øÀ» ÃÖ¼ÒÈ­ÇÏ¿© Áö¹ÝÀ» ±¼ÂøÇÏ°í ±¸Á¶¹°À» ¼³Ä¡ÇÑ ÈÄ¿¡ µÇ¸Þ¿òÇϹǷΠÁö¹Ý±¼Âø¸é°ú ±¸Á¶¹°»çÀÌÀÇ µÇ¸Þ¿ò °ø°£ÀÌ Å©Áö ¾Ê´Ù. µû¶ó¼­ ±¸Á¶¹°ÀÇ »óºÎ½½·¡ºê¿Í ¿ÜÃøº®¿¡ ÀÛ¿ëÇÏ´Â Åä¾ÐÀÇ Å©±â¿Í ºÐÆ÷Çü»óÀº ±¸Á¶¹°ÀÇ °Åµ¿¿¡ Å« ¿µÇâÀ» ¹ÌÄ¡¸ç, µÇ¸Þ¿ò Æø°ú ±¼Âø¸éÀÇ Çü»ó ¹× ÅäÇǵβ² µî¿¡ µû¶ó ´Ù¸£´Ù. º» ¿¬±¸¿¡¼­´Â ¿øÁö¹ÝÀ» ±¼ÂøÇÑ ÈÄ ±¸Á¶¹°À» ¼³Ä¡Çϰí ÀÜ¿© ±¼Âø°ø°£À» µÇ¸Þ¿òÇÏ¿© ÁöÇϹڽº ±¸Á¶¹°À» °Ç¼³ÇÏ´Â ½Ã°ø °úÁ¤À» FLACÀ» ÀÌ¿ëÇÏ¿© ¼öÄ¡ÇØ¼®ÇÏ°í ±× °á°ú¸¦ Marston-SpanglerµîÀÇ À̷аú silo ÀÌ·Ð ¹× ¸ðÇü½ÇÇè °á°ú¿Í ºñ±³ÇÏ¿´´Ù. °á°úÀûÀ¸·Î »óºÎ½½·¡ºê¿¡ ÀÛ¿ëÇÏ´Â ¿¬Á÷Åä¾ÐÀÌ ½½·¡ºêÁß¾Ó¿¡¼­´Â ÅäÇÇÇÏÁß°ú °°À¸³ª ±¸Á¶¹°ÀÇ °¡ÀåÀÚ¸®¿¡¼­´Â µÇ¸Þ¿ò Æø°ú ±¼Âø¸éÀÇ °æ»ç ¹× ÅäÇÇÀÇ µÎ²² µî¿¡ µû¶ó À̺¸´Ù À۰ųª Ä¿Á³°í, ¿ÜÃøº®¿¡ ÀÛ¿ëÇÏ´Â ¼öÆòÅä¾ÐÀº Á¤ÁöÅä¾Ðº¸´Ù ÀÛ¾ÒÀ¸¸ç, ±íÀÌ¿¡ µû¶ó ºñ¼±ÇüÀûÀ¸·Î Áõ°¡ÇÏ¿´´Ù.
The mechanical behavior of the underground box culvert constructed by the open cut method depends mainly on the earth pressure acting on it. In this study, the earth pressure on the underground box culverts constructed by the open cut method during and after the construction sequence was numerically analysed by using FLAC. The results are compared with those of the Marston-Spangler's theory, silo theory, and the model tests. The results showed that the vertical earth pressure on the upper slab of the box structure was not uniform. It was as large as the overburden in the middle part of the slab but was smaller or larger than that at its end part depending on the slope of the excavation, the depth of the cover, and the width of the side refill. The horizontal earth pressure on the side wail was much smaller than the earth pressure at rest and grew nonlinearly with the depth.
 
Ű¿öµå
Box culvert;Vertical earth pressure;Horizontal earth pressure;Silo theory;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.16, no.1, 2000³â, pp.243-250
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011921750240)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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