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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.6, 1999³â, pp.57-69
³óµµ°¡ ´Ù¸¥ ¿À¿°Áö¹ÝÀÇ ÁöÁö·Â °áÁ¤¿¡ °üÇÑ ¿¬±¸
( A Study on the Determination of Bearing Capacity of Polluted Soils with Various Concentrations )
¾ÈÁ¾ÇÊ;¹Ú»ó¹ü; Á¶¼±´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;Á¶¼±´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;
 
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¿À¿°µÈ ¿¬¾àÁö¹Ý¿¡ ÆíÀçÇÏÁßÀÌ ÀÛ¿ëÇÏ´Â °æ¿ì¿¡ À־ Áö¹ÝÀÇ ¼Ò¼ºÈ­¿¡ µû¸¥ ÁöÁö·Â °áÁ¤À» À§ÇÏ¿© ±âÁ¸ÀÇ ÀÌ·ÐÀûÀÎ ¹è°æÀ» °íÂûÇϰí, ÀÌ·¯ÇÑ ¿À¿°µÈ ¿¬¾àÁö¹Ý¿¡¼­ ÆíÀçÇÏÁß¿¡ ÀÇÇÑ Áö¹ÝÀÇ ÁöÁö·Â°ú º¯Çü¿¡ ´ëÇÑ °Åµ¿À» ¿¬±¸Çϱâ À§ÇÏ¿© ¸ðÇü½ÇÇèÀ» ÅëÇÑ ½ÇÃøÄ¡¸¦ ÀÌ¿ëÇÏ¿© ¼­·Î ºñ±³.ºÐ¼®ÇÏ¿´´Ù. ¸ðÇü½ÇÇèÀº ¸ðÇü ÀçÇÏÀåÄ¡ÀÎ ÅäÁ¶¿Í ÀçÇÏÆ² ¹× ÀçÇÏÆÇÀ» Á¦ÀÛÇÏ¿© ÅäÁ¶¾È¿¡ ÇÔ¼öºñ¸¦ ÀÏÁ¤ÇÏ°Ô À¯ÁöÇÑ »óÅ¿¡¼­ ÀÚ¿¬Áö¹ÝÀÇ ½Ã·á¿Í ¿À¿°¹°ÁúÀ» Á¡ÁøÀûÀ¸·Î Áõ°¡½ÃŲ Áö¹Ý½Ã·á¿¡ ÀÏÁ¤ÇÑ ½Ã°£°£°ÝÀ¸·Î ÆíÀçÇÏÁßÀ» Áõ°¡½ÃŰ¸é¼­ ħÇÏ·®°ú Ãø¹æº¯À§·® ¹× À¶±â·® µîÀ» °üÂûÇÏ¿´´Ù. ±× °á°ú ÇѰèÇÏÁßÀº ½ÇÇè°ªÀÌ $Tschebotarioff(q_{cr}=3.0_{Cu)$ÀÇ Á¦¾È°ª°ú $Meyerhof(q_{cr}=(B/2H+pi/2_{Cu})$ÀÇ Á¦¾È°ª¿¡ ±ÙÁ¢ÇÏ¿© $q_{cr}=2.78_{Cu$°ªÀ» ³ªÅ¸³Â°í, ±ØÇÑÇÏÁßÀº PrandtlÀÇ Á¦¾È°ª¿¡ ±ÙÁ¢ÇÏ¿© $q_{ult}=4.84_{Cu}$ÀÇ °ªÀ» ³ªÅ¸³Â´Ù
This study investigates the existing theoretical backgrounds for bearing capacity determination according to the plasticity of soils when unsymmetrical surcharge is loaded on polluted soft soils. It also investigates the behavior of the displacement and bearing capacity by unsymmetrical surcharge on the Polluted soft soils. by comparing the analytical results and the actual measurements performed through the model test. Model tests were carried out as follows : soil tank, bearing frame and bearing plate are made for the test ; the water content in soil tank was kept constant while the contaminants in natural soils and polluted material were gradually increased ; unsymmetrical surcharge is increased at regular intervals and then the amounts of settlement, lateral displacement and upheaval are observed. In conclusion, the value of critical surcharge was expressed as $q_{ cr}= 2.78_{Cu}$ which was similar to those $Tschebotarioff(q_{cr}=3.0_{Cu)$ and $Meyerhof(q_{cr}=(B/2H+pi/2_{Cu})$ had proposed. The value of ultimate capacity was expressed as $q_{ult}=4.84_{Cu}$ which was similar to that of Prandtl.
 
Ű¿öµå
Bearing capacity;Polluted soft soils;Critical surcharge;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.6, 1999³â, pp.57-69
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921749753)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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