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Çѱ¹Áö¹Ý°øÇÐȸ / v.14, no.1, 1998³â, pp.81-92
ÅäÁú°øÇÐÀû ÇØ¼®¹æ¹ý¿¡ ÀÇÇÑ ¼®ÅºÈ¸ Æó±â¹°Áö¹ÝÀÇ ¾ÈÁ¤Ã³¸®¿¡ °üÇÑ ¿¬±¸ -Áö¹Ýº¯ÇüÇØ¼®À» À§ÇÑ Cam-clay modelÀ» Áß½ÉÀ¸·Î
( A Study on the Stabilization of Coal Ash Ground by Geotechnical Engineering Analysis Cam-clay model for Deformation Analysis of Coal Ash Ground )
õº´½Ä; Á¤È¸¿ø, ÇѾç´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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È­·Â¹ßÀü¼Ò¿¡¼­ ´ë·®À¸·Î ºÎ»ê µÇ¾î Æó±â 󸮵ǰí ÀÖ´Â ¼®ÅºÈ¸ Æó±â¹°·Î Á¶¼ºµÈ Áö¹ÝÀ» ¾ÈÁ¤ ó¸®ÇÏ¿© »ç¿ëÇϰųª ¶Ç´Â ÀÌ·¯ÇÑ ¼®ÅºÈ¸¸¦ °Ç¼³°ø»çÀÇ Á÷Á¢ÀûÀÎ Àç·á·Î Ȱ¿ëÇÏ°Ô µÇ¸é °á±¹ ÆóÀÚ¿øÀ» »ê¾÷ÀÚ¿øÈ­ ÇÔÀ¸·Î¼­ °Ç¼³ÀÚÀç ³­À» ÇØ¼ÒÇÒ ¼ö ÀÖ°Ô µÈ´Ù. º» ¿¬±¸¿¡¼­´Â ¼®ÅºÈ¸¸¦ ¼ºÅäÀç ¹× ¸Å¸³Àç·Î¼­ ´ë·® Ȱ¿ëÇÒ °æ¿ì¿Í Áö¹Ýº¯ÇüÇØ¼®¿¡ ÇÊ¿äÇÑ Àû¿ë ¸ðµ¨°ú ±× Àû¿ë¼ºÀ» Áß½ÉÀ¸·Î °ËÅäÇÏ¿´´Ù. ±× Áß Cam-clay modelÀº ÈëÀÇ ´Ù¾çÇÑ ÀÀ·Â°æ·Î¿¡ ´ëÇØ ¹è¼ö¿Í ºñ¹è¼ö Á¶°Ç¿¡¼­ ÀçÇÏÇÏ´Â µ¿ ¾È º¯À§¿Í °ø±Ø¼ö¾ÐÀ» ³ªÅ¸³¾ ¼ö ÀÖ´Â ¿ÏÀüÇÑ ±¸¼º½ÄÀ» Á¦°øÇϰí, ÇÊ¿ä·Î ÇÏ´Â ÅäÁúÁ¤¼ö°¡ ±Ø¼Ò¼öÀÌ°í ¸ðµç °ÍÀ» ½Ç³»½ÇÇèÀ» ÅëÇØ ÃøÁ¤ÇÒ ¼ö ÀÖ´Â ÀåÁ¡ÀÌ ÀÖ´Ù. ÅäÁú±âº»½ÃÇè, µî¹æ¾Ð¹Ð ¹× ºñ¹è¼ö »ïÃà¾ÐÃà½ÃÇè µîÀ» ÅëÇÏ¿© Camflay mode¼÷ Á¦¹Ý parameter¸¦ ±¸ÇÏ¿´°í, ¼öÄ¡ÇØ¼®À» ¼öÇàÇÏ¿© ½ÃÇè °á°ú¿Í ºñ±³ÇÏ¿´´Ù. ½ÃÇè °á°ú¿Í ¼öÄ¡ ÇØ¼®°á°ú¿¡¼­ °¢°¢ ±¸ÇÑ parameterÀÇ ¿ÀÂ÷´Â ¸Å¿ì ±Ù¼Ò ÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ½ÃÇèÀ» ÅëÇØ °áÁ¤ÇÑ ºñȸ¿Í Àúȸ 5 : 5 ÀûÁ¤È¥ÇÕȸÀÇ ParameterµéÀº ÀΰøÀ¸·Î Á¶¼ºµÈ ¼®ÅºÈ¸ ¸Å¸³Áö¹ÝÀÇ º¯ÇüÇØ¼®¿¡¼­ Cam-clay modelÀ» ÀÌ¿ëÇÏ´Â µ¥¿¡ ±âÃÊÀÚ·á·Î¼­ Ȱ¿ëÀÌ °¡´ÉÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
Coal ash from thermal power plants has been produced in large quantity and discarded uselessly, However, it is possible to supply construction material properly by utilizing the coal ash as construction material. In this study, the applicable model and its applicability for deformation analysis of coal ash fill and reclamation ground are studied. Camflay model gives complete constitutive law which illustrates deformation and pore water pressure while soil is loaded under the various stresses at drained and undrained conditions. The merit of proposed model which is acquired from laboratory tests is that only a few soil parameters are available. The whole parameters of Camflay model are obtained by typical mechanical test and CV triaxial test on the sample with optimum mixing ratio( i.e. fly ash : bottom ash=5:5) Then the results from proposed numerical analysis are compared with laboratory results. The differences between laboratory test and numerical analysis are negligible. Parameters deter mined from laboratory tests are useful as a basic data for deformation analysis of coal ash reclamation ground using Camflay model.
 
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Coal ash;Fly ash;Bottom ash;Deformation analysis;Cam-clay model;Critical state line;Optimum mixing ratio;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.14, no.1, 1998³â, pp.81-92
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920447925)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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