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Çѱ¹Áö¹Ý°øÇÐȸ / v.7, no.4, 1991³â, pp.25-34
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CBR°ú ¾Ð¹Ð ºñ¹è¼ö ½ÃÇè¿¡ ÀÇÇÑ Åº¼º°è¼ö¿ÍÀÇ »ó°ü°ü°è¿¡ ´ëÇÑ ½ÇÇèÀû ¿¬±¸
( A Study on the Experimental Relationship between KS CBR and Elastic Modulus from Consolidated Undrained Triaxial Tests ) |
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| º» ¿¬±¸¿¡¼´Â KS±ÔÁ¤¿¡ ÀÇÇÑ CBR °ª°ú »ïÃà¾ÐÃà½ÃÇèÀ» ÀÌ¿ëÇÏ¿© ±¸ÇÑ Åº¼º°è¼ö¿ÍÀÇ °ü°è¸¦ ±¸¸íÇÏ¿´´Ù. ½Ã·á´Â ÅëÀϺзù¹ý¿¡ ÀÇÇÏ¿© 5°¡Áö·Î ºÐ·ùµÈ Àü±¹°í¼Óµµ·Î 15°³ ÁöÁ¡¿¡¼ äÃëÇÑ ³ë»ó ÅäÀç·á¸¦ ¼±Á¤ÇÏ¿´À¸¸ç °¢ ½Ã·á¿¡ ´ëÇÏ¿© CBR½ÃÇè°ú »ïÃà¾ÐÃà½ÃøÀ» º´ÇàÇÏ¿© ½Ç½ÃÇÏ¿´´Ù. ¾Ð ¹Ð ºñ¹è¼ö »ïÃà¾ÐÃà½ÃÇé (CU triaxial teat)À» ½Ç½ÃÇÏ¿© ¾ò¾îÁø ÀÀ·Â°ú º¯Çü·üÀÇ °ü°è·ÎºÎÅÍ Åº¼º °è¼ö¸¦ »êÁ¤ÇÏ¿´À¸¸ç ³ë»ó¿¡ ¹ß»ýµÇ´Â ¸ðµç ÀÀ·Â»óÅ¿¡ Àû¿ëÇÒ ¼ö ÀÖµµ·Ï ÀϹÝÈÇϱâ À§ÇÏ¿© »ïÃà ¾ÐÃà½ÃÇè½Ã ±¸¼ÓÀ½·ÂÀº 3°¡Áö·Î ´Þ¸®ÇÏ¿© ½ÇÇèÇÏ¿´´Ù. ½ÇÇè°á°ú·ÎºÎÅÍ ¾òÀº ¼öÁ¤ CBR°ª°ú ź¼º°è¼ö°£ÀÇ »ó°ü°ü°è¸¦ ȸ±ÍºÐ¼®ÇÏ¿©, ±¸¼ÓÀ½·Â°ú À¯È¿ Æò±ÕÁÖÀÀ·ÂÀÇ ÇÔ¼ö·Î Ç¥ÇöµÈ ź¼º°è¼ö¿Í ¼öÁ¤ CBR°ª°úÀÇ °ü°è½ÄµéÀ» Á¦¾ÈÇÏ¿´´Ù. ¶ÇÇÑ D-2 ´ÙÁü¿¡ ÀÇÇÏ¿© ¾ò¾îÁø ÃÖ´ë °ÇÁ¶¹Ðµµ¿Í ¼öÁ¤ CBR°ª°úÀÇ »ó°ü°ü°è½ÄÀ» Á¦¾ÈÇÏ¿´´Ù. |
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| In this study, relationships between CBR values tested by Korean Standards (KS CBR) and the elastic moduli from CU compression tests are developed for the subgrade soils. Triaxial compression and KS CBR tests are carried out on five types of samples from 15 points in Korean ezpressways. Triaxial compression tests are performed under 3 types of coifining pressures to generalize the CBR -elastic modulus relationship as functions of confining pressured and mean principal stresses. From the regression analyses of experimental results, equations for relationships between the KS CBR and elastic moduli of roadbed Boils are proposed. An equation for the relation- ship between the KS CBR and the maximum dry density of roadbed soil is also proposed. |
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.7, no.4, 1991³â, pp.25-34
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199111920444358)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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