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Çѱ¹Áö¹Ý°øÇÐȸ / v.10, no.2, 1994³â, pp.5-24
½Ç³»¿Í ÇöÀå´ÙÁü Á¡¼ºÅäÀÇ È¸º¹Åº¼º°è¼ö
( Resilient Modulus of Laboratory End Field Compacted Cohesive Soils )
ÀÌ¿ìÁø; Á¤È¸¿ø, »ï¼º°Ç¼³(ÁÖ) ±â¼ú¿¬±¸¼Ò;
 
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½Ç³»´ÙÁüÅä¿Í ÇöÀå´ÙÁüÅäÀÇ È¸º¹Åº¼ºÆ¯¼ºÀ» ºñ±³Çϱâ À§ÇÏ¿© 5Á¾·ùÀÇ ÇöÀå´ÙÁüÁ¡Åä¿Í 3Á¾·ùÀÇ ½Ç³»´ÙÁüÁ¡Åä¿¡ ´ëÇÑ È¸º¹Åº¼º°è¼ö½ÇÇè (Resilient Modulus Test)À» ½Ç½ÃÇÏ¿´´Ù. ½ÇÇè °á°ú¿¡ ÀÇÇϸé ÇöÀå½Ã·áÀÇ È¸º¹Åº¼º°è¼ö´Â µ¿ÀÏÇÑ ÇÔ¼öºñ¿Í °ÇÁ¶´ÜÀ§Áß·®À¸·Î ´ÙÁüÇü¼ºµÈ ½Ã·áÀÇ ±×°Í°ú »ó´çÈ÷ ´Ù¸¥ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ȸº¹Åº¼º°è¼ö´Â 1% º¯Çü·ü¿¡¼­ÀÇ ÀÏÃà¾ÐÃàÀÀ·Â°ú ÁÁÀº »ó°ü °ü°è¸¦ °¡Áö´Â °ÍÀ¸·Î È®ÀεǾúÀ¸¸ç À̵鰣ÀÇ »ó°ü°ü°è´Â ȸ±ÍºÐ¼®¿¡ ÀÇÇÏ¿© °£´ÜÇÑ ½Ä°ú µµÇ¥·Î Á¦¾ÈµÇ¾ú´Ù. ±¸ÇØÁø »ó°ü°ü°è´Â ½Ç³»´ÙÁüÅä¿Í ÇöÀå´ÙÁü Åä¿¡ ´ëÇØ ¾à°£ ´Ù¸£³ª, ½ÇÁ¦ ³ë¹Ý¿¡ Á¸ÀçÇÒ °ÍÀ¸·Î ¿¹»óµÇ´Â ÀÀ·ÂÁ¶°ÇÇÏ¿¡¼­´Â Å©°Ô ´Ù¸£Áö ¾Ê´Ù. Á¦¾ÈµÈ »ó°ü°ü°è½Ä ÀÚü´Â ½Ã°øÈÄ Áö¹ÝÀÇ »óź¯È­¿¡ ¿µÇâÀ» ¹ÞÁö ¾ÊÀ¸¹Ç·Î as-compacted³ª in-service»óÅ¿¡ ¸ðµÎ Àû¿ë °¡´ÉÇÏ´Ù.
Resilient modulus tests were performed on five cohesive soils sampled from in -service subgrades and three cohesive soils compacted in the laboratory. It was concluded that in service resilient modulus can not be estimated from the resilient modulus of laboratory specimen compacted at same water content and dry density as in -service condition. The stress at 1 percent axial strain in unconfined compression tests ($Su_{1.0%}$) was found as a good indicator of the resilient modules ($M_R$), and the unique relationship between MR and $Su_{1.0%}$ was obtained. This relationship for the laboratory compacted soil is slightly different from that for the field compacted soil and the difference is less pronounced at the confining stress level expected to exist in subgrade. A proposed relationship itself is not affected by the changes in subgrade after construction and, therefore, it is applicable to as compacted and in service subgrade conditions.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.10, no.2, 1994³â, pp.5-24
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199411920445383)
¾ð¾î : Çѱ¹¾î
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