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Çѱ¹Áö¹Ý°øÇÐȸ / v.6, no.1, 1990³â, pp.35-42
È­°­¾ÏdzȭÅäÀÇ µ¿Åº¼º°è¼ö¿¡ °üÇÑ ¿¬±¸ -ÁߺÎÁö¿ªÀ» Áß½ÉÀ¸·Î-
( Resilient Modulus of Weathered Granite Soil in the Central Part of Korea )
±èÁÖÇÑ;ÀÌÁ¾±Ô; Á¤È¸¿ø, °æ¿ø´ëÇб³ À̰ø´ëÇÐ Åä¸ñ°øÇаú;Á¤È¸¿ø, ´Ü±¹´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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Áö±Ý±îÁö Æ÷Àå¼³°èÀÇ ±âº»°³³ä¿¡´Â ÈëÀÇ Åº¼ºÀû ¼ºÁúÀÌ °ÅÀÇ ¹Ý¿µµÇ¾î¿ÀÁö ¾Ê¾Ò´Ù. ±×·¯³ª Æ÷ÀåÀÇ ÆÄ±«´Â ÈëÀÌ °®°í ÀÖ´Â ÀϺΠź¼ºÀû ¼ºÁú¿¡µµ ¿µÇâÀ» ¹Þ´Â °ÍÀ¸·Î¼­ ÃÖ±Ù µ¿Åº¼º°è¼ö¶ó´Â ¿ä¼Ò¸¦ µµÀÔÇÔÀ¸·Î¼­ ÈëÀÇ Åº¼ºÀû ¼ºÁúÀ» Æ÷Àå¼³°è¿¡ ¹Ý¿µÇÏ°Ô µÇ¾ú´Ù. ÀÌ·¯ÇÑ Ãß¼¼¿¡ µû¶óAASHTO(1986)¿¡¼­´Â üÀ屸´Þ¼³°èÁöºÎ¼­¸¦ È®Á¤ÁöÀ¸¸é¼­ ±×µ¿¾ÈÆ÷À屸 Á¶¼³°è ÀáÁ¤Áöħ¼­ÀÇ ±âº»½Ä¿¡¼­ »ç¿ëÇÏµç ³ë°íÅäÁöÁöÄ¡¸¦ µ¿Åº¼º°è¼ö·Î ´ëüÇÏ¿´´Ù. ±×·¯³ª ÇöÀç·Î¼­´Â ÀÌ ½ÃÇè¹æ¹ý°ú ½ÃÇèÀåºñ°¡ º¸ÆíÈ­µÇ¾îÀÖÁö ¾ÊÀ¸¹Ç·Î ´ëºÎºÐÀÇ °æ¿ì CBR°ª, K°ª, R°ªµî À¸·Î ºÎÅÍ µ¿Åº¼º°è¼ö¸¦ ±¸Çϴ ȯ»ê½Ä¿¡ ÀÇÇÏ¿© µ¿³í°æ°è¼ö¸¦ ÃßÁ¤Çϰí ÀÖ´Ù. º» ¿¬±¸´Â ¿ì¸®³ª¶ó ÁߺÎÁö¿ª 4°³ÁöÁ¡ÀÇ À¯»ó·û°¡È­Åä¿¡ ´ëÇÏ¿© AASHTOÀÇ ½ÃÇè¹æ¹ý(T 274-82)À¸·Î µ¿Åº¼º°è¼ö¸¦ Á÷Á¢ ±¸Çϰí À̸¦ ±Ù°Å·Î ¿ì¸®³ª¶ó ÁߺÎÁö¿ª °í»ó¾ÏdzȭÅäÀÇ µ¿Åº¼º°è¼ö¸¦ ÁÖÀÀ·ÂÀÇ ÇÕ°è·ÎºÎÅÍ È®Á¤ÇϱâÀ§ÇÑ ½ÄÀ» Á¦¾ÈÇÏ¿´À¸¸ç ¶ÇÇÑ Á¾·¡ °¡È¿¼ºÆ÷Àå¼³°è¿¡ Àû¿ëÇÏ¿© ¿Ô´ø CBR½ÃÇè °á°ú·Î ºÎÅÍ µ¿Åº¼º°è¼ö¸¦ ȯ»êÇϱâ À§ÇÑ °ü°è½ÄÀ» ±¸ÇÏ¿´´Ù.
Over the years, most pavement designs based on soil strength and permanent strain are almost independent of soil elasticity. However, it was found that plasticity and elasticity of soil have both effected on the failure of pavement structures. The elasticity of soil, hence, using the resilient modulus is reflected for recent pavement design. Although the current AASHTO specifications(1986) for pavement design had changed the soil support value to the resilient modulus, triaxial devices conducting the resilient modulus test have not been fully equipped in a great majority of laboratories. Thus, in the present work, such a resilient modulus is usually derived(from CBR, K values, etc.) by estimating equations. The purpose of this study is to evaluate the resilient modulus of weathered granite soils sampled from 4 points of the central region of Korea by means of AASHTO T 274-82. According to this, some empirical equations for predicting that of the weathered granite soil are proposed and then, the relationship to convert CBR into the resilient modulus is developed.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.6, no.1, 1990³â, pp.35-42
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199011920443817)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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