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Çѱ¹Áö¹Ý°øÇÐȸ / v.24, no.10, 2008³â, pp.131-146
Brazilian½ÃÇèÀ» ÀÌ¿ëÇÑ ÀÏÃà¾ÐÃà°­µµ, ź¼º°è¼öÀÇ ÃßÁ¤ (I)
( Predicting Uniaxial Compressive Strength and Elastic Modulus Using Brazilian Test )
¹Î´ö±â;¹®Á¾±Ô;³ëÀç¼ú; ¿ï»ê´ëÇб³ °ø°ú´ëÇÐ °Ç¼³È¯°æ°øÇкÎ;µ¿¸í±â¼ú°ø´Ü(ÁÖ);(ÁÖ)¼ö¼ºENG;
 
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ÀÏÃà¾ÐÃà°­µµ¿Í ź¼º°è¼ö¸¦ ½Å¼ÓÇÏ°í °£ÆíÇÏ°Ô ÃßÁ¤Çϱâ À§ÇÏ¿© ¸¹Àº ¿¬±¸ÀÚµéÀÌ ¿©·¯ °¡Áö ¹æ¹ýÀ» Á¦½ÃÇÏ¿© ¿ÔÀ¸¸ç ±× Áß ½Ç¿ë¼ºÀÌ ³ôÀº °æÇè½Äµéµµ ÀÖ´Ù. º» ¿¬±¸´Â ¾Ð¿­ÀÎÀå°­µµ¸¦ ¸Å°³·Î ÀÏÃà¾ÐÃà°­µµ¿Í ź¼º°è¼ö¸¦ ÃßÁ¤ÇÒ ¼ö ÀÖ´Â °æÇè½ÄÀ» ÅðÀû¾ÏÀ» ´ëÇ¥ÇÏ´Â »ç¾Ï°ú ¼ÎÀÏ, º¯¼º¾ÏÀ» ´ëÇ¥ÇÏ´Â Æí¸¶¾Ï¿¡¼­ µµÃâÇÏ¿´´Ù. ±âÁ¸ °£Æí½Ä(Á¡ÇÏÁß°­µµ, Schmidt hammer Ÿ°Ý¹ý)À¸·Î µµÃâµÈ °á°ú¿Í ºñ±³, °ËÁ¤À» ÇÏ¿© ³ôÀº ½Å·Ú¼ºÀ» È®ÀÎÇÏ¿´±â¿¡ ¾Ð¿­ÀÎÀå°­µµ¸¦ ¸Å°³·Î ÀÏÃà¾ÐÃà°­µµ¿Í ź¼º°è¼ö¸¦ ÃßÁ¤ÇÒ ¼ö ÀÖ´Â ¶Ç ÇϳªÀÇ ½Å·Ú¼º ³ôÀº °£Á¢¹æ¹ýÀ¸·Î »ç·áµÈ´Ù. ÁöÁú Á¶»ç½Ã ¾òÀº Á¦ÇÑµÈ ÄÚ¾î·Î ÀÎÇÏ¿© Á÷Á¢½ÃÇèÀ¸·Î µµÃâÇϱ⠾î·Á¿î °æ¿ì¿¡µµ º» ¿¬±¸¿¡¼­ Á¦½ÃÇÏ´Â ¹æ¹ýÀÌ È¿À²¼ºÀÌ ³ôÀ» °ÍÀ¸·Î »ç·áµÈ´Ù.
Many attempts have been made to determine the uniaxial compressive strength and elastic modulus of regular specimens of rock indirectly. But little experimental work has been done to find above two parameters using Brazilian test value up to date. This paper employs Brazilian test value to estimate uniaxial compressive strength and elastic modulus of sedimentary (sand stone, shale) and metamorphic (gneiss) rocks. High reliability of Brazilian test has been supported by the established conclusions drawn from point load test and Schmidt hammer strike values. It has also been found that this method can be applied easily and rapidly to the estimation of uniaxial compressive strength and elastic modulus of rock cores when direct tests are not available.
 
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Brazilian test;Correlation;Elastic modulus;Gneiss;Point load test;Schmidt hammer test;Shale;Uniaxial compressive strength;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.24, no.10, 2008³â, pp.131-146
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200800557077764)
¾ð¾î : Çѱ¹¾î
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