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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.3, 1997³â, pp.87-100

( Deformation Behaviour of Metamorphic Tuff from Plate Loading Test )
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º» ³í¹®¿¡¼­´Â °Ç¼³ ÁßÀÎ ±¹³»ÀÇ ÇÑ ÁöÇÏ ¿øÀ¯ºñÃà±âÁöÀÇ ±â¹Ý¾ÏÀÎ º¯¼ºÀÀȸ¾ÏÀÇ º¯ÇüƯ¼ºÀ» ÆÄ¾ÇÇÏ°í º¯Çü°è¼ö¸¦ °áÁ¤Çϱâ À§ÇÏ¿© ÆòÆÇÀçÇϽÃÇè ¹× ºÒ¿¬¼Óü ¼öÄ¡ÇØ¼®À» ¼öÇàÇÏ¿´´Ù. ÆòÆÇ ÀçÇϽÃÇè¿¡¼­´Â Á÷°æ 1mÀÇ flat jackÀ» ÀÌ¿ëÇÏ¿© ÃÖ´ë 14MPaÀÇ ÇÏÁßÀ» ±â¹Ý¾Ï¿¡ °¡Çϰí ÀÌ¿¡ ´ëÇÑ ¹Ý·ÂÀåÄ¡·Î¼­ ·Ï ¾ÞÄ¿ ½Ã½ºÅÛÀ» ÀÌ¿ëÇÏ¿´´Ù. º» ½ÃÇèÀ¸·ÎºÎÅÍ ¾ò¾îÁø º¯Çü°è¼ö °á°úÄ¡´Â ½Ç³»½ÃÇè, ÀÌÃà¾ÐÃà½ÃÇè, °ø³»ÀçÇϽÃÇè µî¿¡¼­ ±¸ÇÑ °ªµé°ú ºñ±³µÇ¾ú´Ù. ±× °á°ú, ÆòÆÇÀçÇϽÃÇè¿¡¼­ ±¸ÇÑ º¯Çü°è¼ö´Â ½Å¼±ÇÑ ¾ÏÆí ź¼º°è¼öÀÇ ¾à 50%Á¤µµÀÎ °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ÇöÁö ±â¹Ý¾ÏÀÇ º¯Çü°è¼ö´Â ¾Ï¹Ý¿¡ ºÐÆ÷ÇÏ´Â Àý¸®µé·Î ÀÎÇÏ¿© 25-350paÀÇ ¹üÀ§¿¡ ¼ÓÇÏ´Â °ÍÀ¸·Î ÆÇÁ¤µÇ¾ú´Ù. ¶ÇÇÑ ½ÃÇè ºÎÁö³»¿¡ ºÐÆ÷ÇÏ´Â ¿©·¯ ºÒ¿¬¼Ó¸éµéÀ» °í·ÁÇÑ ºÒ¿¬¼Óü ÇØ¼®À» ½Ç½ÃÇÏ¿© ÆòÆÇÀç ÇϽÃÇèÀ» ¸ð»çÇϰí Àý¸®µéÀÌ ¾Ï¹ÝÀÇ º¯ÇüƯ¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºÐ¼®ÇÏ¿´´Ù.
This paper presents the results of plate loading test and discontinuum analysis, carried out to study the deformation behaviour and determine the deformation modulus of !rletamorphic andesitic tuff found at the site of a underground oil storage facility in Korea. In the plate loading test, the maximum pressure of 14MPa was applied to the bedrock by using a flat jack(1m in diameter) and the rock anchor system for the reaction against the applied pressure. The values of deformation modulus obtained from this test were compared with those of laboratory test, biaxial test and pressuremeter test. The deformation modulus from plate loading test was generally about half of the intact rock modulus, and the mass modulus of the bedrock at the test site may be affected by discontinuities and ranges between 25 and 350pa. Discontinuum analysis was also performed to simulate plate loading test and study the influence of discontinuities on the deformability of rock mass by simulating the presence of joints at the test area.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.3, 1997³â, pp.87-100
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447419)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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