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Çѱ¹Áö¹Ý°øÇÐȸ / v.12, no.2, 1996³â, pp.33-42
Æ÷Ç×À̾ÏÃþÀÇ Slaking, ÆØÃ¢ ¹× Àü´Ü°­µµÆ¯¼º
( Slaking, Swelling and Shear Strength Characteristics of Pohang Mudrocks )
ÀÌ¿µÈÖ; Á¤È¸¿ø, ¿µ³²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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Æ÷Ç×Áö¿ª À̾ÏÀÇ Ç³È­°¡ slaking¹× Èí¼öÆØÃ¢¿¡ ±âÀεÊÀ» ÀνÄÇϰí, 3°³ ÁöÁ¡¿¡¼­ äÃëÇÑ À̾Ͻ÷Ḧ ´ë»óÀ¸·Î ±¤¹°¼ººÐ, slaking ¹× ÆØÃ¢½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ¶ÇÇÑ Ç³È­·Î ÀÎÇÏ¿© ¿­È­µÈ À̾ÏÀÇ ÀÜ·ùÀü´Ü°­µµ¸¦ ÃøÁ¤ÇÏ¿´´Âµ¥ ¿ªÀü½Ä ÀÜ·ùÀü´Ü½ÃÇèÀ» äÅÃÇÏ¿´´Ù. ½ÃÇè°á°ú, °¢ À̾Ͻ÷áÀÇ ±¤¹°¼ººÐÀº ¼®¿µ°ú Á¡Å䱤¹°ÀÌ ´ëÁ¾À» ÀÌ·ç°í ÀÖÀ¸¸ç, µÎ¹øÂ° slaking cycle¿¡¼­ÀÇ slake³»±¸¼º Áö¼ö´Â 71%~96% ¹üÀ§ÀÌ°í ¾Ï¼®ºÐ¸»½Ã·áÀÇ ¾×¼ºÇѰ谡 ³ôÀ»¼ö·Ï ³»±¸¼ºÁö¼ö´Â ¶³¾îÁö´Â °æÇâÀ» º¸ÀδÙ. ¶ÇÇÑ ÆØÃ¢¾Ð·ÂÀÇ Å©±âµµ ¾×¼ºÇѰ谡 ³ôÀº ½Ã·á¿¡¼­ ¿ùµîÈ÷ Å« 9.4kg10m2·Î ÃøÁ¤µÇ¾úÀ¸¸ç, ÀÌ·¯ÇÑ °æÇâÀº ÆØÃ¢º¯Çü·ü(ÃÖ´ëÄ¡ :33.5%)¿¡¼­µµ ¸¶Âù°¡Áö·Î ³ªÅ¸³µ´Ù. À̾ÏÀÇ ÀÜ·ùÀü ´Ü°­µµ´Â °Ç½À¹Ýº¹È¸¼ö°¡ Áõ°¡µÉ¼ö·Ï °¨¼ÒµÇ¾î 5ȸ °Ç½À¹Ýº¹ÈÄÀÇ ÀÜ·ù°­µµ´Â c,=0.24kg/cm2, f,=28$^{circ}$·Î ÃøÁ¤µÇ¾ú´Ù. ±×¸®°í ½ÀÀ±»óÅ¿¡¼­ À̾Ï-ÀÌ¾Ï °æ°è¸éÀ» µû¶ó ÃøÁ¤ÇÑ ÀÜ·ù°­µµ°¡ ÃÖÀú°ªÀÎ cr=0 and or=21.5$^{circ}$·Î ³ªÅ¸³µ´Ù.
The weathering of mudrock in the Pohang area is mainly caused by slaking and swelling when the mudrock is absorbed with water. In this regard, this paper chows the results of chemical analysis and the identification of rock-forming minerals from XRD. It also compares the slaking and swelling characteristics of mudrocks sampled from 3 different sites. The chief rock -forming minerals are the quartz, and the several types of clay minerals. The slake durability indices are ranged from 71% to 96%, and these values are closely related to the liquid limit of the powdered nock specimen. In a similar manner to the slaking characteristics the greatest values of the swelling pressure and the swelling strain were measured from the mudrock specimen with the highest value of liquid limit. The greatest measured values of the swelling pressure and the swelling strain are 9.4 kg 1 cm2 and 33.5% respectively. The residual sheer strength of mudrock decreases as the number of wet -diy cycles increases, and the residual strength at 5 cycles are measured to c,=0.24kg/cm2 and p,=28$^{circ}$. The lowest residual strength is measured at the fresh rock -rock contact surface in the moist condition of which values are cr: 0 and n,: 21.5$^{circ}$.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.12, no.2, 1996³â, pp.33-42
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920446417)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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