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Çѱ¹Áö¹Ý°øÇÐȸ / v.12, no.5, 1996³â, pp.137-154
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ȰÅä¿¡¼ÀÇ ¶ì º¸°ÀçÀÇ °Ñº¸±â¸¶Âû°è¼ö
( Apparent Coefficients of Friction between Weathered Granite Soils and Strip Reinforcements ) |
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| ȰÅä(Ȱ¾ÏdzÈÅä)ÀÇ ¼¼¸³ÀÚÇÔÀ¯À²¿¡ µû¸¥ °¢Á¾ ¶ìÇü º¸°ÀçÀÇ °Ñº¸±â¸¶Âû°è¼öÀÇ º¯È¸¦ ¾Ë¾Æº¸±â À§ÇÏ¿© ¼¼¸³ÀÚÇÔÀ¯À²ÀÌ °¢°¢ 7.28%, 19.58%, 35.86%ÀÎ 3°¡ÁöÀÇ È°Åä ½Ã·á¿Í ÆÇÇü, µ¹±âÇü°ú °ÅÄ£ ¹«ÀÇÇüÀÇ ¶ìÇü º¸°À縦 ´ë»óÀ¸·Î Àι߽ÃÇèÀ» ½ÃÇàÇÏ¿´´Ù. Àι߽ÃÇè°á°ú ¼¼¸³ÀÚÇÔ À¯À²ÀÌ Áõ°¡ÇÏ¸é °Ñº¸±â¸¶Âû°è¼ö´Â °¨¼ÒÇÏÁö¸¸ ¼¼¸³ÀÚÇÔÀ¯À²ÀÌ 35%ÀΠȰÅä¿¡¼µµ º¸°Àç Çü»ó¿¡ µû¶ó º¸°Åäü ¾ÈÁ¤¿¡ ÇÊ¿äÇÑ °Ñº¸±â¸¶Âû°è¼ö¸¦ ¾òÀ» ¼ö ÀÖÀ½ÀÌ È®ÀεǾú´Ù. ƯÈ÷ µ¹±âÇü º¸°Àç´Â ¼¼¸³ÀÚ ÇÔÀ¯À²ÀÌ Å« ȰÅä¿¡¼ ¸Å¿ì ¿ì¼öÇÑ °á°ú¸¦ º¸¿´À¸¸ç, °ÅÄ£¹«´ÌÇüµµ ¹«´Ì±íÀ̸¦ ¼öÁ¤Çϸé 35%ÀÇ ¼¼¸³ÀÚÇÔÀ¯À²ÀÇ È°Åä¿¡ Àû¿ëÀÌ °¡´ÉÇÏ´Ù. |
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| Pull-out tests for three different types of strip reinforcements are performed to investigate variation of the apparent coefficient of friction which occurs between the reinforcements and the weathered granite soils with different contents of fine materials. The contents of fine materials for the soil sample are varied from 7% to 36% and the reinforcements used for the pullout tests are smooth, ribbed steel strips and a textured shape Paraweb 1 Friction tie. Test results show that the apparent coefficient of friction tends to decrease with the increase of the content of fine meterials. It is known, however, that the minimum apparent coefficient of friction required to the design of reinforced earth structures can be achieved even at 35% fine contents by using appropriate reinforcements. The ribbed strip reinforcement is found to be the most effective in mobilizing the apparent friction when interacting to finer weathered granite soils. The textured reinforcement is also useful for 35% fine con tents if the textured depth is increased. |
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| Ű¿öµå |
| Apparent coefficient of friction;Pull-out failure;Dilatancy;Direct shear failure;Potential failure mechanism; |
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.12, no.5, 1996³â, pp.137-154
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920446900)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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