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Çѱ¹Áö¹Ý°øÇÐȸ / v.20, no.1, 2004³â, pp.37-47
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Soil Nail·Î º¸°µÈ ÇöÀ埼³¸»¶ÒÀÇ ÇÏÁßÀüÀÌ ºÐ¼®
( Load Transfer Analysis of Drilled Shafts Reinforced by Soil Nails ) |
| Á¤»ó¼¶;ÇÔÈ«±Ô;ÀÌ´ë¼ö; ¿¬¼¼´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¿¬¼¼´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;Çѱ¹Àü·Â°ø»ç Àü·Â¿¬±¸¿ø;
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| º» ¿¬±¸¿¡¼´Â ¾Ï¹Ý¿¡ ±ÙÀÔµÈ ÇöÀ埼³¸»¶ÒÀÇ ÁöÁö·ÂÀ» ³ôÀ̱â À§ÇØ ¸»¶Ò Áָ鿡 soil nailÀ» Á¤ÂøÇÑ Å¸¼³¸»¶ÒÀÇ ÃàÇÏÁß ÇØ¼®À» ¼öÇàÇÏ¿© ±× °Åµ¿À» ÆÄ¾ÇÇÏ¿´À¸¸ç, soil nailÀÇ À¯¤ý¹«¿¡ µû¸¥ º¸°È¿°ú¸¦ ºÐ¼®ÇÏ¿´´Ù. À̸¦ À§ÇØ Beam-Column¸ðµ¨À» ÀÌ¿ëÇÏ¿© ÇöÀ埼³¸»¶Ò°ú Áö¹ÝÀ» ¸ðµ¨¸µÇϰí ÇÏÁßÀüÀ̰À» »ç¿ëÇÏ¿© ¸»¶ÒÁö¹ÝÀÇ »óÈ£ÀÛ¿ëÀ» °í·ÁÇÏ¿´´Ù. ¹«º¸° ¸»¶ÒÀÇ °æ¿ì, ¼ÇØ´ë±³ ÇöÀåÀçÇϽÃÇè°á°ú ¹× ¹ü¿ë ÇÁ·Î±×·¥ÀÎ Shaft 4.0ÀÇ ÇØ¼®°á°ú¿Í ºñ±³¤ýºÐ¼®À» ¼öÇàÇÏ¿´´Ù. º¸°Çü ¸»¶ÒÀÇ °æ¿ì¿¡´Â ¸»¶ÒÀÌ Å¸¼³µÇ´Â Áö¹ÝÀ» [»çÁúÅä+dzȾÏ], [»çÁúÅä+¿¬¾Ï], [»çÁúÅä+°æ¾Ï]À¸·Î ³ª´©¾î Áö¹ÝÁ¶°Ç¿¡ µû¸¥ soil nailÀÇ º¸°È¿°ú¸¦ ÆÄ¾ÇÇÏ¿´´Ù. º» ÇØ¼®°á°ú¿Í ÇöÀå ½ÇÃøÄ¡, SHAFT 4.0ÀÇ ÇØ¼®°á°ú¸¦ ºÐ¼®ÇÑ °á°ú Á¦¾ÈµÈ ÁÖ¸éÇÏÁßÀüÀÌÇÔ¼ö Áß »çÁúÅä¿¡¼´Â VijayvergiyaÀÇ ÇÔ¼ö, ¾Ï¹Ý¿¡¼´Â O'Neill-HassanÀÇ ÇÔ¼ö°¡ ¾Ï¹Ý¿¡ ±ÙÀÔµÈ ÇöÀ埼³¸»¶ÒÀÇ °Åµ¿À» ºñ±³Àû ÀûÀýÈ÷ ¿¹ÃøÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. À̸¦ Åä´ë·Î ¿¹ÃøÇÑ º¸°Çü ÇöÀ埼³¸»¶ÒÀÇ º¸°È¿°ú´Â soil nail±îÁö ÇÏÁßÀüÀ̰¡ ³ªÅ¸³ª´Â dzȾÏÃþ¿¡¼ °¡Àå Å©°í, ¾ÏÁúÀÌ ¾çÈ£ÇÑ ¿¬¾Ï°ú °æ¾ÏÃþ¿¡¼´Â ±× È¿°ú°¡ ±×´ÙÁö Å©Áö ¾ÊÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù. |
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| In this study the load distribution and settlement of soil nailed-drilled shafts subjected to axial loads were evaluated by a load-transfer approach. Special attention was given to the reinforcing effects of soil nails placed from the shafts to surrounding weathered- and soft-rocks based on an analytical study and a numerical analysis. An analytical method that takes into account the number, the positions on the shaft, the grade, and the inclination angle at which the soil nails are placed was developed using a load transfer curve methods. Through the comparative study, it is found that the prediction by present approach simulates well the general trends observed by the in-situ measurements and numerical results SHAFT 4.0. It is also found that the reinforcing effects of soil nails increases in the order of hard-, soft- and weathered-rock since the ultimate shaft resistance far large bored piles in weathered rocks is fully mobilized after small displacements of the shaft, compared to the soft- and hard-rocks and subsequently the side resistance is transferred down to the soil nails. |
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| Ű¿öµå |
| Load transfer method;Reinforcine effect;Rock-socked;Soil nail;Soil nailed-drilled shafts; |
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Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.20, no.1, 2004³â, pp.37-47
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922288602)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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