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Çѱ¹Áö¹Ý°øÇÐȸ / v.14, no.6, 1998³â, pp.93-112
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ÇÃ¶ó½ºÆ½ ¹è¼öÀ縦 ÀÌ¿ëÇÑ ¼öÆò¹è¼ö°ø¹ý¿¡ °üÇÑ ¿¬±¸
( A Study on the Horizontal Drainage Method Using Plastic Drain Board ) |
| ȲÁ¤±Ô;±èÈ«ÅÃ;±è¼®¿;°ÀαÔ;±è½Â¿í; È«ÀÍ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;È«ÀÍ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;³ó¾îÃÌÁøÈï°ø»ç ³ó¾îÃÌ¿¬±¸¿ø;ºê´Ï¿¤ ÄÁ¼³ÅÏÆ®;³ó¾îÃÌÁøÈï°ø»ç ³ó¾îÃÌ¿¬±¸¿ø;
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| º» ¿¬±¸¿¡¼´Â, ¿¬¾àÇÑ Áؼ³¸Å¸³Á¡ÅäÁö¹Ý ³»ºÎ¿¡ ÇÃ¶ó½ºÆ½ ¹è¼öÀ縦 ¼öÆòÀ¸·Î ¼³Ä¡ÇÏ¿© ¾Ð¹ÐħÇÏÀÇ °¡¼Óȸ¦ À¯µµÇÏ´Â ¼öÆò¹è¼ö°ø¹ýÀÇ ÇØ¼®ÀýÂ÷ ü°èÈ¿¡ ÃÊÁ¡À» µÎ°í ÀÌ·ÐÀû ¹× ½ÇÇèÀû Á¢±ÙÀ» ÁøÇàÇÏ¿´´Ù. À̸¦ À§ÇØ, À¯ÇѺ¯Çü·ü °³³äÀ» ±Ù°Å·Î ÇÑ GibsonµîÀÇ 1Â÷¿ø ÀÚÁ߾йÐÀÌ·ÐÀ» Åä´ë·Î, ÀÚÁ߾йÐÈ¿°ú ¹× ¼öÆò¹è¼öÀç ¼³Ä¡¿¡ µû¸¥ Ãß°¡ ¾Ð¹ÐÈ¿°ú¸¦ º¹ÇÕÀûÀ¸·Î °í·ÁÇÏ´Â Áö¹è¹æÁ¤½ÄÀ» Á¦½ÃÇÏ¿´À¸¸ç, º» Áö¹è¹æÁ¤½Ä ¹× ¼öÆò¹è¼öÀç ¼³Ä¡È¿°ú¸¦ °í·ÁÇÑ ÃʱâÁ¶°Ç ¹× °æ°èÁ¶°Ç µîÀ» Åä´ë·Î, Dufort-ErankelÀÇ À¯ÇÑÂ÷ºÐÈ ¾Ë°í¸®ÁòÀ» ÀÌ¿ëÇØ ½Ã°£°æ°ú¿¡ µû¸¥ ħÇÏ·® ¹× ¾Ð¹Ðµµ µîÀÇ º¯È¸¦ ¿¹ÃøÇϱâ À§ÇÑ ÇØ¼®ÀýÂ÷¸¦ Á¦½ÃÇÏ¿´´Ù. ¶ÇÇÑ Á¦½ÃµÈ ÇØ¼®ÀýÂ÷ÀÇ Àû¿ë Ÿ´ç¼º È®ÀÎÀ» À§ÇØ, ¾È»ê ½ÃÈÁö±¸ Áؼ³¸Å¸³Á¡Åä ¹× ÇÃ¶ó½ºÆ½ ¼öÆò¹è¼öÀ縦 ÀÌ¿ëÇÑ ½Ç³»¸ðÇü½ÇÇèÀ» ½Ç½ÃÇÏ¿´´Ù. ½Ç³»½ÇÇèÀ» ÅëÇØ, ¾È»ê ½ÃÈÁö±¸ Áؼ³¸Å¸³Á¡ÅäÀÇ °£±Øºñ-À¯È¿ÀÀ·Â °ü°è ¹× Åõ¼ö°è¼ö-°£±Øºñ °ü°è µîÀ» Á¤·®ÀûÀ¸·Î Á¤ÀÇÇϱâ À§ÇÑ ±âÃÊÀڷḦ ȹµæ ÇÏ¿´À¸¸ç. ¶ÇÇÑ ½Ã°£°æ°ú¿¡ µû¸¥ ±íÀ̺° ħÇÏ·®µîÀ» ÃøÁ¤ÇÏ¿© º» ¿¬±¸¿¡¼ Á¦½ÃµÈ ÇØ¼®ÀýÂ÷¿¡ ÀÇÇÑ ¿¹ÃøÄ¡¿Í ºñ±³.ºÐ¼®ÇÏ¿´´Ù. À̿ܿ¡µµ ÇÃ¶ó½ºÆ½ ¹è¼öÀç ¼öÆò¹è¼ö°ø¹ý¿¡ °ü·ÃµÈ ¼³°èº¯¼ö°¡ ¾Ð¹ÐħÇϵ ¹ÌÄ¡´Â ¿µÇâÀ» Á¦½ÃµÈ ÇØ¼®ÀýÂ÷¸¦ ÀÌ¿ëÇØ ºÐ¼®ÇÏ¿´À¸¸ç, ÀÌ °á°ú¸¦ Åä´ë·Î ÇÑ ¼³°èµµÇ¥ÀÇ Á¦½Ãµµ ÀÌ·ç¾î Á³´Ù. |
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| In the present study, 2-D consolidation theory of the dredged clay by means of the horizontal drain method is proposed. The horizontal drain method to install the drains such as plastic drain board within the dredged clay is a soil improvement method to accelerate the consolidation by expelling pore water in the vertical direction along the horizontal drains. Based on the finite strain consolidation theory by Gibson et al., the partial differential equation of 2-D consolidation due to the horizontal drain is derived. The consolidation due to the horizontal drain can be illustrated from combined self-weight consolidation effect and consolidation effect by horizontal drains. For the prediction of consolidation settlement and degree of consolidation numerical analysis is suggested on the basis of Dufort-Frankel finite differential algorithm. Also, the analytical procedures proposed in this study are verified by the model tests, and the predictions of the consolidation settlement and degree of consolidation are compared with the results obtained from the tests for the dredged clay gathering at Siwha site in Ansan, Korea. For the predictions, the relationship void ratio vs effective stress and the relationship permeability vs void ratio of the dredged clay are obtained from the odometer tests. Additionally, the parametric study for consolidation settlement by variations of design parameters related with horizontal drain method is carried out. Based on the results of the parametric study, design .charts for the preliminary design are also proposed. |
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| Ű¿öµå |
| Horizontal drain method;Self-weight consolidation;Finite strain consolidation theory;Finite differential method; |
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.14, no.6, 1998³â, pp.93-112
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811921757713)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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