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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.4, 1999³â, pp.113-132
À¯ÀüÀÚ ¾Ë°í¸®Áò ¹× Àΰø½Å°æ¸Á ÀÌ·ÐÀ» ÀÌ¿ëÇÑ ½îÀϳ×Àϸµ ±¼Âøº®Ã¼ ½Ã½ºÅÛÀÇ ÃÖÀû¼³°è
( Optimum Design of Soil Nailing Excavation Wall System Using Genetic Algorithm and Neural Network Theory )
±èÈ«ÅÃ;ȲÁ¤¼ø;¹Ú¼º¿ø;À¯ÇѱÔ; È«ÀÍ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;(Àç)Çѱ¹Ã¶µµ±â¼ú°ø»ç;È«ÀÍ´ëÇб³ Åä¸ñ°øÇаú ´ëÇпø;ÇѾç´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ¤ýȯ°æ°øÇаú;
 
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Recently in Korea, application of the soil nailing is gradually extended to the sites of excavations and slopes having various ground conditions and field characteristics. Design of the soil nailing is generally carried out in two steps, The First step is to examine the minimum safety factor against a sliding of the reinforced nailed-soil mass based on the limit equilibrium approach, and the second step is to check the maximum displacement expected to occur at facing using the numerical analysis technique. However, design parameters related to the soil nailing system are so various that a reliable design method considering interrelationships between these design parameters is continuously necessary. Additionally, taking into account the anisotropic characteristics of in-situ grounds, disturbances in collecting the soil samples and errors in measurements, a systematic analysis of the field measurement data as well as a rational technique of the optimum design is required to improve with respect to economical efficiency. As a part of these purposes, in the present study, a procedure for the optimum design of a soil nailing excavation wall system is proposed. Focusing on a minimization of the expenses in construction, the optimum design procedure is formulated based on the genetic algorithm. Neural network theory is further adopted in predicting the maximum horizontal displacement at a shotcrete facing. Using the proposed procedure, various effects of relevant design parameters are also analyzed. Finally, an optimized design section is compared with the existing design section at the excavation site being constructed, in order to verify a validity of the proposed procedure.
 
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Optimum design;Soil nailing excavation system;Genetic algorithm;Neural network theory;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.4, 1999³â, pp.113-132
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921749363)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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