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http://dx.doi.org/10.7843/kgs.2006.22.10.165

The Study of Group Piles under Lateral Soil Movement in Sand by Model test  

Bae, Jong-Soon (Dept., of Civil Eng., Gyeongsang Univ., Engrg. Research Institute)
Kim, Sung-Ho (Dept. of Civil Eng., Gyeongsang Univ.)
Kwon, Min-Jea (Dept. of Civil Eng., Gyeongsang Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.22, no.10, 2006 , pp. 165-172 More about this Journal
Abstract
This study describes a series of model tests on instrumented pile groups embedded in HAP-CHEN sand undergoing lateral movement. We tried to find the effect of group piles dependent on a number of factors, including the position of the pile in a group, the pile spacing, and the pile arrangement. The results of test are as follows. For the group piles, the bending moment profile for each pile is similar in shape to that of single pile, although the magnitude and the position of the maximum bending moment are different. $R_M$ (the ratio of maximum bending moment) and $R_F$ (the ratio of resistance to lateral soil movement) were found to increase with increasing pile spacing. When a pile is in a group under lateral soil movement, RM increased in the order of the middle row, front row, back row, according to the direction of lateral deformation, and the outer pile has a larger RM than the inner pile.
Keywords
Effect of group; Group piles; Lateral movement; Pile arrangement; Pile spacing;
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