Field Test and Numerical Simulation Analysis of Bearing Characteristics of Large Diameter Pile Group Foundation
In this paper,the vertical and horizontal bearing characteristics of foundation pile and pile group are analyzed by virtual simulation method.The results show that the horizontal displacement of pile top increases with the increase of load,and the maximum horizontal displacement is 34.6 mm.When the load is 800 kN,the load displacement curve begins to bend,and the horizontal displacement of pile top is 10 mm under this condition.The vertical displacement of the center point of the cap under the first load is 5 mm,and that under the maximum load is 86 mm.The horizontal displacement of the center point of the cap under the first level of horizontal load is 3 mm,and the horizontal displacement of the center point under the maximum load is 38 mm.The maximum vertical displacement of the center pile is 86 mm,and the minimum vertical displacement of the corner pile is 83.5 mm.The maximum horizontal displacement of the center pile is 38 mm,and the minimum vertical displacement of the corner pile is 35.2 mm.
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