地盤定数のばらつきを考慮した杭の鉛直支持力に関する検討と試設計(構造)

概要

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The method for evaluating the difference of SPT N-values is investigated based on the nine SPT at the same site, and the trial design on bearing capacity of the pile considering the SPT N-values variations is conducted. It is shown that (1) The coefficient variation of the average N-values of the layers is comparatively small, though the coefficient variation that uses all N-values is very large ; (2) The bearing capacity of the pile obtained from the limit state design is larger than the allowable stress design, if the difference of the ground constants is appropriately evaluated.
2008-06-20