EXTENDED DESIGN METHOD FOR MULTI-ROW STABILIZING PILES AGAINST LANDSLIDE

概要

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Row of piles may often be used to stabilize a sliding mass, in which case, the stabilizing piles should be designed so as to insure not only the stability of each pile row, but also the slope stability with regard to all the pile rows. In this paper, a method of designing several rows of piles to prevent a large landslide has been investigated. By extending the method, established in a previous paper, of designing one row of stabilizing piles, the stabilizing effect of two rows of piles is firstly studied and a method of designing several rows of stabilizing piles is proposed.In the design method proposed in this paper, the ground conditions of a slope are fixed, and the selections of the fixity condition of pile head, the number of pile rows, the position of pile rows, and the pile length above sliding surface are carried out, followed by the systematic selections of factors of mobilization of lateral force, pile diameters, intervals between piles, and pile stiffnesses. An example of the design is presented, with figures to illustrate important factors in the design of multi-row stabilizing piles.
社団法人地盤工学会の論文
1982-03-15