DEVELOPMENT OF A NEW STEEL PIPE PILE FOUNDATION CONSTRUCTED BY SOIL-CEMENT MIXTURE METHOD

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  • ソイルセメント利用新形式鋼管杭の開発

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A new steel pipe pile foundation is developed, to which soil-cement mixture method is applied. The characteristics are as follows.<br>1) The foundations have high bearing capacity, i. e., the end bearing capacity is greater than that of cast-in-place concrete piles and the frictional resistance is greater than that of bored piles.<br>2) Smaller amount of waste soil arises, compared with cast-in-place concrete piles and bored precast piles.<br>3) As to economy of pile material, the strength of steel pipe is nearly equal to the bearing capacity of ground in the foundations, whereas the strength is higher than the bearing capacity in usual pile foundations.

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