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Methods of determining capability and quality of foundation piles and of designing foundation piles, apparatus for measuring ground characteristics, method of making hole for foundation pile such as cast-in-situ pile and apparatus therefor
Methods of determining capability and quality of foundation piles and of designing foundation piles, apparatus for measuring ground characteristics, method of making hole for foundation pile such as cast-in-situ pile and apparatus therefor
The method comprises positioning a ground characteristics analyzer (S) in a bored hole (B) where the foundation pile is constructed, displacing the surrounding ground of the bored hole, and measuring the force applied to the bored hole and the induced displacement so that the characteristics and quality of the soil and pile can be analyzed simultaneously with executing the construction. A ground characteristics analyzer (S) with which the above-mentioned methods are performed comprises a horizontal pressing device (S1) which protrudes in the radial direction from the outer peripheral of the body of the analyzer to displace the surrounding ground of the bored hole (B), and a vertical pressing device (S2) which protrudes downward to deform the bottom ground of the bored hole.
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