To provide a method for checking an end bearing capacity of a cast-in-place pile, which enables a loading reaction force to be obtained by dispensing with a reaction pile and a reaction girder, which enables the acquisition of information on a skin friction force, and which enables a test pile to be used as a permanent one.
A load transfer member 11, which is formed by providing as loading plate 11b at a leading end of a loading rod 11a, is installed inside an excavated hole 1 formed by excavating the ground G, in a state in which the loading plate 11b is brought into contact with a hole bottom 1a of the excavated hole 1; and the cast-in-place pile B is formed by pouring concrete 2 in the state of applying friction cutting 12 between it and the load transfer member 11. A loading device 14 is installed on the head of the loading rod 11a which is arranged in an upper position from a pile head of the cast-in-place pile B; a reaction member 15 is installed on the loading device 14 in such a manner as to be connected to a steel material 13 embedded and fixed in the concrete 2; and the load is imposed on the leading end of the cast-in-place pile B from the load transfer member 11 by the loading device 14 while the reaction force is secured by the reaction member 15.
Tadashi Takahashi
Takashi Watanabe
Yoshifumi Saeki