CONNECTING STRUCTURE BETWEEN FOOTING AND HYBRID CONCRETE PILE HAVING VARIOUS CROSS-SECTION

摘要

PURPOSE: A pre-stressed concrete composite pile with a variable cross section including tendon and a joint structure of spread foundation are provided to improve resistance on moment by horizontal force. CONSTITUTION: A pre-stressed concrete composite pile with a variable cross section including tendon comprises a length adjustment portion, a tendon arrangement portion, and a connection portion. A reinforcing bar insertion pipe, into which a footing connecting reinforcing bar(102) is inserted, is embedded in the length adjustment portion. A tendon(101) remains in the tendon arrangement portion. The tendon applies tensile force by a pretension method for the reinforcement of a pile body. The connection portion connects to a lower concrete pile(2).