AXIAL FORCE TRANSFER MECHANISM FROM STEEL COLUMN TO REINFORCED CONCRETE PILE

Abstract

Steel columns embedded in reinforced concrete pile support live load under construction in the top-down construction method. Axial force supported by steel columns is transferred to reinforced concrete pile by shear resistance of stud connectors and bond resistance between steel and concrete. This paper describes transfer mechanism of axial force from steel columns to reinforced concrete pile. Based on the experimental results, parametric studies by FEM are conducted. Evaluation methods of axial strength and shear force distribution of stud connectors are proposed. The proposed methods are applicable to the evaluation of shear force distribution and axial strength.