COMPOSITE MEMBER USING RESIDUAL COMPRESSION STRESS

摘要

PROBLEM TO BE SOLVED: To provide a composed member more economical in structure by reduction in reinforcement quantity or the like, compared with a conventional PRC composed member and more precisely numerically reflecting the deformation limit to a design load or the like by utilizing the residual compression stress acting on a precast member and carried over to the composed member. SOLUTION: A cast-in-place concrete slab is placed on a precast PC or PRC beam to form a PC or PRC composed beam. In the determination of the section of the PC or PRC composed beam, the residual compression stress carried over to the PC or PRC composed beam from the state of the precast PC or PRC composed beam is utilized to determine the quantities or positions of PC steel product and reinforcement on the pulling side of a neutral axis.