[V-391] Confirmation test on punching shear load carrying performance of longitudinal joints of precast PC slabs in cross-sectional construction
Keywords:cross-sectional construction, precast PC slab, longitudinal joint, punching shear test
PC slab which is constructed by cross-sectional division in the replacement work for the slab is provided with a joint having mortar in the direction perpendicular to the bridge axis. Prestressing by post-tension laterally tightened PC steel has been integrated. The joint in the direction perpendicular to the bridge axis in such a sectional division construction is provided at a position where the bending moment is minimized. Since there is nothing under the joint, punching shear load carrying performance at the joint just above the joint and when the wheel load is loaded just beside the joint is compared with the test body simulating the actual bridge Punching shear test was carried out.
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