FUNCTIONAL PRECAST CONCRETE CULVERT

摘要

The present invention is to provide a functional precast concrete culvert capable of maximizing force against the load of an airplane or a heavy vehicle by forming load reinforcement parts with a larger haunch to have a vertically asymmetric structure and obtaining both a road function and a culvert function even through the installation of a grating catchment, a general culvert, or a centrifugal pipe is difficult or impossible. To achieve the objective of the present invention, the functional precast concrete culvert formed by longitudinally connecting two or more culverts comprises: a culvert body entirely formed into the shape of a hexahedron and having a penetration hole longitudinally penetrated inside, an opening part formed in the upper part, the arch load reinforcement parts formed on the underside of the upper part, corner support parts formed at the corners of the lower part, and a protrusion part protruding downward from the middle of the outer underside; sheath pipes longitudinally embedded in the corner support parts of the culvert body; tendons embedded in the sheath pipes; and a bottom plate in which the protrusion part of the culvert body is inserted and having a rectangular panel formed of concrete with a predetermined thickness and a width, an insertion groove recessed in the center of the panel while having a cross sectional shape gradually narrowed downward from the upper part, grout injection ports and discharge ports bored in both sides of the upper surface of the panel at a constant interval, and an insertion port formed in a predetermined position of the panel while being narrowed downward from the upper part.