As it is unification manner of the top and bottom amount split mold box culvert null top and bottom amount split mold box culvert which is used for

摘要

PROBLEM TO BE SOLVED: To easily connect a vertically divided box culvert with high strength.;SOLUTION: In this vertically divided box culvert, a stud is embedded in a side wall part of an upper box culvert and a lower box culvert with its end part exposed, and a plate is fixed to the end part of the stud. The vertically divided box culvert is integrated with the upper box culvert and the lower box culvert by welding by butting the mutual plates.;COPYRIGHT: (C)2006,JPO&NCIPI