Side edition joint structure of the culvert which

摘要

PROBLEM TO BE SOLVED: To eliminate those points of increasing required soil bearing, reducing earthquake resistance and durability, reducing an earth placing quantity and requiring an improvement in the foundation ground and installation of piling, since a portal culvert and an arch cross-sectional culvert have a structure of generating the rotational moment in a sill 12.;SOLUTION: In the portal cross-sectional culvert, the arch cross-sectional culvert having a circular top board or a rectangular cross-sectional culvert, hinge joints 3 are arranged on both side boards 2 and 2 integral with the top board 1 to equalize ground reaction.;COPYRIGHT: (C)2001,JPO