Teruhisa KOJIMA

Numerical Experiment of Rainfall Drain System in Low Plain

Tokuzou HOSOYAMADA

There is little thing to which the water collected by the rainfall etc. is naturally exhausted in the region where altitudes are lower than the surface of the water and the seawater sides in the river.
In this research, it has aimed to tie to the development of the rainfall drain system by calculating the behavior of water at the flood by combining the flood calculation on the ground with the conduit calculation that can be put under the soil, and proposing a proposal of the installation of drainage facilities and an efficient operation driving method based on this result.
In conclusion, the understanding of the flow in the conduit net in the underground can and be said being able the recognition of the possibility of the flood of the ground that originates in the backflow of the conduit, and being able the recognition of the region where the damage of the flood at the rainfall is received easily moreover.