FLUID CONTAINING DEVICE

摘要

Disclosed is a collector structure including a three-dimensional shaped body; a bottom member having a recess groove in the bottom of the body with the body; a cover member, which is coupled with the upper part of the body and has a penetration unit. An installation hole for a reinforcing bar is installed in the bottom of the body to be connected to the recess hole and make the reinforcing bar arranged in the recess groove. The reinforcing bar is arranged In the recess groove through the installation hole and then concrete or mortar is deposited.