Septic tank for the foundation plate and the septic tank .

摘要

The present invention as compared to the foundation plate for reinforced concrete of the septic tank, is lightweight, and molding is easy, moreover, excellent productivity, and also to provide a septic tank for foundation plate and septic tanks that can be shortened construction period Septic to. A septic tank 1, set up a septic tank for the foundation plate 2 on top of the bedding compacted Wariguri layer 3 on the bottom of the flat break-holes, is placed on top of the foundation plate. Although not shown in the figure, the holes after installing the septic tank is backfilled with soil. A septic tank for the foundation plate 2 has a slightly larger shape than the width and length of the bottom of the septic tank 1. Septic a foundation plate 2 is made of a molded article of fiber reinforced concrete. Fiber reinforced concrete is a concrete material obtained by mixing short fibers of synthetic fibers or steel fibers and glass fibers in the concrete.BACKGROUND.