| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an inflow sedimentary sand tank capable of inhibiting the flow of foreign matters such as sediment, mud, or wastes into a rainwater storage infiltrating tank, having an inside space wide enough for sufficient maintenance work and also a reduced weight. <P>SOLUTION: The inflow sedimentary sand tank is inserted and installed into the rainwater storage infiltrating tank. It includes a vertically long tank-shaped body 10, the tank-shaped body 10 having a plurality of communication windows 11 as rainwater overflow ports and a rainwater inflow port in the peripheral wall. The peripheral wall of the tank-shaped body 10 uses a resin concrete as a material. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
