---
publication_id: "OT-2026-000000830"
title: "Rainwater storage device and construction method thereof"
published_at: "2026-09-15T19:03:27.640908Z"
canonical_url: "https://opentechnical.org/p/OT-2026-000000830"
categories:
  - "material-handling/conveying-systems"
keywords:
  - "b65g5/00"
  - "e03f1/002"
---

# Rainwater storage device and construction method thereof

## Abstract

A rainwater storage device includes a plurality of water storage pipes buried in a ground, the water storage pipes each having a rainwater inflow port on a surface of a ground; and a lower connecting pipe that connects bottom part regions of the plurality of water storage pipes. The plurality of water storage pipes is arranged in a plurality of rows and columns, extending in a longitudinal direction and a lateral direction, respectively, and the lower connecting pipe is arranged in an inclined state toward one water storage pipe out of the plurality of water storage pipes.