| 摘要 |
PURPOSE: A prefabricated rainwater storing facility is provided to reduce the construction period by easily and rapidly being constructed. CONSTITUTION: A prefabricated rainwater storing facility comprises a main water storage unit(100) and a sub water storage unit(200). The main water storage unit comprises four manhole portions(110) and a connection portion(120). The sub water storage unit is installed in the inner side of the main storage unit. The sub water storage unit is composed in the inner side of the girth formed with the connection portion and is formed by stacking and connecting a plurality of sub blocks. |
