| 摘要 |
A prefabricated manhole is provided to reduce assembly cost and construction time by pre-producing unit body members through combining units and pipe connecting units. A prefabricated manhole(1) comprises a plurality of unit body members(10), combining units(30), and pipe connecting units. The combining units are installed at the body members to connect the unit body members with a manhole shape. The pipe connecting units are installed at more than one of the unit body members and connected with external connecting pipes. The unit body members have plate shaped body members. A floor member(50) and a cover are installed at the lower and upper parts of the assembled manhole.
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