GRP MANHOLE, SLAB THEREFOR AND MANUFACTURING METHOD THEREOF

摘要

PURPOSE: A glass fiber reinforced plastic manhole, a slab for the same and a manufacturing method thereof are provided to reduce work period by minimizing parts which can be manufactured in advance. CONSTITUTION: A glass fiber reinforced plastic manhole comprises a main body(100), a connection pipe(200), a lower cover(300) and an upper cover(400). The main body includes a core layer(101) and reinforcement fiber layers(102,103). The connection pipe is connected to a connection hole(110) punched in the main body. The connection pipe is arranged in crossing direction with the longitudinal direction of the main body. The lower cover and upper cover are made of reinforced concrete and cover the both ends in the longitudinal direction of the main body. The upper cover has a projecting pipe(420) combined with a body(410).