| 摘要 |
A manhole form is provided to couple a manhole and a pipe strongly, easily and exactly, to prevent the leakage of water on a joint of a manhole and a pipe and to prevent the stagnation of waste water, rainwater and filth on the base of a manhole. The manhole form(1) comprises an inner form(10) formed by coupling plural inner form members(11) to form an internal wall of a manhole and provided with an inverter formation unit to form a semicircular inverter on the base of the manhole to prevent the stagnation of waste water, rainwater and filth and a pipe connection(15) to connect the end of a pipe(60) coupled to the manhole tightly, an outer form(20) formed by coupling plural outer form members(21) to form an external wall of a manhole, and a pipe joint(30) composed of a pipe joint formation unit(31) formed on one section of the outer form corresponded to the pipe connection of the inner form, a pipe joint location control plate(33) placed in the pipe joint formation unit and a fixing member(35) fixing the pipe joint location control plate. |
