CONNECTION STRUCTION OF MANHOLE

摘要

PURPOSE: A manhole connection structure is provided to prevent moisture from being inputted to a joint between a connection structure and a buried conduit by including a connection pipe, a waterproof cap, and a waterproof ring. CONSTITUTION: A connection pipe(310) passes through one side of a manhole and includes a connection unit(311) and a support unit(312). A waterproof cap(320) is combined with both sides of the connection pipe. The waterproof cap includes a combination unit(321) screwed with the support unit and an insertion unit(322). A waterproof ring(330) seals a joint between the buried pipe and the connection tube.