EXECUTION METHOD OF ASSEMBLING MANHOLE

摘要

PROBLEM TO BE SOLVED: To provide an execution method of an assembling manhole capable of preventing damage of the joint of cylindrical ring member in an earthquake and securely keeping cutting off property and watersealability. SOLUTION: A recessed groove and a protruded streak which are fitted loose with each other are formed in the mutual joint of a cylindrical ring-shaped ring member of an assembling manhole. An open cell cellular sponge impregnated with a soft and tacky adhesive is put in a gap between the recessed groove and the protruded streak to assemble the manhole.