Removal rihuta and inclinable lift construction method and removal lift construction method of road surface cutting removal ones of manhole

摘要

To the utmost, it makes the manhole cover framework and the road surface around that slide in the small Akanashi skillful step as the lump of one body and and others being removal rihuta and removal lift construction method in order to make the Akanashi upper limbs easy state move, 360 degrees turning making use of circular arc condition or the curved surface condition cutter, the center of the manhole as the center, cutting off the road surface around the manhole, annular removal ones B which possess the cut surface of three-dimensional spherical condition with plane surface circle the Akanashi upper limbs, being rihuta in order to remove, it provides the groove hole 2 according to the longitudinal direction of stick bar condition, itself 1 moves to this groove hole 2At the same time stopping piece 3 of the 1 or more of fixed possibility distribution facilities is done, directly with this stopping piece 3 or, as through auxiliary piece 5, necessary place inside the manhole stopping is done, removal rihuta and removal lift construction method of road surface cutting removal ones of the manhole which features that it provides the stopping section 12 on Akanashi in the end of the aforementioned stick bar condition itself, 1 with the road surface it lies between makes the Akanashi skillful step arrange and becomes.