Manhole cover/frame exchange method

Details Manhole cover/frame exchange method Manhole cover/frame exchange method

E - Fixed Constructions

01

C

E01C 23/09 (2006.01) E01C 23/06 (2006.01) E02D 29/14 (2006.01) E02D 29/16 (2006.01)

Patent

CA 2426141

The present invention provides a manhole cover/frame exchange method capable of minimizing the size of a portion to be mended, of eliminating a pressing step by a roller machine, of eliminating/reducing steps and a required mending time and of suppressing vibrations, noises and the like during the exchanging process. The manhole cover/frame exchange method comprises steps of: cutting a portion of a paved road around the manhole cover/frame spherically; removing the spherically cut portion; filling a self-curing highly fluid non-shrink filler into a spherical hollow space formed by the removing step, and filling a surface layer material over the self curing highly fluid non-shrink filler. Thus, the pressing step by the roller machine is eliminated by the present invention.

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