MANHOLE REPAIR METHOD

PROBLEM TO BE SOLVED: To provide a manhole repair method for constituting a solid lining layer for repair by a manhole repair material and a grout material inexpensively. SOLUTION: In this manhole repair method, a fiber reinforced resin is laminated on a mold by a hand lay up method, diecutting is performed, and a repair material body 9 made of FRP and formed by cutting one section in the peripheral direction of a cylindrical body in the vertical direction is formed. The repair material body 9 is developed like a flat plate, and a normal temperature hardening resin adhesive 61 is applied on its outer face to form an adhesive layer 63. No.3 silica sand 65 is sprayed on the adhesive layer 63 to form a silica sand layer 13. The lining layer for repair is formed by using the manhole repair material prepared by hardening the adhesive layer 63 and fixing the silica sand layer 13 on the adhesive layer 63 and the grout material prepared by mixing cement powder parts, resin parts formed by a normal temperature hardening resin material, and water together. COPYRIGHT: (C)2010,JPO&INPIT