CULVERT REHABILITATION (GEOPOLYMER LINING) (01-25): 1.0 DESCRIPTION. Furnish and install a Geopolymer lining inside existing culverts in accordance with these specifications, manufacturer’s recommendation, and in conformance with the lines and grades shown on the plans or established by the Engineer. 2.0 MATERIALS. 2.1 Physical Requirements: The Geopolymer lining material shall be centrifugally cast, manually sprayed, or hand troweled. The Geopolymer lining material shall be a micro-fiber reinforced, ultra-dense Geopolymer. The microfiber shall be on the Approved Materials List (AML). This material shall provide a high strength fiber reinforced mortar specifically designed for ease of mechanical pumping, spraying, and spin casting. The Geopolymer liner shall not clog spinner heads or spray equipment. The Geopolymer liner shall be designed to meet the physical property requirements shown in Table 2. The finished infrastructure shall be such that once the Geopolymer liner sets, the total wall thickness will be homogeneous and monolithic...
