THE BASE STRUCTURE DESIGN OF MOLDED POLYURETHANE RIGID FOAM

The base structure design of molded polyurethane rigid foam should be based on the actual engineering structure type, and put forward specific technical requirements, base treatment methods and quality control measures. The base layer of the molded polyurethane rigid foam is a load-bearing masonry wall. The strength grade of the block material should not be less than MU10; the strength grade of the block material filling the masonry wall should not be lower than MU5.0; The effective anchorage length should be greater than 25 mm. The masonry mortar of the masonry shall be full and shall meet the technical quality requirements of the dry wall. The joints between the filled masonry and concrete shear walls, beams and columns shall be laid with galvanized steel wire mesh and cement mortar shall be applied.

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