Brick concrete structure of Chenxi North Garden Bid H Project Brick masonry Method Statement
1.1 Materials and main machines and tools: 1.1.1 Bricks: the variety and strength grade must meet the design requirements, with factory certificate and test sheet. The bricks of the clean water wall shall have uniform color and neat corners. 1.1.2 Cement: the type and mark shall be selected according to the masonry position and the environmental conditions. Generally, 325 ordinary Portland cement or slag Portland cement should be used. 1.1.3 Sand: medium sand shall be used. The silt content of sand used for preparing mortar below M5 shall not exceed 10%, and that of mortar M5 and above shall not exceed 5%. Before use, sieve with a 5mm aperture. 1.1.4 Admixture: lime curing time shall not be less than 7d, or fly ash shall be used. 1.1.5 Other materials: wall tie bars and embedded parts, wood bricks shall be painted with preservatives, etc. 1.1.6 Main machines and tools: large shovels, planers, tile knives, flat pieces, line boards, line pendants, small white lines, tape measures, molten iron rulers, leather poles, small buckets, ash troughs, brick ashes, brooms, etc. shall be provided.