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某教学主楼,为框架剪力墙结构,第一层净空高度为6.4米,全部现浇。我单位在浇筑第一层柱、墙混凝土时,经过试验对传统作法进行了以下改进。1.柱、墙模板均一次支到高6米,柱、墙模板侧面不留灌筑口。2.混凝土灌筑不分段,使用8米长插入振捣棒,一次灌筑到顶。3.柱、墙混凝土灌筑均用人工一锹一锹地扣送,严禁整斗下灰,这
The main building of a teaching building is a frame shear wall structure. The first floor clearance height is 6.4 meters and all are cast in place. When my unit poured the first layer of columns and wall concrete, the following improvements were made to the traditional methods after tests. 1. The column and wall formwork are all supported up to 6 meters at a time, leaving no irrigation opening on the side of the column and wall formwork. 2. The concrete shall not be segmented and shall be inserted into the top with 8 meters long vibrators. 3. Columns and walls of concrete shall be detained manually and collectively. It is forbidden to throw the entire bucket down.