Where should I pay attention to the formwork?
When the welded steel bar and the formwork are installed together, the following requirements shall be met:The formwork must be fixed on the joint of the load-bearing welded steel frame;When installing the reinforcing steel formwork assembly, the sling shall be tied up according to the hanging point designed by the template.
When the interlayer height is greater than 5m, the truss formwork or the multi layer support formwork should be adoptedWhen the formwork is supported by a multi layer support, the support plate shall be smooth, the support shall be vertical, and the upper and lower support shall be on the same rigid central line.(5) when the segmental demoulding is adopted, the pivot of the bottom die shall be designed according to the template, and the sections shall be in the same plane, and the height difference shall not exceed 3mm.
In the case of cast in place multi-storey houses and structures, the method of segmental formwork shall be adopted, and the upper formwork and its support shall be installed and shall meet the following requirements:The lower floor shall bear the load-bearing capacity of the upper layer or support with the support;The column of the upper bracket shall be used for the column of the lower layer bracket and the padding plate shall be laid;When the suspension formwork and truss formwork method are adopted, the supporting capacity and stiffness of the supporting structure must meet the requirements.
(1) Kennedy to support part of the template and scaffold, when installed in the soil on the plate should be added, and the foundation must be solid and drainage measures of collapsible loess, there must be waterproof measures; frost heaving of soil is stopped, there must be anti freeze thaw measures.(2) in the course of installation of the formwork and its support, the temporary fixing equipment should be set up.
