Standard application, maintenance and reasonable storage for the construction of circular column formwork
One: Standard application of building circular column formwork
1. The circular column forms should be dislocated. First, the wire should be closed and closed, and then fixed with a fixed steel strip. The average interval of the fixed steel strip is 30cm. After the forms is closed and reinforced, the bottom plane of the forms is preferably 0.5-1 cm away from the ground and is sewed with concrete.
2. In order to maintain the forms in the future, it is necessary to add 4*10cm wooden squares nearby, and fix the wooden squares with steel pipes every 50-100cm intervals on the wooden side to vertically position the circular column forms.
3. The parts of the upper and lower interface devices of the two forms are reinforced with fixed steel strips. The circular column formwork irrigated concrete can be irrigated within one meter within seven meters. It is recommended to irrigate twice for more than seven meters, and the second for 30-60 minutes after the second irrigation. Secondary irrigation.
4. when dealing with the problem of repairing the problem: wooden circular column forms, if applied after a slight scratch, damage can be filled with putty and then sealed with special repair paint, larger damage, can be nailed into the wedge, and then putty Refinish repair.
Two: The maintenance of the circular column forms
After the wooden circular column formwork is applied, the surface layer of the watch should be completely cleaned. It is not necessary to use sharp objects during the cleaning process to avoid damaging the epoxy resin on the surface of the formwork. If it is stored for a long time, it is maintained on the surface of the formwork.
During the storage process, the circular column formwork should be protected from the violent deformation of the stencil caused by the sun and rain and the aging of the outer film. At the construction site, the circular column formwork should be stored on a flat dry ground with no less than 3 10*10cm wooden level support at the bottom to prevent local storage at temperature and humidity points.
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