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Concrete Formwork Removal Time.

- Sep 21, 2018 -

The setting rate of concrete or the strength of concrete is dependent on temperature and affects the removal time of the form. For example, the time required to remove concrete in winter will exceed the time required for summer.

Special precautions must be taken when removing the bent parts such as beams and boards from the formwork. Even though these parts are under construction, they are subject to self loading and live loading, so they may bow unless they are strong enough to withstand the load.

In order to evaluate the strength of concrete before removing formwork, it is necessary to test concrete cubes or cylinders. Concrete cubes or cylinders are prepared from the same mixture as the structural members and must be cured under the same temperature and humidity conditions as the structural members.

It is necessary to remove the template only when it is confirmed that the concrete of the structural member has sufficient strength to withstand the design load. If possible, you need to place the template for a long time to help with healing.