| 摘要 |
PROBLEM TO BE SOLVED: To easily remove a form from concrete without damage of the form when demolishing the form in a concrete form construction method. SOLUTION: A blowoff outlet opened to the side where forms 1, 2 are brought into contact with concrete and a nozzle 13 having an intake which communicates with the blowoff outlet and takes in a pressurized fluid when demolishing the forms and applies the pressure of the pressurized fluid from the blowoff outlet to the concrete side are provided in the forms 1, 2 for placing concrete. When demolishing the forms, a pressurized fluid such as compressed air is applied to the nozzle to separate the forms 1, 2 from the concrete by the pressure of the pressurized fluid. Hence, it becomes unneccessary that workers manually remove the forms 1, 2 from the concrete, and since the forms 1, 2 are not damaged on demolishing them, the reusable number of the forms increases.
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