| 摘要 |
PURPOSE: A method for preventing crack of a concrete parapet of a concrete structure is provided to improve the structure of the building and the appearance of the building by guiding crack after curing concrete and by preventing corrosion of the steel reinforcement bar, and to cut down maintenance cost by restricting crack. CONSTITUTION: A shape remaining bar is inserted in mounting a form in a concrete construction method by inserting a steel reinforcement bar, installing the form and pouring and curing concrete(30). The steel reinforcement bars are arranged and inserted, and the form is mounted. The form is separated after pouring and curing concrete, and grooves(31) are formed in the middle of the concrete. The crack of the concrete is minimized entirely by generating crack on the groove concentrically. The form with the bent end is installed, and fillers such as rubber, plastic or wood are inserted between the forms. Concrete is poured and cured after inserting the filler, and the sealant is sealed to the filler.
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