| 摘要 |
PROBLEM TO BE SOLVED: To solve the following problems: conventional temporary plastic forms are made on the assumption that they are used in a standard size, which requires preparing many types of forms different in size according to a position where they are used, and a frame body and a reinforcing rib are integrally molded, which deteriorates working efficiency in transportation and handling. SOLUTION: A form molded with an extrusion molded plastic is used as a temporary form whose surface contacting with concrete, a reinforcing material for reinforcing the form is made separately from the form, and the form, the reinforcing material, and L-steel are fixed by fixing fittings to improve working efficiency. COPYRIGHT: (C)2010,JPO&INPIT
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