To provide an impact-resistant permanent form made of a rubber, which surely protects a concrete structure such as a check dam and a bridge pier by absorbing an impact generated by a collision, even if a rock, driftwood or the like collides with a form body, which facilitates transportation and storage, and which can be manufactured by using a manufacturing mold, without reference to the shape of the form body, when the form body is molded.
This impact-resistant permanent form comprises: the thick-walled rubber form body (1); a reinforcing material (2) which is embedded in the form body (1); and a plurality of female screw members (3) which are fixed to the reinforcing material (2) and provided in such a manner as to be flush with the backside (1a) of the form body (1) or be dented from the backside (1a).
JPS60109409A | 1985-06-14 | |||
JPS60109410A | 1985-06-14 | |||
JP2004150136A | 2004-05-27 | |||
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JPS6032419U | 1985-03-05 | |||
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