| 摘要 |
A concrete form for corner is provided to increase the quality of facilities due to precise construction and to increase productivity by performing dismantling work conveniently. A concrete form(1) for corner is coupled with ordinary concrete forms at two sides by fixing pins and installed the corner bent at 90 degrees to form the corner of a concrete wall. The concrete form includes a first face portion(11) and a second face portion(13) bent at the appointed angles, a first side face portion(15) and a second side face portion(17) extended from the first face portion and the second face portion, plural extension portions(21,23) coupled to the inside of the first and the second face portion or the first and the second side face portion to heighten the stiffness of the concrete form for a corner, a first guide member(25) and a second guide member(27) sliding to guide the first and the second face portion to change the angle formed by the first and the second face portion, and a first stopper(31) and a second stopper(33) coupled to the second guide member and contacted with two sides of the first guide member to keep the initial fixed angle formed by the first and the second face portion.
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