| 摘要 |
PURPOSE: A free bolt tie for construction work is provided to fix forms or a forma and an H beam according to their variable distance under various sizes and shapes of concrete structures. CONSTITUTION: A free bolt tie for construction work comprises a male flat tie(1) and a female flat tie(2). The male flat tie comprises a fixed portion(1a) and a bolt portion(1b). The fixed portion comprises a first pin hole(30) and first cut grooves(40). A wedge pin is inserted into the first pin hole and is fixed to a form. The first cut grooves are formed to face each other at an interval from the first pin hole. A male thread(5) is formed on the outer peripheral surface of the bolt portion. The female flat tie comprises a fixed portion(2a) and a nut pipe(2b). The fixed portion comprises a second pin hole and second cut grooves. A wedge pin is inserted into the second pin hole and is fixed to the form. The second cut grooves are formed to face each other at an interval from the second pin hole. A female thread is formed on the inner peripheral surface of the nut pipe.
|
