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Connection apparatus of Steel pipe for strut, steel pipe strut using thereof and method of constructing the steel pipe strut
Connection apparatus of Steel pipe for strut, steel pipe strut using thereof and method of constructing the steel pipe strut
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机译:支柱用钢管的连接装置,使用该连接装置的钢管支柱及该钢管支柱的构造方法
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摘要
PURPOSE: A connection device for a friction coupling type steel pipe spread beam, the steel pipe spread beam for supporting a retaining wall using the same, and a construction method of the spread beam are provided to improve coupling performance of the steel pipe spread beam because a coupling force of every bolt to connect a ring plate can evenly reach an optimal value. CONSTITUTION: A connection device for a friction coupling type steel pipe spread beam comprises a first ring plate(110), a second ring plate(120), a plurality of reinforcement pieces(300), a connection unit(400), and a coupling unit(130). First and second coupling pieces(111,121) are individually formed on both ends of a circumference direction in the first and second ring plates. A plurality of the reinforcement pieces is vertically installed in the first and second coupling pieces. The connection unit comprises a head unit(410) and a connection unit(420) and is fixed by the coupling unit.
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