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COMPLEX EXPANSION JOINT SYSTEM INSTALLED ON AN OVERPASS OR BETWEEN AN UPPER STRUCTURE AND AN UPPER STRUCTURE OF A BRIDGE, CAPABLE OF APPLYING WIDELY AGAINST EXPANSION LENGTH OF ADJACENT UPPER STRUCTURES
COMPLEX EXPANSION JOINT SYSTEM INSTALLED ON AN OVERPASS OR BETWEEN AN UPPER STRUCTURE AND AN UPPER STRUCTURE OF A BRIDGE, CAPABLE OF APPLYING WIDELY AGAINST EXPANSION LENGTH OF ADJACENT UPPER STRUCTURES
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机译:在桥上或桥的上部结构与上部结构之间安装的复杂膨胀节系统,能够广泛地使用相邻上部结构的膨胀长度
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摘要
PURPOSE: A complex expansion joint system is provided to apply widely against expansion length of upper structures without increasing the number of intermediate rails and to simplify maintenance work by reducing the noise and damage with buffer capacity and a simple structure. CONSTITUTION: The complex expansion joint system(100) comprises: a primary finger member(110) installed on the edge of a primary upper structure(10) and provided with fingers(112) and finger grooves(114) which are formed in turn toward a secondary upper structure(20); a primary finger member supporter fixing and supporting the primary finger member(110) to the primary upper structure(10); a secondary finger member(130) installed on the edge of the secondary upper structure(20) to be opposite to the primary finger member(110) and provided with fingers(132) and finger grooves(134) which are formed in turn toward the primary upper structure(10); a secondary finger supporter fixing and supporting the secondary finger member(130) to the secondary upper structure(20); a third finger member(150) placed between the primary finger member(110) and the secondary finger member(130) and provided with finger grooves(153,155) for inserting the fingers and fingers(152,154) coupled to the finger grooves of the primary finger member(110) and the secondary finger member(130) which are formed in turn toward both sides of the primary finger member(110) and the secondary finger member(130); an intermediate rail(160) placed between the primary finger supporter and the secondary finger supporter to support the third finger member(150); an intermediate finger rail supporter installed on the primary upper structure(10) and the secondary upper structure(20) to support the intermediate rail(160) and to allow the expansion of the primary upper structure(10) and the secondary upper structure(20); and a rail spacer installed between the primary upper structure(10) and the secondary upper structure(20) to be expanded and to keep the horizontal position of the intermediate rail(160).
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