Multidimensional vibration damper for suspension bridge central buckle containing viscoelasticity energy consumption component and metal rubber
A technology of metal rubber and vibration damping device, which is applied in the fields of anti-seismic and anti-shock, and wind resistance in civil engineering, which can solve the problems of increased stress, multi-energy, and damage of the central buckle member, and achieve reduced dynamic response, high degree of assembly, and The effect of full exposure
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[0031] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0032] like figure 1 As shown, the suspension bridge central buckle multi-dimensional damping device containing viscoelastic energy-dissipating components and metal rubber includes: steel wire rope 1, return spring 2, propeller energy-dissipating device 3, annular rubber backing plate 4, viscoelastic material 5, opening downward Cuboid steel box support 6, cylindrical steel box 7, L-shaped angle steel 8, external high-strength bolts 9, embedded high-strength bolts 10, cylindrical metal rubber 11.
[0033] Taking a self-anchored double-cable plane prestressed concrete suspension bridge as an example, the main cable span combination of the bridge is (40+100+40)m, the rise-span ratio is 1 / 5, and the shortest suspension cable is 4.16m. The size and setting method of each part of the central buckle are as follows:
[0034] 1) The energy dissipati...
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