An external prestressed multi-point anchorage reinforcement method for bridge structures
An external prestressing and bridge structure technology, applied in bridge reinforcement, bridges, bridge materials, etc., can solve the problems of low effective prestressing and inconspicuous reinforcement effects of longitudinal bridges, and achieve compensation for losses, change of mechanical properties, and stress clear effect
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[0027] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, but not for limiting the protection scope of the present invention.
[0028] Such as figure 1 -7, in the figure: 1 is the tooth block, 2 is the prestressed steel beam I, 3 is the prestressed steel beam II, 4 is the anchor point, 5 is the end anchor device, 6 is the mid-span straight anchor device, 7 8 is the backing plate, 8 is the prestressed steel beam, 9 is the section of the box girder, 10 is the bolt backing plate, 11 is the nut, 12-screw, 13-rubber block, 14-concrete block, 15-anchor clip.
[0029] At present, the main diseases of the continuous rigid frame bridges in service are all related to the excessive loss of prestress, and the main content of this embodiment is described by taking the continuous rigid frame bridge as an ex...
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