The method of using prestress to improve the integrity and durability of hollow slab frame bridge
A hollow slab and frame bridge technology, applied in the field of bridge engineering, can solve problems such as poor fatigue resistance and concrete fatigue damage, and achieve the effects of improving structural durability, reducing structural self-weight, and ensuring driving comfort.
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[0027] The present invention will be further described below in conjunction with the accompanying drawings.
[0028] Such as Figure 1-Figure 8 As shown, the hollow slab frame bridge adopts prestressing to improve integrity and durability, including roof 1, side wall 2, bottom plate 3, side wall vertical prestressing tendons 5, roof longitudinal prestressing tendons 6, roof transverse prestressing tendons 7. Bottom plate longitudinal prestressed tendons 8 and anchors 9. The vertical prestressed tendons 5 of the side wall are set in the side wall 2, the longitudinal prestressed tendons 6 of the top plate and the transverse prestressed tendons 7 of the roof are set in the top plate 1; the longitudinal prestressed tendons 8 of the bottom plate are set in the bottom plate 3; Anchor the vertical prestressed tendons 5 of the side wall, the longitudinal prestressed tendons 6 of the roof, the transverse prestressed tendons 7 of the roof and the longitudinal prestressed tendons 8 of t...
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