Cable restraint pier anti-seismic structure
A seismic structure and cable technology, applied in bridges, bridge parts, bridge construction, etc., can solve the problems of increasing the area of piers and the amount of reinforcement, excessive displacement of pier tops, design difficulties, etc., so as to reduce engineering costs and reduce piers. and basic internal force, the effect of simple and novel structure
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Embodiment 1
[0023] Such as figure 1 , figure 2 and Figure 7 The shown a kind of cable-constrained pier seismic structure includes two pier 1 arranged in the longitudinal direction, left and right abutments 4, 5 located at the left and right ends, and supports on each of the pier 1 and left and right abutments 4, 5 The upper structure 2 on the bridge pier 1 is a single-column pier without a cover beam, and the first cables 3 are anchored and connected between adjacent piers 1, and the left and right abutments 4, 5 and The bridge piers 1 close to the left and right abutments 4, 5 are all anchored by the second cable 6, and the connecting ends of the first cable 3 and the second cable 6 are all anchored at the top of each of the bridge piers 1. The first cable 3 and the second cable 6 can be one cable anchored on each pier 1 and the left and right abutments 4, 5, or they can be segmented cables anchored to each pier 1a and the left and right abutments 4, 5 respectively between.
Embodiment 2
[0025] Such as image 3 , Figure 4 and Figure 7 A cable restrained pier seismic structure shown includes two pier 1 arranged longitudinally, left and right abutments 4, 5 located at the left and right ends, and supports on each of the pier 1 and left and right abutments 4, 5 The upper structure 2 of the pier 1 is a single-column pier composed of a pier body 1a and a cover beam 1b, wherein the cover beam 1b is fixed laterally on the upper end of the pier body 1a, and between adjacent cover beams 1b The first cables 3 are anchored and connected between them, and the left and right abutments 4, 5 are anchored by the second cables 6 between the left and right abutments 4, 5 and the cover beams 1b close to the left and right abutments 4, 5, and the first Both the connecting ends of the cables 3 and the second cables 6 are anchored on the respective cover beams 1b. The above-mentioned bridge piers are single-column piers, and the first cable 3 and the second cable 6 can be anch...
Embodiment 3
[0027] Such as Figure 5 , Figure 6 and Figure 7 A cable restrained pier seismic structure shown includes two vertically arranged pier 1, left and right abutments 4, 5 located at the left and right ends, and supports on each of the pier 1 and left and right abutments 4, 5 The upper structure 2 of the bridge pier 1 is a double-column pier composed of a pier body 1a and a cover beam 1b, wherein the cover beam 1b is longitudinally fixed on the upper ends of the two pier body 1a, and the adjacent cover beam 1b The first cables 3 are all anchored and connected between them, and the left and right abutments 4, 5 are anchored by the second cables 6 between the left and right abutments 4, 5 and the cover beam 1b close to the left and right abutments 4, 5. The first cables 3 and the second cables 6 are two groups, and the two groups of first cables 3 and second cables 6 are respectively fixed on each of the cover beams 1b above each of the piers 1a. The above-mentioned piers are d...
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