Multi-tower cable-stayed bridge and construction method thereof
A technology for cable-stayed bridges and side towers, applied in the field of cable-stayed bridge structures, can solve the problems of insufficient system rigidity and multi-tower cable-stayed bridges, and achieve the effects of simple structure, beautiful appearance, and improved efficiency
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Embodiment 1
[0044] a kind of like figure 1 Shown the three-tower cable-stayed bridge of the present invention, this three-tower cable-stayed bridge comprises two " big umbrella " type structural systems and a " small umbrella " type structural system, and " small umbrella " type structural system is positioned at the cable-stayed bridge middle part, Two "big umbrella" structural systems are located on both sides of the "small umbrella" structural system, and the two "big umbrella" structural systems are symmetrically arranged along the middle section of the three-tower cable-stayed bridge.
[0045]The above-mentioned "big umbrella" structural system includes side tower 1, "big umbrella" mid-span main beam 3, "big umbrella" side-span main beam 4, "big umbrella" mid-span stay cable 6 and "big umbrella" side span Cable 7, "big umbrella" mid-span main beam 3 and "big umbrella" side-span main beam 4 are respectively arranged on both sides of side tower 1, "big umbrella" mid-span stay cable 6 a...
Embodiment 2
[0055] a kind of like figure 2 The four-tower cable-stayed bridge of the present invention is shown, and the four-tower cable-stayed bridge includes two "big umbrella" type structural systems and two "small umbrella" type structural systems, and the two "small umbrella" type structural systems are connected to each other As a whole, it is located between two "big umbrella" structural systems, and the two "big umbrella" structural systems are located on both sides of the "small umbrella" structural system, and the two "big umbrella" structural systems are inclined along the four towers. The middle section of the stay bridge is arranged symmetrically.
[0056] In addition to adding a "small umbrella" structural system, other structures and shape features of the "big umbrella" structural system and the "small umbrella" structural system of the four-tower cable-stayed bridge in this embodiment are the same as those in embodiment 1. The three-tower cable-stayed bridge in is ident...
Embodiment 3
[0058] a kind of like image 3 The five-tower cable-stayed bridge of the present invention is shown, the five-tower cable-stayed bridge includes two "big umbrella" type structural systems and three "small umbrella" type structural systems, and the three "small umbrella" type structural systems are connected to each other As a whole, it is located between two "big umbrella" structural systems, and the two "big umbrella" structural systems are located on both sides of the "small umbrella" structural system, and the two "big umbrella" structural systems are inclined along the five towers. The middle section of the stay bridge is arranged symmetrically.
[0059] In addition to adding two "small umbrella" structural systems, other structures and shape features of the "big umbrella" structural system and the "small umbrella" structural system of the five-tower cable-stayed bridge in this embodiment are the same as those in the embodiment. The three-tower cable-stayed bridge in 1 is...
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