Completely unblocked composite structure consisting of eight single bridges at right-hand intersection
A technology of crossroads and combined structures, applied in roads, roads, buildings, etc., can solve problems such as lane changes, congestion, accidents, etc., and achieve the effect of completely smooth traffic without crossing, reducing height, and reducing bridge construction costs
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Embodiment 1
[0038] Embodiment 1, the fully unimpeded combined structure of four straight-going single bridges and four left-turning single bridges at the intersection
[0039] Such as figure 1 , 3 , the intersection has four curved straight single bridges 1 and four large curved left turn single bridges 2, the crossroads have four ground branches, and the straight lanes of each ground branch into the intersection are connected with an arc The curved straight single bridge 1 is connected, and the left-turn lane is connected with a large curved left-turn single bridge 2.
[0040] Two kinds of single bridge structures: the two ends of the curved straight single bridge 1 are respectively connected with the straight ground branch roads at the opposite ends of the crossroads, and the arc curved straight single bridge 1 has a right side branch in the middle of the branch. Outwardly convex right convex arc bend section 4; the two ends of the large arc bend left turn single bridge 2 are respecti...
Embodiment 2
[0045] Embodiment 2. Four groups of straight-going single bridges and left-turning single bridges at the intersection are connected in the same group of parallel sections to form a fully unimpeded combined structure on a smooth surface
[0046] A ground branch road enters an arc-shaped straight-going single bridge at the crossroads 1 on the outside of the arc-shaped bend and a left-turn single bridge 2 on the inside of the arc-shaped bend to form a combined single bridge, four groups of straight-on single bridges and left For the four combined single bridges formed by the turning single bridges, the parallel sections 8 of the same group of each combined bridge are connected to form a smooth surface, and the arcs of the four parallel sections 8 of the same group are all the same. Other structures are the same as in Embodiment 1.
Embodiment 3
[0047] Embodiment 3. The eight single bridges at the crossroads are all connected to form a smooth surface at the same detour position, and synthesized into a fully unimpeded combined structure of a fully enclosed ring bridge.
[0048] Such as Figure 4 , the same group of parallel sections 8 of a combined single bridge is connected to form a smooth surface, and the same group of parallel sections 8 of different combined single bridges at the same position are also connected to form a smooth surface, and the large arc bend of the previous combined single bridge is turned left The left-turn large arc bend section 5 of the single bridge 2 is connected with the right convex arc bend section 4 of the rear arc bend straight single bridge 1 to form a smooth surface, and becomes any single bridge in the same detour position, all according to the original internal and external Arranged positions are connected to form a smooth surface, combined into one bridge deck, then the detour sec...
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Abstract
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