Straight bridge with changeable paths type crossroads
An overpass and lane-changing technology, which is applied to roads, roads, buildings, etc., can solve problems such as hidden safety hazards and hidden dangers in safe driving of vehicles, and achieve the effects of long construction period, improved project economy, and improved economy
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Embodiment approach 1
[0027] Referring to Fig. 1, 2, 5, two straight bridge lane-changing bridges 7 and 8 starting points are arranged on the up and down roads at the crossroads and are positioned at the bottom of the left-hand turning bridge 6 and 5 inner bends of the left and right sides, the up and down road inner road, and the center 17, 16 to the end point are integrated with the downhill 1 / 2 slope length of the left-turn bridge 6, 5, the end point of the lane-changing bridge is located in the inner lane of the up and down road, and the starting point of the two road-changing cuttings 14, 15 is connected with the straight bridge lane-changing The ends of bridges 7 and 8 are juxtaposed and placed in the inner lane of the lane-changing bridge. Go under the lane-changing bridge and juxtapose the center of the left-turning bridge 17 and 16 to complete the lane change, and the end point is below the outer bend of the left-turning bridge 6 and 5 and parallel to the starting point of the straight brid...
Embodiment approach 2
[0037] see image 3 4. Two straight bridges 7 and 8 are set on the up and down roads at the crossroads. The starting point is located below the inner bend of left-turn bridges 6 and 5, the middle of the up and down roads, and the end point ends at the inner road of the up and down roads. , it is not conjoined with the left-turn bridge 6,5, and the left-turn vehicle on the up and down road passes through the center of the straight bridge lane-changing bridge 7,8 from the ground road up and down and implements a lane change. From image 3 As can be seen from the comparison of Fig. 2, the difference between the present embodiment and embodiment 1 is that the straight bridge lane-changing bridge 7,8 is a viaduct, and it is not conjoined with the left-turn bridge 5,6, and the cuttings 14,15 are therefore Cancellation, the rest of the structure and vehicle flow are consistent with Embodiment 1, so it is not repeated.
Embodiment approach 3
[0039]Referring to Fig. 6, the straight bridge lane change method of the straight bridge lane change type overpass is also applicable to the underground double-layer traffic network system. The underpass tunnels 29 and 30 for straight lane change, the starting point is located at the inner bend of the left turn lanes 5 and 6 of the left and right roads, the middle road of the up and down roads, the end point is the middle road of the up and down roads, and the original bridge on the left and right roads 1, 2, 3, 4, 5, 6, and 9 are replaced by underpass tunnels, and the underground double-layer full intercommunication is formed by connecting the two sides of the tunnel with ground level bridges 20, 21, 22, 23, and 24 at the vehicle interchange overpass. The layout structure of this embodiment is completely consistent with Embodiment 2, the difference is that the bridge is changed into an underpass tunnel, and its vehicle flow direction is consistent with Embodiment 2, so it wil...
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