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C-shaped two-layer overpass at crossroad

A technology for intersections and overpasses, applied in the directions of roads, bridges, roads, etc., can solve problems such as falling bridge accidents, and achieve the effect of saving land, compact overall structure, and small footprint

Pending Publication Date: 2022-03-11
李益安
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This simultaneous overpass bridge is prone to bridge accidents

Method used

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  • C-shaped two-layer overpass at crossroad
  • C-shaped two-layer overpass at crossroad

Examples

Experimental program
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Effect test

Embodiment Construction

[0027] exist figure 1 The meanings of the numbers marked in the drawings and abstracts are as follows:

[0028] 1: Lane 1, the straight lane from south to north.

[0029] 2: Lane 2, the straight lane from north to south.

[0030] 3: Lane 3, the straight lane from east to west.

[0031] 4: Lane 4, going straight from west to east.

[0032] 5: Lane 5, turning right from south to east.

[0033] 6: Lane No. 6, turning right from north to west.

[0034] 7: Lane 7, turning right from east to north.

[0035] 8: Lane 8, turning right from west to south.

[0036] 9: Lane 9, turning left from south to west.

[0037] 10: Lane 10, turning left from north to east.

[0038] 11: Lane 11, turning left from east to south.

[0039] 12: Lane 12, turning left from west to north.

[0040] 13: Lane 13, southbound U-turn lane.

[0041] 14: Lane 14, U-turn lane for northbound traffic.

[0042] 15: Lane 15, eastbound U-turn lane.

[0043] 16: Lane 16, westbound U-turn lane.

[0044] exis...

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Abstract

The invention relates to an overpass which is a right-angled U-shaped two-layer overpass at a crossroad. The overpass is located at a crossroad. The overpass is provided with sixteen lanes including four straight lanes, four right turning lanes, four left turning lanes and four turning lanes. The flyover is only provided with a two-layer bridge floor. The outline of the second-layer bridge surface of the flyover is in a [shape. The invention relates to an octagon which is enclosed by eighteen line segments. And no turning part of the turning lane is arranged on the second-layer bridge floor. And the turning part of each lane is arranged on the first-layer ground. The first, second, fifth, sixth, seventh, eighth and fourteenth lanes of the flyover are on the first floor in the whole course and are not on the second floor. The third lane and the fourth lane are arranged on the second-layer bridge floor in the whole process, and the fifteenth lane, the sixteenth lane, the two-up and two-down second-layer bridge floor, the two east-west through lanes, the U-turn lane of the south coming vehicle and the four left-turn lanes are all one-up and one-down second-layer bridge floors. The overpass is not provided with ramps.

Description

technical field [0001] The present invention relates to a kind of overpass bridge, more specifically, the present invention relates to a kind of two-storey overpass bridge of crossroad U-shape which is different from existing overpass bridges. Background technique [0002] Most of the four left-turn lanes of crossroad overpasses in my country have ramps, and the overpasses with ramps, when turning left, ramp up and down and turn simultaneously. This overpass that develops simultaneously can easily bring accidents of falling from the bridge. For example: at around 18:00 on May 11, 2010, during rush hour, at the southwest corner of the Balitai overpass in Nankai District, Tianjin, a white Xiali car suddenly fell from the bridge while driving. At around 8:20 am on May 24, 2010, a bridge accident occurred on the Balitai Overpass in Tianjin, and a black Santana car fell from the bridge. The driver died at the scene. At about 1 am on May 13, 2013, after a large truck collided w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D1/00E01D19/00E01D19/12E01C1/04E01C1/00
CPCE01D1/00E01D19/00E01D19/125E01C1/04E01C1/00E01C1/002
Inventor 不公告发明人
Owner 李益安
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