阅读说明：本技术 高架道路下的交叉口二次过街系统 (Secondary crossing system at intersection under overhead road ) 是由 徐赛英 李剑飞 戴伟 郭恒明 于 2021-09-06 设计创作，主要内容包括：本发明公开了一种高架道路下的交叉口二次过街系统,其包括人行道、二次过街岛和至少一个立柱,所述立柱设置在所述二次过街岛上,所述人行道包括第一段和第二段,所述二次过街岛连接在所述第一段和所述第二段之间,沿自所述第一段至所述第二段的方向,所述第一段和所述第二段位于所述立柱的。所述高架道路下的交叉口二次过街系统,克服了在高架道路下的交叉口,桥梁立柱影响人、车视距范围的缺陷,提高了通行效率低,消除了安全隐患,在保障视距要求的同时,降低了工程造价。(The invention discloses an intersection secondary street crossing system under an elevated road, which comprises a sidewalk, a secondary street crossing island and at least one upright post, wherein the upright post is arranged on the secondary street crossing island, the sidewalk comprises a first section and a second section, the secondary street crossing island is connected between the first section and the second section, and the first section and the second section are positioned on the upright post along the direction from the first section to the second section. The secondary crossing system under the elevated road overcomes the defect that the stand columns of the bridge affect the sight distance range of people and vehicles at the crossing under the elevated road, improves the passing efficiency, eliminates the potential safety hazard, and reduces the construction cost while ensuring the sight distance requirement.)

1. A secondary street crossing system at an intersection under an elevated road comprises a sidewalk, a secondary street crossing island and at least one upright post, wherein the upright post is arranged on the secondary street crossing island,

the sidewalk comprises a first section and a second section, the secondary street crossing island is connected between the first section and the second section, and the first section and the second section are located on different sides of the upright post along the direction from the first section to the second section.

2. The intersection secondary street crossing system of claim 1, wherein the at least one post is arranged in a direction parallel to the first section or the second section.

3. The intersection secondary street crossing system under the elevated road according to claim 1, wherein a street crossing island sidewalk is arranged on the secondary street crossing island, the street crossing island sidewalk comprises a first street crossing island section, a second street crossing island section and a middle section, the first street crossing island section is connected with the first section, the second street crossing island section is connected with the second section, and the middle section is connected between the first street crossing island section and the second street crossing island section.

4. The intersection secondary street crossing system under an elevated road of claim 3, wherein the width of the post in a vertical direction from the first section to the second section is no greater than the spacing between the first street crossing island section and the second street crossing island section.

5. The intersection secondary street crossing system under an elevated road of claim 3, wherein the intermediate section is vertically connected to the first street crossing island section and the second street crossing island section.

6. The intersection secondary street crossing system under an elevated road of claim 3, wherein the first street crossing island section is collinear with and of equal width to the first section, and the second street crossing island section is collinear with and of equal width to the second section.

7. The intersection secondary street crossing system under an elevated road of claim 3, wherein the number of said posts is two.

8. The system of claim 7, wherein two of said posts are disposed on opposite sides of said intermediate section.

9. The intersection secondary street crossing system under an elevated road of claim 8 wherein the width of the intermediate section in the direction joining the two posts is not less than 2 meters.

10. The intersection secondary street crossing system under the elevated road according to any one of claims 1 to 9, wherein the intersection secondary street crossing design system further comprises two pairs of warning posts, and the two pairs of warning posts are respectively arranged at the connection part of the secondary street crossing island and the first section and the second section and at the edge of the secondary street crossing island.

Technical Field

The invention relates to the technical field of road intersections and bridge structures, in particular to an intersection secondary street crossing system under an elevated road.

Background

At present, with the continuous promotion of the large-scale city construction process in China at the present stage, the safety, convenience, economy and high efficiency gradually become the subject of the traffic development in China.

The current urban area is continuously increased, the urban population is continuously increased, and the problem of 'people and vehicles contending for roads' caused by single-layer plane traffic is more and more prominent. Therefore, it is very common to adopt the elevated road to release the ground space for the mass traveling vehicles and the pedestrian and non-pedestrian system in the new or reconstructed city expressway engineering. When an elevated road crosses a ground road intersection, elevated piers are often arranged in the middle belts at the two ends of the intersection. Influenced by cost, bridge type, clearance, intersection scope etc., the condition that the bridge stand nearby in the intersection shelters from people, car sight takes place occasionally, has caused very big potential safety hazard. In order to improve the sight distance range of people and vehicles at the road intersection under the viaduct and reduce the safety risk, secondary street-crossing islands are adopted on wide-width pavements in large quantity in recent years. Generally, the pillars of the bridge are disposed on the road side or the intersection side of the sidewalk.

However, under the condition that the secondary street crossing island exists, due to the fact that the arrangement of the bridge stand columns at the intersection is unreasonable, the width of the bridge stand columns and the secondary street crossing width are unreasonable and the like, when pedestrians pass through the secondary street crossing island, the range of sight distances of the pedestrians and vehicles is affected by the bridge stand columns, the passing efficiency is low, the defect of potential safety hazards exists, and the engineering cost is also affected.

Disclosure of Invention

The invention aims to overcome the defects that in the prior art, when pedestrians pass through a secondary street crossing island, a bridge upright column influences the sight distance range of the pedestrians and vehicles, so that the passing efficiency is low and potential safety hazards exist, and provides an intersection secondary street crossing system under an elevated road.

The invention solves the technical problems through the following technical scheme:

a secondary street crossing system at an intersection under an elevated road comprises a sidewalk, a secondary street crossing island and at least one upright post, wherein the upright post is arranged on the secondary street crossing island,

the sidewalk comprises a first section and a second section, the secondary street crossing island is connected between the first section and the second section, and the first section and the second section are located on different sides of the upright post along the direction from the first section to the second section.

In the scheme, the first section and the second section of the sidewalk are always arranged on one side of the upright column facing to the driving direction of the vehicle, the upright column cannot cause shielding of pedestrians and vehicle drivers on the sidewalk, the sight distance range of the pedestrians and the vehicles cannot be influenced, the passing efficiency is improved, potential safety hazards are eliminated, and the construction cost is reduced while the sight distance requirement is ensured.

Preferably, the at least one pillar is arranged in a direction parallel to the first section or the second section.

In this scheme, such parallel arrangement mode is a relatively regular arrangement mode, is favorable to shortening the pedestrian and passes through the distance of secondary crossing island, improves current efficiency.

Preferably, the secondary street crossing island is provided with a street crossing island sidewalk, the street crossing island sidewalk comprises a first street crossing island section, a second street crossing island section and a middle section, the first street crossing island section is connected with the first section, the second street crossing island section is connected with the second section, and the middle section is connected between the first street crossing island section and the second street crossing island section.

In the scheme, the secondary street crossing island is provided with the street crossing island sidewalk and is segmented, so that the walking channel is favorably standardized, the traffic is orderly, and the traffic efficiency is improved.

Preferably, the width of the upright column along the vertical direction from the first section to the second section is not larger than the distance between the first street-crossing island section and the second street-crossing island section.

In the scheme, the width of the upright post is limited, so that the area of the first street crossing island section and the second street crossing island section is not too small due to too small space, and pedestrians waiting at the two sections are crowded, and particularly, when the width of the upright post is equal to the space between the first street crossing island section and the second street crossing island section, the shortest length of a street crossing island sidewalk can be obtained, and the traffic efficiency is facilitated.

Preferably, the middle section is vertically connected with the first street crossing island section and the second street crossing island section.

In the scheme, the secondary street crossing island can be reduced along the width in the sidewalk direction in a vertical connection mode, the manufacturing cost of the secondary street crossing island is reduced, pedestrians can pass through the secondary street crossing island quickly, and the passing efficiency is guaranteed.

Preferably, the first street-crossing island section and the first section are located on the same straight line and have the same width, and the second street-crossing island section and the second section are located on the same straight line and have the same width.

In the scheme, more waiting areas are formed on the sidewalk of the street crossing island by the pedestrians through the connection mode and the width setting, and the passing efficiency is facilitated.

Preferably, the number of the pillars is two.

In this scheme, satisfying under the condition that the stand does not influence the stadia, adopt the scheme of two stands, can shorten the interval between the stand along the vehicle direction of travel, reduce the engineering cost of bridge.

Preferably, two said posts are provided on either side of said intermediate section.

In this scheme, will two the stand sets up the both sides of interlude are favorable to obtaining the symmetric distribution, and is even to the holding power distribution of bridge, and then is favorable to the construction of bridge.

Preferably, the width of the middle section along the direction connecting the two upright posts is not less than 2 m.

In the scheme, the width requirement is set, the requirement on the minimum pavement width is met, and the traffic efficiency is facilitated.

Preferably, the intersection secondary street crossing design system further comprises two pairs of warning columns, wherein the two pairs of warning columns are arranged at the joints of the secondary street crossing island and the first section and the second section respectively and are arranged at the edges of the secondary street crossing island.

In the scheme, the warning post can remind pedestrians of safety when entering the sidewalk from the secondary street crossing island.

The positive progress effects of the invention are as follows: the secondary crossing system under the elevated road overcomes the defect that the stand columns of the bridge affect the sight distance range of people and vehicles at the crossing under the elevated road, improves the passing efficiency, eliminates the potential safety hazard, and reduces the construction cost while ensuring the sight distance requirement.

Drawings

Fig. 1 is a secondary street crossing system at an intersection under an elevated road according to an embodiment of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Description of reference numerals:

the walkway 1, the first section 11, the second section 12,

a secondary street crossing island 2, a street crossing island sidewalk 20, a first street crossing island section 21, a second street crossing island section 22, a middle section 23,

the vertical column (3) is provided with a vertical column,

a warning post 4.

Detailed Description

The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.

As shown in fig. 1, the present invention provides an intersection secondary street crossing system under an elevated road, which comprises a sidewalk 1, a secondary street crossing island 2 and a vertical column 3, wherein the vertical column 3 is arranged on the secondary street crossing island 2, the sidewalk 1 comprises a first section 11 and a second section 12, the secondary street crossing island 2 is connected between the first section 11 and the second section 12, and the first section 11 and the second section 12 are both arranged on the front side of the vertical column 3 along the direction of the vehicle running from the first section 11 to the second section 12. Through such a setting mode, make first section 11 and the second section 12 of pavement 1 set up in the stand 3 one side towards the vehicle direction of travel all the time, stand 3 can not cause pedestrian and vehicle driver on the pedestrian way 1 to shelter from, can not influence the stadia scope of people, car, has improved current inefficiency, has eliminated the potential safety hazard, and when the guarantee stadia requires, has reduced engineering cost.

In practical implementation, the number of the upright posts can be single or more than two.

As shown in fig. 1, the columns 3 are arranged in parallel with the first section 11 or the second section 12. The parallel arrangement mode is a more regular arrangement mode, which is beneficial to shortening the distance of the pedestrians passing through the secondary street crossing island 2 and improving the passing efficiency. In practical implementation, the arrangement of the columns 3 can be other ways to satisfy the traffic effect.

As shown in fig. 1, a street crossing island sidewalk 20 is arranged on the secondary street crossing island 2, the street crossing island sidewalk 20 includes a first street crossing island section 21, a second street crossing island section 22 and a middle section 23, the first street crossing island section 21 is connected with the first section 11, the second street crossing island section 22 is connected with the second section 12, and the middle section 23 is connected between the first street crossing island section 21 and the second street crossing island section 22. The street crossing island sidewalk 20 is arranged on the secondary street crossing island 2 and is segmented, so that the standard walking channel is facilitated, the traffic is orderly, and the traffic efficiency is improved.

As shown in fig. 1, the width of the upright 3 in the vertical direction from the first section 11 to the second section 12 is not greater than the distance between the first street island section 21 and the second street island section 22. By limiting the width of the upright column 3, the first street-crossing island section 21 and the second street-crossing island section 22 cannot cause the area of the two sections to be too small because of too small distance, so that pedestrians waiting at the two sections are crowded. Particularly, when the width of the upright column 3 is equal to the distance between the first street-crossing island section 21 and the second street-crossing island section 22, the shortest length of the street-crossing island sidewalk can be obtained, which is beneficial to the traffic efficiency.

As shown in fig. 1, the middle section 23 is vertically connected to the first street crossing island section 21 and the second street crossing island section 22. Through the mode of perpendicular connection, can reduce the secondary and cross the ascending width in island 2 along pavement 1 side, reduce the cost that secondary crossed island 2, also be favorable to the pedestrian to pass fast, guarantee current efficiency. In practical implementation, the included angle between the middle section 23 and the first street-crossing island section 21 and the second street-crossing island section 22 may be other angles which satisfy the effect.

As shown in fig. 1, the first street-crossing island section 21 and the first section 11 are located on the same straight line and have the same width, and the second street-crossing island section 22 and the second section 12 are located on the same straight line and have the same width. Through the connection mode and the width setting, the area of the first street crossing island section 21 and the second street crossing island section 22 is large, and the traffic efficiency is facilitated. In practical implementation, a certain angle may be formed between the first street-crossing island section 21 and the first section 11, and similarly, an angle between the second street-crossing island section 22 and the second section 12 may be other angles that satisfy the effect.

As shown in fig. 1, the two columns 3 are disposed at two sides of the middle section 23, which is beneficial to obtaining symmetrical distribution, and the supporting force for the bridge is uniformly distributed, thereby being beneficial to the construction of the bridge.

As shown in fig. 1, the width of the middle section 23 is not less than 2 m in the direction connecting the two uprights 3. The width requirement is set to meet the requirement of the minimum pavement width, and the traffic efficiency is facilitated.

As shown in fig. 2, the intersection secondary street crossing design system of the present invention further includes two pairs of warning pillars 4, wherein the two pairs of warning pillars 4 are respectively disposed at the connection between the secondary street crossing island 2 and the first section 11 and the second section 12, and are located at the edge of the secondary street crossing island 2. The warning post 4 can remind the pedestrians of safety when entering the sidewalk 1 from the secondary street crossing island 2.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.