CN219973031U - Road side barrier protection guardrail - Google Patents

Abstract

The utility model provides a road side barrier protection guardrail, includes protection core section and two sections gradual change changeover portion, its characterized in that two sections gradual change changeover portion set up respectively at protection core section both ends, protection core section is equipped with the guardrail basis, the guardrail basis limit is equipped with pier stud and protects the arch ring, the utility model discloses a set up the pier stud that pours jointly with the guardrail basis around the barrier and protect the anticollision ability that the arch ring increases the guardrail, set up bailey stand behind the stand of protection core section, increase the bulk strength of protection core section guardrail, improved the bulk strength of guardrail effectively, have the deformation little, the energy-absorbing is good and the characteristics that intensity is high, improved the protection ability of guardrail to the barrier.

Description

Road side barrier protection guardrail

Technical Field

The utility model relates to the field of highway engineering traffic safety, in particular to a road side barrier protection guardrail.

Background

Along with the rapid development of the economy in China, the demand for transportation is also increasing. The existing old road has poor traffic capacity, and traffic jam is easy to cause; the traffic facilities are old and the protection capability is insufficient; these problems have created a great impediment to the development of economies. In order to solve the problems, in recent years, china is devoted to building new roads and rebuilding old roads, and a plurality of new measures are taken to solve the problems of traffic congestion and confusion, and good results are achieved. The upgrading and reconstruction of the road are imperative, but the upgrading and updating of the traffic safety facilities cannot be ignored. In the prior art, a plurality of old roads and new roads have the problem of insufficient clean area width due to various factors, although the road section with insufficient clean area width is updated and modified, the traffic proportion of various vehicle types on the road section and the actual effective protection range of guardrails are not considered, and the protection of obstacles still has larger loopholes, so that the situation has great potential safety hazards, and serious safety accidents and great economic losses are easily caused. The disadvantage of the standard form guard rail is mainly reflected in that the protection capability can not meet the protection requirement of a special road section, while the standard form wave form guard rail and the concrete guard rail can not meet the anti-collision grade requirement, the maximum transverse dynamic displacement extension value of the wave form guard rail and the maximum dynamic camber value of the vehicle are larger, the maximum dynamic camber value of the vehicle of the concrete guard rail is also larger, the energy absorbing effect is poor, the maximum dynamic camber value of the vehicle is generally more than 1 meter, and the protection of obstacles (the obstacles are mainly viaduct piers, sign uprights, ETC door frames and the like) on a road section with smaller clean area width can not meet the use requirement.

The Chinese patent document with publication No. CN217556789U discloses an obstacle guard rail, which comprises a body: the body comprises a protection core section and two sections of gradual transition sections, wherein the two sections of gradual transition sections are respectively arranged at two ends of the protection core section; the protection core section comprises a plurality of high upright posts, and the plurality of high upright posts are sequentially provided with a plurality of friction beams, three-waveform protection guardrail plates and a plurality of cross beams from bottom to top; the high stand is kept away from three wave form protection guardrail board one side still is provided with a plurality of low stands, low stand passes through bracing and high stand fixed connection. The protection effect of the utility model on obstacles such as bridge piers is limited, and when the road side guard rail is impacted, the guard rail is easy to move outwards or the vehicle is easy to incline, so that the road side obstacle is impacted, and the upper building is collapsed, so that more serious accidents are caused.

Disclosure of Invention

Aiming at the problems, the utility model provides the high-strength low-deformation waveform guardrail at the road side, which has high strength, can effectively reduce the maximum transverse dynamic displacement extension value of the guardrail and the maximum dynamic extension value of the vehicle after the guardrail is impacted, improves the protection capability of the guardrail, can effectively protect barriers and prevent secondary accidents.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a road side barrier protection guardrail, includes protection core section and two sections gradual change changeover portions, its characterized in that two sections gradual change changeover portions set up respectively at protection core section both ends, protection core section is equipped with the guardrail basis, guardrail basis limit is equipped with pier stud arch ring.

Preferably, the pier column arch protection ring is integrally connected with the guardrail foundation by using concrete, the guardrail foundation is cast in a manner that the top surface of the pier column arch protection ring is 15-45cm higher than the guardrail foundation, preferably 30cm, and after the traveling crane impacts the guardrail, the traveling crane can be used as a resisting load for resisting the camber of the vehicle through the self load of the traveling crane, so that the safety of the traveling crane and the personnel of the traveling crane is protected.

Preferably, the pier column arch protection ring is arranged on the periphery of the obstacle at the road side, the distance between the inner wall of the pier column arch protection ring and the periphery of the obstacle is 30-50cm, preferably 40cm, and after the guardrail is impacted, the whole guardrail is free from outward movement, a certain buffer space is reserved, and the obstacle is better protected.

Preferably, the protection core section is provided with 8-12 high upright posts which are distributed at intervals along the road section; the gradual change changeover portion is from being close to the core section to keeping away from core section and arrange at least one high stand and a plurality of low stand in proper order, and the protection guardrail is installed and is fixed on high stand and low stand, preferably sets up more intensive stand at the core protection section, plays the supporting role, reinforcing core protection section's crashproof ability.

Preferably, the high stand post in protection core section and gradual change changeover portion is provided with the bailey beam stand post afterwards, set up installation crossbeam and a plurality of camber square steel crossbeam on the bailey beam stand in proper order at intervals, strengthen the bulk strength of high stand, improve the anticollision performance of guardrail device.

Preferably, the beret beam upright post of the protection core section is provided with a first supporting rod with an inclination angle of 50-70 degrees, the mounting cross beam is provided with a second supporting rod with an inclination angle of 40-50 degrees, the overall strength of the guardrail is enhanced, the deformation of the guardrail can be controlled after the guardrail is impacted, and the serious deformation of the guardrail is prevented.

Preferably, the first support rod and the second support rod are connected to the support base together through rib plates with inclination angles of 25-35 degrees.

Preferably, the support base is arranged on an inclined support foundation, and the inclined support foundation is connected with the guardrail foundation through a cross beam.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the pier column arch protection ring and the guardrail extrusion foundation are cast together into a whole by adopting concrete, and the height of the pier column arch protection ring is increased, so that the anti-collision capability of the guardrail is enhanced.

2. According to the utility model, the support function and the anti-collision capability of the stand column of the protection core section are increased by connecting the bailey beam behind the main stand column.

3. The utility model prevents the vehicle from being camber and controls the deformation of the guardrail after collision by arranging the camber square steel beam.

4. According to the utility model, the two inclined support rods are connected on the inclined support foundation through the high-strength bolts, so that the deformation effect of the guardrail after collision is controlled.

Drawings

FIG. 1 is a schematic elevation view of a high-strength low-deformation wavy guardrail at road side

FIG. 2 is a schematic plan view of a high-strength low-deformation wavy guardrail at road side according to the utility model

FIG. 3 is a schematic view of the inclined support structure of the high-strength low-deformation wavy guardrail at the road side

1. Guardrail foundation 2, obstacle 3, high upright 4, bailey beam upright 5, camber square steel beam 6, mounting beam 7, low upright 8.1 first support rod 8.2 second support rod 9, rib plate 10, inclined support foundation 11, beam 12, pier column arch guard ring

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The following describes a specific embodiment of the technical scheme of the present utility model by way of examples and with reference to the accompanying drawings.

Example 1

In the embodiment of fig. 1, a roadside barrier protection guardrail comprises a protection core section and two sections of gradual change changeover portions, and is characterized in that the two sections of gradual change changeover portions are respectively arranged at two ends of the protection core section, the protection core section is provided with a guardrail foundation 1, the side of the guardrail foundation 1 is provided with a pier stud arch ring 12, the pier stud arch ring 12 and the guardrail foundation 1 are formed by casting C30 guardrail concrete together, 5 groups of high upright posts 3 with an interval of 80cm from left to right are arranged in the protection core section, 5 groups of high upright posts 3 with an interval of 80cm are arranged from left to right in the middle of the protection core section, a gradual change changeover portion low upright post 7 is arranged from a position close to the protection core section to a group of high upright posts 3 with an interval of 150cm, a lower upright post 7 with an interval of 200cm is arranged on the lower upright post, a fixed waveform guardrail is connected on the upright post through bolts, a bailey beam upright post 4 is arranged behind the high upright post 3, the bailey beam upright post 4 and the high upright post 3 are cast together in the guardrail foundation 1 by spot welding, 5 groups of high upright posts 3 are arranged on the bailey beam 4 from left to right, 5 groups of high upright posts are arranged on the bailey beam 4 from left to right, a horizontal support bar is arranged on the base 8, a horizontal support beam is arranged between the bailey beam and the base 1 and the base is mounted on the base 2, the base is fixed by a horizontal support beam 10.10, and the base is mounted on the base 2, and the base is fixed by the base 2.10.10.5, and the base is mounted on the base 2.

Furthermore, when barrier 2 is nearer to guardrail basis 1, can set up a breach groove with barrier 2 shape looks adaptation on guardrail basis 1, make barrier 2 can fix in cement basis 1, when the guardrail received the striking, can protect barrier 2 better, prevent that its superstructure from receiving the injury and causing bigger loss.

Claims (8)

1. The utility model provides a road side barrier protection guardrail, includes protection core section and two sections gradual change changeover portions, its characterized in that two sections gradual change changeover portions set up respectively at protection core section both ends, protection core section is equipped with guardrail basis (1), guardrail basis (1) limit is equipped with pier stud protection arch ring (12).

2. The roadside obstacle protection fence as claimed in claim 1, wherein the pier column arch protection ring (12) is integrally connected with the fence foundation (1) by using concrete, the fence foundation (1) is poured in a manner that the top surface of the pier column arch protection ring (12) is 15-45cm higher than the fence foundation (1).

3. A roadside obstacle protection fence according to claim 1 or 2, characterized in that the abutment arch (12) is arranged at the periphery of the roadside obstacle, and the inner wall of the abutment arch (12) is 30-50cm from the periphery of the obstacle (2).

4. A roadside obstacle protection fence according to claim 1, characterized in that the protection core section is provided with 8-12 Gao Lizhu (3) distributed at intervals along the road section; the gradual transition section is sequentially provided with at least one high upright column (3) and a plurality of low upright columns (7) from a position close to the core section to a position far away from the core section, and the protection guardrail is installed and fixed on the high upright columns (3) and the low upright columns (7).

5. The roadside barrier protection guardrail according to claim 4, characterized in that a beret beam column (4) is arranged behind the protection core section and the transition section middle-high column (3), and a mounting cross beam (6) and a plurality of camber square steel cross beams (5) are sequentially arranged on the beret beam column (4) at intervals.

6. The roadside obstacle protection guardrail according to claim 5 is characterized in that a beret beam upright (4) of the protection core section is provided with a first supporting rod (8.1) with an inclination angle of 50-70 degrees, and the mounting cross beam is provided with a second supporting rod (8.2) with an inclination angle of 40-50 degrees.

7. A roadside obstacle protection fence according to claim 6, characterized in that the first support bar (8.1) and the second support bar (8.2) are jointly connected to the support base by means of ribs (9) having an inclination angle of 25-35 °.

8. A roadside obstacle protection fence as claimed in claim 7, wherein the support base is mounted on a diagonal support base, the diagonal support base (10) being connected to the fence base (1) by a cross beam (11).