CN222120032U - Double-deck duplex wave guardrail and concrete guardrail transition structure - Google Patents

Abstract

The utility model discloses a transition structure between a double-layer double-wave guardrail and a concrete guardrail, the transition structure between the double-layer double-wave guardrail and the concrete guardrail comprises a standard section of a concrete guardrail, a transition wall of a concrete guardrail, a standard section of a double-layer double-wave guardrail and a transition section of a double-layer double-wave guardrail, the standard section of the double-layer double-wave guardrail is connected to the transition wall of the concrete guardrail through the transition section of the double-layer double-wave guardrail, one side of the transition wall of the concrete guardrail is provided with an assembly groove, one end of the transition section of the double-layer double-wave guardrail is installed in the assembly groove, and the transition section of the double-layer double-wave guardrail is flush with the surface of the transition wall of the concrete guardrail. The transition structure between the double-layer double-wave guardrail and the concrete guardrail disclosed by the utility model forms a good transition connection between the concrete guardrail and the double-layer double-wave guardrail, prevents cracking at the connection from affecting the protective effect, prevents the guardrail from tripping vehicles on the premise that the guardrail plays a guiding role, correctly guides the vehicle, improves the safety performance, and also has a good protective ability.

Description

Double-deck duplex wave guardrail and concrete guardrail transition structure

Technical Field

The utility model relates to the technical field of road facilities, in particular to a transition structure of a double-layer double-wave guardrail and a concrete guardrail.

Background

Guard bars are used for protection on both sides of the road or the central dividing strips of the road or the bridge. In recent years, more and more important road sections of the central dividing strip guardrails of the prior expressways adopt guardrails to improve the road safety, and the prior concrete guardrails, bridge guardrails and double-layer double-wave guardrails are required to be connected.

At present, connect through simple transition board between concrete guardrail and the double-deck duplex wave guardrail, lead to the guardrail junction to appear the phenomenon of segmentation, disconnection easily, cause the guardrail not to reach the purpose of protection, moreover, transition board forms the arch on the face of bumping of concrete guardrail, not only can not fine direction traffic, has certain potential safety hazard moreover.

In view of the above, it is necessary to provide a transition structure of a dual-layer dual-wave guardrail and a concrete guardrail to solve the above-mentioned drawbacks.

Disclosure of utility model

The utility model mainly aims to provide a transition structure of a double-layer double-wave guardrail and a concrete guardrail, and aims to solve the problems of poor connection performance and poor guiding effect of the transition connection structure of the existing concrete guardrail and a corrugated beam steel guardrail.

In order to achieve the above purpose, the utility model provides a double-layer double-wave guardrail and concrete guardrail transition structure, which comprises a concrete guardrail standard section, a concrete guardrail transition wall, a double-layer double-wave guardrail standard section and a double-layer double-wave guardrail transition section, wherein the concrete guardrail standard section is connected with the concrete guardrail transition wall through the double-layer double-wave guardrail transition section, an assembly groove is formed in one side surface of the concrete guardrail transition wall, one end, far away from the double-layer double-wave guardrail standard section, of the double-layer double-wave guardrail transition section is installed in the assembly groove, and the highest surface of the double-layer double-wave guardrail transition section is flush with the highest surface of the concrete guardrail transition wall.

Preferably, the structure of the double-layer double-wave guardrail transition section is the same as that of the double-layer double-wave guardrail standard section, and each double-wave guardrail is composed of two double-wave guardrails installed up and down, each double-wave guardrail comprises a wave beam plate, a connecting component and a stand column, the stand column is fixed on the ground, and the wave beam plate of the double-layer double-wave guardrail transition section and the wave beam plate of the double-layer double-wave guardrail standard section are connected and fixed at the end part of the other end of the stand column through the connecting component.

Preferably, the connection assembly is composed of a plurality of bolts.

Preferably, the double-layer double-wave guardrail transition section is fixed on the concrete guardrail transition wall through a connecting member.

Preferably, the connection member is a reinforcing bar.

Preferably, the impact surface of the concrete guardrail transition wall is changed into a straight-wall slope from the slope of the standard section of the concrete guardrail.

Preferably, the concrete guardrail transition wall forms a height gradient from high to low from one end proximate to the dual-layer dual-wave guardrail transition section to the other end.

Preferably, the double-layer double-wave guardrail further comprises a reinforced wave guardrail, wherein the reinforced wave guardrail is arranged above or below the double-layer double-wave guardrail transition section side by side.

Preferably, the standard section of the double-layer double-wave guardrail is a double-layer double-wave steel girder guardrail.

Compared with the prior art, the transition structure of the double-layer double-wave guardrail and the concrete guardrail has the following beneficial effects:

According to the double-layer double-wave guardrail and concrete guardrail transition structure provided by the utility model, the concrete guardrail standard section and the double-layer double-wave guardrail standard section are connected by utilizing the concrete guardrail transition wall and the double-layer double-wave guardrail transition section, so that good transition connection is formed between the concrete guardrail and the double-layer double-wave guardrail, the cracking of the joint is prevented from influencing the protection effect, the assembly groove is formed in the concrete guardrail transition wall, the highest surface of the double-layer double-wave guardrail transition section arranged in the assembly groove is flush with the highest surface of the side surface of the concrete guardrail transition wall, the guardrail cannot protrude from the highest surface of the concrete guardrail transition wall, vehicles are prevented from being stumbled on the premise that the guardrail plays a guiding role, the vehicles are correctly guided out, the safety performance is improved, and meanwhile, the double-layer double-wave guardrail transition structure has good protection capability.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an elevation view of a dual-layer dual-wave guardrail and concrete guardrail transition structure provided by the utility model;

FIG. 2 is a plan view of the dual-layer dual-wave guardrail-to-concrete guardrail transition structure of FIG. 1;

FIG. 3 is a cross-sectional view of the dual-layer dual-wave guardrail and concrete guardrail transition structure of FIG. 1.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present utility model) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1-3, the present utility model provides a transition structure of a dual-layer dual-wave guardrail and a concrete guardrail. This double-deck duplex wave guardrail and concrete guardrail transition structure includes concrete guardrail standard section 1, concrete guardrail transition wall 3, double-deck duplex wave guardrail standard section 5 and double-deck duplex wave guardrail transition section 7, concrete guardrail transition wall 3 connects concrete guardrail standard section 1, double-deck duplex wave guardrail standard section 5 passes through double-deck duplex wave guardrail transition section 7 connects concrete guardrail transition wall 3, mounting groove 8 has been seted up to a side of concrete guardrail transition wall 3, double-deck duplex wave guardrail transition section 7 keeps away from the one end of double-deck duplex wave guardrail standard section 5 is installed mounting groove 8, just the highest surface of double-deck duplex wave guardrail transition section 7 with the highest surface parallel and level of concrete guardrail transition wall 3 side. Therefore, the concrete guardrail transition wall 3 and the double-layer double-wave guardrail transition section 7 are utilized to connect the concrete guardrail standard section 1 and the double-layer double-wave guardrail standard section 5, so that good transitional connection is formed between the concrete guardrail and the double-layer double-wave guardrail, the cracking of the connection part is prevented from affecting the protection effect, moreover, the concrete guardrail transition wall 3 is provided with an assembly groove, the highest surface of the double-layer double-wave guardrail transition section 7 mounted in the assembly groove is flush with the highest surface of the side surface of the concrete guardrail transition wall 3, the guardrail is prevented from being stumbled and blocked on the premise that the guardrail plays a guiding role, the vehicle is correctly led out, the safety performance is improved, and meanwhile, the safety protection capability is also good.

Specifically, the structure of double-deck double-wave guardrail changeover portion 7 with the double-deck double-wave guardrail standard section 5 is the same, and all has two double-wave guardrails of upper and lower installation side by side to constitute, and each double-wave guardrail includes wave form beam slab 71, coupling assembling 73 and stand 75, the road subaerial is fixed to the one end of stand 75, wave form beam slab 71 of double-deck double-wave guardrail changeover portion 7 with the wave form beam slab of double-deck double-wave guardrail standard section 5 passes through coupling assembling 73 connection is fixed the tip of the other end of stand 75. The upright post 75 is fixedly connected to the joint of the wavy beam plate 71 and the standard section 5 of the double-layer double-wave guardrail, so that the strength of the joint is enhanced, and the integral strength of the guardrail is improved.

Wherein the connection assembly 73 is composed of a plurality of bolts. The bolt group passes through the corrugated beam plates of the double-layer double-wave guardrail standard section 5 and the double-layer double-wave guardrail transition section 7 to connect the two. The bolt connection is detachable, and the disassembly and the assembly are convenient.

Further, the double-layer double-wave guardrail transition section 7 is fixed on the concrete guardrail transition wall 3 through a connecting member 9. The wave beam plates and 71 the concrete guardrail transition wall 3 are connected in an anchoring manner through the connecting members 9. Specifically, the connection member 9 is a reinforcing bar.

In detail, the collision surface of the concrete guardrail transition wall 3 is changed into a straight wall slope from the slope of the concrete guardrail standard section 1. It can be understood that the slope of the impact face at one end of the concrete guardrail transition wall 3 gradually transits to the concrete guardrail standard section 1, and forms a straight arm slope, so that the connection structure between the concrete guardrail transition wall 3 and the concrete guardrail standard section 1 is smoother.

In detail, the concrete guardrail transition wall 3 forms a height gradient from high to low from one end to the other end near the double-layer double-wave guardrail transition section 7. That is, the concrete guardrail transition wall 3 is connected to one end of the double-layer double-wave guardrail transition section 7 to be high, and gradually lowered to the other end thereof to be the same as the concrete guardrail standard section 1 in height, so that the structure of the connecting section between the two is smoother and more attractive.

In another preferred embodiment, the dual-layer dual-wave guardrail and concrete guardrail transition structure further comprises a reinforced wave guardrail 10, wherein the reinforced wave guardrail 10 is a dual-layer dual-wave steel girder guardrail, is also installed in the assembly groove 8, and is installed above or below the dual-layer dual-wave guardrail transition section 7 side by side.

As shown in fig. 1, the dual-layer dual-wave guardrail standard section 5 is also a dual-layer dual-wave guardrail. Specifically, double-deck duplex wave guardrail is the duplex wave girder steel guardrail of upper and lower installation side by side, through installing double-deck duplex wave guardrail, can effectively strengthen intensity.

According to the double-layer double-wave guardrail and concrete guardrail transition structure provided by the utility model, the concrete guardrail standard section 1 and the double-layer double-wave guardrail standard section 5 are connected by utilizing the concrete guardrail transition wall 3 and the double-layer double-wave guardrail transition section 7, so that good transition connection is formed between the concrete guardrail and the double-layer double-wave guardrail, the cracking of the connection part is prevented from affecting the protection effect, the side surface of the concrete guardrail transition wall 3 is provided with the assembly groove, the highest surface of the double-layer double-wave guardrail transition section 7 arranged in the assembly groove is flush with the highest surface of the side surface of the concrete guardrail transition wall 3, the guardrail does not protrude from the highest surface of the concrete guardrail transition wall 3, the vehicle is prevented from being stumbled on the premise that the guardrail plays a guiding role, the vehicle is correctly led out, the safety performance is improved, and meanwhile, the double-layer double-wave guardrail transition structure has good protection capability.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (9)

1. The utility model provides a double-deck duplex wave guardrail and concrete guardrail transition structure, its characterized in that, including concrete guardrail standard section, concrete guardrail transition wall, double-deck duplex wave guardrail standard section and double-deck duplex wave guardrail transition section, concrete guardrail transition wall connects the concrete guardrail standard section, double-deck duplex wave guardrail standard section passes through double-deck duplex wave guardrail transition section is connected the concrete guardrail transition wall, the assembly groove has been seted up to a side of concrete guardrail transition wall, double-deck duplex wave guardrail transition section is kept away from the one end of double-deck duplex wave guardrail standard section is installed in the assembly groove, just the highest surface of double-deck guardrail duplex wave transition section with the highest surface parallel and level of concrete guardrail transition wall.

2. The double-layer double-wave guardrail and concrete guardrail transition structure according to claim 1, wherein the double-layer double-wave guardrail transition section and the double-layer double-wave guardrail standard section have the same structure and are composed of two double-wave guardrails installed up and down, each double-wave guardrail comprises a wave beam plate, a connecting component and a stand column, the stand column is fixed on the ground, and the wave beam plate of the double-layer double-wave guardrail transition section and the wave beam plate of the double-layer double-wave guardrail standard section are connected and fixed at the end part of the other end of the stand column through the connecting component.

3. The dual-layer dual-wave guardrail-to-concrete guardrail transition structure of claim 2, wherein said connection assembly is comprised of a plurality of bolts.

4. The dual-layer dual-wave guardrail-to-concrete guardrail transition structure of claim 1, wherein the dual-layer dual-wave guardrail transition section is secured to the concrete guardrail transition wall by a connecting member.

5. The dual-layer dual-wave guardrail-to-concrete guardrail transition structure of claim 4, wherein the connection member is a rebar.

6. The dual-layer dual-wave guardrail and concrete guardrail transition structure of claim 1, wherein the concrete guardrail transition wall impact surface transitions from the concrete guardrail standard section slope to a straight-wall slope.

7. The dual-layer dual-wave guardrail-to-concrete guardrail transition structure of claim 1, wherein the concrete guardrail transition wall forms a height gradient from high to low from one end proximate the dual-layer dual-wave guardrail transition section to the other end.

8. The dual-layer dual-wave guardrail-to-concrete guardrail transition structure of claim 1 further comprising a reinforced wave guardrail mounted side-by-side above or below the dual-layer dual-wave guardrail transition section.

9. The dual-layer dual-wave guardrail-to-concrete guardrail transition structure of claim 1, wherein the dual-layer dual-wave guardrail standard band is a dual-layer dual-wave steel beam guardrail.