CN209798610U - Guard bar of separation belt - Google Patents

Abstract

The utility model relates to a separate area guardrail, including first wave plate, second wave plate, the cross slab, stand and cement concrete foundation, the bottom of stand is passed cement concrete foundation, one of them part of stand is fixed in among the cement concrete foundation, the lateral wall of cross slab with the upper end fixed connection of stand, the both ends of cross slab respectively with first wave plate with second wave plate fixed connection, the cross slab is located the top of cement concrete foundation. Can satisfy the maintenance and the easy maintenance of guardrail simultaneously, and the structure is penetrating.

Description

Guard bar of separation belt

Technical Field

The utility model relates to a guardrail technical field especially relates to a separate zone guardrail.

Background

The existing concrete guardrail has the serious defects of no permeability, strong depression, easy psychological stress of driving and visual fatigue caused by long-distance driving and the like; the cable type guardrail and the cable guardrail are flexible guardrails, the construction process of the cable guardrail is complex, and the damage and the repair of end upright posts are difficult.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the guardrail can not satisfy simultaneously and maintain and easy maintenance, and the technical problem of structure penetrating.

In order to solve the technical problem, the utility model provides a separate area guardrail.

The utility model provides a separate area guardrail, including first wave plate, second wave plate, cross slab, stand and cement concrete foundation, the bottom of stand is passed cement concrete foundation, one of them part of stand is fixed in among the cement concrete foundation, the lateral wall of cross slab with the upper end fixed connection of stand, the both ends of cross slab respectively with first wave plate with second wave plate fixed connection, the cross slab is located the top of cement concrete foundation.

Preferably, the cement concrete foundation comprises reinforcing steel bars and cement, the arrangement shape of the reinforcing steel bars is a net shape, and the cement wraps the reinforcing steel bars.

Preferably, the length of the cement concrete foundation is 5m-6 m; the width of the cement concrete foundation is 0.8m-1.2 m; the thickness of the cement concrete foundation is 0.2m-0.4 m.

Preferably, the distance between adjacent columns is 2m-3 m.

Preferably, the distance between adjacent cement concrete foundations is 10cm-50 cm.

Preferably, the horizontal distance from the center of the upright post to the side edge of the top surface of the cement concrete foundation is 30cm-40 cm.

Preferably, the included angle formed between the top surface and the side surface of the cement concrete foundation is a round angle.

Preferably, the vertical distance between the top surface of the upright post and the top surface of the cement concrete foundation is 0.65-0.8 m.

Preferably, two ends of the diaphragm plate are fixed with the first corrugated plate or the second corrugated plate through first bolts, and the side wall of the diaphragm plate is fixed with the upright posts through second bolts.

Preferably, still include the erection column, the erection column with the cement concrete foundation is connected, the top of erection column is located first wave form board or the top of second wave form board, the solar energy warning light is installed at the top of erection column.

The utility model discloses beneficial effect with the prior art contrast includes: the bottom of the stand column penetrates through the cement concrete foundation, the part of the stand column is fixed in the cement concrete foundation, the side wall of the transverse partition plate is fixedly connected with the stand column, two ends of the transverse partition plate are respectively connected with the first corrugated plate and the second corrugated plate, the transverse partition plate is positioned above the cement concrete foundation, the first corrugated plate and the second corrugated plate are fixed with the stand column through the transverse partition plate, the stand column, the transverse partition plate, the corrugated plates and the cement concrete foundation form the guardrail together, the guardrail is simple in structure and convenient to maintain and repair, when the guardrail is installed on a road for use, the bottom of the stand column is buried under the ground, a gap is reserved between adjacent stand columns, the guardrail is transparent, psychological tension and visual fatigue of a driver can not be caused, and maintenance and repair convenience for the guardrail can be simultaneously realized, and has a transparent structure.

Drawings

The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:

Figure 1 is a left side view of a median barrier in an embodiment of the present invention.

figure 2 is a front view of a divider guardrail in an embodiment of the present invention.

Description of reference numerals: 1. a first corrugated plate; 11. a first bolt; 2. a second corrugated plate; 3. a diaphragm plate; 4. a column; 5. a cement concrete foundation; 6. a ground surface; 7. mounting a column; 8. solar energy warning light.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

With reference to fig. 1-2, the present embodiment provides a partition guardrail, which includes a first corrugated plate 1, a second corrugated plate 2, a diaphragm plate 3, a column 4 and a cement concrete foundation 5, wherein the bottom end of the column 4 penetrates through the cement concrete foundation 5, one part of the column 4 is fixed in the cement concrete foundation 5, the sidewall of the diaphragm plate 3 is fixedly connected with the upper end of the column 4, two ends of the diaphragm plate 3 are respectively fixedly connected with the first corrugated plate 1 and the second corrugated plate 2, and the diaphragm plate 3 is located above the cement concrete foundation 5. When the guardrail structure is used, the bottom ends of the stand columns penetrate through the cement concrete foundation and are buried under the ground 6, the cement concrete foundation 5 is located on the ground 6, the guardrail of the structure can enhance the collision resistance, the buffering performance and the guiding performance when a vehicle collides with the guardrail, the Am-level protection level for the guardrail in the middle of a road can be achieved, and the SBm-level protection level can be achieved. Two diaphragm plates are usually connected to two sides of each upright column to strengthen the fixation of the first corrugated plate and the second corrugated plate. In this embodiment, the depth of the columns penetrating through the hydraulic soil foundation and buried in the ground is 1.5m-1.8 m.

On the basis of the above embodiment, the cement concrete foundation 5 in this embodiment includes reinforcing steel bars and cement, the arrangement shape of the reinforcing steel bars is a net shape, and the cement wraps the reinforcing steel bars. The mesh reinforcement is preferably a groined mesh reinforcement.

On the basis of the above embodiment, the length of the cement concrete foundation 5 of the embodiment is 5m-6 m; the width of the cement concrete foundation 5 is 0.8m-1.2 m; the thickness of the cement concrete foundation 5 is 0.2-0.4 m. The concrete foundation of this size can strengthen the crashproof performance of guardrail.

On the basis of the above embodiment, the distance between the adjacent columns 4 in the present embodiment is 2m to 3 m. The anti-collision performance of the guardrail is ensured while the permeability of the guardrail is improved.

on the basis of the above embodiment, the distance between the adjacent cement concrete foundations 5 in this embodiment is 10cm to 50 cm. The phenomenon that the wheel is mixed and blocked by gaps between adjacent cement concrete foundations is avoided.

On the basis of the above embodiment, the horizontal distance from the center of the column 4 to the side of the top face of the cement concrete foundation 5 in the present embodiment is 30cm to 40 cm. This horizontal distance is convenient for be under construction, including the stand, the installation of wave plate and pouring of cement concrete foundation, the whole atress of guardrail is more even moreover. Note that the side edges of the top surface of the cement concrete foundation 5 refer to the left and right sides of the top surface demarcated by the corrugated plate.

In this embodiment, the stand is preferred to be located the central axis position at the cement concrete foundation, and vertical look appears to be the axisymmetric structure, and pleasing to the eye atmosphere, visual effect is good. The same protection effect is achieved for vehicles running on two sides.

On the basis of the above embodiment, the included angle formed by the top surface and the side surface of the cement concrete foundation 5 in the embodiment is a round angle. The damage to the colliding object can be reduced.

On the basis of the above embodiment, in the present embodiment, the vertical distance between the top surface of the upright post 4 and the top surface of the cement concrete foundation 5 is 0.65-0.8 m.

On the basis of the above embodiments, in the present embodiment, both ends of the diaphragm plate 3 are fixed to the first corrugated plate 1 or the second corrugated plate 2 by the first bolts, and the side wall of the diaphragm plate 3 is fixed to the pillar 4 by the second bolts. The fixing or splitting of the diaphragm plate 3 and the upright post 4 can be realized by screwing or unscrewing the bolts, and the fixing or splitting of the diaphragm plate 3 and the corrugated plate can also be realized by the bolts in the same way. In addition, the adjacent first corrugated plates or the adjacent second corrugated plates are detachably connected by bolts.

On the basis of the above embodiment, the solar energy warning light further comprises an installation column 7, the installation column 7 is connected with the cement concrete foundation 5, the top of the installation column 7 is located above the first corrugated plate 1 or the second corrugated plate 2, and the top of the installation column 7 is provided with a solar energy warning light 8. The solar warning lamp plays the role of warning and reminding the vehicle about to pass through, and prevents the vehicle from colliding pedestrians or animals and the like passing through the guardrail. It should be noted that the solar warning light in this embodiment is a warning light in the prior art, and the warning and reminding functions can be achieved by adopting the mutual combination of the above components.

The installation process of median guardrail in this embodiment is as follows:

1. The upright posts penetrate through the cement concrete foundation and are buried under the ground.

2. The side wall of the diaphragm plate is fixedly connected with the side surface of the upright post through a bolt.

3. Two tip are connected with the first wave form beam slab and the second wave form board of both sides respectively about the cross slab, accomplish the installation of median guardrail.

In this embodiment, LS-DYNA numerical simulation software is used to build a collision simulation model of the barrier of the division strip in the above embodiment, which is as follows:

Analyzing the correlation between the structural parameters of the first corrugated plate, the second corrugated plate and the cement concrete foundation and the collision resistance, the buffering performance and the guiding performance of the guardrail;

And optimally designing the structural parameters of the first corrugated plate, the second corrugated plate and the cement concrete foundation to obtain Am-grade or SBm-grade structural parameters meeting the requirements of road guardrail safety performance evaluation standards (JTG B05-01-2013).

through simulation analysis of the standard section of the division strip guardrail in the embodiment, the following conclusion is reached:

1. The division belt guardrail can lead the vehicle to be guided smoothly; the accelerations in the directions of the x, y and z of the center of mass of the passenger car are respectively 19.73g, 16.66g and 11.36g, the accelerations in the directions of the x, y and z of the center of mass of the medium-sized passenger car are respectively 10.06g, 3.48g and 3.75g, and the accelerations in the directions of the x, y and z of the center of mass of the medium-sized freight car are respectively 11.63g, 18.50g and 5.90g, so that the accelerations in the center of mass of the car can meet the requirement of regulation that the accelerations do not exceed 20 g; after the acceleration simulation collision, the lateral dynamic offset of the vehicle-guardrail of the small passenger car, the medium passenger car and the medium truck is respectively 25mm, 629mm and 615mm, and all meet the requirement of not more than 1200 mm.

2. When a vehicle impacts the standard section of the barrier of the separation zone, the maximum stress influence range of the cement concrete foundation at the position with the upright post hole is not more than 300mm, and the cement concrete foundation is partially damaged in the collision process.

therefore, the novel guardrail protection grade ratio can reach SBm grade.

Compared with a concrete guardrail, the division belt guardrail in the embodiment solves the serious defects that the guardrail is high in rigidity, vehicles and passengers in accidents are seriously damaged, the maintenance time is long, the obstruction and depression feeling is very strong, and the psychological stress and visual fatigue are easily caused by long-distance driving.

In addition, the width of the novel guardrail central separation belt is not more than 1.2m, and the occupied rate of the road surface of the constructed road is saved.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.

Claims (10)

1. The utility model provides a separation area guardrail, its characterized in that, includes first wave form board, second wave form board, cross slab, stand and cement concrete foundation, the bottom of stand is passed cement concrete foundation, one of them part of stand is fixed in among the cement concrete foundation, the lateral wall of cross slab with the upper end fixed connection of stand, the both ends of cross slab respectively with first wave form board with second wave form board fixed connection, the cross slab is located the top of cement concrete foundation.

2. The division belt guard rail of claim 1, wherein the cement concrete foundation includes reinforcing bars and cement, the reinforcing bars are arranged in a net shape, and the cement wraps the reinforcing bars.

3. the division belt guard rail of claim 1, wherein the cement concrete foundation has a length of 5m-6 m; the width of the cement concrete foundation is 0.8m-1.2 m; the thickness of the cement concrete foundation is 0.2m-0.4 m.

4. The divider guardrail of claim 1 wherein the distance between adjacent posts is 2-3 m.

5. The division strip guard rail of claim 1, wherein a distance between the adjacent cement concrete foundations is 10cm to 50 cm.

6. The division belt guard rail of claim 1, wherein a horizontal distance from the center of the post to the side of the top surface of the cement concrete foundation is 30cm to 40 cm.

7. The division belt guard rail of claim 1, wherein the top surface of the cement concrete foundation forms an included angle with the side surface which is a rounded angle.

8. The division belt guard rail of claim 1, wherein the vertical distance of the top surface of the post from the top surface of the cement concrete foundation is 0.65-0.8 m.

9. The division belt guard of claim 1, wherein both ends of the diaphragm plate are fixed to the first or second corrugated plate by first bolts, and the sidewall of the diaphragm plate is fixed to the post by second bolts.

10. The division belt guard of claim 1, further comprising a mounting post connected with the cement concrete foundation, wherein a top of the mounting post is positioned above the first corrugated plate or the second corrugated plate, and a solar warning light is mounted on the top of the mounting post.