Pedestrian walkway barrier construction and method of construction thereof

By combining anti-climb posts with low-height curbs on the pedestrian walkway and using snap-fit ​​components for fixation, the problems of curbs obstructing pedestrians and scratching car doors are solved, thus improving safety and stability.

CN117536044BActive Publication Date: 2026-06-30BEIJING GENERAL MUNICIPAL ENG DESIGN & RES INST

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING GENERAL MUNICIPAL ENG DESIGN & RES INST
Filing Date
2023-11-15
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

In the existing technology, the curb height set according to the standard not only hinders pedestrian travel, especially causing trouble for the elderly and people with mobility difficulties, but also easily scratches the car door when opening and closing, posing a safety hazard.

Method used

The design combines anti-climb posts with low-height curbs. The anti-climb posts are higher than the bottom edge of the passenger car's swing door, with spacing less than the vehicle width. The curbs are no higher than the bottom edge of the door and are secured by snap-fit ​​components such as annular grooves and vertical snap posts to prevent the posts from tipping over.

Benefits of technology

While meeting the safety height requirement for vehicle obstruction, it avoids impacting the swing doors of passenger vehicles, thus improving the safety and stability of the pedestrian walkway and reducing vehicle collision accidents.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a pedestrian walkway divider structure and its construction method, comprising: anti-climb posts, spaced apart along the extension direction of the pedestrian walkway between the walkway and the vehicle lane, wherein the spacing between the anti-climb posts is less than the width of a passenger vehicle, and the height of the anti-climb posts is higher than the lower edge of the passenger vehicle's swing door; and curb stones, spaced apart between the anti-climb posts, wherein the height of the curb stones is not higher than the lower edge. This invention combines relatively high anti-climb posts with relatively low curb stones, which can meet the safety height requirements for vehicle anti-climbing as stipulated by regulations while avoiding impact on the swing doors of passenger vehicles, thereby solving the technical problem of easy vehicle scratches in the prior art.
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Description

Technical Field

[0001] This invention belongs to the field of design of ancillary engineering for pedestrian walkway isolation facilities, specifically relating to the structure and construction method of a pedestrian walkway isolation strip. Background Technology

[0002] According to the design requirements for bridge curbs and railings in the "Code for Design of Urban Bridges" (2019 edition), the height of curbs for Class II and lower-grade bridges shall not be less than 40cm. Engineering practice has shown that curbs installed according to the code not only obstruct pedestrians, especially the elderly and people with mobility impairments, but also frequently cause them to scrape against the curb when opening and closing car doors.

[0003] In existing technologies, while continuous 40cm high curb stones installed according to regulations provide good anti-collision function, they obstruct pedestrian traffic and scratch vehicle doors, posing significant safety hazards. Therefore, there is a lack of a median strip structure that can both meet the safety height requirements for curb stones to prevent vehicles from climbing and avoid affecting the swing doors of passenger vehicles. Summary of the Invention

[0004] This invention provides a structure and construction method for a pedestrian walkway isolation strip, which can solve the above-mentioned technical problems.

[0005] According to one aspect of the present invention, a pedestrian walkway separation strip structure is provided, comprising: anti-climb posts, spaced apart between the walkway and the roadway along the extension direction of the pedestrian walkway, wherein the spacing of the anti-climb posts is less than the width of a passenger vehicle, and the height of the anti-climb posts is higher than the lower edge of the swing door of the passenger vehicle; and curb stones, spaced apart between the anti-climb posts, wherein the height of the curb stones is not higher than the lower edge.

[0006] Preferably, the curb is provided with a locking assembly to prevent the anti-climb post from tipping over. The locking assembly includes: an annular groove with a diameter larger than that of the anti-climb post; and a plurality of vertical locking posts located at the bottom of the annular groove and arranged around the anti-climb post. The height of each vertical locking post is one-fifth of the height of the anti-climb post, the length of each vertical locking post at the contact surface with the anti-climb post is one-fifth of the diameter of the anti-climb post, and the width of each vertical locking post at the non-contact surface with the anti-climb post is one-eighth of the diameter of the anti-climb post.

[0007] Preferably, when the height of the anti-climbing post is 40cm and the diameter is 15cm, the diameter of the annular groove is 19cm, the height of the vertical locking post is 8cm, the length is 3cm, and the width is 2cm.

[0008] Preferably, the anti-climb post is provided with a locking assembly to prevent the anti-climb post from tipping over. The locking assembly includes: a rectangular support located on the ground of the anti-climb post, the side length of which is greater than the diameter of the anti-climb post, and the height of which is equal to the height of the curb; and four tenons located at the four corners of the rectangular support, the length of which along the extension direction of the curb is half the diameter of the anti-climb post, and the width of which perpendicular to the extension direction of the curb is less than half the width of the curb.

[0009] Preferably, when the diameter of the anti-climb post is 15cm, the height of the curbstone is 15cm and the width is 25cm, the height of the rectangular support is 15cm, the side length is 25cm, the length of the tenon is 8cm, and the width of the tenon is less than 10cm.

[0010] Preferably, the width of the tenon is variable, and the width of the tenon at the root of the rectangular support is greater than the width of the tenon at the top away from the rectangular support.

[0011] Preferably, the anti-climb post is 40-50cm high and 15-20cm in diameter, with a circular or square shape at the top and a fluorescent warning strip on its surface. The distance between two adjacent anti-climb posts is 1-2m, and the curbstone is 15-25cm high.

[0012] Preferably, on main roads, the spacing between the anti-climbing posts is 1.5m and the diameter of the anti-climbing posts is 20cm; on secondary roads and branch roads, the spacing between the anti-climbing posts is 2m and the diameter of the anti-climbing posts is 15cm.

[0013] According to another aspect of the present invention, a method for constructing a pedestrian walkway safety barrier is provided, comprising:

[0014] Step 1: Construct the main beam and tie the embedded steel bars;

[0015] Step 2: Create an annular groove on the curbstone, with a diameter larger than that of the anti-climb post;

[0016] Step 3: Install prefabricated anti-climb posts;

[0017] Step 4: At the bottom of the annular groove, install multiple vertical posts around the anti-climbing column. The height of each vertical post is one-fifth of the height of the anti-climbing column, the length of the vertical post at the contact surface with the anti-climbing column is one-fifth of the diameter of the anti-climbing column, and the width of the vertical post at the non-contact surface with the anti-climbing column is one-eighth of the diameter of the anti-climbing column.

[0018] Step 5: Apply adhesive and connect;

[0019] Step Six: Construct a pedestrian walkway on the side of the anti-climb post away from the driveway.

[0020] According to another aspect of the present invention, a construction method for a pedestrian walkway isolation strip is provided, comprising:

[0021] Step 1: Construct the main beam and tie the embedded steel bars;

[0022] Step 2: Construct a rectangular support on the ground of the anti-climb post, with a side length greater than the diameter of the anti-climb post and a height equal to the height of the curbstone.

[0023] Step 3: Make four tenons at the four corners of the rectangular support. The length of the tenon along the extension direction of the curb is half the diameter of the anti-climb post, and the width of the tenon perpendicular to the extension direction of the curb is less than half the width of the curb.

[0024] Step 4: Install the prefabricated curb stones;

[0025] Step 5: Fill the cross-section with colloidal material;

[0026] Step Six: Construct a pedestrian walkway on the side of the anti-climb post away from the driveway.

[0027] This invention provides a pedestrian walkway barrier structure and its construction method, comprising: anti-climb posts, spaced apart along the extension direction of the pedestrian walkway between the walkway and the vehicle lane, wherein the spacing between the anti-climb posts is less than the width of a passenger vehicle, and the height of the anti-climb posts is higher than the lower edge of the passenger vehicle's swing door; and curb stones, spaced apart between the anti-climb posts, wherein the height of the curb stones is not higher than the lower edge. This invention combines relatively high anti-climb posts with relatively low curb stones, which can meet the safety height requirements for vehicle anti-climbing as stipulated by regulations while avoiding impact on the swing doors of passenger vehicles, thereby solving the technical problem of easy vehicle scratches in the prior art. Attached Figure Description

[0028] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this invention, illustrate exemplary embodiments of the invention and are used to explain the invention, but do not constitute an undue limitation of the invention. In the drawings:

[0029] Figure 1 A cross-sectional view of the pedestrian walkway isolation strip structure according to an embodiment of the present invention is shown;

[0030] Figure 2 An elevation view of the pedestrian walkway isolation strip structure according to an embodiment of the present invention is shown;

[0031] Figure 3 A top view of the curbstone snap-fit ​​assembly according to an embodiment of the present invention is shown;

[0032] Figure 4 A side view of the curbstone snap-fit ​​assembly construction according to an embodiment of the present invention is shown;

[0033] Figure 5 A top view of the anti-climb post snap-fit ​​assembly according to an embodiment of the present invention is shown;

[0034] Figure 6 A side view of the anti-climb post snap-fit ​​assembly according to an embodiment of the present invention is shown; and

[0035] Figure 7 A perspective view of a pedestrian walkway isolation strip according to an embodiment of the present invention is shown.

[0036] In the picture: 1. Anti-climb post; 2. Curbstone; 3. Main construction beam; 4. Concrete; 5. Asphalt. Detailed Implementation

[0037] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0038] Reference will now be made in detail to various embodiments of the invention, examples of which are shown in the accompanying drawings and described below. For ease of interpretation and precise definition in the appended claims, the terms “upper,” “lower,” “inner,” and “outer” are used to describe features with reference to their location in the exemplary embodiments shown in the figures.

[0039] According to an embodiment of the present invention, a pedestrian walkway isolation strip structure includes: anti-climb posts 1, which are spaced apart between the walkway and the roadway along the extension direction of the pedestrian walkway, wherein the spacing of the anti-climb posts 1 is less than the width of a passenger vehicle, and the height of the anti-climb posts 1 is higher than the lower edge of the swing door of the passenger vehicle; and curb stones 2, which are spaced apart between the anti-climb posts 1, wherein the height of the curb stones 2 is not higher than the lower edge.

[0040] In related technologies, high curb stones can easily cause inconvenience to pedestrians and lead to scratches on car doors when opening and closing. This invention combines higher anti-climb posts with lower curb stones. The anti-climb posts meet the safety height requirements for vehicle anti-climbing as stipulated by regulations, while the lower curb stones avoid affecting the swing doors of passenger vehicles. Thus, it can meet installation regulations while preventing vehicle scratches and property damage.

[0041] According to an embodiment of the present invention, the curbstone 2 is provided with a locking assembly to prevent the anti-climb post 1 from tipping over. The locking assembly includes: an annular groove with a diameter larger than the diameter of the anti-climb post 1; and a plurality of vertical locking posts located at the bottom of the annular groove and arranged around the anti-climb post 1. The height of the vertical locking posts is one-fifth of the height of the anti-climb post 1, the length of the vertical locking posts at the contact surface with the anti-climb post 1 is one-fifth of the diameter of the anti-climb post 1, and the width of the vertical locking posts at the non-contact surface with the anti-climb post 1 is one-eighth of the diameter of the anti-climb post 1.

[0042] According to an embodiment of the present invention, when the height of the anti-climbing post 1 is 40cm and the diameter is 15cm, the diameter of the annular groove is 19cm, the height of the vertical locking post is 8cm, the length is 3cm, and the width is 2cm.

[0043] In related technologies, curbstone anti-climb posts are prone to tipping over when subjected to external impacts. Existing technologies often only fix the curbstone anti-climb posts in a single vertical or horizontal direction. This invention addresses this by providing a locking assembly on the curbstone, including an annular groove and a vertical locking post, thereby preventing the curbstone anti-climb post from moving in both the horizontal and vertical directions, achieving the technical effect of securing the curbstone and the anti-climb post.

[0044] According to an embodiment of the present invention, the anti-climb post 1 is provided with a snap-fit ​​assembly to prevent the anti-climb post 1 from tipping over. The snap-fit ​​assembly includes: a rectangular support located on the ground of the anti-climb post 1, the side length of which is greater than the diameter of the anti-climb post 1 and the height of which is equal to the height of the curbstone 2; and four tenons located at the four corners of the rectangular support. The length of the tenons along the extension direction of the curbstone 2 is half the diameter of the anti-climb post 1, and the width of the tenons perpendicular to the extension direction of the curbstone 2 is less than half the width of the curbstone 2.

[0045] According to an embodiment of the present invention, when the diameter of the anti-climb post 1 is 15cm, the height of the curbstone 2 is 15cm and the width is 25cm, the height of the rectangular support is 15cm, the side length is 25cm, the length of the tenon is 8cm, and the width of the tenon is less than 10cm.

[0046] According to an embodiment of the present invention, the width of the tenon is variable, and the width of the tenon at the root of the rectangular support is greater than the width of the tenon at the top away from the rectangular support.

[0047] In related technologies, curbstone anti-climb posts are prone to displacement when subjected to external impact. This invention provides a rectangular support with a tenon, which enables the curbstone anti-climb posts to be fixed in place while the pedestrian walkway barrier structure is integrally formed, thereby improving the stability of the entire pedestrian walkway barrier structure.

[0048] According to an embodiment of the present invention, the anti-climb post 1 is 40-50cm high and 15-20cm in diameter, with a circular or square shape on its top and a fluorescent warning strip on its surface. The distance between two adjacent anti-climb posts 1 is 1-2m, and the curbstone 2 is 15-25cm high.

[0049] In related technologies, curbstone anti-climb posts and low-height curbstones often need to have their shapes modified according to landscape requirements. This invention provides a pedestrian walkway divider structure that can be modified in shape and equipped with warning colors according to actual conditions, thereby meeting the diverse landscape and warning color requirements for pedestrian walkway dividers.

[0050] According to an embodiment of the present invention, the spacing between the anti-climbing posts 1 on main roads is 1.5m and the diameter of the anti-climbing posts 1 is 20cm; the spacing between the anti-climbing posts 1 on secondary roads and branch roads is 2m and the diameter of the anti-climbing posts 1 is 15cm.

[0051] According to an embodiment of the present invention, a construction method for a pedestrian walkway isolation strip includes:

[0052] Step 1: Construct main beam 3 and tie the embedded steel bars;

[0053] Step 2: Make an annular groove on the curbstone 2, the diameter of which is larger than the diameter of the anti-climb post 1;

[0054] Step 3: Install the prefabricated anti-climb posts 1;

[0055] Step 4: At the bottom of the annular groove, install multiple vertical posts around the anti-climbing column 1. The height of each vertical post is one-fifth of the height of the anti-climbing column 1. The length of each vertical post at the contact surface with the anti-climbing column 1 is one-fifth of the diameter of the anti-climbing column 1. The width of each vertical post at the non-contact surface with the anti-climbing column 1 is one-eighth of the diameter of the anti-climbing column 1.

[0056] Step 5: Apply adhesive and connect;

[0057] Step 6: Construct a pedestrian walkway on the side of the anti-climb post 1 away from the driveway.

[0058] According to an embodiment of the present invention, a construction method for a pedestrian walkway isolation strip includes:

[0059] Step 1: Construct main beam 3 and tie the embedded steel bars;

[0060] Step 2: Construct a rectangular support on the ground of the anti-climb post 1, with a side length greater than the diameter of the anti-climb post 1 and a height equal to the height of the curbstone 2.

[0061] Step 3: Make four tenons at the four corners of the rectangular support. The length of the tenon along the extension direction of the curbstone 2 is half the diameter of the anti-climb post 1, and the width of the tenon perpendicular to the extension direction of the curbstone 2 is less than half the width of the curbstone 2.

[0062] Step 4: Install the prefabricated curbstone 2;

[0063] Step 5: Fill the cross-section with colloidal material;

[0064] Step 6: Construct a pedestrian walkway on the side of the anti-climb post 1 away from the driveway.

[0065] In related technologies, curb stones are mostly produced using cast-in-place methods, which extends the construction period. The low-height curb stones in this invention can be prefabricated, which is simple to operate and can achieve the effects of saving costs and construction time, as well as protecting the natural environment of the site.

[0066] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following embodiments are merely examples to clearly illustrate the present invention and are not intended to limit the implementation of the invention. Those skilled in the art can make other variations or modifications based on the following description, and these variations, modifications, substitutions, and alterations arising from the principles and spirit of the present invention still fall within the protection scope of the present invention.

[0067] Figure 1 A cross-sectional view of the pedestrian walkway isolation strip structure according to an embodiment of the present invention is shown;

[0068] Figure 2 An elevation view of the pedestrian walkway safety barrier structure according to an embodiment of the present invention is shown. Figure 1 , Figure 2 As shown, a pedestrian walkway isolation strip structure includes: anti-climb posts 1, which are spaced apart between the walkway and the roadway along the extension direction of the pedestrian walkway, wherein the spacing of the anti-climb posts 1 is less than the width of a passenger car, and the height of the anti-climb posts 1 is higher than the lower edge of the swing door of the passenger car; and curb stones 2, which are spaced apart between the anti-climb posts 1, wherein the height of the curb stones 2 is not higher than the lower edge.

[0069] Figure 3 A top view of the curbstone snap-fit ​​assembly according to an embodiment of the present invention is shown. Figure 4 A side view of the curbstone snap-fit ​​assembly construction according to an embodiment of the present invention is shown. Figure 3 , Figure 4As shown, the curbstone 2 is equipped with a locking assembly to prevent the anti-climb post 1 from tipping over. The locking assembly includes: an annular groove with a diameter larger than that of the anti-climb post 1; and multiple vertical locking posts located at the bottom of the annular groove and arranged around the anti-climb post 1. The height of each vertical locking post is one-fifth of the height of the anti-climb post 1, the length of each vertical locking post at the contact surface with the anti-climb post 1 is one-fifth of the diameter of the anti-climb post 1, and the width of each vertical locking post at the non-contact surface with the anti-climb post 1 is one-eighth of the diameter of the anti-climb post 1.

[0070] Figure 5 A top view of the anti-climb post snap-fit ​​assembly according to an embodiment of the present invention is shown. Figure 6 A side view of the anti-climb post snap-fit ​​assembly according to an embodiment of the present invention is shown. Figure 7 A three-dimensional view of the pedestrian walkway divider is shown. (See diagram below.) Figure 5 , Figure 6 As shown, the anti-climb post 1 is equipped with a snap-fit ​​assembly to prevent the anti-climb post 1 from tipping over. The snap-fit ​​assembly includes: a rectangular support located on the ground of the anti-climb post 1, the side length of which is greater than the diameter of the anti-climb post 1, and the height of which is equal to the height of the curbstone 2; and four tenons located at the four corners of the rectangular support. The length of the tenons along the extension direction of the curbstone 2 is half the diameter of the anti-climb post 1, and the width of the tenons perpendicular to the extension direction of the curbstone 2 is less than half the width of the curbstone 2.

[0071] In summary, while continuous, uniformly sized curb stones installed according to regulations offer good collision protection, they also present technical problems such as being prone to scratching vehicle doors and obstructing pedestrian traffic. This invention provides a pedestrian walkway median strip structure and its construction method, employing a combination of taller anti-climb posts and lower curb stones. This approach meets the safety height requirements for vehicle anti-climbing curb stones stipulated by regulations while avoiding impact on passenger vehicle swing doors, thus solving the technical problem of easy vehicle scratching in existing technologies.

[0072] The above embodiments are merely examples to clearly illustrate the present invention and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the following description, and these variations, modifications, substitutions, and alterations arising from the principles and spirit of the present invention still fall within the protection scope of the present invention.

Claims

1. A pedestrian walkway barrier construction, characterised in that, include: Anti-climb posts (1) are spaced apart between the walkway and the roadway along the direction of the pedestrian walkway, wherein the spacing of the anti-climb posts (1) is less than the width of the passenger car, and the height of the anti-climb posts (1) is higher than the lower edge of the swing door of the passenger car. Curbstones (2) are spaced apart between the anti-climb posts (1), wherein the height of the curbstones (2) is not higher than the lower edge; The curbstone (2) is provided with a locking assembly to prevent the anti-climb post (1) from tipping over. The locking assembly includes: The diameter of the annular groove is larger than the diameter of the anti-climbing column (1); Multiple vertical posts are located at the bottom of the annular groove and arranged around the anti-climbing column (1). The height of the vertical posts is one-fifth of the height of the anti-climbing column (1). The length of the vertical posts at the contact surface with the anti-climbing column (1) is one-fifth of the diameter of the anti-climbing column (1). The width of the vertical posts at the non-contact surface with the anti-climbing column (1) is one-eighth of the diameter of the anti-climbing column (1).

2. The isolation strip structure according to claim 1, characterized in that, When the height of the anti-climbing post (1) is 40cm and the diameter is 15cm, the diameter of the annular groove is 19cm, the height of the vertical locking post is 8cm, the length is 3cm, and the width is 2cm.

3. A pedestrian walkway barrier construction, characterised in that, include: Anti-climb posts (1) are spaced apart between the walkway and the roadway along the direction of the pedestrian walkway, wherein the spacing of the anti-climb posts (1) is less than the width of the passenger car, and the height of the anti-climb posts (1) is higher than the lower edge of the swing door of the passenger car. Curbstones (2) are spaced apart between the anti-climb posts (1), wherein the height of the curbstones (2) is not higher than the lower edge; The anti-climb post (1) is equipped with a locking assembly to prevent the anti-climb post (1) from tipping over. The locking assembly includes: A rectangular support is located on the ground of the anti-climb post (1), with a side length greater than the diameter of the anti-climb post (1) and a height equal to the height of the curbstone (2). Four tenons are located at the four corners of the rectangular support. The length of the tenons along the extension direction of the curbstone (2) is half the diameter of the anti-climb post (1). The width of the tenons perpendicular to the extension direction of the curbstone (2) is less than half the width of the curbstone (2).

4. The isolation strip structure according to claim 3, characterized in that, When the diameter of the anti-climb post (1) is 15cm, the height of the curbstone (2) is 15cm and the width is 25cm, the height of the rectangular support is 15cm, the side length is 25cm, the length of the tenon is 8cm, and the width of the tenon is less than 10cm.

5. The isolation strip structure according to claim 4, characterized in that, The width of the tenon is variable, and the width of the tenon at the root of the rectangular support is greater than the width of the tenon at the top away from the rectangular support.

6. The isolation strip structure according to claim 5, characterized in that, The anti-climb post (1) is 40-50cm high and 15-20cm in diameter. Its top is round or square and has a fluorescent warning strip on its surface. The distance between two adjacent anti-climb posts (1) is 1-2m. The curbstone (2) is 15-25cm high.

7. The isolation strip structure according to claim 6, characterized in that, On main roads, the spacing between the anti-climb posts (1) is 1.5m and the diameter of the anti-climb posts (1) is 20cm. On secondary roads and branch roads, the spacing between the anti-climb posts (1) is 2m and the diameter of the anti-climb posts (1) is 15cm.

8. A construction method for a pedestrian walkway isolation strip structure according to claim 1, characterized in that, include: Step 1: Construct the main beam (3) and tie the embedded steel bars; Step 2: Make an annular groove on the curbstone (2), the diameter of which is larger than the diameter of the anti-climb post (1); Step 3: Install prefabricated anti-climb posts (1); Step 4: At the bottom of the annular groove, multiple vertical posts are made and arranged around the anti-climbing column (1). The height of the vertical posts is one-fifth of the height of the anti-climbing column (1), the length of the vertical posts at the contact surface with the anti-climbing column (1) is one-fifth of the diameter of the anti-climbing column (1), and the width of the vertical posts at the non-contact surface with the anti-climbing column (1) is one-eighth of the diameter of the anti-climbing column (1). Step 5: Apply adhesive and connect; Step 6: Construct a pedestrian walkway on the side away from the climbing barrier post (1) on the side away from the driveway.

9. A construction method for a pedestrian walkway isolation strip structure according to claim 3, characterized in that, include: Step 1: Construct the main beam (3) and tie the embedded steel bars; Step 2: Construct a rectangular support on the ground of the anti-climb post (1), with a side length greater than the diameter of the anti-climb post (1) and a height equal to the height of the curbstone (2). Step 3: Make four tenons at the four corners of the rectangular support. The length of the tenons along the extension direction of the curbstone (2) is half the diameter of the anti-climb post (1). The width of the tenons perpendicular to the extension direction of the curbstone (2) is less than half the width of the curbstone (2). Step 4: Install prefabricated curb stones (2); Step 5: Fill the cross-section with colloidal material; Step 6: Construct a pedestrian walkway on the side away from the climbing barrier post (1) on the side away from the driveway.