Structure for preventing and treating guardrail coping crack leakage and deterioration decay
By employing a dual connection and anchoring process at the top of the roof concrete guardrail, combined with polymer mortar bonding of precast components and steel mesh strips, the problem of premature aging and deterioration of concrete guardrails caused by sun exposure and temperature differences was solved, thus improving the overall integrity and durability of the structure.
Patent Information
- Application Number
- CN202520088198.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-14
AI Technical Summary
The top part of the concrete roof railing is prone to displacement, deformation, cracking and deterioration under the influence of sunlight and temperature difference, which leads to premature aging and reduced durability of the structure.
A dual connection and fixing process of bonding and anchoring is adopted, combined with optimized component splicing joint structure, using prefabricated components and the first steel mesh belt, which are fixed to the top of the concrete guardrail with polymer mortar to enhance its resistance to sun exposure, temperature difference and wind and rain erosion.
It effectively improves the integrity, stability and durability of the concrete guardrail top, reduces displacement deformation and deterioration, and enhances the crack resistance of the structure.
Smart Images

Figure CN223753627U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field technology of building construction, especially a structure for preventing and treating top-cracking and deterioration of a guardrail. BACKGROUND
[0002] Roof concrete guardrails are safety facilities used in building structures to protect the edges of roofs and prevent people or objects from falling. These concrete guardrails are usually made of concrete materials, have high strength, good durability, low maintenance costs, and are very suitable for use in outdoor environments, especially in situations that require bearing large loads or harsh weather conditions. Roof concrete structure guardrails are widely used in various building scenarios, including but not limited to: 1. Roof edge protection for high-rise buildings. 2. Balcony and terrace protection for villas, residential buildings, etc. 3. Roof safety access and maintenance platform protection for industrial plants, warehouses, etc. 4. Roof activity area protection for schools, hospitals, etc. 5. Courtyard fence protection.
[0003] Roof concrete guardrails are one of the important facilities to ensure building safety. Through reasonable design, material selection, and installation, the guardrails can effectively protect people's safety. Regular maintenance and inspection are also crucial for the long-term stable operation of the guardrails.
[0004] Although the top part of the roof concrete guardrail has high strength, its hardness and brittleness are very obvious, and its ability to resist external forces such as sunlight and temperature differences is weak. The top part of the concrete guardrail is easily displaced, deformed, and cracked due to long-term exposure to sunlight, temperature differences, and other external forces, leading to widespread early decay and deterioration of the structure. Therefore, it is necessary to research a solution to solve the above problems. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model is aimed at the defects of the general method of roof concrete guardrail technology. By using a double connection fixing process of bonding and anchoring at the top part of the roof concrete structure guardrail, combined with the optimization of the component splicing joint structure, and the composite of the prefabricated component with good heat insulation performance, the ability of the roof concrete guardrail top part to resist sunlight, temperature differences, and weather erosion is greatly enhanced, thereby effectively ensuring the integrity, durability, stability, and safety and reliability of the roof concrete structure guardrail.
[0006] To achieve the above purpose, the utility model adopts the following technical solutions:
[0007] The application discloses a structure for preventing and treating top leakage and deterioration of a guardrail, which comprises a concrete guardrail, a prefabricated component and a first steel mesh belt.
[0008] As a preferred solution, the first steel mesh belt is a special steel mesh belt with ribs, which is a sheet-shaped metal component with a plurality of rhombic adhesive through holes and a three-dimensional mesh shape. The first steel mesh belt comprises a sheet-shaped component body, a plurality of through holes are arranged on the component body, the component body is a bendable three-dimensional mesh structure, and a plurality of edge strips are arranged to form a three-dimensional mesh structure, and each edge strip is in a wave-shaped three-dimensional kink shape. The through holes at the intersection of each edge strip are used for filling and adhering adhesive, and the through holes are in one of rhombic, circular, square or irregular geometric shapes. Ribs are arranged on the component body for anchoring nails to pass through and be anchored. The ribs are arranged on the middle or side of the component body.
[0009] As a preferred solution, the length of the first steel mesh belt is twice or more than the width of the concrete guardrail, and the length of the first steel mesh belt anchored on the bonding surface of the prefabricated component is consistent with the width of the concrete guardrail or 10-20 mm shorter than the width of the concrete guardrail.
[0010] As a preferred solution, the prefabricated component is a cement prefabricated component, a foamed ceramic plate, an aerated concrete block or a sintered brick block.
[0011] As a preferred solution, the two sides of the prefabricated component protrude from the inner and outer sides of the concrete guardrail by 10-100 mm. Alternatively, one side of the prefabricated component is flush with one side of the decorative surface of the concrete guardrail, and the other side of the prefabricated component protrudes from the other side of the decorative surface of the concrete guardrail by 10-60 mm. Alternatively, the two sides of the prefabricated component are flush with the two sides of the decorative surface of the concrete guardrail.
[0012] As a preferred solution, the prefabricated component is a plurality of prefabricated components, the bonding surface of each prefabricated component is fixed with the first steel mesh belt, the plurality of prefabricated components are arranged in a transverse and side-by-side manner, the top surface of the end portion of the two adjacent prefabricated components is provided with a cut joint, a U-shaped component is embedded in the cut joint of the two adjacent prefabricated components to cover the joint gap between the two adjacent prefabricated components, and the joint gap is filled with polymer mortar.
[0013] As a preferred solution, the prefabricated component is a plurality of prefabricated components, the bonding surface of each prefabricated component is fixed with the first steel mesh belt, the plurality of prefabricated components are arranged in a transverse and side-by-side manner, and the two adjacent prefabricated components are connected through mortise and tenon joints and are connected through polymer mortar.
[0014] As a preferred solution, the prefabricated components are multiple, the bonding surface of each prefabricated component is fixed with the first steel mesh belt, and the multiple prefabricated components are transversely arranged side by side, and a recess is formed between the two adjacent prefabricated components, the recess is high in the middle and low on both sides, and the recess is filled and leveled by sealing the cement prefabricated component or the second steel mesh belt with the polymer mortar.
[0015] As a preferred solution, the outer surface of the prefabricated component is provided with a moisture-proof coating.
[0016] The utility model discloses have obvious advantages and beneficial effects compared with prior art, specifically speaking, from the above technical scheme can know:
[0017] By nailing the first steel mesh belt on the bonding surface of the prefabricated component and the inner and outer sides of the concrete guardrail, and cooperating with the first steel mesh belt and the bonding surface of the prefabricated component to be fixed on the top end surface of the concrete guardrail by the polymer mortar, the prefabricated component is double-connected and fixed on the top end surface of the concrete guardrail, which can effectively improve the integrity, stability and durability of the top compression part of the concrete guardrail, greatly enhance the ability to resist sun, temperature difference and weathering, and reduce the displacement deformation caused by the structure early decay and deterioration, thereby effectively solving the technical problems of difficult control of concrete guardrail compression top area leakage and deterioration.
[0018] To make the structure characteristics and functions of the utility model clearer, the utility model will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the longitudinal sectional view of the first preferred embodiment of the utility model;
[0020] Figure 2 It is the partial enlarged schematic view of Figure 1 ; It is another structural schematic view;
[0021] Figure 3 It is the partial enlarged schematic view of Figure 2 ; It is another structural schematic view;
[0022] Figure 4 It is the longitudinal sectional view of the first preferred embodiment of the utility model;
[0023] Figure 5 It is the three-dimensional schematic view of Figure 4 ; It is another structural schematic view;
[0024] Figure 6 It is the longitudinal sectional view of the first preferred embodiment of the utility model;
[0025] Figure 7 It is the longitudinal sectional view of the first preferred embodiment of the utility model;
[0026] Figure 8 is a transverse partial sectional view of another structure of the first preferred embodiment of the utility model;
[0027] Figure 9 is Figure 8 is a three-dimensional schematic view of the second steel mesh belt;
[0028] Figure 10 is a longitudinal sectional view of the second preferred embodiment of the utility model;
[0029] Figure 11 is a longitudinal sectional view of the third preferred embodiment of the utility model.
[0030] Explanation of the drawing mark:
[0031] 10, concrete guardrail 11, concrete main body
[0032] 12, decorative surface 20, prefabricated component
[0033] 21, anti-permeable and moisture-proof coating 22, cut joint
[0034] 23, mortise and tenon 24, first water drip line
[0035] 25, second water drip line 201, splicing joint
[0036] 202, splicing joint 203, recess
[0037] 30, first steel mesh belt 31, component main body
[0038] 32, rib 301, through hole
[0039] 40, polymer mortar 51, first anchor nail
[0040] 52, second anchor nail 53, U-shaped component
[0041] 54, cement prefabricated part 55, second steel mesh belt
[0042] 56, third anchor nail. DETAILED DESCRIPTION
[0043] Please refer to Figures 1 to 9 Fig. 1 shows the specific structure of the structure for preventing and treating guardrail coping leakage and deterioration of the first preferred embodiment of the utility model, which comprises a concrete guardrail 10, a prefabricated component 20 and a first steel mesh belt 30.
[0044] The concrete guardrail 10 comprises a concrete main body 11 and a decorative surface 12 arranged on both sides of the concrete main body 11.
[0045] The prefabricated component 20 is not limited to cement prefabricated component, foamed ceramic plate, aerated concrete block or sintered brick block, etc. The prefabricated component 20 has low elastic modulus relative to the concrete structure and has certain toughness. The prefabricated component 20 has good compressive strength and can well resist the influence of external forces such as sunlight, temperature difference and rain and snow. As shown in Figure 2 , the top surface of the prefabricated component 20 is outwardly or inwardly inclined broken surface to form a drainage slope for facilitating drainage. Of course, as shown in Figure 3 , the top surface of the prefabricated component 20 can also be a horizontal surface, which is not limited. In addition, the outer surface of the prefabricated component 20 is provided with a waterproof and moisture-proof coating 21 to enhance the waterproof performance of the prefabricated component 20. In addition, the two sides of the prefabricated component 20 are flush with the two side decorative surfaces 12 of the concrete guardrail 10.
[0046] The first steel mesh belt 30 is nailed to the bonding surface of the prefabricated component 20. The first steel mesh belt 30 and the bonding surface of the prefabricated component 20 are fixed on the top end surface of the concrete guardrail 10 by the polymer mortar 40, and the two sides of the first steel mesh belt 30 are respectively nailed to the inner and outer sides of the concrete guardrail 10. In this embodiment, the first steel mesh belt 30 is nailed to the bonding surface of the prefabricated component 20 by a plurality of first anchor nails 51, and the two sides of the first steel mesh belt 30 are respectively nailed to the inner and outer sides of the concrete guardrail 10 by second anchor nails 52. In addition, the first steel mesh belt 30 is a special steel mesh belt with ribs, which is a sheet-shaped metal component with a plurality of rhombic bonding through holes in a three-dimensional mesh shape processed from a metal sheet. The first steel mesh belt 30 includes a sheet-shaped component body 31 provided with a plurality of through holes 301. The component body 31 is a three-dimensional mesh structure that can be bent, which includes a plurality of edge strips that are mutually crossed to form a three-dimensional mesh structure, and each edge strip is in a wave-shaped three-dimensional kink shape. The through holes 301 at the crossing of each edge strip are filled and bonded by adhesive. The through holes 301 are in one of rhombic, circular, square or irregular geometric shapes. The component body 31 is further provided with ribs 32 for anchor nails to pass through for nailing. The ribs 32 are located at the middle or side of the component body 31. The length of the first steel mesh belt 30 is twice or more than the width of the concrete guardrail 10, wherein the length of the first steel mesh belt 30 nailed to the bonding surface of the prefabricated component 20 is consistent with or slightly shorter than 10-20 mm of the width of the concrete guardrail 10.
[0047] As shown in Figure 4 and Figure 5As shown in the figure, the prefabricated components 20 are multiple, the bonding surface of each prefabricated component 20 is fixed with the first steel mesh belt 30, the multiple prefabricated components 20 are transversely and side by side spliced, the top surface of the end part of the two adjacent prefabricated components 20 is provided with a cutting seam 22, the two sides of a U-shaped component 53 are respectively embedded in the cutting seams 22 of the two adjacent prefabricated components 20 to cover the splicing seam 201 between the two adjacent prefabricated components 20, and the splicing seam 201 is filled with the polymer mortar 40. In the embodiment, the U-shaped component 53 is made of stainless steel or aluminum, which is not limited, and the U-shaped component 53 is adhesively fixed with the polymer mortar 40 in the splicing seam 201.
[0048] As shown in the figure, Figure 6 the prefabricated components 20 are multiple, the bonding surface of each prefabricated component 20 is fixed with the first steel mesh belt 30, the multiple prefabricated components 20 are transversely and side by side spliced, the top surface of the end part of the two adjacent prefabricated components 20 is provided with a cutting seam 22, the two sides of a U-shaped component 53 are respectively embedded in the cutting seams 22 of the two adjacent prefabricated components 20 to cover the splicing seam 201 between the two adjacent prefabricated components 20, and the splicing seam 201 is filled with the polymer mortar 40. In the embodiment, the U-shaped component 53 is made of stainless steel or aluminum, which is not limited, and the U-shaped component 53 is adhesively fixed with the polymer mortar 40 in the splicing seam 201.
[0049] As shown in the figure, Figure 7 and Figure 8 the prefabricated components 20 are multiple, the bonding surface of each prefabricated component 20 is fixed with the first steel mesh belt 30, the multiple prefabricated components 20 are transversely and side by side spliced, the top surface of the end part of the two adjacent prefabricated components 20 is provided with a cutting seam 22, the two sides of a U-shaped component 53 are respectively embedded in the cutting seams 22 of the two adjacent prefabricated components 20 to cover the splicing seam 201 between the two adjacent prefabricated components 20, and the splicing seam 201 is filled with the polymer mortar 40. In the embodiment, the U-shaped component 53 is made of stainless steel or aluminum, which is not limited, and the U-shaped component 53 is adhesively fixed with the polymer mortar 40 in the splicing seam 201. Figure 7 As shown in the figure, the top surface of the cement prefabricated component 54 is exposed and flush with the top surface of the prefabricated component 20, as shown in the figure, Figure 8 the second steel mesh belt 55 is embedded in the polymer mortar 40, and the two sides of the second steel mesh belt 55 are respectively fixedly connected with the two adjacent prefabricated components 20 through the third anchor nails 56.
[0050] The utility model discloses still disclose a kind of method for preventing and treating guardrail compression top crack and deterioration, using the structure for preventing and treating guardrail compression top crack and deterioration described above, comprising the following steps:
[0051] (1) prefabricated component 20 and first steel mesh belt 30 are prepared in advance.
[0052] (2) first steel mesh belt 30 is fixed on the bonding surface of prefabricated component 2.
[0053] (3) the bonding surface of first steel mesh belt 30 and prefabricated component 20 is fixed by polymer mortar 40 and pasted on the top end surface of concrete guardrail 10.
[0054] (4) the two sides of the first steel mesh belt 30 are respectively nailed to the inner and outer sides of the concrete guardrail 10.
[0055] Please refer to Figure 10 The specific structure of the second preferred embodiment of the utility model for preventing and treating guardrail top cracking and deterioration is shown in the figure, and the specific structure of the embodiment is basically the same as that of the first preferred embodiment, and the difference is that:
[0056] In the embodiment, one side of the prefabricated component 20 is flush with one side of the concrete guardrail 10, and the other side of the prefabricated component 20 protrudes from the other side of the concrete guardrail 10 by 10-60 mm, and the bottom of the other side of the prefabricated component 20 is provided with a first water drip line 24.
[0057] Please refer to Figure 10 The specific structure of the third preferred embodiment of the utility model for preventing and treating guardrail top cracking and deterioration is shown in the figure, and the specific structure of the embodiment is basically the same as that of the first preferred embodiment, and the difference is that:
[0058] In the embodiment, the two sides of the prefabricated component 20 protrude from the inner and outer sides of the concrete guardrail 10 by 10-100 mm, and the bottom of the two sides of the prefabricated component 20 is provided with a second water drip line 25.
[0059] The design focus of the utility model is that the first steel mesh belt is nailed to the bonding surface of the prefabricated component and the inner and outer sides of the concrete guardrail, and the first steel mesh belt and the bonding surface of the prefabricated component are fixed on the top surface of the concrete guardrail by polymer mortar, so that the prefabricated component is double-connected and fixed on the top surface of the concrete guardrail, which can effectively improve the integrity, stability and durability of the top part of the concrete guardrail, greatly enhance the ability to resist sunlight, temperature difference and weather erosion, and reduce the risk of displacement deformation leading to early decay and deterioration of the structure, thereby effectively solving the technical problem of difficult prevention and control of concrete guardrail top cracking and deterioration.
[0060] The above is only a preferred embodiment of the utility model, and does not limit the technical scope of the utility model, so any slight modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belongs to the scope of the technical solution of the utility model.
Claims
1. A construction for preventing the leakage and deterioration of guardrail caps, characterized in that: The concrete guardrail comprises a concrete guardrail, a prefabricated component and a first steel mesh belt; the first steel mesh belt is fixed on the bonding surface of the prefabricated component, the first steel mesh belt and the bonding surface of the prefabricated component are fixed on the top surface of the concrete guardrail by polymer mortar, and the two sides of the first steel mesh belt are fixed on the inner and outer sides of the concrete guardrail respectively.
2. The construction for preventing the guardrail cap from cracking and deteriorating according to claim 1, characterized in that: The first steel mesh belt is a special steel mesh belt with ribs, which is a sheet-shaped metal component with a plurality of rhombic bonding through holes in a three-dimensional mesh shape, and comprises a sheet-shaped component body provided with a plurality of through holes, the component body is a three-dimensional mesh structure capable of being bent, and comprises a plurality of edge strips crossing each other to form a three-dimensional mesh structure, and each edge strip is in a wave-shaped three-dimensional kink shape; the through holes at the crossing positions of the edge strips are used for filling and bonding adhesive, the through holes are in one of rhombic, circular, square or irregular geometric shapes, and the component body is further provided with ribs for passing through anchor nails for fixing, the ribs are located at the middle or side of the component body.
3. The construction for preventing the guardrail cap from cracking and deteriorating according to claim 1, wherein: The length of the first steel mesh belt is twice or more than twice the width of the concrete guardrail, and the length of the first steel mesh belt fixed on the bonding surface of the prefabricated component is consistent with or slightly shorter than the width of the concrete guardrail by 10-20 mm.
4. The construction for preventing the guardrail cap from cracking and deteriorating according to claim 1, wherein: The prefabricated component is a cement prefabricated component, a foamed ceramic plate, an aerated concrete block or a sintered brick block.
5. The construction for preventing and controlling the leakage and deterioration of guardrail capping according to claim 1, characterized in that: The two sides of the prefabricated component protrude from the inner and outer sides of the concrete guardrail by 10-100 mm; or one side of the prefabricated component is flush with one side of the decorative surface of the concrete guardrail, and the other side of the prefabricated component protrudes from the other side of the decorative surface of the concrete guardrail by 10-60 mm; or the two sides of the prefabricated component are flush with the two sides of the decorative surface of the concrete guardrail respectively.
6. The construction for preventing and controlling the leakage and deterioration of guardrail capping according to claim 1, characterized in that: The prefabricated components are a plurality of, the bonding surface of each prefabricated component is fixed with the first steel mesh belt, the plurality of prefabricated components are arranged transversely and side by side, the top surface of the end portion of each prefabricated component is provided with a cutting seam, a U-shaped component is embedded in the cutting seams of the adjacent two prefabricated components to cover the joint seam between the adjacent two prefabricated components, and the joint seam is filled with polymer mortar.
7. The construction for preventing and controlling the leakage and deterioration of guardrail capping according to claim 1, characterized in that: The prefabricated components are a plurality of, the bonding surface of each prefabricated component is fixed with the first steel mesh belt, the plurality of prefabricated components are arranged transversely and side by side, the joint seam between the adjacent two prefabricated components is formed by tenon and mortise hooking up and down and bonding by polymer mortar.
8. The construction for preventing and controlling the leakage and deterioration of guardrail capping according to claim 1, characterized in that: The prefabricated components are a plurality of, the bonding surface of each prefabricated component is fixed with the first steel mesh belt, the plurality of prefabricated components are arranged transversely and side by side, the joint seam between the adjacent two prefabricated components is formed by tenon and mortise hooking up and down and bonding by polymer mortar.
9. The construction for preventing and controlling the leakage and deterioration of guardrail capping according to claim 1, wherein: The outer surface of the prefabricated component is provided with an anti-permeation and moisture-proof coating.