CN210315283U - Marking structure for tunnel portal - Google Patents
Marking structure for tunnel portal Download PDFInfo
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- CN210315283U CN210315283U CN201920147094.3U CN201920147094U CN210315283U CN 210315283 U CN210315283 U CN 210315283U CN 201920147094 U CN201920147094 U CN 201920147094U CN 210315283 U CN210315283 U CN 210315283U
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Abstract
The utility model discloses a marking structure for tunnel portal, including milling tunnel portal road surface after the plane, be equipped with the marking structural layer on the tunnel portal road surface, the marking structural layer is by the tie coat with locate the aggregate layer on the tie coat is constituteed. The marking structure takes the colored epoxy resin bonding layer as a paving layer and takes the colored aggregate layer or the reflective aggregate layer as an anti-slip surface layer, has the advantages of warning, reflection, skid resistance, durability and the like, is convenient and fast to construct, has short open traffic time, and can effectively solve the problems of warning, guidance, durability, safety and the like of the tunnel entrance marking under heavy traffic conditions.
Description
Technical Field
The utility model belongs to the technical field of the transportation engineering, concretely relates to marking structure for tunnel portal.
Background
The tunnel portal road section is often an accident-prone road section, firstly, the light change at the tunnel entrance and exit is obvious, the visibility and the identification degree of the road surface are poor, and the visual error of a driver is easy to cause traffic accidents; secondly, the traditional road surface such as a cement concrete road surface or an asphalt road surface has single color, and fatigue is easily induced after long-time watching, thereby causing traffic accidents.
The key point of the traffic marking of the road section at the tunnel portal is to ensure the driving safety of the tunnel portal. According to the latest JTG/T D81-2017 highway traffic safety facility design rule, a vertical surface mark is arranged at the entrance of the tunnel; the tunnel entrance 50m can be provided with colorful anti-skid marked lines according to requirements. At present, the pavement paving form of the tunnel portal is mostly a cement concrete or cement concrete + asphalt pavement composite form. The cement concrete pavement has good durability, but has poor skid resistance, smoothness and sound absorption, and the tunnel cement pavement is easy to wear under the action of a large amount of traffic loads, so that the skid resistance of the pavement is reduced, and the safety requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a marking structure for tunnel portal, this marking structure safety warning nature is good, durable cling compound, and it is convenient to be under construction.
The above object of the present invention is achieved by the following technical solutions: the utility model provides a marking structure for tunnel portal, is including milling the tunnel portal road surface after the plane, be equipped with the marking structural layer on the tunnel portal road surface, the marking structural layer by the tie coat with locate the aggregate layer on the tie coat is constituteed.
Preferably, the aggregate layer is a reflective aggregate layer or a color aggregate layer.
Preferably, the using amount of the aggregate layer is (10-15) kg/m2。
Preferably, the reflective aggregate layer is formed by mixing one or two of commercially available conventional glass beads and silicon carbide with carborundum, and the mass ratio of the two is (20-70): (80-30).
Preferably, the color aggregate layer is composed of conventional color ceramic aggregate, sintered color sand, washed stone or sticky stone which are commercially available.
Preferably, the color of the color aggregate layer may be red, yellow, green, blue, black, or the like.
Preferably, the Mohs hardness of the material used for the reflective aggregate layer or the color aggregate layer is more than 7, and the dust content is less than 1 wt%.
Preferably, the reflective aggregate layer or the color aggregate layer is made of the following particles with different particle sizes in percentage by mass: 10-45% of particle size 1.18-2.36 mm, 20-55% of particle size 2.36-3.36 mm and 15-45% of particle size 3.36-4.75 mm.
The reflective aggregate layer or the color aggregate layer has the characteristics of high hardness, wear resistance, skid resistance and the like.
Preferably, the bonding layer is a colored epoxy bonding layer.
Preferably, the colored epoxy resin bonding layer is composed of a modified epoxy resin binder and an inorganic pigment.
Preferably, the modified epoxy adhesive is a conventional commercial dual-component room temperature fast curing epoxy adhesive, and the thickness of the modified epoxy adhesive is 1 to E2mm, the glue consumption is 1.5-1.8 kg/m2。
Preferably, the inorganic pigment may be a commercially available conventional iron oxide red, molybdate red, lemon yellow, iron green, carbon black or sky blue pigment.
Preferably, the thickness of the marking structure layer is 4-6 mm.
Preferably, the thickness (or depth) of the milled tunnel portal road surface is 3-5 mm. After milling and planing the tunnel portal road surface, the damaged loose part of the old road surface can be removed, and the surface dust is blown off by high-pressure airflow so as to ensure that the new and old surfaces are well combined.
The utility model provides a marking structure regards as the layer of mating formation with colored epoxy tie coat to colored aggregate layer or reflection of light type aggregate layer have advantages such as warning, reflection of light, cling compound and durability as the cling compound surface layer, and the construction is convenient, and open transit time is short, can effectively solve tunnel portal marking warning nature, guide nature, durability and security scheduling problem under the heavy traffic condition.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the safety warning performance is good: the colorful and reflective antiskid pavement has the antiskid effect and also has the advantages of beautifying the environment, guiding traffic, relieving fatigue and the like; the colorful and reflective antiskid pavement can improve the visual environment of a driver through colors, patterns and visual recognizability, and plays roles of reminding and warning; the special color is paved on each lane on the road surface, so that the identifiability of the road surface can be improved, various warnings and inducements are carried out on traffic, and the traffic safety is further improved.
(2) High skid resistance: the color epoxy resin antiskid thin layer can effectively resist skidding, is wear-resistant and drains water, can shorten the braking distance by 40 percent, reduces road noise and water mist generated in driving in rainy days, improves the driving safety and comfort, is particularly suitable for pavement of tunnel portals with damp and easily accumulated water, and improves the driving safety coefficient.
(3) The durability is good: room temperature curing bi-component epoxy resin is used as a bonding layer, is well bonded with a concrete base surface and can prevent water penetration; the epoxy resin material has good aging resistance, moisture resistance and corrosion resistance, and the service durability is further improved.
(4) The construction is convenient: the construction speed is high, the road sealing time is short, the room-temperature curing time of the epoxy resin material is only 5-8 hours, and the elevation of the tunnel is not changed; the epoxy resin bonding layer is used as a paving material, the color/reflective aggregate is used as an anti-slip layer, the paving thickness is only 4-6 mm, the thickness is thin, the weight is light, the passing clear height of the tunnel is not influenced, and the design is more flexible.
Drawings
The invention will be described in further detail with reference to the following drawings and specific embodiments:
fig. 1 is a structure diagram of a tunnel portal reticle in example 1-2, in which 1 is a tunnel portal pavement, 2 is a reticle structure layer, 3 is an adhesive layer, and 4 is a aggregate layer.
Detailed Description
Example 1
As shown in fig. 1, the marking structure for a tunnel portal provided by this embodiment includes a milled tunnel portal pavement 1, where a marking structure layer 2 is disposed on the tunnel portal pavement 1, and the marking structure layer 2 is composed of an adhesive layer 3 and a aggregate layer 4 disposed on the adhesive layer 3.
The aggregate layer may be a reflective aggregate layer or a color aggregate layer, in this embodiment, a color aggregate layer.
The amount of the aggregate layer can be 10-15 kg/m2In this embodiment, it is about 12kg/m2。
The color aggregate layer is conventional red ceramic aggregate which is commercially available.
The red ceramic aggregate has the Mohs hardness of 8 and the dust content of 0.5 wt%, and consists of the following particles with different particle sizes in percentage by mass: 20 percent of grain diameter of 1.18 mm-2.36 mm, 45 percent of grain diameter of 2.36 mm-3.36 mm and 35 percent of grain diameter of 3.36 mm-4.75 mm.
The color aggregate layer has the characteristics of high hardness, wear resistance, skid resistance and the like.
The adhesive layer is a colored epoxy adhesive layer (red).
The colored epoxy resin bonding layer consists of a modified epoxy resin binder and an inorganic pigment (iron oxide red).
The modified epoxy adhesive is a conventional commercial dual-component room temperature fast curing epoxy adhesive, the thickness of the modified epoxy adhesive is about 1mm, and the adhesive consumption is about 1.8kg/m2。
The inorganic pigment in this example is a conventional iron oxide red pigment commercially available.
The thickness of the reticle structure layer in this embodiment is 6 mm.
The thickness (depth) of the milled tunnel portal road surface in the embodiment is about 4mm, and after the milled tunnel portal road surface is milled, the damaged and loose part of the old road surface can be removed, and the surface dust can be blown off by high-pressure airflow to ensure that the new and old surfaces are well combined.
Example 2
As shown in fig. 1, the marking structure for a tunnel portal provided by this embodiment includes a milled tunnel portal pavement 1, where a marking structure layer 2 is disposed on the tunnel portal pavement 1, and the marking structure layer 2 is composed of an adhesive layer 3 and a aggregate layer 4 disposed on the adhesive layer 3.
The aggregate layer 4 may be a reflective aggregate layer or a color aggregate layer, which is a reflective aggregate layer in this embodiment.
The dosage of the aggregate layer 4 can be (10-15) kg/m2In this embodiment, it is about 15kg/m2。
The reflective aggregate layer is formed by mixing commercially available conventional silicon carbide and carborundum, and the mass ratio of the two is 50: 50.
the Mohs hardness of the silicon carbide and the carborundum is 8, the dust content is 0.7 wt%, and the silicon carbide and carborundum consists of the following particles with different particle sizes in percentage by mass: 15 percent of grain diameter of 1.18 mm-2.36 mm, 50 percent of grain diameter of 2.36 mm-3.36 mm and 35 percent of grain diameter of 3.36 mm-4.75 mm.
The reflective aggregate layer has the characteristics of high hardness, wear resistance, skid resistance and the like.
The adhesive layer 3 is a colored epoxy adhesive layer (black).
The color epoxy resin bonding layer consists of a modified epoxy resin binder and an inorganic pigment (carbon black).
The modified epoxy adhesive is a conventional commercial dual-component room temperature fast curing epoxy adhesive, the thickness of the modified epoxy adhesive is about 1.5mm, and the adhesive consumption is 1.7kg/m2。
The inorganic pigment may be a conventional carbon black pigment commercially available.
The thickness of the reticle structure layer is 5 mm.
The thickness (depth) of the milled tunnel portal road surface is about 5 mm. After milling and planing the tunnel portal road surface, the damaged loose part of the old road surface can be removed, and the surface dust is blown off by high-pressure airflow so as to ensure that the new and old surfaces are well combined.
The present invention is not limited to the above-mentioned embodiments, and according to the above-mentioned contents, according to the common technical knowledge and conventional means in the field, without departing from the basic technical idea of the present invention, the present invention can also make other equivalent modifications, replacements or changes in various forms, all falling within the protection scope of the present invention.
Claims (2)
1. A marking structure for tunnel portal is characterized in that: including tunnel portal road surface (1) after milling and planing, be equipped with marking structural layer (2) on tunnel portal road surface (1), marking structural layer (2) by tie coat (3) with locate the aggregate bed (4) on tie coat (3) are constituteed, tie coat (3) are colored epoxy tie coat, aggregate bed (4) are the colored layer that gathers materials, the thickness of marking structural layer (2) is 4~6 mm.
2. The reticle structure for tunnel portal according to claim 1, wherein: the Mohs hardness of the used material of the color aggregate layer is more than 7, and the dust content is less than 1 wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147094.3U CN210315283U (en) | 2019-01-25 | 2019-01-25 | Marking structure for tunnel portal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147094.3U CN210315283U (en) | 2019-01-25 | 2019-01-25 | Marking structure for tunnel portal |
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| CN210315283U true CN210315283U (en) | 2020-04-14 |
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| CN201920147094.3U Active CN210315283U (en) | 2019-01-25 | 2019-01-25 | Marking structure for tunnel portal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115897448A (en) * | 2022-10-21 | 2023-04-04 | 南京兴佑交通科技有限公司 | Composite hot-melt marking and construction method thereof |
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2019
- 2019-01-25 CN CN201920147094.3U patent/CN210315283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115897448A (en) * | 2022-10-21 | 2023-04-04 | 南京兴佑交通科技有限公司 | Composite hot-melt marking and construction method thereof |
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Effective date of registration: 20200604 Address after: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Patentee after: GUANGDONG JIANKE TRAFFIC ENGINEERING QUALITY INSPECTION CENTER Co.,Ltd. Address before: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Co-patentee before: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH GROUP Co.,Ltd. Patentee before: GUANGDONG JIANKE TRAFFIC ENGINEERING QUALITY INSPECTION CENTER Co.,Ltd. |