CN220284592U - UHPC cavity type assembly anti-collision wall applied to bridge structure - Google Patents
UHPC cavity type assembly anti-collision wall applied to bridge structure Download PDFInfo
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- CN220284592U CN220284592U CN202321425562.1U CN202321425562U CN220284592U CN 220284592 U CN220284592 U CN 220284592U CN 202321425562 U CN202321425562 U CN 202321425562U CN 220284592 U CN220284592 U CN 220284592U
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- collision wall
- uhpc
- wall
- collision
- bridge structure
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- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 20
- 238000004873 anchoring Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a UHPC cavity type assembly anti-collision wall applied to a bridge structure, which comprises an anti-collision wall main body and a beam body, wherein the anti-collision wall main body is arranged above the beam body, the anti-collision wall main body comprises an outer wall body, a plurality of horizontal partition boards are arranged in the outer wall body, vertical partition boards are vertically arranged at the positions of the adjacent horizontal partition boards and the front sides between the horizontal partition boards and the outer wall body, and a plurality of anti-pulling anchoring keys are fixed on the left side of the upper end of the beam body. According to the utility model, the construction and production cycle is effectively reduced, the construction pollution is reduced, the production efficiency and the quality level are improved, the UHPC material is adopted, the structure size can be effectively reduced, the self weight of the structure is lightened, the high strength, the light weight and the assembly of the structure are realized, and the purposes of improving the construction efficiency, improving the construction quality, saving the investment and reducing the interference to a straddled structure are achieved.
Description
Technical Field
The utility model relates to the technical field of anti-collision walls, in particular to a UHPC cavity type assembled anti-collision wall applied to a bridge structure.
Background
With the increasing traffic capacity of China, traffic line networks are becoming denser. By the end of 2022, the national railway business mileage reaches 15.5 ten thousand kilometers, the total road mileage reaches 535 ten thousand kilometers, and the total number of national roads and railway bridges exceeds 100 ten thousand.
The anti-collision wall is used as an important component of a bridge, and most of the anti-collision wall is of a cast-in-situ Reinforced Concrete (RC) structure, and the construction involves the working procedures of erecting a template, binding steel bars, pouring concrete, maintaining, removing a formwork and the like, and has long construction period, large pollution and low production efficiency. For bridges crossing structures such as railways, roads, rivers and the like, the risk that concrete slurry, aggregate, templates and the like fall exists, and if the bridges hit a railway contact net, a train or an automobile, traffic accidents can be caused, so that a large safety risk exists.
The more common protection schemes during construction of the overpass mainly comprise two types: a scheme is that a protective shed frame is arranged above an iron road, and a protective electricity-proof plate is arranged on the top of the shed frame. The method solves the problem of falling objects by adopting a physical isolation mode under the conditions that the electrified railway and the upper part of the road are not shielded and the two sides are provided with the shed frame foundation. The protective shed frame has certain limitation because of higher space requirement. Another proposal is to operate in a railway blocking point or a road traffic control period, and has great influence on transportation and traffic. The railway or road operation has to apply for the blocking point and traffic control to the railway or road department, the railway skylight point is limited, and under the general condition, only 2-4 skylight points are provided per week, and the single-point time is generally not more than 2 hours. This often results in construction periods that are several times or even tens of times longer than conventional construction periods, delaying engineering progress.
In recent years, china actively explores and develops an assembled building, and an assembled anti-collision wall concept is generated. The assembled anti-collision wall is prefabricated in a factory or on site and assembled on site, compared with the cast-in-situ anti-collision wall with single form, the assembled anti-collision wall effectively reduces the construction period, reduces the construction pollution, improves the construction efficiency and the engineering quality safety level, and has heavy structure and difficult light weight requirement. UHPC is a novel cement-based composite material with high compressive strength, high bending bearing capacity, good toughness and durability and other excellent performances, and simultaneously has excellent wear resistance and antiknock performance, and is particularly suitable for bridges, antiknock structures and thin-wall structures. The defects of easy cracking and heavy structure of the RC structure can be overcome by the strong cracking resistance and toughening performance and high tensile deformation capacity. The UHPC material can effectively reduce the structural size, lighten the dead weight of the structure, and realize high strength, light weight and assembly of the structure so as to achieve the purposes of improving the construction efficiency, improving the construction quality, saving the investment and reducing the interference to a straddled structure.
UHPC cavity type assembly anti-collision wall applied to bridge structure is to be researched urgently.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a UHPC cavity type assembly anti-collision wall applied to a bridge structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a UHPC cavity type assembly anticollision wall for bridge construction, includes crashproof wall main part and roof beam body, crashproof wall main part sets up the top at the roof beam body, crashproof wall main part includes outer wall body, the inside of outer wall body is provided with a plurality of horizontal baffles, and is adjacent horizontal baffle and the position of front side between the outer wall body are all vertical be provided with vertical baffle, the upper end left side of roof beam body is fixed with a plurality of anti-floating anchor, the upper end right side of roof beam body is fixed with a plurality of roof beam pre-buried angle steel, the bottom surface of the outer wall body and the upper end of roof beam body correspond the position and all are provided with dentate concave convex block, the equal fixedly connected with socket joint of front side of horizontal baffle.
Further, a reserved notch is formed in the position, located at the upper end of the anti-pulling anchoring key, of the outer wall body.
Furthermore, the upper surfaces of the socket connectors are provided with structural adhesive.
Furthermore, the anti-pulling anchoring key can be screw steel, a rivet, a pin shaft, a bolt, an anchor bar and a steel anchor plate.
Furthermore, the anti-collision wall main body is of a segment prefabricated cavity structure.
Further, a plurality of drain pipes are fixedly connected to the inside of the anti-collision wall main body.
The utility model has the beneficial effects that:
when the UHPC cavity type assembly anti-collision wall is used, the UHPC cavity type assembly anti-collision wall is assembled on site by adopting factory or site prefabrication, so that the construction production period is effectively reduced, the construction pollution is reduced, the production efficiency and the quality level are improved, the structure size can be effectively reduced by adopting UHPC materials, the dead weight of the structure is lightened, the high strength, the light weight and the assembly of the structure are realized, and the purposes of improving the construction efficiency, improving the construction quality, saving the investment and reducing the interference to a spanned structure are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the specific embodiments will be briefly described below, it being obvious that the drawings in the following description are only some examples of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1: a front view of the present utility model;
fig. 2: left side cross-sectional view of the present utility model;
fig. 3: the enlarged schematic view of fig. 2 a of the present utility model.
The reference numerals are as follows:
1. an outer wall; 2. a horizontal partition; 3. a vertical partition; 4. an anti-pulling anchor key; 5. pre-burying angle steel on the roof of the beam; 6. toothed concave convex blocks; 7. a socket joint; 8. reserving a notch; 9. structural adhesive; 10. a beam body; 11. and (5) a water drain pipe.
Detailed Description
Example 1:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3, relate to a UHPC cavity type assembly anti-collision wall applied to bridge structure, including anti-collision wall main part and roof beam body 10, anti-collision wall main part sets up in the top of roof beam body 10, anti-collision wall main part includes outer wall body 1, the inside of outer wall body 1 is provided with a plurality of horizontal baffles 2, the position of front side between adjacent horizontal baffles 2 and the outer wall body 1 is all vertical to be provided with vertical baffle 3, the upper end left side of roof beam body 10 is fixed with a plurality of anti-collision anchor keys 4, the upper end right side of roof beam body 10 is fixed with a plurality of roof beam top pre-buried angle steel 5, the face of anti-collision wall main part bottom and roof beam body 10 interface are met the side and are connected through anti-collision anchor keys 4, the face outside is connected through roof beam top pre-buried angle steel to the location of anti-collision wall main part, the bottom surface of outer wall body 1 and the upper end of roof beam body 10 correspond the position all be provided with tooth form unsprung 6, anti-collision wall main part bottom surface and roof beam body 10 joint surface are through tooth form unsprung 6 interlock each other, and through the mutual interlock of structural adhesive 9, have guaranteed its anti-collision performance, tooth form unsprung 6 is for the die bond 6, when the face is die bond joint 7 or the die bond joint 7 is connected through the face of the die bond joint, the die bond joint 7, the front end joint is equipped with other, and is equipped with the prefabricated joint 7, and is equipped with the joint 7 through the adhesive joint, and has the plug-stop-joint 7, and is connected through the face and has the adhesive joint 7.
As shown in fig. 1-3, a reserved notch 8 is arranged at the upper end of the anti-pulling anchoring key 4 on the outer wall body 1, the arranged notch is convenient for the upper end of the anti-pulling anchoring key 4 to pass through, after the anti-collision wall body is fastened by using a screw cap, the anti-collision wall body can be fixedly connected with the beam body 10 through the anti-pulling anchoring key 4, and the reserved notch 8 is closed by adopting grouting materials after fastening.
As shown in fig. 1-3, the anti-pulling anchoring key 4 may be a threaded steel, a rivet, a pin shaft, a bolt (a common bolt, a high-strength bolt, an anchor bolt), a high-strength bolt, an anchor bar, a steel anchor plate, and the anti-pulling anchoring key 4 may be a U-shaped, L-shaped or I-shaped anchoring, and the anti-pulling anchoring key 4 is embedded when the beam body 10 is poured or embedded through an embedded sleeve when the beam body is installed at a later stage.
As shown in fig. 1-3, the anti-collision wall body is of a prefabricated cavity structure, pipelines can be penetrated in the cavity of the anti-collision wall body, the anti-collision wall body is integrally cast and formed, the conventional section length L of the anti-collision wall body is=0.5 n meters, n=1, 2,3 and 4, other nonstandard sections can be adopted according to practical conditions, the protection grade of the anti-collision wall body can be C grade, B grade, A grade, SB grade, SA grade, SS grade, HB grade and HA grade, the anti-collision wall body is not limited to bridges, and the anti-collision wall body is also suitable for retaining walls and roads.
As shown in fig. 1 to 3, a plurality of drain pipes 11 are fixedly connected to the inside of the anti-collision wall body.
Example 2:
the construction method of the UHPC cavity type assembly anti-collision wall comprises the following steps:
s1: prefabricating and erecting a beam body 10, reserving tooth-shaped concave-convex blocks 6 when the beam body 10 is poured, pre-burying an anti-pulling anchor key 4 and reserving holes or sleeves;
s2: prefabricating an anti-collision wall main body, reserving tooth-shaped concave-convex blocks 6 when pouring the anti-collision wall main body, and embedding a steel sleeve, a drain pipe 11, an embedded part or a reserved hole;
s3: installing an anti-collision wall main body, hoisting the pre-fabricated anti-collision wall main body in the S2 in place by adopting hoisting equipment, matching the pre-fabricated toothed concave-convex blocks 6 of the anti-collision wall with the pre-fabricated toothed concave-convex blocks 6 at the upper end of the beam body 10, connecting the collision-facing side of the joint surface of the bottom surface of the anti-collision wall main body and the beam body 10 by using an anti-pulling anchor key 4, positioning and connecting the anti-collision wall main body outside by using a beam top pre-buried angle steel 5, longitudinally splicing the sections by using a socket joint connector 7, cementing or reserving a cast-in-place section by using a structural adhesive 9, installing a nut of the anti-pulling anchor key 4, and sealing by using a grouting material after fastening.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. UHPC cavity type assembly anti-collision wall applied to bridge structure comprises an anti-collision wall main body and a beam body (10), and is characterized in that: the anti-collision wall is characterized in that the anti-collision wall body is arranged above the beam body (10), the anti-collision wall body comprises an outer wall body (1), a plurality of horizontal partition boards (2) are arranged in the outer wall body (1), the positions of the front sides between the horizontal partition boards (2) and the outer wall body (1) are all vertical to be provided with vertical partition boards (3), a plurality of anti-pulling anchor keys (4) are fixed on the left side of the upper end of the beam body (10), a plurality of beam top embedded angle steels (5) are fixed on the right side of the upper end of the beam body (10), toothed concave convex blocks (6) are arranged on the corresponding positions of the bottom surface of the outer wall body (1) and the upper end of the beam body (10), and socket joints (7) are fixedly connected to the front sides of the horizontal partition boards (2).
2. The UHPC cavity assembly anti-collision wall for a bridge structure according to claim 1, wherein: the anti-pulling anchor key is characterized in that a reserved notch (8) is formed in the position, located at the upper end of the anti-pulling anchor key (4), of the outer wall body (1).
3. The UHPC cavity assembly anti-collision wall for a bridge structure according to claim 1, wherein: structural adhesive (9) is arranged on the upper surface of the socket joint (7).
4. The UHPC cavity assembly anti-collision wall for a bridge structure according to claim 1, wherein: the anti-pulling anchor key (4) can be screw steel, a rivet, a pin shaft, a bolt, an anchor rib and a steel anchor plate.
5. The UHPC cavity assembly anti-collision wall for a bridge structure according to claim 1, wherein: the anti-collision wall main body is of a segment prefabricated cavity structure.
6. The UHPC cavity assembly anti-collision wall for a bridge structure according to claim 1, wherein: the inside fixedly connected with of anticollision wall main part is a plurality of drain pipes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425562.1U CN220284592U (en) | 2023-06-06 | 2023-06-06 | UHPC cavity type assembly anti-collision wall applied to bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425562.1U CN220284592U (en) | 2023-06-06 | 2023-06-06 | UHPC cavity type assembly anti-collision wall applied to bridge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220284592U true CN220284592U (en) | 2024-01-02 |
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ID=89332889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321425562.1U Active CN220284592U (en) | 2023-06-06 | 2023-06-06 | UHPC cavity type assembly anti-collision wall applied to bridge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220284592U (en) |
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2023
- 2023-06-06 CN CN202321425562.1U patent/CN220284592U/en active Active
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