CN215289684U - Semi-prefabricated anti-collision guardrail and guardrail system applying same - Google Patents
Semi-prefabricated anti-collision guardrail and guardrail system applying same Download PDFInfo
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- CN215289684U CN215289684U CN202120711346.8U CN202120711346U CN215289684U CN 215289684 U CN215289684 U CN 215289684U CN 202120711346 U CN202120711346 U CN 202120711346U CN 215289684 U CN215289684 U CN 215289684U
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Abstract
The utility model discloses a semi-prefabricated anti-collision guardrail, which comprises a steel reinforcement framework, a first prefabricated plate, a second prefabricated plate and a first connecting piece, wherein the steel reinforcement framework extends downwards and is fixed on a bridge floor or a road surface, and the first prefabricated plate and the second prefabricated plate are arranged on the inner side and the outer side of the steel reinforcement framework in parallel; the first connecting piece sequentially penetrates through the first prefabricated plate, the steel reinforcement framework and the second prefabricated plate and is horizontally and vertically connected with the first prefabricated plate and the second prefabricated plate, and a locking piece for locking the first prefabricated plate and the second prefabricated plate in opposite directions is arranged at one end or two ends of the first connecting piece; cast-in-place concrete is poured between the first precast slab and the second precast slab. And a semi-prefabricated crash barrier system. The utility model discloses regard first prefabricated plate and second prefabricated plate as permanent template, through wearing to establish first connecting piece with two prefabricated plates and framework of steel reinforcement zonulae occludens, the construction is accomplished to rethread cast in situ concrete, has improved concrete guardrail's atress performance and efficiency of construction effectively.
Description
Technical Field
The utility model relates to a road bridge guardrail technical field especially relates to a semi-prefabricated anticollision barrier and use its guardrail system.
Background
In road and bridge structures, guardrails have irreplaceable effects in the aspects of beautification and safety. The concrete guardrail is used as a representative of rigid guardrails in road and bridge guardrails, has the advantages of high protection grade, low construction cost, convenience in later maintenance and the like, and is widely applied to roads and bridge structures.
The existing concrete guardrail is formed by outwards extending and constructing a steel reinforcement framework through steel reinforcements inside a bridge or a road, and then erecting a template around the steel reinforcement framework to pour concrete, so that the whole construction procedure is multiple, the construction period is long, and the poured guardrail can have the appearance quality problem.
Therefore, the prior art provides a method for splicing the prefabricated guardrails, but the weight of the prefabricated concrete blocks containing the steel reinforcement frameworks is large, the hoisting is inconvenient, the prefabricated concrete blocks are prefabricated, the connection between the prefabricated concrete blocks and the bridge or the road and the connection between the prefabricated concrete blocks can only be realized by reserving angle steels and connecting the angle steels and the bolts, the rigidity and the durability of the connecting parts are poor, and the safety factor of the guardrail is further influenced.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a semi-prefabricated crash barrier that simple to operate, structural strength are high to above-mentioned problem, can effectively improve concrete guardrail's atress performance and efficiency of construction.
The utility model discloses a following technical scheme realizes:
a semi-prefabricated anti-collision guardrail comprises a steel reinforcement framework, a first prefabricated plate, a second prefabricated plate and a first connecting piece, wherein the steel reinforcement framework extends downwards and is fixed on a bridge floor or a road surface; the first connecting piece sequentially penetrates through the first prefabricated plate, the steel reinforcement framework and the second prefabricated plate and is horizontally and vertically connected with the first prefabricated plate and the second prefabricated plate, and a locking piece for locking the first prefabricated plate and the second prefabricated plate in opposite directions is arranged at one end or two ends of the first connecting piece; cast-in-place concrete is poured between the first precast slab and the second precast slab.
In one embodiment, the first connecting member is disposed at lower portions of the first prefabricated panel, the reinforcement cage and the second prefabricated panel.
In one embodiment, the prefabricated slab further comprises a second connecting piece, wherein a first ear hanging piece and a second ear hanging piece are respectively and fixedly arranged on the opposite inner sides of the first prefabricated slab and the second prefabricated slab above the steel reinforcement framework, the second connecting piece is vertically arranged between the first prefabricated slab and the second prefabricated slab, and two ends of the second connecting piece are respectively connected with the first ear hanging piece and the second ear hanging piece on two sides.
In one embodiment, the first ear piece and the second ear piece are configured in the same structure; the two ends of the second connecting piece are provided with bent hook parts, and the second connecting piece is connected with the first ear hanging pieces and the second ear hanging pieces on the two sides in a hanging mode through the bent hook parts.
In one embodiment, the middle part of the first ear hanging piece and the middle part of the second ear hanging piece are respectively provided with a through hole which is vertically arranged, and the hook part of the second connecting piece is hooked in the through holes at the two sides in a penetrating way.
In one embodiment, the end parts of the first ear piece and the second ear piece are respectively bent upwards to form hook grooves, and the hook parts of the second connecting piece are arranged and hooked in the hook grooves at two sides.
A semi-prefabricated anti-collision guardrail system comprises a plurality of any one of the semi-prefabricated anti-collision guardrails, wherein the plurality of semi-prefabricated anti-collision guardrails are mutually adjacent and extend along the length direction of a bridge deck or a road surface; the steel reinforcement frameworks of the semi-prefabricated anti-collision guardrails are integrally connected, and anti-leakage mortar is filled between every two adjacent first prefabricated plates and between every two adjacent second prefabricated plates.
Compared with the prior art, the technical scheme of the utility model following advantage and beneficial effect have at least:
the utility model adopts the first precast slab and the second precast slab as permanent templates, then the precast slabs and the steel reinforcement framework are tightly connected by penetrating the first connecting piece, and the guardrail construction is completed by pouring concrete; compared with precast concrete blocks, the precast slabs are light in weight and convenient to hoist, and are stably connected with cast-in-place concrete in cooperation with the steel reinforcement framework, so that the stress performance and the construction efficiency of the concrete guardrail are effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a semi-prefabricated crash barrier according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic structural view of another ear piece according to an embodiment of the present invention;
fig. 4 is the embodiment of the utility model provides a semi-prefabricated crash barrier system's structure schematic diagram.
Icon: the prefabricated anti-collision guardrail comprises a steel reinforcement framework, 2 first prefabricated plates, 21 placing grooves, 3 second prefabricated plates, 4 first connecting pieces, 5 locking pieces, 6 cast-in-place concrete, 7 second connecting pieces, 71 bent hook parts, 8 first lug parts, 81 through holes, 82 end parts, 83 hook hanging grooves, 9 second lug parts and 100 semi-prefabricated anti-collision guardrails.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to describe a semi-prefabricated crash barrier more clearly and completely. The drawings show preferred embodiments of semi-prefabricated crash barriers, however, semi-prefabricated crash barriers can be implemented in many different forms and are not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The terms "central," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, when used in reference to a particular orientation or positional relationship, are used for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
In the description of the present invention, it should be further noted that the terms "disposed," "mounted," "connected," and "connected" used herein should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, an embodiment of the present invention provides a semi-prefabricated crash barrier, which includes a steel reinforcement framework 1, a first prefabricated slab 2, a second prefabricated slab 3 and a first connecting member 4, wherein the steel reinforcement framework 1 extends downward and is fixed on a bridge floor or a road surface, and can also be regarded as a steel reinforcement binding formation that the steel reinforcement framework 1 extends upward from a bridge superstructure or a road surface structure; the first precast slab 2 and the second precast slab 3 are arranged on the inner side and the outer side (two sides in the width direction of a bridge or a road) of the steel reinforcement framework 1 in a relatively parallel manner; the first prefabricated plate 2 and the second prefabricated plate 3 are correspondingly and horizontally provided with hole channels perpendicular to the plate surfaces of the prefabricated plates, the first connecting piece 4 sequentially penetrates through the first prefabricated plate 2, the reinforcement cage 1 and the second prefabricated plate 3, the first connecting piece 4 is a rod piece (such as a screw), two ends of the first connecting piece 4 penetrate through the hole channels and extend out of the first prefabricated plate 2 and the second prefabricated plate 3, locking pieces 5 (such as nuts) can be respectively arranged at two ends of the first connecting piece 4, one end of the first connecting piece 4 can be provided with a limiting end (such as the head of the screw), the other end of the first connecting piece 4 is provided with the locking piece 5, the first prefabricated plate 2 and the second prefabricated plate 3 are relatively closed and locked by oppositely operating the locking pieces 5, and the prefabricated plates are stably clamped at two sides of the reinforcement cage 1; and then, the first prefabricated plate 2 and the second prefabricated plate 3 are used as permanent templates, concrete 6 is cast in situ between the first prefabricated plate 2 and the second prefabricated plate 3, the integral construction of the guardrail is completed, the construction is convenient, and the operation is rapid.
Furthermore, as shown in fig. 1, the first connecting member 4 is disposed at the lower portions of the first prefabricated plate 2, the reinforcement cage 1 and the second prefabricated plate 3, that is, a hole through which the first connecting member 4 is inserted is formed in the lower portions of the first prefabricated plate 2 and the second prefabricated plate 3, so that the locking connecting portion of the first connecting member is close to the lower side of the whole anti-collision guardrail, and the anti-overturning capability of the anti-collision guardrail is improved. In addition, a placing groove 21 is formed in the opposite outer sides of the first prefabricated plate 2 and the second prefabricated plate 3 correspondingly to the concave part of the pore passage, so that the locking piece 5 can be placed, the first connecting piece 4 and the locking piece 5 are prevented from protruding outwards, and the anti-collision guardrail is smooth and attractive in appearance.
Furthermore, as shown in fig. 1, the semi-prefabricated crash barrier further includes a second connecting member 7, in the upper portion of the reinforcement cage 1, a first ear-hanging member 8 and a second ear-hanging member 9 are respectively and correspondingly fixed on the opposite inner sides of the first prefabricated plate 2 and the second prefabricated plate 3, the second connecting member 7 is vertically arranged between the first prefabricated plate 2 and the second prefabricated plate 3, two ends of the second connecting member 7 are respectively connected with the first ear-hanging member 8 and the second ear-hanging member 9 on two sides, that is, the first prefabricated plate 2 and the second prefabricated plate 3 are further connected and fixed by the second connecting member 7 above the reinforcement cage 1, the finishing degree and the overall strength of the crash barrier are improved, and the upper side of the prefabricated plate is pressed and further deformed due to expansion when concrete is subsequently poured.
Further, the first ear hanging piece 8 and the second ear hanging piece 9 adopt the same structure configuration; the two ends of the second connecting piece 7 are provided with the bent hook parts 71, the second connecting piece 7 is connected with the first ear-hanging pieces 8 and the second ear-hanging pieces 9 on the two sides through the bent hook parts 71 in a hooking mode, installation is simple and fast, and assembly efficiency can be effectively improved.
Specifically, as shown in fig. 2, the connection is performed in a form of a through hook in the present embodiment: through holes 81 are respectively vertically formed in the middle of the first ear hanging piece 8 and the middle of the second ear hanging piece 9, and the hook portion 71 of the second connecting piece 7 is hooked in the through holes 81 on the two sides in a penetrating manner so as to hook and connect the first ear hanging piece 8 and the second ear hanging piece 9, and further connect and fix the first prefabricated plate 2 and the second prefabricated plate 3.
As shown in fig. 3, the connection can also be made in the form of a snap hook: the end portions 82 of the first and second ear pieces 8 and 9 are bent upward to form hook grooves 83 between the ear pieces and the prefabricated panels, and the hook portions 71 of the second connecting member 7 are hooked in the hook grooves 83 at both sides to hook the first and second ear pieces 8 and 9, thereby further coupling and fixing the first and second prefabricated panels 2 and 3.
Based on the structural composition of the semi-prefabricated anti-collision guardrail, the embodiment of the utility model also provides a semi-prefabricated anti-collision guardrail system, which comprises a plurality of semi-prefabricated anti-collision guardrails 100 in any one of the above embodiments, wherein the semi-prefabricated anti-collision guardrails 100 are mutually adjacent and extend along the length direction of a bridge floor or a road surface; a plurality of semi-prefabricated crash barrier 100's 1 body coupling of framework of steel reinforcement forms, adjacent semi-prefabricated crash barrier 100 links up through filling the leak protection mortar, fill the leak protection mortar between two first prefabricated plates 2 of adjacent semi-prefabricated crash barrier 100 and between two second prefabricated plates 3 promptly, in order to guarantee that the outward appearance of crash barrier system is level and smooth, and subsequent concrete placement, whole work progress convenient and fast, and pour the semi-prefabricated crash barrier system that forms after accomplishing and link up smoothly, wholly beautifully, it is level and smooth, structural strength is high, and the safety factor is higher.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A semi-prefabricated anti-collision guardrail is characterized by comprising a steel reinforcement framework, a first prefabricated plate, a second prefabricated plate and a first connecting piece, wherein the steel reinforcement framework extends downwards and is fixed on a bridge floor or a road surface; the first connecting piece sequentially penetrates through the first prefabricated plate, the steel reinforcement framework and the second prefabricated plate and is horizontally and vertically connected with the first prefabricated plate and the second prefabricated plate, and a locking piece for locking the first prefabricated plate and the second prefabricated plate in opposite directions is arranged at one end or two ends of the first connecting piece; cast-in-place concrete is poured between the first precast slab and the second precast slab.
2. The semi-prefabricated crash barrier of claim 1, wherein the first connector is provided at lower portions of the first prefabricated panel, the framework of steel reinforcement, and the second prefabricated panel.
3. The semi-prefabricated crash barrier of claim 2, further comprising a second connecting member, wherein a first ear hanging member and a second ear hanging member are respectively and fixedly arranged on opposite inner sides of the first prefabricated plate and the second prefabricated plate above the steel reinforcement framework, the second connecting member is vertically arranged between the first prefabricated plate and the second prefabricated plate, and two ends of the second connecting member are respectively connected with the first ear hanging member and the second ear hanging member on two sides.
4. A semi-prefabricated crash barrier as set forth in claim 3 wherein said first and second ear pieces are of the same structural configuration; the two ends of the second connecting piece are provided with bent hook portions, and the second connecting piece is connected with the first ear hanging pieces and the second ear hanging pieces on the two sides in a hooking mode through the bent hook portions.
5. The semi-prefabricated anti-collision guardrail according to claim 4, wherein through holes are vertically formed in the middle of the first ear hanging piece and the middle of the second ear hanging piece respectively, and the hook part of the second connecting piece is hooked in the through holes on the two sides in a penetrating manner.
6. The semi-prefabricated crash barrier as recited in claim 4, wherein the ends of the first and second ear pieces are bent upward to form hooking grooves, and the hook portions of the second connecting member are hooked in the hooking grooves on both sides.
7. A semi-prefabricated crash barrier system comprising a plurality of semi-prefabricated crash barriers according to any one of claims 1 to 6, said plurality of semi-prefabricated crash barriers being adjacent to each other and extending along the length of a deck or pavement; and a plurality of steel reinforcement frameworks of the semi-prefabricated anti-collision guardrail are integrally connected, and anti-leakage mortar is filled between every two adjacent first prefabricated plates and between every two adjacent second prefabricated plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120711346.8U CN215289684U (en) | 2021-04-07 | 2021-04-07 | Semi-prefabricated anti-collision guardrail and guardrail system applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120711346.8U CN215289684U (en) | 2021-04-07 | 2021-04-07 | Semi-prefabricated anti-collision guardrail and guardrail system applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215289684U true CN215289684U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120711346.8U Active CN215289684U (en) | 2021-04-07 | 2021-04-07 | Semi-prefabricated anti-collision guardrail and guardrail system applying same |
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| CN (1) | CN215289684U (en) |
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- 2021-04-07 CN CN202120711346.8U patent/CN215289684U/en active Active
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Address after: 610047 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee after: Sichuan Communications Construction Group Co.,Ltd. Address before: 610041 area a and B, 8th floor, Sichuan Expressway Building, No.90, West 1st section of 2nd Ring Road, Wuhou District, Chengdu City, Sichuan Province Patentee before: Sichuan Communications Construction Group Co.,Ltd. |
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