CN218597026U - Anti-collision guardrail structure - Google Patents
Anti-collision guardrail structure Download PDFInfo
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- CN218597026U CN218597026U CN202223150282.2U CN202223150282U CN218597026U CN 218597026 U CN218597026 U CN 218597026U CN 202223150282 U CN202223150282 U CN 202223150282U CN 218597026 U CN218597026 U CN 218597026U
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Abstract
The utility model discloses an anticollision barrier structure, including setting up at the prefabricated guardrail body on girder steel one end upper portion, set up the cast-in-place section in the inboard bottom of prefabricated guardrail body, the bottom of prefabricated guardrail body is provided with first step and second step, and the second step department of prefabricated guardrail body is reserved to have and is used for pre-buried first embedded bar to the cast-in-place section, the pre-buried reinforcing bar of second, the pre-buried reinforcing bar of third and the pre-buried reinforcing bar of fourth, is provided with on the girder steel to be used for pre-buried connecting steel plate in the cast-in-place section, the inherent anchor steel sheet of lateral part anchor of first step. The utility model has the advantages of reasonable design, through set up cast-in-place section between prefabricated guardrail body and decking to reserve on prefabricated guardrail body and have first embedded bar, second embedded bar, third embedded bar and the fourth embedded bar that is used for pre-buried to cast-in-place section, can effectively improve the efficiency of construction, guarantee construction safety, can effectively improve its coupling part rigidity and durability, and then improve anticollision barrier's factor of safety.
Description
Technical Field
The utility model belongs to the technical field of the guardrail construction, concretely relates to anticollision barrier structure.
Background
The anti-collision guardrail can effectively reduce and avoid traffic accidents caused by that vehicles rush out of roads due to faults and the like, and is widely applied to the construction of auxiliary facilities such as bridges, highways and the like. At present, the construction of the anti-collision guardrail generally adopts a cast-in-place technology or a prefabricated assembly mode, when the construction of the anti-collision guardrail is carried out by adopting the cast-in-place technology, a template bracket needs to be erected on site to support a side formwork, the construction cost is high, the efficiency is low, and potential safety hazards exist in the construction process; when the mode of adopting prefabricating to assemble carries out crashproof guardrail construction, the connection between precast concrete piece and bridge or road and the connection between the precast concrete piece can only be through reserving the angle steel and with bolted connection, and coupling part rigidity and durability are relatively poor, and then influence the factor of safety of guardrail.
Therefore, it is desirable to provide an efficient crash barrier structure with a high safety factor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that lie in to above-mentioned prior art not enough, provide an anticollision barrier structure, its structural design is reasonable, through set up cast-in-place section between prefabricated guardrail body and decking, and reserve on prefabricated guardrail body and have the first embedded bar that is used for pre-buried to cast-in-place section, the second embedded bar, third embedded bar and fourth embedded bar, can effectively improve the efficiency of construction, guarantee construction safety, can effectively improve its coupling part rigidity and durability, and then improve anticollision barrier's factor of safety.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a crash barrier structure which characterized in that: including setting up at prefabricated guardrail body on girder steel one end upper portion, setting just be used for pouring cast-in-place section as an organic whole with the decking in the inboard bottom of prefabricated guardrail body, the bottom of prefabricated guardrail body is provided with and is used for clamping the first step on girder steel one end upper portion and is used for the second step of being connected with cast-in-place section tongue-and-groove, the second step department of prefabricated guardrail body reserves first embedded bar, second embedded bar, third embedded bar and the fourth embedded bar that is used for pre-buried to the cast-in-place section, be provided with the connecting plate who is used for pre-buried in cast-in-place section on the girder steel, the lateral part anchor of first step is inherently used for carrying out the anchor steel sheet of being connected with the girder steel.
Foretell crash barrier structure, its characterized in that: a plurality of reserved through holes for installing transverse railings are reserved on the prefabricated guardrail body.
Foretell crash barrier structure, its characterized in that: the first embedded steel bar, the second embedded steel bar and the third embedded steel bar are welded with the connecting steel plate, and the fourth embedded steel bar is welded with the third embedded steel bar.
Foretell crash barrier structure, its characterized in that: and a plurality of longitudinal steel bars are also arranged in the cast-in-place section.
Foretell crash barrier structure, its characterized in that: the top of cast-in-place section is provided with an inclined plane, the inclined plane is by being close to prefabricated guardrail body one side to keeping away from the one side of prefabricated guardrail body downward sloping gradually, the bottom on inclined plane is higher than the decking and lays.
Foretell crash barrier structure, its characterized in that: first embedded steel bar, second embedded steel bar, third embedded steel bar and fourth embedded steel bar all with this internal steel bar interconnect of prefabricated guardrail.
Foretell crash barrier structure, its characterized in that: the anchoring steel plate is arranged close to the end part of the steel beam, and the anchoring steel plate is welded with the steel beam.
Foretell crash barrier structure, its characterized in that: the top surface of the first step is arranged in a manner of being clung to the top surface of the steel beam, and the bottom of the cast-in-place section is arranged in a manner of being clung to the top surface of the steel beam.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up cast-in-place section between prefabricated guardrail body and decking, need not erect the side forms for cast-in-place anticollision barrier, can effectively improve the efficiency of construction, guarantee construction safety, for prefabricated assembled anticollision barrier, cast-in-place section can be connected prefabricated guardrail body and decking and girder steel, can effectively improve its coupling part rigidity and durability, and then improves anticollision barrier's factor of safety.
2. The utility model discloses a second step department at prefabricated guardrail body reserves first embedded bar, second embedded bar, third embedded bar and the fourth embedded bar that is used for pre-buried to cast-in-place section to be provided with the connecting steel plate that is used for pre-buried in cast-in-place section on the girder steel, can further guarantee connection rigidity and wholeness between the prefabricated guardrail body girder steel.
3. The utility model discloses an anchor steel sheet that is used for being connected with the girder steel in the lateral part anchor of first step can be convenient for realize being connected of prefabricated guardrail body and girder steel.
To sum up, the utility model has the advantages of reasonable design, through set up cast-in-place section between prefabricated guardrail body and decking to reserve on prefabricated guardrail body and have first embedded bar, second embedded bar, third embedded bar and the fourth embedded bar that is used for pre-buried to cast-in-place section, can effectively improve the efficiency of construction, guarantee construction safety, can effectively improve its coupling part rigidity and durability, and then improve anticollision barrier's factor of safety.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structure schematic diagram of the prefabricated guardrail body of the utility model.
Description of the reference numerals:
1-steel beam; 2-bridge deck; 3, prefabricating a guardrail body;
3-1 — first step; 3-2 — a second step; 4, a cast-in-place section;
4-1 — inclined plane; 5, first embedded steel bars; 6, second embedded steel bars;
7-third embedded steel bars; 8-fourth embedded steel bars; 9-connecting steel plates;
10, anchoring a steel plate; 11-reserving a through hole; 12-longitudinal reinforcement.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses a set up at the prefabricated guardrail body 3 on 1 one end upper portion of girder steel, set up in the inboard bottom of prefabricated guardrail body 3 and be used for pouring cast-in-place section 4 as an organic whole with decking 2, the bottom of prefabricated guardrail body 3 is provided with and is used for clamping the first step 3-1 on 1 one end upper portion of girder steel and is used for the second step 3-2 with cast-in-place section 4 tongue-and-groove connection, second step 3-2 department of prefabricated guardrail body 3 reserves and is used for pre-buried first embedded steel bar 5, second embedded steel bar 6, third embedded steel bar 7 and fourth embedded steel bar 8 to cast-in-place section 4, be provided with the connecting plate 9 that is used for pre-buried in cast-in-place section 4 on the girder steel 1, the lateral part anchor of first step 3-1 is inherently used for carrying out the anchor steel sheet 10 of being connected with girder steel 1.
During the in-service use, through set up cast-in-place section 4 between prefabricated guardrail body 3 and decking 2, for cast-in-place anticollision barrier need not erect the side forms, can effectively improve the efficiency of construction, guarantee construction safety, for prefabricated assembled anticollision barrier, cast-in-place section 4 can be connected prefabricated guardrail body 3 with decking 2 and girder steel 1, can effectively improve its coupling part rigidity and durability, and then improve anticollision barrier's factor of safety.
It should be noted that, a first embedded steel bar 5, a second embedded steel bar 6, a third embedded steel bar 7 and a fourth embedded steel bar 8 which are embedded into the cast-in-place section 4 are reserved at the second step 3-2 of the prefabricated guardrail body 3, and a connecting steel plate 9 which is embedded into the cast-in-place section 4 is arranged on the steel beam 1, so that the connection rigidity and integrity between the prefabricated guardrail body 3 and the steel beam 1 can be further ensured.
During concrete implementation, the anchoring steel plate 10 used for being connected with the steel beam 1 is anchored at the side part of the first step 3-1, so that the prefabricated guardrail body 3 can be conveniently connected with the steel beam 1.
During concrete implementation, the quantity of first embedded steel bars 5, second embedded steel bars 6, third embedded steel bars 7 and fourth embedded steel bars 8 is a plurality of, and a plurality of reinforcing bars of the same type are all laid along vertically in proper order.
In this embodiment, a plurality of reserved through holes 11 for installing the transverse railings are reserved on the prefabricated guardrail body 3.
During the in-service use, reserve the setting of through-hole 11, be convenient for realize the quick installation of horizontal railing between two adjacent anticollision barriers, need not the scene and punch, reserve through-hole 11 and have the circular also square.
In this embodiment, first embedded steel bar 5, second embedded steel bar 6 and third embedded steel bar 7 all weld with connecting steel plate 9, fourth embedded steel bar 8 welds with third embedded steel bar 7.
When the prefabricated guardrail is actually used, the bottom of the second embedded steel bar 6 is welded with the steel beam 1, one end of the first embedded steel bar 5 extends into the upper end of the prefabricated guardrail body 3, the other end of the first embedded steel bar 5 obliquely and downwards penetrates through the prefabricated guardrail body 3 and extends to the position below one side of the prefabricated guardrail body 3, then the prefabricated guardrail is bent and vertically and downwards arranged, and the vertical section of the first embedded steel bar 5 is closely arranged on one side, close to the bridge deck 2, of the connecting steel plate 9;
one end of a second embedded steel bar 6 extends into the upper end of the prefabricated guardrail body 3, and the other end of the second embedded steel bar 6 penetrates through the top surface of a second step 3-2 of the prefabricated guardrail body 3, then downwards bends towards the bridge deck 2, then upwards bends and is connected with one side, far away from the bridge deck 2, of the connecting steel plate 9;
one end of each of the third embedded steel bar 7 and the fourth embedded steel bar 8 extends into a section below the prefabricated guardrail body 3, the other end of each of the third embedded steel bars 7 passes through the side face of the second step 3-2 and then continues to extend in the direction of the bridge deck 2 and then bends downwards to be connected with one side, far away from the bridge deck 2, of the connecting steel plate 9, and the other end of each of the fourth embedded steel bars 8 passes through the side face of the second step 3-2 and then continues to extend in the direction of the bridge deck 2 until being connected with the second embedded steel bar 6.
In this embodiment, a plurality of longitudinal steel bars 12 are further disposed in the cast-in-place section 4.
During the actual use, the preferred two of the quantity of longitudinal reinforcement 12, two longitudinal reinforcements 12 are connected with second embedded steel 6 and third embedded steel 7 respectively.
In the embodiment, the top of the cast-in-place section 4 is provided with an inclined plane 4-1, the inclined plane 4-1 is gradually inclined downwards from one side close to the prefabricated guardrail body 3 to one side far away from the prefabricated guardrail body 3, and the bottom of the inclined plane 4-1 is arranged higher than the bridge deck 2.
In actual use, the upper end of the inclined plane 4-1 is positioned above the top surface of the second step 3-2, and the upper end of the inclined plane 4-1 is arranged below the top of the prefabricated guardrail body 3.
In this embodiment, first embedded bar 5, second embedded bar 6, third embedded bar 7 and fourth embedded bar 8 all with prefabricated guardrail body 3 interior reinforcing bar welded joint each other.
In this embodiment, the anchoring steel plate 10 is closely attached to the end of the steel beam 1, and the anchoring steel plate 10 is welded to the steel beam 1.
In actual use, the anchoring steel plate 10 and the connecting steel plate 9 are parallel to each other.
In this embodiment, the top surface of the first step 3-1 is arranged to be closely attached to the top surface of the steel beam 1, and the bottom of the cast-in-place section 4 is arranged to be closely attached to the top surface of the steel beam 1.
The utility model discloses during the in-service use, at first install prefabricated guardrail body 3 on the one end upper portion of girder steel 1, and make anchor steel sheet 10 and the 1 end weld of girder steel on the prefabricated guardrail body 3, with the bottom and the 1 welding of girder steel of the second embedded bar 6 on the prefabricated guardrail body 3, with the first embedded bar 5 on the prefabricated guardrail body 3, second embedded bar 6 and third embedded bar 7 all weld with steel connecting plate 9, ligature longitudinal reinforcement 12 on second embedded bar 6 and third embedded bar 7 respectively, prop up and establish, the template is pour concrete and is formed cast-in-place section 4, accomplish the construction of anticollision guardrail.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (8)
1. The utility model provides an anticollision barrier structure which characterized in that: the prefabricated guardrail comprises a prefabricated guardrail body (3) arranged at the upper part of one end of a steel beam (1), a cast-in-place section (4) which is arranged at the bottom of the inner side of the prefabricated guardrail body (3) and used for being poured into a whole with a bridge deck (2), wherein a first step (3-1) used for being clamped at the upper part of one end of the steel beam (1) and a second step (3-2) used for being connected with a tongue-and-groove of the cast-in-place section (4) are arranged at the bottom of the prefabricated guardrail body (3), a first embedded steel bar (5), a second embedded steel bar (6), a third embedded steel bar (7) and a fourth embedded steel bar (8) which are embedded into the cast-in-place section (4) are reserved at the second step (3-2) of the prefabricated guardrail body (3), a connecting steel plate (9) used for being embedded into the cast-in-place section (4) is arranged on the steel beam (1), and an anchoring steel plate (10) used for being connected with the side anchor of the first step (3-1) is inherent.
2. A crash barrier construction according to claim 1 wherein: a plurality of reserved through holes (11) for installing transverse railings are reserved on the prefabricated guardrail body (3).
3. A crash barrier structure according to claim 1, wherein: the first embedded steel bars (5), the second embedded steel bars (6) and the third embedded steel bars (7) are welded with the connecting steel plate (9), and the fourth embedded steel bars (8) are welded with the third embedded steel bars (7).
4. A crash barrier construction according to claim 1 wherein: and a plurality of longitudinal steel bars (12) are also arranged in the cast-in-place section (4).
5. A crash barrier construction according to claim 1 wherein: the top of the cast-in-place section (4) is provided with an inclined plane (4-1), the inclined plane (4-1) is gradually inclined downwards from one side close to the prefabricated guardrail body (3) to one side far away from the prefabricated guardrail body (3), and the bottom of the inclined plane (4-1) is higher than the bridge deck (2) in arrangement.
6. A crash barrier structure according to claim 1, wherein: and the first embedded steel bar (5), the second embedded steel bar (6), the third embedded steel bar (7) and the fourth embedded steel bar (8) are all connected with the inner steel bar of the prefabricated guardrail body (3).
7. A crash barrier structure according to claim 1, wherein: the anchoring steel plate (10) is closely arranged at the end part of the steel beam (1), and the anchoring steel plate (10) is welded with the steel beam (1).
8. A crash barrier structure according to claim 1, wherein: the top surface of the first step (3-1) is closely attached to the top surface of the steel beam (1) to be arranged, and the bottom of the cast-in-place section (4) is closely attached to the top surface of the steel beam (1) to be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223150282.2U CN218597026U (en) | 2022-11-25 | 2022-11-25 | Anti-collision guardrail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223150282.2U CN218597026U (en) | 2022-11-25 | 2022-11-25 | Anti-collision guardrail structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218597026U true CN218597026U (en) | 2023-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223150282.2U Active CN218597026U (en) | 2022-11-25 | 2022-11-25 | Anti-collision guardrail structure |
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| Country | Link |
|---|---|
| CN (1) | CN218597026U (en) |
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2022
- 2022-11-25 CN CN202223150282.2U patent/CN218597026U/en active Active
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