CN217556681U - Prefabricated formula reinforced concrete guardrail mounting structure - Google Patents
Prefabricated formula reinforced concrete guardrail mounting structure Download PDFInfo
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- CN217556681U CN217556681U CN202221115069.5U CN202221115069U CN217556681U CN 217556681 U CN217556681 U CN 217556681U CN 202221115069 U CN202221115069 U CN 202221115069U CN 217556681 U CN217556681 U CN 217556681U
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- guardrail
- bridge body
- limiting plate
- reinforced concrete
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Abstract
The utility model relates to a prefabricated formula reinforced concrete guardrail mounting structure, it is including establishing limiting plate and the prepackage type guardrail of reserving on the bridge body, and the prepackage type guardrail passes through the limiting plate and installs on the bridge body to be equipped with the connecting reinforcement of reserving on the prepackage type guardrail, the reinforcing bar on connecting reinforcement and the bridge body is connected, thereby effectual reinforcing guardrail steadiness on the bridge.
Description
Technical Field
The utility model relates to building technical field is a prefabricated formula reinforced concrete guardrail mounting structure particularly.
Background
The design and construction of modern bridges and the traditional bridge construction are greatly improved, and more in the modern bridge construction, an assembly type structure is adopted, all parts of the bridge are prefabricated in a factory, and then are transported to the site and then are hoisted and spliced.
In the prefabricated structure, the design and the prefabrication of structural components such as bridges, capping beams, piers and the like are relatively perfect, and the prefabricated component structure of the guardrail structure has great defects at present. The guardrail is used for protecting vehicles running on a road, blocking out-of-control vehicles and preventing the vehicles from rushing out of a bridge floor to cause greater casualties; in the work progress of some bridges, often pour the guardrail at the scene after accomplishing the installation of other prefabs, mainly be in order to guarantee the steadiness of guardrail structure, present prepackage type guardrail still has some lacks in the steadiness direction to because the binding face of guardrail and bridge body is less, the installation between preassembled bridge and the bridge body also can have certain degree of difficulty.
Disclosure of Invention
The utility model relates to a prefabricated formula reinforced concrete guardrail mounting structure, it is including establishing limiting plate and the prepackage type guardrail of reserving on the bridge body, and the prepackage type guardrail passes through the limiting plate and installs on the bridge body to be equipped with the connecting reinforcement of reserving on the prepackage type guardrail, the reinforcing bar on connecting reinforcement and the bridge body is connected, thereby effectual reinforcing guardrail steadiness on the bridge.
The utility model discloses realize above-mentioned purpose and adopt following technical scheme:
the utility model provides a prefabricated formula reinforced concrete guardrail mounting structure, it includes the bridge body and establishes the prepackage type guardrail in bridge body edge.
A reserved limiting plate is arranged at the edge of the bridge body, and a groove corresponding to the limiting plate is formed in the bottom of the preassembled guardrail; the preassembled guardrail is buckled into a limiting plate on the bridge body through a groove at the bottom; the bottom side of prepackage type guardrail has horizontal reinforcing bar towards this internal one side reservation of bridge, is equipped with the panel steel reinforcement cage that is used for laying the panel on the bridge body, horizontal reinforcement weld to panel steel reinforcement cage on.
The end face of the limiting plate is of a right-angle trapezoidal structure, the right-angle side of the limiting plate is positioned on the inner side of the bridge body, and the inclined side of the limiting plate is positioned on the outer side of the bridge body; the groove is of a trapezoidal structure, and the preassembled guardrail is buckled into the limiting plate on the bridge body through the groove.
The edge of limiting plate and the slope limit and bridge body reserve and have the step portion, the height that highly is higher than the bridge body of step portion.
The outer vertical surface of the pre-installed guardrail is integrally inclined to the inner side of the bridge body, and a supporting part protruding inwards is arranged below the inner side of the pre-installed guardrail; the transverse reinforcing steel bars correspond to the supporting parts.
The prefabricated guardrail is internally provided with framework steel bars, and the framework steel bars comprise two parts, namely main steel bars and auxiliary steel bars; the main reinforcing steel bars are in a shape like a Chinese character 'ji', the bottom edges of the left sides of the main reinforcing steel bars are connected to the longitudinal reinforcing steel bars on the right sides after being bent inwards, the bending angle of the main reinforcing steel bars is the same as the inclination angle of the inclined edges of the grooves, the bottoms of the longitudinal reinforcing steel bars on the right sides are provided with bending sections corresponding to the supporting parts, and the bottom edges of the right sides of the main reinforcing steel bars extend out of the pre-installed guardrail; the auxiliary steel bars are of L-shaped structures, the tops of the auxiliary steel bars are connected to the upper portion of the longitudinal steel bars on the right side of the main steel bars, and the bottom edges of the auxiliary steel bars and the bottom edges of the right side of the main steel bars extend out of the prefabricated guardrail together to form the transverse steel bars.
The framework reinforcing steel bars are provided with a plurality of groups which are uniformly distributed in the preassembled guardrail, and the framework reinforcing steel bars are connected through longitudinal reinforcing steel bars.
Furthermore, the top of the limiting plate is provided with reserved vertical steel bars which are uniformly distributed, longitudinal holes are formed in the corresponding pre-installed guardrails, and when the pre-installed guardrails are installed on the limiting plate, the vertical steel bars are inserted into the holes.
The utility model adopts the above technical scheme following beneficial effect has:
the matching of the limiting plate and the groove in the device is convenient for positioning in the installation process, and the firmness of the guardrail can be improved after the transverse steel bars are connected with the panel steel reinforcement cage; the inclined surface of the limiting plate and the inclined structure corresponding to the groove can support the guardrail at the outer side part when the guardrail is impacted, so that the firmness of the guardrail is further improved; in addition, the reinforcing steel bars and the pore passages between the limiting plates and the guardrails are filled with concrete after installation, so that the installation is facilitated, and the stability is improved.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of a reinforcement cage.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and 2, the prefabricated reinforced concrete guardrail mounting structure comprises a bridge body 1 and a pre-installed guardrail 2 arranged at the edge of the bridge body 1.
A reserved limiting plate 101 is arranged at the edge of the bridge body 1, and a groove 201 corresponding to the limiting plate 101 is arranged at the bottom of the pre-installed guardrail 2; the preassembled guardrail 2 is buckled into a limiting plate 101 on the bridge body 1 through a groove 201 at the bottom; the bottom side of prepackage type guardrail 2 reserves horizontal reinforcing bar 102 towards one side in the bridge body 1, is equipped with the panel steel reinforcement cage 103 that is used for laying the panel on the bridge body 1, horizontal reinforcing bar 102 weld on panel steel reinforcement cage 103.
The end face of the limiting plate 101 is of a right-angled trapezoid structure, the right-angled edge of the limiting plate 101 is located on the inner side of the bridge body 1, and the inclined edge is located on the outer side of the bridge body 1; the groove 201 is of a trapezoidal structure, and the preassembled guardrail 2 is buckled into the limiting plate 101 on the bridge body 1 through the groove 201.
The edge of the limiting plate 101, the edge of the limiting plate and the edge of the bridge body 1 are reserved with a step part 104, and the height of the step part 104 is higher than that of the bridge body 1.
The outer vertical surface of the pre-installed guardrail 2 is integrally inclined to the inner side of the bridge body 1, and a supporting part 202 protruding inwards is arranged below the inner side of the pre-installed guardrail 2; the transverse reinforcing bars 102 correspond to the supporting portions 202.
The prefabricated guardrail 2 is internally provided with framework steel bars 203, and the framework steel bars 203 comprise two parts, namely main steel bars 2031 and auxiliary steel bars 2032; the main steel bars 2031 are shaped like a Chinese character 'ji', the left bottom edge of the main steel bars 2031 is bent inwards and then connected to the right longitudinal steel bars, the bending angle is the same as the inclination angle of the inclined edge of the groove 201, the bottom of the right longitudinal steel bars is provided with a bending section corresponding to the support part 202, and the right bottom edge of the main steel bars 2031 extends out of the pre-installed guardrail 2; the auxiliary reinforcement 2032 is an L-shaped structure, the top of the auxiliary reinforcement 2032 is connected to the upper side of the longitudinal reinforcement on the right side of the main reinforcement 2031, and the bottom edge of the auxiliary reinforcement 2032 and the bottom edge of the right side of the main reinforcement 2031 extend out of the prefabricated guardrail 2 to form the transverse reinforcement 102.
The framework steel bars 203 are provided with a plurality of groups which are uniformly distributed in the pre-installed guardrail 2, and the framework steel bars 203 are connected through longitudinal steel bars 204.
Furthermore, the top of the limiting plate 101 is provided with reserved vertical steel bars 105 which are uniformly distributed, a longitudinal hole 205 is formed in the corresponding pre-installed guardrail 2, and when the pre-installed guardrail 2 is installed on the limiting plate 101, the vertical steel bars 105 are inserted into the hole 205.
In the installation process of the prefabricated guardrail, the groove on the guardrail is aligned to the limiting plate on the bridge body, the hole channel needs to be aligned to the vertical reinforcing steel bar on the limiting plate in the process, then the horizontal reinforcing steel bar is welded with a panel reinforcing cage arranged on the bridge body, and then concrete mortar is poured into the hole channel to connect the reinforcing steel bar with the bridge body; the transverse steel bars are embedded into the panels of the bridge body when the panels of the bridge body are paved, and then the installation process is completed.
If when the side collision appears in the use, the welding between horizontal reinforcing bar and the panel reinforcing bar hole can give the steel reinforcement cage in the guardrail with horizontal pulling force, guarantees the fastness. In addition, the vertical steel bars and the concrete poured in the pore channel form a columnar structure to reinforce the guardrail.
Simultaneously, when receiving strong striking, the guardrail outside supports and also can carry out certain support to the guardrail with the part of step portion, if adopt the vertically limiting plate outside, then the outer edge of reduction guardrail of very big degree is to the support effect of guardrail body, consequently, we have set up the outer edge of the limiting plate of slope.
Claims (7)
1. The utility model provides a prefabricated formula reinforced concrete guardrail mounting structure, it includes the bridge body and establishes the prepackage type guardrail in bridge body edge, its characterized in that: a reserved limiting plate is arranged at the edge of the bridge body, and a groove corresponding to the limiting plate is formed in the bottom of the preassembled guardrail; the preassembled guardrail is buckled into a limiting plate on the bridge body through a groove at the bottom; the bottom side of prepackage type guardrail has horizontal reinforcing bar towards this internal one side reservation of bridge, is equipped with the panel steel reinforcement cage that is used for laying the panel on the bridge body, horizontal reinforcing bar weld on the panel steel reinforcement cage.
2. The prefabricated reinforced concrete guardrail mounting structure of claim 1, wherein: the end face of the limiting plate is of a right-angle trapezoid structure, the right-angle side of the limiting plate is located on the inner side of the bridge body, and the inclined side of the limiting plate is located on the outer side of the bridge body; the recess is trapezium structure, and the limiting plate on the bridge body is buckled into through the recess to the prepackage type guardrail.
3. The prefabricated reinforced concrete guardrail mounting structure of claim 2, wherein: the edge of the inclined edge of the limiting plate and the edge of the bridge body are reserved with step parts, and the height of the step parts is higher than that of the bridge body.
4. The prefabricated reinforced concrete guardrail mounting structure of claim 3, wherein: the outer vertical surface of the pre-installed guardrail is integrally inclined to the inner side of the bridge body, and an inward-protruding supporting part is arranged below the inner side of the pre-installed guardrail; the transverse reinforcing steel bars correspond to the supporting parts.
5. The prefabricated reinforced concrete guardrail mounting structure of claim 4, wherein: the prefabricated guardrail is internally provided with framework steel bars, and the framework steel bars comprise two parts, namely main steel bars and auxiliary steel bars; the main reinforcing steel bars are in a shape like a Chinese character 'ji', the bottom edges of the left sides of the main reinforcing steel bars are connected to the longitudinal reinforcing steel bars on the right sides after being bent inwards, the bending angle of the main reinforcing steel bars is the same as the inclination angle of the inclined edges of the grooves, the bottoms of the longitudinal reinforcing steel bars on the right sides are provided with bending sections corresponding to the supporting parts, and the bottom edges of the right sides of the main reinforcing steel bars extend out of the pre-installed guardrail; the auxiliary steel bars are of L-shaped structures, the tops of the auxiliary steel bars are connected to the upper portion of the longitudinal steel bars on the right side of the main steel bars, and the bottom edges of the auxiliary steel bars and the bottom edges of the right side of the main steel bars extend out of the prefabricated guardrail together to form the transverse steel bars.
6. The prefabricated reinforced concrete guardrail mounting structure of claim 5, wherein: the framework reinforcing steel bars are provided with a plurality of groups which are uniformly distributed in the pre-installed guardrail and are connected through longitudinal reinforcing steel bars.
7. The prefabricated reinforced concrete guardrail mounting structure of claim 6, wherein: the top of the limiting plate is provided with reserved vertical steel bars which are uniformly distributed, a longitudinal hole is formed in the corresponding pre-installed guardrail, and when the pre-installed guardrail is installed on the limiting plate, the vertical steel bars are inserted into the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221115069.5U CN217556681U (en) | 2022-05-11 | 2022-05-11 | Prefabricated formula reinforced concrete guardrail mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221115069.5U CN217556681U (en) | 2022-05-11 | 2022-05-11 | Prefabricated formula reinforced concrete guardrail mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217556681U true CN217556681U (en) | 2022-10-11 |
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ID=83473946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221115069.5U Active CN217556681U (en) | 2022-05-11 | 2022-05-11 | Prefabricated formula reinforced concrete guardrail mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217556681U (en) |
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2022
- 2022-05-11 CN CN202221115069.5U patent/CN217556681U/en active Active
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