CN211142809U - Prefabricated assembled light-duty crashproof guardrail that excels in of bridge - Google Patents
Prefabricated assembled light-duty crashproof guardrail that excels in of bridge Download PDFInfo
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- CN211142809U CN211142809U CN201921986315.2U CN201921986315U CN211142809U CN 211142809 U CN211142809 U CN 211142809U CN 201921986315 U CN201921986315 U CN 201921986315U CN 211142809 U CN211142809 U CN 211142809U
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Abstract
The utility model discloses a light-duty crashproof guardrail that excels in of prefabricated assembled of bridge relates to bridge engineering technical field, meet and hit panel layer and outer apron layer in setting up around including, meet and hit panel layer including a plurality of interior meeting that set up side by side along bridge length direction and hit the panel in interior meeting, meet and hit the panel in arbitrary two adjacent and all can dismantle the connection, outer apron layer includes a plurality of outer apron that set up side by side along bridge length direction, two arbitrary adjacent outer laps all can dismantle the connection, meet in each and hit the bottom of panel and all can dismantle with the decking and be connected, the bottom of each outer apron all can dismantle with the bottom that the interior meeting that corresponds and hit the panel and be connected, the top of each outer apron all can dismantle with the top that the interior meeting that hits the panel that corresponds and be connected. The impact facing panel layer and the outer cover plate layer in the prefabricated assembly type light high-strength anti-collision guardrail of the bridge are prefabricated in a factory respectively and then assembled on site, so that the cast-in-place construction step is omitted, the construction period is greatly shortened, and the maintenance is convenient.
Description
Technical Field
The utility model relates to a bridge engineering technical field especially relates to a prefabricated assembled light-duty crashproof guardrail that excels in of bridge.
Background
The anti-collision guardrail is an important traffic safety facility on a highway bridge, and the anti-collision guardrail utilizes higher strength and toughness of the anti-collision guardrail to realize the functions of blocking, buffering and guiding accident vehicles. The existing bridge anti-collision guardrail is mostly a concrete anti-collision guardrail, the concrete anti-collision guardrail is formed by integrally casting concrete, the construction period is long, the maintenance is difficult, and the sustainability development of bridge engineering is not facilitated.
Therefore, a bridge anti-collision guardrail with short construction period and convenient maintenance is needed at present.
SUMMERY OF THE UTILITY MODEL
For solving the above technical problem, the utility model provides a construction cycle is short, and easy maintenance's the light-duty crashproof guardrail that excels in of prefabricated assembled of bridge.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a prefabricated assembled light-duty crashproof guardrail that excels in of bridge, meet and hit panel layer and outer apron layer in setting up around including, meet and hit panel layer including a plurality of edges bridge length direction meets and hits the panel in setting up side by side, and arbitrary two are adjacent meet and hit the panel in and all can dismantle the connection, outer apron layer includes a plurality of outer apron that set up side by side along bridge length direction, and arbitrary two are adjacent outer apron all can dismantle the connection, each meet and hit the bottom of panel in all can dismantle with the decking and be connected, each the bottom of outer apron all with correspond the connection can be dismantled to the bottom that interior meet and hit the panel, each the top of outer apron all with correspond the top that interior meets and hit the panel can dismantle the connection.
Preferably, each interior head-on panel all includes the curb plate body and roof and the bottom plate that is parallel to each other, the roof with the bottom plate all is perpendicular to outer apron layer, just the roof is close to the one end of outer apron layer can dismantle the connection with the top that corresponds outer apron, the bottom plate is close to the one end of outer apron layer can dismantle with the bottom that corresponds outer apron and be connected, the both ends of the curb plate body respectively with the roof is kept away from the one end of outer apron layer and the bottom plate is kept away from the one end of outer apron layer is connected, the bottom plate with the bridge deck can dismantle the connection.
Preferably, the curb plate body is close to including straight curb plate and orientation the sunken arc transition curb plate of direction of outer apron layer, the length of roof is less than the length of bottom plate, the one end perpendicular to of straight curb plate the bottom plate and with the bottom plate is kept away from the one end fixed connection of outer apron layer, the other end of straight curb plate passes through the arc transition curb plate with the roof is kept away from the one end of outer apron layer is connected.
Preferably, the roof is close to the one end of outer apron layer is provided with a plurality of first bolts, the top of outer apron is provided with a plurality of first trompils, one first bolt passes one first trompil and fastens through a first nut, the bottom plate is close to the one end of outer apron layer is provided with a plurality of second bolts, the bottom of outer apron is provided with a plurality of second trompils, one the second bolt passes one the second trompil and fastens through a second nut, the bottom plate still is provided with a plurality of third trompils, be provided with a plurality of third bolts on the decking, one the third bolt passes a third trompil and fastens through a third nut.
Preferably, the both ends of outer apron are provided with a plurality of fourth trompils and a plurality of fifth trompil respectively, and arbitrary two are adjacent the hookup location of outer apron all is provided with coupling assembling, coupling assembling including set up respectively in the interior connecting plate and the outer joint plate of the inside and outside both sides of outer apron layer, be provided with a plurality of fourth bolts and a plurality of fifth bolt on the interior connecting plate, be provided with a plurality of sixth trompils and a plurality of seventh trompil, one on the outer joint plate the fourth bolt passes one in proper order fourth trompil and one the sixth trompil is fastened through a fourth nut, one the fifth bolt passes one in proper order fifth trompil and one the seventh trompil is fastened through a fifth nut.
Preferably, the prefabricated assembly type light high-strength anti-collision guardrail of the bridge further comprises a first reinforcing rib plate, a second reinforcing rib plate and a plurality of third reinforcing rib plates, the first reinforcing rib plate and the second reinforcing rib plate are respectively arranged at two ends of the inner collision-facing panel, the plurality of third reinforcing rib plates are uniformly arranged on one side, close to the outer cover plate, of the inner collision-facing panel along the length direction of the inner collision-facing panel, any two adjacent inner collision-facing panels are arranged, and the first reinforcing rib plate of one of the first reinforcing rib plate and the second reinforcing rib plate of the other one of the first reinforcing rib plate and the second reinforcing rib plate are detachably connected.
Preferably, a first seam is formed at the connecting position of any two adjacent inner impact panels, a second seam is formed at the connecting position of any two adjacent outer cover plates, and the first seam and the second seam are arranged in a staggered manner.
Preferably, the second seam location is grit blasted.
Preferably, the inner impact panel is an ultra-high performance concrete inner impact panel, and the outer cover plate is an ultra-high performance concrete outer cover plate.
The utility model discloses for prior art gain following technological effect:
the utility model provides a light-duty crashproof guardrail that excels in of prefabricated assembled of bridge, meet and hit panel layer and outer apron layer in setting up around including, meet and hit panel layer including a plurality of interior meeting that set up side by side along bridge length direction and hit the panel in meeting, meet and hit the panel in arbitrary two adjacent and all can dismantle the connection, outer apron layer includes a plurality of outer apron that set up side by side along bridge length direction, two arbitrary adjacent outer apron all can dismantle the connection, meet in each and hit the bottom of panel and all can dismantle with the decking and be connected, the bottom of each outer apron all can dismantle with the bottom that meets and hit the panel in corresponding and be connected, the top of each outer apron all can dismantle with the top that meets and hit the panel in corresponding and be connected. Before this prefabricated assembled light-duty crashproof guardrail that excels in of bridge construction, the panel layer is hit to interior meeting and the outer apron layer is prefabricated at the mill respectively, then field assembly, has saved cast-in-place construction step, and construction cycle shortens greatly, and easy maintenance. In addition, after the vehicle is collided, the damaged panel is often the inner impact panel, under the condition, only the impact panel needs to be replaced, the outer cover plate can be continuously used, and materials are effectively saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a prefabricated assembled light high-strength crash barrier for a bridge according to an embodiment of the present invention;
fig. 2 is a schematic side view of a prefabricated assembled light high-strength crash barrier for a bridge according to an embodiment of the present invention;
fig. 3 is a sectional view a-a of fig. 2.
Description of reference numerals: 1. an inner head-on collision panel; 101. a top plate; 102. a base plate; 103. a straight side plate; 104. an arc-shaped transition side plate; 2. an outer cover plate; 3. a first bolt; 4. a second bolt; 5. a third bolt; 6. an inner connection plate; 7. a fourth bolt; 8. a fifth bolt; 9. a first reinforcing rib; 10. a second reinforcing rib; 11. a third reinforcing rib; 12. a bridge deck; 13. an outer connecting plate; 14. and a sixth bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a construction cycle is short, and easy maintenance's the light-duty crashproof guardrail that excels in of prefabricated assembled of bridge.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-3, this embodiment provides a light-duty crashproof guardrail that excels in of prefabricated assembled of bridge, meet and hit panel layer and outer apron layer in setting up including the front and back, meet and hit panel layer including a plurality of interior meeting that set up side by side along bridge length direction and hit panel 1 in meeting, meet and hit panel 1 all can dismantle the connection in arbitrary two adjacent, outer apron layer includes a plurality of outer apron 2 that set up side by side along bridge length direction, two arbitrary adjacent outer apron 2 all can dismantle the connection, meet in each and hit the bottom of panel 1 and all can dismantle with decking 12 and be connected, the bottom of each outer apron 2 all can dismantle with the bottom that meets and hit panel 1 in corresponding and be connected, the top of each outer apron 2 all can dismantle with the top that meets and hit panel 1 in corresponding. Before this prefabricated assembled light-duty crashproof guardrail that excels in of bridge construction, the panel layer is hit to interior meeting and the outer apron layer is prefabricated at the mill respectively, then field assembly, has saved cast-in-place construction step, and construction cycle shortens greatly, and easy maintenance. In addition, after the vehicle is collided, the damaged panel 1 is often hit to meet the head, and under this condition, only need change the panel 1 that meets and hit in this condition, and outer apron 2 can continue to use, has effectively practiced thrift the material.
In this embodiment, specifically, as shown in fig. 1 and fig. 3, each of the inner impact panels 1 includes a side plate body, and a top plate 101 and a bottom plate 102 that are parallel to each other, the top plate 101 and the bottom plate 102 are perpendicular to the outer cover plate layer, and one end of the top plate 101 close to the outer cover plate layer is detachably connected to the top end of the corresponding outer cover plate 2, one end of the bottom plate 102 close to the outer cover plate layer is detachably connected to the bottom end of the corresponding outer cover plate 2, two ends of the side plate body are respectively connected to one end of the top plate 101 far away from the outer cover plate layer and one end of the bottom plate 102 far away from the outer cover plate layer, and the bottom plate 102 is. When the inner head-on collision panel 1 is prefabricated, the top plate 101, the bottom plate 102 and the side plate body are integrally cast and molded.
Further, as shown in fig. 1 and 3, the side plate body includes a straight side plate 103 and an arc-shaped transition side plate 104 recessed toward a direction close to the outer cover plate layer, the length of the top plate 101 is smaller than that of the bottom plate 102, one end of the straight side plate 103 is perpendicular to the bottom plate 102 and is fixedly connected with one end of the bottom plate 102 far away from the outer cover plate layer, and the other end of the straight side plate 103 is connected with one end of the top plate 101 far away from the outer cover plate layer through the arc-shaped transition side plate 104. So set up, it is better to meet and hit panel 1 buffering effect in.
In this embodiment, as shown in fig. 1, in order to facilitate the disassembly and assembly of the inner impact panel 1 and the outer cover plate 2, a plurality of first bolts 3 are disposed at one end of the top plate 101 close to the outer cover plate layer, a plurality of first holes are disposed at the top end of the outer cover plate 2, one first bolt 3 passes through one first hole and is fastened by one first nut, a plurality of second bolts 4 are disposed at one end of the bottom plate 102 close to the outer cover plate layer, a plurality of second holes are disposed at the bottom end of the outer cover plate 2, one second bolt 4 passes through one second hole and is fastened by one second nut, a plurality of third holes are further disposed on the bottom plate 102, a plurality of third bolts 5 are disposed on the bridge deck 12, and one third bolt 5 passes through one third hole and is fastened by one third nut. When the inner head-on collision panel 1 is prefabricated, one end of the first bolt 3 is embedded in the top plate 101, one end of the second bolt 4 is embedded in the bottom plate 102, and the first bolt 3 and the second bolt 4 are uniformly arranged along the length direction of the inner head-on collision panel 1. When the bridge deck 12 is constructed, one end of the third bolt 5 is embedded inside the bridge deck 12, and the third bolts 5 are all uniformly arranged along the length direction of the bridge deck 12. In addition, in this embodiment, the first bolt 3, the second bolt 4, and the third bolt 5 are high-strength bolts, nominal diameters of the first bolt 3, the second bolt 4, and the third bolt 5 are not less than 16mm, and embedded lengths of the first bolt 3, the second bolt 4, and the third bolt 5 are not less than 6 times of the nominal diameter.
In this embodiment, as shown in fig. 2, in order to make two adjacent outer cover plates 2 more conveniently connected and improve the connection strength of the outer cover plates 2, two ends of each outer cover plate 2 are respectively provided with a plurality of fourth openings and a plurality of fifth openings, the connection position of any two adjacent outer cover plates 2 is provided with a connection assembly, the connection assembly comprises an inner connection plate 6 and an outer connection plate 13 which are respectively arranged at two inner and outer sides of each outer cover plate, the inner connection plate 6 is provided with a plurality of fourth bolts 7 and a plurality of fifth bolts 8, the outer connection plate 13 is provided with a plurality of sixth openings and a plurality of seventh openings, one fourth bolt 7 sequentially passes through one fourth opening and one sixth opening and is fastened through one fourth nut, and one fifth bolt 8 sequentially passes through one fifth opening and one seventh opening and is fastened through one fifth nut. When the inner connecting plate 6 is manufactured, one ends of the fourth bolt 7 and the fifth bolt 8 are welded on the inner connecting plate 6, the fourth bolt 7 and the fifth bolt 8 are evenly arranged along the height direction of the inner connecting plate 6, the fourth bolt 7 and the fifth bolt 8 are high-strength bolts, and the nominal diameters of the fourth bolt 7 and the fifth bolt 8 are not smaller than 16 mm. In addition, in the present embodiment, specifically, both the inner connecting plates 6 and the outer connecting plates 13 are steel plates.
In this embodiment, as shown in fig. 2, in order to facilitate connection of two adjacent internal impact panels 1 and increase the strength of the internal impact panels 1, the prefabricated assembly type light high-strength crash barrier further includes a first reinforcing rib 9, a second reinforcing rib 10 and a plurality of third reinforcing ribs 11, the first reinforcing rib 9 and the second reinforcing rib 10 are respectively disposed at two ends of the internal impact panels 1, the plurality of third reinforcing ribs 11 are uniformly disposed at one side of the internal impact panels 1 close to the outer cover plate 2 along the length direction of the internal impact panels 1, any two adjacent internal impact panels 1, and the first reinforcing rib 9 of one of the two is detachably connected with the second reinforcing rib 10 of the other one of the two adjacent internal impact panels 1. In this embodiment specifically, the prefabricated light-duty crashproof guardrail that excels in of bridge prefabricated assembly formula still includes a plurality of sixth bolts 14, has seted up a plurality of eighth trompils along its direction of height on the first reinforcing floor 9, has seted up a plurality of ninth trompils along its direction of height on the second reinforcing floor 10, eighth trompil and ninth trompil one-to-one, and an eighth trompil and ninth trompil are passed in proper order and are fastened through a sixth nut to the one end of a sixth bolt 14. The first reinforcing rib 9, the second reinforcing rib 10, and the third reinforcing rib 11 are cast integrally with the inner impact panel 1.
Further, in order to enable the connection stability of two adjacent inner impact panels 1 to be better, any two adjacent inner impact panels 1 have the first reinforcing rib 9 of one of the two connected to the second reinforcing rib 10 of the other connected by adhesive, and the adhesive in this embodiment is a class a adhesive.
In this embodiment, in order to improve the steadiness of this light-duty crashproof guardrail that excels in of prefabricated assembled of bridge, the hookup location of meeting and hitting panel 1 in arbitrary two adjacent all forms first seam, and the hookup location of arbitrary two adjacent outer apron 2 all forms the second seam, and first seam staggers with the second seam and arranges.
Further, the second joint location is grit blasted.
In this embodiment, in order to reduce the weight of the anti-collision guardrail of the bridge, the inner impact-facing panel 1 is an ultra-high performance concrete inner impact-facing panel, and the outer cover plate 2 is an ultra-high performance concrete outer cover plate. Compared with common concrete, the ultra-high performance concrete has high strength and toughness, and the cross section size and the dead weight of the ultra-high performance concrete crash barrier are small under the same strength and toughness requirements, so that the load of a bridge is effectively reduced, the service life of the bridge is prolonged, and meanwhile, the ultra-high performance concrete material can be in service for a long time in a strong corrosive environment without additional anticorrosion measures due to excellent durability. The strength grade of the ultra-high performance concrete in the embodiment is more than 140 MPa.
It should be noted that the prefabricated light high-strength crash barrier for bridge is not only suitable for bridge, but also suitable for other occasions, such as road crash barriers.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. The prefabricated assembly type light high-strength anti-collision guardrail is characterized by comprising an inner impact facing panel layer and an outer cover plate layer which are arranged in the front and at the back, wherein the inner impact facing panel layer comprises a plurality of inner impact facing panels which are arranged side by side along the length direction of a bridge, any two adjacent inner impact facing panels are detachably connected, the outer cover plate layer comprises a plurality of outer cover plates which are arranged side by side along the length direction of the bridge, any two adjacent outer cover plates are detachably connected, the bottom end of each inner impact facing panel is detachably connected with the bridge panel, the bottom end of each outer cover plate is detachably connected with the bottom end of the corresponding inner impact facing panel, and the top end of each outer cover plate is detachably connected with the top end of the corresponding inner impact facing panel.
2. The bridge prefabrication assembly type light high-strength anti-collision guardrail according to claim 1, wherein each inner head-on collision panel comprises a side plate body, a top plate and a bottom plate which are parallel to each other, the top plate and the bottom plate are perpendicular to the outer cover plate layer, one end, close to the outer cover plate layer, of the top plate is detachably connected with the top end of the corresponding outer cover plate, one end, close to the outer cover plate layer, of the bottom plate is detachably connected with the bottom end of the corresponding outer cover plate, two ends of the side plate body are respectively connected with one end, far away from the outer cover plate layer, of the top plate and one end, far away from the outer cover plate layer, of the bottom plate, and the bottom plate is detachably connected with the bridge panel.
3. The bridge prefabrication assembly type light high-strength anti-collision guardrail according to claim 2, wherein the side plate body comprises a straight side plate and an arc transition side plate which is concave towards the direction close to the outer cover plate layer, the length of the top plate is smaller than that of the bottom plate, one end of the straight side plate is perpendicular to the bottom plate and is fixedly connected with one end, far away from the outer cover plate layer, of the bottom plate, and the other end of the straight side plate is connected with one end, far away from the outer cover plate layer, of the top plate through the arc transition side plate.
4. The prefabricated and light-weight high-strength anti-collision guardrail for the bridge according to claim 2, wherein a plurality of first bolts are arranged at one end of the top plate close to the outer cover plate layer, a plurality of first holes are arranged at the top end of the outer cover plate, one first bolt passes through one first hole and is fastened through one first nut, a plurality of second bolts are arranged at one end of the bottom plate close to the outer cover plate layer, a plurality of second holes are arranged at the bottom end of the outer cover plate, one second bolt passes through one second hole and is fastened through one second nut, a plurality of third holes are further arranged on the bottom plate, a plurality of third bolts are arranged on the bridge deck plate, and one third bolt passes through one third hole and is fastened through one third nut.
5. The prefabricated and assembled light-weight and high-strength anti-collision guardrail for the bridge according to claim 1, wherein a plurality of fourth holes and a plurality of fifth holes are respectively formed in two ends of the outer cover plate, a connecting assembly is arranged at the connecting position of any two adjacent outer cover plates, the connecting assembly comprises an inner connecting plate and an outer connecting plate which are respectively arranged on the inner side and the outer side of the outer cover plate layer, a plurality of fourth bolts and a plurality of fifth bolts are arranged on the inner connecting plate, a plurality of sixth holes and a plurality of seventh holes are arranged on the outer connecting plate, one fourth bolt sequentially penetrates through one fourth hole and one sixth hole and is fastened through one fourth nut, and one fifth bolt sequentially penetrates through one fifth hole and one seventh hole and is fastened through one fifth nut.
6. The prefabricated and assembled type light high-strength anti-collision guardrail for the bridge according to claim 1, further comprising a first reinforcing rib, a second reinforcing rib and a plurality of third reinforcing ribs, wherein the first reinforcing rib and the second reinforcing rib are respectively arranged at two ends of the inner impact panel, the plurality of third reinforcing ribs are uniformly arranged on one side, close to the outer cover plate, of the inner impact panel along the length direction of the inner impact panel, any two adjacent inner impact panels, and the first reinforcing rib of one of the first reinforcing rib and the second reinforcing rib of the other one of the first reinforcing rib and the second reinforcing rib are detachably connected.
7. The prefabricated and assembled type light high-strength anti-collision guardrail for the bridge according to claim 1, wherein a first joint is formed at the connecting position of any two adjacent inner impact panels, a second joint is formed at the connecting position of any two adjacent outer cover plates, and the first joint and the second joint are arranged in a staggered mode.
8. The prefabricated, lightweight, high-strength crash barrier of claim 7 wherein said second seam location is grit blasted.
9. The prefabricated assembled light-weight high-strength anti-collision guardrail for the bridge according to any one of claims 1 to 8, wherein the inner impact-facing panel is an ultra-high performance concrete inner impact-facing panel, and the outer cover plate is an ultra-high performance concrete outer cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921986315.2U CN211142809U (en) | 2019-11-18 | 2019-11-18 | Prefabricated assembled light-duty crashproof guardrail that excels in of bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921986315.2U CN211142809U (en) | 2019-11-18 | 2019-11-18 | Prefabricated assembled light-duty crashproof guardrail that excels in of bridge |
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| CN211142809U true CN211142809U (en) | 2020-07-31 |
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| CN201921986315.2U Active CN211142809U (en) | 2019-11-18 | 2019-11-18 | Prefabricated assembled light-duty crashproof guardrail that excels in of bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725201A (en) * | 2019-11-18 | 2020-01-24 | 深圳市市政设计研究院有限公司 | Prefabricated assembled light-duty crashproof guardrail that excels in of bridge |
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2019
- 2019-11-18 CN CN201921986315.2U patent/CN211142809U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725201A (en) * | 2019-11-18 | 2020-01-24 | 深圳市市政设计研究院有限公司 | Prefabricated assembled light-duty crashproof guardrail that excels in of bridge |
| WO2021098113A1 (en) * | 2019-11-18 | 2021-05-27 | 深圳市市政设计研究院有限公司 | Prefabricated lightweight high-strength crash barrier for bridge |
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