CN209128925U - A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of steel plate connection - Google Patents
A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of steel plate connection Download PDFInfo
- Publication number
- CN209128925U CN209128925U CN201821135936.5U CN201821135936U CN209128925U CN 209128925 U CN209128925 U CN 209128925U CN 201821135936 U CN201821135936 U CN 201821135936U CN 209128925 U CN209128925 U CN 209128925U
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- China
- Prior art keywords
- prefabricated
- guardrail
- anticollision barrier
- steel
- main beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 114
- 239000010959 steel Substances 0.000 title claims abstract description 114
- 239000000463 material Substances 0.000 title claims abstract description 76
- 210000002435 tendon Anatomy 0.000 title claims abstract description 35
- 230000004888 barrier function Effects 0.000 claims abstract description 74
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 24
- 238000010008 shearing Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 4
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 7
- 239000003822 epoxy resin Substances 0.000 description 6
- 235000015110 jellies Nutrition 0.000 description 6
- 239000008274 jelly Substances 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a kind of steel plates to connect prefabricated assembled FRP tendons material concrete side crashproof guardrail, including prefabricated anticollision barrier and precast main beam, the prefabricated anticollision barrier is constituted by concrete prefabricated and is embedded with FRP tendons material in inside, regular reinforcement and angle steel, angle steel is located at prefabricated anticollision barrier bottom inside, precast main beam is pre-buried to have embedded bar and pre-embedded steel slab, by the way that reinforcing bar inside prefabricated anticollision barrier and angle steel are welded, and angle steel is welded with the prefabricated steel for being embedded in precast main beam, effectively prefabricated anticollision barrier can be connect with precast main beam integral, site operation is convenient, assembling degree is high, and, guardrail principal rod material uses the stronger FRP tendons material of tensile capacity, the sectional dimension of guardrail can be effectively reduced, to mitigate guardrail self weight, be conducive to bridge lighting.
Description
Technical field
The utility model relates to bridge construction technical field of structures, in particular to a kind of steel plate connects prefabricated assembled FRP
Muscle material concrete side crashproof guardrail.
Background technique
In recent years, rapid, assembling Green Bridges build theory and obtain significant progress, packaged type bridges lower junction
Structure, superstructure, affiliated facility are quickly grown.Guardrail is the important component of bridge, and conventional steel bar concrete guardrail is often adopted
With the binding of live reinforcing bar, concrete cast-in-situ construction, a large amount of reinforcing bar transport, processing operation are time-consuming and laborious, increase the construction period
And cost, and construction quality is difficult to control, and guardrail thickness of protection tier is easily caused to can not meet code requirement, so as to cause mixed
Solidifying soil face checking, the corrosion increased risk of internal reinforcing bar have seriously affected the durability of guardrail, and cast in situs causes dirt
It contaminates larger, does not meet the requirement of national development green building, in addition, traditional reinforcing bar guardrail sectional dimension is big, give bridge lighting
Bring problem.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of structures simply, easy construction, environmentally protective steel
Plate connects prefabricated assembled FRP tendons material concrete side crashproof guardrail.
Used technical solution to solve above-mentioned technical problem: a kind of steel plate connects prefabricated assembled FRP tendons material coagulation
Native side crashproof guardrail, including prefabricated anticollision barrier and precast main beam, the prefabricated anticollision barrier are made of simultaneously concrete prefabricated
It is embedded with FRP tendons material, regular reinforcement and angle steel in inside, the FRP tendons material includes being separately positioned on inside and outside prefabricated anticollision barrier
The longitudinal rib material of two sides and the guardrail principal rod material parallel with slope surface and longitudinally spaced arrangement, the regular reinforcement include guardrail
Distributing bar and welding auxiliary bar, the angle steel are located at prefabricated anticollision barrier bottom inside end face；The guardrail structure reinforcing bar
Setting is in prefabricated anticollision barrier bottom, and one end bends on the outside of prefabricated anticollision barrier and binds with longitudinal rib material and connects, the other end
Bending extends up on the inside of prefabricated anticollision barrier, extends in parallel with slope surface into internal；The welding auxiliary bar respectively with
Guardrail structure reinforcing bar, angle steel carry out two-sided welding, and the precast main beam is pre-buried with embedded bar and pre-embedded steel slab, described pre-buried
Steel plate is located at precast main beam top surface, and the pre-embedded steel slab and angle steel are welded to connect with by prefabricated anticollision barrier and precast main beam phase
Even.
Preferably, the guardrail principal rod material is divided into interior side rail principal rod material and outer side rail principal rod material, described interior
The diameter of side rail principal rod material is greater than the diameter of outer side rail principal rod material, the interior side rail principal rod material, outer side rail
Principal rod material binds with corresponding longitudinal reinforcement and connects.
Preferably, the angle steel is equipped with groove, is welded between the angle steel and pre-embedded steel slab using groove welding.
Preferably, junction steel plate, the junction steel plate and pre-embedded steel slab, angle steel are equipped between the pre-embedded steel slab and angle steel
Between pass through fillet weld connect.
Preferably, the precast main beam end upwardly extends the block to be formed with the cooperation positioning of prefabricated anticollision barrier, described
There is mortar bed, the pre-embedded steel slab protrudes precast main beam top surface predetermined altitude between precast main beam and prefabricated anticollision barrier.
Preferably, the prefabricated anticollision barrier bottom is equipped with shearing slot, and the precast main beam is equipped with matches with shearing slot build-in
The shear connector of conjunction has epoxy glue layer, the prefabricated anticollision barrier bottom between the prefabricated anticollision barrier and precast main beam
Portion is longitudinally spaced to be equipped with glue groove, and the prefabricated anticollision barrier bottom outer wall has baste.
Preferably, pvc pipe is also embedded with inside the prefabricated anticollision barrier.
Used technical solution to solve above-mentioned technical problem: a kind of steel plate connects prefabricated assembled FRP tendons material coagulation
Native side crashproof guardrail, including prefabricated anticollision barrier and precast main beam, the prefabricated anticollision barrier are made of simultaneously concrete prefabricated
It is embedded with FRP tendons material, regular reinforcement and angle steel in inside, the FRP tendons material includes being separately positioned on the inside of prefabricated anticollision barrier
And the longitudinal rib material of the guardrail principal rod material and longitudinally spaced arrangement parallel with slope surface, the regular reinforcement include guardrail stress
Reinforcing bar and welding auxiliary bar, the angle steel are located at prefabricated anticollision barrier bottom inside end face；The guardrail steel bar stress setting
It is on the outside of prefabricated anticollision barrier and parallel with slope surface, it bends and extends up respectively in prefabricated anticollision barrier two sides of the bottom, with slope
Face is extended in parallel into internal；The welding auxiliary bar carries out two-sided welding with guardrail steel bar stress, angle steel respectively, described pre-
Girder processed is pre-buried to have embedded bar and pre-embedded steel slab, and the pre-embedded steel slab is located at precast main beam top surface, the pre-embedded steel slab and
Angle steel is welded to connect so that prefabricated anticollision barrier to be connected with precast main beam.
The utility model has the advantages that
(1) the guardrail principal rod material inside prefabricated anticollision barrier uses the stronger FRP tendons material of tensile capacity, can be effectively
The sectional dimension of guardrail is reduced, to mitigate guardrail self weight, is conducive to bridge lighting, meanwhile, the corrosion resistance of FRP tendons material
It is good, the durability of guardrail is improved, and guardrail is built using assembled, provides guarantee to construction quality；
(2) by welding reinforcing bar inside prefabricated anticollision barrier and angle steel, and by angle steel be embedded in the pre- of precast main beam
Prefabricated anticollision barrier, can effectively connect integral by steel plate processed welding with precast main beam, and site operation is convenient, assembling degree
It is high；
(3) angle steel is arranged groove and is welded with pre-embedded steel slab using groove welding, can reduce the dosage of angle steel and pre-embedded steel slab,
Anticollision barrier impact resistance is improved simultaneously；
(4) block or shear connector of precast main beam end setting can effectively bear the horizontal force of anticollision barrier.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and examples；
Fig. 1 is the section structure diagram of the utility model first embodiment；
Fig. 2 is the side structure schematic diagram of the utility model first embodiment；
Fig. 3 is the partial enlargement structural representation of the utility model first embodiment；
Fig. 4 is the section structure diagram of the utility model second embodiment；
Fig. 5 is another section structure diagram of the utility model second embodiment；
Fig. 6 is the section structure diagram of the utility model 3rd embodiment.
Specific embodiment
Referring to figs. 1 to Fig. 5, the utility model steel plate connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, packet
Include prefabricated anticollision barrier 20 and precast main beam 10, prefabricated anticollision barrier 20 is constituted by concrete prefabricated and is embedded with FRP in inside
Muscle material 21, regular reinforcement 22 and angle steel 23.
Wherein, FRP tendons material 21 includes being separately positioned on inside and outside prefabricated anticollision barrier 20 and the guardrail parallel with slope surface
The longitudinal rib material 212 of principal rod material 211 and longitudinally spaced arrangement, FRP tendons material 21 have higher intensity, fatigue resistance with it is durable
Property is more preferable, it is contemplated that cost, preferably glass fiber-reinforced polymer.
Regular reinforcement 22 includes guardrail structure reinforcing bar 221 and welding auxiliary bar 222, and the setting of guardrail structure reinforcing bar 221 exists
Prefabricated 20 bottom of anticollision barrier, one end, which bends on the outside of prefabricated anticollision barrier 20 and binds with the longitudinal rib material of outer bending place, to be connected
Connect, the other end protects bending on the inside of 20 columns in prefabricated anticollision and extends up, continue one section extended it is parallel with slope surface and extend into
Inside prefabricated anticollision shield 20, welding auxiliary bar 222 is for guardrail structure reinforcing bar 221 and angle steel 23 to be welded to connect, angle steel 23
Positioned at the prefabricated 20 bottom end face Ying Zhuan of anticollision barrier, the end face outside of angle steel 23 is exposed outside, welds auxiliary bar 222 or so two
Side carries out two-sided welding with guardrail structure reinforcing bar 221, angle steel 23 respectively.Certainly, for convenience of element precast, angle steel 23 can be used
Thicker steel plate replacement, at this point it is possible to be not provided with welding auxiliary bar.
The sectional dimension of entire prefabricated anticollision barrier 20 can be according to FRP tendons material 21, the diameter of regular reinforcement 22, cloth
It sets spacing etc. suitably to be reduced, to mitigate the weight of prefabricated anticollision barrier 20, is convenient for prefabrication and lifting.
It wherein, is the dosage of reduction FRP tendons material to save cost, it is appropriate to increase between adjacent barrier principal rod material 211
Spacing distance divides guardrail principal rod material 211 for interior side rail principal rod material 2111 and outer side rail principal rod material 2112, inside
The diameter of guardrail principal rod material 2111 is greater than the diameter of outer side rail principal rod material 2112, interior side rail principal rod material 2111, outer
Side rail principal rod material 2112 binds with corresponding longitudinal reinforcement and connects.
Precast main beam 10 is pre-buried to have embedded bar 11 and pre-embedded steel slab 12, and embedded bar 11 is embedded in precast main beam completely
Inside 10, and for guarantee anchorage length by it to two lateral bends, pre-embedded steel slab 12 is located at 10 top surface of precast main beam.
When installation, mortar bed 30 is arranged in corresponding position first above precast main beam 10, to guarantee that mortar bed 30 has
Enough placement spaces, pre-embedded steel slab 12 protrude 10 certain altitude of precast main beam, then lift the prefabricated anticollision barrier 20, and
Diagonal steel 23 is welded to connect with pre-embedded steel slab 12, and prefabricated anticollision barrier 20 is connected with precast main beam 10.
Wherein, in order to reduce the dosage of angle steel 23 Yu pre-embedded steel slab 12, while anticollision barrier impact resistance is improved, lifted
It is preceding that in angle steel 23, groove is set, it is welded between angle steel 23 and pre-embedded steel slab 12 using groove welding.In addition, pre-embedded steel slab 12 and angle steel
Multiple junction steel plates 25 can also be set between 23, connected between junction steel plate 25 and pre-embedded steel slab 12, angle steel 23 by fillet weld
It connects.
10 end of precast main beam upwardly extends the block 13 to be formed with the cooperation positioning of prefabricated anticollision barrier 20, prefabricated to resist
The horizontal thrust of anticollision barrier 20.Drip 14 is set below 10 end of precast main beam, is configured inside drip 14 by construction
Reinforcing bar is simultaneously common prefabricated with precast main beam 10.
Certainly, to reduce bridge deck width, the setting of block 13 can be cancelled, and setting is cut in prefabricated 20 bottom of anticollision barrier
Power slot 26 and glue groove 27 out, the longitudinally spaced arrangement of glue groove 27 out, correspondingly, precast main beam 10 is equipped with matches with shearing 26 build-in of slot
The shear connector 15 of conjunction, and drip 14 is moved into 10 end of precast main beam.In prefabricated 20 bottom surface of anticollision barrier and precast main beam 10
Top surface, which is stayed, sets splicing seam, and being glued seam is preferably 3mm.
When installation, epoxy resin jelly is uniformly smeared in the corresponding top surface of precast main beam 10 first, epoxy resin jelly is thick
Degree is not less than 3mm, and shearing slot 26 is simultaneously aligned by subsequent hoisting prefabricated anticollision barrier 20 with shear connector 15, utilizes prefabricated anticollision barrier
20 self weight squeezes out epoxy resin jelly with glue groove 27 out, and epoxy resin jelly is formed by curing epoxy glue layer 16.It is prefabricated
20 bottom outer wall of anticollision barrier strikes off the extra epoxy resin of spilling along baste 28 after there is baste 28, epoxy resin jelly to squeeze out
Jelly, so that structure is more aesthetically pleasing.
Preferably, being also embedded with pvc pipe inside prefabricated anticollision barrier 20, street lamp electric wire or communications optical cable etc. can be convenient
The placement of wire rod, and mitigate the weight of prefabricated anticollision barrier 20.
Referring to Fig. 6, the utility model steel plate connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, and above-mentioned
Unlike embodiment, outer side rail principal rod material uses regular reinforcement, is guardrail steel bar stress 223, only interior side rail stress
Muscle material 2111 uses FRP tendons material, at this point, eliminating the guardrail structure reinforcing bar 221 positioned at bottom, the bottom of guardrail steel bar stress 223
End continues to extend, and bends respectively in prefabricated 20 two sides of the bottom of anticollision barrier, and it is parallel with slope surface to continue up extension in interior lateral bending folding
Into inside prefabricated anticollision barrier 20, welding auxiliary bar 222 left and right sides respectively with guardrail steel bar stress 223, angle steel 23 into
Row two-sided welding.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
State embodiment, within the scope of knowledge possessed by those of ordinary skill in the art, can also do not depart from it is practical
Various changes can be made under the premise of novel objective.
Claims (10)
1. a kind of steel plate connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, it is characterised in that: including prefabricated anticollision
Guardrail and precast main beam, the prefabricated anticollision barrier are constituted by concrete prefabricated and are embedded with FRP tendons material, regular reinforcement in inside
And angle steel, the FRP tendons material include being separately positioned on guardrail principal rod inside and outside prefabricated anticollision barrier and parallel with slope surface
The longitudinal rib material of material and longitudinally spaced arrangement, the regular reinforcement includes guardrail structure reinforcing bar and welds auxiliary bar, described
Angle steel is located at prefabricated anticollision barrier bottom inside end face；The guardrail structure steel-bar arrangement is in prefabricated anticollision barrier bottom, one end
It bends on the outside of prefabricated anticollision barrier and is bound with longitudinal rib material and connected, other end bending on the inside of prefabricated anticollision barrier extends to
On, it extends in parallel with slope surface into internal；The welding auxiliary bar carries out welding by both sides with guardrail structure reinforcing bar, angle steel respectively
It connects, the precast main beam is pre-buried to have embedded bar and pre-embedded steel slab, and the pre-embedded steel slab is located at precast main beam top surface, described pre-
Steel plate is buried to be welded to connect with angle steel prefabricated anticollision barrier to be connected with precast main beam.
2. steel plate according to claim 1 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, feature exists
In: the guardrail principal rod material is divided into interior side rail principal rod material and outer side rail principal rod material, the interior side rail principal rod
The diameter of material is greater than the diameter of outer side rail principal rod material, the interior side rail principal rod material, outer side rail principal rod material and phase
The longitudinal reinforcement binding connection answered.
3. steel plate according to claim 2 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, feature exists
In: the angle steel is equipped with groove, is welded between the angle steel and pre-embedded steel slab using groove welding.
4. steel plate according to claim 3 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, feature exists
In: it is equipped with junction steel plate between the pre-embedded steel slab and angle steel, passes through fillet welding between the junction steel plate and pre-embedded steel slab, angle steel
Seam connection.
5. the steel plate according to any one of claim 2-4 connects prefabricated assembled FRP tendons material concrete side crashproof
Guardrail, it is characterised in that: the precast main beam end upwardly extends the block to be formed with the cooperation positioning of prefabricated anticollision barrier, described
There is mortar bed between precast main beam and prefabricated anticollision barrier.
6. steel plate according to claim 5 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, feature exists
In: the pre-embedded steel slab protrudes precast main beam top surface predetermined altitude.
7. the steel plate according to any one of claim 2-4 connects prefabricated assembled FRP tendons material concrete side crashproof
Guardrail, it is characterised in that: the prefabricated anticollision barrier bottom is equipped with shearing slot, and the precast main beam is equipped with matches with shearing slot build-in
The shear connector of conjunction has epoxy glue layer, the prefabricated anticollision barrier bottom between the prefabricated anticollision barrier and precast main beam
Portion is longitudinally spaced to be equipped with glue groove.
8. steel plate according to claim 7 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, feature exists
In: the prefabricated anticollision barrier bottom outer wall has baste.
9. steel plate according to claim 1 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, feature exists
In: pvc pipe is also embedded with inside the prefabricated anticollision barrier.
10. a kind of steel plate connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, it is characterised in that: including prefabricated anti-
Hit guardrail and precast main beam, the prefabricated anticollision barrier is constituted by concrete prefabricated and is embedded with FRP tendons material, ordinary steel in inside
Muscle and angle steel, the FRP tendons material include being separately positioned on prefabricated anticollision barrier inside and the guardrail principal rod material parallel with slope surface
With the longitudinal rib material of longitudinally spaced arrangement, the regular reinforcement includes guardrail steel bar stress and welding auxiliary bar, the angle
Steel is located at prefabricated anticollision barrier bottom inside end face；The guardrail steel bar stress is arranged on the outside of prefabricated anticollision barrier and and slope surface
In parallel, it bends and extends up respectively in prefabricated anticollision barrier two sides of the bottom, extend in parallel with slope surface into internal；The welding
Auxiliary bar carries out two-sided welding with guardrail steel bar stress, angle steel respectively, and the precast main beam is pre-buried with embedded bar and pre-
Steel plate is buried, the pre-embedded steel slab is located at precast main beam top surface, and the pre-embedded steel slab is welded to connect with angle steel to protect prefabricated anticollision
Column is connected with precast main beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821135936.5U CN209128925U (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of steel plate connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821135936.5U CN209128925U (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of steel plate connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209128925U true CN209128925U (en) | 2019-07-19 |
Family
ID=67227334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821135936.5U Withdrawn - After Issue CN209128925U (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of steel plate connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209128925U (en) |
-
2018
- 2018-07-16 CN CN201821135936.5U patent/CN209128925U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190719 Effective date of abandoning: 20240123 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190719 Effective date of abandoning: 20240123 |