CN208830226U - A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection - Google Patents
A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection Download PDFInfo
- Publication number
- CN208830226U CN208830226U CN201821125158.1U CN201821125158U CN208830226U CN 208830226 U CN208830226 U CN 208830226U CN 201821125158 U CN201821125158 U CN 201821125158U CN 208830226 U CN208830226 U CN 208830226U
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- CN
- China
- Prior art keywords
- guardrail
- prefabricated
- anticollision barrier
- main beam
- reinforcing bar
- 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- Withdrawn - After Issue
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- 239000000463 material Substances 0.000 title claims abstract description 86
- 210000002435 tendon Anatomy 0.000 title claims abstract description 36
- 239000004567 concrete Substances 0.000 title claims abstract description 24
- 230000004888 barrier function Effects 0.000 claims abstract description 70
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 45
- 239000002184 metal Substances 0.000 claims abstract description 38
- 230000002787 reinforcement Effects 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 230000010412 perfusion Effects 0.000 claims description 4
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000011372 high-strength concrete Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 2
- 238000005345 coagulation Methods 0.000 claims 2
- 230000007123 defense Effects 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 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 4
- 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
- 238000011161 development Methods 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
- 239000011440 grout 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
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000011374 ultra-high-performance concrete 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 grouting of guardrail to connect prefabricated assembled FRP tendons material concrete side crashproof guardrail, including prefabricated anticollision barrier and precast main beam, precast main beam has the connection reinforcing bar for extending and stretching out, prefabricated anticollision barrier is constituted by concrete prefabricated and is embedded with FRP tendons material in inside, regular reinforcement and metal bellows, in the connection reinforcing bar insertion metal bellows of stretching, by to grouting material is perfused inside metal bellows so that prefabricated anticollision barrier to be connected with precast main beam, effectively prefabricated anticollision barrier is 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 guardrail grouting connection is prefabricated assembled
FRP tendons 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 shield
Column grouting connects prefabricated assembled FRP tendons material concrete side crashproof guardrail.
Used technical solution to solve above-mentioned technical problem: a kind of guardrail grouting connects prefabricated assembled FRP tendons material
Concrete side crashproof guardrail, including prefabricated anticollision barrier and precast main beam, the precast main beam have the connection for extending and stretching out
Reinforcing bar, the prefabricated anticollision barrier are constituted by concrete prefabricated and are embedded with FRP tendons material, regular reinforcement and wavy metal in inside
Pipe, the FRP tendons material include be separately positioned on inside and outside prefabricated anticollision barrier and the guardrail principal rod material parallel with slope surface and
The longitudinal rib material of longitudinally spaced arrangement, the regular reinforcement include guardrail structure reinforcing bar and stirrup, and the metal bellows passes through
It wears and is embedded in prefabricated anticollision barrier medial end, the stirrup is looped around outside metal bellows；The guardrail structure reinforcing bar is set
It sets in prefabricated anticollision barrier bottom, one end bends and binds with longitudinal rib material in prefabricated anticollision barrier outside and connects, the other end
Bending extends welds with the stirrup outside metal bellows；The connection reinforcing bar protrudes into inside metal bellows, by metal wave
Perfusion grouting material is inside line pipe prefabricated anticollision barrier to be connected with precast main beam.
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
The top binding connection of principal rod material simultaneously binds connection with corresponding longitudinal reinforcement.
Preferably, the connection reinforcing bar of the precast main beam, which is divided into, protrudes into connection reinforcing bar and pre-buried connection reinforcing bar, described prefabricated
Girder is embedded with the jointing of top surface Yu precast main beam either flush, and the pre-buried connection reinforcing bar is embedded in inside precast main beam
And top is fixedly connected with jointing, it is described to protrude into connection reinforcing bar bottom and jointing detachable connection.
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 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.The prefabricated anticollision barrier bottom outer wall has baste.
Preferably, pvc pipe is also embedded with inside the prefabricated anticollision barrier.
Preferably, the grouting material uses ultra high strength concrete.
Used technical solution to solve above-mentioned technical problem: a kind of guardrail grouting connects prefabricated assembled FRP tendons material
Concrete side crashproof guardrail, including prefabricated anticollision barrier and precast main beam, the precast main beam have the connection for extending and stretching out
Reinforcing bar, the prefabricated anticollision barrier are constituted by concrete prefabricated and are embedded with FRP tendons material, regular reinforcement and wavy metal in inside
Pipe, the FRP tendons material include being separately positioned on the inside of prefabricated anticollision barrier and the guardrail principal rod material parallel with slope surface and along vertical
To spaced apart longitudinal rib material, the regular reinforcement includes guardrail steel bar stress and stirrup, and the metal bellows is through pre-
It is embedded in prefabricated anticollision barrier medial end, the stirrup is looped around outside metal bellows；The guardrail steel bar stress setting exists
It is on the outside of prefabricated anticollision barrier and parallel with slope surface, extension and and metal bellows are bent respectively in prefabricated anticollision barrier two sides of the bottom
Outer stirrup welding；The connection reinforcing bar protrudes into inside metal bellows, by perfusion grouting material inside metal bellows with
Prefabricated anticollision barrier is 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) metal bellows being embedded in inside prefabricated anticollision barrier is protruded by connecting reinforcing bar, and superhigh intensity is perfused
Prefabricated anticollision barrier, can also effectively connect integral by concrete with precast main beam, and site operation is convenient, assembling degree
It is high；
(3) connection reinforcing bar is divided into two sections, and carries out live spreading by jointing, convenient for the storage of prefabricated anticollision barrier
It stacks, and mechanical connection can meet steel bar force transfer needs；
(4) block of precast main beam end setting can effectively bear the horizontal force of prefabricated anticollision barrier, to anticollision barrier
It is prefabricated to provide possibility.
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 section structure diagram of the utility model second embodiment；
Fig. 3 is the section structure diagram go out in the utility model second embodiment with glue groove；
Fig. 4 is the section structure diagram of the utility model 3rd embodiment.
Specific embodiment
Referring to figs. 1 to Fig. 3, the grouting of the utility model guardrail connects prefabricated assembled FRP tendons material concrete side crashproof shield
Column, including prefabricated anticollision barrier 20 and precast main beam 10, precast main beam 10 have the connection reinforcing bar 11 for extending and stretching out, prefabricated anticollision
Guardrail 20 is constituted by concrete prefabricated and is embedded with FRP tendons material 21, regular reinforcement 22 and metal bellows 23 in inside.
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 stirrup 222, and metal bellows 23, which runs through, is embedded in prefabricated anticollision
20 medial end of guardrail, the top and bottom of metal bellows 23 all have opening, and stirrup 222 is looped around outside metal bellows 23
Portion, to improve local pressure, guardrail structure reinforcing bar 221 is arranged in prefabricated 20 bottom of anticollision barrier, and one end is in prefabricated anticollision barrier
The bending of 20 outsides simultaneously binds connection with the longitudinal rib material 212 of the bending place, and other end bending continues extension and metal bellows
Stirrup 222 outside 23 welds.
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.
When installation, mortar bed 30 is arranged in corresponding position first above precast main beam 10, later hoisting prefabricated anticollision shield
Connection reinforcing bar 11 is simultaneously inserted into metal bellows 23 by column 20, grouting material then is perfused by 23 top opening of metal bellows, even
Anchorage length requirement should be met by connecing reinforcing bar 11 and being inserted into the length of metal bellows 23, with mortar by prefabricated anticollision barrier 20 after grouting
Surface smoothes out.Grouting material selects UHPC material.
10 end of precast main beam upwardly extends the block 12 to be formed with the cooperation positioning of prefabricated anticollision barrier 20, prefabricated to resist
The horizontal thrust of anticollision barrier 20.Drip 13 is set below 10 end of precast main beam, is configured inside drip 13 by construction
Reinforcing bar is simultaneously common prefabricated with precast main beam 10.
It wherein, is the dosage of reduction FRP tendons material 21 to save cost, it is appropriate to increase between adjacent barrier principal rod material 211
Spacing distance, guardrail principal rod material 211 is divided for interior side rail principal rod material 2111 and outer side rail principal rod material 2112, it is interior
The diameter of side rail principal rod material 2111 be greater than outer side rail principal rod material 2112 diameter, interior side rail principal rod material 2111,
Outer side rail principal rod material 2112 binds with corresponding longitudinal reinforcement and connects.
Certainly, to reduce bridge deck width, the setting of block 12 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 13 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. 4, half grout sleeve of the utility model connects prefabricated assembled FRP tendons material side crashproof guard bar structure, with
Unlike above-described embodiment, outer side rail principal rod material uses regular reinforcement, is guardrail steel bar stress 223, only interior side rail
Principal rod material 2111 uses FRP tendons material, at this point, eliminating the guardrail structure reinforcing bar 221 positioned at bottom, guardrail steel bar stress 223
Bottom end continue to extend, bent respectively inside and outside prefabricated 20 bottom of anticollision barrier it is subsequent renew stretch with outside metal bellows 23
Stirrup 222 weld.
Preferably, connection reinforcing bar 11 is divided to protrude into connection reinforcing bar 111 and 112 two sections of connection reinforcing bar pre-buried, precast main beam
10 are embedded with the jointing 14 of top surface Yu precast main beam either flush, and pre-buried connection reinforcing bar 112 is embedded in inside precast main beam,
And pre-buried 112 top of connection reinforcing bar is fixedly connected with jointing 14, protrudes into connection 111 bottom of reinforcing bar and jointing 14 is removable
Unload formula connection, be preferably threaded, two sections of reinforcing bar 11 settings of connection, can be convenient precast main beam 10 it is prefabricated after the completion of deposit
It puts transport, when site operation, protrudes into connection reinforcing bar 111 and be connected to jointing 14, be then lifted into prefabricated anticollision barrier 20
Position, finally to grouting material is perfused inside metal bellows 23.
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 (9)
1. a kind of guardrail grouting connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, it is characterised in that: including prefabricated
Anticollision barrier and precast main beam, the precast main beam have the connection reinforcing bar for extending and stretching out, and the prefabricated anticollision barrier is by coagulation
The prefabricated composition of soil is simultaneously embedded with FRP tendons material, regular reinforcement and metal bellows in inside, and the FRP tendons material includes being respectively set
Inside and outside prefabricated anticollision barrier and the longitudinal rib material of the guardrail principal rod material parallel with slope surface and longitudinally spaced arrangement, institute
Stating regular reinforcement includes guardrail structure reinforcing bar and stirrup, and the metal bellows, which runs through, is embedded in prefabricated anticollision barrier inner end
Portion, the stirrup are looped around outside metal bellows；The guardrail structure steel-bar arrangement in prefabricated anticollision barrier bottom, one end in
Prefabricated anticollision barrier outside bending simultaneously binds connection with longitudinal rib material, and other end bending extends and the stirrup outside metal bellows
Welding；The connection reinforcing bar protrudes into inside metal bellows, by perfusion grouting material inside metal bellows prefabricated will prevent
Guardrail is hit to be connected with precast main beam.
2. guardrail grouting according to claim 1 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, special
Sign is: 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 by
The diameter of power muscle 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
Top binding connection and with corresponding longitudinal reinforcement bind connect.
3. guardrail grouting according to claim 2 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, special
Sign is: the connection reinforcing bar of the precast main beam be divided into protrude into connection reinforcing bar and pre-buried connection reinforcing bar, the precast main beam it is pre-buried
Have a jointing of top surface Yu precast main beam either flush, the pre-buried connection reinforcing bar be embedded in inside precast main beam and top with
Jointing is fixedly connected, described to protrude into connection reinforcing bar bottom and jointing detachable connection.
4. guardrail grouting according to claim 1 to 3 connects prefabricated assembled FRP tendons material concrete side frontier defense
Hit 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, institute
Stating has mortar bed between precast main beam and prefabricated anticollision barrier.
5. guardrail grouting according to claim 1 to 3 connects prefabricated assembled FRP tendons material concrete side frontier defense
Hit guardrail, it is characterised in that: the prefabricated anticollision barrier bottom is equipped with shearing slot, and the precast main beam is equipped with and shearing slot build-in
The shear connector of cooperation has epoxy glue layer, the prefabricated anticollision barrier between the prefabricated anticollision barrier and precast main beam
Bottom is longitudinally spaced to be equipped with glue groove.
6. guardrail grouting according to claim 5 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, special
Sign is: the prefabricated anticollision barrier bottom outer wall has baste.
7. guardrail grouting according to claim 1 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, special
Sign is: being also embedded with pvc pipe inside the prefabricated anticollision barrier.
8. guardrail grouting according to claim 1 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, special
Sign is: the grouting material uses ultra high strength concrete.
9. a kind of guardrail grouting connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, it is characterised in that: including prefabricated
Anticollision barrier and precast main beam, the precast main beam have the connection reinforcing bar for extending and stretching out, and the prefabricated anticollision barrier is by coagulation
The prefabricated composition of soil is simultaneously embedded with FRP tendons material, regular reinforcement and metal bellows in inside, and the FRP tendons material includes being respectively set
It is described general on the inside of prefabricated anticollision barrier and the longitudinal rib material of the guardrail principal rod material parallel with slope surface and longitudinally spaced arrangement
Logical reinforcing bar includes guardrail steel bar stress and stirrup, and the metal bellows, which runs through, is embedded in prefabricated anticollision barrier medial end, institute
Stirrup is stated to be looped around outside metal bellows；The guardrail steel bar stress is arranged on the outside of prefabricated anticollision barrier and puts down with slope surface
Row bends respectively in prefabricated anticollision barrier two sides of the bottom and extends and weld with the stirrup outside metal bellows；The connection reinforcing bar
Protrude into inside metal bellows, by perfusion grouting material inside metal bellows with by prefabricated anticollision barrier and precast main beam phase
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125158.1U CN208830226U (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125158.1U CN208830226U (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208830226U true CN208830226U (en) | 2019-05-07 |
Family
ID=66306691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821125158.1U Withdrawn - After Issue CN208830226U (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208830226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867481A (en) * | 2018-07-16 | 2018-11-23 | 广州市市政工程设计研究总院有限公司 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection |
-
2018
- 2018-07-16 CN CN201821125158.1U patent/CN208830226U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867481A (en) * | 2018-07-16 | 2018-11-23 | 广州市市政工程设计研究总院有限公司 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection |
| CN108867481B (en) * | 2018-07-16 | 2024-01-23 | 广州市市政工程设计研究总院有限公司 | Prefabricated assembled FRP muscle material concrete side anticollision barrier is connected in guardrail grout |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190507 Effective date of abandoning: 20240123 |
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