CN208830150U - A kind of half grout sleeve connection prefabricated assembled FRP tendons material concrete center anticollision barrier - Google Patents
A kind of half grout sleeve connection prefabricated assembled FRP tendons material concrete center anticollision barrier Download PDFInfo
- Publication number
- CN208830150U CN208830150U CN201821125240.4U CN201821125240U CN208830150U CN 208830150 U CN208830150 U CN 208830150U CN 201821125240 U CN201821125240 U CN 201821125240U CN 208830150 U CN208830150 U CN 208830150U
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- CN
- China
- Prior art keywords
- anticollision barrier
- prefabricated
- grout sleeve
- reinforcing bar
- half grout
- 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- Withdrawn - After Issue
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 63
- 239000011440 grout Substances 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 title claims abstract description 39
- 210000002435 tendon Anatomy 0.000 title claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 46
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- 239000004567 concrete Substances 0.000 claims abstract description 7
- 238000010008 shearing Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 7
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 5
- 235000015110 jellies Nutrition 0.000 description 5
- 239000008274 jelly Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 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
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model discloses a kind of half grout sleeves to connect prefabricated assembled FRP tendons material concrete center anticollision barrier, including prefabricated anticollision barrier and precast main beam, there is precast main beam the girder for extending and stretching out to connect reinforcing bar, prefabricated anticollision barrier is constituted by concrete prefabricated and is embedded with FRP tendons material in inside, regular reinforcement and half grout sleeve, by to grouting material is perfused inside half grout sleeve 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, using 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 half grout sleeve connects prefabrication and assembly construction
Formula FRP tendons material concrete center anticollision barrier.
Background technique
Anticollision barrier is the important component of bridge, and conventional steel bar concrete anticollision barrier is tied up frequently with live reinforcing bar
Prick, it is die-filling pour, need to spend a large amount of manpower and material resources to carry out reinforcing bar transports, bending and scene and bind, increase the construction period and
Cost, live reinforcing bar binding quality are difficult to control, and easily cause guardrail thickness of protection tier to can not meet code requirement, to lead
Concrete surface cracking is caused, the corrosion increased risk of internal reinforcing bar has seriously affected the durability of guardrail, and cast in situs is made
It is larger at polluting, the requirement of national development green building is not met, in addition, traditional reinforcing bar anticollision barrier sectional dimension is big, gives bridge
Beam lighting brings problem.In recent years, rapid, assembling Green Bridges build theory and obtain significant progress, assemble
Formula bridge substructure, superstructure, affiliated facility are quickly grown, while the high intensity of fibre reinforced composites, Gao Naijiu
Property keep its application in bridge structure more and more wider, assembled fibre reinforced composites concrete anti-collision guard bar set fibre
Dimension enhancing composite material and fabricated construction a little, have prefabricated, simple installation, the good feature of durability.
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 half
Grout sleeve connects prefabricated assembled FRP tendons material concrete center anticollision barrier.
Used technical solution to solve above-mentioned technical problem: a kind of half grout sleeve connects prefabricated assembled FRP tendons
Material concrete center anticollision barrier, including prefabricated anticollision barrier and precast main beam, the precast main beam are embedded with the girder of stretching
Connect reinforcing bar, the prefabricated anticollision barrier is constituted by concrete prefabricated and is embedded with FRP tendons material, regular reinforcement in inside and half fills
Sleeve is starched, the FRP tendons material includes 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 include that guardrail connects reinforcing bar, guardrail structure reinforcing bar and stirrup,
Half grout sleeve is distributed in side at left and right sides of prefabricated anticollision barrier bottom, and the stirrup is looped around outside half grout sleeve
Portion；Guardrail connection reinforcing bar is separately positioned on prefabricated anticollision barrier two sides and parallel with slope surface, and one end extends into inside, separately
One end is connect with half grout sleeve；The guardrail structure steel-bar arrangement is in prefabricated anticollision barrier bottom, and both ends are respectively at prefabricated anti-
It hits the bending of guardrail two sides to extend, and is welded with the stirrup outside half grout sleeve；The half grout sleeve top, bottom respectively correspond
With the opening for guardrail connection reinforcing bar, girder connection reinforcing bar insertion connection, half grout sleeve has underlying filling
Slurry mouth and the grout outlet that is located above, by perfusion grouting material inside half grout sleeve with by prefabricated anticollision barrier and prefabricated master
Beam is connected.
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.
Preferably, there is epoxy glue layer, the prefabricated anticollision shield between the prefabricated anticollision barrier and precast main beam
Column bottom is longitudinally spaced to be equipped with glue groove.
Preferably, there is mortar bed between the precast main beam and prefabricated anticollision barrier.
Preferably, the girder connection reinforcing bar of the precast main beam, which is divided into, protrudes into connection reinforcing bar and pre-buried connection reinforcing bar, described
Precast main beam is embedded with the jointing of top surface Yu precast main beam either flush, and the pre-buried connection reinforcing bar is embedded in precast main beam
Internal and top is fixedly connected with jointing, described to protrude into connection reinforcing bar bottom and jointing detachable connection.
Preferably, pvc pipe is also embedded with inside the prefabricated anticollision barrier.
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) reinforcing bar is connected by girder and protrudes into half grout sleeve being embedded in inside prefabricated anticollision barrier, solve full filling
Slurry length sleeve is too big and is not suitable for being embedded in the problem inside prefabricated anticollision barrier, can also effectively by prefabricated anticollision barrier with
Precast main beam connection is integral, and site operation is convenient, and assembling degree 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) shear connector being arranged above precast main beam top plate can effectively bear the horizontal force of prefabricated anticollision barrier, give anticollision
The prefabricated of guardrail provides 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 go out in the utility model first embodiment with glue groove；
Fig. 3 is the side structure schematic diagram of the utility model first embodiment；
Fig. 4 is the section structure diagram of the utility model second embodiment.
Specific embodiment
Referring to figs. 1 to Fig. 4, half grout sleeve of the utility model connects prefabricated assembled FRP tendons material concrete center anticollision
Guardrail, including prefabricated anticollision barrier 20 and precast main beam 10, precast main beam 10 has the connection reinforcing bar 11 for extending and stretching out, prefabricated anti-
Guardrail 20 is hit to be constituted by concrete prefabricated and be embedded with FRP tendons material 21, regular reinforcement 22 and half grout sleeve 23 in inside.
The pre-buried side at left and right sides of prefabricated 20 bottom of anticollision barrier of half grout sleeve 23.
FRP tendons material 21 includes being separately positioned on the prefabricated anticollision barrier left and right sides and the guardrail principal rod material parallel with slope surface
211 and longitudinally spaced arrangement longitudinal rib material 212, FRP tendons material 21 have higher intensity, fatigue resistance is more preferable with durability,
In view of cost, preferably glass fiber-reinforced polymer.
Regular reinforcement 22 includes that guardrail connection reinforcing bar 221, guardrail structure reinforcing bar 222 and stirrup 223, guardrail connect reinforcing bar
221 settings are in prefabricated 20 two sides of anticollision barrier and parallel with slope surface, and top extends into inside prefabricated anticollision barrier 20, and bottom end is prolonged
It stretches and is connected with half grout sleeve 23.Guardrail structure reinforcing bar 222 is arranged in prefabricated 20 bottom of anticollision barrier, and both ends are respectively at prefabricated
The bending of 20 two sides of anticollision barrier extends, and welds with the stirrup 223 outside half grout sleeve 23, and stirrup 223 is looped around half grouting set
Outside cylinder 23, to improve local pressure.
Half grout sleeve, 23 top, bottom respectively correspond to have and be inserted into for guardrail connection reinforcing bar 221, girder connection reinforcing bar 11
The opening of connection, the grout outlet 232 that half grout sleeve 23 has underlying grouting mouth 231 and is located above.
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.
Wherein, prefabricated 20 bottom of anticollision barrier is equipped with shearing slot 27, and prefabricated 20 bottom of anticollision barrier, which is additionally provided with to two sides, prolongs
That stretches goes out glue groove 28, out the longitudinally spaced arrangement of glue groove 28, and correspondingly, precast main beam 10 is equipped with and shearing 27 build-in of slot cooperation
Shear connector 15 is easy to lift positioning by shearing slot 27 and shear connector 15.
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 27 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 28 out, then by grouting mouth 231 to being perfused inside half grout sleeve 23
Grouting material, the length that girder connection reinforcing bar 11 is inserted into half grout sleeve 23 should meet anchorage length requirement, to grouting material from pulp
Grouting mouth 231 and grout outlet 232 are stoppered with rubber stopper after 232 spilling of mouth, completes prefabricated anticollision barrier 20 and precast main beam 10
Connection, wherein epoxy resin jelly is formed by curing epoxy glue layer 16.
To reduce installation difficulty, seam will be glued and be changed to splicing seams, splicing seams thickness is preferably 20mm, and by epoxy resin
Jelly is changed to cement mortar, to form mortar bed 17, cancels the setting of glue groove 28 out at this time.
Preferably, girder connection reinforcing bar 11 is divided to protrude into connection reinforcing bar 111 and 112 two sections of connection reinforcing bar pre-buried, it is prefabricated
Girder 10 is embedded with the jointing 14 of top surface Yu precast main beam either flush, and pre-buried connection reinforcing bar 112 is embedded in precast main beam
Inside, and 112 top of pre-buried connection reinforcing bar is fixedly connected with jointing 14, protrudes into connection 111 bottom of reinforcing bar and jointing
14 detachable connections, are preferably threaded, and girder connects two sections of settings of reinforcing bar 11, and it is prefabricated to can be convenient precast main beam 10
Storage transport after the completion when site operation, protrudes into connection reinforcing bar 111 and is connected to jointing 14, then protect prefabricated anticollision
Column 20 lifts in place, finally to grouting material is perfused inside half grout sleeve 23.
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.
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 (6)
1. a kind of half grout sleeve connects prefabricated assembled FRP tendons material concrete center anticollision barrier, it is characterised in that: including pre-
Anticollision barrier processed and precast main beam, the precast main beam be embedded with stretching girder connection reinforcing bar, the prefabricated anticollision barrier by
Concrete prefabricated composition is simultaneously embedded with FRP tendons material, regular reinforcement and half grout sleeve in inside, and the FRP tendons material includes difference
It is arranged in inside and outside prefabricated anticollision barrier and the longitudinal rib of the guardrail principal rod material parallel with slope surface and longitudinally spaced arrangement
Material, the regular reinforcement include guardrail connection reinforcing bar, guardrail structure reinforcing bar and stirrup, and half grout sleeve is distributed in prefabricated anti-
Side at left and right sides of guardrail bottom is hit, the stirrup is looped around outside half grout sleeve；The guardrail connection reinforcing bar is respectively set
In prefabricated anticollision barrier two sides and parallel with slope surface, one end extends into inside, and the other end is connect with half grout sleeve；The shield
In prefabricated anticollision barrier bottom, both ends are bent respectively at prefabricated anticollision barrier two sides to be extended the setting of column distributing bar, and is filled with half
Starch the stirrup welding outside sleeve；The half grout sleeve top, bottom respectively correspond to have and connect for guardrail connection reinforcing bar, girder
The opening of reinforcing bar insertion connection, the grout outlet that half grout sleeve has underlying grouting mouth and is located above pass through
Grouting material is perfused inside to half grout sleeve so that prefabricated anticollision barrier to be connected with precast main beam.
2. half grout sleeve according to claim 1 connects prefabricated assembled FRP tendons material concrete center anticollision barrier,
Be characterized in that: the prefabricated anticollision barrier bottom is equipped with shearing slot, and the precast main beam is equipped with cuts with what shearing slot build-in cooperated
Power key.
3. half grout sleeve according to claim 2 connects prefabricated assembled FRP tendons material concrete center anticollision barrier,
It is characterized in that: there is epoxy glue layer, the prefabricated anticollision barrier bottom between the prefabricated anticollision barrier and precast main beam
It is longitudinally spaced to be equipped with glue groove.
4. half grout sleeve according to claim 2 connects prefabricated assembled FRP tendons material concrete center anticollision barrier,
It is characterized in that: there is mortar bed between the precast main beam and prefabricated anticollision barrier.
5. half grout sleeve according to claim 1 connects prefabricated assembled FRP tendons material concrete center anticollision barrier,
Be characterized in that: the girder connection reinforcing bar of the precast main beam, which is divided into, protrudes into connection reinforcing bar and pre-buried connection reinforcing bar, the prefabricated master
Beam is embedded with the 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 is fixedly connected with jointing, described to protrude into connection reinforcing bar bottom and jointing detachable connection.
6. half grout sleeve according to claim 1 connects prefabricated assembled FRP tendons material concrete center anticollision barrier,
It is characterized in that: being also embedded with pvc pipe inside the prefabricated anticollision barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125240.4U CN208830150U (en) | 2018-07-16 | 2018-07-16 | A kind of half grout sleeve connection prefabricated assembled FRP tendons material concrete center anticollision barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125240.4U CN208830150U (en) | 2018-07-16 | 2018-07-16 | A kind of half grout sleeve connection prefabricated assembled FRP tendons material concrete center anticollision barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208830150U true CN208830150U (en) | 2019-05-07 |
Family
ID=66306723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821125240.4U Withdrawn - After Issue CN208830150U (en) | 2018-07-16 | 2018-07-16 | A kind of half grout sleeve connection prefabricated assembled FRP tendons material concrete center anticollision barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208830150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797343A (en) * | 2018-07-16 | 2018-11-13 | 广州市市政工程设计研究总院有限公司 | A kind of half grout sleeve connection prefabricated assembled FRP tendons material concrete center anticollision barrier |
-
2018
- 2018-07-16 CN CN201821125240.4U patent/CN208830150U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797343A (en) * | 2018-07-16 | 2018-11-13 | 广州市市政工程设计研究总院有限公司 | A kind of half grout sleeve connection prefabricated assembled FRP tendons material concrete center anticollision barrier |
| CN108797343B (en) * | 2018-07-16 | 2024-05-07 | 广州市市政工程设计研究总院有限公司 | Semi-grouting sleeve connection prefabricated FRP reinforcement concrete central anti-collision guardrail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190507 Effective date of abandoning: 20240507 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190507 Effective date of abandoning: 20240507 |