CN108867483A - A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of half grout sleeve connection - Google Patents
A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of half grout sleeve connection Download PDFInfo
- Publication number
- CN108867483A CN108867483A CN201810788445.9A CN201810788445A CN108867483A CN 108867483 A CN108867483 A CN 108867483A CN 201810788445 A CN201810788445 A CN 201810788445A CN 108867483 A CN108867483 A CN 108867483A
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- guardrail
- anticollision barrier
- grout sleeve
- 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- Withdrawn
Links
- 239000000463 material Substances 0.000 title claims abstract description 83
- 239000011440 grout Substances 0.000 title claims abstract description 64
- 210000002435 tendon Anatomy 0.000 title claims abstract description 34
- 230000004888 barrier function Effects 0.000 claims abstract description 74
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 54
- 230000002787 reinforcement Effects 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 2
- 239000008267 milk Substances 0.000 claims 1
- 210000004080 milk Anatomy 0.000 claims 1
- 235000013336 milk Nutrition 0.000 claims 1
- 238000010276 construction Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 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
- 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
- 230000010412 perfusion Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
- E01F15/081—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material
- E01F15/083—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material using concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/18—Spacers of metal or substantially of metal
Abstract
The invention discloses a kind of half grout sleeves to connect prefabricated assembled FRP tendons material concrete side crashproof guardrail, 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 present invention relates to bridge construction technical field of structures, in particular to a kind of half grout sleeve 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.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of structures simply, easy construction, half environmentally protective grouting
The prefabricated assembled FRP tendons material concrete side crashproof guardrail of sleeve connection.
Used technical solution to solve above-mentioned technical problem：A kind of prefabricated assembled FRP tendons of half grout sleeve connection
Material concrete side crashproof guardrail, 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 located at prefabricated anticollision barrier bottom inside, and the stirrup is looped around outside half grout sleeve；The guardrail
It is on the inside of prefabricated anticollision barrier and parallel with slope surface to connect steel-bar arrangement, one end extends into inside, and the other end is covered with half grouting
Cylinder connection；The guardrail structure steel-bar arrangement is bent simultaneously in prefabricated anticollision barrier bottom, one end in prefabricated anticollision barrier outside
It binds and connects with longitudinal rib material, other end bending extends welds with the stirrup outside half grout sleeve；At the top of half grout sleeve,
Bottom is respectively corresponded with the opening connected is inserted into for guardrail connection reinforcing bar, girder connection reinforcing bar, and half grout sleeve has
Underlying grouting mouth and the grout outlet that is located above, by perfusion grouting material inside half grout sleeve with by prefabricated anticollision
Guardrail is 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 rib material.
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, 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, 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 prefabricated assembled FRP tendons of half grout sleeve connection
Material concrete side crashproof guardrail, 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
Starch sleeve, the FRP tendons material include be separately positioned on the inside of 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 includes that guardrail connects reinforcing bar, guardrail steel bar stress and stirrup, described
Half grout sleeve is located at prefabricated anticollision barrier bottom inside, and the stirrup is looped around outside half grout sleeve；The guardrail connection
Steel-bar arrangement is on the inside of prefabricated anticollision barrier and parallel with slope surface, and one end extends into inside, and the other end and half grout sleeve connect
It connects；The guardrail steel bar stress setting is on the outside of prefabricated anticollision barrier and parallel with slope surface, in prefabricated anticollision barrier two sides of the bottom
Bending extends and welds with the stirrup outside half grout sleeve respectively；The half grout sleeve top, bottom respectively correspond to have and supply
Guardrail connect reinforcing bar, girder connection reinforcing bar insertion connection opening, half grout sleeve have underlying grouting mouth with
The grout outlet being located above, by perfusion grouting material inside half grout sleeve with by prefabricated anticollision barrier and precast main beam phase
Even.
Beneficial effect：
(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) 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 present invention is described further with reference to the accompanying drawings and examples；
Fig. 1 is the section structure diagram of first embodiment of the invention；
Fig. 2 is the side structure schematic diagram of first embodiment of the invention；
Fig. 3 is the section structure diagram of second embodiment of the invention；
Fig. 4 is the section structure diagram go out in second embodiment of the invention with glue groove；
Fig. 5 is the section structure diagram of third embodiment of the invention.
Specific embodiment
Referring to figs. 1 to Fig. 4, half grout sleeve of the present invention connects prefabricated assembled FRP tendons material concrete side crashproof 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 anticollision shield
Column 20 is constituted by concrete prefabricated and is embedded with FRP tendons material 21, regular reinforcement 22 and half grout sleeve 23 in inside.
Wherein, half grout sleeve 23 is pre-buried positioned at prefabricated 20 bottom inside of anticollision barrier.
FRP tendons material 21 includes being separately positioned on the inside and outside two sides of prefabricated anticollision barrier and the guardrail principal rod parallel with slope surface
The longitudinal rib material 212 of material 211 and longitudinally spaced arrangement, FRP tendons material 21 have higher intensity, and fatigue resistance and durability are more
It is good, it is contemplated that 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 on the inside of prefabricated anticollision barrier 20 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 one end is in prefabricated anticollision
The bending of 20 outside of guardrail simultaneously binds connection with the longitudinal rib material 212 of the bending place, and other end bending continues to extend and half grouting
Stirrup 223 outside sleeve 23 welds, and stirrup 223 is looped around outside half grout sleeve 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 also 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
Girder is simultaneously connected reinforcing bar 11 from the insertion of the bottom opening of half grout sleeve 23 by column 20, then passes through grouting mouth 231 to half grouting
Grouting material is perfused inside sleeve 23, the length that girder connection reinforcing bar 11 is inserted into half grout sleeve 223 should meet anchorage length requirement,
Grouting mouth 231 and grout outlet 232 are stoppered with rubber stopper after grouting material is from the spilling of grout outlet 232.
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.
Wherein, suitably increase the spacing distance between adjacent barrier principal rod material 211, guardrail principal rod material 211 is divided be
The diameter of interior side rail principal rod material 2111 and outer side rail principal rod material 2112, interior side rail principal rod material 2111 is greater than outside
The top binding of the diameter of guardrail principal rod material 2112, interior side rail principal rod material 2111, outer side rail principal rod material 2112 connects
It connects and is bound with the longitudinal rib material 212 of corresponding position and connected.
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 threadedly coupled, 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.
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 27 and glue groove 28 out, the longitudinally spaced arrangement of glue groove 28 out, correspondingly, precast main beam 10 is equipped with matches with shearing 27 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 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, 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 29 after there is baste 29, 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. 5, half grout sleeve of the present invention connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, and upper
State unlike embodiment, it is guardrail steel bar stress 224 that outer side rail principal rod material, which uses regular reinforcement, only in side rail by
Power muscle material 2111 uses FRP tendons material, at this point, the guardrail structure reinforcing bar 222 positioned at bottom is eliminated, guardrail steel bar stress 224
Bottom end continues to extend, inside and outside prefabricated 20 bottom of anticollision barrier respectively bending and with the stirrup 223 outside half grout sleeve 23
Welding.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party
Formula within the scope of knowledge possessed by those of ordinary skill in the art can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (8)
1. a kind of half grout sleeve connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, 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 that guardrail connection reinforcing bar, guardrail structure reinforcing bar and stirrup, half grout sleeve are located at prefabricated anticollision
On the inside of guardrail bottom, the stirrup is looped around outside half grout sleeve；The guardrail connection steel-bar arrangement is in prefabricated anticollision barrier
Inside is simultaneously parallel with slope surface, and one end extends into inside, and the other end is connect with half grout sleeve；The guardrail structure steel-bar arrangement
In prefabricated anticollision barrier bottom, one end bends and binds with longitudinal rib material in prefabricated anticollision barrier outside and connects, and the other end is curved
Folding extends to be welded with the stirrup outside half grout sleeve；The half grout sleeve top, bottom respectively correspond to have and connect for guardrail
The opening that reinforcing bar, girder connection reinforcing bar insertion connect, half grout sleeve have underlying grouting mouth and are located above
Grout outlet, by grouting material is perfused inside 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 side crashproof guardrail,
It is characterized in that：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
The diameter of 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
The top binding connection of material simultaneously binds connection with corresponding longitudinal rib material.
3. half grout sleeve according to claim 2 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail,
It is 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.
4. half grout sleeve according to claim 2 or 3 connects prefabricated assembled FRP tendons material concrete side crashproof shield
Column, 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 pre-
There is mortar bed between girder processed and prefabricated anticollision barrier.
5. half grout sleeve according to claim 2 or 3 connects prefabricated assembled FRP tendons material concrete side crashproof shield
Column, 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 cooperation
Shear connector, between the prefabricated anticollision barrier and precast main beam have epoxy glue layer, the prefabricated anticollision barrier bottom
It is longitudinally spaced to be equipped with glue groove.
6. half grout sleeve according to claim 5 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail,
It is characterized in that：The prefabricated anticollision barrier bottom outer wall has baste.
7. half grout sleeve according to claim 1 connects prefabricated assembled FRP tendons material concrete side crashproof guardrail,
It is characterized in that：Pvc pipe is also embedded with inside the prefabricated anticollision barrier.
8. a kind of half grout sleeve connects prefabricated assembled FRP tendons material concrete side crashproof guardrail, 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 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, institute
Stating regular reinforcement includes that guardrail connection reinforcing bar, guardrail steel bar stress and stirrup, half grout sleeve are located at prefabricated anticollision barrier
Bottom inside, the stirrup are looped around outside half grout sleeve；The guardrail connection steel-bar arrangement is on the inside of prefabricated anticollision barrier
And it is parallel with slope surface, one end extends into inside, and the other end is connect with half grout sleeve；The guardrail steel bar stress is arranged pre-
It is simultaneously parallel with slope surface on the outside of anticollision barrier processed, in prefabricated anticollision barrier two sides of the bottom bend respectively extend and with outside half grout sleeve
Stirrup welding；The half grout sleeve top, bottom, which respectively correspond, to be had for guardrail connection reinforcing bar, girder connection reinforcing bar insertion
The opening of connection, the grout outlet that half grout sleeve has underlying grouting mouth and is located above, by being in the milk to half
Grouting material is perfused so that prefabricated anticollision barrier to be connected with precast main beam in sleeve inner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810788445.9A CN108867483A (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of half grout sleeve connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810788445.9A CN108867483A (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of half grout sleeve connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108867483A true CN108867483A (en) | 2018-11-23 |
Family
ID=64303123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810788445.9A Withdrawn CN108867483A (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of half grout sleeve connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108867483A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042556A (en) * | 2019-12-04 | 2020-04-21 | 佛山建装建筑科技有限公司 | Edge protection device and construction method thereof |
| CN113322824A (en) * | 2021-06-15 | 2021-08-31 | 山西高速集团朔神有限责任公司 | Fabricated anti-collision wall applied to high-grade road and construction method thereof |
| CN113668383A (en) * | 2021-07-30 | 2021-11-19 | 广东省交通规划设计研究院集团股份有限公司 | Assembled guardrail |
| CN114635355A (en) * | 2022-03-28 | 2022-06-17 | 东南大学 | Bridge guardrail with prefabricated UHPC (ultra high performance polycarbonate) formwork filled with concrete and construction method thereof |
-
2018
- 2018-07-16 CN CN201810788445.9A patent/CN108867483A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042556A (en) * | 2019-12-04 | 2020-04-21 | 佛山建装建筑科技有限公司 | Edge protection device and construction method thereof |
| CN113322824A (en) * | 2021-06-15 | 2021-08-31 | 山西高速集团朔神有限责任公司 | Fabricated anti-collision wall applied to high-grade road and construction method thereof |
| CN113668383A (en) * | 2021-07-30 | 2021-11-19 | 广东省交通规划设计研究院集团股份有限公司 | Assembled guardrail |
| CN114635355A (en) * | 2022-03-28 | 2022-06-17 | 东南大学 | Bridge guardrail with prefabricated UHPC (ultra high performance polycarbonate) formwork filled with concrete and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108867483A (en) | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of half grout sleeve connection | |
| CN108867480A (en) | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of steel plate connection | |
| CN106677056A (en) | Prefabricated double-column vase bridge pier and assembling construction method thereof | |
| CN109457596B (en) | Prefabricated assembled pier connection structure and construction method | |
| CN108560544A (en) | A kind of sleeve connection assembled pile foundation and its construction method | |
| CN207905121U (en) | Precast concrete constraint slurry anchor overlaps connection structure | |
| CN108149585A (en) | A kind of splicing construction and joining method of the pier stud segment of precast assembly bridge pier | |
| CN110205931A (en) | A kind of prefabricated assembled Collison fence for bridge | |
| CN108867361A (en) | A kind of half grout sleeve connection prefabricated assembling type reinforced concrete side crashproof guardrail | |
| CN108824189A (en) | A kind of steel plate connection prefabricated assembling type reinforced concrete side crashproof guardrail | |
| CN208830150U (en) | A kind of half grout sleeve connection prefabricated assembled FRP tendons material concrete center anticollision barrier | |
| CN208830226U (en) | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection | |
| CN108716188A (en) | A kind of guardrail grouting connection prefabricated assembling type reinforced concrete side crashproof guardrail | |
| CN208830224U (en) | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of half grout sleeve connection | |
| CN208830225U (en) | A kind of half grout sleeve connection prefabricated assembling type reinforced concrete center anticollision barrier | |
| CN208830156U (en) | A kind of guardrail grouting connection prefabricated assembling type reinforced concrete side crashproof guardrail | |
| CN108729349A (en) | A kind of steel plate connection prefabricated assembled FRP tendons material concrete center anticollision barrier | |
| CN108867481A (en) | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of guardrail grouting connection | |
| CN208830155U (en) | A kind of top plate grouting connection prefabricated assembling type reinforced concrete side crashproof guardrail | |
| CN208884352U (en) | A kind of top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier | |
| CN108797343A (en) | A kind of half grout sleeve connection prefabricated assembled FRP tendons material concrete center anticollision barrier | |
| CN208965404U (en) | A kind of steel plate connection prefabricated assembling type reinforced concrete side crashproof guardrail | |
| CN108867360A (en) | A kind of guardrail grouting connection prefabricated assembled FRP tendons material concrete center anticollision barrier | |
| CN208830151U (en) | A kind of prefabricated assembled FRP tendons material concrete side crashproof guardrail of top plate grouting connection | |
| CN102877413B (en) | Construction technology for large-size cableway bridge engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181123 |