CN108867361A - A kind of half grout sleeve connection prefabricated assembling type reinforced concrete side crashproof guardrail - Google Patents
A kind of half grout sleeve connection prefabricated assembling type reinforced concrete side crashproof guardrail Download PDFInfo
- Publication number
- CN108867361A CN108867361A CN201810782574.7A CN201810782574A CN108867361A CN 108867361 A CN108867361 A CN 108867361A CN 201810782574 A CN201810782574 A CN 201810782574A CN 108867361 A CN108867361 A CN 108867361A
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- grout sleeve
- reinforcing bar
- half grout
- anticollision barrier
- 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- Withdrawn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
- 239000011440 grout Substances 0.000 title claims abstract description 47
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims abstract description 47
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 45
- 238000005452 bending Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 239000003292 glue Substances 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 6
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 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
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 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
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
-
- 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
- E01F15/14—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 specially adapted for local protection, e.g. for bridge piers, for traffic islands
Abstract
The invention discloses a kind of half grout sleeves to connect prefabricated assembling type reinforced 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 longitudinal reinforcement in inside,Bending resistance reinforcing bar,Guardrail connects reinforcing bar,Stirrup and half grout sleeve,Stirrup is looped around outside half grout sleeve,The end reinforced bending of bending resistance and stirrup are welded to connect,Guardrail connects to be connect at the top of reinforcing bar and half grout sleeve,Half grout sleeve bottom has the opening for connection reinforcing bar insertion,The grout outlet that half grout sleeve has underlying grouting mouth and is located above,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,It is suitable for anticollision barrier industrialized production,Prefabricated construction,With significant technical economic benefit.
Description
Technical field
The present invention relates to bridge construction technical field of structures, in particular to a kind of half grout sleeve connects prefabricated assembled steel
Reinforced 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.Anticollision barrier is the important component of bridge, conventional steel bar concrete anticollision
Guardrail is poured using scene is die-filling, is needed that a large amount of manpower and material resources progress reinforcing bar transports, bending and scene is spent to bind, is increased and apply
Work duration and cost, and cast in situs pollutes larger, does not meet the requirement of national development green building.
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
Sleeve connection prefabricated assembling type reinforced concrete side crashproof guardrail.
Used technical solution to solve above-mentioned technical problem：A kind of half grout sleeve connection is prefabricated assembling type reinforced mixed
Solidifying soil side crashproof guardrail, including prefabricated anticollision barrier and precast main beam, the precast main beam have the connection steel for extending and stretching out
Muscle, the prefabricated anticollision barrier by it is concrete prefabricated constitute and inside be embedded with longitudinal reinforcement, bending resistance reinforcing bar, guardrail connect steel
Muscle, stirrup and half grout sleeve, half grout sleeve are located at prefabricated anticollision barrier bottom portion side end, and the stirrup is looped around half filling
Cartridge exterior is starched, the end reinforced bending of bending resistance and stirrup are welded to connect, the guardrail connection reinforcing bar and half grout sleeve top
Portion's connection, half grout sleeve bottom have the opening for connection reinforcing bar insertion, and half grout sleeve, which has, to be located below
Grouting mouth and the grout outlet that is located above, by perfusion grouting material inside half grout sleeve with by prefabricated anticollision barrier and pre-
Girder processed is connected.
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, and the prefabricated anticollision barrier bottom outer wall has baste.
Preferably, pvc pipe is also embedded with inside the prefabricated anticollision barrier.
Beneficial effect：
(1) half grout sleeve being embedded in inside prefabricated anticollision barrier is protruded by connecting reinforcing bar, solves full grouting set
Tube length degree 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 it is prefabricated
Girder connection is integral, and site operation is convenient, and assembling degree is high；
(2) 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；
(3) block or shear connector of precast main beam setting can effectively bear the horizontal force of prefabricated anticollision barrier, protect to anticollision
The prefabricated of column provides 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 structural schematic diagram that reinforcing bar is connected in first embodiment of the invention；
Fig. 4 is the section structure diagram of second embodiment of the invention；
Fig. 5 is the section structure diagram go out in second embodiment of the invention with glue groove.
Specific embodiment
Referring to figs. 1 to Fig. 5, half grout sleeve of the present invention connects prefabricated assembling type reinforced concrete side crashproof guardrail, packet
Prefabricated anticollision barrier 20 and precast main beam 10 are included, precast main beam 10 has the connection reinforcing bar 11 for extending and stretching out, prefabricated anticollision barrier
20 by it is concrete prefabricated constitute and inside be embedded with longitudinal reinforcement 21, bending resistance reinforcing bar 22, guardrail connection reinforcing bar 23, stirrup 24 and
Half grout sleeve 25, longitudinal reinforcement 21 is longitudinally arranged, and half grout sleeve 25 is located at prefabricated 20 bottom portion side end of anticollision barrier, and half fills
It starches the pre-buried position of sleeve 25 and carries out local structure thicker processing, stirrup 24 is looped around outside half grout sleeve 25, to improve office
Portion's stress, bending resistance reinforcing bar 22 are welded together in its end bending with stirrup 24 around a circle, and guardrail connects reinforcing bar 23
It is connected to form one at the top of bottom end and half grout sleeve 25, is preferably threadedly coupled.Half grout sleeve, 25 bottom has for connection
The opening that reinforcing bar 11 is inserted into is open concordant with prefabricated 20 bottom of anticollision barrier, and half grout sleeve 25 has underlying grouting
Mouth 252 and the grout outlet 253 being located above.
When installation, mortar bed 30 is arranged in corresponding position first above precast main beam 10, later hoisting prefabricated anticollision shield
Column 20 will simultaneously connect reinforcing bar 11 and be inserted into half grout sleeve 25, then be filled by grouting mouth 252 to perfusion inside half grout sleeve 25
Slurry, the length that connection reinforcing bar 11 is inserted into half grout sleeve 25 should meet anchorage length requirement, overflow to grouting material from grout outlet 253
Grouting mouth 252 and grout outlet 253 are stoppered with rubber stopper after out.
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.
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 half grout sleeve 25.
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 29 inside prefabricated anticollision barrier 20, street lamp electric wire or communications optical cable can be convenient
The placement of equal wire rods, and mitigate the weight of prefabricated anticollision barrier 20.
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 (6)
1. a kind of half grout sleeve connects prefabricated assembling type reinforced 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 longitudinal reinforcement, bending resistance reinforcing bar, guardrail connection reinforcing bar, stirrup and half grout sleeve in inside, described
Half grout sleeve is located at prefabricated anticollision barrier bottom portion side end, and the stirrup is looped around outside half grout sleeve, the bending resistance reinforcing bar
End bending and stirrup are welded to connect, and are connect at the top of the guardrail connection reinforcing bar and half grout sleeve, half grout sleeve bottom
Portion has the opening for connection reinforcing bar insertion, the pulp that half grout sleeve has underlying grouting mouth and is located above
Mouthful, 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 assembling type reinforced 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.
3. half grout sleeve according to claim 1 or 2 connects prefabricated assembling type reinforced concrete side crashproof guardrail,
It is characterized in that：The precast main beam end upwardly extends the block to be formed with the cooperation positioning of prefabricated anticollision barrier, the prefabricated master
There is mortar bed between beam and prefabricated anticollision barrier.
4. half grout sleeve according to claim 1 or 2 connects prefabricated assembling type reinforced concrete side crashproof guardrail,
It is 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 has epoxy glue layer between the prefabricated anticollision barrier and precast main beam, the prefabricated anticollision barrier bottom is along vertical
To being equipped at intervals with out glue groove.
5. half grout sleeve according to claim 4 connects prefabricated assembling type reinforced concrete side crashproof guardrail, special
Sign is：The prefabricated anticollision barrier bottom outer wall has baste.
6. half grout sleeve according to claim 1 connects prefabricated assembling type reinforced concrete side crashproof guardrail, special
Sign is：Pvc pipe is also embedded with inside the prefabricated anticollision barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810782574.7A CN108867361A (en) | 2018-07-16 | 2018-07-16 | A kind of half grout sleeve connection prefabricated assembling type reinforced concrete side crashproof guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810782574.7A CN108867361A (en) | 2018-07-16 | 2018-07-16 | A kind of half grout sleeve connection prefabricated assembling type reinforced concrete side crashproof guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108867361A true CN108867361A (en) | 2018-11-23 |
Family
ID=64302609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810782574.7A Withdrawn CN108867361A (en) | 2018-07-16 | 2018-07-16 | A kind of half grout sleeve connection prefabricated assembling type reinforced concrete side crashproof guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108867361A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463510A (en) * | 2021-07-05 | 2021-10-01 | 中交二航局广西建设工程有限公司 | Prefabricated T-beam integral embedded guardrail structure and construction method thereof |
| CN114045747A (en) * | 2021-09-29 | 2022-02-15 | 北京中路安交通科技有限公司 | Assembled concrete barrier that dry-type is connected |
| CN114703747A (en) * | 2022-03-29 | 2022-07-05 | 广西桂通工程管理集团有限公司 | Anti-collision guardrail and construction method thereof |
-
2018
- 2018-07-16 CN CN201810782574.7A patent/CN108867361A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463510A (en) * | 2021-07-05 | 2021-10-01 | 中交二航局广西建设工程有限公司 | Prefabricated T-beam integral embedded guardrail structure and construction method thereof |
| CN114045747A (en) * | 2021-09-29 | 2022-02-15 | 北京中路安交通科技有限公司 | Assembled concrete barrier that dry-type is connected |
| CN114703747A (en) * | 2022-03-29 | 2022-07-05 | 广西桂通工程管理集团有限公司 | Anti-collision guardrail and construction method thereof |
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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 |
Application publication date: 20181123 |
|
| WW01 | Invention patent application withdrawn after publication |