CN208884352U - A kind of top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier - Google Patents
A kind of top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier Download PDFInfo
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- CN208884352U CN208884352U CN201821178368.7U CN201821178368U CN208884352U CN 208884352 U CN208884352 U CN 208884352U CN 201821178368 U CN201821178368 U CN 201821178368U CN 208884352 U CN208884352 U CN 208884352U
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- prefabricated
- anticollision barrier
- reinforcing bar
- main beam
- top plate
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Abstract
It is in the milk the utility model discloses a kind of top plate and connects prefabricated assembling type reinforced concrete center anticollision barrier, including prefabricated anticollision barrier and precast main beam, the prefabricated anticollision barrier is constituted by concrete prefabricated and is embedded with longitudinal reinforcement in inside, bending resistance reinforcing bar and connection reinforcing bar, the connection reinforcing bar extends outwardly stretching respectively from bottom at left and right sides of prefabricated anticollision barrier, the metal bellows protruded into for connection reinforcing bar is embedded in the precast main beam, 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, it is suitable for anticollision barrier industrialized production, prefabricated construction, with significant technical economic benefit.
Description
Technical field
The utility model relates to bridge construction technical field of structures, in particular to a kind of top plate grouting connection is prefabricated assembled
Armored concrete center anticollision barrier.
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.
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 top
Plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier.
Used technical solution to solve above-mentioned technical problem: a kind of top plate grouting connects prefabricated assembling type reinforced coagulation
Native center anticollision barrier, including prefabricated anticollision barrier and precast main beam, the prefabricated anticollision barrier are made of simultaneously concrete prefabricated
It is embedded with longitudinal reinforcement, bending resistance reinforcing bar, connection reinforcing bar and distributing bar in inside, the connection reinforcing bar is left from prefabricated anticollision barrier
Right two side bottoms extend outwardly stretchings respectively, and the metal bellows protruded into for connection reinforcing bar is embedded in the precast main beam, logical
It crosses to the inside of metal bellows and grouting material is perfused so that prefabricated anticollision barrier to be connected with precast main beam.
Preferably, it is surround in the precast main beam positioned at metal bellows periphery and is embedded with stirrup.
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 connection reinforcing bar of the prefabricated anticollision barrier, which is divided into, protrudes into connection reinforcing bar and pre-buried connection reinforcing bar, described
Prefabricated anticollision barrier is embedded with the bottom surface jointing concordant with prefabricated anticollision barrier bottom surface, and the pre-buried connection reinforcing bar is embedded in
Inside prefabricated anticollision barrier and bottom is fixedly connected with jointing, and described to protrude into connection reinforcing bar top detachable with jointing
Formula connection.
Preferably, pvc pipe is also embedded with inside the prefabricated anticollision barrier.
The utility model has the advantages that
(1) metal bellows being embedded in inside precast main beam is protruded by connecting reinforcing bar, and superhigh intensity coagulation is perfused
Prefabricated anticollision barrier, can also effectively connect integral by soil with precast main beam, 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) shear connector being arranged above precast main beam can effectively bear the horizontal force of prefabricated anticollision barrier, give anticollision barrier
Prefabricated 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 another section structure diagram of the utility model first embodiment；
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, the grouting of the utility model top plate connects prefabricated assembling type reinforced concrete center anticollision barrier,
Including prefabricated anticollision barrier 20 and precast main beam 10, prefabricated anticollision barrier 20 is constituted and is embedded in inside vertical by concrete prefabricated
To reinforcing bar 21, bending resistance reinforcing bar 22, connection reinforcing bar 23 and distributing bar 24, longitudinal reinforcement 21 is longitudinally arranged, 22 edge of bending resistance reinforcing bar
The slope surface and top ring of prefabricated anticollision barrier 20 are around arranging and extend to prefabricated 20 bottom of anticollision barrier, and connection reinforcing bar 23 is from prefabricated
20 left and right sides bottom of anticollision barrier, which extends outwardly, stretches out one section, and distributing bar 24 is located at prefabricated 20 bottom of anticollision barrier, both ends
It bends at left and right sides of the bottom of prefabricated anticollision barrier 20 and is bound in the longitudinal reinforcement of the bending place 21 respectively and connected, prefabricated master
10 inside of beam position built-in metal bellows 11 corresponding with connection reinforcing bar 23, and around arrangement stirrup outside metal bellows 11
12 to improve local pressure.
The shearing slot 26 being longitudinally oriented is arranged in prefabricated 20 bottom intermediate region position of anticollision barrier, longitudinally spaced to be distributed with
Glue groove 27 out, correspondingly, precast main beam 10 are equipped with the shear connector 15 with shearing 26 build-in of slot cooperation, at prefabricated 20 bottom of anticollision barrier
Face and 10 top surface of precast main beam, which are 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, epoxy resin jelly thickness is not
Less than 3mm, 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.Meanwhile it is prefabricated
The corresponding insertion metal bellows 11 of the connection reinforcing bar 23 of anticollision barrier 20, when precast main beam 10 is docked with prefabricated anticollision barrier 20,
The endless all standing metal bellows 11 of prefabricated anticollision barrier 20 then passes through metal bellows 11 so that its top has opening
Grouting material is perfused in top opening, and the length that connection reinforcing bar 23 is inserted into metal bellows 11 should meet anchorage length requirement, and use
Bending structure, grouting material select UHPC material.
In order to reduce installation difficulty, seam will be glued and be changed to splicing seams, splicing seams thickness is preferably 20mm, and by asphalt mixtures modified by epoxy resin
Rouge jelly is changed to high strength cement mortar, to form mortar bed 17, at this point, cancelling the setting of glue groove 27 out.
Preferably, connection reinforcing bar 23 is divided to protrude into connection reinforcing bar 231 and 232 two sections of connection reinforcing bar pre-buried, prefabricated anticollision
Guardrail 20 is embedded with the bottom surface jointing 25 concordant with prefabricated 20 bottom surface of anticollision barrier, and pre-buried connection reinforcing bar 232 is embedded in pre-
Inside anticollision barrier 20 processed, and pre-buried 232 bottom of connection reinforcing bar is fixedly connected with jointing 25, is protruded into connection reinforcing bar 231 and is pushed up
Portion and 25 detachable connection of jointing, are preferably threaded, and two sections of settings of connection reinforcing bar 23 can be convenient prefabricated anti-
Hit guardrail 20 it is prefabricated after the completion of storage transport, when site operation, protrude into connection reinforcing bar 231 and be connected to jointing 25, then
In place by the lifting of prefabricated anticollision barrier 20, finally to grouting material is perfused inside metal bellows 11.
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.
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 (7)
1. a kind of top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier, it is characterised in that: including prefabricated anti-
Hit guardrail and precast main beam, the prefabricated anticollision barrier is constituted by concrete prefabricated and is embedded with longitudinal reinforcement, bending resistance in inside
Reinforcing bar, connection reinforcing bar and distributing bar, the connection reinforcing bar extends outwardly respectively from bottom at left and right sides of prefabricated anticollision barrier to be stretched
Out, the metal bellows protruded into for connection reinforcing bar is embedded in the precast main beam, by filling to perfusion inside metal bellows
Slurry is prefabricated anticollision barrier to be connected with precast main beam.
2. top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier according to claim 1, feature
It is: is surround in the precast main beam positioned at metal bellows periphery and be embedded with stirrup.
3. top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier according to claim 2, feature
Be: the prefabricated anticollision barrier bottom is equipped with shearing slot, and the precast main beam is equipped with the shear connector with shearing slot build-in cooperation.
4. top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier according to claim 3, feature
It is: there is epoxy glue layer, the prefabricated anticollision barrier bottom is along vertical between the prefabricated anticollision barrier and precast main beam
To being equipped at intervals with out glue groove.
5. top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier according to claim 3, feature
It is: there is mortar bed between the precast main beam and prefabricated anticollision barrier.
6. top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier according to claim 4 or 5, special
Sign is: the connection reinforcing bar of the prefabricated anticollision barrier, which is divided into, protrudes into connection reinforcing bar and pre-buried connection reinforcing bar, the prefabricated anticollision
Guardrail is embedded with the bottom surface jointing concordant with prefabricated anticollision barrier bottom surface, and the pre-buried connection reinforcing bar is embedded in prefabricated anticollision
Inside guardrail and bottom is fixedly connected with jointing, described to protrude into connection reinforcing bar top and jointing detachable connection.
7. top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier according to claim 1, feature
It is: is also embedded with pvc pipe inside the prefabricated anticollision barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821178368.7U CN208884352U (en) | 2018-07-16 | 2018-07-16 | A kind of top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821178368.7U CN208884352U (en) | 2018-07-16 | 2018-07-16 | A kind of top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier |
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| Publication Number | Publication Date |
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| CN208884352U true CN208884352U (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821178368.7U Active CN208884352U (en) | 2018-07-16 | 2018-07-16 | A kind of top plate grouting connection prefabricated assembling type reinforced concrete center anticollision barrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270606A (en) * | 2020-02-11 | 2020-06-12 | 山东省交通规划设计院有限公司 | Connecting structure of assembled steel bridge floor concrete anti-collision guardrail and complete construction method thereof |
-
2018
- 2018-07-16 CN CN201821178368.7U patent/CN208884352U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270606A (en) * | 2020-02-11 | 2020-06-12 | 山东省交通规划设计院有限公司 | Connecting structure of assembled steel bridge floor concrete anti-collision guardrail and complete construction method thereof |
| CN111270606B (en) * | 2020-02-11 | 2022-02-25 | 山东省交通规划设计院集团有限公司 | Connecting structure of assembled steel bridge floor concrete anti-collision guardrail and complete construction method thereof |
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