CN208830149U - A kind of prefabricated assembled UHPC side crashproof guardrail grouting connecting structure - Google Patents
A kind of prefabricated assembled UHPC side crashproof guardrail grouting connecting structure Download PDFInfo
- Publication number
- CN208830149U CN208830149U CN201821125207.1U CN201821125207U CN208830149U CN 208830149 U CN208830149 U CN 208830149U CN 201821125207 U CN201821125207 U CN 201821125207U CN 208830149 U CN208830149 U CN 208830149U
- Authority
- CN
- China
- Prior art keywords
- uhpc
- grout sleeve
- anticollision barrier
- connecting structure
- prefabricated assembled
- 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- Withdrawn - After Issue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
- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 53
- 239000011440 grout Substances 0.000 claims abstract description 60
- 230000004888 barrier function Effects 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 11
- 235000013336 milk Nutrition 0.000 claims description 11
- 239000008267 milk Substances 0.000 claims description 11
- 210000004080 milk Anatomy 0.000 claims description 11
- 230000010412 perfusion Effects 0.000 claims description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a kind of prefabricated assembled UHPC side crashproof guardrail grouting connecting structure, including girder wing plate and UHPC anticollision barrier with connection reinforcing bar, UHPC anticollision barrier bottom internal is embedded with grout sleeve, the inner wall of grout sleeve at least three inside shear connectors of longitudinally spaced distribution, the outer wall of grout sleeve is longitudinally spaced to be distributed with external shear key corresponding with internal shear connector, grout sleeve, which has, is inserted into the indoor opening of filling cavity for connection reinforcing bar, the grout outlet that grout sleeve has underlying grouting mouth and is located above, by grouting material being perfused into filling cavity room UHPC anticollision barrier to be connected with girder wing plate, the connection of grout sleeve and UHPC anticollision barrier is realized by the way that external shear key is arranged, and pass through internal shear connector, connect reinforcing bar, the collaboration of grouting material is made With, grout sleeve and girder wing plate are linked to be entirety, the embedded bar inside UHPC anticollision barrier is avoided, facilitates the prefabricated of UHPC anticollision barrier, more suitable industrial flow-line production.
Description
Technical field
The utility model relates to bridge construction technical field of structures, in particular to a kind of prefabricated assembled UHPC side crashproof
Guardrail grouting connecting structure.
Background technique
In recent years, China actively seeks and enriches the green construction mode of rapid, low road interference, mute, energetically
Fabricated construction is advocated, and tries to explore application of the new material in assembled architecture.Anticollision barrier is the important set of bridge
At part, UHPC anticollision barrier simple structure than traditional solid armored concrete anticollision barrier weight saving about 65%, and is tied
Structure has ultra-tough, with the obvious advantage, but existing assembled UHPC anticollision barrier by bed bolt and is embedded in wing plate
Connect reinforcing bar and realize connection, when construction worker need to roll over to anticollision barrier rear carry out bolt apply it is stubborn, it is complicated for operation and dangerous
Degree is high, therefore it is necessary for researching and developing suitable for the novel connection of UHPC anticollision barrier.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of simple structure, easy construction it is prefabricated assembled
UHPC side crashproof guardrail grouting connecting structure.
A kind of used technical solution to solve above-mentioned technical problem: prefabricated assembled UHPC side crashproof guardrail grouting
Connecting structure, including girder wing plate and UHPC anticollision barrier, the girder wing plate, which stretches out, has connection reinforcing bar, the UHPC anticollision
It is embedded with grout sleeve inside guardrail bottom, forms perfusion chamber, the inner wall edge of the grout sleeve inside the grout sleeve
At least three inside shear connector of longitudinally spaced distributions, the outer wall of the grout sleeve is longitudinally spaced to be distributed with and internal shear connector
Corresponding external shear key, the grout sleeve, which has, to be inserted into filling cavity room and in UHPC anticollision barrier for connection reinforcing bar
The opening of bottom, the grout outlet that grout sleeve has underlying grouting mouth and is located above, by being filled into filling cavity room
Grouting material is infused so that UHPC anticollision barrier to be connected with girder wing plate.
Preferably, the UHPC anticollision barrier is made of side plate, top plate and bottom plate and floor, and the side plate bottom locally adds
Thick structure is embedded into advance for grout sleeve.
Preferably, the opening direction of the grout outlet is towards the inside of side plate, and the opening direction of the grouting mouth is towards side
The outside of plate.
Preferably, the pre-buried position of the grout sleeve and the aligned in position where floor, the pulp of the grout sleeve
There are 45 ° of angles between mouth and floor.
Preferably, the oval ring-type of the external shear key, the ellipse short shaft axis and UHPC of the external shear key
The axis of anticollision barrier is vertical.
Preferably, the length that the connection reinforcing bar protrudes into perfusion chamber is not less than 9 times of connection bar diameter.
Preferably, the internal shear connector is in same position in longitudinal direction with external shear key.
Preferably, the grout sleeve is cast by spheroidal graphite cast-iron forms or is formed by structural alloy steel machining.
Preferably, the connection reinforcing bar is Ribbed Bar.
The utility model has the advantages that
(1) the pre-buried grout sleeve inside UHPC anticollision barrier, by be arranged external shear key realize grout sleeve with
The connection of UHPC anticollision barrier, and by the synergistic effect of internal shear connector, connection reinforcing bar, grouting material, by grout sleeve and master
Beam wing plate is linked to be entirety, avoids the embedded bar inside UHPC anticollision barrier, facilitates the prefabricated of UHPC anticollision barrier, more
It is suitable for industrial flow-line production；
(2) it is connected by grout sleeve, worker rolls over to anticollision barrier rear and twists bolt, assembling journey when avoiding installation
Degree is high, and it is convenient to construct；
(3) grouting mouth, which is directed toward on the outside of side plate, can facilitate site operation, and the later period can hide its trace by deck paving, out
It starches mouth and is directed toward side plate interior sides, can avoid surface grout to the visual impact of UHPC anticollision barrier.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and examples；
Fig. 1 is the end structure illustration of the utility model embodiment；
Fig. 2 is the side structure schematic diagram of the utility model embodiment；
Fig. 3 is the schematic cross-section of grout sleeve in the utility model embodiment；
Fig. 4 is the schematic cross-section of another angle of grout sleeve in the utility model embodiment.
Specific embodiment
Referring to figs. 1 to Fig. 4, the prefabricated assembled UHPC side crashproof guardrail grouting connecting structure of the utility model, including master
Beam wing plate 10 and UHPC anticollision barrier 20, girder wing plate 10, which stretches out, has connection reinforcing bar 11,20 bottom internal of UHPC anticollision barrier
It is embedded with grout sleeve 30,30 inner hollow of grout sleeve has perfusion chamber 31, and the bottom of grout sleeve 30 has opening 32,
When grout sleeve 30 is embedded in UHPC anticollision barrier 20, the opening 32 of grout sleeve 30 and the bottom wall table of UHPC anticollision barrier 20
Face is concordant, and opening 32 is inserted into inside perfusion chamber 31 for connection reinforcing bar 11, and connection reinforcing bar 11 protrudes into the length of perfusion chamber 31
Not less than 9 times of connection bar diameter, the inner wall of grout sleeve 30 at least three inside shear connectors 33 of longitudinally spaced distribution,
Particular number is chosen according to connection 11 built-in length of reinforcing bar, and the outer wall of grout sleeve 30 is longitudinally spaced to be distributed with and inside
Shear connector 33 is in the external shear key 34 of same position, and the extension elongation and thickness of external shear key 34 are according to connection reinforcing bar 11
Built-in length is chosen, and quantity is identical as internal shear connector.Preferably, the oval ring-type of external shear key 34, outside shearing
The ellipse short shaft axis of part 34 is vertical with the axis of UHPC anticollision barrier.Grout sleeve 30 has underlying 35 He of grouting mouth
The grout outlet 36 being located above, grouting material are poured by grouting mouth 35, stop grouting after the spilling of grout outlet 36 after grouting material, wait fill
Girder wing plate 10 and UHPC anticollision barrier 20 are connected to form by one by connection reinforcing bar 11 and grout sleeve 30 after slurry curing.
Wherein, UHPC anticollision barrier 20 is made of side plate 21, top plate 22, bottom plate 23 and floor 24, and passes through side plate 21, top
Plate 22, bottom plate 23 and floor 24 form hatch frame, are embedded into advance for the ease of grout sleeve 30, side plate 21 and 24 bottom of floor
Contact area has local structure thicker.
Preferably, the opening direction of grout outlet 36 towards the inside of side plate 21, is in the milk, the opening direction of mouth 35 is towards side
The outside of plate 21, it is possible to reduce pulp discharge surface grout improves UHPC anticollision to the visual impact of UHPC anticollision barrier when grouting
The simple and beautiful property of the entirety of guardrail 20.Further, since the aligned in position where the pre-buried position of grout sleeve 30 and floor 24, is
The length for reducing grout outlet 36 has 45 ° of angles between the grout outlet 36 and floor 24 of grout sleeve 30.
Preferably, grout sleeve 30 is formed by casting or machine cut is processed and to be formed, and when using Foundry Production, material
Spheroidal graphite cast-iron is selected, when producing using machining, material selection meets the steel of joint geometry examination requirements, as low-alloy is rigid
Strength structure steel, structural alloy steel etc..Grouting material is adopted using good fluidity, early strong, microdilatancy high-strength slurry, connection reinforcing bar 11
Use Ribbed Bar.
It wherein, is to adapt to abnormity UHPC component, the external shear key 34 of grout sleeve 30, be in the milk mouth 35 and grout outlet 36
Position, angle etc. can accordingly be optimized according to the section form of UHPC component.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
State embodiment, within the scope of knowledge possessed by those of ordinary skill in the art, can also do not depart from it is practical
Various changes can be made under the premise of novel objective.
Claims (9)
- The connecting structure 1. a kind of prefabricated assembled UHPC side crashproof guardrail is in the milk, it is characterised in that: including girder wing plate and UHPC anticollision barrier, the girder wing plate, which stretches out, has connection reinforcing bar, and the UHPC anticollision barrier bottom internal is embedded with grouting Sleeve, the grout sleeve inside form perfusion chamber, and the inner wall of the grout sleeve is longitudinally spaced to be distributed at least three Portion's shear connector, the outer wall of the grout sleeve is longitudinally spaced to be distributed with external shear key corresponding with internal shear connector, described Grout sleeve has the opening for being inserted into for connection reinforcing bar and in filling cavity room and being in UHPC anticollision barrier bottom, grout sleeve tool The grout outlet for having underlying grouting mouth and being located above, by grouting material being perfused into filling cavity room to protect UHPC anticollision Column is connected with girder wing plate.
- The connecting structure 2. prefabricated assembled UHPC side crashproof guardrail according to claim 1 is in the milk, it is characterised in that: institute It states UHPC anticollision barrier to be made of side plate, top plate and bottom plate and floor, side plate bottom part structure thicker is pre- for grout sleeve It is embedded into.
- The connecting structure 3. prefabricated assembled UHPC side crashproof guardrail according to claim 2 is in the milk, it is characterised in that: institute The opening direction of grout outlet is stated towards the inside of side plate, the opening direction of the grouting mouth is towards the outside of side plate.
- The connecting structure 4. prefabricated assembled UHPC side crashproof guardrail according to claim 3 is in the milk, it is characterised in that: institute The pre-buried position for stating grout sleeve and the aligned in position where floor, have between the grout outlet and floor of the grout sleeve 45 ° of angles.
- The connecting structure 5. prefabricated assembled UHPC side crashproof guardrail according to claim 1 is in the milk, it is characterised in that: institute The oval ring-type of external shear key is stated, the ellipse short shaft axis of the external shear key and the axis of UHPC anticollision barrier hang down Directly.
- The connecting structure 6. prefabricated assembled UHPC side crashproof guardrail according to claim 1 is in the milk, it is characterised in that: institute It states connection reinforcing bar and protrudes into the length of perfusion chamber not less than connection 9 times of bar diameter.
- The connecting structure 7. prefabricated assembled UHPC side crashproof guardrail according to claim 1 is in the milk, it is characterised in that: institute It states internal shear connector and external shear key and is in same position in longitudinal direction.
- The connecting structure 8. prefabricated assembled UHPC side crashproof guardrail according to claim 1 is in the milk, it is characterised in that: institute It states grout sleeve and is cast by spheroidal graphite cast-iron and formed or formed by structural alloy steel machining.
- The connecting structure 9. prefabricated assembled UHPC side crashproof guardrail according to claim 1 is in the milk, it is characterised in that: institute Stating connection reinforcing bar is Ribbed Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125207.1U CN208830149U (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled UHPC side crashproof guardrail grouting connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125207.1U CN208830149U (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled UHPC side crashproof guardrail grouting connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208830149U true CN208830149U (en) | 2019-05-07 |
Family
ID=66306707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821125207.1U Withdrawn - After Issue CN208830149U (en) | 2018-07-16 | 2018-07-16 | A kind of prefabricated assembled UHPC side crashproof guardrail grouting connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208830149U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729350A (en) * | 2018-07-16 | 2018-11-02 | 广州市市政工程设计研究总院有限公司 | A kind of prefabricated assembled UHPC side crashproofs guardrail grouting connecting structure |
| CN110847043A (en) * | 2019-11-08 | 2020-02-28 | 东南大学 | Construction process of cast iron railing of bridge |
| 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 CN201821125207.1U patent/CN208830149U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729350A (en) * | 2018-07-16 | 2018-11-02 | 广州市市政工程设计研究总院有限公司 | A kind of prefabricated assembled UHPC side crashproofs guardrail grouting connecting structure |
| CN108729350B (en) * | 2018-07-16 | 2024-07-02 | 广州市市政工程设计研究总院有限公司 | Prefabricated UHPC side anti-collision guardrail grouting connection structure |
| CN110847043A (en) * | 2019-11-08 | 2020-02-28 | 东南大学 | Construction process of cast iron railing of bridge |
| 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 |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190507 Effective date of abandoning: 20240702 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190507 Effective date of abandoning: 20240702 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |