CN207944339U - A kind of prefabricated superposed type anti-collision wall for urban viaduct - Google Patents
A kind of prefabricated superposed type anti-collision wall for urban viaduct Download PDFInfo
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- CN207944339U CN207944339U CN201820256917.1U CN201820256917U CN207944339U CN 207944339 U CN207944339 U CN 207944339U CN 201820256917 U CN201820256917 U CN 201820256917U CN 207944339 U CN207944339 U CN 207944339U
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- collision wall
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- precast concrete
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Abstract
The utility model is related to bridge structure technical fields, specially a kind of prefabricated superposed type anti-collision wall for urban viaduct.Anti-collision wall connects inside and outside two layers of precast concrete shingle nail by caged framework of steel reinforcement and forms, and centre forms cavity.At the construction field (site), the reserved vertical connection reinforcing bar of bridge floor plate surface, prefabricated superposed type anti-collision wall is lifted from top to bottom to precalculated position, vertical connection reinforcing bar is reserved in hoisting process to stretch into the cavity of prefabricated superposed type anti-collision wall, overlap joint connection is realized with the vertical muscle of caged framework of steel reinforcement, and by the casting concrete into cavity, prefabricated superposed type anti-collision wall is made to form one with floorings.The utility model is prefabricated in the factory, and ensures the pouring quality of medial and lateral concrete walls panel, save live formwork, form removal process, and reduce most live reinforcing bar operation.Compared with traditional cast-in-situ construction method, site operation speed is greatly improved, shortens the construction period, while presentation quality and worker's personal safety are easier to be guaranteed.
Description
Technical field
The utility model is related to bridge structure technical field, a kind of specially prefabricated superposed type for urban viaduct is anti-
Hit wall.
Background technology
Currently, increasing with city vehicle, the unobstructed exception of urban transit system major trunk roads is important, and overpass is in city
Link role is often played in city's traffic, carries prodigious traffic pressure, neat and artistic degree is also an appearance of city
Important embodiment.
So in the newly-built or reconstruction and extension project of urban viaduct, construction period and construction quality are often policymaker
The emphasis of concern.And traditional overpass both sides anti-collision wall generally uses cast-in-place engineering method, and reinforcing bar binding, installation pipeline is needed to bury
The complicated procedures of forming such as template, casting concrete, maintenance, form removal inside and outside part, branch, low construction efficiency, the duration is longer, often results in
The lasting congestion of traffic restricts local socio-economic development；And anti-collision wall is up-narrow and down-wide, cast in situs quality is not easy to ensure,
The phenomenon that concrete surface voids and pits, often occurs, and seriously affects the aesthetic measure of anti-collision wall and the durability in later stage, needs
It often safeguards and overhauls, larger manpower financial capacity is caused to waste；In addition, when site operation, worker needs in high aerial peace installation and dismantling
Template is unloaded, easily falls and causes safety accident, there are larger personal safety hidden danger.
Utility model content
For the above technical problems, the purpose of this utility model is to provide a kind of for the pre- of urban viaduct
Superposed type anti-collision wall processed, reasonable for structure, connection is reliable, and site operation speed can be greatly improved, and shortens the construction period, while its
Presentation quality and worker's personal safety can be ensured more effectively.
In order to achieve the above object, the technical solution of the utility model is：
A kind of prefabricated superposed type anti-collision wall for urban viaduct, the prefabricated superposed type anti-collision wall is by caged framework of steel reinforcement
Inside and outside two layers of the precast concrete shingle nail composition of connection, centre forms cavity；At the construction field (site), bridge floor plate surface reserves anti-collision wall
Vertical connection reinforcing bar, prefabricated superposed type anti-collision wall are lifted from top to bottom to precalculated position, and vertical connection steel is reserved in hoisting process
Muscle stretches into the cavity of prefabricated superposed type anti-collision wall, and overlap joint connection is realized with the vertical muscle of caged framework of steel reinforcement, and by sky
Intracavitary casting concrete makes prefabricated superposed type anti-collision wall form one with floorings.
The framework of steel reinforcement is in caged, and the horizontal bar of caged framework of steel reinforcement is welded with vertical muscle infall using spot welding, steel
Tendons skeleton be both anti-collision wall structure stress reinforcing bar and inside and outside precast concrete shingle nail, while meeting component
Globality requirement when demoulding, overturning, transport and lifting.
The interior outside pre-cast concrete walling panel is both a part and poured in place concrete for anticollision wall construction
When interior outboard template, metope plate thickness be 60mm~150mm, length be 1.5m~3.0m；Wherein, inside pre-cast concrete walling
Panel using corrosion resistant concrete for making or it is prefabricated when the corrosion resistant plane materiel of the embedding patch in surface, to cope with complexity residing for it, invade
The working environment of corrosion.
The pre-buried L-type bracket in outside precast concrete shingle nail bottom, is evenly arranged along anti-collision wall spacing 1m~1.5m,
Pre-buried vertical adjustment nut at corresponding floorings；Before anti-collision wall lifting, pre-buried vertical adjustment nut is first adjusted to design level mark
Height, the horizonal base plate of L-type bracket is directly fallen on vertical adjustment nut when lifting, with support outside precast concrete shingle nail.
The pre-buried L-type bracket with holes in inside precast concrete shingle nail bottom, L-type bracket with holes is along anti-collision wall spacing 1m
~1.5m is evenly arranged；Pre-buried vertical screw rod at corresponding floorings, L-type bracket horizonal base plate with holes are provided with corresponding vertical screw rod
Hole, and pacify a nut in advance on vertical screw rod；Before anti-collision wall lifting, first adjusting nut to design level absolute altitude, when lifting
L-type bracket horizonal base plate with holes is inserted in screw rod, and falls on the nut pacified in advance, with support inside precast concrete shingle nail；It adjusts
Behind the position of whole good anti-collision wall, a nut is installed again on vertical screw rod, L-type bracket with holes is fixed, and then fixed anticollision
Wall prevents it from toppling, and removes extra support from.
The outside pre-cast concrete walling lower panels are equipped with lower hanging plate, and lower hanging plate is corresponding with the side of floorings.
The prefabricated superposed type anti-collision wall for urban viaduct, when anti-collision wall is located in the middle part of bridge, anti-collision wall
Play the role of dividing strip, in caged framework of steel reinforcement both sides precast concrete shingle nail；Outside precast concrete shingle nail and interior
The bottom of side precast concrete shingle nail, pre-buried L-type bracket with holes, the pre-buried vertical screw rod in floorings top, L-type ox with holes
The bottom plate of leg is provided with the hole of corresponding pre-buried vertical screw rod, vertical screw rod top one nut of peace in advance, L-type bracket with holes when lifting
Bottom plate be inserted in vertical screw rod, and fall on the nut pacified in advance below, the seam between precast concrete shingle nail bottom and floorings
Gap is blocked using dry cement mortar.
The utility model compared with prior art, has the following advantages and beneficial effect：
1. the utility model by caged framework of steel reinforcement connect inside and outside pre-cast concrete walling panel formed it is hollow pre-
Superposed type anticollision wall member processed can save the complicated process such as outboard template, form removal in the branch of scene, and can reduce most
Live reinforcing bar operation greatly shortens the site operation duration.
The interior outside concrete wall surface plate 2. the utility model is prefabricated in the factory, concrete pouring quality are more guaranteed.Inside
Corrosion resistant concrete for making or the embedding corrosion resistant plane materiel of patch can be used in shingle nail, further increases the durability of anti-collision wall, subtracts
The maintenance cost in few later stage.
3. the utility model is by the pre-buried adjusting spiral shell on the L-type bracket and floorings of precast concrete anti-collision wall bottom
The built-in fittings such as mother, screw rod, can adjust vertical elevation and the horizontal position of prefabricated superposed type anti-collision wall, and can effectively fix structure
Part prevents it from toppling, and above-mentioned work can be completed in construction personnel station on the inside of floorings, reduces risky operation, effective to ensure
The personal safety of worker.To reach and improve anti-collision wall quality and construction efficiency, shorten the construction period, ensure construction personnel's safety
Purpose.
Description of the drawings
Fig. 1 is the overlapping schematic diagram of the prefabricated superposed type anti-collision wall of the utility model.
Fig. 2 is the floorings reserved steel bar and embedded part schematic diagram of the utility model.
Fig. 3 is the side schematic view of the prefabricated superposed type anticollision wall member of the utility model.
Fig. 4 is the scheme of installation of the prefabricated superposed type anti-collision wall of the utility model.
Fig. 5 is the anti-collision wall overlapping schematic diagram without lower hanging plate of the utility model.
Fig. 6 is that the anti-collision wall positioned at bridge median of the utility model overlaps schematic diagram.
In figure：1. caged framework of steel reinforcement, 2. outside precast concrete shingle nails, 3. inside precast concrete shingle nails, 4.L
Type bracket, 5. L-type brackets with holes, 6. vertical screw rods, 7. vertical connection reinforcing bars, 8. adjusting nuts, 9. nuts, 10. sealing strips,
11. floorings, 12. dry mortars, 13. faces layer, 14. times hanging plates.
Specific implementation mode
The utility model is specifically described with reference to the accompanying drawings and examples.
Embodiment 1：
As shown in Figure 1 to 4, the utility model is used for the prefabricated superposed type anti-collision wall of urban viaduct, by caged reinforcing bar
The connection of skeleton 1 outside precast concrete shingle nail 2 and inside precast concrete shingle nail 3 are constituted, and centre forms cavity.
The horizontal bar of cage-like framework of steel reinforcement 1 can be used spot welding with vertical muscle infall and weld, and keep steel reinforcement cage more firm.
It is both the effect of precast concrete shingle nail inside and outside the structure stress reinforcing bar and connection of anti-collision wall, while also answering
Meet globality requirement of the component in demoulding, overturning, transport and lifting.At the construction field (site), 11 surface of floorings is reserved vertical
Reinforcing bar 7 is connected, prefabricated superposed type anti-collision wall is lifted from top to bottom to precalculated position, and vertical connection reinforcing bar 7 is reserved in hoisting process
It stretches into the cavity of prefabricated superposed type anti-collision wall, overlap joint connection is realized with the vertical muscle of caged framework of steel reinforcement 1, and by cavity
Interior casting concrete makes prefabricated superposed type anti-collision wall form one with floorings 11.
The outside precast concrete shingle nail 2, inside precast concrete shingle nail 3 are both one of anticollision wall construction
Point, and interior outboard template when serving as poured in place concrete, metope plate thickness is 60mm~150mm, length be 1.5m~
3.0m；Wherein, corrosion resistant concrete for making or the embedding corrosion resistant plane materiel of patch can be used in inside precast concrete shingle nail 3, with
Cope with complicated, the rodent working environment residing for it.
The pre-buried L-type bracket 4 in 2 bottom of precast concrete shingle nail on the outside of the anti-collision wall, L-type bracket 4 is along anti-collision wall spacing
1m~1.5m is evenly arranged, pre-buried vertical adjustment nut 8 on the corresponding floorings 11 in 4 lower section of L-type bracket.Before anti-collision wall lifting first
By the top levelling of floorings 11, adjusting nut 8 is adjusted to prescribed level absolute altitude, the bottom plate of L-type bracket 4 is directly fallen in when lifting
On adjusting nut 8, play a supporting role.
The pre-buried L-type bracket 5 with holes in 3 bottom of inside precast concrete shingle nail, L-type bracket with holes is along anti-collision wall spacing
1m~1.5m is evenly arranged, pre-buried vertical screw rod 6 at corresponding floorings 11, and the bottom plate of L-type bracket 5 with holes, which is provided with, corresponds to pre-buried erect
To the hole of screw rod 6, a nut 9 is pacified on 6 top of vertical screw rod in advance.Adjusting nut 8 is to prescribed level absolute altitude before anti-collision wall lifting,
The bottom plate of L-type bracket 5 with holes is inserted in vertical screw rod 6 when lifting, and falls on the nut 9 pacified in advance below, plays a supporting role；It adjusts
Behind the position of whole good anti-collision wall, nut 9 above is installed, L-type bracket 5 with holes is fixed, plays the role of fixed anti-collision wall, exempts from
Go extra support.
As Figure 1-Figure 4, the work progress of the prefabricated superposed type anti-collision wall of the utility model is as follows：
1. the reserved vertical connection embedded parts such as reinforcing bar 7 and adjusting nut 8, vertical screw rod 6 in 11 top of floorings, anti-collision wall range
Chisel is picked into rough surface in interior 11 surface of floorings, and cleans out no-sundries, watering wetting before lifting.
2. the nut 9 on rotating adjusting nut 8 and vertical screw rod 6, cooperation level meter are adjusted to predetermined absolute altitude.
3. prefabricated superposed type anti-collision wall lifts in place from top to bottom, the lower hanging plate of 2 lower part of outside precast concrete shingle nail
14 is corresponding with the side of floorings 11, and the sealing strip 10 at 2 middle and lower part tongue and groove of outside precast concrete shingle nail, which squeezes, to be formed
Outer side seal, the bottom plate that adjusting nut 8 withstands L-type bracket 4 form vertical supporting；Band under inside precast concrete shingle nail 3
The hole on bottom sleeve-board of hole horizontal bracket 5 enters vertical screw rod 6, and falls on following nut 9, forms vertical supporting；It adjusts anti-
After hitting the position around of wall, L-type bracket 5 with holes is fixed with another nut 9 from above again, forms reliable draw
Knot, prevents component from toppling.
4. the gap under inside precast concrete shingle nail 3 is blocked with dry mortar 12 forms sealing, in anti-collision wall
Intert in cavity, connecting pipeline and the related embedded part of installation, then from top into cavity casting concrete, vibration compacting, top surface
Troweling.
5. bridge floor board finish 13 of mating formation covers exposed vertical screw rod 6 and L-type bracket 5 with holes.
Embodiment 2：
As shown in figure 5, as different from Example 1：Hanging plate, anticollision are not descended in precast concrete shingle nail 2 lower part in outside
Wall is integrally fallen at 11 top of floorings, and the gap between 2 bottom of outside precast concrete shingle nail and floorings 11 also uses stiff
Property cement mortar 12 block, remaining is the same as embodiment 1.
Embodiment 3：
As shown in fig. 6, as different from Example 1：The anti-collision wall is located in the middle part of bridge, plays the role of dividing strip, cage
1 both sides precast concrete shingle nail of shape framework of steel reinforcement (outside precast concrete shingle nail 2 and inside precast concrete shingle nail 3)
Bottom, pre-buried L-type bracket 5 with holes, the pre-buried vertical screw rod 6 in the top of floorings 11, the bottom plate of L-type bracket 5 with holes is provided with
The hole of corresponding pre-buried vertical screw rod 6,6 top of vertical screw rod, one nut 9 of peace in advance, the bottom plate set of L-type bracket 5 with holes when lifting
Enter vertical screw rod 6, and falls on the nut 9 pacified in advance below.Gap between precast concrete shingle nail bottom and floorings 11
It being blocked using dry cement mortar 12, the face layer 13 of floorings 11 covers exposed vertical screw rod 6 and L-type bracket 5 with holes,
Remaining is the same as embodiment 1.
Embodiment the result shows that, anti-collision wall is prefabricated in the factory in the utility model, it is ensured that medial and lateral concrete walls panel
Pouring quality, save live formwork, form removal process, and most live reinforcing bar operation can be reduced.With it is traditional cast-in-place
Construction is compared, and site operation speed can be greatly improved, and shortens the construction period, while presentation quality is easier to be guaranteed.
Obviously, as technological progress, those skilled in the art can variously implement the design of the utility model.Cause
This, the utility model and its embodiment are not limited to example shown above, but can change in the frame of claim.
Claims (7)
1. a kind of prefabricated superposed type anti-collision wall for urban viaduct, which is characterized in that the prefabricated superposed type anti-collision wall is by cage
Inside and outside two layers of the precast concrete shingle nail composition of shape framework of steel reinforcement connection, centre forms cavity；At the construction field (site), bridge floor plate surface
Reserved anti-collision wall vertically connects reinforcing bar, and prefabricated superposed type anti-collision wall is lifted from top to bottom to precalculated position, is reserved in hoisting process
Vertical connection reinforcing bar stretches into the cavity of prefabricated superposed type anti-collision wall, and overlap joint connection is realized with the vertical muscle of caged framework of steel reinforcement,
And by into cavity casting concrete so that prefabricated superposed type anti-collision wall and floorings is formed one.
2. the prefabricated superposed type anti-collision wall according to claim 1 for urban viaduct, which is characterized in that cage-like
The horizontal bar of framework of steel reinforcement is welded with vertical muscle infall using spot welding.
3. the prefabricated superposed type anti-collision wall according to claim 1 for urban viaduct, which is characterized in that described inside and outside
Interior outboard template when side precast concrete shingle nail is both a part and poured in place concrete for anticollision wall construction,
Metope plate thickness is 60mm~150mm, and length is 1.5m~3.0m；Wherein, precast concrete shingle nail in inside is using corrosion-resistant
Concrete for making or it is prefabricated when the corrosion resistant plane materiel of the embedding patch in surface.
4. the prefabricated superposed type anti-collision wall according to claim 1 for urban viaduct, which is characterized in that the outside
The pre-buried L-type bracket in precast concrete shingle nail bottom, is evenly arranged along anti-collision wall spacing 1m~1.5m, pre-buried at corresponding floorings
Vertical adjustment nut；Before anti-collision wall lifting, pre-buried vertical adjustment nut is first adjusted to design level absolute altitude, L-type bracket when lifting
Horizonal base plate directly fall on vertical adjustment nut, with support outside precast concrete shingle nail.
5. the prefabricated superposed type anti-collision wall according to claim 1 for urban viaduct, which is characterized in that the inside
The pre-buried L-type bracket with holes in precast concrete shingle nail bottom, L-type bracket with holes are evenly arranged along anti-collision wall spacing 1m~1.5m；
Pre-buried vertical screw rod at corresponding floorings, L-type bracket horizonal base plate with holes are provided with the hole of corresponding vertical screw rod, and in vertical spiral shell
Pacify a nut on bar in advance；Before anti-collision wall lifting, first adjusting nut to design level absolute altitude, when lifting, L-type bracket with holes was horizontal
Bottom plate is inserted in screw rod, and falls on the nut pacified in advance, with support inside precast concrete shingle nail；Adjust the position of anti-collision wall
Afterwards, a nut is installed again on vertical screw rod, L-type bracket with holes is fixed.
6. the prefabricated superposed type anti-collision wall according to claim 1 for urban viaduct, which is characterized in that the outside
Pre-cast concrete walling lower panels are equipped with lower hanging plate, and lower hanging plate is corresponding with the side of floorings.
7. the prefabricated superposed type anti-collision wall described in accordance with the claim 1 for urban viaduct, which is characterized in that in anti-collision wall
When in the middle part of bridge, anti-collision wall plays the role of dividing strip, in caged framework of steel reinforcement both sides precast concrete shingle nail；Outside
The bottom of precast concrete shingle nail and inside precast concrete shingle nail, pre-buried L-type bracket with holes, floorings top are pre-
Vertical screw rod is buried, the bottom plate of L-type bracket with holes is provided with the hole of corresponding pre-buried vertical screw rod, and a spiral shell is pacified on vertical screw rod top in advance
Mother, the bottom plate of L-type bracket with holes is inserted in vertical screw rod when lifting, and falls on the nut pacified in advance below, precast concrete metope
Gap between board bottom portion and floorings is blocked using dry cement mortar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820256917.1U CN207944339U (en) | 2018-02-13 | 2018-02-13 | A kind of prefabricated superposed type anti-collision wall for urban viaduct |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820256917.1U CN207944339U (en) | 2018-02-13 | 2018-02-13 | A kind of prefabricated superposed type anti-collision wall for urban viaduct |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265623A (en) * | 2018-02-13 | 2018-07-10 | 高强 | A kind of prefabricated superposed type anti-collision wall and its construction method for urban viaduct |
| CN110747733A (en) * | 2019-10-28 | 2020-02-04 | 杭州昂创科技有限公司 | Construction method of ecological prefabricated anti-collision wall |
| 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 |
-
2018
- 2018-02-13 CN CN201820256917.1U patent/CN207944339U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265623A (en) * | 2018-02-13 | 2018-07-10 | 高强 | A kind of prefabricated superposed type anti-collision wall and its construction method for urban viaduct |
| CN110747733A (en) * | 2019-10-28 | 2020-02-04 | 杭州昂创科技有限公司 | Construction method of ecological prefabricated anti-collision wall |
| 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 |
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