CN209292893U - A kind of prefabricated assembled floorings splicing structure - Google Patents
A kind of prefabricated assembled floorings splicing structure Download PDFInfo
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- CN209292893U CN209292893U CN201822133116.9U CN201822133116U CN209292893U CN 209292893 U CN209292893 U CN 209292893U CN 201822133116 U CN201822133116 U CN 201822133116U CN 209292893 U CN209292893 U CN 209292893U
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Abstract
The utility model relates to a kind of prefabricated assembled floorings splicing structures, which is characterized in that including 2 bottom supporting beams and multiple panels, the WELDING STUDS in the supporting beam of bottom passes through the preformed hole on panel, and UHPC is perfused.In transverse direction, panel is provided with the linear transverse joint through entire panel, and prestress wire passes through the transverse joint of multiple panels, and is fixed by backing plate and anchorage；On longitudinal direction, the longitudinal joint of shaped form is provided on the edge that 2 adjacent panels close on, longitudinal joint one end is located at side, and the other end is located at upper surface, and prestress wire passes through the longitudinal joint of adjacent 2 panels, and fixes by backing plate and anchorage.The bottom supporting beam of the utility model passes through pre-buried WELDING STUDS at the scene with prefabricated reinforced concrete floorings and cast-in-place UHPC is attached, and has good shear behavior and switching performance；Assembly is carried out using the method for precast block between panel, the quality and volume of prefabricated components can be reduced, solves the problems, such as that transporting and hoisting and construction are in place difficult.
Description
Technical field
The utility model relates to packaged type bridges construction applications more particularly to a kind of prefabricated assembled floorings assembly knots
Structure.
Background technique
In China, research gradually increases bridge prefabrication assembling technique in recent years, but is largely focused on the section of substructure
Section assembling technique, and superstructure uses always traditional form of construction work, correlative study is also less.Prefabricated bridge connection type
And its building method is most important to bridge prefabrication mounting technology, reasonable prefabrication and assembly construction floorings connection type and building method
It can not only solve the problems, such as that component conveying lifting is difficult, and situ wet operation workload can be reduced, shorten the construction period,
Reduce labor cost.There are more research in foreign countries to superstructure precast assembly technology, but most of research is mixed just for steel-
Composite beam bridge, and Bridges in Our Country mostly uses concrete I-beam or small box girder.
The prefabricated assembled floorings in China mostly use greatly overall with prefabricated at present, the connection side of cast in situs transverse joint cast-in-site stripe
Formula.Using overall with prefabricated bridge for wider width bridge it will cause each component volume, quality are very big, lifting fortune
Defeated, construction difficulty in place, construction precision reduce.
Utility model content
The purpose of this utility model is that in place of solving the above deficiencies in the existing technologies.
To achieve the above object, the utility model provides a kind of prefabricated assembled floorings splicing structure, including 2 bottoms
Supporting beam and multiple prefabricated reinforced concrete floorings；Prefabricated reinforced concrete floorings are provided with a plurality of parallel be of a straight line type
Transverse joint, transverse joint extends transversely through the inside of prefabricated reinforced concrete floorings, 2 longitudinal edges of prefabricated reinforced concrete floorings
The upper surface of edge is respectively arranged with reserved transverse joint cast-in-site stripe；One transverse edge of prefabricated reinforced concrete floorings, which is provided with, is in
The longitudinal joint of shaped form, longitudinal joint are located at the inside of prefabricated reinforced concrete floorings, and one end of longitudinal joint is located at prefabricated reinforced concrete
The side of floorings, the other end of every longitudinal joint are located at the upper surface of prefabricated reinforced concrete floorings.Wherein, transverse edge is
It is parallel to the edge of transverse joint, longitudinal edge is the edge perpendicular to transverse joint；It is additionally provided with and passes through on prefabricated reinforced concrete floorings
The reserved shearing nail hole of prefabricated reinforced concrete floorings is worn, reserves shearing nail hole perpendicular to prefabricated reinforced concrete floorings institute
In plane；Multiple WELDING STUDSs are provided in the supporting beam of bottom, each WELDING STUDS passes through a reserved shearing nail hole；In the longitudinal direction,
Prestress wire is provided between adjacent prefabricated reinforced concrete floorings, 2 adjacent transverse edges are vertical to be provided with
The edge of seam, 2 prestress wires pass through the longitudinal joint of 2 adjacent prefabricated reinforced concrete floorings；Horizontally, prefabricated
It is connected between reinforced concrete bridge deck plate also by prestress wire, every prestress wire passes through prefabricated reinforced concrete
Transverse joint on floorings.
Preferably, horizontally, the endpoint of prestress wire is fixed on prefabricated reinforced concrete by backing plate and anchorage
On floorings.
Preferably, in the longitudinal direction, the endpoint of prestress wire is fixed on prefabricated reinforced concrete by backing plate and anchorage
On floorings.
Preferably, UHPC has also been poured in reserved shearing nail hole.
Preferably, high-strength nut is welded with above WELDING STUDS.
The utility model is the utility model has the advantages that 1. bottom supporting beams pass through pre-buried cut with prefabricated reinforced concrete floorings at the scene
Power nail and cast-in-place UHPC carry out connection between the two, have good shear behavior and switching performance.
2. prefabricated assembled floorings carried out using the method for precast block it is assembled, significantly reduce the quality of prefabricated components with
Volume solves the problems, such as that transporting and hoisting and construction are in place difficult.
3. using UHPC when pouring between the prefabricated assembled floorings longitudinal joint and transverse joint, the shear behavior of junction is improved
With anti-bending strength.
4. the prefabricated assembled floorings simple structure, so that making and constructing more convenient, quick.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of prefabricated assembled floorings splicing structure provided by the embodiment of the utility model；
Fig. 2 is a kind of connection relationship side view of prefabricated assembled floorings and I-beam provided by the embodiment of the utility model
Figure；
Fig. 3 is that the connection relationship of a kind of prefabricated assembled floorings and I-beam provided by the embodiment of the utility model is overlooked
Figure；
Fig. 4 is a kind of longitudinal joint connection side view of prefabricated assembled floorings provided by the embodiment of the utility model；
Fig. 5 is that a kind of longitudinal joint of prefabricated assembled floorings provided by the embodiment of the utility model connects top view；
Fig. 6 is a kind of transverse joint connection side view of prefabricated assembled floorings provided by the embodiment of the utility model；
Fig. 7 is that a kind of transverse joint of prefabricated assembled floorings provided by the embodiment of the utility model connects top view；
Description of symbols:
1-prefabricated reinforced concrete I-beam, 2-prefabricated reinforced concrete floorings, 3-WELDING STUDSs, 4-longitudinal joints, 5-
Reserved transverse joint cast-in-site stripe, 6-transverse joints, 7-reserved longitudinal joint cast-in-site stripes, 8-prestress wires, 9-backing plates, 10-anchorages,
11-foam support bars, 12-reserved shearing nail hole.
Specific embodiment
With reference to the accompanying drawings and examples, the technical solution of the utility model is described in further detail.
Such as Fig. 1-7, the utility model embodiment provides a kind of prefabricated assembled floorings splicing structure, including 2 prefabricated
Armored concrete I-shaped beam 1 and multiple prefabricated reinforced concrete floorings 2.Here prefabricated reinforced concrete I-beam can be with
Replace with small box girder.
Prefabricated reinforced concrete floorings 2 are provided with 3 parallel transverse joints 6 being of a straight line type, and transverse joint 6 extends transversely through prefabricated
The upper surface of the inside of reinforced concrete bridge deck plate 2,2 longitudinal edges of prefabricated reinforced concrete floorings 2 is respectively arranged with 4
A reserved transverse joint cast-in-site stripe 5.
One transverse edge of prefabricated reinforced concrete floorings 2 is provided with the longitudinal joint 4 of 2 curved types, and longitudinal joint 4 is located at
The inside of prefabricated reinforced concrete floorings 2, one end of every longitudinal joint 4 are located at the side of prefabricated reinforced concrete floorings 2, often
The other end of longitudinal joint 4 is located at the upper surface of prefabricated reinforced concrete floorings 2.Wherein, transverse edge is to be parallel to transverse joint 6
Edge, longitudinal edge are the edge perpendicular to transverse joint 6.
2 reserved shearings for running through prefabricated reinforced concrete floorings 2 are additionally provided on prefabricated reinforced concrete floorings 2
Nail hole 12 reserves shearing nail hole 12 perpendicular to 2 place plane of prefabricated reinforced concrete floorings.
Multiple WELDING STUDSs 3 are provided on prefabricated reinforced concrete I-beam 1, each WELDING STUDS 3 passes through a reserved shearing
Nail hole 12.
In the longitudinal direction, 2 prestress wires 8 are provided between adjacent prefabricated reinforced concrete floorings 2, it is adjacent
2 transverse edges are the edge for being provided with longitudinal joint 4, and 2 prestress wires 8 pass through 2 adjacent prefabricated reinforced concrete bridges
The longitudinal joint 4 of panel 2.
Horizontally, it is connected between prefabricated reinforced concrete floorings 2 also by prestress wire 8, every prestressing force
Steel strand wires 8 pass through the transverse joint 6 on prefabricated reinforced concrete floorings 2.
In one example, horizontally, the endpoint of prestress wire 8 is fixed on prefabricated by backing plate 9 and anchorage 10
On reinforced concrete bridge deck plate 2.
In one example, in the longitudinal direction, the endpoint of prestress wire 8 is fixed on prefabricated by backing plate 9 and anchorage 10
On reinforced concrete bridge deck plate 2.
In one example, ultra-high performance concrete (Ultra-High has also been poured in reserved shearing nail hole 12
Performance Concrete, UHPC).
In one example, be enhancing WELDING STUDS 3 shear resistance, guarantee prefabricated reinforced concrete I-beam 1 with it is prefabricated
The bonding strength of reinforced concrete bridge deck plate 2 is welded with high-strength nut above WELDING STUDS 3.
The utility model embodiment also provides the production method of above-mentioned prefabricated assembled floorings splicing structure.
In factory process prefabricated reinforced concrete I-beam 1 and prefabricated reinforced concrete floorings 2, specific procedure of processing is such as
Under:
1) WELDING STUDS 3 is made, High-strength plate and bar is cut according to design size in factory, guarantees under WELDING STUDS 3
Portion's steel plate and vertical bar have enough areas and length, and weld high-strength nut above WELDING STUDS 3, cut to enhance
The shear resistance of power nail 3, guarantees prefabricated reinforced concrete I-beam 1 and 2 bonding strength of prefabricated reinforced concrete floorings.
2) prefabricated reinforced concrete I-beam 1 binds 1 inside steel mesh of prefabricated reinforced concrete I-beam, by WELDING STUDS 3
It is placed in reserved location on steel mesh, casting concrete.
3) prefabricated reinforced concrete floorings 2, in 2 internal reservation longitudinal joint 4 of prefabricated reinforced concrete floorings, transverse joint 6, pre-
Stay transverse joint cast-in-site stripe 5 and reserved shearing nail hole 12, casting concrete.
The utility model embodiment also provides the assemble method of above-mentioned prefabricated assembled floorings splicing structure:
1) prefabricated reinforced concrete I-beam 1 is lifted to design position and fixation.
2) prefabricated reinforced concrete floorings 2 are lifted on design position, so that pacifying on prefabricated reinforced concrete I-beam 1
The WELDING STUDS 3 of dress accurately passes through the reserved shearing nail hole 12 on prefabricated reinforced concrete floorings 2.
3) transverse joint between prefabricated reinforced concrete floorings 2 is connected.Prestress wire 8 is passed through into transverse joint 6, in reserved cross
It stitches and foam support bar 11 is installed below cast-in-site stripe 5, prevent filling process spillage, pour UHPC in reserved transverse joint cast-in-site stripe 6, pouring
It sufficiently vibrates during building, guarantees pouring quality.Stretch-draw prestressing force steel strand wires 8 install backing plate 9 at 8 both ends of prestress wire,
Use 10 tensioning of anchorage along the connection fully ensured that along bridge to prestress wire 8 between floorings transverse joint.
4) longitudinal joint between prefabricated reinforced concrete floorings 2 is connected.Prestress wire 8 is passed through into longitudinal joint 4, in longitudinal direction
On, there are reserved longitudinal joint cast-in-site stripes 7 between the prefabricated reinforced concrete floorings 2 that are connected, and place below reserved longitudinal joint cast-in-site stripe 7
The foam support bar 11 of suitable dimension, prevents casting process spillage, pours UHPC in reserved longitudinal joint cast-in-site stripe 7.Tensioning connection is vertical
The prestress wire 8 of seam pours UHPC at both ends after stretch-draw prestressing force steel strand wires 8 and guarantees bridge floor plate flatness.
5) UHPC is poured in reserved shearing nail hole 12, guaranteed prefabricated reinforced concrete I-beam 1 and precast reinforced coagulation
Connection between native floorings 2.
Above specific embodiment has carried out further the purpose of this utility model, technical scheme and beneficial effects
It is described in detail, it should be understood that the above is only the specific embodiments of the utility model, is not used to limit originally practical
Novel protection scope, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of prefabricated assembled floorings splicing structure, which is characterized in that including 2 bottom supporting beams (1) and multiple prefabricated
Reinforced concrete bridge deck plate (2)；
The prefabricated reinforced concrete floorings (2) are provided with a plurality of parallel transverse joint (6) being of a straight line type, the transverse joint (6)
The inside of the prefabricated reinforced concrete floorings (2) is extended transversely through, 2 of the prefabricated reinforced concrete floorings (2) are vertical
Extrorse upper surface is respectively arranged with reserved transverse joint cast-in-site stripe (5)；
One transverse edge of the prefabricated reinforced concrete floorings (2) is provided with the longitudinal joint (4) of curved type, the longitudinal joint
(4) it is located at the inside of the prefabricated reinforced concrete floorings (2), one end of longitudinal joint (4) is located at the prefabricated reinforced concrete
The side of floorings (2), the other end of every longitudinal joint (4) are located at the upper surface of the prefabricated reinforced concrete floorings (2)；Its
In, the transverse edge is the edge for being parallel to the transverse joint (6), and the longitudinal edge is the side perpendicular to the transverse joint (6)
Edge；
It is additionally provided on the prefabricated reinforced concrete floorings (2) through the pre- of the prefabricated reinforced concrete floorings (2)
Shearing nail hole (12) is stayed, the reserved shearing nail hole (12) is perpendicular to plane where the prefabricated reinforced concrete floorings (2)；
It is provided with multiple WELDING STUDSs (3) on the bottom supporting beam (1), each WELDING STUDS (3) passes through a reserved shearing
Nail hole (12)；
In the longitudinal direction, it is provided with prestress wire (8) between adjacent prefabricated reinforced concrete floorings (2), adjacent 2
Transverse edge is the edge for being provided with longitudinal joint (4), and 2 prestress wires (8) pass through 2 adjacent precast reinforced coagulations
The longitudinal joint (4) of native floorings (2)；
Horizontally, it is connected between prefabricated reinforced concrete floorings (2) also by prestress wire (8), every prestressing force
Steel strand wires (8) pass through the transverse joint (6) on prefabricated reinforced concrete floorings (2).
2. prefabricated assembled floorings splicing structure according to claim 1, which is characterized in that horizontally, described pre-
The endpoint of prestress steel strand (8) is fixed on the prefabricated reinforced concrete floorings (2) by backing plate (9) and anchorage (10).
3. prefabricated assembled floorings splicing structure according to claim 1, which is characterized in that in the longitudinal direction, described pre-
The endpoint of prestress steel strand (8) is fixed on the prefabricated reinforced concrete floorings (2) by backing plate (9) and anchorage (10).
4. prefabricated assembled floorings splicing structure according to claim 1, which is characterized in that described to be cut in described reserve
UHPC has also been poured in power nail hole (12).
5. prefabricated assembled floorings splicing structure according to claim 1, which is characterized in that on the WELDING STUDS (3)
Side is welded with high-strength nut.
6. prefabricated assembled floorings splicing structure according to claim 1, which is characterized in that the bottom supporting beam is
Prefabricated reinforced concrete I-beam or small box girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822133116.9U CN209292893U (en) | 2018-12-19 | 2018-12-19 | A kind of prefabricated assembled floorings splicing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822133116.9U CN209292893U (en) | 2018-12-19 | 2018-12-19 | A kind of prefabricated assembled floorings splicing structure |
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| Publication Number | Publication Date |
|---|---|
| CN209292893U true CN209292893U (en) | 2019-08-23 |
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ID=67655290
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822133116.9U Active CN209292893U (en) | 2018-12-19 | 2018-12-19 | A kind of prefabricated assembled floorings splicing structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371836A (en) * | 2018-12-19 | 2019-02-22 | 北京市政路桥股份有限公司 | A kind of prefabricated assembled floorings splicing structure |
| CN111455846A (en) * | 2020-03-13 | 2020-07-28 | 山东大学 | Prefabricated assembled transverse prestress bridge deck and bridge |
-
2018
- 2018-12-19 CN CN201822133116.9U patent/CN209292893U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371836A (en) * | 2018-12-19 | 2019-02-22 | 北京市政路桥股份有限公司 | A kind of prefabricated assembled floorings splicing structure |
| CN111455846A (en) * | 2020-03-13 | 2020-07-28 | 山东大学 | Prefabricated assembled transverse prestress bridge deck and bridge |
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