CN209323367U - Steel reinforced concrete composite beam bridge panel assembly seam construction based on early strong high performance concrete - Google Patents
Steel reinforced concrete composite beam bridge panel assembly seam construction based on early strong high performance concrete Download PDFInfo
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- CN209323367U CN209323367U CN201822000771.7U CN201822000771U CN209323367U CN 209323367 U CN209323367 U CN 209323367U CN 201822000771 U CN201822000771 U CN 201822000771U CN 209323367 U CN209323367 U CN 209323367U
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Abstract
The utility model discloses the steel reinforced concrete composite beam bridge panel assembly seam constructions based on early strong high performance concrete, including two steel box-girders arranged side by side and two prefabricated bridges arranged side by side, each steel box-girder accepts a prefabricated bridge respectively, and two steel box-girders are linked together by welding or bolt；Wet seam is formed filled with early strong high performance concrete between the two described prefabricated bridges；Multiple wet seam connection reinforcing bars are additionally provided in the morning strong high performance concrete；Multiple prefabricated bridge U-shaped reinforcing bars are respectively set on each prefabricated bridge, the curved end of the every prefabricated bridge U-shaped reinforcing bar protrudes into the morning strong high performance concrete.The utility model can make the construction period of each beam section shorten, and it is convenient to construct, and application operability and construction quality can be made to be greatly improved.
Description
Technical field
The utility model belongs to science of bridge building field, more particularly, to a kind of steel reinforced concrete composite beam bridge panel assembly seam
Structure.
Background technique
The common connection type of steel reinforced concrete composite beam bridge panel has: the wet seam of conventional concrete, splicing splicing, above common
Connection type the shortcomings that there are following aspect:
1), when seam wet using conventional concrete, construction period is limited to the age of concrete, long construction period.
2) according to splicing seam, because composite beam rigidity is small, deformation is big, leads to two beam section concrete slabs to be spliced
Shearing tooth socket, prestress pipe alignment there are great difficulties, directly affect duration and construction quality；Using epoxide-resin glue as glue
Object is connect, is organic matter, haves the shortcomings that easy to aging, there is the hidden danger of leak；Regular reinforcement can not be continuous, is unfavorable for the strong of structure
Degree and ductility.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model is provided based on early strong high performance concrete
Steel reinforced concrete composite beam bridge panel assembly seam construction, securely and reliably, short construction period, operability are good.
To achieve the above object, it according to the one aspect of the utility model, provides based on early strong high performance concrete
Steel reinforced concrete composite beam bridge panel assembly seam construction, including two steel box-girders arranged side by side and two prefabricated bridge floors arranged side by side
Plate, each steel box-girder accept a prefabricated bridge respectively, and two steel box-girders are fixed together, feature
It is:
Filled with early strong high performance concrete, the morning strong high performance concrete shape between the two described prefabricated bridges
At wet seam, and bridge deck structure is collectively formed in the two described prefabricated bridges and wet seam；
The more prefabricated bridge deformed bars being parallel to each other are provided in the prefabricated bridge, every described prefabricated
Floorings deformed bar both passes through the wet seam；
It is provided with more wet seam joint bars in the morning strong high performance concrete and they are parallel to each other, every described wet
Seam joint bar is vertical with the prefabricated bridge deformed bar respectively；
Multiple wet seam connection reinforcing bars are additionally provided in the morning strong high performance concrete, wherein each wet seam
Connection reinforcing bar is annular in shape, and the every wet seam joint bar is passed through from the inner hole of the wet seam connection reinforcing bar；
Multiple prefabricated bridge U-shaped reinforcing bars, the every prefabricated bridge U are respectively set on each prefabricated bridge
The curved end of shape reinforcing bar protrudes into the morning strong high performance concrete.
Preferably, two steel box-girders are fixed together by welding or bolt.
Preferably, the inner hole of the wet seam connection reinforcing bar is strip hole.
Preferably, these wet seams connect reinforcing bars along the lateral arrangement of wet seam.
Preferably, these prefabricated bridge U-shaped reinforcing bars being arranged on each prefabricated bridge along wet seam cross
To arrangement.
In general, it can obtain down the above technical solutions conceived by the present invention are compared with the prior art,
Column the utility model has the advantages that
1) compared to the conventional wet seam of concrete, the utility model can make the construction period of each beam section shorten 5 days
The time of left and right, short construction period help to improve working efficiency.
2) the utility model does not need the design shear tooth socket as conventional concrete is glued seam, and it is convenient to design and construct.
3) compared to conventional splicing seam, the utility model avoid because caused by composite beam rigidity is small, deformation is big two to
Shearing tooth socket, the prestress pipe of joggle beam section concrete floorings are aligned existing difficulty, and application operability is significantly promoted,
The quality for improving construction, shortens construction period.
4) reinforcing bar used in the utility model can be continuously arranged, and be conducive to the intensity and ductility that improve structure.
5) early strong high performance concrete used in the utility model is inorganic material, no epoxide-resin glue aging leak
Hidden danger.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is the distribution schematic diagram that wet seam connects reinforcing bar and prefabricated bridge U-shaped reinforcing bar in the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
As shown in Figure 1 and Figure 2, the steel reinforced concrete composite beam bridge panel assembly seam construction based on early strong high performance concrete, including
Two steel box-girders 1 arranged side by side and two prefabricated bridges 2 arranged side by side, each steel box-girder 1 accept an institute respectively
State prefabricated bridge 2, wherein
Two steel box-girders 1 are fixed together, and are preferably fixed together by welding or bolt；
Filled with early strong high performance concrete 4, the morning strong high performance concrete between the two described prefabricated bridges 2
4 form wet seam, and bridge deck structure is collectively formed with wet seam in the two described prefabricated bridges 2, wherein the morning is high by force
Performance concrete 4 is the high performance concrete added with early strength agent；
The more prefabricated bridge deformed bars 3 being parallel to each other are provided in the prefabricated bridge 2, every described pre-
Floorings deformed bar 3 processed both passes through the wet seam；
And filled with early strong high performance concrete 4 between them, the morning strong high performance concrete 4 forms wet seam,
Wherein, the morning strong high performance concrete 4 is the high performance concrete added with early strength agent；
More wet seam joint bars 5 are provided in the morning strong high performance concrete 4 and they are parallel to each other, described in every
Wet seam joint bar 5 is vertical with the prefabricated bridge deformed bar 3 respectively；
Be additionally provided in the morning strong high performance concrete 4 multiple wet seams connection reinforcing bars 6 and they along wet seam
Lateral arrangement, each wet seam connection reinforcing bar 6 is annular in shape, and inner hole is preferably strip hole, the every wet seam
Joint bar 5 is passed through from the inner hole of the wet seam connection reinforcing bar 6；
Be respectively set on each prefabricated bridge 2 multiple prefabricated bridge U-shaped reinforcing bars 7 and they along wet seam
Lateral arrangement, and these prefabricated bridge U-shaped reinforcing bars 7 also being longitudinally arranged along the wet seam joint bar 5, in addition, every
The curved end of the prefabricated bridge U-shaped reinforcing bar 7 protrudes into the morning strong high performance concrete 4.
Early strong high performance concrete is as wet joint concrete material, and intensity will be higher than bridge deck concrete, this connects
Sewer has more preferably mechanical property.
The utility model connects the wet seam of reinforcing bar 6 using the early strong wet seam of high performance concrete+wet seam joint bar 5+, early
Strong high performance concrete can improve construction efficiency, make to construct it is convenient, avoid joint filler aging, the wet wet seam of seam joint bar 5+ connects
Connecing reinforcing bar 6 can be improved the ductility and intensity of wet seam
The utility model using connection reinforcing bar unit connect with wet seam reinforcing bar it is arranged in a crossed manner by the way of, can allow wet seam
Intensity be greatly improved, mechanical property ability is stronger.The utility model uses lateral+longitudinally arranged along wet seam
Reinforcing bar can participate in the lateral stressed of wet seam by using wet seam joint bar, improve wet seam transverse direction overall performance；Pass through
Reinforcing bar is connected using longitudinal wet seam, ensure that floorings reinforcing bar is longitudinally connected in seam crossing, improve longitudinal globality
Energy.
The utility model is arranged a series of by the early strong high performance concrete 4 of setting and in early strong high performance concrete 4
Reinforcing bar help to improve the service life of bridge floor so that the intensity and ductility of structure are improved.
The utility model steel reinforced concrete composite beam bridge panel assembling module to apply method as follows:
1) 2 precast block of prefabricated bridge, it is whole after intensity to be achieved after merging cast-in-place wet seam with 1 section of group of steel box-girder
Lifting.
2) welding or bolt can be used in steel box-girder 1.Floorings are using the wet seam of early strong high performance concrete 4UHPC.
3) after the early strong high performance concrete 4UHPC of seam is poured for 24 hours, intensity reaches 60MPa or more, and stretch-draw prestressing force.
The utility model compares the wet seam of conventional concrete, and the construction period of each beam section can shorten 5 days, and not need
Tooth socket is sheared, it is convenient to construct；Secondly, compared to conventional splicing seam, avoid because of two caused by composite beam rigidity is small, deformation is big
Shearing tooth socket, the prestress pipe of beam section concrete slab to be spliced are aligned existing difficulty, and application operability significantly mentions
It rises, improves the quality of construction, shorten construction period.And the regular reinforcement used in the utility model can be continuous, favorably
In the intensity and ductility that improve structure.In addition, early strong high performance concrete is inorganic material, no epoxide-resin glue aging leak is hidden
Suffer from.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (5)
1. based on the steel reinforced concrete composite beam bridge panel assembly seam construction of early strong high performance concrete, including two steel arranged side by side
Box beam and two prefabricated bridges arranged side by side, each steel box-girder accept a prefabricated bridge, two institutes respectively
Steel box-girder is stated to be fixed together, it is characterised in that:
Filled with early strong high performance concrete between the two described prefabricated bridges, the morning strong high performance concrete forms wet
Seam, and bridge deck structure is collectively formed in the two described prefabricated bridges and wet seam；
The more prefabricated bridge deformed bars being parallel to each other, the every prefabricated bridge floor are provided in the prefabricated bridge
Board prestress reinforcing bar both passes through the wet seam；
It is provided with more wet seam joint bars in the morning strong high performance concrete and they are parallel to each other, the every wet seam
Joint bar is vertical with the prefabricated bridge deformed bar respectively；
Multiple wet seam connection reinforcing bars are additionally provided in the morning strong high performance concrete, wherein each wet seam connection
Reinforcing bar is annular in shape, and the every wet seam joint bar is passed through from the inner hole of the wet seam connection reinforcing bar；
Multiple prefabricated bridge U-shaped reinforcing bars, the every prefabricated bridge U-shaped steel are respectively set on each prefabricated bridge
The curved end of muscle protrudes into the morning strong high performance concrete.
2. the steel reinforced concrete composite beam bridge panel assembly seam construction according to claim 1 based on early strong high performance concrete,
It is characterized in that, two steel box-girders are fixed together by welding or bolt.
3. the steel reinforced concrete composite beam bridge panel assembly seam construction according to claim 1 based on early strong high performance concrete,
It is characterized in that, the inner hole of the wet seam connection reinforcing bar is strip hole.
4. the steel reinforced concrete composite beam bridge panel assembly seam construction according to claim 1 based on early strong high performance concrete,
It is characterized in that, lateral arrangement of these wet seam connection reinforcing bars along wet seam.
5. the steel reinforced concrete composite beam bridge panel assembly seam construction according to claim 1 based on early strong high performance concrete,
It is characterized in that, lateral cloth of these prefabricated bridge U-shaped reinforcing bars being arranged on each prefabricated bridge along wet seam
It sets.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822000771.7U CN209323367U (en) | 2018-11-30 | 2018-11-30 | Steel reinforced concrete composite beam bridge panel assembly seam construction based on early strong high performance concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822000771.7U CN209323367U (en) | 2018-11-30 | 2018-11-30 | Steel reinforced concrete composite beam bridge panel assembly seam construction based on early strong high performance concrete |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747735A (en) * | 2019-10-30 | 2020-02-04 | 赵鑫 | Anchoring connection device for precast concrete bridge deck of steel-concrete composite beam |
| CN111395168A (en) * | 2020-03-13 | 2020-07-10 | 中铁六局集团广州工程有限公司 | Continuous rigid frame separation type 0# block temporary filling device and construction method |
| CN111485471A (en) * | 2020-05-11 | 2020-08-04 | 山东智行咨询勘察设计院 | Wet joint structure suitable for fabricated pavement and construction method thereof |
| CN113215966A (en) * | 2021-05-12 | 2021-08-06 | 上海市城市建设设计研究总院（集团）有限公司 | Slice type precast concrete bridge pier |
| CN114775423A (en) * | 2022-03-24 | 2022-07-22 | 清华大学 | Concrete composite slab unit, concrete composite slab assembly, concrete composite slab bridge body and splicing construction method |
-
2018
- 2018-11-30 CN CN201822000771.7U patent/CN209323367U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747735A (en) * | 2019-10-30 | 2020-02-04 | 赵鑫 | Anchoring connection device for precast concrete bridge deck of steel-concrete composite beam |
| CN111395168A (en) * | 2020-03-13 | 2020-07-10 | 中铁六局集团广州工程有限公司 | Continuous rigid frame separation type 0# block temporary filling device and construction method |
| CN111395168B (en) * | 2020-03-13 | 2021-12-03 | 中铁六局集团广州工程有限公司 | Continuous rigid frame separation type 0# block temporary filling device and construction method |
| CN111485471A (en) * | 2020-05-11 | 2020-08-04 | 山东智行咨询勘察设计院 | Wet joint structure suitable for fabricated pavement and construction method thereof |
| CN111485471B (en) * | 2020-05-11 | 2022-03-11 | 山东智行咨询勘察设计院 | Wet joint structure suitable for fabricated pavement and construction method |
| CN113215966A (en) * | 2021-05-12 | 2021-08-06 | 上海市城市建设设计研究总院（集团）有限公司 | Slice type precast concrete bridge pier |
| CN114775423A (en) * | 2022-03-24 | 2022-07-22 | 清华大学 | Concrete composite slab unit, concrete composite slab assembly, concrete composite slab bridge body and splicing construction method |
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