CN208202643U - One kind adding concrete beam strengthening floor construction - Google Patents
One kind adding concrete beam strengthening floor construction Download PDFInfo
- Publication number
- CN208202643U CN208202643U CN201820162148.9U CN201820162148U CN208202643U CN 208202643 U CN208202643 U CN 208202643U CN 201820162148 U CN201820162148 U CN 201820162148U CN 208202643 U CN208202643 U CN 208202643U
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- Prior art keywords
- concrete
- floor
- newly
- principal rod
- floor construction
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- 239000004567 concrete Substances 0.000 title claims abstract description 88
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 238000005728 strengthening Methods 0.000 title claims abstract description 22
- 230000002787 reinforcement Effects 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 239000007800 oxidant agent Substances 0.000 claims description 15
- 230000001590 oxidative effect Effects 0.000 claims description 15
- 210000003205 muscle Anatomy 0.000 claims description 8
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000007596 consolidation process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses one kind to add concrete beam strengthening floor construction, including concrete floor and Vierendeel girder, distributing reinforcement is provided in the concrete floor, the newly-increased beam vertical with the concrete floor is arranged in the concrete floor, the reinforcing bar of the newly-increased beam is securely connect with distributing reinforcement in the plate of former concrete floor and Vierendeel girder, enhance beam slab integraty and bearing capacity, consolidation effect is good, and it is simple to construct, it vibrates conveniently, reduce floor reinforcement cost, it can guarantee high insufficient in layer, in the case that deck-molding is restricted, it is effective to reduce beam clear height.
Description
Technical field
The utility model relates to building structure technology fields more particularly to one kind to add concrete beam strengthening floor construction.
Background technique
In the existing structure for adding concrete beam strengthening floor, beam, Liang Heban only Kao Liang, plate junction are increased newly under plate
Interfacial agents be attached, slab muscle is not overlapped with beam steel, not can guarantee globality, the reliability of beam slab, and concrete is applied
Working hour vibrate it is difficult, can not sufficiently be vibrated；Reinforcing bar on newly-increased beam be only construct muscle, can not stress, only increase deck-molding
It is just able to satisfy construction demand, so that beam self weight increases, causes waste of raw materials, and the high insufficient, limitation of layer can not be coped with and increase beam
For the reinforcing of floor in the case where high.
Utility model content
The utility model a kind of overcomes adding for drawbacks described above in the prior art mainly solving the technical problems that providing
Concrete beam strengthening floor construction.
In order to solve the above technical problems, the technical solution adopted in the utility model is: providing one kind and add beams of concrete and add
Gu floor construction, including concrete floor and Vierendeel girder, are provided with distributing reinforcement in the concrete floor, in the concrete
Floor is arranged with the newly-increased beam vertical with the concrete floor；The newly-increased beam includes multiple rectangle hoops arranged side by side
Muscle, the rectangle hoop are worn to the concrete floor top and are welded with the distributing reinforcement；In the quadrangle of the rectangle hoop
Inside is welded with the two top principal rods and two lower part principal rods extended along the newly-increased beam length direction, the top by
Power muscle is welded on the distributing reinforcement；The both ends bar planting of the top principal rod, lower part principal rod enters in the Vierendeel girder；?
Concrete is perfused between the rectangle hoop, top principal rod and lower part principal rod.
Preferably, the span of the concrete floor is not more than 6m.
Preferably, Article 3 lower part principal rod is additionally provided between two lower part principal rods.
Preferably, the middle part of two lower part principal rods is arranged in Article 3 lower part principal rod.
Preferably, on the concrete floor be provided with the first dabbing portion at the interface of the newly-increased beam, in institute
State on Vierendeel girder be provided with the second dabbing portion at the interface of the newly-increased beam.
Preferably, the first concrete interface oxidant layer is provided on the surface in first dabbing portion, in second chisel
The second concrete interface oxidant layer is provided on the surface in hair portion.
Preferably, the first concrete interface oxidant layer, the second concrete interface oxidant layer with a thickness of 1~2mm.
Preferably, the rectangle hoop, top principal rod, lower part principal rod are the HRB400 reinforcing bar that diameter is greater than 12mm.
Compared to the prior art, provided by the utility model to add in concrete beam strengthening floor construction, remove one
Beams of concrete is added to reinforce former concrete floor after dividing concrete slab, is increased newly and is distributed in the plate of beam steel and former concrete floor
Muscle and Vierendeel girder securely connect, and enhance beam slab integraty and bearing capacity, and it is simple to construct, and vibrates conveniently, reduces floor
Reinforcement cost；Guarantee effectively reduce beam clear height in the case where the high insufficient, deck-molding of layer is restricted.
Detailed description of the invention
Fig. 1 is to add to increase beam and concrete in concrete beam strengthening floor construction newly in one preferred embodiment of the utility model
The attachment structure schematic diagram of floor；
Fig. 2 is to add to increase beam and Vierendeel girder in concrete beam strengthening floor construction newly in one preferred embodiment of the utility model
Attachment structure schematic diagram.
The components in the drawings are labeled as follows: 10- concrete floor；101- distributing reinforcement；The first dabbing of 11- portion；110-
One concrete interface oxidant layer；20- Vierendeel girder；The second dabbing of 21- portion；210- the second concrete interface oxidant layer；30- increases beam newly；
301- rectangle hoop；The top 302- principal rod；303, the lower part 304- principal rod.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
One embodiment of the utility model provides one kind and adds concrete beam strengthening floor construction, in former concrete floor
It is upper to remove concrete parts corresponding with newly-increased beam shape, size, retain distributing reinforcement in the plate of former floor, then installation is newly-increased
Beam is with reinforced concrete floor.
Please refer to Fig. 1 and Fig. 2, in the present embodiment, the concrete beam strengthening floor construction of adding includes concrete
Floor 10 and Vierendeel girder 20, wherein the span of the concrete floor 10 is not more than 6m, preferably smaller than 6m, in the concrete
Distributing reinforcement 101 is provided in floor 10.
Fig. 1, which is shown, adds newly-increased beam 30 and concrete floor 10 in concrete beam strengthening floor construction in the present embodiment
Connection structure, Fig. 2 shows newly-increased beam 30 and Vierendeel girder 20 in concrete beam strengthening floor construction are added in the present embodiment
Connection structure, the newly-increased beam 30 vertical with the concrete floor 10 is arranged in the concrete floor 10；It is described new
Increasing beam 30 includes multiple rectangle hoops 301 arranged side by side, and the rectangle hoop 301 is worn to 10 top of concrete floor simultaneously
Welded with the distributing reinforcement 101, i.e., the described newly-increased beam 30 protrudes into the concrete floor 10, and with the concrete floor 10
Securely connection；It is welded on the inside of the quadrangle of the rectangle hoop 301 along two that newly-increased 30 length direction of beam extends
Portion's principal rod 302 and two lower part principal rods 303, the top principal rod 302 are welded on the distributing reinforcement 101；On described
The both ends bar planting of portion's principal rod 302, lower part principal rod 303 enters in the Vierendeel girder 20.The bar planting structure refers in institute
It states and drills on Vierendeel girder 20, be then injected into high-strength anchoring adhesive, then by the end of the top principal rod 302, lower part principal rod 303
Insertion, the top principal rod 302, lower part principal rod 303 and the Vierendeel girder 20 are bonded as one after high-strength bar planting adhesive curing.
In the present embodiment, the rectangle hoop 301, top principal rod 302, lower part principal rod 303 are that diameter is greater than 12mm
HRB400 reinforcing bar.Distributing reinforcement 101 and Vierendeel girder in the plate of the reinforcing bar 301,302 of the newly-increased beam 30 and former concrete floor 10
20 securely connections, enhance the integraty and bearing capacity of beam slab, existing compared in background technique to add concrete beam strengthening floor
Structure, consolidation effect are good；Without increasing the deck-molding of newly-increased beam 30, the reinforcement criteria of construction can be met, guarantee layer it is high it is insufficient,
In the case that deck-molding is restricted, it can effectively reduce beam clear height.
Concrete, the square are perfused between the rectangle hoop 301, top principal rod 302 and lower part principal rod 303
U stirrup 301, top principal rod 302 and lower part principal rod 303 form the frame structure of the newly-increased beam 30, the concrete
It is poured into the frame structure and forms, form the newly-increased beam 30 and need first to set up newly-increased beam 30 before concrete perfusion
Beam forms, to assist the concrete formation, newly-increased beam 30 removes the beam forms after completing filling concrete, maintenance.One
In a preferred embodiment, it is additionally provided with Article 3 lower part principal rod 304 between two lower part principal rods 303, with
The support strength for improving the frame structure further increases the bearing capacity of the newly-increased beam 30, further, the Article 3
The middle part of two lower part principal rods 303 is arranged in lower part principal rod 304.
In the present embodiment, the first dabbing is provided with at the interface of the newly-increased beam 30 on the concrete floor 10
Portion 11, and the first concrete interface oxidant layer 110 is provided on the surface in first dabbing portion 11, to ensure the newly-increased beam
30 hand over the secure bond at interface with the concrete floor 10；On the Vierendeel girder 20 with the interface of the newly-increased beam 30
Place is provided with the second dabbing portion 21, and the second concrete interface oxidant layer 210 is provided on the surface in second dabbing portion 21,
To ensure that the newly-increased beam 30 and the Vierendeel girder 20 hand over the secure bond at interface.Wherein, first concrete interface agent
Concrete interface agent in the 110, second concrete interface oxidant layer 210 of layer is a kind of polymer-modified cement-based strength adhesive,
With good water-fast, wet-heat resisting, freezing and thawing performance and superpower two-way caking property, play the role of " bonded bridge ", with described
One dabbing portion 11, the cooperation of the second dabbing portion 21 are capable of increasing viscous between newly-increased beam 30 and the concrete floor 10, Vierendeel girder
Power is tied, is made it combine as monolithic concrete structure.
In the present embodiment, the first concrete interface oxidant layer 110, the second concrete interface oxidant layer 210 with a thickness of 1~
2mm, preferably 1.5mm.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (8)
1. one kind adds concrete beam strengthening floor construction, including concrete floor and Vierendeel girder, in the concrete floor
It is provided with distributing reinforcement, which is characterized in that the newly-increased beam vertical with the concrete floor is arranged in the concrete floor；
The newly-increased beam includes multiple rectangle hoops arranged side by side, the rectangle hoop wear at the top of the concrete floor and with institute
State distributing reinforcement welding；Two tops extended along the newly-increased beam length direction are welded on the inside of the quadrangle of the rectangle hoop
Principal rod and two lower part principal rods, the top principal rod are welded on the distributing reinforcement；The top principal rod, lower part by
The both ends bar planting of power muscle enters in the Vierendeel girder；It is perfused between the rectangle hoop, top principal rod and lower part principal rod
There is concrete.
2. according to claim 1 add concrete beam strengthening floor construction, which is characterized in that the concrete floor
Span is not more than 6m.
3. according to claim 1 add concrete beam strengthening floor construction, which is characterized in that two lower parts by
Article 3 lower part principal rod is additionally provided between power muscle.
4. according to claim 3 add concrete beam strengthening floor construction, which is characterized in that the Article 3 lower part by
The middle part of two lower part principal rods is arranged in power muscle.
5. according to claim 1 add concrete beam strengthening floor construction, which is characterized in that in the concrete floor
It is provided with the first dabbing portion at the upper interface with the newly-increased beam, on the Vierendeel girder and at the interface of the newly-increased beam
It is provided with the second dabbing portion.
6. according to claim 5 add concrete beam strengthening floor construction, which is characterized in that in first dabbing portion
Surface on be provided with the first concrete interface oxidant layer, the second concrete interface is provided on the surface in second dabbing portion
Oxidant layer.
7. according to claim 6 add concrete beam strengthening floor construction, which is characterized in that the first coagulation pedosphere
Face oxidant layer, the second concrete interface oxidant layer with a thickness of 1~2mm.
8. according to claim 1 add concrete beam strengthening floor construction, which is characterized in that the rectangle hoop, on
Portion's principal rod, lower part principal rod are the HRB400 reinforcing bar that diameter is greater than 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820162148.9U CN208202643U (en) | 2018-01-31 | 2018-01-31 | One kind adding concrete beam strengthening floor construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820162148.9U CN208202643U (en) | 2018-01-31 | 2018-01-31 | One kind adding concrete beam strengthening floor construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208202643U true CN208202643U (en) | 2018-12-07 |
Family
ID=64533946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820162148.9U Expired - Fee Related CN208202643U (en) | 2018-01-31 | 2018-01-31 | One kind adding concrete beam strengthening floor construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208202643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293809A (en) * | 2022-02-21 | 2022-04-08 | 央固工程科技（上海）有限公司 | Construction method and structure for reinforcing variable cross section of beam |
-
2018
- 2018-01-31 CN CN201820162148.9U patent/CN208202643U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293809A (en) * | 2022-02-21 | 2022-04-08 | 央固工程科技（上海）有限公司 | Construction method and structure for reinforcing variable cross section of beam |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20190131 |
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| CF01 | Termination of patent right due to non-payment of annual fee |