CN208934256U - A kind of FRP stirrup high strength steel fiber reinforced concrete column - Google Patents
A kind of FRP stirrup high strength steel fiber reinforced concrete column Download PDFInfo
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- CN208934256U CN208934256U CN201821414340.9U CN201821414340U CN208934256U CN 208934256 U CN208934256 U CN 208934256U CN 201821414340 U CN201821414340 U CN 201821414340U CN 208934256 U CN208934256 U CN 208934256U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 54
- 239000010959 steel Substances 0.000 title claims abstract description 54
- 239000011210 fiber-reinforced concrete Substances 0.000 title claims abstract description 37
- 230000002787 reinforcement Effects 0.000 claims abstract description 40
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 28
- 239000004567 concrete Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 10
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 claims description 3
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 claims description 3
- 101710107464 Probable pyruvate, phosphate dikinase regulatory protein, chloroplastic Proteins 0.000 claims description 3
- 239000004918 carbon fiber reinforced polymer Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- PZHFCAIXAVDQAK-STQWGSIPSA-N 1-n-[(2s,3s,5r)-3-amino-6-(4-fluoroanilino)-5-methyl-6-oxo-1-phenylhexan-2-yl]-3-n,3-n-dipropylbenzene-1,3-dicarboxamide Chemical compound CCCN(CCC)C(=O)C1=CC=CC(C(=O)N[C@@H](CC=2C=CC=CC=2)[C@@H](N)C[C@@H](C)C(=O)NC=2C=CC(F)=CC=2)=C1 PZHFCAIXAVDQAK-STQWGSIPSA-N 0.000 claims 8
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 16
- 239000011372 high-strength concrete Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011151 fibre-reinforced plastic Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002748 Basalt fiber Polymers 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
A kind of FRP stirrup high strength steel fiber reinforced concrete column, including high strength steel fiber reinforced concrete and reinforcing bar keel shoe, reinforcing bar keel shoe is cylinder, the diameter of reinforcing bar keel shoe and the length ratio of height are 7 ~ 28, reinforcing bar keel shoe includes vertical main reinforcement, the main stirrup of FRP and the outer stirrup of FRP, the vertical uniform intervals of the main stirrup of FRP are sheathed on the outside of vertical main reinforcement, the main stirrup of FRP is annulus, uniform intervals are equipped with fixation hole on the inside of annulus, in vertical main reinforcement, one layer of fixation circular layer for preventing the main stirrup of FRP from gliding is equipped with below each main stirrup of FRP, the fixed ring that fixed circular layer is vertically fixed on the outside of vertical main reinforcement by several forms, the outer stirrup of FRP is fastened on the outside of vertical main reinforcement obliquely through the fixed ring of every layer of fixed circular layer from bottom to top；The setting of the outer stirrup of FRP can increase the frictional force between reinforcing bar keel shoe and steel fiber reinforced concrete in the utility model, and reinforcing bar keel shoe and steel fiber reinforced concrete bonding force are big, and tension and shear resistance are strong, are also effectively saved the raw material usage amount of pile body.
Description
Technical field
The utility model belongs to building engineering field more particularly to a kind of FRP stirrup high strength steel fiber reinforced concrete column.
Background technique
Ordinary reinforced concrete column is widely applied in building engineering field, but have the defects that it is certain, in spy
Under different environment, durability is poor, since concrete cover is easy to produce crack or even falls off, cannot effectively generate to reinforcing bar good
Good protective effect, leads to steel bar corrosion, reduces the service life of structure.As the appearance of large span, large spatial structure is to material
The mechanical property of the material of material proposes higher requirement, traditional reinforced column it is impossible to meet.Due to there is kind
Kind defect is subject to certain restrictions in the application of certain fields.
Start the high tensile reinforcement being applied in Practical Project enhancing high-strength concrete column component, takes full advantage of high-strength steel
The high strength characteristics of muscle and high-strength concrete can increase substantially the bearing capacity of column, reduce sectional dimension, material consumption and reduction
Dead load.But as the raising of concrete strength, Brittleness of Concrete are gradually increased, component ductility is gradually decreased, these are special
Property is totally unfavorable to earthquake-resistant structure etc., and steel fibre is added in high-strength concrete concrete, can increase substantially measurement steel fibre
The toughness of concrete plastically deformed performance.
Utility model content
The purpose of the utility model is to provide a kind of FRP stirrup high strength steel fiber reinforced concrete columns, and it is mixed to solve the prior art
The reinforcing bar keel shoe of solidifying earth pillar is self-possessed overweight technical problem；And solve prior art reinforcing bar keel shoe and concrete bonding power mistake
It is small, the excessive technical problem of concrete usage amount.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of FRP stirrup high strength steel fiber reinforced concrete column, it is characterised in that: including high strength steel fiber reinforced concrete and reinforcing bar dragon
Skeleton, the reinforcing bar keel shoe are cylinder, and the diameter of reinforcing bar keel shoe and the length ratio of height are 7~28, the reinforcing bar dragon
Skeleton includes the outer stirrup of vertical main reinforcement, the main stirrup of FRP and FRP, and the vertical uniform intervals of the main stirrup of FRP are sheathed on vertical main reinforcement
Outside, the main stirrup of FRP are annulus, and uniform intervals are equipped with fixation hole on the inside of annulus, and the vertical main reinforcement passes through the fixation
Hole is fixed with the main stirrup of the FRP, in the vertical main reinforcement, is equipped with one layer below the main stirrup of each FRP and is prevented the main stirrup of FRP
The fixation circular layer of downslide, the fixed ring that the fixed circular layer is vertically fixed on the outside of vertical main reinforcement by several form, the FRP
Outer stirrup is fastened on the outside of vertical main reinforcement obliquely through the fixed ring of every layer of fixed circular layer from bottom to top；
The main stirrup diameter of FRP is 1~1.5cm, and the outer stirrup diameter of FRP is 0.3~0.5cm, and vertical main reinforcement diameter is 2
~3cm, the adjacent vertical main reinforcement spacing are 10~15cm, and the neighbouring main stirrup spacing of FRP is 8~12cm.
It is further preferred that every layer of fixed circular layer, there are four fixed ring, four fixed rings are located at along reinforcing bar dragon
In the vertical main reinforcement of four of the vertical central axes center symmetric setting of skeleton.
Further, the outer stirrup of the FRP has four, and the outer stirrup of every FRP is respectively from the oblique upper left of lowermost layer fixed ring
Or upper right is fastened.
Further, the fixation hole bore dia is greater than 2~4mm of vertical main reinforcement diameter.
Further, the fixed ring annular diameters are greater than 5~16mm of the outer stirrup diameter of FRP.
Further, each fixed ring is passed through for the outer stirrup of at least three FRP.
Further, the main stirrup of the FRP is an integral molding structure with the fixation hole.
Further, the fixed ring is formed in vertical main reinforcement by steel ring welding.
In addition, the high strength steel fiber reinforced concrete is the concrete of strength grade C50 or more, the total steel of fibers content Zhan is fine
Tie up the 1%~2% of volume of concrete.
It is further preferred that the main stirrup of the FRP and the outer stirrup of FRP are made of CFRP, GFRP, BFRP or AFRP material.
Compared with prior art the utility model have the characteristics that and the utility model has the advantages that
Two kinds of combinations of materials of FRP and high strength steel fiber reinforced concrete are formed the high-strength steel fibre of FRP stirrup and mixed by the utility model
Earth pillar is coagulated, steel fibre is added in high-strength concrete concrete, the toughness for measuring steel fiber reinforced concrete, FRP tendons can be increased substantially
Substituting reinforcing bar can be to avoid steel bars corrosion problem in structure, the service life of extending structure, FRP have lightweight, it is high-strength, resist it is tired
It is labor, corrosion-resistant, compared with normal concrete structure, the protective layer of structure is eliminated, alleviates the self weight of structure, can be greatly reduced
Sectional dimension of members, effectively save material reduce dead load, and space can be utilized by increasing building, increase the use of structure
Space, while FRP has good stress performance, and many conveniences are provided for work progress；On the other hand, due to FRP material
The excellent in mechanical performance of material plays a good effect of contraction to inner concrete, increases substantially concrete column
Stress performance.
Compared with normal concrete, the tensile strength of steel fiber reinforced concrete can be improved 40%~80%, and bending strength improves 60%
Raising 50%~70% compression strength raising of~120% shearing strength is smaller, between 0~25%, improves the toughness of high-strength concrete,
Brittle break is avoided, in addition, the setting of the outer stirrup of FRP can increase the friction between reinforcing bar keel shoe and steel fiber reinforced concrete
Power, reinforcing bar keel shoe and steel fiber reinforced concrete bonding force are big, and tension and shear resistance are strong, are also effectively saved the raw material of pile body
Usage amount.
The utility model has the characteristics that safety, is applicable in, and has good promotion and practical value, after extensive popularization and application
Good economic benefit can be generated.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of FRP stirrup high strength steel fiber reinforced concrete column of the utility model；
Fig. 2 be the utility model relates to the main stirrup of FRP structural schematic diagram.
Appended drawing reference: 1- high strength steel fiber reinforced concrete；The main stirrup of 2- FRP；The outer stirrup of 3-FRP；4- fixation hole；5- is fixed
Ring；The vertical main reinforcement of 6-.
Specific embodiment
To make technological means of the utility model, character of innovation, reaching purpose and effect is easy to understand, below
The present invention will be further described.
The embodiment recorded herein is the specific specific embodiment of the utility model, for illustrating the utility model
Design, be it is explanatory and illustrative, should not be construed as the limit to the utility model embodiment and the scope of the utility model
System.In addition to the embodiment recorded herein, those skilled in the art can also be public based on the claim of this application book and specification institute
For the content opened using obvious other technical solutions, these technical solutions include using doing to the embodiment recorded herein
The technical solution of any obvious substitutions and modifications out.
The purpose of the utility model is to overcome the defects of reinforced column, and the FRP of superior performance and high-strength steel is fine
It ties up two kinds of combinations of materials of concrete and forms FRP stirrup high strength steel fiber reinforced concrete column, the main stirrup of FRP and the outer stirrup of FRP substitute steel
Muscle can be to avoid steel bars corrosion problem in structure, the service life of extending structure；On the other hand, due to the mechanical property of FRP material
Energy superiority, plays a good effect of contraction to inner concrete, increases substantially the stress performance of concrete column.?
Steel fibre is added in high-strength concrete concrete, but can increase substantially and measure the tough of steel fiber reinforced concrete plastically deformed performance
Property, to achieve the goals above, the utility model takes following technical scheme:
A kind of FRP(fibre reinforced composites Fiber Reinforced Polymer/Plastic, abbreviation FRP) stirrup
High strength steel fiber reinforced concrete column, as shown in Figure 1, including high strength steel fiber reinforced concrete 1 and reinforcing bar keel shoe, reinforcing bar keel shoe is circle
Cylindricality, high strength steel fiber reinforced concrete 1 are the concrete of strength grade C50 or more, total 1 body of steel fiber reinforced concrete of fibers content Zhan
Long-pending 1%~2%.The diameter of reinforcing bar keel shoe and the length ratio of height are 7~28, and reinforcing bar keel shoe includes vertical main reinforcement 6, FRP
Main stirrup 2 and the outer stirrup 3 of FRP, main 2 diameter of stirrup of FRP are 1~1.5cm, and outer 3 diameter of stirrup of FRP is 0.3~0.5cm, vertically
6 diameter of main reinforcement be 2~3cm, adjacent vertical 6 spacing of main reinforcement be 10~15cm, neighbouring main 2 spacing of stirrup of FRP be 8~
12cm.The vertical uniform intervals of the main stirrup 2 of FRP are sheathed on vertical 6 outside of main reinforcement, and the main stirrup 2 of FRP is annulus, as shown in Fig. 2, circle
Uniform intervals are equipped with fixation hole 4 on the inside of ring, and when the specific production application of the utility model, the main stirrup 2 of FRP is preferably with fixation hole 4
Integrated formed structure, but it is not limited to integrated formed structure, 4 bore dia of fixation hole is greater than vertical 62 ~ 4mm of diameter of main reinforcement, vertical main
Muscle 6 passes through fixation hole 4 and the main stirrup 2 of FRP is fixed, and each fixed ring 5 is passed through for the outer stirrup 3 of at least three FRP, in fixed ring 5
Ring diameter is greater than the outer 3 5~16mm of diameter of stirrup of FRP, in vertical main reinforcement 6, is equipped with one layer below the main stirrup 2 of each FRP and prevents
The fixation circular layer that the main stirrup 2 of FRP glides, fixed circular layer are vertically fixed on 5 groups of fixed ring of vertical 6 outside of main reinforcement by several
At, the outer stirrup 3 of FRP is fastened obliquely through the fixed ring 5 of every layer of fixed circular layer in vertical 6 outside of main reinforcement from bottom to top, Gu
Determine ring 5 and is formed in vertical main reinforcement 6 by steel ring welding.
There are four fixed ring 5, four fixed rings 5 to be located at along reinforcing bar keel for preferably every layer of the utility model fixed circular layer
In the vertical main reinforcement 6 of four of the vertical central axes center symmetric setting of frame, the outer stirrup 3 of FRP preferably has four, the outer stirrup 3 of every FRP
It is fastened respectively from the oblique upper left of lowermost layer fixed ring 5 or upper right, each fixed ring 5 is only for the outer stirrup 3 of a FRP at this time
It passes through, uniformly hiding is wound on vertical 6 outside of main reinforcement to the outer stirrup 3 of four FRP, and the main stirrup 2 of FRP and the outer stirrup 3 of FRP are by CFRP(carbon
Fiber), GFRP(glass fibre), BFRP(Basalt fiber reinforced plastic) or AFRP(aramid fiber) material is made.
The making step of the utility model is as follows:
Step 1: the main stirrup of binding FRP and the outer stirrup+reinforcing bar main joist such as Fig. 1 of FRP:
Step 2: supporting module；
Step 3: pouring high strength steel fiber reinforced concrete, guarantees that steel fibre is evenly distributed；
Step 4: the maintenance of test specimen is carried out.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of FRP stirrup high strength steel fiber reinforced concrete column, it is characterised in that: including high strength steel fiber reinforced concrete (1) and reinforcing bar
Keel shoe, the reinforcing bar keel shoe are cylinder, and the diameter of reinforcing bar keel shoe and the length ratio of height are 7~28, the reinforcing bar
Keel shoe includes the outer stirrup (3) of vertical main reinforcement (6), the main stirrup of FRP (2) and FRP, the vertical uniform intervals of the main stirrup of FRP (2)
It is sheathed on the outside of vertical main reinforcement (6), the main stirrup of FRP (2) is annulus, and uniform intervals are equipped with fixation hole (4) on the inside of annulus, institute
It states vertical main reinforcement (6) to fix across the fixation hole (4) and the main stirrup of the FRP (2), on the vertical main reinforcement (6), each
One layer of fixation circular layer for preventing the main stirrup of FRP (2) from gliding is equipped with below the main stirrup of FRP (2), the fixed circular layer is by several
Fixed ring (5) composition being vertically fixed on the outside of vertical main reinforcement (6), the outer stirrup (3) of the FRP is from bottom to top obliquely through every layer
The fixed ring (5) of fixed circular layer is fastened on the outside of vertical main reinforcement (6)；
The main stirrup of FRP (2) diameter is 1~1.5cm, and outer stirrup (3) diameter of FRP is 0.3~0.5cm, and vertical main reinforcement (6) is straight
Diameter is 2~3cm, and adjacent vertical main reinforcement (6) spacing is 10~15cm, and the neighbouring main stirrup of FRP (2) spacing is 8
~12cm.
2. a kind of FRP stirrup high strength steel fiber reinforced concrete column as described in claim 1, it is characterised in that: every layer of fixation
There are four fixed ring (5), four fixed rings (5) to be located at along the vertical central axes center symmetric setting of reinforcing bar keel shoe for circular layer
On four vertical main reinforcements (6).
3. a kind of FRP stirrup high strength steel fiber reinforced concrete column as claimed in claim 2, it is characterised in that: the outer stirrup of the FRP
(3) there are four, the outer stirrup (3) of every FRP is fastened from the oblique upper left of lowermost layer fixed ring (5) or upper right respectively.
4. a kind of FRP stirrup high strength steel fiber reinforced concrete column as described in claim 1, it is characterised in that: the fixation hole (4)
Bore dia is greater than vertical main reinforcement (6) 2~4mm of diameter.
5. a kind of FRP stirrup high strength steel fiber reinforced concrete column as described in claim 1, it is characterised in that: the fixed ring (5)
Annular diameters are greater than outer stirrup (3) 5~16mm of diameter of FRP.
6. a kind of FRP stirrup high strength steel fiber reinforced concrete column as described in claim 1, it is characterised in that: each fixation
Ring (5) is passed through for the outer stirrup (3) of at least three FRP.
7. a kind of FRP stirrup high strength steel fiber reinforced concrete column as described in claim 1, it is characterised in that: the main stirrup of FRP
(2) it is an integral molding structure with the fixation hole (4).
8. a kind of FRP stirrup high strength steel fiber reinforced concrete column as described in claim 1, it is characterised in that: the fixed ring (5)
It is formed on vertical main reinforcement (6) by steel ring welding.
9. a kind of FRP stirrup high strength steel fiber reinforced concrete column as described in claim 1, it is characterised in that: the high-strength steel is fine
Tie up the concrete that concrete (1) is strength grade C50 or more, the total steel fiber reinforced concrete of fibers content Zhan (1) volume 1%~
2%。
10. a kind of FRP stirrup high strength steel fiber reinforced concrete column as claimed in any one of claims 1 to 9 wherein, it is characterised in that:
The main stirrup of FRP (2) and the outer stirrup (3) of FRP are made of CFRP, GFRP, BFRP or AFRP material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821414340.9U CN208934256U (en) | 2018-08-30 | 2018-08-30 | A kind of FRP stirrup high strength steel fiber reinforced concrete column |
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|---|---|---|---|
| CN201821414340.9U CN208934256U (en) | 2018-08-30 | 2018-08-30 | A kind of FRP stirrup high strength steel fiber reinforced concrete column |
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| CN208934256U true CN208934256U (en) | 2019-06-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794444A (en) * | 2020-07-31 | 2020-10-20 | 曹宝军 | Passive building stainless steel assembled reinforcement structure system |
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2018
- 2018-08-30 CN CN201821414340.9U patent/CN208934256U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794444A (en) * | 2020-07-31 | 2020-10-20 | 曹宝军 | Passive building stainless steel assembled reinforcement structure system |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240805 Address after: No. 373 Old Street, Luoxi Town, Taihe County, Ji'an City, Jiangxi Province, China 343700 Patentee after: Zeng Yuehong Country or region after: China Address before: No. 13 Chaoyang Street, Zhangjiakou, Hebei, Hebei Patentee before: HEBEI University OF ARCHITECTURE Country or region before: China |
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