CN207776258U - FRP tendons-FRP grids-cement base grout material combined member - Google Patents
FRP tendons-FRP grids-cement base grout material combined member Download PDFInfo
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- CN207776258U CN207776258U CN201820032245.6U CN201820032245U CN207776258U CN 207776258 U CN207776258 U CN 207776258U CN 201820032245 U CN201820032245 U CN 201820032245U CN 207776258 U CN207776258 U CN 207776258U
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- China
- Prior art keywords
- frp
- tendons
- grout material
- grids
- cement base
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Abstract
The utility model discloses a kind of FRP tendons FRP grids cement base grout material combined members, including being surrounded by cylindrical FRP grids, the FRP tendons being fixedly connected on the inside of the FRP grids and the cement base grout material structural column for pouring the inside and outside both sides in the FRP grids and the FRP tendons, the FRP tendons include that multiple FRPs parallel with the axis of cement base grout material structural column indulge muscle.The utility model replaces stirrup or FRP to manage using FRP grids, combined member is formed with FRP tendons and cement base grout material, both it can play the role of operative constraint to core FRP tendons concrete, the anti-bending strength of combined member can be improved again, FRP grid materials are at low cost simultaneously, processing and fabricating is convenient, is easy to the making of combined member.
Description
Technical field
The utility model is related to civil engineering, hydraulic engineering, ocean engineering composite structure technical fields, more particularly to one
Kind FRP tendons-FRP grids-cement base grout material combined member.
Background technology
FRP material because it has the characteristics that good corrosion resistance, light-weight, tensile strength is high, and civil engineering,
More and more applications have been obtained in hydraulic engineering and ocean engineering.FRP material includes mainly cloth material, plank, muscle material, proximate matter
And tubing etc..In application process, above-mentioned FRP material is usually applied in combination with concrete material, forms FRP- coagulation local soil types
Component is closed, to improve the mechanical property of structure.Common component has FRP concrete combination columns, combination beam and built pile etc., often
The combining form seen then has concrete to embed FRP tendons, Concrete Filled FRP pipes, FRP cloth or plate package concrete etc..
In FRP and concrete combined component, FRP material primarily serve protection to core concrete, effect of contraction with
And used as tension muscle, concrete material is then mainly used for resistance to compression and to the filling of FRP pipes and the package of FRP tendons.
FRP tendons and FRP pipes tensile strength are high, but compression strength, shearing strength and modulus of shearing are relatively low, easy in bending
In brittle failure, easily occurs bent problem in the wrong when being pressurized.Therefore when prefabricated in new construction or on-site concrete component, FRP tendons are more
In concrete slab component.It when for beam and column combined member, then needs to replace stirrup with FRP pipes, to be formed to core
The effect of contraction of FRP tendons concrete.Template when FRP pipes can be utilized to replace part concreting in this case, is saved
The expense of template.But since the high temperature resistance of FRP pipes is poor, need to carry out special fire prevention processing, while the material of FRP pipes
Expect that cost is high compared with common stirrup, overall cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of FRP tendons-FRP grids-cement base grout material combined member, in solution
Technical problem of the existing technology is stated, integrally-built corrosion resistance, buckle resistance energy and high temperature resistance are improved, is mitigated
Weight reduces manufacturing cost.
To achieve the above object, the utility model provides following scheme：
The utility model discloses a kind of FRP tendons-FRP grids-cement base grout material combined members, including are surrounded by cylindricality
FRP grids, the FRP tendons that are fixedly connected on the inside of the FRP grids and pour in the FRP grids and the FRP tendons,
The cement base grout material structural column of outer both sides, the FRP tendons include multiple flat with the axis of the cement base grout material structural column
Capable FRP indulges muscle.
Preferably, the FRP tendons are connect by adhesive-layer with the FRP grids.
Preferably, the adhesive-layer is that epoxy resin-matrix impregnates glue-line.
Preferably, the FRP tendons are connect by binding piece with the FRP grids.
Preferably, the binding piece is FRP tied silks.
Preferably, the diameter of the FRP tendons of the centre distance of the adjacent FRP tendons not less than 3 times, and be not more than
300mm。
Preferably, a diameter of 12~40mm of the FRP tendons.
Preferably, the FRP grids include lateral grid ring and longitudinal grille strip, and the breadth of the grid ring is not small
It is 200~400mm in the centre distance of 50mm, the adjacent grid interannular, the breadth of the grille strip is not less than 30mm, adjacent
Circumferential centre distance between the grille strip is 100~300mm, and the FRP grids are not less than 30kN in circumferential every meter of bearing capacity.
Preferably, the cement base grout material structural column is cement paste structural column, cement mortar structural column, concrete knot
Structure column or microlith grouting material structural column.
The utility model achieves following technique effect compared with the existing technology：
The utility model replaces stirrup or FRP to manage using FRP grids, and structure is combined with FRP tendons and the formation of cement base grout material
Part.FRP grids have good corrosion resistance, superior mechanical property (high-strength light) and good machinability (easily
It is bending, good integrity, easy to connect), it can not only play the role of operative constraint to core FRP tendons concrete, but also group can be improved
The anti-bending strength of component is closed, while FRP grid materials are at low cost, processing and fabricating is convenient, is easy to the making of combined member.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model FRP tendons-FRP grids-cement base grout material combined member；
Fig. 2 is cylindric cement base grout material structural column schematic diagram；
Fig. 3 is rectangular-shape cement base grout material structural column schematic diagram；
Fig. 4 is rectangular-shape cement base grout material structural column rounded corner schematic diagram；
Fig. 5 is the rectangular-shape cement base grout material structural column schematic diagram of falling corner cut；
Fig. 6 is formwork for placing structural schematic diagram；
Fig. 7 is FRP cell structure schematic diagrames；
Fig. 8 is the tiling expanded schematic diagram of FRP grids；
Fig. 9 is FRP grids and the structural schematic diagram at FRP tendons viscose glue；
Figure 10 is structural schematic diagram after FRP grids bending in Fig. 9；
Figure 11 is FRP grids and the structural schematic diagram at FRP tendons binding；
Figure 12 is structural schematic diagram after FRP grids bending in Figure 11；
Reference sign：1, FRP tendons；2, FRP grids；21, grid ring；22, grille strip；3, cement base grout material structure
Column；4, adhesive-layer；5, binding piece.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The purpose of this utility model is to provide a kind of FRP tendons-FRP grids-cement base grout material combined member, in solution
State technical problem of the existing technology.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
As shown in Figure 1, the present embodiment provides a kind of FRP tendons-FRP grids-cement base grout material combined member, including FRP
Skeleton and pour the cement base grout material structural column 3 in the inside and outside both sides of FRP skeletons.FRP skeletons are cylindrical including being surrounded by
FRP grids 2 and the FRP tendons 1 for being fixedly connected on 2 inside of FRP grids, FRP tendons 1 include multiple and cement base grout material structural column 3
The parallel FRP of axis indulge muscle.A diameter of 12~40mm of FRP tendons 1, the centre distance of adjacent FRP tendons 1 are not less than 3 times of FRP
The diameter of muscle, and it is not more than 300mm.
As shown in Figure 2-5, cement base grout material structural column 3 is cylinder or prism structure, and the edge of prism can be arranged
Rounded corner or corner cut.FRP grids 2 are similar to the cross-sectional shape of cement base grout material structural column 3, to make outside FRP grids 2
Side is not less than 25mm at a distance from formwork for placing.Because after the completion of pouring, cement base grout material structural column 3 is affixed with formwork for placing
It closes, therefore 2 outside of FRP grids is not less than 25mm at a distance from the side wall of cement base grout material structural column 3.
As Figure 7-8, FRP grids 2 include lateral grid ring 21 and longitudinal grille strip 22.The breadth of grid ring 21
Not less than 50mm, the centre distance between adjacent grid ring 21 is 200~400mm.The breadth of grille strip 22 is not less than 30mm, adjacent
Circumferential centre distance between grille strip 22 is 100~300mm.FRP grids 2 are not less than 30kN in circumferential every meter of bearing capacity.
As shown in figs. 9-10, FRP tendons 1 can be connect by adhesive-layer 4 with FRP grids 2, and adhesive-layer 4 is epoxy resin-matrix
Glue-line is impregnated, other types of glue also can be selected.
As depicted in figs. 11-12, FRP tendons 1 can also be connect by binding piece 5 with FRP grids 2, and binding piece 5 is FRP tied silks.
Other materials also can be selected in binding piece 5, as long as can reach intensity requirement.
Cement base grout material structural column 3 is mainly used for resistance to compression and the package to FRP skeletons, can select according to actual needs
With cement paste structural column, cement mortar structural column, concrete structure column or microlith grouting material structural column.
The present embodiment also provides a kind of production method of FRP tendons-FRP grids-cement base grout material combined member, including such as
Lower step：
Step 1: making combined member formwork for placing, FRP tendons 1, FRP grids 2 are made；
Step 2: impregnate glue or FRP tied silks by epoxy resin is fixed on 2 inside of FRP grids by FRP tendons 1, FRP is formed
Skeleton；
Step 3: FRP skeletons are positioned in formwork for placing, and be fixed by positioning device, ensure FRP skeletons with
The relative position of formwork for placing；
Step 4: mixing cement base grout material；
Step 5: the inner wall of cleaning formwork for placing, joints cement base grout material, static maintenance.
For the curing time and environment of cement base grout material in step 5, existing country and industry current art should be met
Standard.
It should be noted that above-mentioned FRP material includes carbon fibre reinforced composite (CFRP), glass fiber reinforced composite
Material (GFRP), aramid fiber enhancing composite material (AFRP) and basalt fibre reinforcing composite material (BFRP), this field skill
Art personnel can select according to actual needs；For specific dimensional parameters, above-described embodiment carried out for example, but
It is not limited to above-mentioned parameter.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, according to the thought of the utility model, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. a kind of FRP tendons-FRP grids-cement base grout material combined member, which is characterized in that including being surrounded by cylindrical FRP lattice
Grid, the FRP tendons being fixedly connected on the inside of the FRP grids and pour the inside and outside both sides in the FRP grids and the FRP tendons
Cement base grout material structural column, the FRP tendons include multiple FRPs parallel with the axis of cement base grout material structural column
Vertical muscle.
2. FRP tendons-FRP grids according to claim 1-cement base grout material combined member, which is characterized in that described
FRP tendons are connect by adhesive-layer with the FRP grids.
3. FRP tendons-FRP grids according to claim 2-cement base grout material combined member, which is characterized in that described viscous
Glue-line is that epoxy resin-matrix impregnates glue-line.
4. FRP tendons-FRP grids according to claim 1-cement base grout material combined member, which is characterized in that described
FRP tendons are connect by binding piece with the FRP grids.
5. FRP tendons-FRP grids according to claim 4-cement base grout material combined member, which is characterized in that described to tie up
Bandaging piece is FRP tied silks.
6. FRP tendons-FRP grids according to claim 1-cement base grout material combined member, which is characterized in that adjacent institute
The diameter of the FRP tendons of the centre distance not less than 3 times of FRP tendons is stated, and is not more than 300mm.
7. FRP tendons-FRP grids according to claim 1-cement base grout material combined member, which is characterized in that described
A diameter of 12~40mm of FRP tendons.
8. FRP tendons-FRP grids according to claim 1-cement base grout material combined member, which is characterized in that described
FRP grids include lateral grid ring and longitudinal grille strip, and the breadth of the grid ring is not less than 50mm, the adjacent grid
The centre distance of interannular is 200~400mm, and the breadth of the grille strip is not less than 30mm, the circumferential direction between the adjacent grille strip
Centre distance is 100~300mm, and the FRP grids are not less than 30kN in circumferential every meter of bearing capacity.
9. FRP tendons-FRP grids according to claim 1-cement base grout material combined member, which is characterized in that the water
Mud base grout material structural column is cement paste structural column, cement mortar structural column, concrete structure column or microlith grouting material structure
Column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820032245.6U CN207776258U (en) | 2018-01-09 | 2018-01-09 | FRP tendons-FRP grids-cement base grout material combined member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820032245.6U CN207776258U (en) | 2018-01-09 | 2018-01-09 | FRP tendons-FRP grids-cement base grout material combined member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207776258U true CN207776258U (en) | 2018-08-28 |
Family
ID=63222845
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820032245.6U Expired - Fee Related CN207776258U (en) | 2018-01-09 | 2018-01-09 | FRP tendons-FRP grids-cement base grout material combined member |
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| CN (1) | CN207776258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965092A (en) * | 2018-01-09 | 2018-04-27 | 淮海工学院 | FRP tendons-FRP grids-cement base grout material combined member and production method |
-
2018
- 2018-01-09 CN CN201820032245.6U patent/CN207776258U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965092A (en) * | 2018-01-09 | 2018-04-27 | 淮海工学院 | FRP tendons-FRP grids-cement base grout material combined member and production method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20220109 |