CN108978999A - A kind of FRP- steel composite reinforcing cage and its sea sand concrete columns of preparation - Google Patents
A kind of FRP- steel composite reinforcing cage and its sea sand concrete columns of preparation Download PDFInfo
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- CN108978999A CN108978999A CN201810778723.2A CN201810778723A CN108978999A CN 108978999 A CN108978999 A CN 108978999A CN 201810778723 A CN201810778723 A CN 201810778723A CN 108978999 A CN108978999 A CN 108978999A
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- frp
- steel composite
- composite reinforcing
- steel
- reinforcing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
Abstract
The present invention provides a kind of FRP- steel composite reinforcing cage and its sea sand concrete columns of preparation.The FRP- steel composite reinforcing cage is bound by FRP- steel composite reinforcing and tie hoop to be formed, and the FRP- steel composite reinforcing includes inner core reinforcing bar and the FRP fibrous layer for being wrapped in inner core reinforcing bar outer layer.The inner core reinforcing bar of FRP- steel composite reinforcing, which is wrapped with FRP reinforcing material not only, can play the characteristic of FRP material high-tensile but also can use the comprehensive advantage that Steel Bar Tensile Strength is high, ductility is good, correspondingly, reinforcing bar plays its resistance to compression effect in the FRP- steel composite reinforcing of compression-side.The fiber of outside package can also achieve the effect that protect inner core reinforcing bar from corrosion; composite reinforcing periphery tie hoop can also constrain longitudinal stress muscle well; core space compressive capacity is improved, applied to can also reach good resistance to compression antisepsis in FRP- steel composite reinforcing sea sand concrete columns.
Description
Technical field
The present invention relates to building material technical field, more particularly, to a kind of FRP- steel composite reinforcing cage and its application
FRP- steel composite reinforcing sea sand concrete columns.
Background technique
Due to the continuous development of China's infrastructure, the demand to concrete material is also increasing, and concrete column pours
Material river sand is built as a kind of non-renewable resources, allowable exploitation is fewer and fewer, and sea sand storage capacity is very big, and sea sand is used
New developing direction will certainly be become into building, however the chloride ion as present in sea sand can cause to corrode to steel, shadow
Ring the safety of structure.The beam generally used in the engineering structures such as bridge, building field at present includes armored concrete
(Reinforced concrete, RC) beam and girder steel, both beam corrosion resistances are poor, in field, coastal or damp
It easily corrodes and degenerates in the adverse circumstances such as wetland, preparation sea sand concrete columns, which have serious corrosion phenomenon, to be existed.FRP tendons
(Fiber Reinforced Plastics Bars fibrous composite) is corrosion-resistant, endwise tensile strength is high, light weight, electromagnetism
Good insulating is also disclosed FRP pipe outsourcing FRP tendons material in the prior art and prepares concrete structure to solve its corrosion problems,
But FRP material brittleness, stress-strain is in a linear relationship, without yield point elongation, transverse strength be about longitudinal strength ten/
One, the i.e. not resistance to compression of FRP tendons tension, cannot be directly as longitudinal stress muscle in column.
Therefore providing one kind not only has anti-corrosive properties, but also can take into account the engineering structure concrete column of resistance to compression comprehensive performance with non-
Often important meaning.
Summary of the invention
It is to overcome existing concrete rod structure corrosion resistance and resistance to compression comprehensive the invention solves technical problems to be solved
The defect and deficiency for closing performance, provide a kind of FRP- steel composite reinforcing cage, and composite reinforcing cage is by being enclosed with the reinforcing bar and spiral of FRP fiber
Stirrup is bound, and the anti-pressure ability and anti-corrosion ability of composite reinforcing cage is effectively promoted.
The object of the present invention is to provide a kind of FRP- steel composite reinforcing sea sand concrete columns, concrete column includes above-mentioned FRP- steel
Composite reinforcing cage and marine sand concrete.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of FRP- steel composite reinforcing cage, the FRP- steel composite reinforcing cage include FRP- steel composite reinforcing and tie hoop, the FRP-
Steel composite reinforcing is located inside tie hoop, the tie hoop along FRP- steel composite reinforcing spiral, and with the FRP- steel
Composite reinforcing is fixed to form FRP- steel composite reinforcing cage, and the FRP- steel composite reinforcing includes inner core reinforcing bar and is wrapped in inner core reinforcing bar outer layer
FRP fibrous layer.
Disadvantage based on FRP material is applied in concrete column using FRP- steel composite reinforcing as longitudinal stress muscle in column,
The axis laminated structure enhanced using this effective reinforcement, inner core reinforcing bar can undertake resistance to compression effect, and when in voltage biasing structure, FRP- steel is compound
Muscle will take into account the comprehensive advantage of FRP and reinforcing bar, and high-intensitive clad had not only been structure tensional element simultaneously but also had been functional anti-corrosion
Component.For the present invention using FRP- steel composite reinforcing as longitudinal stress muscle in column, the external fiber wrapped up can reach protection inner core steel
Muscle is from the effect of corrosion, and when pillar is by axial compressive force, reinforcing bar plays its resistance to compression effect in FRP- steel composite reinforcing；When pillar by
The FRP- steel composite reinforcing of tension side is wherein arranged when bias can not only play the characteristic of FRP material high-tensile but also can
To use the comprehensive advantage that Steel Bar Tensile Strength is high, ductility is good, meanwhile, reinforcing bar plays it in the FRP- steel composite reinforcing of compression-side
Resistance to compression effect.
Preferably, the diameter of the core reinforcing bar of the FRP- steel composite reinforcing is 8 ~ 16mm, and strength grade is two ~ level Four.
Preferably, the FRP- steel composite reinforcing outer layer FRP fibrous layer with a thickness of 3 ~ 7mm.
Relative to FRP fiber is added in concrete, FRP fiber is coated on to the outer layer of inner core reinforcing bar with certain thickness
Influence be muscle obtained be composite reinforcing, two kinds of materials can common stress, compatible deformation, and in outer layer fiber can guarantee
For core reinforcing bar not by the corrosion of chloride ion, the diameter of inner core reinforcing bar and strength grade select reason for guarantee containing in composite reinforcing
Steel amount, it is proposed that take the reinforcing bar of 8mm or more, the inner core reinforcing bar of too major diameter is likely to result in waste of material, therefore suggests that the upper limit takes
16mm, specifically can also demand according to pillar to bearing capacity and change, do not do mandatory restriction here；Strength grade suggestion is two
~ level Four steel, the bond effect between level-one plain bar and FRP fiber are bad；The thickness of FRP fibrous layer and fiber itself
The reason that selects of thickness is the thickness suggestion of FRP fibrous layer from 3mm ~ 7mm, if thickness is too small, the manufacture difficulty meeting of composite reinforcing
It increases, reinforcing bar can be not necessarily that the composite reinforcing product of 1 ~ 2mm thickness does not have 3mm in center, outer layer FRP in the composite reinforcing made
It is regular, in addition, fiber thickness should not be too large, in order to avoid cause the waste of material；The thickness of fiber itself and the type of fiber have
It closes.
FRP- steel composite reinforcing the preparation method comprises the following steps: by reinforcing bar outer surface brushing adhesive, then drawn from resin storage tank
It impregnates complete fibre bundle and wraps up entire reinforcing bar by pultrusion die extrusion forming, then by stretching-machine straightening, guarantee fiber
Direction is consistent with reinforcing bar direction, scab after spiral wound fiber, stands molding, adhesive is corrosion-resistant resin, epoxy resin.
FRP(fibre reinforced composites) it is fragile material, resin is plastic material, for opposite resin, by fiber when load action
Deformation very little, can be ignored, FRP muscle deformation mainly by resin deformation causes, size and the resin content of deformation have
It closes, resin content is low, and generable compatible deformation is small, macroscopically shows as the elongation percentage very little of test specimen, and fiber content mentions
Height improves a lot to the intensity and modulus of FRP tendons itself.
Preferably, the diameter of section of the tie hoop is 10mm, coiling diameter 160mm, spacing 50mm.
Diameter of section, coiling diameter and the spacing and core material reinforcing bar of tie hoop and the correlation performance parameters of FRP fiber
The crushing resistance of FRP- steel composite rebar concrete column that finally obtained FRP- steel composite reinforcing cage will be influenced and its poured
Can, Reinforcement can be constrained in tie hoop, improves the effect of core space concrete compression bearing capacity.
Preferably, the FRP fiber is the FRP fiber that fiber volume fraction is 75% ~ 80%.The volume of fiber point in FRP
Number is 75% ~ 80%, can both retain the advantage of its high-tensile, also can guarantee its ductility.
Preferably, to form FRP- steel compound with FRP- steel composite reinforcing fixation by binding or welding for the tie hoop
Muscle cage.
The marine sand concrete is the marine sand concrete that strength grade is C30 grades.
Preferably, the tie hoop is FRP tie hoop and/or the spiral reinforcement for wrapping up fiber cloth.
Preferably, the FRP fiber is anti-corrosion FRP fiber.Anti-corrosion FRP fiber is preferably glass fibre, carbon fiber, the Black Warrior
One of rock fiber, aramid fiber are a variety of.
Preferably, the inner core reinforcing bar is Ribbed Bar.Bond effect between Ribbed Bar and FRP is good.
Preferably, the center that the inner core reinforcing bar is located at for the FRP- steel composite reinforcing.Center can make entirely
More evenly, anti-corrosion effect is also uniform for composite reinforcing stress.
Preferably, parallel to each other between FRP- steel composite reinforcing in the FRP- steel composite reinforcing cage.It is that tie hoop passes through
The modes fixation such as binding or welding is the direction for advantageously ensuring that longitudinal rib and stress side parallel to each other between FRP- steel composite reinforcing
To identical
Preferably, the end banding of FRP- steel composite reinforcing has reinforcing stirrup in the FRP- steel composite reinforcing cage.
Preferably, the tie hoop is closed stirrup.
A kind of FRP- steel composite reinforcing sea sand concrete columns, the concrete column include the FRP- steel composite reinforcing cage and sea sand
Concrete.The marine sand concrete of FRP- steel composite reinforcing sea sand concrete columns pours in FRP- steel composite reinforcing cage.Concrete can be with
Pouring can also pour for circle to be rectangular, and FRP- steel composite reinforcing sea sand concrete columns will be tied up by the prefabricated pillar shape of steel form
The FRP- steel composite reinforcing cage tied is placed in the center of steel form, and fixes, and pours marine sand concrete and obtains.Marine sand concrete master
Wanting ingredient includes sea sand without desalt processing, seawater, cement, coarse aggregate, can be made completely in marine sand concrete process for preparation
With sea sand, sea sand can also be partially used, seawater can be used completely, can also partially use seawater.Sea sand reserves are big, exploit difficulty
Small, transportation cost is low, using sea sand as substrate, can effectively solve asking for coastal area or surrounding islands and reefs regional architecture material shortage
Topic also avoids the phenomenon that exhaustive exploitation river sand destroys ecological environment, has certain economic benefit and has social value, uses
Seawater replaces fresh water, at low cost without consuming fresh water, economizes on resources.The marine sand concrete is the sea that strength grade is C30 grades
Sand concrete.Concrete mix has different proportions according to different intensity, and the match ratio the following are marine sand concrete C30 is
Cement: sea sand: stone: water=1:2:3.42:0.6；The ratio of mud is 0.60, sand coarse aggregate ratio 0.37.
Compared with prior art, the beneficial effects of the present invention are:
The present invention provides a kind of FRP- steel composite reinforcing cage and its FRP- steel composite reinforcing sea sand concrete columns of application, FRP- steel is multiple
The core reinforcing bar for closing muscle is wrapped with FRP reinforcing material, and when pillar is by axial compressive force, it is anti-to play it for reinforcing bar in FRP- steel composite reinforcing
Pressure effect；The FRP- steel composite reinforcing for the tension side wherein arranged when pillar is biased against can not only play FRP material highly resistance
The characteristic of tensile strength and it can use the comprehensive advantage that Steel Bar Tensile Strength is high, ductility is good, correspondingly, the FRP- of compression-side
Reinforcing bar plays its resistance to compression effect in steel composite reinforcing.The fiber of outside package can also reach the effect for protecting inner core reinforcing bar from corrosion
Fruit, composite reinforcing periphery tie hoop can also constrain Reinforcement well, improve core space compressive capacity, are applied to
Good resistance to compression antisepsis can also be reached in FRP- steel composite reinforcing sea sand concrete columns.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of FRP- steel composite reinforcing cage.
Fig. 2 is the structural schematic diagram of FRP- steel composite reinforcing sea sand concrete columns.
Fig. 3 is the rectangular view in transverse section of FRP- steel composite reinforcing sea sand concrete columns.
Fig. 4 is the circular lateral cross-section figure of FRP- steel composite reinforcing sea sand concrete columns.
Fig. 5 is the sectional view of FRP- steel composite reinforcing.
Specific embodiment
The present invention is further illustrated With reference to embodiment, but embodiment the present invention is not done it is any
The restriction of form.Unless otherwise indicated, source chemicals used in the embodiment of the present invention are the source chemicals routinely bought.
Embodiment 1
A kind of FRP- steel composite reinforcing cage, as shown in Figure 1 and Figure 5, FRP- steel composite reinforcing cage, by FRP- steel composite reinforcing 1 and spiral hoop
The binding of muscle 2 is formed, and FRP- steel composite reinforcing 1 includes inner core reinforcing bar 101 and is wrapped in the FRP fibrous layer 102 of inner core reinforcing bar outer layer
The center that core reinforcing bar 101 is located at for the FRP- steel composite reinforcing 1, the diameter of the inner core reinforcing bar 101 of FRP- steel composite reinforcing are 8mm,
For three-level Ribbed Bar, FRP- steel composite reinforcing outer layer FRP fibrous layer 102 with a thickness of 3mm, FRP fiber with a thickness of
0.170mm, the diameter of section of tie hoop 2 are d1 10mm, and coiling diameter d2 160mm, spacing is d 50mm, and FRP- steel is compound
The item number of muscle is 6, and parallel to each other between FRP- steel composite reinforcing in FRP- steel composite reinforcing cage to bind with tie hoop, FRP- steel is multiple
The end banding for closing FRP- steel composite reinforcing in muscle cage, which has, reinforces stirrup 3.
Embodiment 2
A kind of FRP- steel composite reinforcing sea sand concrete columns, as shown in Fig. 2, Fig. 3 and Fig. 5, FRP- steel composite reinforcing cage and sea sand coagulation
Soil 4, the marine sand concrete pours in FRP- steel composite reinforcing cage into circle, FRP- steel composite reinforcing cage, by FRP- steel composite reinforcing 1
It binds and is formed with tie hoop 2, FRP- steel composite reinforcing 1 includes core reinforcing bar 101 and the FRP fibrous layer for being wrapped in inner core reinforcing bar outer layer
The diameter of the inner core reinforcing bar 101 of 102, FRP- steel composite reinforcings is 8mm, is three-level Ribbed Bar, and FRP- steel composite reinforcing outer layer FRP is fine
Tie up layer 102 with a thickness of 3mm, FRP fiber 103 with a thickness of 0.170mm, the diameter of section of tie hoop 2 is d1 10mm, is twined
Around diameter d2 160mm, spacing is d 50mm.
Embodiment 3
A kind of FRP- steel composite reinforcing sea sand concrete columns, as shown in Fig. 2, Fig. 4 and Fig. 5, FRP- steel composite reinforcing cage and sea sand coagulation
Soil 4, the marine sand concrete pours the squarely in FRP- steel composite reinforcing cage, and FRP- steel composite reinforcing cage is by FRP- steel composite reinforcing 1
It binds and is formed with tie hoop 2, FRP- steel composite reinforcing 1 includes inner core reinforcing bar 101 and the FRP fiber for being wrapped in inner core reinforcing bar outer layer
The diameter of the inner core reinforcing bar 101 of layer 102, FRP- steel composite reinforcing is 10mm, is three-level Ribbed Bar, FRP- steel composite reinforcing outer layer
FRP fibrous layer 102 with a thickness of 3mm, FRP fiber 103 with a thickness of 0.170mm, the diameter of section of tie hoop 2 is d1
10mm, coiling diameter d2 160mm, spacing are d 50mm.
Embodiment 4
A kind of FRP- steel composite reinforcing cage, as shown in Figure 1 and Figure 5, FRP- steel composite reinforcing cage, by FRP- steel composite reinforcing 1 and spiral hoop
The binding of muscle 2 is formed, and FRP- steel composite reinforcing 1 includes core reinforcing bar 101 and the FRP fibrous layer 102 for being wrapped in core reinforcing bar outer layer, core reinforcing bar
101 centers being located at for the FRP- steel composite reinforcing 1, the diameter of the core reinforcing bar 101 of FRP- steel composite reinforcing are 10mm, are three-level band
Rib reinforcement, FRP- steel composite reinforcing outer layer FRP fibrous layer 102 with a thickness of 3mm, FRP fiber with a thickness of 0.170mm, spiral hoop
The diameter of section of muscle 2 is d1 10mm, and the item number of coiling diameter d2 160mm, spacing d 50mm, FRP- steel composite reinforcing is 6,
It is parallel to each other between FRP- steel composite reinforcing in FRP- steel composite reinforcing cage to be bound with tie hoop, FRP- steel in FRP- steel composite reinforcing cage
The end banding of composite reinforcing, which has, reinforces stirrup 3.It is respectively increased about compared to only inner core 10mm three-level Ribbed Bar tensile capacity
1.57。
Embodiment 5
A kind of FRP- steel composite reinforcing cage, as shown in Figure 1 and Figure 5, FRP- steel composite reinforcing cage, by FRP- steel composite reinforcing 1 and spiral hoop
The binding of muscle 2 is formed, and FRP- steel composite reinforcing 1 includes core reinforcing bar 101 and the FRP fibrous layer 102 for being wrapped in core reinforcing bar outer layer, core reinforcing bar
101 centers being located at for the FRP- steel composite reinforcing 1, the diameter of the core reinforcing bar 101 of FRP- steel composite reinforcing are 10mm, are three-level band
Rib reinforcement, FRP- steel composite reinforcing outer layer FRP fibrous layer 102 with a thickness of 5mm, FRP fiber with a thickness of 0.170mm, spiral hoop
The diameter of section of muscle 2 is d1 10mm, and coiling diameter d2 160mm, spacing is d 50mm, and the item number of FRP- steel composite reinforcing is 6,
It is parallel to each other between FRP- steel composite reinforcing in FRP- steel composite reinforcing cage to be bound with tie hoop, FRP- steel in FRP- steel composite reinforcing cage
The end banding of composite reinforcing, which has, reinforces stirrup 3.It is respectively increased about compared to only inner core 10mm three-level Ribbed Bar tensile capacity
2.47。
Embodiment 6
A kind of FRP- steel composite reinforcing cage, as shown in Figure 1 and Figure 5, FRP- steel composite reinforcing cage, by FRP- steel composite reinforcing 1 and spiral hoop
The binding of muscle 2 is formed, and FRP- steel composite reinforcing 1 includes core reinforcing bar 101 and the FRP fibrous layer 102 for being wrapped in core reinforcing bar outer layer, core reinforcing bar
101 centers being located at for the FRP- steel composite reinforcing 1, the diameter of the core reinforcing bar 101 of FRP- steel composite reinforcing are 10mm, are three-level band
Rib reinforcement, FRP- steel composite reinforcing outer layer FRP fibrous layer 102 with a thickness of 7mm, FRP fiber with a thickness of 0.170mm, spiral hoop
The diameter of section of muscle 2 is d1 10mm, and coiling diameter d2 160mm, spacing is d 50mm, and the item number of FRP- steel composite reinforcing is 6,
It is parallel to each other between FRP- steel composite reinforcing in FRP- steel composite reinforcing cage to be bound with tie hoop, FRP- steel in FRP- steel composite reinforcing cage
The end banding of composite reinforcing, which has, reinforces stirrup 3.It is respectively increased about compared to only inner core 10mm three-level Ribbed Bar tensile capacity
3.28。
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of FRP- steel composite reinforcing cage, which is characterized in that the FRP- steel composite reinforcing cage includes FRP- steel composite reinforcing and spiral
Stirrup, the FRP- steel composite reinforcing are located inside tie hoop, the tie hoop along FRP- steel composite reinforcing spiral, and
It is fixed with the FRP- steel composite reinforcing and forms FRP- steel composite reinforcing cage, the FRP- steel composite reinforcing includes inner core reinforcing bar and is wrapped in
The FRP fibrous layer of inner core reinforcing bar outer layer.
2. FRP- steel composite reinforcing cage as described in claim 1, which is characterized in that the inner core reinforcing bar of the FRP- steel composite reinforcing it is straight
Diameter is 8 ~ 16mm, and strength grade is two ~ level Four.
3. FRP- steel composite reinforcing cage as described in claim 1, which is characterized in that the FRP- steel composite reinforcing outer layer FRP fibrous layer
With a thickness of 3 ~ 7mm.
4. stating FRP- steel composite reinforcing cage as described in claim 1, which is characterized in that the diameter of section of the tie hoop is
10mm, coiling diameter 160mm, spacing 50mm.
5. stating FRP- steel composite reinforcing cage as described in claim 1, which is characterized in that the FRP fiber is that fiber volume fraction is
75% ~ 80% FRP fiber.
6. FRP- steel composite reinforcing cage as described in claim 1, which is characterized in that the tie hoop passes through binding or welding and institute
It states the fixation of FRP- steel composite reinforcing and forms FRP- steel composite reinforcing cage.
7. FRP- steel composite reinforcing cage as described in claim 1, which is characterized in that the inner core reinforcing bar is located at answers for the FRP- steel
Close the center of muscle.
8. FRP- steel composite reinforcing cage as described in claim 1, which is characterized in that FRP- steel is compound in the FRP- steel composite reinforcing cage
It is parallel to each other between muscle.
9. FRP- steel composite reinforcing cage as described in claim 1, which is characterized in that FRP- steel is compound in the FRP- steel composite reinforcing cage
The end banding of muscle has reinforcing stirrup.
10. a kind of FRP- steel composite reinforcing sea sand concrete columns, which is characterized in that the concrete column includes claim 1 ~ 9 times
One FRP- steel composite reinforcing cage and marine sand concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778723.2A CN108978999A (en) | 2018-07-16 | 2018-07-16 | A kind of FRP- steel composite reinforcing cage and its sea sand concrete columns of preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778723.2A CN108978999A (en) | 2018-07-16 | 2018-07-16 | A kind of FRP- steel composite reinforcing cage and its sea sand concrete columns of preparation |
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| CN108978999A true CN108978999A (en) | 2018-12-11 |
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ID=64549417
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779149A (en) * | 2019-01-15 | 2019-05-21 | 广东工业大学 | A kind of seawater sea sand concrete columns |
| CN113152791A (en) * | 2021-04-08 | 2021-07-23 | 扬州大学 | Combined column and construction method thereof |
| CN114033101A (en) * | 2021-11-25 | 2022-02-11 | 华中科技大学 | Full FRP (fiber reinforced plastic) rib reinforced seawater sea sand concrete high-ductility beam and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201598776U (en) * | 2010-01-06 | 2010-10-06 | 哈尔滨工业大学深圳研究生院 | FRP pipe sea sand concrete column |
| CN106968395A (en) * | 2017-04-27 | 2017-07-21 | 广东工业大学 | The marine sand concrete beam and its construction method of FRP steel composite reinforcing and FRP muscle hybrid reinforcements |
-
2018
- 2018-07-16 CN CN201810778723.2A patent/CN108978999A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201598776U (en) * | 2010-01-06 | 2010-10-06 | 哈尔滨工业大学深圳研究生院 | FRP pipe sea sand concrete column |
| CN106968395A (en) * | 2017-04-27 | 2017-07-21 | 广东工业大学 | The marine sand concrete beam and its construction method of FRP steel composite reinforcing and FRP muscle hybrid reinforcements |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779149A (en) * | 2019-01-15 | 2019-05-21 | 广东工业大学 | A kind of seawater sea sand concrete columns |
| CN113152791A (en) * | 2021-04-08 | 2021-07-23 | 扬州大学 | Combined column and construction method thereof |
| CN114033101A (en) * | 2021-11-25 | 2022-02-11 | 华中科技大学 | Full FRP (fiber reinforced plastic) rib reinforced seawater sea sand concrete high-ductility beam and application thereof |
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