CN109056708A - A kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure - Google Patents
A kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure Download PDFInfo
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- CN109056708A CN109056708A CN201810957048.XA CN201810957048A CN109056708A CN 109056708 A CN109056708 A CN 109056708A CN 201810957048 A CN201810957048 A CN 201810957048A CN 109056708 A CN109056708 A CN 109056708A
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- pipe
- tubular pole
- concrete
- phc tubular
- frp
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- 239000004567 concrete Substances 0.000 title claims abstract description 70
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 239000011229 interlayer Substances 0.000 title claims abstract description 21
- 239000010410 layer Substances 0.000 claims abstract description 17
- 239000006187 pill Substances 0.000 claims abstract description 5
- 239000004576 sand Substances 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 claims description 4
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 claims description 4
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000004918 carbon fiber reinforced polymer Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000011376 self-consolidating concrete Substances 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 28
- 238000005260 corrosion Methods 0.000 abstract description 28
- 238000005452 bending Methods 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 4
- 230000003111 delayed effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 231100001010 corrosive Toxicity 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/58—Prestressed concrete piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Revetment (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structures, it include that the FRP pipe as lateral wall, the PHC tubular pole core pipe as inner sidewall and the concrete layer being cast between FRP pipe and PHC tubular pole core pipe, FRP pipe, PHC tubular pole core pipe and concrete layer form hollow shell pill.The present invention on the outside of PHC tubular pole core pipe by coating FRP pipe, to improve the corrosion resistance of structure, and FRP pipe and fill concrete are coated on the outside of PHC tubular pole core pipe to which the core concrete to structure applies lateral confinement, concrete is set to be in three pressured states, improve the bearing capacity and bending stiffness of tubular pole, the development for having delayed its longitudinal microcrack, to improve its endurance quality and anti-seismic performance.
Description
Technical field
The present invention relates to ocean engineering etc. other to corrosion resistance and the higher pile foundation engineering of life requirement, especially relate to
And a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure.
Background technique
In practical projects, application of the PHC tubular pole in the engineering constructions such as high level, bridge, harbour, harbour is more and more wider
It is general.Technical staff has been generally acknowledged that the density of centrifugal concrete is good, concrete strength is high, and the durability of tubular pole can satisfy completely
The requirement of corrosion resistance medium, designer seldom considers the requirement of tubular pole under the conditions of specific corrosion type, to make
Obtaining Pipe Pile Engineering has durability hidden danger.By taking Construction of Hangzhou Bay Cross-sea Bridge as an example, it uses " collection pile pier " design concept, as
Each bridge pier of foundation structure is made of 10-12 steel-pipe pile.And high temperature, oxygen saturation and seawater spluttering can cause in splash zone
Serious corrosion condition.The corrosion rate in the Cook bay of splash zone such as Alaska can reach annual 900 microns.As being difficult
Maintenance, non-exchange, service phase are more than 100 years underwater components, the Long-effect corrosion-resistant of foundation structure in the seawater and comprehensive
Corrosion control scheme becomes urgent problem to be solved.Earlier industry developed country bridge steel pipe column is mainly by more than reserved steel corrosion
Amount, reaches projected life by corrosion allowance.But this method wastes a large amount of steels, manufacture and mounting cost height, construction period
It is long, it is not the method for economically feasible, long-acting corrosion control corrosion.And Hangzhou Gulf Great Bridge uses three layers of high-performance fusion bonded epoxy coating
Mentality of designing anti-tubular pole corrosion, but coating still has local damage, falls off with coating service life lower than the Pipe pile design longevity
The problems such as life.In addition to this, for directly using PHC tubular pole to make other marine engineerings on basis, the chloride in seawater can
It is contacted by the gap of concrete surface across concrete and rebar, due to the high alka environment of concrete, reinforcing bar can be blunt
Change, so as to cause the corrosion of regional area, finally due to the internal pressure for generation of getting rusty, concrete can fall off fracture, thus shadow
It rings and arrives tubular pole performance, influence the safety of structure.Therefore, tubular pole is applied to still have durability and corrosion resistance when ocean engineering
Insufficient problem, leaves very big security risk to engineering.Secondly, making full use of near-coastal resources includes sea sand, sandstone etc., maximum
Change and use prefabricated components, substantially reducing wet construction rate is also the characteristics of ocean engineering is different from land engineering and requirement, to tubular pole
Development should fully consider such factor.Based on the harshness of the above marine corrosion environment, need to develop a kind of corrosion resistance
By force, the good pile foundation form of durability.
Summary of the invention
The object of the present invention is to provide a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure, which passes through
FRP pipe applies lateral confinement to tubular pole core concrete, so that concrete is in three pressured states, improves the carrying energy of tubular pole
Power and bending stiffness delay the development of its microcrack, have been improved particularly the durability of tubular pole；Especially suitable for harbour, harbour etc.
Corrosion resistance piling strtucture in ocean engineering improves tubular pole to obtain good structure tension performance and corrosion resistance
Durability, bearing capacity, bending stiffness and shock resistance.
It is of the existing technology in order to solve the problems, such as, the present invention adopts the following technical scheme:
A kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure includes as the FRP pipe of lateral wall, as inside
The PHC tubular pole core pipe of wall and the concrete layer being cast between FRP pipe and PHC tubular pole core pipe, FRP pipe, PHC tubular pole core pipe and mixed
Solidifying soil layer forms hollow shell pill.
Further, the cross section of the FRP pipe is any one in round or rectangle, the PHC tubular pole core pipe
Cross section be annular.
Further, the FRP pipe is using in carbon fiber CFRP pipe, glass fibre GFRP pipe or aramid fiber AFRP pipe
Any one.
Further, the concrete layer uses the sea sand sandstone of normal concrete, self-compacting concrete or near-coastal resources
In any one be filled.
Further, the PHC tubular pole core pipe by deformed bar, tie hoop and pile concrete factory use from
Heart moulding process is made.
Further, the pile concrete is poured by prestress high intensity concrete or the prestress high intensity concrete of enhancing
It forms.
Advantage for present invention is with beneficial effect:
A kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure of the present invention is to be managed, by the FRP as lateral wall as interior
The hollow shell pill that the PHC tubular pole core pipe of side wall and the concrete layer being fixedly arranged between FRP pipe and PHC tubular pole core pipe are constituted.Outer layer
FRP pipe and PHC tubular pole core pipe geometric centroid are overlapped.The invention of this reality on the outside of PHC tubular pole core pipe by coating FRP pipe, to mention
The high corrosion resistance of structure, and FRP pipe and fill concrete are coated on the outside of PHC tubular pole core pipe to the core to structure
Heart concrete applies lateral confinement, so that concrete is in three pressured states, improves the bearing capacity and bending stiffness of tubular pole,
The development for having delayed its longitudinal microcrack, to improve its endurance quality and anti-seismic performance.The present invention has both FRP and PHC pipe
The advantage of stake core pipe, has good structure tension performance, anti-seismic performance and corrosion resistance, especially suitable for ocean engineering etc.
Other are to corrosion resistance and the higher engineering of life requirement.
The FRP pipe can be with adaptation to local conditions using carbon fiber CFRP pipe, glass fibre GFRP pipe and aramid fiber AFRP
Pipe.FRP material is anticorrosive, anti-fatigue performance is good, can use for a long time in the environment of acid, alkali, villaumite and humidity, thus can mention
The service life of high structure.FRP fibrous composite has good corrosion resistance under long-term severe geological conditions.Sea
The etching problem of foreign structure and offshore structure uses the good FRP of corrosion resistance can be well always than more prominent
Solve the problems, such as this.The sandwich concrete can be normal concrete or compression strength 80-120MPa high-strength concrete and
Self-compacting concrete, sea sand, the sandstone etc. that category near-coastal resources also can be selected are filled, will not be to the property of FRP pipe and PHC tubular pole
It can have an impact, and greatly reduce the Master Cost of engineering.
The present invention takes full advantage of the excellent performance and phase interaction of FRP pipe, concrete and PHC tubular pole three kinds of materials of core pipe
With compensating for disadvantage of the PHC tubular pole applied to corrosion resistance deficiency in the ocean engineerings such as harbour, harbour.On the one hand, lateral wall
FRP pipe can with operative constraint concrete, be obviously improved the stress performance of concrete material, the durability of tubular pole can also be improved；
On the other hand, concrete layer also effectively increases the strength and stiffness of FRP pipe；Collective effect has delayed opening for its longitudinal microcrack
Exhibition.
The present invention is due to being after FRP pipe and PHC tubular pole installation of core pipe is in place, in FRP pipe and PHC tubular pole core pipe interlayer
Between casting concrete, by the application of FRP come the corrosion resistance that improves structure.It, can be on the spot when applied to ocean engineering
Materials make interlayer using sea sand, form composite structure, can be effectively reduced construction formwork expense, operating expenses, Master Cost and
Wet construction rate.
The present invention is prefabricated components, and construction and installation are quick, and the prefabricated feature of the composite structure solves exploitation islands and reefs, ocean
The problem that concrete inconvenience is transported when engineering stake, greatly reduces the wet construction rate of construction site, marine engineering is converted to
Land engineering overcomes the drawbacks such as not convenient of offshore construction.There is concrete cover outside when reinforcing bar is placed in PHC tubular pole core pipe,
FRP has corrosion resistance again, and will not influence FRP pipe and PHC tubular pole core pipe performance, sea sand by using sea sand filling interlayer makes
With greatly reducing Master Cost again；Applied widely, the structural column in engineering of the invention, the supporting under severe corrosive environment
, the present invention can be used in the pile foundation under the conditions of the ocean engineerings such as bridge pier, harbour and harbour and other strong corrosives.
Detailed description of the invention
With reference to the accompanying drawing, the invention will be further described:
Fig. 1 is a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure cross-sectional view shown in embodiment 1；
Fig. 2 is a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure cross-sectional view shown in embodiment 2；
Fig. 3 is a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure cross-sectional view shown in embodiment 3.
In figure: 1 it is FRP pipe, 2 is concrete layer, 3 be PHC tubular pole core pipe, and 4 be deformed bar, and 5 be tie hoop, 6
For pile concrete.
Specific embodiment
The present invention will be described in further detail combined with specific embodiments below, but protection scope of the present invention is not had
The embodiment of body is limited, and is subject to claims.In addition, with without prejudice under the premise of technical solution of the present invention, to this hair
Any modifications or changes easy to accomplish of those of ordinary skill in the art made by bright fall within claim model of the invention
Within enclosing.
Embodiment 1:
As shown in Figure 1, a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure of the present embodiment, includes as outside
The FRP pipe 1 of wall, as inner sidewall PHC tubular pole core pipe 3 and be cast in FRP pipe PHC tubular pole core pipe between concrete layer 2,
FRP pipe 1, PHC tubular pole core pipe 3 and concrete layer 2 form hollow shell pill, and FRP pipe and PHC tubular pole core pipe geometric centroid are overlapped.
The cross section of the FRP pipe 1 is circle, and the cross section of the PHC tubular pole core pipe 3 is annular.
The lateral wall FRP pipe can be outer using carbon fiber CFRP pipe itself, and glass fibers can be used with adaptation to local conditions
GFRP pipe or aramid fiber AFRP pipe are tieed up,
The concrete layer can be poured using normal concrete, self-compacting concrete, and the sea of near-coastal resources also can be selected
Sand, sandstone etc. are filled, and will not manage to FRP and the performance of PHC tubular pole has an impact, and greatly reduce the material of engineering
Expense.
Specific pouring procedure is after FRP pipe 1 and PHC tubular pole core pipe 3 are installed in place, and casting concrete layer 2, is mixed therebetween
Solidifying soil consolidation forms FRP pipe-PHC tubular pole interlayer concrete filled composite structure.
The PHC tubular pole core pipe uses centrifugal forming in factory by deformed bar 4, tie hoop 5 and pile concrete 6
Technique is made.
The pile concrete 6 is poured by prestress high intensity concrete or the prestress high intensity concrete of enhancing.
Embodiment 2:
The cross section of FRP pipe described in the present embodiment 1 is square, remaining is the same as embodiment 1.
Embodiment 3:
The cross section of FRP pipe described in the present embodiment 1 is rectangle, remaining is the same as embodiment 1.
The present invention can be applied particularly to the pile foundation field in civil engineering, be particularly suitable under long-term severe geological environment
Support pile and to higher ocean engineering of corrosion resistance life requirement etc..
The above is only presently preferred embodiments of the present invention, not does any type of limitation to the present invention, for
For those skilled in the art, in the range of not departing from technical solution of the present invention, when the skill using the disclosure above
Art content makes a little equivalent embodiment for being modified to equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to
It also should be regarded as the present invention according to technical spirit any simple modification, equivalent change and modification made to the above embodiment of the invention
Protection scope.All undefined components in this embodiment can be implemented in the prior art.
Claims (6)
1. a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure, it is characterised in that: include as lateral wall
FRP pipe (1), as inner sidewall PHC tubular pole core pipe (3) and be cast in FRP pipe PHC tubular pole core pipe between concrete layer
(2), FRP manages (1), PHC tubular pole core pipe (3) and concrete layer (2) and forms hollow shell pill.
2. a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure according to claim 1, it is characterised in that:
The cross section of the FRP pipe (1) is round or rectangle, and the cross section of the PHC tubular pole core pipe (3) is annular.
3. a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure according to claim 1, it is characterised in that:
The FRP pipe is using any one in carbon fiber CFRP pipe, glass fibre GFRP pipe or aramid fiber AFRP pipe.
4. a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure according to claim 1, it is characterised in that:
The concrete layer is filled out using any one in the sea sand sandstone of normal concrete, self-compacting concrete or near-coastal resources
It fills.
5. a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure according to claim 1, it is characterised in that:
The PHC tubular pole core pipe uses centrifugal forming work in factory by deformed bar (4), tie hoop (5) and pile concrete (6)
Skill is made.
6. a kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure according to claim 5, it is characterised in that:
The pile concrete (6) is poured by prestress high intensity concrete or the prestress high intensity concrete of enhancing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810957048.XA CN109056708A (en) | 2018-08-22 | 2018-08-22 | A kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810957048.XA CN109056708A (en) | 2018-08-22 | 2018-08-22 | A kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109056708A true CN109056708A (en) | 2018-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810957048.XA Pending CN109056708A (en) | 2018-08-22 | 2018-08-22 | A kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure |
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| Country | Link |
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| CN (1) | CN109056708A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881664A (en) * | 2019-01-24 | 2019-06-14 | 东南大学 | A kind of energy pile and its construction method based on FRP |
| CN112012202A (en) * | 2020-09-17 | 2020-12-01 | 福建翔达管桩有限公司 | Corrosion-resistant PHC tubular pile |
| US20220098814A1 (en) * | 2020-09-26 | 2022-03-31 | Jiangsu Ocean University | Frp composite material pile prepared by frp composite material and preparation and pile forming methods |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177965A (en) * | 2007-12-06 | 2008-05-14 | 合肥工业大学 | Steel pipe-FRP pipe core concrete combination structure |
| CN106968244A (en) * | 2017-02-21 | 2017-07-21 | 南昌大学 | A kind of FRP pipes and half prefabricated half cast-in-place regeneration concrete prestressing force overlapping pile foundation and preparation method |
| CN208844550U (en) * | 2018-08-22 | 2019-05-10 | 沈阳建筑大学 | A kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure |
-
2018
- 2018-08-22 CN CN201810957048.XA patent/CN109056708A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177965A (en) * | 2007-12-06 | 2008-05-14 | 合肥工业大学 | Steel pipe-FRP pipe core concrete combination structure |
| CN106968244A (en) * | 2017-02-21 | 2017-07-21 | 南昌大学 | A kind of FRP pipes and half prefabricated half cast-in-place regeneration concrete prestressing force overlapping pile foundation and preparation method |
| CN208844550U (en) * | 2018-08-22 | 2019-05-10 | 沈阳建筑大学 | A kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881664A (en) * | 2019-01-24 | 2019-06-14 | 东南大学 | A kind of energy pile and its construction method based on FRP |
| CN112012202A (en) * | 2020-09-17 | 2020-12-01 | 福建翔达管桩有限公司 | Corrosion-resistant PHC tubular pile |
| US20220098814A1 (en) * | 2020-09-26 | 2022-03-31 | Jiangsu Ocean University | Frp composite material pile prepared by frp composite material and preparation and pile forming methods |
| US11655605B2 (en) * | 2020-09-26 | 2023-05-23 | Jiangsu Ocean University | FRP composite material pile prepared by FRP composite material and preparation and pile forming methods |
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Application publication date: 20181221 |