CN110512802A - The compound tubular pole of PHC and preparation method thereof using FRP as hybrid reinforcement - Google Patents
The compound tubular pole of PHC and preparation method thereof using FRP as hybrid reinforcement Download PDFInfo
- Publication number
- CN110512802A CN110512802A CN201910746594.3A CN201910746594A CN110512802A CN 110512802 A CN110512802 A CN 110512802A CN 201910746594 A CN201910746594 A CN 201910746594A CN 110512802 A CN110512802 A CN 110512802A
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- China
- Prior art keywords
- frp
- reinforcement
- phc
- prestressed
- rebar
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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
- E02D5/58—Prestressed concrete piles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/085—Tensile members made of fiber reinforced plastics
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
It includes FRP pipe, concrete pile body, prestressed FRP rebar, nonprestressed reinforcement and tie hoop as the compound tubular pole of PHC of hybrid reinforcement that the invention discloses a kind of using FRP；The FRP pipe sleeve is located at the outer surface of the concrete pile body；The prestressed FRP rebar and nonprestressed reinforcement are embedded in the concrete-pile body each along longitudinally, and the same circumferentially spaced about arrangement of prestressed FRP rebar and nonprestressed reinforcement in concrete-pile body forms hybrid reinforcement ring；The tie hoop, in concrete pile body internal stretch, and is helically wound around the outside of the hybrid reinforcement ring along longitudinally.The compound tubular pole of the PHC has many advantages, such as that rigidity is big, ductility is good, automatic recovery ability is strong, economic performance is good, anti-seismic performance is superior, and working procedure is simple, can be applied to compression in foundation engineering, tension or by curved pile foundation.
Description
Technical field
The present invention relates to a kind of tubular poles and preparation method thereof, and in particular to a kind of multiple as the PHC of hybrid reinforcement using FRP
Close tubular pole and preparation method thereof.
Background technique
The advantages that for prestressed high-strength concrete pile due to its bearing capacity height, pile quality is reliable, applied widely, In
It is used widely in engineering project.However the anti-seismic performance of prestressed high-strength concrete pile is poor, limits it in Gao Zhen
The use in area.In recent years, anti-seismic performance of the tubular pole under horizontal force action causes the extensive concern of engineering circles, tubular pole specification
Some adjustment accordingly have been carried out, the hoop reinforcement in " prestressed concrete pipe pile " 03SG409 is such as increased to " pre- by 1.5m
Prestressed concrete tubular pole " 2m in 10G409, filling out core height inside tubular pole also increased.
Currently, researcher attempts to pass through on the basis of traditional PHC tubular pole aiming at the problem that PHC tubular pole poor seismic behavior
Using different concrete grades, the methods of steam pressure technique of rod iron material and concrete improves the anti-seismic performance of PHC tubular pole.This
Although a little methods improve PHC ductility, but effect is less obvious.
Summary of the invention
Goal of the invention: in order to overcome the drawbacks of the prior art, the invention discloses a kind of using FRP as hybrid reinforcement
The compound tubular pole of PHC, the compound tubular pole of the PHC improve the endurance quality of prestressed high-strength concrete pile, carrying with higher
Performance and anti-seismic performance.
It is a further object of the present invention to provide a kind of production methods of above-mentioned compound tubular pole of PHC.
Technical solution: it is of the present invention it is a kind of using FRP include FRP pipe as the compound tubular pole of PHC of hybrid reinforcement, it is mixed
Solidifying soil pile body, prestressed FRP rebar, nonprestressed reinforcement and tie hoop；The FRP pipe sleeve is located at the concrete pile body
Outer surface；The prestressed FRP rebar and nonprestressed reinforcement are embedded in the concrete-pile body each along longitudinally, and pre-
The same circumferentially spaced about arrangement of stress FRP tendons and nonprestressed reinforcement in concrete-pile body forms hybrid reinforcement ring；It is described
Tie hoop, in concrete pile body internal stretch, and is helically wound around the outside of the hybrid reinforcement ring along longitudinally.
Wherein, the FRP pipe with a thickness of 4-6mm.
The tie hoop includes being located at the encryption spiral bar at both ends and being located in the middle non-encrypted spiral bar.
Diameter, spacing and the length of the encryption spiral bar are determined according to the size of suffered shearing；Non-encrypted spiral bar
Diameter, spacing and length according to the size of suffered moment of flexure determine.
The diameter and quantity of the prestressed FRP rebar determine that described is non-pre- according to suffered moment of flexure and shearing is common
The quantity and diameter of stress reinforcing bar are identical as prestressed FRP rebar.
The length of the nonprestressed reinforcement is the sum of length and tensioning length of prestressed FRP rebar.
It further include pile protection hoop and end plate, the pile protection cuff is set to the outer surface both ends of the FRP pipe, the end plate covering
On two end faces of the concrete pile body, end plate has fixation hole and tensioning bolt hole, and the fixation hole is for fixed pre-
Stress FRP tendons and nonprestressed reinforcement, the tensioning bolt hole is for connecting tensioning equipment.
The length of the pile protection hoop is 40-80cm.
The fixation hole is 3-5mm bigger than the diameter of the prestressed FRP rebar and nonprestressed reinforcement.
Corresponding to the above-mentioned compound tubular pole of PHC using FRP as hybrid reinforcement, production method of the present invention is used
Technical solution include the following steps:
(1) long stake, stake diameter, maximal bending moment and shearing suffered by stake are determined according to design requirement；
(2) according to the long length and thickness for determining FRP pipe with stake diameter of stake；
(3) maximal bending moment according to suffered by stake and the quantity for determining prestressed FRP rebar and nonprestressed reinforcement and straight is sheared
Diameter；
(4) ruler of end plate is customized according to the size of the diameter of prestressed FRP rebar and nonprestressed reinforcement, tensioning bolt hole
Very little, aperture quantity and spacing；
(5) stretch-draw prestressing force and length of prestressed FRP rebar is determined by calculation, determines the pre-stress FRP of original state
The length of muscle and nonprestressed reinforcement；
(6) prestressed FRP rebar and nonprestressed reinforcement are fixed on end plate, prestressed FRP rebar is made by tensioning equipment
Reach the prestressing force of calculating；
(7) concrete for pouring respective intensities in a template by design, is produced by centrifugation, steam curing using FRP
The compound tubular pole of PHC as hybrid reinforcement.
The utility model has the advantages that compared with prior art, the main reinforcement of the compound tubular pole of PHC is using prestressed FRP rebar and non-prestressed steel
Muscle greatly improves the load-carrying properties of prestressed high-strength concrete pile, improves anti-seismic performance；And using FRP pipe as permanently
Template can be good at the erosion for resisting external environment, improve the durability of structure, reduce the life cycle cost of pile foundation engineering.
The compound tubular pole of the PHC has many advantages, such as that rigidity is big, ductility is good, automatic recovery ability is strong, economic performance is good, anti-seismic performance is superior, and
And working procedure is simple, can be applied to compression in foundation engineering, tension or by curved pile foundation.
Detailed description of the invention
Fig. 1 is the cross-sectional structure schematic diagram of the compound tubular pole of PHC of the present invention；
Fig. 2 is the structural schematic diagram of the compound tubular pole of PHC of the present invention, and lower half portion shows internal perspective structure in figure.
Specific embodiment
In the following, being described in further details in conjunction with attached drawing to the present invention.
As shown in Figs. 1-2, a kind of compound tubular pole of PHC using FRP as hybrid reinforcement, including FRP pipe 1, concrete-pile
Body 2, prestressed FRP rebar 3, nonprestressed reinforcement 4, tie hoop 5, pile protection hoop 6 and end plate 7.Wherein, FRP pipe 1 and prestressing force
The one or more that FRP tendons 3 are all made of glass fibre, carbon fiber, aramid fiber or basalt fibre are made.Concrete
Pile body 2 is using strong concrete pours and passes through centrifugation, steam curing is formed.
Specifically, FRP pipe 1 is set in the outer surface of concrete pile body 2, with a thickness of 4-6mm.Prestressed FRP rebar 3 and non-
Deformed bar 4 is embedded in concrete pile body 2 each along longitudinally, and prestressed FRP rebar 3 and nonprestressed reinforcement 4 exist
Same circumferentially spaced about arrangement in concrete pile body 2 forms hybrid reinforcement ring.The diameter of prestressed FRP rebar 3 and quantity according to
Suffered moment of flexure and shearing is common determines, the quantity and diameter of nonprestressed reinforcement 4 are identical as prestressed FRP rebar 3, non-pre- to answer
The length of power reinforcing bar 4 is the sum of length and tensioning length of prestressed FRP rebar 3.
It please refers to shown in Fig. 2, tie hoop 5, in 2 internal stretch of concrete pile body, and is helically wound around along longitudinally
The outside of hybrid reinforcement ring.The tie hoop 5 includes being located at the encryption spiral bar 51 at both ends and being located in the middle non-encrypted spiral
Muscle 52.The size of the diameter, spacing and length the L1 shearing according to suffered by tubular pole that encrypt spiral bar 51 determines；Non-encrypted spiral bar
52 diameter, spacing and length L2 is determined according to the size of suffered moment of flexure.
Pile protection hoop 6 is sheathed on the outer surface both ends of FRP pipe 1, and length is 40-80cm.End plate 7 is covered on concrete pile body 2
Two end faces on, end plate 7 has fixation hole and tensioning bolt hole, and the fixation hole is for fixing main reinforcement namely prestressed FRP rebar
3 and nonprestressed reinforcement 4, diameter 3-5mm big compared with the diameter of main reinforcement.Tensioning bolt hole is for connecting tensioning equipment, tensioning spiral shell
The bolt matching of keyhole and tensioning equipment.
The production method of the above-mentioned compound tubular pole of PHC, includes the following steps:
(1) the long L of stake, stake diameter D, maximal bending moment and shearing suffered by stake are determined according to design requirement；
(2) length and thickness of FRP pipe are determined according to the long L of stake and stake diameter D；
(3) maximal bending moment according to suffered by stake and the quantity for determining prestressed FRP rebar and nonprestressed reinforcement and straight is sheared
Diameter；
(4) ruler of end plate is customized according to the size of the diameter of prestressed FRP rebar and nonprestressed reinforcement, tensioning bolt hole
Very little, aperture quantity and spacing；
(5) stretch-draw prestressing force and length of prestressed FRP rebar is determined by calculation, determines the pre-stress FRP of original state
The length of muscle and nonprestressed reinforcement；
(6) prestressed FRP rebar and nonprestressed reinforcement are fixed on end plate, prestressed FRP rebar is made by tensioning equipment
Reach the prestressing force of calculating；
(7) concrete for pouring respective intensities in a template by design, is produced by centrifugation, steam curing using FRP
The compound tubular pole of PHC as hybrid reinforcement.
Claims (10)
1. a kind of compound tubular pole of PHC using FRP as hybrid reinforcement, which is characterized in that manage (1), concrete pile body including FRP
(2), prestressed FRP rebar (3), nonprestressed reinforcement (4) and tie hoop (5)；The FRP pipe (1) is set in the coagulation
The outer surface of native pile body (2)；The prestressed FRP rebar (3) and nonprestressed reinforcement (4) are embedded in described each along longitudinally
In concrete pile body (2), and the same circumference of prestressed FRP rebar (3) and nonprestressed reinforcement (4) in concrete pile body (2)
On be intervally arranged to form hybrid reinforcement ring；The tie hoop (5) along longitudinally in concrete pile body (2) internal stretch,
And it is helically wound around the outside of the hybrid reinforcement ring.
2. the PHC compound tubular pole according to claim 1 using FRP as hybrid reinforcement, which is characterized in that the FRP
Pipe with a thickness of 4-6mm.
3. the PHC compound tubular pole according to claim 1 using FRP as hybrid reinforcement, which is characterized in that the spiral
Stirrup (5) includes being located at the encryption spiral bar (51) at both ends and being located in the middle non-encrypted spiral bar (52).
4. the PHC compound tubular pole according to claim 3 using FRP as hybrid reinforcement, which is characterized in that the encryption
Diameter, spacing and the length of spiral bar (51) are determined according to the size of suffered shearing；The diameter of non-encrypted spiral bar (52),
Away from determining according to the size of suffered moment of flexure with length.
5. a kind of compound tubular pole of PHC using FRP as hybrid reinforcement according to claim 1, which is characterized in that described
Prestressed FRP rebar (3) diameter and quantity determined according to suffered moment of flexure and shearing are common, the nonprestressed reinforcement
(4) quantity and diameter is identical as prestressed FRP rebar (3).
6. the PHC compound tubular pole according to claim 5 using FRP as hybrid reinforcement, which is characterized in that described is non-
The length of deformed bar (4) is the sum of length and the tensioning length of prestressed FRP rebar (3).
7. the PHC compound tubular pole according to claim 1 using FRP as hybrid reinforcement, which is characterized in that further include stake
Cuff (6) and end plate (7), the pile protection hoop (6) are sheathed on the outer surface both ends of the FRP pipe (1), end plate (7) covering
On two end faces of the concrete pile body (2), end plate (7) has fixation hole and tensioning bolt hole, and the fixation hole is used for
Fixed prestressed FRP rebar (3) and nonprestressed reinforcement (4), the tensioning bolt hole is for connecting tensioning equipment.
8. the PHC compound tubular pole according to claim 7 using FRP as hybrid reinforcement, which is characterized in that the pile protection
The length for binding round (6) is 40-80cm.
9. the PHC compound tubular pole according to claim 7 using FRP as hybrid reinforcement, which is characterized in that the fixation
The big 3-5mm of diameter of prestressed FRP rebar described in boring ratio (3) and nonprestressed reinforcement (4).
10. a kind of production of -9 described in any item compound tubular poles of PHC using FRP as hybrid reinforcement according to claim 1
Method, which comprises the steps of:
(1) long stake, stake diameter, maximal bending moment and shearing suffered by stake are determined according to design requirement；
(2) according to the long length and thickness for determining FRP pipe with stake diameter of stake；
(3) maximal bending moment according to suffered by stake and shearing determine the quantity and diameter of prestressed FRP rebar and nonprestressed reinforcement；
(4) size, the hole of end plate are customized according to the size of the diameter of prestressed FRP rebar and nonprestressed reinforcement, tensioning bolt hole
The quantity and spacing of diameter；
(5) stretch-draw prestressing force and length of prestressed FRP rebar is determined by calculation, determine original state prestressed FRP rebar and
The length of nonprestressed reinforcement；
(6) prestressed FRP rebar and nonprestressed reinforcement are fixed on end plate, reach prestressed FRP rebar by tensioning equipment
The prestressing force of calculating；
(7) concrete for pouring respective intensities in a template by design, is produced by centrifugation, steam curing using FRP conduct
The compound tubular pole of the PHC of hybrid reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910746594.3A CN110512802A (en) | 2019-08-13 | 2019-08-13 | The compound tubular pole of PHC and preparation method thereof using FRP as hybrid reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910746594.3A CN110512802A (en) | 2019-08-13 | 2019-08-13 | The compound tubular pole of PHC and preparation method thereof using FRP as hybrid reinforcement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110512802A true CN110512802A (en) | 2019-11-29 |
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ID=68625681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910746594.3A Pending CN110512802A (en) | 2019-08-13 | 2019-08-13 | The compound tubular pole of PHC and preparation method thereof using FRP as hybrid reinforcement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110512802A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605070A (en) * | 2020-05-06 | 2020-09-01 | 天津大学 | Construction method for concrete between double-layer pipe and pipeline |
| CN113047269A (en) * | 2021-03-17 | 2021-06-29 | 哈尔滨工业大学 | PHC (prestressed high-strength concrete) tubular pile with embedded steel bar-FRP (fiber reinforced Plastic) double-layer reinforcement cage and preparation method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919572A (en) * | 1987-09-17 | 1990-04-24 | Strabag Bau-Ag | Fender pile |
| CN201343726Y (en) * | 2009-06-04 | 2009-11-11 | 河南建华管桩有限公司 | Horizontal force bearing pile |
| CN201420262Y (en) * | 2008-12-23 | 2010-03-10 | 陈子成 | Circular solid preload-stress concrete tubular pile |
| CN101666089A (en) * | 2009-09-28 | 2010-03-10 | 河南建华管桩有限公司 | Horizontal bearing reinforced prestress concrete offcenter squared pile |
| CN201835278U (en) * | 2010-08-31 | 2011-05-18 | 上海中技桩业股份有限公司 | Prestressed high-strength concrete square pile |
| CN202380461U (en) * | 2011-12-01 | 2012-08-15 | 安徽省交通规划设计研究院 | Anti-seismic prestressed high strength concrete (PHC) pipe pile |
| CN202492836U (en) * | 2012-02-06 | 2012-10-17 | 天津建城基业集团有限公司 | Soil-retaining duplex-type reinforced tube pile |
| CN103046545A (en) * | 2013-01-17 | 2013-04-17 | 浙江东欣建设集团有限公司 | Production process of prestress FRP-rib (fiber reinforce plastic-rib) concrete pipe pile |
| CN105386442A (en) * | 2015-10-19 | 2016-03-09 | 广西大学 | FRP wrapped prestress recycled concrete tubular pile |
| CN205100205U (en) * | 2015-11-18 | 2016-03-23 | 黄贺明 | Concrete ocean tubular pile |
| CN205776191U (en) * | 2016-05-20 | 2016-12-07 | 建华建材（沈阳）有限公司 | A kind of stake for port and pier permanent support |
-
2019
- 2019-08-13 CN CN201910746594.3A patent/CN110512802A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4919572A (en) * | 1987-09-17 | 1990-04-24 | Strabag Bau-Ag | Fender pile |
| CN201420262Y (en) * | 2008-12-23 | 2010-03-10 | 陈子成 | Circular solid preload-stress concrete tubular pile |
| CN201343726Y (en) * | 2009-06-04 | 2009-11-11 | 河南建华管桩有限公司 | Horizontal force bearing pile |
| CN101666089A (en) * | 2009-09-28 | 2010-03-10 | 河南建华管桩有限公司 | Horizontal bearing reinforced prestress concrete offcenter squared pile |
| CN201835278U (en) * | 2010-08-31 | 2011-05-18 | 上海中技桩业股份有限公司 | Prestressed high-strength concrete square pile |
| CN202380461U (en) * | 2011-12-01 | 2012-08-15 | 安徽省交通规划设计研究院 | Anti-seismic prestressed high strength concrete (PHC) pipe pile |
| CN202492836U (en) * | 2012-02-06 | 2012-10-17 | 天津建城基业集团有限公司 | Soil-retaining duplex-type reinforced tube pile |
| CN103046545A (en) * | 2013-01-17 | 2013-04-17 | 浙江东欣建设集团有限公司 | Production process of prestress FRP-rib (fiber reinforce plastic-rib) concrete pipe pile |
| CN105386442A (en) * | 2015-10-19 | 2016-03-09 | 广西大学 | FRP wrapped prestress recycled concrete tubular pile |
| CN205100205U (en) * | 2015-11-18 | 2016-03-23 | 黄贺明 | Concrete ocean tubular pile |
| CN205776191U (en) * | 2016-05-20 | 2016-12-07 | 建华建材（沈阳）有限公司 | A kind of stake for port and pier permanent support |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605070A (en) * | 2020-05-06 | 2020-09-01 | 天津大学 | Construction method for concrete between double-layer pipe and pipeline |
| CN113047269A (en) * | 2021-03-17 | 2021-06-29 | 哈尔滨工业大学 | PHC (prestressed high-strength concrete) tubular pile with embedded steel bar-FRP (fiber reinforced Plastic) double-layer reinforcement cage and preparation method thereof |
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Application publication date: 20191129 |