CN203905298U - Superimposed component of reinforced concrete filled FRP pipe and concrete filled steel pipe - Google Patents

Superimposed component of reinforced concrete filled FRP pipe and concrete filled steel pipe Download PDF

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Publication number
CN203905298U
CN203905298U CN201420277359.9U CN201420277359U CN203905298U CN 203905298 U CN203905298 U CN 203905298U CN 201420277359 U CN201420277359 U CN 201420277359U CN 203905298 U CN203905298 U CN 203905298U
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CN
China
Prior art keywords
steel
concrete
pipe
frp
steel pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420277359.9U
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Chinese (zh)
Inventor
梁炯丰
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Central South University
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Central South University
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Filing date
Publication date
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Priority to CN201420277359.9U priority Critical patent/CN203905298U/en
Application granted granted Critical
Publication of CN203905298U publication Critical patent/CN203905298U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a superimposed component of a reinforced concrete filled FRP pipe and a concrete filled steel pipe, and relates to the field of civil engineering. The superimposed component of the reinforced concrete filled FRP pipe and the concrete filled steel pipe comprises a steel pipe and a stirrup, wherein the steel pipe is filled with concrete and is wrapped with reinforced concrete; a plurality of steel bars are arranged in the reinforced concrete; the stirrup is hooped on the outer sides of the steel bars; the steel bars include the longitudinally arranged steel bars and the transversely arranged steel bars; an FRP pipe is arranged on the outer side of the reinforced concrete. The superimposed component can strengthen the load bearing capability of the superimposed component of the concrete filled steel pipe, ensures a smooth construction process, and can improve the corrosion resistance and the anti-seismic property of the superimposed component of the concrete filled steel pipe, simplify the mounting process during construction, reduce lands used for construction, and shorten the construction period, so as to bring convenience for the construction.

Description

FRP manages steel concrete-steel tube concrete superposed member
Technical field
The utility model relates to field of civil engineering, is specifically related to a kind of FRP pipe steel concrete-steel tube concrete superposed member.
background technology
Steel tube concrete superposed member is to be formed by the concrete filled steel tube at middle part, cross section and the reinforced concrete sandwich outside steel pipe, the ductility that its tool is good and energy dissipation capacity, and the concrete filled steel tube at middle part, cross section has improved the shear-carrying capacity of post, easily realize strong shear capacity and weak bending capacity, be shearing corresponding with flexure supporting capacity in reinforced concrete member lower than the designing requirement of this member Shear supporting capacity, before being subject to curved destruction, first there is not shear failure in structural element; In steel pipe, having concrete outward with steel pipe, can there is not flexing in steel pipe walls, and the concrete outside steel pipe can play anti-fire action.
Current common steel tube concrete superposed member, steel concrete outside its steel pipe adopts concrete and longitudinal reinforcement to make, this type of steel tube concrete superposed member, in the time need to carrying heavier object, its bearing capacity is often inadequate, in the process of construction, once steel tube concrete superposed member does not carry the weight that needs carrying, cannot guarantee carrying out smoothly of work progress, bring potential safety hazard even can to construction.
And, steel tube concrete superposed member skin is steel concrete, and steel concrete is because long term exposure is in air, and once work as, moisture in air content is more, can there is chemical reaction in reinforcing bar and steel pipe, cause reinforcing bar and steel pipe corrosion in a humid environment.In addition, steel tube concrete superposed member skin is steel concrete, and shock resistance is poor; And conventional steel tube concrete superposed member, when placing of concrete, need to adopt template, has brought inconvenience to construction.
utility model content
The purpose of this utility model is in order to overcome the deficiency of above-mentioned background technology, and a kind of FRP pipe steel concrete-steel tube concrete superposed member is provided, and can strengthen the supporting capacity of steel tube concrete superposed member, guarantees carrying out smoothly of work progress; Can strengthen the corrosion resistance of steel tube concrete superposed member; Can strengthen the shock resistance of steel tube concrete superposed member, can simplify installation technology, reduce construction land tenure reduction of erection time, and then bring convenience to construction.
The utility model provides a kind of FRP pipe steel concrete-steel tube concrete superposed member, comprise steel pipe and stirrup, in steel pipe, be filled with concrete, steel pipe is wrapped with steel concrete, in steel concrete, be provided with some reinforcing bars, described stirrup hoop is pricked in reinforcing bar outside, and described reinforcing bar comprises the reinforcing bar of some longitudinal settings and the reinforcing bar of some horizontally sets, and steel concrete arranged outside has FRP pipe.
Further, the cross section of described steel pipe and FRP pipe is circle.
Further, the wall thickness of described steel pipe is 5mm.
Further, the internal diameter of described steel pipe is 100mm.
Further, the wall thickness of described FRP pipe is 3mm.
Further, the internal diameter of described FRP pipe is 250mm.
Further, the geometric center of the cross section of the geometric center of the cross section of described steel pipe and FRP pipe overlaps.
Further, the diameter of described reinforcing bar is 5mm.
Further, described steel concrete is equal with concrete two ends end face.
Compared with prior art, advantage of the present utility model is as follows:
(1) in the utility model, in steel concrete, be provided with reinforcing bar and horizontal reinforcing bar longitudinally, can strengthen the supporting capacity of steel tube concrete superposed member, guarantee carrying out smoothly of work progress.
(2) in the utility model, steel concrete arranged outside has FRP(Fiber Reinforced Plastic fibre reinforced plastics) pipe, avoid reinforcing bar and steel pipe to be exposed in air, prevent the corrosion in air of reinforcing bar and steel pipe, can strengthen the corrosion resistance of steel tube concrete superposed member.
(3) in the utility model, steel concrete arranged outside has FRP pipe, can strengthen the shock resistance of steel tube concrete superposed member.
(4) in the utility model, steel concrete arranged outside has FRP pipe, and FRP pipe and steel pipe itself are the templates of resistance to side pressure, when placing of concrete, can save the construction of template, can simplify installation technology, reduce construction land tenure reduction of erection time, and then bring convenience to construction.
accompanying drawing explanation
Fig. 1 is FRP pipe steel concrete-steel tube concrete superposed element cross-section schematic diagram in the utility model embodiment.
Reference numeral: 1-steel pipe, 2-concrete, 3-reinforcing bar, 4-stirrup, 5-FRP pipe, 6-steel concrete.
the specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Shown in Figure 1, the utility model embodiment provides a kind of FRP pipe steel concrete-steel tube concrete superposed member, comprises steel pipe 1 and stirrup 4, and the wall thickness of steel pipe 1 is 5mm, and the internal diameter of steel pipe 1 is 100mm; In steel pipe 1, be filled with concrete 2, steel pipe 1 is wrapped with steel concrete 6, and the two ends end face of steel concrete 6 and concrete 2 is equal, is provided with some reinforcing bars 3 in steel concrete 6, and the diameter of reinforcing bar 3 is 5mm.Stirrup 4 hoops are pricked in reinforcing bar 3 outsides, and reinforcing bar 3 comprises the reinforcing bar 3 of some longitudinal settings and the reinforcing bar 3 of some horizontally sets, and it is 3mm that steel concrete 6 arranged outside have the wall thickness of FRP pipe 5, FRP pipe 5, and the internal diameter of FRP pipe 5 is 250mm.
The cross section of steel pipe 1 can be circle, can be also rectangle, and the cross section of FRP pipe 5 can be circle, also can be rectangle, in actual applications, the cross section of steel pipe 1 and FRP pipe 5 is all preferably circle, and the geometric center of the cross section of the geometric center of the cross section of steel pipe 1 and FRP pipe 5 overlaps.
In practice of construction process, the manufacturing process of FRP pipe steel concrete-steel tube concrete superposed member is divided into following three phases:
First stage: make and steel pipe 1 is installed, steel pipe 1 is prefabricated in the factory;
Second stage: build steel pipe inner concrete 2;
Phase III: make and install FRP pipe 5, FRP pipe 5 and be prefabricated in the factory;
Fourth stage: build the steel concrete 6 between steel pipe 1 and FRP pipe 5.
Those skilled in the art can carry out various modifications and variations to the utility model embodiment; if these modifications and modification are within the scope of the utility model claim and equivalent technologies thereof, these modifications and modification are also within protection domain of the present utility model.
The prior art that the content of not describing in detail in manual is known to the skilled person.

Claims (9)

1. a FRP manages steel concrete-steel tube concrete superposed member, comprise steel pipe (1) and stirrup (4), in steel pipe (1), be filled with concrete (2), steel pipe (1) is wrapped with steel concrete (6), in steel concrete (6), be provided with some reinforcing bars (3), described stirrup (4) hoop is pricked in reinforcing bar (3) outside, it is characterized in that: described reinforcing bar (3) comprises the reinforcing bar (3) of some longitudinal settings and the reinforcing bar (3) of some horizontally sets, steel concrete (6) arranged outside has FRP pipe (5).
2. FRP pipe steel concrete-steel tube concrete superposed member as claimed in claim 1, is characterized in that: the cross section of described steel pipe (1) and FRP pipe (5) is circle.
3. FRP pipe steel concrete-steel tube concrete superposed member as claimed in claim 1, is characterized in that: the wall thickness of described steel pipe (1) is 5mm.
4. FRP pipe steel concrete-steel tube concrete superposed member as claimed in claim 1, is characterized in that: the internal diameter of described steel pipe (1) is 100mm.
5. FRP pipe steel concrete-steel tube concrete superposed member as claimed in claim 1, is characterized in that: the wall thickness of described FRP pipe (5) is 3mm.
6. FRP pipe steel concrete-steel tube concrete superposed member as claimed in claim 1, is characterized in that: the internal diameter of described FRP pipe (5) is 250mm.
7. FRP pipe steel concrete-steel tube concrete superposed member as claimed in claim 1, is characterized in that: the geometric center of the cross section of the geometric center of the cross section of described steel pipe (1) and FRP pipe (5) overlaps.
8. FRP pipe steel concrete-steel tube concrete superposed member as claimed in claim 1, is characterized in that: the diameter of described reinforcing bar (3) is 5mm.
9. the pipe of the FRP as described in any one in claim 1 to 8 steel concrete-steel tube concrete superposed member, is characterized in that: described steel concrete (6) is equal with the two ends end face of concrete (2).
CN201420277359.9U 2014-05-28 2014-05-28 Superimposed component of reinforced concrete filled FRP pipe and concrete filled steel pipe Expired - Fee Related CN203905298U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420277359.9U CN203905298U (en) 2014-05-28 2014-05-28 Superimposed component of reinforced concrete filled FRP pipe and concrete filled steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420277359.9U CN203905298U (en) 2014-05-28 2014-05-28 Superimposed component of reinforced concrete filled FRP pipe and concrete filled steel pipe

Publications (1)

Publication Number Publication Date
CN203905298U true CN203905298U (en) 2014-10-29

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Country Status (1)

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CN (1) CN203905298U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106013615A (en) * 2016-06-21 2016-10-12 大连理工大学 Self-stressing-concrete-FRP-pipe-constrained combination column
CN106193285A (en) * 2016-06-22 2016-12-07 温州大学 A kind of sea sand renewable hybrid concrete component
CN106869016A (en) * 2017-02-21 2017-06-20 南昌大学 A kind of FRP pipes prefabricated with half half cast-in-place regeneration concrete prestressing force overlapping bridge pier and preparation method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106013615A (en) * 2016-06-21 2016-10-12 大连理工大学 Self-stressing-concrete-FRP-pipe-constrained combination column
CN106193285A (en) * 2016-06-22 2016-12-07 温州大学 A kind of sea sand renewable hybrid concrete component
CN106869016A (en) * 2017-02-21 2017-06-20 南昌大学 A kind of FRP pipes prefabricated with half half cast-in-place regeneration concrete prestressing force overlapping bridge pier and preparation method

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141029

Termination date: 20150528