CN109881664A - A kind of energy pile and its construction method based on FRP - Google Patents
A kind of energy pile and its construction method based on FRP Download PDFInfo
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- CN109881664A CN109881664A CN201910070807.5A CN201910070807A CN109881664A CN 109881664 A CN109881664 A CN 109881664A CN 201910070807 A CN201910070807 A CN 201910070807A CN 109881664 A CN109881664 A CN 109881664A
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- frp
- frp pipe
- pipe
- energy pile
- heat exchanger
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The invention discloses a kind of energy pile in FRP extremely construction methods, including the first FRP pipe, the 2nd FRP pipe, steel reinforcement cage, concrete and heat exchanger tube；The first FRP pipe is coaxially nested in the outside of the 2nd FRP pipe, and the steel reinforcement cage and the concrete form armored concrete, and are filled between the first FRP pipe and the 2nd FRP pipe；The heat exchanger tube is arranged in the inside of the 2nd FRP pipe.The energy pile is compound with reinforced concrete structure using FRP material, greatly improves the durability of energy pile, improves service life；Using inside and outside two layers of FRP pipe as permanent template, the problems such as ensure that the quality of growth, avoid collapse hole；Heat exchanger tube is arranged in inside internal layer FRP pipe, on the one hand effectively heat exchanger tube can be avoided to be corroded by external environment, increases and uses the time, is on the other hand convenient for the maintenance and replacement of heat exchanger tube.Prefabricated mode or cast-in-place mode can be used in the construction method, and construction is flexibly simple, and construction cost is low.
Description
Technical field
The present invention relates to a kind of energy pile and its construction methods, and in particular to a kind of energy pile and its construction based on FRP
Method.
Background technique
With the rapid development of social economy with the sharp increase of population, energy shortages, environmental pollution, ecological disruption etc. one
Series of problems is increasingly prominent, and more stringent requirements are proposed for this effective use and environmental protection to the energy.Global environment is broken
Oneself hinders the unfavorable factor of social sustainable development through becoming to bad and shortage of resources, and the mankind actively take counter-measure to this, and
Renewable energy is included in the pioneer field of national development.It economizes on resources, environment, propulsion energy-saving emission reduction work is protected also to be mentioned
Upper schedule.China is second-biggest-in-the-world economy, while being also the first big country of carbon emission, and environmental improvement is very urgent.In order to
The problem of coping with energy shortages, exploitation are realized to building with using ground source heat pump technology and provide heating, refrigeration and domestic hot-water
Highly effective energy-conserving environmental-protecting type air-conditioning technical, which not only reduces the consumption to conventional energy resource, and meets social environment friend
The theory developed well greatly reduces the destruction to environment.Drilling underground pipe heat transmitter in ground-source heat pump system is embedded in
In building pile basis, makes pile foundation while playing the role of carrying and heat exchange, and this novel pile foundation pattern is exactly
Energy stake；Energy stake is a kind of by ground-source heat pump system and the Novel pile foundation of conventional piles base junction altogether, and stake plays carrying simultaneously
With the function of heat transfer, with good application prospect.
Currently used energy pile be heat exchanger tube is fixed on stake week or the prestressed-concrete pile on steel reinforcement cage or
Person's cast-in-place concrete pile, material used by pile foundation is common armored concrete, durability and poor corrosion resistance, is had
Higher maintenance and replacement cost.Although traditional material can take the anti-corrosions method such as coating, strand ecology can be caused
Very big influence.
Summary of the invention
Goal of the invention: in order to overcome the drawbacks of the prior art, the present invention provides a kind of energy pile based on FRP, the energy
Stake durability with higher, improves the service life of energy pile.
It is a further object of the present invention to provide a kind of construction methods of above-mentioned energy pile.
Technical solution: a kind of energy pile based on FRP of the present invention, including the first FRP pipe, the 2nd FRP pipe, reinforcing bar
Cage, concrete and heat exchanger tube；The first FRP pipe is coaxially nested in the outside of the 2nd FRP pipe, the steel reinforcement cage and institute
It states concrete and forms armored concrete, and be filled between the first FRP pipe and the 2nd FRP pipe；The heat exchanger tube is arranged in second
The inside of FRP pipe.
Wherein, which includes multiple heat exchanger tubes, and multiple heat exchanger tubes are circumferentially equal along the inner wall of the 2nd FRP pipe
Even setting.
The material of the first FRP pipe and the 2nd FRP pipe is that glass fibre, carbon fiber, aramid fiber or basalt are fine
That ties up is a kind of or several.
The thickness of the first FRP pipe and the 2nd FRP pipe is 4-10mm.
The construction method of a kind of energy pile based on FRP of the present invention, including using the prefabricated energy pile based on FRP
Construction procedure or using the cast-in-place energy pile based on FRP construction procedure.
Wherein, the construction procedure of the prefabricated energy pile based on FRP includes:
(1) according to the prefabricated first FRP pipe of Engineering technical parameters, the 2nd FRP pipe and steel reinforcement cage；
(2) the first FRP pipe is nested in outside the 2nd FRP pipe, steel reinforcement cage is fixed on the first FRP pipe and the 2nd FRP manages it
Between, it is managed using the first FRP and the 2nd FRP pipe is template, thereto casting concrete；
(3) heat exchanger tube is arranged in inside and the fixation of the 2nd FRP pipe, obtains the prefabricated energy pile based on FRP；
(4) energy pile based on FRP is transported to engineering construction scene, and carries out lifting piling.
The construction procedure of the cast-in-place energy pile based on FRP includes:
(a) according to the prefabricated first FRP pipe of Engineering technical parameters, the 2nd FRP pipe and steel reinforcement cage；
(b) in engineering construction scene borehole, and the first FRP pipe, the 2nd FRP pipe and reinforcing bar cage hoisting is into hole and solid
It is fixed, heat exchanger tube is worn and is fixed on inside the 2nd FRP pipe；
(c) it is managed using the first FRP and the 2nd FRP pipe is template, thereto casting concrete.
The utility model has the advantages that compared with prior art, the energy pile is compound using FRP material and reinforced concrete structure, significantly
The durability of energy pile is improved, service life is improved；Using inside and outside two layers of FRP pipe as permanent template, the matter of growth ensure that
The problems such as measuring, avoiding collapse hole；Heat exchanger tube is arranged in inside internal layer FRP pipe, on the one hand can effectively avoid heat exchanger tube outer
Portion's environmental attack increases and uses the time, is on the other hand convenient for the maintenance and replacement of heat exchanger tube.Prefabricated molds can be used in the construction method
Formula or cast-in-place mode, construction is flexibly simple, and construction cost is low.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of energy pile of the invention.
Specific embodiment
In the following, being described in further details in conjunction with the accompanying drawings and embodiments to the present invention.
As shown in Figure 1, present embodiment discloses a kind of energy pile based on FRP, including the first FRP pipe 1, the 2nd FRP
Pipe 2, steel reinforcement cage 3, concrete 4 and heat exchanger tube 5.Wherein, the material of the first FRP pipe 1 and the 2nd FRP pipe 2 be glass fibre,
Carbon fiber, aramid fiber or basalt fibre it is a kind of or several.Thickness is preferably 4-10mm according to requirement of engineering.
First FRP pipe 1 is coaxially nested in the outside of the 2nd FRP pipe 2, and steel reinforcement cage 3 and concrete 4 form armored concrete,
And it is filled in the first FRP pipe 1 and the 2nd FRP pipe) between.According to engineering actual demand, more heat exchanger tubes 5, more heat exchanger tubes are set
5 are arranged in the inside of the 2nd FRP pipe 2, and along the circumferential uniformly arrangement of the inner wall of the 2nd FRP pipe 2.
Meanwhile present embodiment also discloses the construction method of the above-mentioned energy pile based on FRP, which can be used
Two kinds of different construction procedures:
Embodiment 1 uses the construction procedure of the prefabricated energy pile based on FRP, comprising:
(1) according to the prefabricated first FRP pipe of Engineering technical parameters, the 2nd FRP pipe and steel reinforcement cage；Wherein, engineering technology is joined
Number includes size, the intensity of arrangement of reinforcement and concrete of stake.
(2) the first FRP pipe is nested in outside the 2nd FRP pipe, steel reinforcement cage is fixed on the first FRP pipe and the 2nd FRP manages it
Between, it is managed using the first FRP and the 2nd FRP pipe is template, thereto casting concrete；
(3) heat exchanger tube is arranged in inside and the fixation of the 2nd FRP pipe, obtains the prefabricated energy pile based on FRP；
(4) energy pile based on FRP is transported to engineering construction scene, and carries out lifting piling, the side specifically driven piles
Formula is driven piles using static pressure or pile driving by vibration.
Embodiment 2 uses the construction procedure of the cast-in-place energy pile based on FRP, comprising:
(a) according to the prefabricated first FRP pipe of Engineering technical parameters, the 2nd FRP pipe and steel reinforcement cage；Wherein, engineering technology is joined
Number includes size, the intensity of arrangement of reinforcement and concrete of stake.
(b) in engineering construction scene borehole, and the first FRP pipe, the 2nd FRP pipe and reinforcing bar cage hoisting is into hole and solid
It is fixed, heat exchanger tube is worn and is fixed on inside the 2nd FRP pipe；
(c) it is managed using the first FRP and the 2nd FRP pipe is template, thereto casting concrete.
Claims (9)
1. a kind of energy pile based on FRP, which is characterized in that including the first FRP pipe (1), the 2nd FRP pipe (2), steel reinforcement cage (3),
Concrete (4) and heat exchanger tube (5)；The first FRP pipe (1) is coaxially nested in the outside of the 2nd FRP pipe (2), described
Steel reinforcement cage (3) and the concrete (4) form armored concrete, and be filled in the first FRP pipe (1) and the 2nd FRP manage (2) it
Between；The heat exchanger tube (5) is arranged in the inside of the 2nd FRP pipe (2).
2. the energy pile according to claim 1 based on FRP, which is characterized in that more including multiple heat exchanger tubes (5)
A heat exchanger tube (5) is circumferentially uniformly arranged along the inner wall of the 2nd FRP pipe (2).
3. the energy pile according to claim 1 based on FRP, which is characterized in that the first FRP pipe (1) and the 2nd FRP
The material for managing (2) is a kind of or several of glass fibre, carbon fiber, aramid fiber or basalt fibre.
4. the energy pile according to claim 1 based on FRP, which is characterized in that the first FRP pipe (1) and the 2nd FRP
The thickness for managing (2) is 4-10mm.
5. a kind of construction method of the energy pile according to claim 1-4 based on FRP, which is characterized in that adopt
Construction procedure with the prefabricated energy pile based on FRP or the construction procedure using the cast-in-place energy pile based on FRP.
6. construction method according to claim 5, which is characterized in that the construction of the prefabricated energy pile based on FRP walks
Suddenly include:
(1) according to the prefabricated first FRP pipe of Engineering technical parameters, the 2nd FRP pipe and steel reinforcement cage；
(2) the first FRP pipe being nested in outside the 2nd FRP pipe, steel reinforcement cage is fixed between the first FRP pipe and the 2nd FRP pipe, with
First FRP pipe and the 2nd FRP pipe are template, thereto casting concrete；
(3) heat exchanger tube is arranged in inside and the fixation of the 2nd FRP pipe, obtains the prefabricated energy pile based on FRP；
(4) energy pile based on FRP is transported to engineering construction scene, and carries out lifting piling.
7. construction method according to claim 6, which is characterized in that the mode driven piles in the step (4) uses static pressure
Piling or pile driving by vibration.
8. construction method according to claim 5, which is characterized in that the construction of the cast-in-place energy pile based on FRP walks
Suddenly include:
(a) according to the prefabricated first FRP pipe of Engineering technical parameters, the 2nd FRP pipe and steel reinforcement cage；
(b) in engineering construction scene borehole, and the first FRP pipe, the 2nd FRP pipe and reinforcing bar cage hoisting is into hole and fixed,
Heat exchanger tube is worn and is fixed on inside the 2nd FRP pipe；
(c) it is managed using the first FRP and the 2nd FRP pipe is template, thereto casting concrete.
9. the construction method according to claim 6 or 8, which is characterized in that the Engineering technical parameters include energy pile
The intensity of size, arrangement of reinforcement and concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070807.5A CN109881664A (en) | 2019-01-24 | 2019-01-24 | A kind of energy pile and its construction method based on FRP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070807.5A CN109881664A (en) | 2019-01-24 | 2019-01-24 | A kind of energy pile and its construction method based on FRP |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109881664A true CN109881664A (en) | 2019-06-14 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910070807.5A Pending CN109881664A (en) | 2019-01-24 | 2019-01-24 | A kind of energy pile and its construction method based on FRP |
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| CN (1) | CN109881664A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177966A (en) * | 2007-12-06 | 2008-05-14 | 合肥工业大学 | Hollow double-layer FRP pipe concrete combination structure |
| CN102733375A (en) * | 2012-06-29 | 2012-10-17 | 上海建工二建集团有限公司 | Pipe pile cap joint of cast-in-place pile pre-buried ground source heat pump |
| CN104278669A (en) * | 2014-10-23 | 2015-01-14 | 南京工业大学 | Prefabricated reinforced concrete pipe pile with double-semicircle W-shaped parallel heat exchanger for ground source heat pump |
| CN106677552A (en) * | 2016-12-23 | 2017-05-17 | 武汉大学 | Method for solidifying steel pipe column through external sleeveing of circular steel pipe concrete |
| CN207260440U (en) * | 2017-07-04 | 2018-04-20 | 东莞理工学院 | A kind of FRP pipes seawater sea sand regenerates self-compacting concrete environment protection architecture component |
| CN109056708A (en) * | 2018-08-22 | 2018-12-21 | 沈阳建筑大学 | A kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure |
| CN109098173A (en) * | 2018-09-28 | 2018-12-28 | 浙江工业大学 | A kind of prefabricated energy pile concrete tubular pile |
-
2019
- 2019-01-24 CN CN201910070807.5A patent/CN109881664A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177966A (en) * | 2007-12-06 | 2008-05-14 | 合肥工业大学 | Hollow double-layer FRP pipe concrete combination structure |
| CN102733375A (en) * | 2012-06-29 | 2012-10-17 | 上海建工二建集团有限公司 | Pipe pile cap joint of cast-in-place pile pre-buried ground source heat pump |
| CN104278669A (en) * | 2014-10-23 | 2015-01-14 | 南京工业大学 | Prefabricated reinforced concrete pipe pile with double-semicircle W-shaped parallel heat exchanger for ground source heat pump |
| CN106677552A (en) * | 2016-12-23 | 2017-05-17 | 武汉大学 | Method for solidifying steel pipe column through external sleeveing of circular steel pipe concrete |
| CN207260440U (en) * | 2017-07-04 | 2018-04-20 | 东莞理工学院 | A kind of FRP pipes seawater sea sand regenerates self-compacting concrete environment protection architecture component |
| CN109056708A (en) * | 2018-08-22 | 2018-12-21 | 沈阳建筑大学 | A kind of FRP pipe-PHC tubular pole interlayer concrete filled composite structure |
| CN109098173A (en) * | 2018-09-28 | 2018-12-28 | 浙江工业大学 | A kind of prefabricated energy pile concrete tubular pile |
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Application publication date: 20190614 |