CN205742161U - A kind of novel high-strength prefabricated geothermal energy concrete tubular pile - Google Patents
A kind of novel high-strength prefabricated geothermal energy concrete tubular pile Download PDFInfo
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- CN205742161U CN205742161U CN201620679997.2U CN201620679997U CN205742161U CN 205742161 U CN205742161 U CN 205742161U CN 201620679997 U CN201620679997 U CN 201620679997U CN 205742161 U CN205742161 U CN 205742161U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
Abstract
This utility model belongs to energy-saving building technology field, relates to a kind of novel high-strength prefabricated geothermal energy concrete tubular pile, and prefabricated tubular pile pile body installation by adhering is in the bottom of pile foundation support table；The bottom of prefabricated tubular pile pile body is prefabricated tubular pile stake end, and prefabricated tubular pile stake end is closed configuration or installs pile tip with closed opening at prefabricated tubular pile stake end；Lower rebar cage and the combination of upper reinforcement cage constitute support; fixing reinforcing bar it is reserved with on upper reinforcement cage; it is joint bar that upper reinforcement cage stretches into the part of pile foundation support table; prefabricated tubular pile pile body is connected by joint bar with pile foundation support table; PE heat-exchange tube, together with support colligation, installs protection sleeve pipe at the top joint of PE heat-exchange tube；Have tube core in prefabricated tubular pile pile body, in tube core, be filled with tube core filled media, in PE heat-exchange tube inserts tube core together with support and be welded in tubular pile end head plate；Its simple in construction, easy to use, low cost, heat exchange efficiency is high, safe and reliable, environmental friendliness.
Description
Technical field:
This utility model belongs to energy-saving building technology field, relates to a kind of novel high-strength prefabricated geothermal energy concrete tubular pile.
Background technology:
Along with progress and the development of science and technology, the utilization of shallow layer geothermal energy becomes a kind of novel energy-conserving mode, geothermal energy
Not only can save fossil energy, moreover it is possible to reduce the discharge polluted, be the one of following novel energy.At present, earth source heat pump skill
Art utilizes buried-pipe system in heat exchange well can realize heat exchange and energy storage is extracted, but, traditional ground heat-exchange system needs
Take a large amount of place and the underground space, and initial investment is high, installation difficulty is big, constrain the extensive application of geothermal energy resource.
In recent years, on the basis of source heat pump technology traditionally, by collaborative to itself and pile foundation construction and work, formed a kind of complete
New energy-saving building technology " energy stake ", the underground pipe of traditional ground heat-exchange system is cast in pile foundation concrete by energy stake
In so that it is having structural elements and heat exchanger dual-use function concurrently, system cost is low.The concept of environmental protection is dissolved into pile foundation work by energy stake
Cheng Zhong, economic and social benefit is notable, but, heat exchanger tube is buried in existing energy stake underground, significantly weakens the vertical carrying of foundation pile
Ability, in order to meet safety requirements, conventional energy stake pile-type typically uses the cast-in-situ bored pile being relatively large in diameter, and field procedure is numerous
Miscellaneous, long in time limit, cost is high.Therefore, in the urgent need to the energy of the exploitation new structure that a kind of duration is short, low cost, degree of safety are high
Stake.
Summary of the invention:
Goal of the invention of the present utility model is the shortcoming overcoming prior art to exist, and seeking design provides a kind of novel height
Strong prefabricated tubular pile energy stake, on the basis of existing prefabricated closed end tube stake technology, piling is intracardiac soon in prefabricated pipe stake holes after terminating
Speed installs heat-exchange tube, and fills concrete as heat-conducting medium at hole of post in-core, it is achieved cooling in summer, the merit of heat supply in winter
Can, while improving pile tube quality, simplify working procedure, reduction of erection time, reduction construction costs.
To achieve these goals, agent structure of the present utility model include prefabricated tubular pile pile body, prefabricated tubular pile stake end, under
Portion's steel reinforcement cage, upper reinforcement cage, PE heat-exchange tube, tube core filled media, pile foundation support table, tubular pile end head plate and protection sleeve pipe；In advance
Tubulation stake pile body uses by existing pile tube technology, and scene piling machine piling is made, and can be used for according to prefabricated tubular pile material of body of a pile
Prefabricated reinforced concrete pile tube or steel-pipe pile；Prefabricated tubular pile pile body installation by adhering is in the bottom of pile foundation support table；Prefabricated tubular pile stake
The bottom of body is prefabricated tubular pile stake end, and prefabricated tubular pile stake end is closed configuration or installs pile tip with closed opening at prefabricated tubular pile stake end；Under
Portion's steel reinforcement cage and the combination of upper reinforcement cage constitute support, the demarcation line distance prefabricated tubular pile stake of lower rebar cage and upper reinforcement cage
The tip designs absolute altitude 2m of body, lower rebar cage is tied up by the vertical muscle of diameter 6mm, the stirrup of spacing 200mm and four diameter 10mm
Prick and constitute, according to effective heat exchange distance colligation and fixing PE heat-exchange tube, it is to avoid the arm distance of PE heat-exchange tube the most closely produces
Heat interference；Upper reinforcement cage is made up of the vertical muscle colligation of diameter 8mm, the stirrup of spacing 150mm and six roots of sensation diameter 20mm, upper steel
Being reserved with fixing reinforcing bar on muscle cage, it is joint bar that upper reinforcement cage stretches into the part of pile foundation support table, and prefabricated tubular pile pile body holds with pile foundation
Platform is connected by joint bar, and the anchorage length of joint bar is according to prestressed concrete pipe pile " 10G409 national building standard design atlas "
Requirement arrange；PE heat-exchange tube combines, with lower rebar cage and upper reinforcement cage, the support constituted with single U-shaped cloth form of tubes
Together, PE heat-exchange tube is carried out by the geothermal energy transmitted around the heat exchange liquid that circulates and prefabricated tubular pile pile body in colligation
Heat exchange；Protection sleeve pipe is installed at the top joint of PE heat-exchange tube；Have tube core in prefabricated tubular pile pile body, PE heat-exchange tube and
Support inserts in tube core and by the reserved fixing reinforcement welding of upper reinforcement cage together in tubular pile end head plate, to ensure that PE is warm
Exchange pipe position in tube core is not moved；Tube core filled media, tube core filled media and prefabricated pipe it is filled with in tube core
Stake material of body of a pile is together for realizing the heat transfer function between shallow layer geothermal energy and heat-exchange tube, simultaneously to support and PE heat exchange
Pipe plays the fixing and effect of protection, improves its durability.
Tube core filled media described in the utility model includes the slightly expanded concrete of C30 and the normal concrete of C30, wherein
The slightly expanded concrete of C30 is used for filling prefabricated reinforced concrete pile tube, due to the existence of laitance, prefabricated reinforced concrete pile tube
Inner wall surface is relatively rough, and the slightly expanded concrete filling C30 is that medium can guarantee that tube core concrete is tight with pile concrete
Contact, it is to avoid produce bubble thermal resistance on filled media and pile tube contact internal walls face, and then affect energy stake heat transfer efficiency；C30's
Normal concrete is used for steel-pipe pile, and steel-pipe pile inwall is more smooth, and the normal concrete filling C30 can meet requirement.
This utility model compares with conventional energy stake, has the advantage that one is that prefabricated tubular pile irrigates than armored concrete
Pile driving construction speed is fast, and heat-exchange tube can be after piling terminates in quick insertion tube core together with support, hence it is evident that the reduction of erection time,
Reduce construction costs；Two it is heat exchanger tube by effective heat exchange distance colligation, is fixed on support, reduce between arm due to distance too
Heat that is near and that produce is disturbed, and improves heat exchange efficiency high；Three is that by tube core filled media, heat-exchange tube is embedded in prefabricated tubular pile
Tube core in, rather than be embedded in pile concrete, concentrated stress carrying vertical to pile body when substantially reducing pile body stress deformation
The impact of power；Four is that tube core filled media selects concrete material, and not only heat conductivity is high, and can be together with support steel reinforcement cage
Improve energy stake horizontally and vertically bearing capacity, pile body under arms during safe and reliable；Its simple in construction, easy to use, cost
Low, heat exchange efficiency is high, safe and reliable, environmental friendliness.
Accompanying drawing illustrates:
Fig. 1 is agent structure principle schematic of the present utility model.
Fig. 2 is the construction technology process schematic block diagram of this utility model embodiment.
Detailed description of the invention:
Below by embodiment and combine accompanying drawing this utility model is described further.
Embodiment:
The agent structure of the present embodiment includes prefabricated tubular pile pile body 1, prefabricated tubular pile stake end 2, lower rebar cage 3, upper steel
Muscle cage 4, PE heat-exchange tube 5, tube core filled media 6, pile foundation support table 7, tubular pile end head plate 8 and protection sleeve pipe 9；Prefabricated tubular pile pile body
1 uses by existing pile tube technology, and scene piling machine piling is made, and can be used for precast reinforced according to prefabricated tubular pile pile body 1 material
Concrete tubular pile or steel-pipe pile；Prefabricated tubular pile pile body 1 installation by adhering is in the bottom of pile foundation support table 7；The end of prefabricated tubular pile pile body 1
End is prefabricated tubular pile stake end 2, and prefabricated tubular pile stake end 2 for closed configuration or installs pile tip with closed opening at prefabricated tubular pile stake end 2；Bottom steel
Muscle cage 3 and upper reinforcement cage 4 combination constitute support, the demarcation line distance prefabricated tubular pile stake of lower rebar cage 3 and upper reinforcement cage 4
The tip designs absolute altitude 2m of body 1, lower rebar cage 3 is by diameter 6mm, the stirrup of spacing 200mm and the vertical muscle of four diameter 10mm
Colligation is constituted, according to effective heat exchange distance colligation and fixing PE heat-exchange tube 5, it is to avoid the arm of PE heat-exchange tube (refers to 2 to 3
When root PE heat-exchange tube inserts tube core, if distance the most closely can produce thermal resistance effect, can not be used in figure and mark) apart from the most closely producing
Heat is disturbed；Upper reinforcement cage 4 is made up of the vertical muscle colligation of diameter 8mm, the stirrup of spacing 150mm and six roots of sensation diameter 20mm, on
Being reserved with fixing reinforcing bar on portion's steel reinforcement cage 4, it is joint bar that upper reinforcement cage 4 stretches into the part of pile foundation support table 7, prefabricated tubular pile pile body 1
Being connected by joint bar with pile foundation support table 7, the anchorage length of joint bar is according to prestressed concrete pipe pile " 10G409 national building standard
Design atlas " requirement arrange；PE heat-exchange tube 5 is with single U-shaped cloth form of tubes and lower rebar cage 3 and 4 groups of upper reinforcement cage
Closing the support colligation constituted together, PE heat-exchange tube 5 is transmitted with prefabricated tubular pile pile body 1 surrounding by the heat exchange liquid circulated
The geothermal energy come carries out heat exchange；Protection sleeve pipe 9 is installed at the top joint of PE heat-exchange tube 5；Have in prefabricated tubular pile pile body 1
Tube core, at pile tube in PE heat-exchange tube 5 inserts tube core together with support and by the reserved fixing reinforcement welding of upper reinforcement cage 4
On end plate 8, to ensure that the PE heat-exchange tube 5 position in tube core is not moved；Tube core filled media it is filled with in tube core
6, tube core filled media 6 is used for the heat transfer realizing between shallow layer geothermal energy and heat-exchange tube together with prefabricated tubular pile pile body 1 material
Function, plays the fixing and effect of protection simultaneously, improves its durability support and PE heat-exchange tube 5.
The Specific construction process of the prefabricated geothermal energy concrete tubular pile of novel high-strength described in the present embodiment is:
1. on-the-spot piling: after levelling of the land, with total powerstation guide pile standard shaft line, and prepares piling machine in place, uses
The method of static pressed pile carries out piling, after piling terminates, to Stake head handling to design of pile top absolute altitude.
2. steel reinforcement cage colligation and installation: according to distributed steel requirement assembling reinforcement cage, PE heat-exchange tube 5 is fixed on according to W form
On the support that upper reinforcement cage 4 and lower rebar cage 3 are constituted, and PE heat-exchange tube 5 is transferred rapidly it is installed in tube core；PE heat
The fixing air pressure being passed through 0.9MPa before of exchange pipe 5 carries out pressure testing, and keeps 30min not blood pressure lowering, it is ensured that PE heat-exchange tube 5
Sealing, protection sleeve pipe 9 stretch out support is installed at the top joint of PE heat-exchange tube 5, in case when transferring support pair
PE heat-exchange tube 5 produces and damages, and guarantees that when concrete fills core, PE heat-exchange tube 5 is not blocked up by concrete or other construction chip simultaneously
Plug.
3. concrete fills core: in pump concrete to tube core, controls to put forward pipe speed, it is ensured that the pouring quality of concrete, mixed
Solidifying soil requires the air pressure 15min not blood pressure lowering in PE heat-exchange tube 5 during filling core, it is to avoid pouring into heat exchange of concrete
Pipe crimp, thus affect heat exchange efficiency.
Claims (1)
1. a novel high-strength prefabricated geothermal energy concrete tubular pile, it is characterised in that agent structure includes prefabricated tubular pile pile body, pre-
Pipe pile end processed, lower rebar cage, upper reinforcement cage, PE heat-exchange tube, tube core filled media, pile foundation support table, tubular pile end head plate
With protection sleeve pipe；Prefabricated tubular pile pile body is prefabricated reinforced concrete pile tube or steel-pipe pile；Prefabricated tubular pile pile body installation by adhering exists
The bottom of pile foundation support table；The bottom of prefabricated tubular pile pile body is prefabricated tubular pile stake end, and prefabricated tubular pile stake end is closed configuration or in advance
Pipe pile end processed installs pile tip with closed opening；Lower rebar cage and the combination of upper reinforcement cage constitute support, lower rebar cage and upper steel
The tip designs absolute altitude 2m of the demarcation line distance prefabricated tubular pile pile body of muscle cage, lower rebar cage is by diameter 6mm, spacing 200mm
The vertical muscle colligation of stirrup and four diameter 10mm is constituted；Upper reinforcement cage is straight by diameter 8mm, the stirrup of spacing 150mm and the six roots of sensation
The vertical muscle colligation of footpath 20mm is constituted, and upper reinforcement cage is reserved with fixing reinforcing bar, and upper reinforcement cage stretches into the part of pile foundation support table
For joint bar, prefabricated tubular pile pile body is connected by joint bar with pile foundation support table, and PE heat-exchange tube is tied up with support with single U-shaped cloth form of tubes
Bind together, protection sleeve pipe is installed at the top joint of PE heat-exchange tube；Have tube core in prefabricated tubular pile pile body, fill in tube core
There is tube core filled media, the fixing steel bar welding reserved in PE heat-exchange tube inserts tube core together with support and by upper reinforcement cage
It is connected in tubular pile end head plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620679997.2U CN205742161U (en) | 2016-06-30 | 2016-06-30 | A kind of novel high-strength prefabricated geothermal energy concrete tubular pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620679997.2U CN205742161U (en) | 2016-06-30 | 2016-06-30 | A kind of novel high-strength prefabricated geothermal energy concrete tubular pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205742161U true CN205742161U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620679997.2U Active CN205742161U (en) | 2016-06-30 | 2016-06-30 | A kind of novel high-strength prefabricated geothermal energy concrete tubular pile |
Country Status (1)
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| CN (1) | CN205742161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098173A (en) * | 2018-09-28 | 2018-12-28 | 浙江工业大学 | A kind of prefabricated energy pile concrete tubular pile |
| WO2022243669A1 (en) * | 2021-05-17 | 2022-11-24 | Keltbray Limited | Pile cap |
-
2016
- 2016-06-30 CN CN201620679997.2U patent/CN205742161U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098173A (en) * | 2018-09-28 | 2018-12-28 | 浙江工业大学 | A kind of prefabricated energy pile concrete tubular pile |
| WO2022243669A1 (en) * | 2021-05-17 | 2022-11-24 | Keltbray Limited | Pile cap |
| GB2607006A (en) * | 2021-05-17 | 2022-11-30 | Keltbray Ltd | Pile cap |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |