CN111042112A - Novel pipe distribution type drilling and pouring energy pile and construction method thereof - Google Patents
Novel pipe distribution type drilling and pouring energy pile and construction method thereof Download PDFInfo
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- CN111042112A CN111042112A CN201911183547.9A CN201911183547A CN111042112A CN 111042112 A CN111042112 A CN 111042112A CN 201911183547 A CN201911183547 A CN 201911183547A CN 111042112 A CN111042112 A CN 111042112A
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- pipe
- reinforcement cage
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- 238000005553 drilling Methods 0.000 title claims abstract description 9
- 238000010276 construction Methods 0.000 title abstract description 15
- 238000009826 distribution Methods 0.000 title abstract description 13
- 230000002787 reinforcement Effects 0.000 claims description 78
- 229910000831 Steel Inorganic materials 0.000 claims description 44
- 239000010959 steel Substances 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 210000001503 joint Anatomy 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 8
- 238000007667 floating Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000010985 leather Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 5
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Classifications
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/06—Placing concrete under water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
- F24T10/13—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
- F24T10/15—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using bent tubes; using tubes assembled with connectors or with return headers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
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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
Abstract
The invention belongs to the technical field of civil and architectural engineering, and particularly discloses a novel pipe distribution type drilling and pouring energy pile and a construction method thereof.
Description
Technical Field
The invention belongs to the technical field of civil and architectural engineering, and particularly relates to a novel pipe distribution type drilled and cast-in-place energy pile and a construction method thereof.
Background
Shallow geothermal energy is a clean, sustainable energy, the cost is low, the use is convenient, the most important distribution range is wide, the application prospect is considerable, the energy pile technology is that stable and continuous terrestrial heat in the lower stratum is utilized to carry out heat exchange on the upper structure: heat supply can be carried out in winter; the cooling or refrigeration can be carried out in summer, the utilization of the energy pile at present stays on medium and small projects, and the utilization of large and extra large projects is very little.
The bored concrete pile has important meaning to the energy stake is used for the major engineering, and major diameter bored concrete energy stake does not popularize and apply mainly because construction process is complicated, the steel reinforcement cage segmentation is transferred the heat-transfer pipe and is arranged the difficulty, the heat-transfer pipe appears easily by the electric welding or the condition that the concrete pipe destroyed, factor influences such as unstable quality, consequently, how to solve above-mentioned problem and select the most suitable way of laying the pipe is the problem that vast scientific research technical staff await a great deal of solution. The patent document with the application number of 201820023683.6 discloses a ground source heat pump energy pile, the method is provided with circular pipe sections which are connected up and down, a heat exchange pipe is subjected to branch innovation, the heat exchange efficiency is improved, the stress on the heat exchange pipeline in the axial direction is decomposed, and the heat exchange pipeline in the pile is prevented from being deformed or even broken due to large stress after load is applied to the pile top; the patent with the application number of CN201710294328.2 discloses a heat exchange system and a construction process based on a deep buried pipe and an energy pile, and the method overcomes the defects that the traditional buried pipe ground source heat pump system occupies underground space, the energy pile is shallow in embedment and the heat exchange amount is limited, improves the utilization rate of clean geothermal energy, but the heat exchange pipe embedded in the pile is too short, cannot fully utilize geothermal resources, has low survival rate of the heat exchange pipe and the like.
Disclosure of Invention
The invention aims to provide a novel pipe distribution type drilled and cast-in-place energy pile and a construction method thereof, which are used for popularizing the energy pile in large-scale engineering, overcoming some defects and shortcomings in the cast-in-place energy pile construction technology and enhancing the geothermal utilization rate of the cast-in-place energy pile.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a novel drilling perfusion energy stake of stringing form, includes the bored concrete pile, sets up the heat-transfer pipe in the bored concrete pile, with the water pump of heat-transfer pipe import UNICOM to and the heat collector of heat-transfer pipe export UNICOM, water pump and heat collector all with heat transfer structure UNICOM, the bored concrete pile is transferred by a plurality of steel reinforcement cage segmentation and is welded and form, and every steel reinforcement cage comprises top steel reinforcement cage, bottom steel reinforcement cage and middle part steel reinforcement cage three-section, and the steel reinforcement hoop has all been welded to every section steel reinforcement cage top and bottom, the heat-transfer pipe passes the steel reinforcement hoop and ligatures to the steel reinforcement cage on, the heat-transfer pipe accesss to the heat collector.
Furthermore, the heat transfer pipe is in a multi-section splicing shape, and an interface is butted by hot melt or a joint to form an integral loop.
Further, the bored concrete pile body comprises atress reinforcing bar, reinforcement stirrup, spiral stirrup and concrete, and the atress reinforcing bar evenly arranges along pile body circumference, and reinforcement stirrup welds inside the atress reinforcing bar every 2m in vertical direction, and the atress reinforcing bar outside adopts spiral stirrup welding, and the heat-transfer pipe is on two atress reinforcing bar middle parts ligatures to spiral stirrup.
Furthermore, the steel bar hoop is semicircular, and two ends of the steel bar hoop are respectively welded on the reinforcing stirrups at the top and the bottom of each section of the steel bar cage.
Further, heat conducting liquid is filled in the heat transfer pipe, the heat conducting liquid is a mixture of ethylene glycol and water, and the proportion of the ethylene glycol to the water is 20-40%: 60-80%.
A construction method of a novel pipe distribution type drilling and pouring energy pile comprises the following steps:
1) opening and forming holes: when the pile position, the verticality and the early preparation work are confirmed to meet the standard, opening holes;
2) binding a heat transfer pipe: binding heat transfer tubes of the welded reinforcement cage in a reinforcement factory;
3) hoisting and welding a reinforcement cage: lowering each section of reinforcement cage bound with the heat transfer pipe into the hole in a subsection mode, and welding the upper reinforcement cage in sequence;
4) butt joint of heat transfer pipes: after the welding is finished, cooling the steel bars, and butting the tube head of the heat transfer tube with the tube head of the lower steel bar cage, wherein hot melting butt joint or joint butt joint can be adopted;
5) repeating the step 3) and the step 4) until the steel reinforcement cage is completely placed;
6) pouring concrete: the bored pile concrete is poured into the underwater concrete by adopting a guide pipe method, and the height of the poured pile top is not less than 0.5m higher than the designed elevation;
7) connecting a heat transfer pipe: and (3) introducing heat-conducting liquid into the heat-conducting pipe, and connecting the heat-conducting pipe, the water pump and the heat collector in series to form a closed loop.
Further, when the heat transfer pipes are bound in the step 2), the pipe spacing is 35-55 cm, the heat transfer pipes are bound by protective leather sleeves every 1-1.5 m, a binding belt is used for binding the middle of the heat transfer pipes, the heat transfer pipes at the reinforced stirrups are bound by protective sleeves, and the end parts of the heat transfer pipes bound by each section of reinforcement cage pass through welded reinforcement hoops; the heat transfer pipe of stake top portion reserves 3~4m, and the heat transfer pipe of welding department needs to reserve 2m ~3m is transferred to every section steel reinforcement cage.
Further, the head of the heat transfer pipe in the step 3) is fixed to a safe area, and the stressed steel bar is welded in a double-sided lap joint mode.
Further, the pile head heat transfer pipe needs to be protected before concrete pouring, specifically, floating slurry of the pile head of the cast-in-place pile is chiseled off, the heat transfer pipe 2m below the pile top is protected by a steel pipe, and the steel pipe is fixed on a reinforcement cage.
Further, after the concrete is poured in the step 6), the floating slurry of the pile head is chiseled off, so that the quality of the pile head concrete is ensured.
The invention has the advantages that: the invention designs a filling energy pile, which optimizes construction and protects a heat transfer pipe during construction under the condition of not influencing normal construction, and the novel pipe distribution form is divided into a plurality of sections, so that the stress on the heat transfer pipeline in the axial direction is reduced, the heat transfer pipeline in the pile is prevented from deforming or even breaking due to larger stress after load is applied to the pile top, meanwhile, the pipe distribution in the pile is sufficient, geothermal resources can be fully utilized, the heat transfer effect is higher than that of the common U-shaped pipe distribution and spiral pipe distribution, the manufacturing cost is low, the application is wide, the deformation of a pile body caused by expansion with heat and contraction with cold can be reduced, and the pile body can be applied to large-scale green energy-saving projects.
Drawings
Fig. 1 is a schematic view of the arrangement of heat transfer pipes according to the present invention.
FIG. 2 is a schematic view of the construction sequence of the present invention.
Fig. 3 is a schematic view of the construction of the inventive cast-in-place energy pile.
1. Filling piles; 2. a heat transfer tube; 3. stressed steel bars; 4. a spiral stirrup; 5. a steel bar hoop; 6. reinforcing the stirrup; 7. a heat collector; 8. a water pump; 9. a heat exchange structure; 10. a joint; 11. a reinforcement cage; 11-1, a top reinforcement cage; 11-2, a middle reinforcement cage; 11-3, a bottom reinforcement cage; 12. concrete; 13. and (5) protecting the steel pipe.
Detailed Description
As shown in figure 1, the novel pipe distribution type drilling and pouring energy pile comprises a pouring pile 1, the diameter of the pouring pile is 0.8-2.5 m, the length of the pile is greater than 20m, a heat transfer pipe 2 arranged in the pouring pile 1, a water pump 8 communicated with an inlet of the heat transfer pipe 2, and a heat collector 7 communicated with an outlet of the heat transfer pipe 2, wherein the water pump 8 and the heat collector 7 are communicated with a heat exchange structure 9, the pouring pile 1 is formed by welding a plurality of reinforcement cages 11 in a segmented mode, each reinforcement cage 11 is composed of a top reinforcement cage 11-1, a bottom reinforcement cage 11-2 and an intermediate reinforcement cage 11-3, reinforcement hoops 5 are welded to the top and the bottom of each reinforcement cage 11, the reinforcement hoops 5 are semicircular, two ends of each reinforcement hoop 5 are respectively welded to reinforcement hoops 6 on the top and the bottom of each reinforcement cage 11, the radius of each reinforcement hoop 5 is 2-3 cm, because the heat-transfer pipe 2 is protruding more obvious when passing through the reinforcement stirrup 6, weld reinforcement stirrup 5 and make the heat-transfer pipe pass through reinforcement stirrup 5, can play the effect of protection heat-transfer pipe when transferring the concrete pipe, heat-transfer pipe 2 passes reinforcement stirrup 5 ligature to reinforcement cage 11 on, heat-transfer pipe 2 leads to heat collector 7 after water pump 8 and heat transfer structure 9, 2 stringing of heat-transfer pipe is the multistage concatenation form, and the kneck is with hot melt or joint 10 butt joint formation whole return circuit, heat-transfer pipe 2 intussuseption has heat-conducting liquid, and heat-conducting liquid is the mixture of ethylene glycol and water, and the ratio of ethylene glycol and water is 20~ 40%: 60-80%.
Further, 1 pile body of bored concrete pile comprises atress reinforcing bar 3, reinforcement stirrup 6, spiral stirrup 4 and concrete 12, and atress reinforcing bar 3 evenly arranges along the pile body circumference, and reinforcement stirrup 6 welds inside atress reinforcing bar 3 every 2m on vertical direction, and 3 outsides of atress reinforcing bar adopt spiral stirrup 4 to weld, and heat-transfer pipe 2 is on spiral stirrup 4 is ligatured at 3 middle parts of two atress reinforcing bars.
The novel U type pipe laying length of arranging in the stake is greater than the ordinary U type stringing of the same kind stake, and the pile head only has a pair of inlet outlet simultaneously to it is less at the regional difference in height of intensive stringing, can suitably reduce the pump lift demand, compare in parallelly connected many U type stringing can save water pump quantity, 2~3 bored concrete piles use a water pump jointly and can carry out cycle work. The pipe diameter is between 20mm ~25mm, and the too big water phenomenon appears in upper portion bending department that causes easily of pipe diameter.
A construction method of a novel pipe distribution type drilling and pouring energy pile comprises the following steps:
1) opening and forming holes: when the pile position, the verticality and the like are confirmed to meet the standard, opening holes, pouring slurry into the holes before drilling, wherein the opening holes are performed by adopting a low stroke; after the hole is formed, measuring the central position, the pore diameter gradient, the pore depth and the like of the pile hole in time, and immediately cleaning the hole by adopting a slurry changing method after meeting the design and specification requirements;
2) the method comprises the steps of binding heat transfer pipes, namely binding ① the heat transfer pipes 2 of welded reinforcement cages 11 in a reinforcement factory, selecting different pipe intervals according to the size of pile diameters, controlling the pipe intervals to be 35-55 cm, binding ② the heat transfer pipes by adopting protective leather sleeves every 1-1.5 m, binding the middle by using a binding belt, binding ③ the heat transfer pipes at the 6 parts of reinforced stirrups by using protective sleeves, binding ④ the end parts of the heat transfer pipes bound by each section of reinforcement cage 11 need to penetrate through welded reinforcement hoops 5, reserving 3-4 m for the heat transfer pipes at the tops of ⑤ piles, and reserving 2-3 m for the heat transfer pipes at the downward welded part of each section of reinforcement cage;
3) ①, lowering each section of reinforcement cage 11 bound with the heat transfer pipe into the hole in sections, welding the upper reinforcement cage 11 in sequence, fixing the head of the heat transfer pipe to a safe area to avoid damaging the heat transfer pipe, and welding the stressed reinforcement 3 by double-sided lap welding;
4) butt joint of heat transfer pipes: after the welding is finished, cooling the steel bars, and butting the tube head of the heat transfer tube with the tube head of the lower steel bar cage, wherein hot melting butt joint or joint butt joint can be adopted;
5) repeating the steps 3) and 4) until the steel reinforcement cage is completely placed;
6) protecting a heat transfer pipe of a pile head: the large-diameter cast-in-place pile often has a pile head chiseled to remove floating slurry, a heat transfer pipe with the depth of 2m below the pile top needs to be protected by a steel pipe 13, and the steel pipe 13 is fixed on a reinforcement cage 11;
7) pouring concrete: the bored pile concrete is poured into the underwater concrete 12 by adopting a guide pipe method, the height of the poured pile top is ensured to be not less than 0.5m higher than the designed elevation, and finally, floating slurry is chiseled off from the pile head to ensure the quality of the pile head concrete;
8) connecting a heat transfer pipe: water with antifreeze is introduced into the heat transfer pipe, and the heat transfer pipe 2, the water pump 8, the heat exchange structure 9 and the heat collector 7 are connected in series to form a closed loop;
9) shallow geothermal energy in with the soil layer can transmit the heat pipe through stake pile body concrete, gives heat conduction liquid through the heat pipe heat transfer, and heat conduction liquid in the heat pipe return circuit constantly carries the heat collector with the heat circulation.
Claims (10)
1. The utility model provides a novel drilling bored concrete energy stake of stringing form, includes the bored concrete pile, sets up the heat-transfer pipe in the bored concrete pile, with the water pump of heat-transfer pipe import UNICOM to and the heat collector of heat-transfer pipe export UNICOM, water pump and heat collector all with heat transfer structure UNICOM, its characterized in that: the bored concrete pile is transferred by a plurality of steel reinforcement cage segmentation and is welded and form, and every steel reinforcement cage comprises top steel reinforcement cage, bottom steel reinforcement cage and middle part steel reinforcement cage three-section, and every section steel reinforcement cage top and bottom have all been welded the steel reinforcement hoop, the heat-transfer pipe passes on the steel reinforcement hoop ligature to the steel reinforcement cage, the heat-transfer pipe leads to the heat collector after water pump and heat transfer structure.
2. The new piped form of bored energy pile of claim 1, wherein: the heat transfer pipe is in a multi-section splicing shape, and an interface is butted by hot melting or a joint to form an integral loop.
3. The new piped form of bored energy pile of claim 2, wherein: the cast-in-place pile body comprises the stress reinforcing steel bars, reinforcing stirrups, spiral stirrups and concrete, and the stress reinforcing steel bars are evenly arranged along the circumference of the pile body, and the reinforcing stirrups are welded inside the stress reinforcing steel bars at intervals of 2m in the vertical direction, and the spiral stirrups are welded outside the stress reinforcing steel bars, and the heat transfer pipe is bound to the spiral stirrups in the middle of the two stress reinforcing steel bars.
4. The new piped form of bored energy pile of claim 3, wherein: the reinforcement hoop is semicircular, and two ends of the reinforcement hoop are respectively welded on the reinforcement hoops at the top and the bottom of each section of the reinforcement cage.
5. The new piped form of bored energy pile of claim 4, wherein: the heat transfer pipe is internally filled with heat conduction liquid, the heat conduction liquid is a mixture of ethylene glycol and water, and the proportion of the ethylene glycol to the water is 20-40%: 60-80%.
6. A method of constructing a novel drilled and grouted energy pile of the type described in any of claims 1 to 5, characterised by the steps of:
1) opening and forming holes: when the pile position, the verticality and the early preparation work are confirmed to meet the standard, opening holes;
2) binding a heat transfer pipe: binding heat transfer tubes of the welded reinforcement cage in a reinforcement factory;
3) hoisting and welding a reinforcement cage: lowering each section of reinforcement cage bound with the heat transfer pipe into the hole in a subsection mode, and welding the upper reinforcement cage in sequence;
4) butt joint of heat transfer pipes: after the welding is finished, cooling the steel bars, and butting the tube head of the heat transfer tube with the tube head of the lower steel bar cage, wherein hot melting butt joint or joint butt joint can be adopted;
5) repeating the step 3) and the step 4) until the steel reinforcement cage is completely placed;
6) pouring concrete: the bored pile concrete is poured into the underwater concrete by adopting a guide pipe method, and the height of the poured pile top is not less than 0.5m higher than the designed elevation;
7) connecting a heat transfer pipe: and (3) introducing heat-conducting liquid into the heat-conducting pipe, and connecting the heat-conducting pipe, the water pump and the heat collector in series to form a closed loop.
7. The method of constructing a new type of drilled and grouted energy pile in the form of a pipe arrangement as claimed in claim 6, wherein: when the heat transfer pipes are bound in the step 2), the pipe spacing is 35-55 cm, the heat transfer pipes are bound by protective leather sleeves every 1-1.5 m, a binding belt is used for binding the middle of the heat transfer pipes, the heat transfer pipes at the reinforced stirrups are bound by protective sleeves, and the end parts of the heat transfer pipes bound by each section of reinforcement cage pass through welded reinforcement hoops; the heat transfer pipe of stake top portion reserves 3~4m, and the heat transfer pipe of welding department needs to reserve 2m ~3m is transferred to every section steel reinforcement cage.
8. The method of constructing a new type of drilled and grouted energy pile in the form of a pipe arrangement as claimed in claim 6, wherein: and 3) fixing the tube head of the heat transfer tube to a safe area, and welding the stressed steel bars in a double-sided lap joint mode.
9. The method of constructing a new type of drilled and grouted energy pile in the form of a pipe arrangement as claimed in claim 6, wherein: the pile head heat transfer pipe is required to be protected before concrete pouring, specifically, floating slurry of a pile head of a cast-in-place pile is chiseled off, the heat transfer pipe 2m below the pile top is protected by a steel pipe, and the steel pipe is fixed on a reinforcement cage.
10. The method of constructing a new type of drilled and grouted energy pile in the form of a pipe arrangement as claimed in claim 6, wherein: and 6), after the concrete is poured in the step 6), chiseling floating slurry of the pile head to ensure the quality of the pile head concrete.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183547.9A CN111042112A (en) | 2019-11-27 | 2019-11-27 | Novel pipe distribution type drilling and pouring energy pile and construction method thereof |
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| CN201911183547.9A CN111042112A (en) | 2019-11-27 | 2019-11-27 | Novel pipe distribution type drilling and pouring energy pile and construction method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636416A (en) * | 2020-05-27 | 2020-09-08 | 中铁大桥勘测设计院集团有限公司 | Hydration heat cooling system and method for oversized-diameter cast-in-place pile |
| CN115076759A (en) * | 2022-05-28 | 2022-09-20 | 中建七局第四建筑有限公司 | Non-heat-pump type photovoltaic photo-thermal energy complementation system and complementation method thereof |
| CN115324038A (en) * | 2021-12-17 | 2022-11-11 | 重庆大学 | Cast-in-place heat exchange pile-wall supporting structure and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383018A (en) * | 2013-07-18 | 2013-11-06 | 河海大学 | Construction method for embedding pipe in ground source heat pump pouring pile reinforcement cage |
| CN105544512A (en) * | 2015-12-21 | 2016-05-04 | 河海大学 | Reinforced sack grouting stone-breaking pile with heat transferring tube buried therein and construction method |
| CN106400804A (en) * | 2016-11-17 | 2017-02-15 | 宁波市政工程建设集团股份有限公司 | Obstructing pulling method pile digging construction device and method |
| CN206583138U (en) * | 2017-02-28 | 2017-10-24 | 中如建工集团有限公司 | Pipe-buried type ground source heat pump system in a kind of stake |
| CN108894214A (en) * | 2018-08-27 | 2018-11-27 | 孙德明 | A kind of solution cavity geological environment bored concrete pile and its bore forming method |
| CN109914396A (en) * | 2019-02-19 | 2019-06-21 | 建研地基基础工程有限责任公司 | A kind of borehole filling pile cage of reinforcement tectonic sieving and production construction method |
| CN211816202U (en) * | 2019-11-27 | 2020-10-30 | 河南理工大学 | Novel drilling and pouring energy pile in pipe arrangement form |
-
2019
- 2019-11-27 CN CN201911183547.9A patent/CN111042112A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383018A (en) * | 2013-07-18 | 2013-11-06 | 河海大学 | Construction method for embedding pipe in ground source heat pump pouring pile reinforcement cage |
| CN105544512A (en) * | 2015-12-21 | 2016-05-04 | 河海大学 | Reinforced sack grouting stone-breaking pile with heat transferring tube buried therein and construction method |
| CN106400804A (en) * | 2016-11-17 | 2017-02-15 | 宁波市政工程建设集团股份有限公司 | Obstructing pulling method pile digging construction device and method |
| CN206583138U (en) * | 2017-02-28 | 2017-10-24 | 中如建工集团有限公司 | Pipe-buried type ground source heat pump system in a kind of stake |
| CN108894214A (en) * | 2018-08-27 | 2018-11-27 | 孙德明 | A kind of solution cavity geological environment bored concrete pile and its bore forming method |
| CN109914396A (en) * | 2019-02-19 | 2019-06-21 | 建研地基基础工程有限责任公司 | A kind of borehole filling pile cage of reinforcement tectonic sieving and production construction method |
| CN211816202U (en) * | 2019-11-27 | 2020-10-30 | 河南理工大学 | Novel drilling and pouring energy pile in pipe arrangement form |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111636416A (en) * | 2020-05-27 | 2020-09-08 | 中铁大桥勘测设计院集团有限公司 | Hydration heat cooling system and method for oversized-diameter cast-in-place pile |
| CN115324038A (en) * | 2021-12-17 | 2022-11-11 | 重庆大学 | Cast-in-place heat exchange pile-wall supporting structure and construction method thereof |
| CN115076759A (en) * | 2022-05-28 | 2022-09-20 | 中建七局第四建筑有限公司 | Non-heat-pump type photovoltaic photo-thermal energy complementation system and complementation method thereof |
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