CN104514218A - Energy pile and system thereof - Google Patents
Energy pile and system thereof Download PDFInfo
- Publication number
- CN104514218A CN104514218A CN201310459205.1A CN201310459205A CN104514218A CN 104514218 A CN104514218 A CN 104514218A CN 201310459205 A CN201310459205 A CN 201310459205A CN 104514218 A CN104514218 A CN 104514218A
- Authority
- CN
- China
- Prior art keywords
- pile
- heat exchanger
- exchanger tube
- energy
- pile body
- 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.)
- Pending
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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
-
- 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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- 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
-
- 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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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to an energy pile. The energy pile comprises a pile body, and a heat exchange pipe arranged in the pile body; the pile body is arranged underground, wherein the pile body is a composite prepared from cement, coal ash and gravel; the heat exchange pipe forms a heat transfer channel in the pile body.
Description
Technical field
The present invention relates to a kind of pile foundation engineering field, particularly relate to a kind of energy pile and system thereof.
Background technology
Pile foundation refers to the deep foundation be made up of with the pile cap being connected stake top stake.Pile foundation has the features such as bearing capacity is high, settling amount is little, and is widely used in the engineering of various geological conditions, is particularly suited for adopting when building heavy construction thing on soft foundation.Pile foundation, according to materials classification, can be divided into piling bar, reinforced concrete pile, steel tube concrete pile, CFG (Cement Fly-ash Gravel pile, CFG composite pile) etc.
Energy pile is implanted into underground heat-exchanging pipe road system in pile foundation, utilizes it to obtain shallow layer ground-temperature energy from stratum, utilize the heat conductivility that concrete is good fully, form heat exchange elements with surrounding earth.Both at home and abroad the Research And Engineering of energy pile is applied, mainly for large diameter steel bar concrete pile.
But large diameter steel bar concrete pile cost is higher, speed of application is comparatively slow, and the stake footpath of CFG composite pile less (350-600mm).At CFG composite pile embedded set heat exchanger tube, eco-friendly earth-source hot-pump system is promoted the use of for the Northern Part of China comprising Beijing significant.
Summary of the invention
In view of this, necessaryly a kind of energy pile based on CFG composite pile and system thereof is provided.
A kind of energy pile, it comprises the heat exchanger tube that a pile body and is arranged at the inside of described pile body, described pile body is arranged at underground, and described pile body is the complex be made up of cement, flyash and rubble, and described heat exchanger tube forms a thermal conducting path in described pile body inside.
A kind of energy pile system, it comprises an energy pile, an earth's surface heat pipe and an earth source heat pump machine, by earth's surface heat pipe, described earth source heat pump machine is connected with described energy pile, described energy pile comprises the heat exchanger tube that a pile body and is arranged at the inside of described pile body, described pile body is the complex be made up of cement, flyash and rubble, and described heat exchanger tube is connected with described earth's surface heat pipe and forms a heat conduction loop between described pile body inside and earth source heat pump machine.
Compared with prior art, the present invention by arranging heat exchanger tube in CFG composite pile, realize underground energy and earth's surface to build to carry out interchange of heat, extra engineering cost is few, do not need to take up an area the extra underground space, can save off-premises station or cooling tower, and heat-transfer effect is good, more energy-conservation than traditional air-conditioning system 30% ~ 50%.Meanwhile, because the heat exchanger tube 102 of described energy pile 10 by underground is combined closely with CFG composite pile, ensure that the stability of energy pile system, durability, the pipe laying earth-source hot-pump system cost is more usually low.
Accompanying drawing explanation
Fig. 1 is the structural representation of energy pile of the present invention.
Fig. 2 to Fig. 5 is the structural representation of heat exchanger tube of the present invention.
Fig. 6 is the structural representation of support of the present invention.
Fig. 7 is the structural representation of energy pile of the present invention and earth-source hot-pump system.
Fig. 8 is the leaving water temperature resolution chart of energy pile of the present invention when the inflow temperature of 5 DEG C.
Fig. 9 is the leaving water temperature resolution chart of energy pile of the present invention when the inflow temperature of 35 DEG C.
Critical element symbol description
| Energy pile | 10 |
| Pile body | 101 |
| Heat exchanger tube | 102 |
| Main body tube | 103 |
| Connector | 104 |
| Support | 105 |
| Bonding jumper | 106 |
| Stirrup | 107 |
| Guard shield | 108 |
| Earth's surface heat pipe | 20 |
| Earth source heat pump machine | 30 |
Following specific embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Below with reference to accompanying drawing, the energy pile that the embodiment of the present invention provides is further described.
Referring to Fig. 1, is the energy pile 10 that the embodiment of the present invention provides, and this energy pile 10 comprises pile body 101 and a heat exchanger tube 102.Described heat exchanger tube 102 is arranged at the inside of described pile body 101.
Described pile body 101 is arranged at underground.Described pile body 101 is the complex be made up of cement, flyash and rubble.The shape of described pile body 101 is arranged according to specific needs, can be square column, cylinder or other geometrical bodies.In the present embodiment, described pile body 101 is cylinder.
Refer to Fig. 1 to Fig. 5, described heat exchanger tube 102 can be single U-shaped, double-H groove weld tandem type, double-H groove weld parallel connection type, three U-shaped and two W types, and described heat exchanger tube 102 forms a thermal conducting path in described pile body 101 inside.Concrete, described heat exchanger tube 102 comprises multiple main body tube 103 and multiple connector 104.Two main body tubes 103 adjacent in described multiple main body tube 103 are connected by described connector 104 and be the shape of " U " shape, thus make the overall formation of described multiple main body tube 103 one thermal conducting path.In the present embodiment, described heat exchanger tube 102 is double-H groove weld tandem type.
The material of described heat exchanger tube 102 is polyethylene, high density polyethylene (HDPE) etc.The diameter range of described main body tube 103 is 19mm ~ 38mm.Described connector 104 is U-shaped tube connector.The diameter of described connector 104 and the diameter of described main body tube 103 match, and to ensure that described connector 104 is connected closely with described main body tube 103, and make described main body tube 103 form thermal conducting path.In the present embodiment, the material of described heat exchanger tube 102 is high density polyethylene (HDPE), and wherein, the diameter of described main body tube 103 is 25mm, and described main body tube 103 is connected by the method for hot melt with described connector 104.Be appreciated that the material of described heat exchanger tube 102 is not limited to above act, also can be other heat proof materials used in building field.
Described heat exchanger tube 102 is buried underground into described pile body 101 inner, and described pile body 101 in depth under one end and described heat exchanger tube 102 interval arrange, namely ensure that described heat exchanger tube 102 does not contact with the bottom of described pile body 101, thus effectively avoid the described damage of heat exchanger tube 102 and the reduction of heat exchange efficiency.Be appreciated that described heat exchanger tube 102 may extend to the outside of pile body 101, and realize carrying out interchange of heat with outside.
Described energy pile 10 can comprise a support 105 arranged around described heat exchanger tube 102 further.Described heat exchanger tube 102 is supported by described support 105, and is arranged at the inside of described pile body 101 together with described support 105.Refer to Fig. 6, described support 105 comprises multiple bonding jumper 106 and multiple stirrup 107 braiding formation one space truss structure mutually.Described multiple bonding jumper 106 interval that is parallel to each other arranges and surrounds a column.Described multiple bonding jumper 106 closely bundlees and forms overall support 105 by described multiple stirrup 107.In the present embodiment, described support 105 comprises multiple reinforcement bar and stirrup, and described heat exchanger tube 102 bundlees by a band with described support 105 and arranges.By described support 105, described heat exchanger tube 102 is fixed, to play the effect protecting described heat exchanger tube 102.In addition, described support 105 can further improve the mechanical strength of described energy pile 10.
Further, described energy pile 10 can comprise at least one guard shield 108.Described guard shield 108 is arranged at the bottom of described support 105.The bottom of described support 105 refers to that the most deep of described pile body 101 imbedded by described support 105.Concrete, described guard shield 108 is arranged at the below of the connector 104 of described heat exchanger tube 102, to play the effect protecting described connector 104, avoids the situation that may occur when described heat exchanger tube 102 is inserted described pile body 101 damaging.Described guard shield 108 can be angle steel etc.In the present embodiment, described guard shield 108 is angle steel.Be appreciated that the material of described guard shield 108 also can be conventional protective material in other buildings.
The Specific construction step of described energy pile 10 is as follows: first described heat exchanger tube 102 is fixed on described support 105, and the connector 104 of heat exchanger tube 102 is protected with angle steel; Then the heat exchanger tube 102 tied up is positioned over rapidly in described pile body 101.Wherein, described connector 104 can be fixed on described angle steel, better to protect described connector 104.
Be appreciated that described heat exchanger tube 102 can the protection of the fixing and angle steel of described support 105, and can be directly embedded in described pile body 101, form integrative-structure with described pile body 101.
Refer to Fig. 7, the present invention also provides a kind of energy pile system, and it comprises energy pile 10, earth's surface heat pipe 20 and an earth source heat pump machine 30.Described energy pile 10 is connected by described earth's surface heat pipe 20 with earth source heat pump machine 30.Described earth's surface heat pipe 20 is connected with described heat exchanger tube 102, and forms a heat conduction loop, jointly to realize carrying out exchange heat to building between described pile body 101 inside and earth source heat pump machine 30.The material of described earth's surface heat pipe 20 and shape identical with described heat exchanger tube 102.Described heat exchanger tube 102 and earth's surface heat pipe 20 are filled with an exchange liquid (not shown).Described exchange liquid comprises water, salt solution and anti-icing fluid.In the present embodiment, described exchange liquid is water.When being in winter, by the exchange liquid of described heat exchanger tube 102 the heat extraction in superficial part soil layer out, described exchange liquid acts on via earth source heat pump machine 30 and circulates, and heat is supplied building by final realization.When being in summer, by the heat extraction of building out, rejected heat in superficial part soil layer by the circulating of exchange liquid in heat exchanger tube 102 and go.
The heat transfer effect of energy pile system can adopt every linear meter(lin.m.) thermal power to evaluate.Design formulas q=(C × m × Δ the T of every linear meter(lin.m.) thermal power q)/H, wherein, q is every linear meter(lin.m.) thermal power, and unit is W/m; C is the specific heat capacity exchanging liquid, and unit is J/(kg DEG C); M is the mass flow exchanging liquid, and unit is kg/s; Δ T exchanges the inflow temperature of liquid to deduct the difference that leaving water temperature obtains, and unit is DEG C; H is the degree of depth of heat exchanger tube 102 in pile body 101, and unit is m.
In the present embodiment, refer to Fig. 8, provide a temperature to be the exchange liquid of 5 DEG C to described energy pile 10, to simulate winter environment, through after a period of time, the temperature of this exchange liquid can be held in more than 7 DEG C.In the present embodiment, the mass flow of water is 0.167 kg/s, and the degree of depth of heat exchanger tube in pile body is 18 meters, and now, the every linear meter(lin.m.) thermal power calculated is greater than 60 watts every meter substantially.Refer to Fig. 9, provide a temperature to be the exchange liquid of 35 DEG C to described energy pile 10, to simulate summer environment, through after a period of time, the temperature of this exchange liquid can be held in about 30 DEG C.In the present embodiment, the mass flow of water is 0.167 kg/s, and the degree of depth of heat exchanger tube in pile body is 18 meters, and now, the every linear meter(lin.m.) thermal power calculated is greater than 120 watts every meter.
The present invention by arranging heat exchanger tube in CFG composite pile, and realize underground energy and earth's surface to build to carry out interchange of heat, extra engineering cost is few, do not need to take up an area the extra underground space, can save off-premises station or cooling tower, and heat-transfer effect is good, more energy-conservation than traditional air-conditioning system 30% ~ 50%.Meanwhile, because the heat exchanger tube 102 of described energy pile 10 by underground is combined closely with CFG composite pile, ensure that the stability of energy pile system, durability, the pipe laying earth-source hot-pump system cost is more usually low.
In addition, those skilled in the art also can do other change in spirit of the present invention, and these changes done according to the present invention's spirit, all should be included in the present invention's scope required for protection certainly.
Claims (9)
1. an energy pile, it comprises the heat exchanger tube that a pile body and is arranged at the inside of described pile body, described pile body is arranged at underground, and described pile body is the complex be made up of cement, flyash and rubble, and described heat exchanger tube forms a thermal conducting path in described pile body inside.
2. energy pile as claimed in claim 1, is characterized in that, described heat exchanger tube be singly U-shaped, double-H groove weld tandem type, double-H groove weld parallel connection type, three U-shaped or two W types.
3. energy pile as claimed in claim 1, it is characterized in that, described heat exchanger tube comprises multiple main body tube and multiple connector, and described multiple main body tube and described multiple connector are interconnected to form at least one thermal conducting path.
4. energy pile as claimed in claim 3, it is characterized in that, described connector is U-shaped tube connector.
5. energy pile as claimed in claim 1, it is characterized in that, comprise a support further, described heat exchanger tube by described stent support, and is arranged at the inside of described pile body together with described support.
6. energy pile as claimed in claim 5, it is characterized in that, described support comprises multiple bonding jumper and multiple stirrup weaves formation one space truss structure mutually.
7. energy pile as claimed in claim 5, it is characterized in that, comprise at least one guard shield further, described guard shield is arranged at the bottom of described support, and described guard shield is angle steel.
8. energy pile as claimed in claim 1, is characterized in that, it is outside that described heat exchanger tube extends described pile body.
9. an energy pile system, it comprises an energy pile, an earth's surface heat pipe and an earth source heat pump machine, by earth's surface heat pipe, described earth source heat pump machine is connected with described energy pile, described energy pile comprises the heat exchanger tube that a pile body and is arranged at the inside of described pile body, described pile body is the complex be made up of cement, flyash and rubble, and described heat exchanger tube is connected with described earth's surface heat pipe and forms a heat conduction loop between described pile body inside and earth source heat pump machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310459205.1A CN104514218A (en) | 2013-09-30 | 2013-09-30 | Energy pile and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310459205.1A CN104514218A (en) | 2013-09-30 | 2013-09-30 | Energy pile and system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104514218A true CN104514218A (en) | 2015-04-15 |
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| CN201310459205.1A Pending CN104514218A (en) | 2013-09-30 | 2013-09-30 | Energy pile and system thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951745A (en) * | 2016-06-30 | 2016-09-21 | 青岛理工大学 | Prefabricated geothermic energy pipe pile |
| CN106759549A (en) * | 2017-01-09 | 2017-05-31 | 北京科技大学 | A kind of indoor analog simulation energy pile and its experimental monitoring system |
| CN107289671A (en) * | 2017-06-05 | 2017-10-24 | 山西文龙中美环能科技股份有限公司 | A kind of coal gangue storage yard water source heat pump system |
| CN106016837B (en) * | 2016-07-12 | 2018-06-15 | 三峡大学 | A kind of energy acquisition and energy storage equipment based on pile-raft foundation |
| CN108709328A (en) * | 2018-05-30 | 2018-10-26 | 浙江大学宁波理工学院 | Quiet brill takes root in the stake of engineering method geothermal energy resources and its heat-transfer pipe method for embedding |
| CN108981819A (en) * | 2018-08-03 | 2018-12-11 | 深圳大学 | A kind of system and method for testing energy pile temperature and stress distributions |
| CN109868703A (en) * | 2019-03-14 | 2019-06-11 | 华中科技大学 | A kind of highway bridge snow-ice melting system equipment based on deep layer pipe laying energy pile |
| CN111074906A (en) * | 2020-01-14 | 2020-04-28 | 安徽理工大学 | Heating system combining foundation pit supporting structure and building structure and construction method thereof |
| CN111076452A (en) * | 2019-12-06 | 2020-04-28 | 东南大学 | Hollow row pile ground source heat exchange system based on underground prefabricated comprehensive pipe gallery |
| CN111854227A (en) * | 2020-07-03 | 2020-10-30 | 郑州大学 | High-heat-conductivity energy pile and manufacturing method thereof |
| CN115094875A (en) * | 2022-07-05 | 2022-09-23 | 郑州大学 | High-heat-conductivity water-permeable energy pile and manufacturing method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002054850A (en) * | 2000-08-08 | 2002-02-20 | Nippon Steel Corp | Underground heat exchange system |
| JP2006010133A (en) * | 2004-06-23 | 2006-01-12 | Taisei Corp | Installation mechanism of heat exchange pipe in heat exchange system using foundation pile as structure |
| CN1868959A (en) * | 2006-04-17 | 2006-11-29 | 山东建筑大学 | Underground pipe heat exchanger drilling hole refilling material |
| CN200946268Y (en) * | 2006-01-19 | 2007-09-12 | 张延军 | Predrilled perfusion pile for spiral coil tube shallow geothermal heat conversion |
| CN101480814A (en) * | 2009-02-17 | 2009-07-15 | 同济大学 | Method for preparing cement-based grout and mortar for backfilling earth source heat pump underground penstock |
| CN102180626A (en) * | 2011-01-27 | 2011-09-14 | 上海三瑞化学有限公司 | Cement-based grouting material for ground source heat pump |
| JP2013124441A (en) * | 2011-12-13 | 2013-06-24 | Japan Pile Corp | Precast concrete pile for underground heat use and underground heat using system |
-
2013
- 2013-09-30 CN CN201310459205.1A patent/CN104514218A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002054850A (en) * | 2000-08-08 | 2002-02-20 | Nippon Steel Corp | Underground heat exchange system |
| JP2006010133A (en) * | 2004-06-23 | 2006-01-12 | Taisei Corp | Installation mechanism of heat exchange pipe in heat exchange system using foundation pile as structure |
| CN200946268Y (en) * | 2006-01-19 | 2007-09-12 | 张延军 | Predrilled perfusion pile for spiral coil tube shallow geothermal heat conversion |
| CN1868959A (en) * | 2006-04-17 | 2006-11-29 | 山东建筑大学 | Underground pipe heat exchanger drilling hole refilling material |
| CN101480814A (en) * | 2009-02-17 | 2009-07-15 | 同济大学 | Method for preparing cement-based grout and mortar for backfilling earth source heat pump underground penstock |
| CN102180626A (en) * | 2011-01-27 | 2011-09-14 | 上海三瑞化学有限公司 | Cement-based grouting material for ground source heat pump |
| JP2013124441A (en) * | 2011-12-13 | 2013-06-24 | Japan Pile Corp | Precast concrete pile for underground heat use and underground heat using system |
Non-Patent Citations (1)
| Title |
|---|
| 孙猛等: ""地下连续墙内埋管换热器传热性能的试验研究"", 《中国矿业大学学报》 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951745A (en) * | 2016-06-30 | 2016-09-21 | 青岛理工大学 | Prefabricated geothermic energy pipe pile |
| CN105951745B (en) * | 2016-06-30 | 2017-10-20 | 青岛理工大学 | A kind of prefabricated geothermal energy pile tube |
| CN106016837B (en) * | 2016-07-12 | 2018-06-15 | 三峡大学 | A kind of energy acquisition and energy storage equipment based on pile-raft foundation |
| CN106759549A (en) * | 2017-01-09 | 2017-05-31 | 北京科技大学 | A kind of indoor analog simulation energy pile and its experimental monitoring system |
| CN107289671A (en) * | 2017-06-05 | 2017-10-24 | 山西文龙中美环能科技股份有限公司 | A kind of coal gangue storage yard water source heat pump system |
| CN108709328B (en) * | 2018-05-30 | 2019-12-13 | 浙江大学宁波理工学院 | Geothermal energy pile in static drilling root planting method and heat transfer pipe embedding method thereof |
| CN108709328A (en) * | 2018-05-30 | 2018-10-26 | 浙江大学宁波理工学院 | Quiet brill takes root in the stake of engineering method geothermal energy resources and its heat-transfer pipe method for embedding |
| CN108981819A (en) * | 2018-08-03 | 2018-12-11 | 深圳大学 | A kind of system and method for testing energy pile temperature and stress distributions |
| CN109868703A (en) * | 2019-03-14 | 2019-06-11 | 华中科技大学 | A kind of highway bridge snow-ice melting system equipment based on deep layer pipe laying energy pile |
| CN111076452A (en) * | 2019-12-06 | 2020-04-28 | 东南大学 | Hollow row pile ground source heat exchange system based on underground prefabricated comprehensive pipe gallery |
| CN111074906A (en) * | 2020-01-14 | 2020-04-28 | 安徽理工大学 | Heating system combining foundation pit supporting structure and building structure and construction method thereof |
| CN111074906B (en) * | 2020-01-14 | 2021-09-10 | 安徽理工大学 | Heating system combining foundation pit supporting structure and building structure and construction method thereof |
| CN111854227A (en) * | 2020-07-03 | 2020-10-30 | 郑州大学 | High-heat-conductivity energy pile and manufacturing method thereof |
| CN111854227B (en) * | 2020-07-03 | 2022-02-22 | 郑州大学 | High-heat-conductivity energy pile and manufacturing method thereof |
| CN115094875A (en) * | 2022-07-05 | 2022-09-23 | 郑州大学 | High-heat-conductivity water-permeable energy pile and manufacturing method thereof |
| CN115094875B (en) * | 2022-07-05 | 2023-08-04 | 郑州大学 | High-heat-conductivity water-permeable energy pile and manufacturing method thereof |
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