CN107328140A - A kind of seepage flow stop water and heat exchange structure - Google Patents
A kind of seepage flow stop water and heat exchange structure Download PDFInfo
- Publication number
- CN107328140A CN107328140A CN201710717116.0A CN201710717116A CN107328140A CN 107328140 A CN107328140 A CN 107328140A CN 201710717116 A CN201710717116 A CN 201710717116A CN 107328140 A CN107328140 A CN 107328140A
- Authority
- CN
- China
- Prior art keywords
- building enclosure
- seepage flow
- flow stop
- stop water
- dewatering well
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- 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)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention provides a kind of seepage flow stop water and heat exchange structure, belong to geothermal system field, seepage flow stop water is used to be installed on a kind of landform, building enclosure including dewatering well and in a ring, landform includes water table aquifer, aquiclude, artesian aquifer and the water barrier from top to bottom set, and dewatering well is connected through water table aquifer and aquiclude with artesian aquifer, and building enclosure is installed in dewatering well, and building enclosure is arranged at intervals with dewatering well, the bottom for going along with sb. to guard him layer is installed on aquiclude；Heat exchange structure, including energy stake and seepage flow stop water as above, energy stake are installed in building enclosure.The seepage flow stop water that the present invention is provided utilizes building enclosure and dewatering well, is more than 4 × 10 to percolation flow velocity‑7M/s soil is transformed, and building enclosure and dewatering well are arranged at intervals, the percolation flow velocity of the soil in dewatering well can be greatly reduced, so as to allow soil to store enough energy supply energy stakes.
Description
Technical field
The present invention relates to geothermal system field, in particular to a kind of seepage flow stop water and heat exchange structure.
Background technology
Earth-source hot-pump system is by the use of the underground soil body as low-grade Cooling and Heat Source, because underground soil temperature is more constant, and
Temperature range is especially suitable for source pump Effec-tive Function, therefore can effectively reduce unit operation energy consumption, is building energy conservation emission reduction cause
Positive contribution is made, still, when the percolation flow velocity of soil is more than 4 × 10-7During m/s can not normal heat accumulation, especially work as seepage flow
Speed is more than 1 × 10-6During m/s, heat accumulation is unable to completely.
Inventor has found that existing heat exchange structure at least has the following disadvantages under study for action：Existing heat exchange structure is in soil
The percolation flow velocity of earth is more than 4 × 10-7Cisco unity malfunction during m/s.
The content of the invention
It is an object of the invention to provide a kind of seepage flow stop water, to improve seepage flow of the existing heat exchange structure in soil
Speed is more than 4 × 10-7During m/s the problem of cisco unity malfunction.
The present invention also aims to provide a kind of heat exchange structure, to improve seepage flow speed of the existing heat exchange structure in soil
Degree is more than 4 × 10-7During m/s the problem of cisco unity malfunction.
What the present invention was realized in：
Based on the first above-mentioned purpose, the invention provides a kind of seepage flow stop water, for being installed on a kind of landform, bag
Dewatering well and building enclosure in a ring are included, the landform includes water table aquifer, aquiclude, the artesian aquifer from top to bottom set
And water barrier, the dewatering well is connected through the water table aquifer and the aquiclude with the artesian aquifer, described to go along with sb. to guard him knot
Structure is installed in the dewatering well, and the building enclosure is arranged at intervals with the dewatering well, and the bottom for going along with sb. to guard him layer is installed
In the aquiclude.
The seepage flow stop water that the present invention is provided utilizes building enclosure and dewatering well, is more than 4 × 10 to percolation flow velocity-7m/s
Soil transformed, building enclosure and dewatering well are arranged at intervals, the seepage flow of the soil in dewatering well can be greatly reduced
Speed, so as to allow soil to store enough energy supply energy stakes.
Further, set fluted on the aquiclude, the bottom of the building enclosure is installed in the groove.
The setting of groove can facilitate building enclosure to be installed.
Further, the building enclosure includes a through hole, and the cross-sectional area at the top of the through hole is more than described lead to
The cross-sectional area of the bottom in hole.
Through hole and aquiclude one cavity of formation of building enclosure, energy device may be mounted in this cavity, empty
Chamber can greatly improve heat transfer efficiency in up big and down small structure, so as to improve the operating efficiency of energy stake.
Further, the building enclosure is provided with inclined-plane, and the inclined-plane is by the top of the building enclosure described in
The direction of the bottom of building enclosure slopes inwardly.
The setting on inclined-plane makes the change of cavity structure more smooth, and after energy stake installation, energy stake can be more
Good is combined with building enclosure, so as to ensure that the work of energy stake is unaffected.
Further, the bottom of the building enclosure is provided with fixture block, and circumference of the fixture block along the building enclosure is in
Annular, the fixture block is connected in the groove.
The cooperation of fixture block and neck can help building enclosure to be positioned and fixed, and allow building enclosure after installation is complete
Can more it stablize.
Further, the madial wall of the fixture block is vertical with the end face of the building enclosure, and the madial wall with it is described
Inclined-plane is connected.
Further, the building enclosure also includes installation sheet, the installation sheet be located at the inclined-plane and the fixture block it
Between, circumference of the installation sheet along the building enclosure is in a ring.
When digging groove on aquiclude, it can exempt to make some defects of the structure of groove, the setting of installation sheet can be by
These defects are sheltered from, it is to avoid because the hollow or other structures near groove are impacted to the work of energy stake.
Further, the top surface of the aquiclude in the building enclosure, which is less than, is located at outside the building enclosure
The aquiclude top surface.
It can so allow the heat of the interior storage of soil more to be concentrated, facilitate energy stake utilization.
Further, the building enclosure is made of waterproof anti-corrosion material.
By building enclosure that waterproof anti-corrosion material is made, when reducing soil infiltration speed, effect is best.
Based on the second above-mentioned purpose, present invention also offers a kind of heat exchange structure, including energy stake and as described above
Seepage flow stop water, the energy stake is installed in the building enclosure.
The heat exchange structure that the present invention is provided utilizes building enclosure and dewatering well, is more than 4 × 10 to percolation flow velocity-7M/s soil
Earth is transformed, and building enclosure and dewatering well are arranged at intervals, the percolation flow velocity of the soil in dewatering well can be greatly reduced,
So as to allow soil to store enough energy supply energy stakes.
Compared with prior art, the beneficial effect realized of the present invention is：
The seepage flow stop water that the present invention is provided utilizes building enclosure and dewatering well, is more than 4 × 10 to percolation flow velocity-7m/s
Soil transformed, building enclosure and dewatering well are arranged at intervals, the seepage flow of the soil in dewatering well can be greatly reduced
Speed, so as to allow soil to store enough energy supply energy stakes.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
Practical accompanying drawing is briefly described required in embodiment or description of the prior art, it should be apparent that, it is described below attached
Figure is some embodiments of the present invention, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the schematic diagram for the seepage flow stop water that the embodiment of the present invention 1 is provided；
Fig. 2 shows the schematic diagram for the landform that the embodiment of the present invention 1 is provided；
Fig. 3 shows the schematic diagram for the seepage flow stop water that the embodiment of the present invention 2 is provided；
Fig. 4 shows the schematic diagram for the building enclosure that the embodiment of the present invention 2 is provided；
Fig. 5 shows the sectional view for the building enclosure that the embodiment of the present invention 2 is provided；
Fig. 6 shows the schematic diagram for the seepage flow stop water that the embodiment of the present invention 3 is provided；
Fig. 7 shows the sectional view for the building enclosure that the embodiment of the present invention 3 is provided；
Fig. 8 shows the schematic diagram for the first heat exchange structure that the embodiment of the present invention 4 is provided；
Fig. 9 shows the schematic diagram for second of heat exchange structure that the embodiment of the present invention 4 is provided；
Figure 10 shows the schematic diagram for the third heat exchange structure that the embodiment of the present invention 4 is provided.
In figure：101- water table aquifers；102- aquicludes；103- artesian aquifers；104- water barriers；105- dewatering wells；106-
Building enclosure；107- grooves；108- inclined-planes；109- fixture blocks；110- madial walls；111- installation sheets；The stake of 112- energy.
Embodiment
Earth-source hot-pump system is by the use of the underground soil body as low-grade Cooling and Heat Source, because underground soil temperature is more constant, and
Temperature range is especially suitable for source pump Effec-tive Function, therefore can effectively reduce unit operation energy consumption, is building energy conservation emission reduction cause
Positive contribution is made, still, when the percolation flow velocity of soil is more than 4 × 10-7During m/s can not normal heat accumulation, especially work as seepage flow
Speed is more than 1 × 10-6During m/s, heat accumulation is unable to completely.Inventor has found that existing heat exchange structure is at least deposited under study for action
In following shortcoming：Existing heat exchange structure is more than 4 × 10 in the percolation flow velocity of soil-7Cisco unity malfunction during m/s.
In order that above mentioned problem is improved, the invention provides a kind of seepage flow stop water, for being installed on a kind of ground
Shape, including dewatering well and building enclosure in a ring, water table aquifer that the landform includes from top to bottom setting, aquiclude, hold
Water layer and water barrier are pressed, the dewatering well is connected through the water table aquifer and the aquiclude with the artesian aquifer, described
Building enclosure is installed in the dewatering well, and the building enclosure is arranged at intervals with the dewatering well, the bottom for going along with sb. to guard him layer
Portion is installed on the aquiclude.
The seepage flow stop water that the present invention is provided utilizes building enclosure and dewatering well, is more than 4 × 10 to percolation flow velocity-7m/s
Soil transformed, building enclosure and dewatering well are arranged at intervals, the seepage flow of the soil in dewatering well can be greatly reduced
Speed, so as to allow soil to store enough energy supply energy stakes.
Present invention also offers a kind of heat exchange structure, including energy stake and seepage flow stop water as described above, the energy
Amount stake is installed in the building enclosure.
The heat exchange structure that the present invention is provided utilizes building enclosure and dewatering well, is more than 4 × 10 to percolation flow velocity-7M/s soil
Earth is transformed, and building enclosure and dewatering well are arranged at intervals, the percolation flow velocity of the soil in dewatering well can be greatly reduced,
So as to allow soil to store enough energy supply energy stakes.
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, above in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention of the above to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the invention, it is to be understood that the term of indicating position or position relationship is based on shown in accompanying drawing
Orientation or position relationship, be for only for ease of the description present invention and simplify description, rather than indicate or imply signified equipment
Or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or integrally；Can be mechanical connection or electrical connection；
Can be joined directly together, can also be indirectly connected to by intermediary, can be two element internals connection or two elements
Interaction relationship.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with or below second feature
Directly contacted including the first and second features, can also include the first and second features not be direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above to include fisrt feature special second
Directly over levying and oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level height
Less than second feature.
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
Embodiment 1
Referring to Figures 1 and 2, a kind of seepage flow stop water is present embodiments provided, for being installed on a kind of landform, including drop
Well 105 and building enclosure 106 in a ring, landform include the water table aquifer 101, aquiclude 102, pressure-bearing from top to bottom set
Water layer 103 and water barrier 104, dewatering well 105 are connected through water table aquifer 101 and aquiclude 102 with artesian aquifer 103, are gone along with sb. to guard him
Structure 106 is installed in dewatering well 105, and building enclosure 106 is arranged at intervals with dewatering well 105, and the bottom for going along with sb. to guard him layer is installed on
Aquiclude 102.
The seepage flow stop water that the present embodiment is provided utilizes building enclosure 106 and dewatering well 105, is more than 4 to percolation flow velocity
×10-7M/s soil is transformed, and building enclosure 106 and dewatering well 105 are arranged at intervals, dewatering well can be greatly reduced
The percolation flow velocity of soil in 105, so as to allow soil to store enough energy supply energy stakes 112.
Fluted 107 are set on aquiclude 102, the bottom of building enclosure 106 is installed in groove 107.Groove 107
Setting can facilitate building enclosure 106 to be installed.
Building enclosure 106 includes a through hole, through hole and aquiclude 102 one cavity of formation of building enclosure 106, energy
Amount device may be mounted in this cavity.
The bottom of building enclosure 106 is provided with fixture block 109, circumference of the fixture block 109 along building enclosure 106 in a ring, fixture block
109 are connected in groove 107.The cooperation of fixture block 109 and neck can help building enclosure 106 to be positioned and fixed, and allow and go along with sb. to guard him
Structure 106 can more be stablized after installation is complete.
The top surface of aquiclude 102 in building enclosure 106 is less than the aquiclude being located at outside building enclosure 106
102 top surface.It can so allow the heat of the interior storage of soil more to be concentrated, facilitate energy stake 112 to utilize.
Building enclosure 106 is made of waterproof anti-corrosion material.The building enclosure 106 being made up of waterproof anti-corrosion material exists
Effect is best when reducing soil infiltration speed.
Embodiment 2
Reference picture 3 is to Fig. 5, and the present embodiment also provides a kind of seepage flow stop water, and the present embodiment is the skill in embodiment 1
Further improvement on the basis of art scheme, the technical scheme that embodiment 1 is described is equally applicable to the present embodiment, and embodiment 1 is
Description is not repeated in disclosed technical scheme.
Specifically, the present embodiment and the difference of embodiment 1 are, the through hole for the seepage flow stop water that the present embodiment is provided
The cross-sectional area at top is more than the cross-sectional area of the bottom of through hole.
Cavity can greatly improve heat transfer efficiency in up big and down small structure, so as to improve the work effect of energy stake 112
Rate.
Building enclosure 106 is provided with inclined-plane 108, and inclined-plane 108 is by the top of building enclosure 106 towards building enclosure 106
The direction of bottom slopes inwardly.The setting on inclined-plane 108 makes the change of cavity structure more smooth, is installed in energy stake 112
Cheng Hou, energy stake 112 can be combined preferably with building enclosure 106, so as to ensure that the work of energy stake 112 is unaffected.
Wherein it is possible to make the madial wall 110 of fixture block 109 vertical with the end face of building enclosure 106, and madial wall 110 with tiltedly
Face 108 is connected.
Embodiment 3
Reference picture 6 and Fig. 7, the present embodiment also provide a kind of seepage flow stop water, and the present embodiment is the skill in embodiment 1
Further improvement on the basis of art scheme, the technical scheme that embodiment 1 is described is equally applicable to the present embodiment, and embodiment 1 is
Description is not repeated in disclosed technical scheme.
Specifically, the present embodiment and the difference of embodiment 1 are, the building enclosure 106 that the present embodiment is provided also includes peace
Load 111, installation sheet 111 is located between inclined-plane 108 and fixture block 109, and circumference of the installation sheet 111 along building enclosure 106 is in a ring.
It when digging groove 107 on aquiclude 102, can exempt from that some defects of the structure of groove 107, installation sheet 111 can be made
Setting these defects can be sheltered from, it is to avoid because hollow or other structures near groove 107 is to energy stake 112
Work is impacted.
Embodiment 4
Refering to Fig. 8 to Figure 10, a kind of heat exchange structure is present embodiments provided, including energy stake 112 and seepage flow as above hinder
Water-bound, energy stake 112 is installed in building enclosure 106.
The heat exchange structure that the present embodiment is provided utilizes building enclosure 106 and dewatering well 105, is more than 4 × 10 to percolation flow velocity- 7M/s soil is transformed, and building enclosure 106 and dewatering well 105 are arranged at intervals, and can greatly be reduced in dewatering well 105
Soil percolation flow velocity, so as to allow soil to store enough energy supply energy stakes 112.
Wherein, the energy stake 112 in the heat exchange structure that the present embodiment is provided is set to more than one, in existing building
In, it will usually by seepage flow stop water set it is larger, it might even be possible to a building is entirely surrounded, therefore, oozed
One or many energy stakes 112 can be set simultaneously in flow resistance water-bound.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of seepage flow stop water, for being installed on a kind of landform, it is characterised in that going along with sb. to guard him including dewatering well and in a ring
Structure, the landform includes water table aquifer, aquiclude, artesian aquifer and the water barrier from top to bottom set, and the dewatering well is worn
Cross the water table aquifer and the aquiclude connected with the artesian aquifer, the building enclosure is installed in the dewatering well,
And the building enclosure is arranged at intervals with the dewatering well, the bottom for going along with sb. to guard him layer is installed on the aquiclude.
2. seepage flow stop water according to claim 1, it is characterised in that set fluted on the aquiclude, institute
The bottom for stating building enclosure is installed in the groove.
3. seepage flow stop water according to claim 2, it is characterised in that the building enclosure includes a through hole, institute
State the cross-sectional area of the cross-sectional area more than the bottom of the through hole at the top of through hole.
4. seepage flow stop water according to claim 3, it is characterised in that the building enclosure is provided with inclined-plane, described
Inclined-plane is sloped inwardly by the direction of the top of the building enclosure towards the bottom of the building enclosure.
5. seepage flow stop water according to claim 4, it is characterised in that the bottom of the building enclosure is provided with card
Block, in a ring, the fixture block is connected in the groove to circumference of the fixture block along the building enclosure.
6. seepage flow stop water according to claim 5, it is characterised in that the madial wall of the fixture block goes along with sb. to guard him knot with described
The end face of structure is vertical, and the madial wall is connected with the inclined-plane.
7. seepage flow stop water according to claim 5, it is characterised in that the building enclosure also includes installation sheet, institute
State installation sheet to be located between the inclined-plane and the fixture block, circumference of the installation sheet along the building enclosure is in a ring.
8. seepage flow stop water according to claim 1, it is characterised in that described weak in the building enclosure
The top surface of water layer is less than the top surface for the aquiclude being located at outside the building enclosure.
9. seepage flow stop water according to claim 1, it is characterised in that the building enclosure uses waterproof anti-corrosion material
Material is made.
10. a kind of heat exchange structure, it is characterised in that blocked water including energy stake and the seepage flow as described in any one of claim 1 to 9
Structure, the energy stake is installed in the building enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717116.0A CN107328140B (en) | 2017-08-18 | 2017-08-18 | Seepage water-blocking structure and heat exchange structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717116.0A CN107328140B (en) | 2017-08-18 | 2017-08-18 | Seepage water-blocking structure and heat exchange structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107328140A true CN107328140A (en) | 2017-11-07 |
| CN107328140B CN107328140B (en) | 2020-04-28 |
Family
ID=60228108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710717116.0A Expired - Fee Related CN107328140B (en) | 2017-08-18 | 2017-08-18 | Seepage water-blocking structure and heat exchange structure |
Country Status (1)
| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09174034A (en) * | 1995-12-27 | 1997-07-08 | Hitachi Plant Eng & Constr Co Ltd | Soil purifying method |
| DE10238439A1 (en) * | 2002-08-22 | 2004-03-04 | Bauer Spezialtiefbau Gmbh | Pit or ditch for underground heat storage for inner-city buildings has watertight walls and floor made by injecting self-hardening material and may be subsequently excavated |
| CN101092818A (en) * | 2007-06-07 | 2007-12-26 | 上海交通大学 | Method for lowering water by combining phreatic water in footing groove with artesian aquifer - well stratifications |
| CN101818957A (en) * | 2009-09-17 | 2010-09-01 | 邢玉明 | System utilizing heat storage of underground aquifer for heating or utilizing cold storage for cooling |
| CN102538302A (en) * | 2012-03-09 | 2012-07-04 | 山东绿特空调系统有限公司 | Ground source heat pump system for force seepage |
| CN106337427A (en) * | 2016-09-26 | 2017-01-18 | 湖南科技大学 | Deformation control method applied to foundation pit pre-dewatering construction |
-
2017
- 2017-08-18 CN CN201710717116.0A patent/CN107328140B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09174034A (en) * | 1995-12-27 | 1997-07-08 | Hitachi Plant Eng & Constr Co Ltd | Soil purifying method |
| DE10238439A1 (en) * | 2002-08-22 | 2004-03-04 | Bauer Spezialtiefbau Gmbh | Pit or ditch for underground heat storage for inner-city buildings has watertight walls and floor made by injecting self-hardening material and may be subsequently excavated |
| CN101092818A (en) * | 2007-06-07 | 2007-12-26 | 上海交通大学 | Method for lowering water by combining phreatic water in footing groove with artesian aquifer - well stratifications |
| CN101818957A (en) * | 2009-09-17 | 2010-09-01 | 邢玉明 | System utilizing heat storage of underground aquifer for heating or utilizing cold storage for cooling |
| CN102538302A (en) * | 2012-03-09 | 2012-07-04 | 山东绿特空调系统有限公司 | Ground source heat pump system for force seepage |
| CN106337427A (en) * | 2016-09-26 | 2017-01-18 | 湖南科技大学 | Deformation control method applied to foundation pit pre-dewatering construction |
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| Publication number | Publication date |
|---|---|
| CN107328140B (en) | 2020-04-28 |
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Granted publication date: 20200428 Termination date: 20210818 |