CN110344429A - A kind of Frozen Area solar photovoltaic bracket basis and design method - Google Patents
A kind of Frozen Area solar photovoltaic bracket basis and design method Download PDFInfo
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- CN110344429A CN110344429A CN201910644303.XA CN201910644303A CN110344429A CN 110344429 A CN110344429 A CN 110344429A CN 201910644303 A CN201910644303 A CN 201910644303A CN 110344429 A CN110344429 A CN 110344429A
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- piling bar
- bracket basis
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- 238000013461 design Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000002689 soil Substances 0.000 claims abstract description 23
- 238000005452 bending Methods 0.000 claims abstract description 16
- 230000001932 seasonal effect Effects 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000005422 blasting Methods 0.000 claims abstract description 11
- 230000008014 freezing Effects 0.000 claims abstract description 11
- 238000007710 freezing Methods 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims abstract description 5
- 239000003755 preservative agent Substances 0.000 claims abstract description 4
- 230000002335 preservative effect Effects 0.000 claims abstract description 4
- 230000003746 surface roughness Effects 0.000 claims abstract description 4
- 239000000155 melt Substances 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 235000015110 jellies Nutrition 0.000 claims description 4
- 239000008274 jelly Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 230000006866 deterioration Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/35—Foundations formed in frozen ground, e.g. in permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/14—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against frost heaves in soil
-
- 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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/10—Supporting structures directly fixed to the ground
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Photovoltaic Devices (AREA)
- Foundations (AREA)
Abstract
The invention discloses a kind of novel Frozen Area solar photovoltaic bracket basis and design method, which uses wall thickness for the cold bending thin wall of 4mm opening piling bar, and pile body section design is " several " tee section.It is pressed directly into stratum by static pile press, bearing capacity is realized by the performance of side friction.The bracket basis surface more than seasonal frost region depth of freezing is processed by shot blasting, reduces surface roughness value, while increasing the roughness of depth of freezing surface of base below.It the advantage is that the influence for reducing body frost heaving as far as possible and improve bracket basis bearing capacity.In addition, in order to reduce underground water corrosion impact, steel pile foundation surface need to carry out preservative treatment, it is ensured that the load-carrying properties and service life on New-support basis.The foundation pile construction process is simple, has certain bearer properties, and being avoided that conventional stent is laid with to reducing is a kind of very promising Novel photovoltaic bracket basis to undisturbed soil and vegetation deterioration.
Description
Technical field
The invention belongs to the piling Technology fields in geotechnical engineering construction, and in particular to a kind of Frozen Area sun
It can photovoltaic bracket basis, the forced thin walled aperture piling bar in especially a kind of novel seasonal frost region and design method.
Background technique
Photovoltaic power generation is that solar energy is converted into electric energy using solar cell according to photovoltaic effect principle.
China possesses solar energy resources abundant, and Solar use has a extensive future, the resource potential with photovoltaic power generation extensive development
And market prospects.Solar photovoltaic bracket is in solar photovoltaic generation system in order to put, install, fix solar panel
The special bracket of design.
There are extensive overlapping, many solar energy power generatings in view of the resourceful region of China's light and frozen soil region
There are frost zones for Project Areas.In Frozen Area, since photovoltaic panel self weight and every other load are smaller, vulnerable to pile foundation
The difference lifting by frost of plinth and reduce generating efficiency, or even cause its rupture failure.Currently, Frozen Ground Area solar photovoltaic bracket is basic
Type mainly has prefabricated pile basis, bored pile foundation, isolated footing, the types such as steel screw pile foundation.Existing basis shape
Formula is generated to the destruction of earth's surface and the disturbance of the soil body, or there are problems that pile foundation lifting by frost, or cannot take into account its cost and economic effect
It answers, lacks the solar photovoltaic bracket base_structure types of the economical rationality suitable for Frozen Area.
Summary of the invention
Goal of the invention: the present invention is to provide for a kind of Frozen Area solar photovoltaic bracket basic engineering of simple possible
Method, while guaranteeing environmental benefit and economic benefit, it is ensured that the anti_freeze uplift stabilization and bearing capacity of pile foundation.
Technical solution: to achieve the above object, technical scheme is as follows:
A kind of Frozen Area solar photovoltaic bracket basis is that the thin-walled for the symmetrical structure that a section is " several " font is opened
Mouth piling bar, the piling bar section are from top to bottom successively made of top horizontal section, vertical section, bending section and bottom level section, institute
It states bending section and bottom level section outward bending extends；The piling bar is vertically pressed into stratum by static pile press, passes through and freezes in season
Area's mobile layer is fixed in soil layer to melting, and piling bar is from top to bottom accordingly divided into ground table segment, seasonal frost region activity interval and melts soil layer section；
Adjacent piling bar is connected various regions table segment using channel steel integral.
Further, the piling bar is formed by bending integral structure under cold state by steel plate or strip.
Further, the width 50-100mm of piling bar section upper horizontal section, the width of lower horizontal are 30-
60mm, 100-110 ° of angle of the bending angle of the bending section of lower part.
Further, the piling bar wall thickness is 3-5mm, and it is highly 90-110mm that length, which is 1.5~6m,.
Further, the piling bar adjacent spacing is 2.5~3m.
Further, the thickness H2 of the seasonal frost region mobile layer of the piling bar is the maximum frozen depth in place, melts soil layer
The length H3 of section is 1-1.5 times of the maximum frozen depth in place；The length H1 of ground table segment is 300-500mm.
Further, the piling bar overall surface carries out preservative treatment, and seasonal frost region mobile layer section surface is processed by shot blasting,
Melt soil layer section surface and carries out blasting treatment.
Specific step is as follows:
A, it according to the actual measurement temperature of test site and the deep data of jelly, determines the maximum frozen depth in place, generally uses field
(no less than 10 years) maximum average value for freezing depth is surveyed on ground, without field data referring to " Code for design of building ".
B, the maximum frozen depth according to determined by step a designs bracket basis length, and determines piling bar bracket basis pressure
Enter depth.Bracket basis uses the thin walled aperture piling bar of " several " tee section.
C, in conjunction with the design length and compression distance of step b, to the processing of piling bar bracket basis surface segment, freeze it is deep with up to
Ground table segment polishes bracket basis surface to reduce its surface roughness value.Freeze it is deep with down toward stake bottom, to bracket basis table
Face carries out the roughness that blasting treatment increases surface.
D, antirust paint is applied to the piling bar bracket basis surface after segment processing or other anticorrosive paints is further prevented
Corrosion treatment.
E, it is constructed by static press piling, thin walled aperture piling bar bracket basis is pressed into stratum designated depth, guarantees basis
Verticality.
Further, to using No. 20 channel steel connections integral between adjacent bracket basis, bracket is further increased
Basic frost heaving resistant ability.
The utility model has the advantages that using the above scheme, the method by being pressed directly into base rack can be laid with to avoid conventional stent
To reduction to undisturbed soil and vegetation deterioration.Guarantee foundation bearing capacity by contact area between increasing stake soil, while can reduce and build
Build object is influenced by seasonal active layer.This method is easy for construction, and construction cost is low, is a kind of environmentally protective construction technology, is
It is suitable for the solar photovoltaic bracket base_structure types of the economical rationality of Frozen Area at present, there is biggish application prospect.
Detailed description of the invention
Fig. 1 is the forced thin walled aperture piling bar section face figure in Frozen Area (unit: mm)；
Fig. 2 is the forced thin walled aperture piling bar overall structure diagram in Frozen Area；
Fig. 3 is Frozen Area solar photovoltaic bracket basis cross-section diagram；
Fig. 4 is Frozen Area solar photovoltaic bracket basis schematic diagram in succession；
Wherein, 1- bracket basis loads, 2- thin walled aperture piling bar bracket basis, the seasonal frost region 3- mobile layer, and 4- melts soil layer, 5-
It need to be processed by shot blasting piling bar section, 6- need to carry out blasting treatment piling bar section.
Note: H_ piling bar length；H1_ piling bar exposes earth's surface segment length；The active layer thickness that H2_ piling bar passes through；H3_ piling bar position
In melting soil section length.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawings and examples.
The New-support basis uses wall thickness for the cold bending thin wall of 4mm opening piling bar.In order to increase thin walled aperture steel pile
The contact area of body structure and surrounding soil, further improves pile side friction, and pile body section design is " several " tee section.It examines
Consider pile-soil interface mechanical characteristic, the correlation properties of freezing strength and stake side surface degree of roughness between stake soil, to bracket basis
Side need to carry out segment processing.The bracket basis surface more than seasonal frost region depth of freezing is processed by shot blasting, reduces rough surface
Angle value, while increasing the roughness of depth of freezing surface of base below.Meanwhile in order to reduce underground water corrosion impact, piling bar
Surface of base need to carry out preservative treatment, it is ensured that the load-carrying properties and service life on New-support basis.Change bracket basis by quiet
Power pile press machine is pressed directly into stratum to designated depth, and easy for construction, construction cost is low, and conventional stent is avoided to be laid with to reduction to original
Shape soil and vegetation deterioration.Foundation bearing capacity is mainly provided by the side frictional resistance for freezing deep following basis, while can reduce building
Object is influenced by seasonal active layer.
Fig. 1 is that solar photovoltaic bracket section of foundation face figure is pressed in Frozen Area, which uses thin walled aperture piling bar, thickness
3-5mm, section design size can be with reference to dimensionings in figure.Base rack length freezes deep decision according to local maximum, according to
The jelly depth average value of China seasonal frost region, base rack length should be distributed in 1.5~6 meters, and Fig. 2 is labeled as stock size.The steel
The width 70mm of stake section upper horizontal section, the width of lower horizontal are 36mm, the bending angle angle of the bending section of lower part
108°。
Fig. 3 is Frozen Area solar photovoltaic bracket basis sectional view, which uses thin walled aperture steel
Stake 2 is pressed into stratum by static press piling equipment.Thin walled aperture piling bar 2, which needs guiding through seasonal frost region mobile layer 3 and deeply underlies, melts soil layer
4, pile body, which need to be pressed into, melts certain depth in soil layer 4.The depth H 3 that soil layer is melted in pile body indentation should meet 1~1.5 times of mobile layer
Thickness H2, (being determined according to the heave susceptibility grade in place, mobile layer is that the situation of heave susceptibility soil takes 1.5 times).Piling bar
Expose earth's surface segment length H1 generally between 300-500mm, according to local height above sea level, mean wind speed and maximum wind velocity etc. because
Element determines.Pile body total length H be H1, H2 and H3 length value and.In view of the contact performance of the different sections in photovoltaic bracket basis,
Bracket basis side need to be segmented and handled.
Solar photovoltaic bracket basis, Specific construction are realized by following detailed step in Frozen Area:
A, it according to the actual measurement temperature of test site and the deep data of jelly, determines the maximum frozen depth in place, generally uses field
(no less than 10 years) maximum average value for freezing depth is surveyed on ground, without field data referring to " Code for design of building ".
B, the maximum frozen depth according to determined by step a designs bracket basis length, and determines piling bar bracket basis pressure
Enter depth.Bracket basis uses the thin walled aperture piling bar of " several " tee section.
C, in conjunction with the design length and compression distance of step b, to the processing of piling bar bracket basis surface segment, freeze it is deep with up to
Ground table segment polishes bracket basis surface to reduce its surface roughness value.Freeze it is deep with down toward stake bottom, to bracket basis table
Face carries out the roughness that blasting treatment increases surface.
D, antirust paint is applied to the piling bar bracket basis surface after segment processing or other anticorrosive paints is further prevented
Corrosion treatment.
E, it is constructed by static press piling, thin walled aperture piling bar bracket basis is pressed into stratum designated depth, guarantees basis
Verticality.
E, further, piling bar adjacent spacing is 2.5~3m, uses No. 20 channel steels to connect between adjacent bracket basis
It is connected into entirety, further increases bracket basis frost heaving resistant ability, as shown in Figure 4.
By taking the photovoltaic plant in northeast somewhere basis as an example, this area's standard depth of freezing is 2.00m, in seasonal frozen ground layer
The mainly silty clay layer of frost heave sensitivity.Using the bracket basis form, corresponding H2 value is 2.0m, and H3 value is
3.0m, H1 value are 0.3m, and base rack total length H is 5.3m.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of Frozen Area solar photovoltaic bracket basis, it is characterised in that: be the symmetrical junction that a section is " several " font
The thin walled aperture piling bar of structure, the piling bar section is from top to bottom successively by top horizontal section, vertical section, bending section and bottom level
Duan Zucheng, the bending section and bottom level section outward bending extend；The piling bar is vertically pressed into stratum by static pile press,
It is fixed to melting in soil layer across seasonal frost region mobile layer, piling bar is from top to bottom accordingly divided into ground table segment, seasonal frost region activity interval and
Melt soil layer section；Adjacent piling bar is connected various regions table segment using channel steel integral.
2. solar photovoltaic bracket basis in Frozen Area according to claim 1, it is characterised in that: the piling bar is by steel
Plate or strip are formed by bending integral structure under cold state.
3. solar photovoltaic bracket basis in Frozen Area according to claim 1, it is characterised in that: the piling bar section
The width 50-100mm of upper horizontal section, the width of lower horizontal are 30-60mm, the bending angle angle of the bending section of lower part
100-110°。
4. solar photovoltaic bracket basis in Frozen Area according to claim 1, it is characterised in that: the piling bar wall thickness
For 3-5mm, it is highly 90-110mm that length, which is 1.5~6m,.
5. solar photovoltaic bracket basis in Frozen Area according to claim 1, it is characterised in that: the piling bar is adjacent
Spacing is 2.5~3m.
6. solar photovoltaic bracket basis in Frozen Area according to claim 1, it is characterised in that: the season of the piling bar
The thickness H2 for freezing area's activity interval is the maximum frozen depth in place, melts the length H3 of soil layer section as the maximum in place and freezes depth
1-1.5 times of degree；The length H1 of ground table segment is 300-500mm.
7. solar photovoltaic bracket basis in Frozen Area according to claim 1, it is characterised in that: the piling bar is whole
Surface carries out preservative treatment, and seasonal frost region mobile layer section surface is processed by shot blasting, melts soil layer section surface and carries out blasting treatment.
8. the design method on solar photovoltaic bracket basis in Frozen Area according to any one of claims 1 to 7, feature
Be: steps are as follows for Specific construction:
A, according to the actual measurement temperature of test site and the deep data of jelly, the maximum frozen depth in place is determined；
B, according to local maximum frozen depth, thin walled aperture piling bar length is designed, further determines that piling bar bracket basis is pressed into
Depth；
C, to the processing of piling bar bracket basis surface segment: freezing deep polished to piling bar bracket basis surface up to earth's surface section
To reduce its surface roughness value；Freeze deep with down toward stake bottom, piling bar bracket basis surface carries out blasting treatment and increases the thick of surface
Rugosity；
D, antirust paint is applied to piling bar bracket basis surface or other anticorrosive paints carries out anti-corrosion treatment；
E, it is constructed by static press piling, thin walled aperture piling bar bracket basis is pressed into stratum designated depth；
F, integral using No. 20 channel steel connections between adjacent piling bar, further increase bracket basis frost heaving resistant ability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644303.XA CN110344429B (en) | 2019-07-17 | 2019-07-17 | Solar photovoltaic support foundation for seasonal frozen soil area and design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644303.XA CN110344429B (en) | 2019-07-17 | 2019-07-17 | Solar photovoltaic support foundation for seasonal frozen soil area and design method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110344429A true CN110344429A (en) | 2019-10-18 |
| CN110344429B CN110344429B (en) | 2020-11-03 |
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ID=68176649
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|---|---|---|---|
| CN201910644303.XA Active CN110344429B (en) | 2019-07-17 | 2019-07-17 | Solar photovoltaic support foundation for seasonal frozen soil area and design method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4818148A (en) * | 1985-05-14 | 1989-04-04 | Nippon Kokan Kabushiki Kaisha | Frost damage proofed pile |
| JP2015220845A (en) * | 2014-05-16 | 2015-12-07 | ホリー株式会社 | Cradle for solar panel |
| CN204982931U (en) * | 2015-08-03 | 2016-01-20 | 四川电力设计咨询有限责任公司 | Freeze proof bloated photovoltaic support basis |
| RU2575381C1 (en) * | 2015-02-05 | 2016-02-20 | Еуропеан Инвестмент Патент Компани с.р.о. | Steel filled pile with built-in seasonal cooling device (versions) |
| CN206554072U (en) * | 2017-03-14 | 2017-10-13 | 上海电力设计院有限公司 | The basis of the steel-pipe pile photovoltaic bracket with sliding sleeve for Frozen Ground Area |
| US20180354715A1 (en) * | 2012-10-11 | 2018-12-13 | Allied Steel | Secondary containment |
-
2019
- 2019-07-17 CN CN201910644303.XA patent/CN110344429B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4818148A (en) * | 1985-05-14 | 1989-04-04 | Nippon Kokan Kabushiki Kaisha | Frost damage proofed pile |
| US20180354715A1 (en) * | 2012-10-11 | 2018-12-13 | Allied Steel | Secondary containment |
| JP2015220845A (en) * | 2014-05-16 | 2015-12-07 | ホリー株式会社 | Cradle for solar panel |
| RU2575381C1 (en) * | 2015-02-05 | 2016-02-20 | Еуропеан Инвестмент Патент Компани с.р.о. | Steel filled pile with built-in seasonal cooling device (versions) |
| CN204982931U (en) * | 2015-08-03 | 2016-01-20 | 四川电力设计咨询有限责任公司 | Freeze proof bloated photovoltaic support basis |
| CN206554072U (en) * | 2017-03-14 | 2017-10-13 | 上海电力设计院有限公司 | The basis of the steel-pipe pile photovoltaic bracket with sliding sleeve for Frozen Ground Area |
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| CN110344429B (en) | 2020-11-03 |
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