CN116254870A - Integrated beach photovoltaic power station support foundation structure and construction method thereof - Google Patents
Integrated beach photovoltaic power station support foundation structure and construction method thereof Download PDFInfo
- Publication number
- CN116254870A CN116254870A CN202310467029.XA CN202310467029A CN116254870A CN 116254870 A CN116254870 A CN 116254870A CN 202310467029 A CN202310467029 A CN 202310467029A CN 116254870 A CN116254870 A CN 116254870A
- Authority
- CN
- China
- Prior art keywords
- pile
- sleeve
- bearing capacity
- bamboo
- pair
- 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
Links
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
- E02D27/44—Foundations for machines, engines or ordnance
-
- 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
- E02D27/36—Foundations formed in moors or bogs
-
- 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
- E02D31/06—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 corrosion by soil or water
-
- 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
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
-
- 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
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
-
- 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
- E02D5/72—Pile shoes
-
- 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)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Foundations (AREA)
Abstract
The invention discloses an integrated tidal flat photovoltaic power station support foundation structure and a construction method thereof, wherein the integrated tidal flat photovoltaic power station support foundation structure comprises a root pile foundation part and a support part, wherein a main beam of the support part is arranged at the top of a pair of upright posts and is reinforced by diagonal bracing; a gap is reserved between the pair of vertical posts, the sleeve and the lantern ring are arranged in the gap, the sleeve is arranged on the sleeve, and the lantern ring is arranged under the sleeve; the side wall of the sleeve is provided with a plurality of jacks from top to bottom in sequence; the tree root pile foundation part sequentially comprises a pile top, bamboo-shaped main piles and cross plates at the bottom of the pile from top to bottom; tubular auxiliary piles are arranged outside the bamboo-shaped main piles; the sleeve and the lantern ring of the support part are respectively arranged and sleeved on the pile top and the bamboo-shaped main pile, and the pile top is provided with a corresponding waist-shaped hole which is fixed with the sleeve through a pin. The invention has simple construction, less labor consumption and strong structural durability, and is suitable for coastal intertidal zone tidal flat areas with poor bearing capacity, strong environmental corrosiveness, large influence of tide fluctuation and remarkable extreme wind load.
Description
Technical Field
The invention relates to the field of civil engineering, in particular to an integrated tidal flat photovoltaic power station support foundation structure and a construction method thereof.
Background
Renewable energy power generation is an important component of an energy supply system, becomes a global energy transformation and realizes a great strategic measure for coping with climate change targets, and is also an important measure for promoting energy production and consumption revolution in China and pushing energy to be transformed into green low-carbon. The current stage is influenced by the national policy, except barren mountains and Gobi deserts without development value, other photovoltaic power stations are required to be developed according to the agricultural photovoltaic development mode, the characteristics of weaker foundation bearing capacity, stronger environmental corrosiveness and the like exist in the tidal flat area, the tidal fluctuation influence is exerted on the tidal flat construction, the construction difficulty is high, and the problems that the construction of the photovoltaic power station in the tidal flat area faces the custom cost of the support foundation, the construction cost is high and the like are caused. The traditional beach photovoltaic power station foundation adopts deep foundation types such as precast reinforced concrete piles or prestressed pipe piles, the foundation types have the problems of long construction period, high construction difficulty, easiness in being influenced by construction environments of intertidal zones and the like, economy and construction convenience are greatly influenced, rapid development of construction photovoltaic in beach areas is restricted, and research and development of novel foundation types of beach photovoltaic power stations are urgently needed to support efficient development of photovoltaic power stations in future company beach areas.
Chinese patent CN201710891609.6 provides a construction method of a tidal flat photovoltaic power station, comprising 1) leveling tidal flat plots, 2) determining the length of a support foundation required by each region plot according to the elevation value of each region plot after leveling and the elevation difference of the design flood level; 3) And (3) leading holes in the leveled land parcels in all areas, and then inserting the section steel into the holes area by area to cast the support foundation in situ. The method adopts the cast-in-situ foundation for construction, has long construction period, and is difficult to meet the construction period requirement of the beach photovoltaic power station.
Chinese patent CN201320530175.4 provides a photovoltaic support foundation structure suitable for tidal flat photovoltaic power plant, it contains the basis of locating ground, and the photovoltaic support sets up on this basis, and this photovoltaic support contains front column and rear column, and on different bases were located respectively to front and rear column, this structure photovoltaic support was less with ground distance, was applicable to non-sea water submerged area, and tidal fluctuation range of tidal flat is approximately 3 ~ 5m, needs more than 5m distance between photovoltaic board and support and the ground, therefore this structure can't satisfy the construction of photovoltaic power plant on tidal flat of tidal flat.
Chinese patent CN201720936196.4 provides a support for photovoltaic panels along beach lines, including photovoltaic panels for energy storage; the two support columns are connected with the track groove through rollers; the support column A is fixed with a vacuum sealing buoyancy tank; the supporting column A foundation is fixed with a spring; the support column B is inserted into the mud flat underground; the photovoltaic panel, the buoyancy tank, the support column, the track groove, the roller, the spring, the baffle and the support column are all coated with an anti-corrosion coating. The structure is novel in form and ingenious in design, but the long-time seawater soaking pulley is easy to clamp, so that the photovoltaic panel is submerged by seawater and damaged.
As described above, the existing foundation design scheme of the photovoltaic power station bracket along the beach has great limitation, and particularly, the problem of seawater flooding in the process of flood tide is difficult to solve. Therefore, the research on the support foundation structure suitable for construction of the photovoltaic power station in the coastal beach area and the construction method thereof are significant.
Disclosure of Invention
The invention aims to provide an integrated beach photovoltaic power station bracket foundation structure and a construction method thereof, which are used for solving the defects caused by the prior art.
The utility model provides an integrated beach photovoltaic power plant support foundation structure, includes root stake foundation part and support part, and root stake foundation part inserts in the beach ground, and support part is fixed on root stake foundation part, and photovoltaic board installs on support part.
The bracket part comprises a main beam, an inclined strut, an upright post, a sleeve, a lantern ring and a pin. The main beams are arranged at the tops of the pair of upright posts and are reinforced by diagonal bracing; a gap is reserved between the pair of vertical posts, the sleeve and the lantern ring are arranged in the gap, the sleeve is arranged on the sleeve, and the lantern ring is arranged under the sleeve; the side wall of the sleeve is provided with a plurality of jacks from top to bottom in sequence;
the tree root pile foundation part sequentially comprises a pile top, bamboo-shaped main piles and cross plates at the bottom of the pile from top to bottom; tubular auxiliary piles are arranged outside the bamboo-shaped main piles;
the sleeve and the lantern ring of the bracket part are respectively arranged and sleeved on the pile top and the bamboo-shaped main pile, and the pile top is provided with a corresponding waist-shaped hole which is fixed with the sleeve through a pin; the height between the bracket part and the root pile foundation part can be adjusted through the positions of the sleeves and jacks with different heights on the sleeves.
The sleeve is of an inverted cylindrical structure, the inner diameter of the sleeve is the same as the outer diameter of the pile top, and the aperture of the insertion hole on the sleeve is the same as the diameter of the pin;
the waist-shaped holes on the pile top are transversely distributed, the length of the short sides in the up-down direction is the same as the diameter of the pin, and the length in the left-right direction is larger than the diameter of the pin. Thus, fine adjustment can be performed on the horizontal angle so as to make the direction of the photovoltaic bracket consistent.
The inner sides of the upright posts are provided with longitudinal grooves, the cross sections of the grooves are arc-shaped, the lengths of the grooves are larger than the heights of the sleeves, and the side walls of the sleeves are arranged in the grooves and can slide up and down along the grooves in a small range.
The bamboo-shaped main pile is of a hollow tubular structure, annular protrusions are arranged on the outer wall at intervals of one section of length, a transverse reinforcement net and a longitudinal reinforcement net are arranged in the pile body of the bamboo-shaped main pile, and the top of the reinforcement net is connected with the pile top.
The cross plate consists of two plates which are crossed, wherein the upper part of each plate is rectangular, and the lower part of each plate is trapezoidal with wide upper part and narrow lower part. The method is used for accurately positioning and controlling the direction of the root pile foundation part, and simultaneously, the root pile foundation part can be more easily penetrated into the beach foundation.
The tubular auxiliary piles are arranged at the joint of the bamboo-shaped main piles and the ground, and the tubular auxiliary piles uniformly surround the bamboo-shaped main piles for a circle and form a certain angle alpha with the bamboo-shaped main piles. The angle and the number of the auxiliary piles can be adjusted according to the bearing capacity requirement and the material strength.
The support part sleeve and the lantern ring are respectively arranged on the pile top and the bamboo-shaped main pile of the root pile foundation part and are fixed through pins. The sleeve is combined with the lantern ring to bear force, so that the support portion is firmly combined with the root pile foundation portion, and the pin is fixed to prevent the support portion from being pulled out of the root pile foundation portion when the support portion is acted by reverse wind load.
Preferably, the height of the support part and the foundation part of the root pile can be adjusted through a round hole in the sleeve, and the height and the angle of the support part and the foundation part of the root pile can be finely adjusted through a groove in the upright post and a long round hole in the pile top. The bracket part is made of carbon fiber, fiber reinforced organic composite material, aluminum alloy and other corrosion-resistant materials.
The sleeve is made of carbon fiber, fiber reinforced organic composite material, aluminum alloy and other corrosion-resistant materials.
Preferably, the lantern ring is welded on the upright post, the inner diameter of the lantern ring is the same as the outer diameter of the pile body of the foundation part of the tree root pile, the lantern ring can be tightly fixed on the bamboo-shaped main pile, and the lantern ring is made of corrosion-resistant materials such as stainless steel, aluminum alloy and the like.
Preferably, one end of the pin is expanded to form a nut, a metal elastic sheet is arranged in the pin head at the other end, and after the pin penetrates through the sleeve and the pile top, the metal elastic sheet at the pin head end is sprung out, so that the sleeve and the pile top are firmly connected.
Preferably, the bearing capacity of the root pile foundation part can be calculated according to the following formula:
vertical bearing capacity:
Q uk, total ＝Q uk, main +N(Q uk, pair of *cosα+R ha, pair *sinα)
Wherein: q (Q) uk, total The vertical bearing capacity of the tree root piles is achieved; q (Q) uk, main The vertical bearing capacity of the main pile is realized; q (Q) uk, pair of The vertical bearing capacity of the auxiliary pile is realized; r is R ha, pair The horizontal bearing capacity of the auxiliary pile is realized; alpha is the angle between the primary pile and the secondary pile.
When the horizontal load direction is parallel to one of the auxiliary piles, the horizontal bearing capacity is as follows:
wherein: r is R ha, total The horizontal bearing capacity of the tree root piles is achieved; r is R ha, main part The horizontal bearing capacity of the main pile is realized; q (Q) uk, pair of Representing the vertical bearing capacity of the auxiliary pile; r is R ha, pair The horizontal bearing capacity of the auxiliary pile is realized; t (T) uk, pair of The auxiliary pile has the pulling-resistant bearing capacity; alpha is the angle between the main pile and the auxiliary pile; beta i Is the included angle between the ith auxiliary pile and the horizontal load on the plane.
When the horizontal load direction is parallel to the bisector of the two auxiliary piles, the horizontal bearing capacity is as follows:
wherein: r is R ha, total The horizontal bearing capacity of the tree root piles is achieved; r is R ha, main part The horizontal bearing capacity of the main pile is realized; q (Q) uk, pair of Representing the vertical bearing capacity of the auxiliary pile; r is R ha, pair The horizontal bearing capacity of the auxiliary pile is realized; t (T) uk, pair of The auxiliary pile has the pulling-resistant bearing capacity; alpha is the angle between the main pile and the auxiliary pile; beta i Is the included angle between the ith auxiliary pile and the horizontal load on the plane.
Resistance to plucking bearing capacity:
T uk, total ＝T uk, main +N(T uk, pair of *cosα+R ha, pair *sinα)
Wherein: t (T) uk, total The bearing capacity of the root piles is the pulling resistance; t (T) uk, main The main pile has the pulling-resistant bearing capacity; t (T) uk, pair of The auxiliary pile has the pulling-resistant bearing capacity; r is R ha, pair The horizontal bearing capacity of the auxiliary pile is realized; alpha is the angle between the primary pile and the secondary pile.
Preferably, the construction method of the support foundation structure of the integrated tidal flat photovoltaic power station is characterized by comprising the following steps: the method comprises the following steps:
s1, entering materials, transporting the prefabricated tree root pile foundation part to a stacking place nearby a photovoltaic power station in a land transportation or sea transportation mode, and stacking according to the construction sequence and specification of the piles.
S2, measuring and paying off, measuring a main axis by adopting a rectangular coordinate method, measuring all pile position axes by combining a pile position plane layout diagram, and marking a hole position center point.
And S3, static pressure is carried out on the root pile foundation part, the root pile foundation part is conveyed to the position nearby the pile position, the root pile foundation part is pressed into the beach foundation by adopting a crawler-type pile pressing machine, positioning, direction control and verticality control are carried out before pile pressing, and verticality is corrected again when the pile is pressed into the pile for 1 m. And (5) extracting the heavy pressure for the pile which does not meet the requirements.
S4, supporting construction, namely installing the support and the photovoltaic module after the root pile foundation part is completed, sleeving the support sleeve and the lantern ring on the pile top of the root pile foundation part, supporting the support and correcting the position direction, and inserting the pin support to complete the installation.
The invention has the advantages that: this kind of integrated beach photovoltaic power plant support foundation structure:
(1) The self weight of the structure is light, the strength is high, the friction force between the structure and the foundation is high, and the structure is suitable for beach foundations with extremely low bearing capacity;
(2) The structure is simple, the installation is convenient, the bolting and the reinforcement are not needed, the workload of site construction can be reduced, and particularly, the workload of manpower is very small, thereby greatly accelerating the construction progress;
(3) In the installation, the structure height and the angle can be finely adjusted, and the accuracy of structure installation is improved.
Drawings
FIG. 1 is a basic perspective view of an integrated tidal flat photovoltaic power plant stand;
FIG. 2 is a perspective view of a portion of a bracket;
FIG. 3 is a partial cross-sectional view of a stent;
FIG. 4 is a perspective view of a root pile foundation portion;
FIG. 5 is a partial cross-sectional view of a root pile foundation;
FIG. 6 is a schematic view of a bracket portion recess;
FIG. 7 is a perspective view of a pin;
fig. 8 is a schematic view of the installation of the present invention.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1, the support foundation structure of the integrated tidal flat photovoltaic power station comprises a root pile foundation part 2 and a support part 1, wherein the root pile foundation part 2 is inserted into a tidal flat foundation, the support part 1 is fixed on the root pile foundation part 2, and a photovoltaic panel is installed on the support. The bracket part 1 comprises a main beam 3, inclined struts 4, upright posts 5, sleeves 6, lantern rings 7 and pins 8. The root pile foundation part 2 comprises a pile top 9 and a bamboo-shaped main pile 10.
As shown in fig. 2, the bracket part 1 is a perspective view and comprises a main beam 3, diagonal braces 4, upright posts 5, sleeves 6, a collar 7 and pins 8. The main beam 3, the diagonal braces 4 and the upright posts 5 form a stressed structure of the bracket part 1, and are respectively fixed or welded by bolts to form a prefabricated structure.
As shown in fig. 3, the cross-sectional view of the bracket portion 1 can see that the sleeve 6 has an inverted cylindrical structure, and is embedded between two upright posts 5, the inner sides of the upright posts 5 have a groove shape, and the length of the groove is slightly greater than the height of the sleeve 6, so that the sleeve 6 can be finely adjusted in the height direction. The inner diameter of the sleeve 6 is the same as the outer diameter of the pile top 9 of the root pile foundation part 2, the diameter of a through round hole in the sleeve 6 is the same as the diameter of the pin 8, and the sleeve 6 is made of carbon fiber, fiber reinforced organic composite material, aluminum alloy and other corrosion-resistant materials. The lantern ring 7 is welded on the upright post 5, the inner diameter of the lantern ring is the same as the outer diameter of the pile body of the root pile foundation part 2, the lantern ring can be tightly fixed on the bamboo-shaped main pile 10, and the lantern ring 7 is made of corrosion-resistant materials such as stainless steel, aluminum alloy and the like.
As shown in fig. 4, the pile foundation portion 2 is a perspective view, the pile top 9 is provided with a slotted hole, the length of the short side of the slotted hole in the up-down direction is the same as the diameter of the pin 8, and the length of the slotted hole in the left-right direction is slightly larger than the diameter of the pin 8, so that fine adjustment can be performed on a horizontal angle, and the direction of the photovoltaic bracket is consistent. The bottom of the bamboo-shaped main pile 10 is welded with a cross plate 12, the upper part of the cross plate 12 is rectangular, the lower part of the cross plate is trapezoidal, the upper part of the cross plate is wide at the upper part and narrow at the lower part of the cross plate, and the cross plate is used for accurately positioning and controlling the direction of the root pile foundation part 2, and meanwhile, the root pile foundation part 2 can be more easily penetrated into a beach foundation.
As shown in fig. 5, the cross-section of the root pile foundation portion 2, the bamboo-shaped main pile 10 is a hollow tubular structure, the material is generally a concrete material, the cost is low, the pile body is internally provided with a transverse reinforcement net and a longitudinal reinforcement net, and the reinforcement material can be steel bars or novel fiber reinforced organic composite materials. The top of the reinforcement net is welded with the pile top 9, so that the root pile foundation part 2 is a firm whole.
As shown in fig. 6, the groove of the bracket part 1 is schematically shown, preferably, the inner side of the upright post 5 of the bracket part 1 is provided with a circular arc groove, and the sleeve 6 can slide up and down along the small range of the groove on the inner side of the upright post 5, so that the heights of the photovoltaic brackets can be consistent.
As shown in fig. 7, the pin 8 is shown in perspective, and the sleeve 6 and the collar 7 of the bracket part 1 are respectively mounted on the pile top 9 and the pile body of the root pile foundation part 2, and are fixed by the pin 8. Preferably, one end of the pin 8 is expanded to form a nut, a metal elastic sheet is arranged in the pin head at the other end, and after the pin 8 passes through the sleeve 6 and the pile top 9, the metal elastic sheet at the pin head is sprung out, so that the sleeve 6 is firmly connected with the pile top 9. The pin 8 is made of stainless steel, aluminum alloy and other materials with high strength, easy processing and corrosion resistance.
As shown in fig. 8, the root pile foundation part 2 is inserted into the beach foundation, the bracket part 1 is fixed on the root pile foundation part 2, and the photovoltaic panel is mounted on the bracket part 1.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (9)
1. The integrated beach photovoltaic power station support foundation structure is characterized by comprising a root pile foundation part (2) and a support part (1);
the bracket part (1) comprises a main beam (3), inclined struts (4), upright posts (5), sleeves (6), lantern rings (7) and pins (8); the main beams (3) are arranged at the tops of the pair of upright posts (5) and are reinforced by diagonal braces (4); a gap is reserved between the pair of upright posts (5), the sleeve (6) and the sleeve ring (7) are arranged in the gap, the sleeve (6) is arranged on the upper part, and the sleeve ring (7) is arranged on the lower part; the side wall of the sleeve (6) is provided with a plurality of jacks from top to bottom in sequence;
the tree root pile foundation part (2) sequentially comprises a pile top (9), bamboo-shaped main piles (10) and cross plates (12) at the bottom of the pile from top to bottom; a tubular auxiliary pile (11) is arranged outside the bamboo-shaped main pile (10);
the sleeve (6) and the lantern ring (7) of the bracket part (1) are respectively sleeved on the pile top (9) and the bamboo-shaped main pile (10), the pile top (9) is provided with a corresponding waist-shaped hole, and the sleeve (6) are fixed through the pin (8); the height between the bracket part (1) and the root pile foundation part (2) can be adjusted through the position of the sleeve (6) and jacks with different heights on the sleeve (6).
2. The integrated beach photovoltaic power station support infrastructure of claim 1, wherein: the sleeve (6) is of an inverted cylindrical structure, the inner diameter of the sleeve is the same as the outer diameter of the pile top (9), and the aperture of the insertion hole on the sleeve (6) is the same as the diameter of the pin (8);
the waist-shaped holes on the pile top (9) are transversely distributed, the length of the short side in the up-down direction is the same as the diameter of the pin (8), and the length in the left-right direction is larger than the diameter of the pin (8).
3. The integrated beach photovoltaic power station support infrastructure of claim 1, wherein: the inner sides of the upright posts (5) are provided with longitudinal grooves, the cross sections of the grooves are arc-shaped, the lengths of the grooves are larger than the height of the sleeve (6), and the side walls of the sleeve (6) are arranged in the grooves and can slide up and down along the grooves in a small range.
4. The integrated beach photovoltaic power station support infrastructure of claim 1, wherein: the bamboo-shaped main pile (10) is of a hollow tubular structure, annular protrusions are arranged on the outer wall of the bamboo-shaped main pile at intervals, a transverse reinforcement net and a longitudinal reinforcement net are arranged in the pile body of the bamboo-shaped main pile (10), and the top of the reinforcement net is connected with the pile top (9).
5. The integrated beach photovoltaic power station support infrastructure of claim 1, wherein: the cross plate (12) is formed by crisscross two plates, the upper part of each plate is rectangular, and the lower part is trapezoidal with wide upper part and narrow lower part.
6. The integrated beach photovoltaic power station support infrastructure of claim 1, wherein: the tubular auxiliary piles (11) are arranged at the joint of the bamboo-shaped main piles (10) and the ground, and the tubular auxiliary piles (11) uniformly surround the bamboo-shaped main piles (10) for a circle and form a certain angle alpha with the bamboo-shaped main piles (10).
7. The integrated beach photovoltaic power station support infrastructure of claim 1, wherein: the bearing capacity of the root pile foundation part (2) can be calculated according to the following formula:
vertical bearing capacity:
Q uk, total ＝Q uk, main +N(Q uk, pair of *cosα+R ha, pair *sinα)
Wherein: q (Q) uk, total The vertical bearing capacity of the tree root piles is achieved; q (Q) uk, main The vertical bearing capacity of the main pile is realized; q (Q) uk, pair of The vertical bearing capacity of the auxiliary pile is realized; r is R ha, pair The horizontal bearing capacity of the auxiliary pile is realized; alpha is the angle between the bamboo-shaped main pile (10) and the tubular auxiliary pile (11);
when the horizontal load direction is parallel to one of the tubular auxiliary piles (11), the horizontal bearing capacity is as follows:
wherein: r is R ha, total The horizontal bearing capacity of the root pile foundation part (2) is realized; r is R ha, main part The bamboo-shaped main pile (10) has horizontal bearing capacity; q (Q) uk, pair of Representing the vertical bearing capacity of the tubular auxiliary pile (11); r is R ha, pair The horizontal bearing capacity of the tubular auxiliary pile (11); t (T) uk, pair of The tubular auxiliary pile (11) has the pulling-resistant bearing capacity; alpha is the angle between the bamboo-shaped main pile (10) and the tubular auxiliary pile (11); beta i An included angle between the ith tubular auxiliary pile (11) and the horizontal load on the plane is formed;
when the horizontal load direction is parallel to the bisector of two tubular auxiliary piles (11), the horizontal bearing capacity is as follows:
wherein: r is R ha, total The horizontal bearing capacity of the root pile foundation part (2) is realized; r is R ha, main part Is bamboo jointThe horizontal bearing capacity of the shaped main pile (10); q (Q) uk, pair of Representing the vertical bearing capacity of the tubular auxiliary pile (11); r is R ha, pair The horizontal bearing capacity of the tubular auxiliary pile (11); t (T) uk, pair of The tubular auxiliary pile (11) has the pulling-resistant bearing capacity; alpha is the angle between the main pile and the tubular auxiliary pile (11); beta i An included angle between the ith tubular auxiliary pile (11) and the horizontal load on the plane is formed;
resistance to plucking bearing capacity:
T uk, total ＝T uk, main +N(T uk, pair of *cosα+R ha, pair *sinα)
Wherein: t (T) uk, total The anti-pulling bearing capacity of the root pile foundation part (2); t (T) uk, main The anti-pulling bearing capacity of the bamboo-shaped main pile (10); t (T) uk, pair of The tubular auxiliary pile (11) has the pulling-resistant bearing capacity; r is R ha, pair The horizontal bearing capacity of the tubular auxiliary pile (11); alpha is the angle between the bamboo-shaped main pile (10) and the tubular auxiliary pile (11).
8. The integrated beach photovoltaic power station support infrastructure of claim 1, wherein: one end of the pin (8) expands to form a nut, a metal elastic sheet is arranged in the pin head at the other end, and after the pin (8) passes through the sleeve (6) and the pile top (9), the metal elastic sheet at the pin head end is sprung out, so that the sleeve (6) is firmly connected with the pile top (9).
9. The construction method of the integrated beach photovoltaic power station support base structure according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
s1, entering materials, namely conveying a prefabricated tree root pile foundation part (2) to a stacking place nearby a photovoltaic power station in a land or sea mode, and stacking according to the construction sequence and specification of piles;
s2, measuring and paying off, measuring a main axis by adopting a rectangular coordinate method, measuring all pile position axes by combining a pile position plane layout diagram, and marking a hole position center point;
s3, static pressure is carried out on the root pile foundation part (2), the root pile foundation part (2) is conveyed to the position nearby a pile position, a crawler-type pile pressing machine is adopted to press the root pile foundation part into a beach foundation, positioning, direction control and verticality control are carried out before pile pressing, and verticality is corrected again when the pile is pressed into the pile for 1 m; pulling out the heavy pressure for the pile which does not meet the requirement;
s4, supporting construction, namely installing the support and the photovoltaic module after the pile foundation is completed, sleeving the support sleeve (6) and the lantern ring (7) on the pile top (9) of the root pile foundation part (2), supporting the support, correcting the position direction, and inserting the pin (8) to complete the installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310467029.XA CN116254870A (en) | 2023-04-27 | 2023-04-27 | Integrated beach photovoltaic power station support foundation structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310467029.XA CN116254870A (en) | 2023-04-27 | 2023-04-27 | Integrated beach photovoltaic power station support foundation structure and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116254870A true CN116254870A (en) | 2023-06-13 |
Family
ID=86688221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310467029.XA Pending CN116254870A (en) | 2023-04-27 | 2023-04-27 | Integrated beach photovoltaic power station support foundation structure and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116254870A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117684595A (en) * | 2024-02-02 | 2024-03-12 | 寿光鸿海电力有限公司 | Construction method of tidal flat photovoltaic power station |
| CN117966801A (en) * | 2024-03-28 | 2024-05-03 | 中国电建集团西北勘测设计研究院有限公司 | Support foundation for a photovoltaic power plant for sand |
-
2023
- 2023-04-27 CN CN202310467029.XA patent/CN116254870A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117684595A (en) * | 2024-02-02 | 2024-03-12 | 寿光鸿海电力有限公司 | Construction method of tidal flat photovoltaic power station |
| CN117684595B (en) * | 2024-02-02 | 2024-05-14 | 寿光鸿海电力有限公司 | Construction method of tidal flat photovoltaic power station |
| CN117966801A (en) * | 2024-03-28 | 2024-05-03 | 中国电建集团西北勘测设计研究院有限公司 | Support foundation for a photovoltaic power plant for sand |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116254870A (en) | Integrated beach photovoltaic power station support foundation structure and construction method thereof | |
| CN101892671B (en) | Pile anchor rod foundation structure | |
| CN108612110B (en) | Combined type supporting construction method for deep foundation pit of subway station | |
| CN109469089A (en) | A kind of interpolation type offshore wind farm jacket basis carrying steady pipe casing and construction method | |
| US20140215953A1 (en) | Solar panel mounting stand installation method, pile and solar panel mounting stand | |
| CN209538210U (en) | A kind of interpolation type offshore wind farm jacket basis carrying steady pipe casing | |
| CN214883687U (en) | Foundation pit supporting structure | |
| CN107476316B (en) | Building foundation pit internal and external support structure and construction method | |
| CN111197318B (en) | Foundation for a tower of a wind turbine | |
| CN201826323U (en) | Pile-anchor rod foundation structure | |
| CN110397064B (en) | Combined annular tube jacket foundation structure and construction method thereof | |
| CN108661301B (en) | Modular assembly platform for vertical frames of well frames and use method | |
| CN215977295U (en) | Foundation pit supporting structure | |
| CN215857816U (en) | Non-pile-driving type photovoltaic panel support foundation structure suitable for muddy field | |
| CN106948367B (en) | Wind power foundation assembled by quadrangular jacket column jacket and construction method thereof | |
| CN215105474U (en) | Ultra-deep foundation pit tower crane lattice type bearing platform foundation system | |
| CN104452798A (en) | Offshore wind turbine foundation structure and equipment and construction method of offshore wind turbine foundation equipment | |
| CN213390202U (en) | Combined type polygonal tubular structure fan foundation | |
| CN212367171U (en) | Fixed mountain region photovoltaic support of double-column | |
| CN210887229U (en) | Irregular foundation pit assembled steel strutting arrangement | |
| CN1097227A (en) | Flat lattice type ring-beam supporting method | |
| CN110397065B (en) | Multi-barrel jacket wind power foundation structure and construction method thereof | |
| CN218933194U (en) | Group anchor type screw anchor foundation adopting flange connection | |
| CN219034111U (en) | Independent cantilever structure suitable for fixing non-attached high and large wall | |
| CN220486442U (en) | Pile plane positioning device for pcmw construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |