CN114108600B - Fan foundation with prefabricated sheet pile assembly type connecting structure and construction method thereof - Google Patents
Fan foundation with prefabricated sheet pile assembly type connecting structure and construction method thereof Download PDFInfo
- Publication number
- CN114108600B CN114108600B CN202111426074.8A CN202111426074A CN114108600B CN 114108600 B CN114108600 B CN 114108600B CN 202111426074 A CN202111426074 A CN 202111426074A CN 114108600 B CN114108600 B CN 114108600B
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- key groove
- prefabricated sheet
- sheet pile
- prefabricated
- passive
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- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
-
- 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
-
- 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
- E02D27/20—Caisson foundations combined with pile foundations
-
- 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
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
-
- 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
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced 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
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
- E02D5/12—Locking forms; Edge joints; Pile crossings; Branch pieces
-
- 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
- E02D5/14—Sealing joints between adjacent sheet piles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
-
- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
-
- 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
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Abstract
The invention discloses a construction method of a fan foundation of a prefabricated sheet pile assembly type connecting structure, which comprises a plurality of prefabricated sheet piles, wherein one side of each prefabricated sheet pile is provided with an active key groove, the other side of each prefabricated sheet pile is provided with a passive key groove, two adjacent prefabricated sheet piles are connected through an active key groove body and the passive key groove, guide holes penetrating along the length direction of the prefabricated sheet pile are formed in each active key groove and each passive key groove, and a pre-buried grouting channel is formed at the connecting position of each prefabricated sheet pile; the prefabricated sheet pile assembly type connecting structure and the construction method thereof solve the structural connection problem between the prefabricated sheet piles, enable the prefabricated sheet piles to form a cylindrical structure whole, realize the integral stress of the cylindrical structure as an important structure of a fan foundation, and improve the site construction efficiency.
Description
Technical Field
The invention relates to the field of wind farm fan foundations, in particular to a prefabricated sheet pile assembly type connection structure fan foundation and a construction method thereof.
Background
The wind turbine foundation is an important component of wind farm construction, and not only is safe and reliable operation of the wind farm related, but also investment of the wind farm is affected. According to the adaptability of geological conditions, the existing common fan foundation forms comprise an expansion type fan foundation and a pile foundation, the expansion type foundation mainly utilizes self gravity to resist the large bending moment load of an upper structure, and when the geological conditions are weaker, the expansion type foundation is adopted after foundation treatment. The pile foundation is adopted under the condition that the natural foundation does not meet the requirements of bearing capacity, deformation and the like of a foundation structure, the vertical effect of piles is utilized to bear the bending moment load of an upper structure, and a bearing platform is arranged to be connected with the foundation piles to form an integral structure.
The prefabricated sheet pile assembled barrel-type fan foundation is characterized in that cement soil stirring is firstly carried out in a prefabricated pile sinking area, then the prefabricated sheet piles are implanted, and the prefabricated sheet piles are connected to form an integral barrel-type structure. The large bending moment of the fan is resisted by the combination of the cylindrical structure and the horizontal and vertical resistance action of the soil body at the outer side. The structure and the construction method are suitable for most foundation conditions, especially soft soil areas, and have the advantage of high construction efficiency. However, the connection treatment between the prefabricated sheet piles is often difficult to control in construction to meet the design concept requirement, the connection of the prefabricated sheet piles for the conventional foundation pit structure generally only needs to achieve the purpose of water stopping, and the requirement on the structural connection integrity is not high. The invention aims to solve the structural connection problem of the prefabricated sheet pile.
Disclosure of Invention
The invention provides a fan foundation of a prefabricated sheet pile assembly type connecting structure and a construction method thereof, wherein two prefabricated sheet piles are connected through a shear key, a passive key slot is arranged on one side of each prefabricated sheet pile, and an active key slot is arranged on one side of each prefabricated sheet pile; after two prefabricated sheet piles are positioned, constructed and sunk through the I-shaped steel groove, pushing the active key groove to be higher than the ground structure by using a jack, and inserting the active key groove into the passive key groove of the preceding sheet pile; after pushing and inserting are completed, high-strength grouting is performed through a grouting channel pre-buried at one side of the passive key groove.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the fan foundation comprises a plurality of prefabricated sheet piles, wherein one side of each prefabricated sheet pile is provided with an active key groove, the other side of each prefabricated sheet pile is provided with a passive key groove, two adjacent prefabricated sheet piles are connected through an active key groove body and the passive key groove, guide holes penetrating along the length direction of each prefabricated sheet pile are formed in each active key groove and each passive key groove, and a pre-buried grouting channel is formed in the connecting position of each prefabricated sheet pile; and reserving a gap at the joint of two adjacent prefabricated sheet piles as a pouring high-strength grouting area.
The top surface of the passive key groove is a concave key groove.
The sections of the active key groove and the passive key groove are concave-convex, the depth of the groove is not less than 10cm, and the vertical distance is not more than 3 times of the depth of the groove.
The gap between the active key groove and the passive key groove is 3-10 cm.
The active key groove and the prefabricated sheet pile are of an integral structure, the active key groove is higher than the ground by not less than 30cm, the concrete strength of the active key groove is not lower than C60, and reinforcing steel bars are arranged in the active key groove.
The embedded grouting channel is arranged on one side of the passive key groove on the prefabricated sheet pile, the embedded grouting channel comprises a horizontal channel and a vertical channel which are communicated with each other, the vertical channel penetrates through the whole prefabricated sheet pile, and the horizontal channel penetrates through the protruding portion of the whole passive key groove.
The grouting channel is in a circular tube shape, and the diameter of the grouting channel is not smaller than 2cm.
A wind generating set adopts the prefabricated sheet pile assembly type connection structure of the invention.
The invention relates to a construction method of a fan foundation, which comprises the following steps:
a positioning steel member is arranged between two adjacent prefabricated sheet piles, after the first prefabricated sheet pile is sunk, the positioning steel member is inserted, the second prefabricated sheet pile is positioned and sunk through the positioning steel member, a plane gap is reserved, and one prefabricated sheet pile is taken out after each sunk is completed;
horizontally pushing the active key slot, inserting the active key slot into the passive key slot of the front sheet pile, pushing until the pushing force does not damage the concrete strength and penetrates into place, and finally reserving a gap;
pouring high-strength grouting from the grouting channel to the joint of the two prefabricated sheet piles; and completing foundation structure construction one by one.
The plane gap is not more than 20cm; the gap is 3-10 cm; the positioning steel member adopts I-steel, H-steel or channel steel, the subsequent precast sheet pile sinking is carried out through the directional steel member, the pressure grouting is not less than 2MPa, the grouting material adopts high-strength cement paste or polyethylene, and the strength is not less than 60MPa.
Compared with the prior art, the invention has at least the following beneficial effects: the prefabricated sheet pile assembly type connecting structure and the construction method thereof solve the structural connection problem between the prefabricated sheet piles, enable the prefabricated sheet piles to form a cylindrical structure whole, realize the integral stress of the cylindrical structure as an important structure of a fan foundation, improve the stability of the fan foundation and improve the site construction efficiency.
Drawings
Fig. 1 is a schematic top view of the structure of the present invention prior to insertion.
Fig. 2 is a schematic structural elevation view of the present invention after insertion.
Fig. 3 is a schematic illustration of the structure of the present invention after insertion.
In the figure: 1-prefabricating sheet piles; 2-an active keyway; 3-passive keyway; 4-positioning the steel member; 5-grouting channels; and 6-high-strength grouting areas.
Detailed Description
The invention is explained in detail below with reference to the drawings and the specific embodiments.
A fan foundation of a prefabricated sheet pile assembly type connecting structure comprises a plurality of prefabricated sheet piles 1, wherein a passive key slot 3 is arranged on one side of each prefabricated sheet pile 2, and an active key slot 2 is arranged on one side of each prefabricated sheet pile; the two prefabricated sheet piles 1 are connected through the active key groove body 2 and the passive key groove 3, after the two prefabricated sheet piles 1 are positioned, constructed and submerged through the positioning steel member 4, the part of the active key groove 2, which is higher than the ground, is pushed by a jack, and the active key groove 2 is inserted into the passive key groove 3 of the preceding sheet pile; after the pushing and inserting are completed, a gap is reserved at the joint of two adjacent prefabricated sheet piles 1 to serve as a high-strength grouting area, and high-strength grouting is performed through a grouting channel 5 pre-buried at one side of the passive key groove 3.
As an alternative embodiment, the guide holes on the active key groove 2 and the passive key groove 3 can be just inserted with the positioning steel member 4 during the sinking process of the prefabricated sheet pile 1, and the steel member can be i-steel, H-steel or channel steel, wherein the i-steel can refer to fig. 1; when the sections of the guide holes on the driving key groove 2 and the driven key groove 3 are spliced, the shape of the guide holes is the same as the cross section of I-steel, H-steel or channel steel; the illustration in fig. 1 and 2 is only schematic, and in actual construction there is a set angle between two adjacent sheet piles 1, with which the pilot holes are also constructed.
The top surface of the passive key slot 3 should be a concave key slot.
The active key slot 2 and the prefabricated sheet pile 1 are of an integral structure, and are independently prefabricated by referring to a concrete filled shadow area shown in fig. 2, and are synchronously sunk after being combined with the prefabricated sheet pile 1 before construction; the active key slot 2 should be no less than 30cm above the ground. The concrete strength of the active key groove 2 is not lower than C60, and steel bars are arranged in the active key groove 2.
The sections of the active key groove 2 and the passive key groove 3 are concave-convex, the depth of the groove is not less than 10cm, and the vertical distance is not more than 3 times of concave-convex dimension difference. The dimensions of the passive key groove 3 and the active key groove 2 should be strictly concave-convex, that is, the key on the active key groove 2 extends into the groove of the passive key groove 3, and a gap of 3-10 cm is reserved between the key and the groove. The active key groove 2 and the passive key groove 3 may be provided in whole or in part in the vertical direction of the precast sheet pile. A grouting channel 5 is pre-buried at one side of the passive key groove 3 on the precast sheet pile 1, the pre-buried grouting channel 5 comprises a horizontal channel and a vertical channel which are communicated with each other, the vertical channel penetrates through the whole precast sheet pile 1, the horizontal channel penetrates through the protruding part of the whole passive key groove 3,
the top surface of the passive key slot should be a concave key slot.
The active key groove 2 is of an integral structure, is independently prefabricated, and is combined with a prefabricated sheet pile before construction and then is sunk. The active key slot should be no less than 30cm above the ground. And the concrete strength of the active key groove is not lower than C60, and the reinforcement configuration is carried out.
Referring to fig. 1, 2, and 3, a construction method of a prefabricated sheet pile assembly type barrel type fan foundation includes the steps of:
(1) And a positioning steel member 4 is arranged between two adjacent prefabricated sheet piles 1, after the first prefabricated sheet pile 1 is sunk, the positioning steel member 4 is inserted, the second prefabricated sheet pile 1 is positioned and sunk through the positioning steel member 4, the plane gap is not more than 20cm, and the positioning steel member 4 is taken out after the sinking is finished.
(2) The jack group is used for horizontally pushing the active key groove 2, the active key groove 2 is inserted into the passive key groove 3 of the front sheet pile until the pushing force does not damage the concrete strength and is inserted in place, and finally a gap of 3-10 cm is reserved.
(3) Grouting channels 5 are pre-buried at one side of the passive key groove 3 of the prefabricated sheet pile 1, the grouting channels 5 are arranged at the concave key groove and the convex key groove, the diameter of the grouting channels 5 is not less than 2cm, the pressure grouting is not less than 2MPa, and a grouting material area 6 is shown in an oblique line shadow area of the attached drawing 2; the grouting material can adopt chemical materials such as high-strength cement paste or polyethylene, and the strength is not lower than 60MPa.
When the last two prefabricated sheet piles 1 are constructed, templates are arranged at gaps between the two prefabricated sheet piles 1, and two adjacent faces of the last two prefabricated sheet piles 1 extend out of dowel bars to perform dowel bar pouring and tamping.
As an alternative embodiment, the adjacent two surfaces of the last two prefabricated sheet piles 1 are napped and then are subjected to dowel bar pouring and tamping.
Claims (7)
1. The fan foundation is characterized by comprising a plurality of prefabricated sheet piles (1), wherein one side of each prefabricated sheet pile is provided with an active key groove (2), the other side of each prefabricated sheet pile is provided with a passive key groove (3), two adjacent prefabricated sheet piles (1) are connected through the active key groove (2) and the passive key groove (3), a set angle is reserved between the two adjacent prefabricated sheet piles (1), and the prefabricated sheet piles are connected to form a barrel-type structure whole; guide holes penetrating along the length direction of the prefabricated sheet pile (1) are formed in the driving key groove (2) and the driven key groove (3), and a pre-buried grouting channel (5) is formed in the joint of the prefabricated sheet pile (1); a gap is reserved at the joint of two adjacent prefabricated sheet piles (1) and is used as a pouring high-strength grouting area (6); the embedded grouting channel (5) is arranged on one side of the passive key groove (3) on the prefabricated sheet pile (1), the embedded grouting channel (5) comprises a horizontal channel and a vertical channel which are mutually communicated, the vertical channel penetrates through the whole prefabricated sheet pile (1), and the horizontal channel penetrates through the protruding part of the whole passive key groove (3); the active key groove (2) and the prefabricated sheet pile (1) are of an integral structure, the active key groove (2) is higher than the ground by not less than 30cm, the concrete strength of the active key groove (2) is not lower than C60, reinforcing steel bars are arranged in the active key groove (2), the active key groove (2) is horizontally inserted into the passive key groove (3) of the front-end sheet pile, the sections of the active key groove (2) and the passive key groove (3) along the depth direction are concave-convex, the depth of the groove is not less than 10cm, and the vertical distance between two adjacent active key grooves (2) is not more than 3 times the depth of the groove.
2. The fan foundation of prefabricated sheet pile fabricated connection structure of claim 1, wherein the top surface of the passive keyway is a concave keyway.
3. The fan foundation of the prefabricated sheet pile assembly type connection structure according to claim 1, wherein a gap between the active key groove and the passive key groove is 3-10 cm.
4. Fan foundation of prefabricated sheet pile assembled connection according to claim 1, characterized in that the grouting channel (5) is of the round tube type with a diameter not smaller than 2cm.
5. A wind power generation set, characterized by a wind turbine foundation employing the prefabricated sheet pile assembly connection structure according to any one of claims 1-4.
6. The method of constructing a fan foundation according to any one of claims 1 to 5, comprising the steps of:
a positioning steel member (4) is arranged between two adjacent prefabricated sheet piles (1), after the first prefabricated sheet pile (1) is sunk, the positioning steel member (4) is inserted, the second prefabricated sheet pile (1) is positioned and sunk through the positioning steel member (4), a plane gap is reserved, and each sunk is completed, and one prefabricated sheet pile (1) is taken out of the positioning steel member (4);
the active key groove (2) is horizontally pushed, the active key groove (2) is inserted into the passive key groove (3) of the front sheet pile until the pushing force does not damage the concrete strength and is inserted in place, and finally a gap is reserved;
pouring high-strength grouting into the joint of the two prefabricated sheet piles (1) from the grouting channel (5); and completing foundation structure construction one by one.
7. The construction method according to claim 6, wherein the plane gap is not more than 20cm; the gap is 3-10 cm; the positioning steel member (4) adopts I-steel, H-steel or channel steel, the subsequent precast sheet pile is sunk through the positioning steel member (4), the pressure grouting is not less than 2MPa, the grouting material adopts high-strength cement paste or polyethylene, and the strength is not less than 60MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426074.8A CN114108600B (en) | 2021-11-26 | 2021-11-26 | Fan foundation with prefabricated sheet pile assembly type connecting structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426074.8A CN114108600B (en) | 2021-11-26 | 2021-11-26 | Fan foundation with prefabricated sheet pile assembly type connecting structure and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114108600A CN114108600A (en) | 2022-03-01 |
| CN114108600B true CN114108600B (en) | 2024-03-29 |
Family
ID=80370775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111426074.8A Active CN114108600B (en) | 2021-11-26 | 2021-11-26 | Fan foundation with prefabricated sheet pile assembly type connecting structure and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114108600B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205134353U (en) * | 2015-11-17 | 2016-04-06 | 西安建筑科技大学 | Prevent frostbite and pull out and melt a heavy assembly type ventilation stake foundation structure |
| CN206752446U (en) * | 2017-05-19 | 2017-12-15 | 青岛瑞源工程集团有限公司 | A kind of prefabricated sheet pile |
| CN110747903A (en) * | 2019-10-28 | 2020-02-04 | 湖北建科国际工程有限公司 | Porous frame bridge and assembling construction method thereof |
| CN210797533U (en) * | 2019-07-16 | 2020-06-19 | 武汉谦诚桩工科技股份有限公司 | Assembled prestressing force underground continuous wall structure |
| CN111851567A (en) * | 2020-08-20 | 2020-10-30 | 天津大学 | Wind power foundation newly built or expanded on soft foundation shallow covering layer and construction method thereof |
| CN112854288A (en) * | 2021-03-11 | 2021-05-28 | 同济大学建筑设计研究院(集团)有限公司 | Fan cylindrical foundation consisting of underground continuous walls and construction method |
| CN216428232U (en) * | 2021-11-26 | 2022-05-03 | 华能清能通榆电力有限公司 | Prefabricated sheet pile assembled connection structure's fan foundation and wind generating set |
-
2021
- 2021-11-26 CN CN202111426074.8A patent/CN114108600B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205134353U (en) * | 2015-11-17 | 2016-04-06 | 西安建筑科技大学 | Prevent frostbite and pull out and melt a heavy assembly type ventilation stake foundation structure |
| CN206752446U (en) * | 2017-05-19 | 2017-12-15 | 青岛瑞源工程集团有限公司 | A kind of prefabricated sheet pile |
| CN210797533U (en) * | 2019-07-16 | 2020-06-19 | 武汉谦诚桩工科技股份有限公司 | Assembled prestressing force underground continuous wall structure |
| CN110747903A (en) * | 2019-10-28 | 2020-02-04 | 湖北建科国际工程有限公司 | Porous frame bridge and assembling construction method thereof |
| CN111851567A (en) * | 2020-08-20 | 2020-10-30 | 天津大学 | Wind power foundation newly built or expanded on soft foundation shallow covering layer and construction method thereof |
| CN112854288A (en) * | 2021-03-11 | 2021-05-28 | 同济大学建筑设计研究院(集团)有限公司 | Fan cylindrical foundation consisting of underground continuous walls and construction method |
| CN216428232U (en) * | 2021-11-26 | 2022-05-03 | 华能清能通榆电力有限公司 | Prefabricated sheet pile assembled connection structure's fan foundation and wind generating set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114108600A (en) | 2022-03-01 |
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