CN114753403A - Foundation structure of wind turbine generator set with large generation and small generation and construction method - Google Patents
Foundation structure of wind turbine generator set with large generation and small generation and construction method Download PDFInfo
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- CN114753403A CN114753403A CN202210516594.6A CN202210516594A CN114753403A CN 114753403 A CN114753403 A CN 114753403A CN 202210516594 A CN202210516594 A CN 202210516594A CN 114753403 A CN114753403 A CN 114753403A
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 239000002689 soil Substances 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000009415 formwork Methods 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 239000011150 reinforced concrete Substances 0.000 claims description 23
- 239000004567 concrete Substances 0.000 claims description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 5
- 238000007788 roughening Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
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- 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
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0046—Production methods using prestressing techniques
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Abstract
The invention provides a foundation structure of a large-generation small wind turbine generator and a construction method. The method comprises the following steps: t1: dismantling the original small-capacity wind turbine generator; t2: removing the covering soil on the upper part of the original foundation, and continuously excavating according to design requirements until the base of the fresh air motor unit is elevated; t3: chiseling the outer surface of the original wind turbine foundation until the steel bars are exposed; t4: cleaning a roughened surface, implanting vertical steel bars according to a design file, and embedding an anchor plate embedded part in a proper position; t5: arranging an anchor bolt assembly according to the position of the large-capacity wind turbine flange hole, and connecting the anchor bolt assembly with a bottom anchor plate; t6: and (4) supporting a formwork, and arranging foundation roof steel bars, platform column steel bars and the like according to the designed reinforcement area. The foundation structure of the large-generation and small-generation wind turbine generator set provided by the invention has the advantages of simple structure and strong bearing capacity, and has the advantages of cost saving and environmental friendliness in construction.
Description
Technical Field
The invention relates to the technical field of wind generating set foundations, in particular to a foundation structure of a large-generation small wind generating set and a construction method.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and finally outputs alternating current. The working principle of the wind driven generator is as follows: the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator is driven by the wind wheel shaft to rotate to generate electricity. In a broad sense, wind energy is also solar energy, so that the wind power generator is a heat energy utilization generator which uses solar energy as a heat source and uses the atmosphere as a working medium.
With continuous progress of wind power generation technology and grid-connected technology and continuous retirement of wind turbines in expired wind power plants, the capacity of the wind turbines in the wind power plants is also continuously increased, and long blades of high towers gradually become mainstream wind turbines. Some wind power plants originally adopt wind generating sets with lower capacity, the power generation requirement cannot be met due to the problems of site selection and the like, in order to solve the problem of low efficiency of the wind generating sets, the wind generating sets need to be replaced or higher tower barrels need to be replaced, so that larger load change can be brought, the original foundation structure cannot meet the safety, at present, people mostly dismantle the original foundation structure, and then construct a new foundation structure with higher load capacity, and the mode not only can generate a large amount of construction waste, but also has huge input manpower and material resources and is not economic and environment-friendly enough.
Therefore, it is necessary to provide a foundation structure of a large-generation and small-generation wind turbine and a construction method thereof to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a foundation structure form and a construction method of a large-generation small wind turbine generator. The foundation structure of the large-generation small wind turbine generator set is improved on the original basis, is simple and feasible, can ensure the sufficient bearing capacity of the new foundation, can save the cost and protect the environment, and solves the problem that the original foundation design cannot meet the requirements of the existing wind turbine generator set when the wind turbine generator set is large.
In order to solve the technical problem, the construction method of the foundation structure of the wind turbine generator with the large generation and the small generation, which is provided by the invention, comprises the following steps:
t1: dismantling the original small-capacity wind turbine generator;
t2: removing the covering soil on the upper part of the original foundation, and continuously excavating according to design requirements until the base of the fresh air motor unit is elevated;
t3: roughening the outer surface of the original wind turbine foundation until reinforcing steel bars are exposed;
t4: cleaning a roughened surface, implanting vertical steel bars according to a design file, and embedding an anchor plate embedded part at a proper position;
t5: arranging an anchor bolt assembly according to the position of a large-capacity wind turbine flange hole;
t6: supporting a formwork, and arranging reinforcing steel bars such as foundation top plate reinforcing steel bars, platform column reinforcing steel bars and the like according to the designed reinforcement area;
t7: pouring concrete with a strength grade higher than that of the original foundation on the outer surface of the roughened original wind turbine generator foundation to form a large reinforced concrete reinforcing body;
t8: penetrating a steel strand sleeve into a lead hole below the original foundation cushion layer;
t9: pouring concrete meeting the design requirement on strength;
t10: after the strength of the concrete meets the prestress tension piece, tensioning the steel strand bundle according to the calculated value to enable the steel strand bundle to reach the designed prestress value, injecting grouting material into the pipeline, and taking anti-corrosion measures at the anchorage device end;
t11: and after the strength of the foundation concrete reaches 100%, performing foundation soil covering, mounting a large-capacity wind turbine generator set and the like.
Preferably, in the T7, the strength grade of the concrete in the reinforced concrete reinforcing layer is not less than C40.
Preferably, in the T8, a prestressed steel strand bundle is threaded in the steel strand sleeve.
In order to solve the technical problems, the invention also provides a foundation structure of a large-generation small wind turbine generator, which comprises an original foundation and an original foundation cushion layer arranged at the lower part of the original foundation, wherein the original foundation is provided with an original column, an original foundation ring is arranged in the original column, the outer surface of the original foundation is a scabbed surface, the periphery of the original foundation is provided with an annular beam, the original foundation is provided with a plurality of embedded bars, a reinforced concrete reinforcing layer is poured on the original foundation, the reinforced concrete reinforcing layer and the annular beam are of an integral structure, the top ends of the plurality of embedded bars extend into the reinforced concrete reinforcing layer, the reinforced concrete reinforcing layer is provided with a new column, an anchor bolt assembly is arranged in the new column, and a plurality of steel stranded wire sleeves are arranged in the annular beam and the original foundation cushion layer.
Preferably, a bottom anchor plate embedded part is arranged in the new platform column, and the bottom of the anchor bolt assembly is fixedly connected with the bottom anchor plate embedded part.
Preferably, the bottom of the ring beam is provided with a ring beam cushion layer.
Preferably, a prestressed steel strand bundle is arranged in the steel strand sleeve.
Compared with the related technology, the foundation structure and the construction method of the wind turbine generator set with the large generation and the small generation provided by the invention have the following beneficial effects:
according to the construction method of the foundation structure of the large-generation small wind turbine generator, a new wind turbine generator foundation with higher bearing capacity is built through reliable connection and a series of technical measures under the condition that the premise of an old wind turbine generator foundation is not dismantled, so that the project cost can be effectively reduced, the generated construction waste can be reduced, and the resource waste and the environmental pollution can be effectively reduced.
The foundation structure of the large-generation small-generation wind turbine generator comprises the original foundation embedded steel bars, anchor bolt assemblies, a roughened surface, a reinforced concrete reinforcing layer, an annular beam and a plurality of steel strand sleeves.
Drawings
FIG. 1 is a front sectional view of a wind turbine infrastructure of the present invention;
FIG. 2 is a schematic plan view of a wind turbine infrastructure with large and small generations according to the present invention.
The reference numbers in the figures: 1. planting bars; 2. bottom anchor plate embedded parts; 3. an original foundation ring; 4. an anchor bolt assembly; 5. a reinforced concrete reinforcing layer; 6. chiseling a roughened surface; 7. an original foundation pad layer; 8. a ring beam pad layer; 9. a ring beam; 10. sleeving a steel strand; 11. outside the new foundation; 12. outside the original foundation; 13. a new pillar; 14. and (5) an original platform column.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
First embodiment
The first embodiment of the invention provides a construction method of a foundation structure of a wind turbine generator set in large and small generations, which comprises the following steps:
t1: dismantling the original small-capacity wind turbine generator;
t2: removing the covering soil on the upper part of the original foundation, and continuously excavating according to design requirements until the base of the fresh air motor unit is elevated;
t3: roughening the outer surface of the original wind turbine foundation until reinforcing steel bars are exposed;
t4: cleaning a roughened surface, implanting vertical steel bars according to a design file, and embedding an anchor plate embedded part in a proper position;
t5: arranging an anchor bolt assembly according to the position of the large-capacity wind turbine flange hole, and connecting the anchor bolt assembly with a bottom anchor plate;
t6: supporting a formwork, and arranging foundation top plate reinforcing steel bars, platform column reinforcing steel bars and the like according to the designed reinforcement area;
t7: pouring concrete with a strength grade higher than that of the original foundation on the outer surface of the roughened original wind turbine generator foundation to form a large reinforced concrete reinforcing body;
t8: adopting a tube drawing process, penetrating steel strand sleeves such as PP, PA, PE, PVC, ABS, POM, PMMA, PET, steel tubes and the like into a leading hole below an original foundation cushion layer, wherein the distance between the steel strand sleeves is 1500-2000 mm, and a prestressed steel strand bundle penetrates through the steel strand sleeve;
t9: pouring grouting material meeting the strength required by the design;
t10: after the strength of the concrete meets the prestress tension piece, the steel strand bundle is tensioned according to the calculated value to reach the designed prestress value, grouting material is injected into the pipeline, and an anchorage device end anticorrosion measure is made;
t11: and after the strength of the foundation concrete reaches 100%, performing foundation soil covering, mounting a large-capacity wind turbine generator set and the like.
Compared with the related technology, the construction method of the foundation structure of the wind turbine generator with the large generation and the small generation has the following beneficial effects:
on the premise of not dismantling the old wind turbine generator foundation, a wind turbine generator foundation with higher bearing capacity is built through reliable connection and a series of technical measures, so that the project cost can be effectively reduced, the generated construction waste can be reduced, and the resource waste and the environmental pollution can be effectively reduced.
Second embodiment:
the present embodiment provides a large-generation and small-generation wind turbine infrastructure, and a second embodiment of the present invention is further described below with reference to the accompanying drawings and implementation manners.
Please refer to fig. 1-2. Wherein, fig. 1 is a front view section of a wind turbine generator infrastructure with large generation and small generation provided by the present invention; FIG. 2 is a schematic plan view of a wind turbine infrastructure with large and small generations according to the present invention. In the embodiment, the foundation structure of the large-generation small wind turbine generator set comprises an original foundation and an original foundation cushion 7 which is originally constructed below the original foundation, the original foundation is provided with an original column 14, an original foundation ring 3 is embedded and fixed in the original column 14, the outer surface of the original foundation is roughened to form a roughened surface 6, a plurality of embedded bars 1 are arranged on the original foundation, a peripheral component of the original foundation is an annular beam cushion 8, an annular beam 9 and a reinforced concrete reinforcing layer 5 are poured on the upper portion of the annular beam cushion 8, the reinforced concrete reinforcing layer 5 and the annular beam 9 form an integrated reinforcing structure, the top ends of the embedded bars 1 extend into the reinforced concrete reinforcing layer 5, the reinforced concrete reinforcing layer 5 is provided with a new column 13 after being poured, the new column 13 wraps the original column 14, the radius of the new column 13 is equal to the radius of the original column 14 plus b, and referring to figure 2, the radius of the outer edge 11 of the new foundation is equal to the radius L of the outer edge 12 of the original foundation, meanwhile, L is the ring width of the ring-shaped beam 9, an anchor bolt assembly 4 is arranged in the new platform column 13, the anchor bolt assembly 4 is used for being fixedly connected with a bottom flange of a new generator, a plurality of steel strand sleeves 10 are arranged in the ring-shaped beam 9 and the original foundation cushion layer 7, referring to fig. 2, the steel strand sleeves 10 are distributed in a grid shape, the distance between the longitudinally distributed steel strand sleeves 10 is 1500-2000 mm, the distance between the transversely distributed steel strand sleeves 10 is 1500-2000 mm, a prestressed steel strand bundle is arranged in each steel strand sleeve 10, and the steel strand bundles are tensioned on the ring-shaped beam of the new foundation to apply pretension stress.
In this embodiment, in order to improve the firmness of the anchor bolt assembly 4, the bottom anchor plate embedded part 2 is arranged in the new pillar 13, and the bottom of the anchor bolt assembly 4 is fixedly connected with the bottom anchor plate embedded part 2.
In the embodiment, the contact area between the reinforced concrete reinforcing layer 5 and the original foundation is greatly increased through the roughened surface 6, the arrangement of the plurality of embedded bars 1 can enable the reinforced concrete reinforcing layer 5 to be formed with the existing concrete foundation, and the ring beam 9 is stably connected with the original foundation cushion layer 7 through the plurality of steel strand sleeves 10, so that the reinforced concrete reinforcing layer 5 is stably supported, and therefore, the new foundation has enough bearing capacity.
Compared with the related art, the wind turbine generator base structure with the large generation and the small generation provided by the invention has the following beneficial effects:
the invention provides a foundation structure of a large-generation small-generation wind turbine generator, which comprises an original foundation planting bar 1, an anchor bolt assembly 4, a scabbling surface 6, a reinforced concrete reinforcing layer 5, an annular beam 9 and a plurality of steel strand sleeves 10. The whole wind turbine is simple in structure and has enough bearing capacity, and the problem that the existing wind turbine cannot meet the requirements of the wind turbine in the original basic design in large generation is solved.
It should be noted that the device structure and the drawings of the present invention are mainly described with respect to the principle of the present invention, and the addition of a power mechanism, a power supply system, a control system, and the like based on the design principle is not completely described. Under the premise that the principle of the invention is understood by a person skilled in the art, a power mechanism, a power supply system and a control system can be added according to the requirement.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (7)
1. A construction method of a foundation structure of a wind turbine generator with a large generation and a small generation is characterized by comprising the following steps:
t1: dismantling the original small-capacity wind turbine generator;
t2: removing the covering soil on the upper part of the original foundation, and continuously excavating according to design requirements until the base of the fresh air motor unit is elevated;
t3: roughening the outer surface of the original wind turbine foundation until reinforcing steel bars are exposed;
t4: cleaning a roughened surface, implanting vertical steel bars according to a design file, and embedding an anchor plate embedded part in a proper position;
t5: arranging an anchor bolt assembly according to the position of a large-capacity wind turbine generator flange hole;
t6: supporting a formwork, and arranging reinforcing steel bars such as foundation top plate reinforcing steel bars, platform column reinforcing steel bars and the like according to the designed reinforcing steel bar area;
t7: pouring concrete with a strength grade higher than that of the original foundation on the outer surface of the roughened original wind turbine generator foundation to form a large reinforced concrete reinforcing body;
t8: a steel strand sleeve is penetrated through a leading hole below the original foundation cushion layer;
t9: pouring concrete meeting the strength required by the design;
t10: after the strength of the concrete meets the prestress tension piece, tensioning the steel strand bundle according to the calculated value to enable the steel strand bundle to reach the designed prestress value, injecting grouting material into the pipeline, and taking anti-corrosion measures at the anchorage device end;
t11: and after the strength of the foundation concrete reaches 100%, performing foundation soil covering, large-capacity wind turbine generator installation and the like.
2. The construction method of the foundation structure of the large and small generation wind turbine generator set according to claim 1, wherein in the T7, the strength grade of concrete in the reinforced concrete reinforcing layer is not lower than C40.
3. The construction method of the foundation structure of the large and small-generation wind turbine generator set according to claim 1, wherein a prestressed steel strand bundle is threaded in a steel strand sleeve in the T8.
4. A foundation structure of a large-generation small-generation wind turbine generator comprises an original foundation and an original foundation cushion layer (7) arranged at the lower part of the original foundation, wherein the original foundation is provided with an original column (14), an original foundation ring (3) is arranged in the original column (14), it is characterized in that the outer surface of the original foundation is processed into a scabbling surface (6), the periphery of the original foundation is provided with an annular beam (9), the original foundation is provided with a plurality of embedded bars (1), concrete is poured on the original foundation to form a reinforced concrete reinforcing layer (5), the reinforced concrete reinforcing layer (5) and the annular beam (9) are of an integral structure, the top ends of the embedded bars (1) extend into the reinforced concrete reinforcing layer (5), the reinforced concrete reinforcing layer (5) is provided with a new column (13), an anchor bolt assembly (4) is arranged in the new column (13), and a plurality of steel strand sleeves (10) are arranged in the annular beam (9) and the original foundation cushion layer (7).
5. The wind turbine foundation structure with large generation and small generation according to claim 4, wherein a bottom anchor plate embedded part (2) is arranged in the new platform column (13), and the bottom of the anchor bolt assembly (4) is fixedly connected with the bottom anchor plate embedded part (2).
6. Wind turbine generator infrastructure in big or small generations according to claim 4, characterised in that the bottom of the ring beam (9) is provided with a ring beam pad (8).
7. The wind turbine infrastructure in big or small generation according to claim 4, characterized in that a prestressed steel strand bundle is arranged in the steel strand sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210516594.6A CN114753403A (en) | 2022-05-12 | 2022-05-12 | Foundation structure of wind turbine generator set with large generation and small generation and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210516594.6A CN114753403A (en) | 2022-05-12 | 2022-05-12 | Foundation structure of wind turbine generator set with large generation and small generation and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341596A (en) * | 2022-09-21 | 2022-11-15 | 深圳市清华苑工程结构鉴定有限公司 | Implementation method for bilateral additional construction of slope-shaped independent foundation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100978097B1 (en) * | 2010-01-28 | 2010-08-25 | 현대산업개발 주식회사 | Structure for substructure strengthen non-destructive and methode there of |
| CN101994325A (en) * | 2010-12-22 | 2011-03-30 | 建研地基基础工程有限责任公司 | Reinforced foundation and method for improving bending and shearing resistance of existing building rigid foundation |
| CN109024661A (en) * | 2018-09-07 | 2018-12-18 | 中国电力工程顾问集团新能源有限公司 | Foundation of wind-driven generator unit hardened system |
| KR102205960B1 (en) * | 2019-09-30 | 2021-01-21 | 한국건설기술연구원 | Tower connection structure of foundation structure for partial repowering of new wind turbine, and construction method for the same |
| CN214329024U (en) * | 2020-12-18 | 2021-10-01 | 瑞风能源（武汉）工程技术有限公司 | Fan foundation reinforcing structure |
| CN113550348A (en) * | 2021-08-27 | 2021-10-26 | 华能赫章风力发电有限公司 | Land large-plate foundation anchor rod reinforcing structure, construction method and fan foundation structure |
| CN114000536A (en) * | 2021-11-30 | 2022-02-01 | 中国华能集团清洁能源技术研究院有限公司 | Large-pressure and small-pressure fan foundation structure and construction method |
-
2022
- 2022-05-12 CN CN202210516594.6A patent/CN114753403A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100978097B1 (en) * | 2010-01-28 | 2010-08-25 | 현대산업개발 주식회사 | Structure for substructure strengthen non-destructive and methode there of |
| CN101994325A (en) * | 2010-12-22 | 2011-03-30 | 建研地基基础工程有限责任公司 | Reinforced foundation and method for improving bending and shearing resistance of existing building rigid foundation |
| CN109024661A (en) * | 2018-09-07 | 2018-12-18 | 中国电力工程顾问集团新能源有限公司 | Foundation of wind-driven generator unit hardened system |
| KR102205960B1 (en) * | 2019-09-30 | 2021-01-21 | 한국건설기술연구원 | Tower connection structure of foundation structure for partial repowering of new wind turbine, and construction method for the same |
| CN214329024U (en) * | 2020-12-18 | 2021-10-01 | 瑞风能源（武汉）工程技术有限公司 | Fan foundation reinforcing structure |
| CN113550348A (en) * | 2021-08-27 | 2021-10-26 | 华能赫章风力发电有限公司 | Land large-plate foundation anchor rod reinforcing structure, construction method and fan foundation structure |
| CN114000536A (en) * | 2021-11-30 | 2022-02-01 | 中国华能集团清洁能源技术研究院有限公司 | Large-pressure and small-pressure fan foundation structure and construction method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115341596A (en) * | 2022-09-21 | 2022-11-15 | 深圳市清华苑工程结构鉴定有限公司 | Implementation method for bilateral additional construction of slope-shaped independent foundation |
| CN115341596B (en) * | 2022-09-21 | 2024-01-23 | 深圳市清华苑工程结构鉴定有限公司 | Implementation method for double-side additional construction of slope-shaped independent foundation |
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