CN103114604B - Prestressed concrete tubular type wind generating set foundation - Google Patents
Prestressed concrete tubular type wind generating set foundation Download PDFInfo
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- CN103114604B CN103114604B CN201310073665.0A CN201310073665A CN103114604B CN 103114604 B CN103114604 B CN 103114604B CN 201310073665 A CN201310073665 A CN 201310073665A CN 103114604 B CN103114604 B CN 103114604B
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Abstract
The invention belongs to tower frame foundations supporting wind generating sets, and discloses a prestressed concrete tubular type wind generating set foundation. The prestressed concrete tubular type wind generating set foundation is characterized in that a foundation concrete cushion layer (8) is built on the bottom surface of a base structure bearing pit body with big end up, a tubular type concrete body (1) is arranged on the foundation concrete cushion layer (8), anchor bolts (3) penetrate through the inner portion of the tubular type concrete body (1) up and down, the upper ends of the anchor bolts (3) are connected with template rings (9), the lower ends of the anchor bolts (3) are fixed on bottom rings (4), bottom portion leveling foundation bolts (7) are arranged below the bottom rings (4), and the lower ends of the leveling foundation bolts (7) are connected with the foundation concrete cushion layer (8). The prestressed concrete tubular type wind generating set foundation is good in manufacturability and fast in construction, and aims to overcome the defects of the prior art and improve economic profit.
Description
Technical field
The invention belongs to and support wind-power generating unit tower basis, is a kind of prestressed concrete cylinder type foundation of wind-driven generator unit.
Background technology
In recent years, China's wind power engineering is built like a raging fire, the foundation structure supporting wind-power generating unit tower adopts spread footing or pile foundation with reference to high-rise structures foundation structure, its method for designing is ripe, easy construction, but bear 360 ° of direction reloadings and the stressed particularity of large eccentricity because Wind turbines basis has, and increase gradually along with single-machine capacity, the limitation of conventional base appears gradually: 1. in order to bear blower fan large eccentricity load, basis build constantly increases, and engineering quantity sharply increases; 2. in order to ensure the globality on basis, require that concrete in mass one-time-concreting completes, construction temperature crack is difficult to control; 3. the foundation construction cycle lengthens.
Summary of the invention
The object of this invention is to provide the prestressed concrete cylinder type foundation of wind-driven generator unit that a kind of good manufacturability, speed of application are fast, to overcome the deficiencies in the prior art, increase economic efficiency.
Main technical schemes of the present invention: a kind of prestressed concrete cylinder type foundation of wind-driven generator unit, it is characterized in that: build base concrete bed course in body bottom surface, up big and down small foundation structure carrying hole, cylinder type concrete bodies is positioned on base concrete bed course, inside is run through up and down anchor bolt, anchor bolt upper end is connected with template ring, anchor bolt lower end is fixed on base ring, base ring arranged beneath has bottom leveling stone bolt, and leveling stone bolt lower end is connected with base concrete bed course.
Described cylinder type concrete bodies outer wall is the zinc-plated ripple steel cylinder of tubular, coaxial with cylinder type concrete bodies, is covered with concrete outside zinc-plated ripple steel cylinder.
Described anchor bolt appearance is close to attachment, and its effect one isolation anchor bolt and cylinder type concrete bodies, make anchor bolt realize post tensioning, and effect two protection anchor bolt prevents corrosion.
Described attachment or individual layer or bilayer, internal layer and anchor bolt bond strength strong, outer low with internal layer bond strength.Outer can not affect internal layer diaphragm with damaging when being subject to the outer wall effect of cylinder type concrete bodies.
Described bottom leveling stone bolt is install planeness adjustment component, and its effect is the planeness of the cage body regulating anchor bolt, base ring, template ring to be assembled into, and this cage body is fixed in support.
Described template ring is metal material, is circular ring structure, has good planeness, it arranges through hole, through hole becomes circle-shaped and to be evenly arranged on template ring and corresponding with anchor bolt in cylinder type concrete bodies structure, and after high-strength concrete has been built, template ring is laid down.
Template ring and cylinder type concrete bodies have high-strength concrete between plane, and high-strength concrete is the back-grouting concrete of cylinder type concrete bodies end face, and its end face is directly connected with top blower fan tower barrel, and end face flatness requirement is not more than 2.0mm.
The cylinder type of a hollow space is had centered by described cylinder type concrete bodies, can filling backfill or concrete in hollow space; Shaping by template inside cylinder type concrete bodies, template is dismantled after cylinder type concreting completes.
Described base ring is metal ring structure, is embedded in cylinder type concrete bodies, it arranges through hole, and through hole becomes circle-shaped and is evenly arranged on base ring, and corresponding with anchor bolt.
Advantage of the present invention: 1. adopt the principle making full use of native side drag, invented cylinder type foundation pattern, adopted pre-tension technology to make concrete be in preloading condition, effectively reduces concrete and steel project, reduces construction investment; 2. invented the anchor bolt that this foundation pattern is special, can better meet prestressed stretch-draw to intensity and ductile requirement, stress performance is better, and reliability is higher; 3. invented the attachment being close to anchor bolt, good performance can have been had in anticorrosion; 4. invented leveling bracing or strutting arrangement, support anchor bolt cage body structure and be convenient to leveling, construction technology is fast easy, reduces the machine-team of hanging device, reduce further construction investment; 5. template ring has been invented, leveling also completes after high-strength concrete builds, template ring disassembles, one of its effect is the globality ensureing anchor bolt basket structure in work progress, two of effect ensures that the planeness of backfill high-strength concrete backfill end face meets the requirement of blower fan producer pylon installation, after backfill high-strength concrete reaches design strength, directly can place tower cylinder and install, change the drawback of crane longevity of service when tower cylinder is installed, construction technique is convenient; 6. invented inside cylinder type concrete 1 shaping by template, template is dismantled after cylinder type concreting completes, and masterplate can reuse, and reduces construction investment; 7. above-mentioned every invention can reduce construction investment about 10%.
Accompanying drawing explanation
Below in conjunction with example figure, the invention will be further described:
Fig. 1 is embodiment of the present invention prestressed concrete cylinder type foundation of wind-driven generator unit structure chart;
Fig. 2 is the A-A cut-away view of Fig. 1.
In figure, 1, cylinder type concrete bodies; 2, concrete; 3, anchor bolt; 4, base ring; 5, zinc-plated ripple steel cylinder; 6, attachment; 7, bottom leveling stone bolt; 8, base concrete bed course; 9, template ring; 10, high-strength concrete.
Detailed description of the invention
As shown in Figure 1, a kind of prestressed concrete cylinder type column footings, it is characterized in that: build base concrete bed course 8 in body bottom surface, up big and down small foundation structure carrying hole, cylinder type concrete bodies 1 is positioned on bed course 8, inside is run through up and down anchor bolt 3, and anchor bolt 3 upper end is connected with template ring 9, and anchor bolt 3 lower end is fixed on base ring 4, base ring 4 arranged beneath has leveling stone bolt 7, and leveling stone bolt 7 lower end is connected with base concrete bed course 8.
Cylinder type concrete bodies 1 outer wall is the zinc-plated ripple steel cylinder 5 of tubular, coaxial with cylinder type concrete bodies 1, is covered with concrete 2 outside zinc-plated ripple steel cylinder 5.
As shown in Figure 2, its appearance of anchor bolt 3 is close to attachment 6, and its effect one isolation anchor bolt 3 of attachment 6 and cylinder type concrete 1, make anchor bolt 3 realize post tensioning, effect two protection anchor bolt 3 prevents corrosion.
Attachment 6 or individual layer or bilayer, internal layer and anchor bolt 3 bond strength strong, outer low with internal layer bond strength.Outer can not affect internal layer diaphragm with damaging when being subject to cylinder type concrete bodies 1 outer wall effect.
To ensure to damage diaphragm when certainly cylinder type concrete bodies 1 outer wall effect being subject to for individual layer attachment 6.
Bottom leveling stone bolt 7 is installation planeness adjustment component, and its effect is exactly the planeness of the cage body regulating anchor bolt 3, base ring 4, template ring 9 to be assembled into, and this cage body is fixed in support, and its advantage is easy to operate, reduces the work machine-team of crane; Template ring 9 is the circular ring structure of metal material, have good planeness, it arranges through hole, through hole becomes circle-shaped and to be evenly arranged on template ring and corresponding with the anchor bolt 3 in cylinder type concrete bodies 1, after high-strength concrete has been built, template ring can be laid down.Its effect ensures that the planeness of backfill high-strength concrete backfill end face meets the installation requirement of blower fan producer, backfill after high-strength coagulation reaches design strength, directly can place tower cylinder to install, change the drawback of crane longevity of service when tower cylinder is installed, easier for installation.
Template ring 9 and cylinder type concrete bodies 1 there is high-strength concrete 10 between plane, high-strength concrete 10 is back-grouting concrete of cylinder type concrete 1 end face, its end face is directly connected with top blower fan tower barrel, and end face flatness requirement is not more than 2.0mm, needs to rely on template ring 9 to realize.
The cylinder type of a hollow space is had centered by cylinder type concrete bodies 1, can filling backfill or concrete in hollow space.
Shaping by template inside cylinder type concrete bodies 1, template is dismantled after cylinder type concreting completes.
Base ring 4 is metal ring structure, is embedded in cylinder type concrete bodies 1, it arranges through hole, and through hole becomes circle-shaped and is evenly arranged on base ring, and corresponding with anchor bolt 3.
The present invention is applicable to support the immobilizing foundation of such as wind-power generating unit tower etc., and cylinder type concrete bodies is by zinc-plated ripple steel cylinder and sizing removable form sheet metal forming; Anchor bolt (attached to thing outward) and base ring are fixed as one, and are cast in cylinder type concrete, carry out anchor bolt stretch-draw process after concreting, make cylinder type concrete be in preloading condition, effectively reduce concrete and steel project; Invent the anchor bolt that this foundation pattern is special, prestressed stretch-draw can have been better met to intensity and ductile requirement, good superiority can be had in anticorrosion again; Invented leveling bracing or strutting arrangement, supported anchor bolt basket structure and be convenient to leveling, easy construction is quick, reduces the machine-team of hanging device, reduce further construction investment; Invent template ring, leveling also completes after high-strength concrete builds, template ring disassembles, ensure the globality of anchor bolt basket structure in work progress, and more easily ensure that the planeness of high-strength concrete backfill end face meets the installation requirement of blower fan producer, backfill after high-strength coagulation reaches design strength, directly can place tower cylinder and install, change the drawback of crane longevity of service when tower cylinder is installed, easier for installation.
The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (4)
1. a prestressed concrete cylinder type foundation of wind-driven generator unit, it is characterized in that: build base concrete bed course (8) in body bottom surface, up big and down small foundation structure carrying hole, cylinder type concrete bodies (1) is positioned on base concrete bed course (8), inside is run through up and down anchor bolt (3), anchor bolt (3) upper end is connected with template ring (9), anchor bolt (3) lower end is fixed on base ring (4), base ring (4) arranged beneath has bottom leveling stone bolt (7), leveling stone bolt (7) lower end is connected with base concrete bed course (8), described cylinder type concrete bodies (1) outer wall is the zinc-plated ripple steel cylinder (5) of tubular, coaxial with cylinder type concrete bodies (1), is covered with concrete (2) outside zinc-plated ripple steel cylinder (5), described anchor bolt (3) appearance is close to attachment (6), and its effect one isolation anchor bolt (3) and cylinder type concrete bodies (1), make anchor bolt (3) realize post tensioning, and effect two protection anchor bolt (3) prevents corrosion, described attachment (6) or individual layer or bilayer, internal layer and anchor bolt (3) bond strength strong, outer low with internal layer bond strength, skin damages when being subject to cylinder type concrete bodies (1) outer wall effect can not affect internal layer diaphragm, described bottom leveling stone bolt (7) is install planeness adjustment component, and its effect is the planeness of the cage body regulating anchor bolt (3), base ring (4), template ring (9) to be assembled into, and this cage body is fixed in support, described base ring (4) is metal ring structure, is embedded in cylinder type concrete bodies (1), it arranges through hole, and through hole becomes circle-shaped and is evenly arranged on base ring, and corresponding with anchor bolt (3).
2. a kind of prestressed concrete cylinder type foundation of wind-driven generator unit according to claim 1, it is characterized in that: described template ring (9) is metal material, for circular ring structure, there is good planeness, it arranges through hole, through hole becomes circle-shaped and to be evenly arranged on template ring and corresponding with anchor bolt (3) in cylinder type concrete bodies (1) structure, and after high-strength concrete has been built, template ring is laid down.
3. a kind of prestressed concrete cylinder type foundation of wind-driven generator unit according to claim 1, it is characterized in that: between template ring (9) and the upper plane of cylinder type concrete bodies (1), have high-strength concrete (10), high-strength concrete (10) is the back-grouting concrete of cylinder type concrete bodies (1) end face, its end face is directly connected with top blower fan tower barrel, and end face flatness requirement is not more than 2.0mm.
4. a kind of prestressed concrete cylinder type foundation of wind-driven generator unit according to claim 1, is characterized in that: the cylinder type having a hollow space centered by described cylinder type concrete bodies (1), can filling backfill or concrete in hollow space; Cylinder type concrete bodies (1) inner side template is shaping, and template is dismantled after cylinder type concreting completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310073665.0A CN103114604B (en) | 2012-03-09 | 2013-03-08 | Prestressed concrete tubular type wind generating set foundation |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060457 | 2012-03-09 | ||
| CN2012100604572 | 2012-03-09 | ||
| CN201210060457.2 | 2012-03-09 | ||
| CN201310073665.0A CN103114604B (en) | 2012-03-09 | 2013-03-08 | Prestressed concrete tubular type wind generating set foundation |
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| CN103114604A CN103114604A (en) | 2013-05-22 |
| CN103114604B true CN103114604B (en) | 2015-04-22 |
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| CN201310073665.0A Active CN103114604B (en) | 2012-03-09 | 2013-03-08 | Prestressed concrete tubular type wind generating set foundation |
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|---|---|---|---|---|
| CN105735338B (en) * | 2014-12-09 | 2017-12-29 | 河南省电力勘测设计院 | Prestressing force assembly type blower foundation |
| CN104631488B (en) * | 2015-01-26 | 2016-08-24 | 广东省建筑工程集团有限公司 | A kind of proton beam accelerator pre-buried substrate high accuracy mounting technique |
| CN105002924A (en) * | 2015-08-03 | 2015-10-28 | 瑞风能源（武汉）工程技术有限公司 | Hollow ground anchor cage base |
| CN105239593A (en) * | 2015-10-20 | 2016-01-13 | 中国科学院武汉岩土力学研究所 | Assembled pre-stressed anchor cable wind turbine foundation system and construction method thereof |
| CN105862902B (en) * | 2016-04-07 | 2017-12-15 | 江苏金海新能源科技有限公司 | Steel concrete nesting composite tube foundation structure and its construction equipment and construction method |
| CN107514007B (en) * | 2017-10-13 | 2023-06-09 | 浙江运达风电股份有限公司 | Multi-thorn foundation for wind generating set and construction method thereof |
| CN108396767A (en) * | 2018-05-21 | 2018-08-14 | 中国地质大学（武汉） | A kind of post-tensioned prestressing tubulose fan foundation structure can be used for soft clay area |
| CN109113089A (en) * | 2018-10-19 | 2019-01-01 | 吴修玲 | It is a kind of to wave damping device with what basic ring type basis connected applied to Latticed Towers pedestal |
| ES2761748A1 (en) * | 2018-11-19 | 2020-05-20 | Nabrawind Tech Sl | Foundation for a wind turbine tower (Machine-translation by Google Translate, not legally binding) |
| CN109797787A (en) * | 2019-03-06 | 2019-05-24 | 中国电建集团北京勘测设计研究院有限公司 | A kind of levelling device adjusting the relative settlement of runtime wind driven generator base |
| CN115467363B (en) * | 2022-08-05 | 2024-04-30 | 中国电建集团华东勘测设计研究院有限公司 | Buried structure and construction mode convenient for installation and adjustment of large-scale unit volute drain disc valve |
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| JPH08209721A (en) * | 1995-02-03 | 1996-08-13 | Nippon Chuzo Kk | Column base fixing structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10226996B4 (en) * | 2001-10-09 | 2014-07-03 | Aloys Wobben | Method for creating a foundation, in particular for a tower of a wind energy plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08209721A (en) * | 1995-02-03 | 1996-08-13 | Nippon Chuzo Kk | Column base fixing structure |
| JP2004183347A (en) * | 2002-12-04 | 2004-07-02 | Yujiro Inaba | Pipe line installation method for columnar article and load introduction reinforcement foundation |
| CN1965165A (en) * | 2004-04-02 | 2007-05-16 | 艾劳埃斯·乌本 | Method for erecting a tower |
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| CN103114604A (en) | 2013-05-22 |
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Address after: 710065 Shaanxi Province, Xi'an City Road eight No. 18 Applicant after: POWERCHINA NORTHWEST ENGINEERING Co.,Ltd. Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Applicant before: NORTHWEST HYDRO CONSULTING ENGINEERS, CHECC Address after: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Applicant after: NORTHWEST HYDRO CONSULTING ENGINEERS, CHECC Address before: 710065 Shaanxi Province, Xi'an City Road eight No. 18 survey and Design Institute of the northwest department of science and technology Applicant before: Northwest Hydro Consulting Engineers, CHECC |
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