CN105909477B - A kind of transition section structure of connection steel tower tube and prestressed concrete tower cylinder - Google Patents
A kind of transition section structure of connection steel tower tube and prestressed concrete tower cylinder Download PDFInfo
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- CN105909477B CN105909477B CN201610246865.5A CN201610246865A CN105909477B CN 105909477 B CN105909477 B CN 105909477B CN 201610246865 A CN201610246865 A CN 201610246865A CN 105909477 B CN105909477 B CN 105909477B
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- concrete
- annular
- flange
- backup pad
- prestressing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 71
- 239000010959 steel Substances 0.000 title claims abstract description 71
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 12
- 230000007704 transition Effects 0.000 title claims abstract description 12
- 239000004567 concrete Substances 0.000 claims abstract description 78
- 210000003205 muscle Anatomy 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 238000004873 anchoring Methods 0.000 claims description 8
- 210000002435 tendon Anatomy 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 3
- 241000233855 Orchidaceae Species 0.000 claims 1
- 238000000338 in vitro Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 7
- 238000001727 in vivo Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- Y02E10/728—Onshore wind turbines
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a kind of transition section structure of connection steel tower tube and prestressed concrete tower cylinder, including the first and second connection steel cylinder, annular backup pad, concrete segments；Steel tower tube connect steel cylinder connection by first flange with first, and the first connection steel cylinder connect steel cylinder connection by second flange with second, and the second connection steel cylinder is connect by annular backup pad with concrete segment, and concrete segment is connect with concrete tower；Prestressing with bond muscle and external prestressing steels, which are taken up in order of priority, to be anchored in second flange, annular backup pad is welded under with inner annular anchor plate and outer annular anchor plate, it is equipped with ribs between second flange and annular backup pad, vertical reinforcing plate is circumferentially equipped between inside and outside portion's annular anchor plate.The present invention solves the problems, such as that the prestressing with bond muscle that concrete tower is easy cracking and is anchored at outside tower is difficult in maintenance.
Description
Technical field
The present invention relates to the technical field of blower fan pylon, a kind of connection steel tower tube and prestressed concrete tower cylinder are referred in particular to
Transition section structure.
Background technology
Wind energy is a kind of renewable and clean energy resource, and storage level is big, is the new energy type that current world community falls over each other exploitation
One of formula.Currently, wind power generating set is intended to high-power, enough hub heights are needed to obtain more wind energies, in
It is for supporting the tower height of wind power generating set also higher and higher.Meanwhile as impeller diameter increases, the load of wind load generation
Lotus is also increasing so that tower weight is increasing.With the development of wind generating technology, there is concrete-steel combination
Pylon is erected at existing steel tower on concrete tower to improve wind wheel height.
In the prior art using the stretch-draw anchor for carrying out presstressed reinforcing steel directly on the flange contacted with top of concrete, open
It is be easy to cause regional area concrete stress concentration during drawing, leads to concrete rupture.
The position of prestressing with bond muscle stretch-draw anchor is in the outside of tower in the prior art, if presstressed reinforcing steel is sent out in use
Raw relaxation needs to pre-tighten or presstressed reinforcing steel is pulled off and needs replacing, and maintenance personnel needs to carry out operation outside tower, to dimension
Shield personnel bring big inconvenience and personal safety hidden danger.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of connection steel tower tube and prestressed concrete towers
The transition section structure of cylinder can effectively solve the prestressing with bond muscle that concrete tower is easy cracking and is anchored at outside tower
Problem difficult in maintenance.
To achieve the above object, technical solution provided by the present invention is：A kind of connection steel tower tube and prestressed concrete
The transition section structure of tower, including the first connection steel cylinder and second that upper and lower two sections of central axis overlap and radius is consistent connect
Steel cylinder and first flange, second flange, annular backup pad, concrete segment；The steel tower tube is connect by first flange with first
The top surface of steel cylinder connects, and the first connection steel cylinder connect steel cylinder connection, the second connection steel by second flange with second
Cylinder is connect by annular backup pad with concrete segment, and the concrete segment is connect with concrete tower, and the concrete tower is solid
It is scheduled in the concrete foundation on ground；Anchoring is taken up in order of priority in the second flange prestressing with bond muscle and external prestressing
Muscle, close to the barrel of the first connection steel cylinder, the anchorage point of the external prestressing steels is remote for the anchorage point of the prestressing with bond muscle
Barrel from the first connection steel cylinder；The annular backup pad connects with the top surface of concrete segment, is welded below the annular backup pad
Have inner annular anchor plate and outer annular anchor plate, the central axis of the inside and outside annular anchor plate with above-mentioned first,
The central axis of second connection steel cylinder overlaps, wherein the interior side ring surface of the radius of inner annular anchor plate and annular backup pad half
Diameter is consistent, and the radius of outer annular anchor plate is consistent with the outside annulus radius of annular backup pad, on the annular backup pad
Multiple concrete grouting holes are circumferentially offered, by concrete grouting hole to fill concrete between two annular anchor plates；
The ribs of interlaced arrangement is equipped between the second flange and annular backup pad, ribs divides second flange and concrete segment
It opens；Multiple vertical reinforcing plates have been uniformly arranged along the circumference between the inner annular anchor plate and outer annular anchor plate,
The top surface of vertical reinforcing plate is connect with annular backup pad, side and respective inner annular anchor plate or outer annular
Anchor plate connects；Multiple prestressing with bond ducts and external prestressing hole are equipped in the second flange and annular backup pad
Road, the prestressing with bond muscle pass through corresponding prestressing with bond duct on second flange and annular backup pad to enter concrete segment
In, and pass through the concrete segment and concrete tower to be connected in concrete foundation down；The external prestressing steels pass through the
Corresponding external prestressing duct, is pierced by from concrete segment and is connected to concrete foundation on two flanges and annular backup pad
In.
The bottom surface of the annular backup pad, which is equipped with, extends downwardly into anchor bar in concrete segment, and the anchor bar with
Concrete segment is integral admittedly.
It is each on the inner annular anchor plate and the opposite plate face of outer annular anchor plate even steel anchor bolt to be housed.
It is formed with circular conical surface between the internal face and the internal face of concrete segment of the inner annular anchor plate.
Muscle hole being worn equipped with prestressing with bond in the concrete segment and external prestressing wearing muscle hole, which wears muscle
Internal muscle built-in steel sleeve is equipped in hole, which, which wears, is equipped with external tendon built-in steel sleeve in muscle hole.
Compared with prior art, the present invention having the following advantages that and advantageous effect：
The present invention is multiple circumferentially equal by being arranged between concrete segment top surface and the second flange of anchoring prestress muscle
The ribs of cloth separates in presstressed reinforcing steel anchoring face with top of concrete, and optimizing stress distribution and stress transfer path, reduction are answered
Tension of prestressed tendon anchoring destruction caused by concrete caused by power is concentrated；Meanwhile internal and external presstressed reinforcing steel being all provided with
It sets inside tower, consequently facilitating the later stage safeguards presstressed reinforcing steel, reduces O＆M cost.
Description of the drawings
Fig. 1 is transition section structure schematic diagram.
Fig. 2 is changeover portion assembling schematic diagram.
Fig. 3 is that changeover portion pours into a mould the assembling schematic diagram after concrete.
Fig. 4 is the A-A sectional views of Fig. 3.
Specific implementation mode
The present invention is further explained in the light of specific embodiments.
As shown in Figures 1 to 4, the changeover portion knot of the connection steel tower tube described in the present embodiment and prestressed concrete tower cylinder
Structure, including the first connection steel cylinder 3 and second that upper and lower two sections of central axis overlap and radius is consistent connect steel cylinder 12 and first
Flange 2, second flange 4, annular backup pad 8, prestressing with bond muscle 14, external prestressing steels 13, concrete segment 15；The head tower
The top surface connection that cylinder 1 connect steel cylinder 3 by first flange 2 with first, described first, which connects steel cylinder 3, passes through second flange 4 and the
Two connection steel cylinders 12 connect, and the second connection steel cylinder 12 is connect by annular backup pad 8 with concrete segment 15, the concrete
Section 15 is connect with concrete tower 26, and the concrete tower 26 is fixed in the concrete foundation on ground；It is described to answer in advance in vivo
Power muscle 14 and external prestressing steels 13, which are taken up in order of priority, to be anchored in second flange 4, and the anchorage point of the prestressing with bond muscle 14 leans on
The barrel of nearly first connection steel cylinder 3, the anchorage point of the external prestressing steels 13 is far from the barrel of the first connection steel cylinder 3；It is described
Annular backup pad 8 connects with the top surface of concrete segment 15, which is welded under with 16 He of inner annular anchor plate
The central axis of outer annular anchor plate 17, the inside and outside annular anchor plate 16,17 connect steel cylinder with above-mentioned first, second
3,12 central axis overlaps, wherein the inside annulus radius one of the radius of inner annular anchor plate 16 and annular backup pad 8
It causes, the radius of outer annular anchor plate 17 is consistent with the outside annulus radius of annular backup pad 8, on the annular backup pad 8
Multiple concrete grouting holes 5 are circumferentially offered, coagulation is filled between two annular anchor plates by concrete grouting hole 5
Soil；Ribs 7 equipped with interlaced arrangement improves the rigidity of second flange 4 between the second flange 4 and annular backup pad 8,
Meanwhile ribs 7 separates the second flange 4 of anchoring prestress muscle and concrete segment 15, answering when can reduce stretch-draw anchor
Power is concentrated；It has been uniformly arranged along the circumference between the inner annular anchor plate 16 and outer annular anchor plate 17 several vertical
The top surface of reinforcing plate 20, all vertical reinforcing plates 20 is connect with annular backup pad 8, the side of the vertical reinforcing plate of a part 20 with
Inner annular anchor plate 16 connects, and the side of the vertical reinforcing plate of another part 20 is connect with outer annular anchor plate 17；The
Two flanges 4 are equipped with multiple prestressing with bond ducts 18 and external prestressing duct 19, meanwhile, annular backup pad 8 is equipped with more
A 19 one-to-one prestressing with bond duct 6 of prestressing with bond duct 18 and external prestressing duct in second flange 4
With external prestressing duct 27, the prestressing with bond muscle 14 passes through corresponding pre- in vivo on second flange 4 and annular backup pad 8
Stress duct 18 enters in concrete segment 15, and passes through the concrete segment 15 and concrete tower 26 to be connected to coagulation soil matrix down
In plinth；The external prestressing steels 13 pass through corresponding external prestressing duct 19 on second flange 4 and annular backup pad 8, from
It is pierced by and is connected in concrete foundation in concrete segment 15.
The bottom surface of annular backup pad 8 is equipped with the anchor bar 11 extended downwardly into concrete segment 15, and the anchor bar
11 are integral admittedly with concrete segment 15, can improve the globality of changeover portion, while can be with resist torque and shearing force.
On inner annular anchor plate 16 and the opposite plate face of outer annular anchor plate 17 it is each it is even steel anchor bolt 9 is housed, carry
The overall stiffness of high changeover portion improves Path of Force Transfer and the stress distribution of concrete, avoids stress distribution uneven and stress
It concentrates.
It is formed with circular conical surface 22 between the internal face 21 of inner annular anchor plate 16 and the internal face 23 of concrete segment 15,
It can be to avoid stress concentration.
Muscle hole 28 being worn equipped with prestressing with bond in the concrete segment 15 and external prestressing wearing muscle hole 29, this is answered in advance in vivo
Power wears and is equipped with internal muscle built-in steel sleeve 24 in muscle hole 28, which, which wears, is equipped with external tendon pre-buried steel in muscle hole 29
Sleeve 25.
In conclusion the present invention is convenient for the later stage to pre- in vivo by being arranged presstressed reinforcing steel anchorage point inside tower
Stress rib is safeguarded, maintenance cost is reduced；Tension of prestressed tendon anchorage point passes through ribs far from top of concrete, centre
Connection can make the power that upper steel tower generates be transmitted to prestressing force structure by connecting steel cylinder and flange using this structure
Part improves stress distribution, and stress concentration when reducing stretching prestressed component anchoring causes concrete local stress excessive
The problem of, the rupture that stretch-draw anchor causes concrete is also avoided, is worthy to be popularized.
Embodiment described above is only the preferred embodiments of the invention, and but not intended to limit the scope of the present invention, therefore
Change made by all shapes according to the present invention, principle, should all cover within the scope of the present invention.
Claims (5)
1. a kind of transition section structure of connection steel tower tube and prestressed concrete tower cylinder, it is characterised in that：Including in upper and lower two sections
The the first connection steel cylinder and the second connection steel cylinder and first flange, second flange, annular brace that mandrel line overlaps and radius is consistent
Plate, concrete segment；The top surface that the steel tower tube connect steel cylinder by first flange with first connects, and the first connection steel cylinder is logical
It crosses second flange and connect steel cylinder connection with second, the second connection steel cylinder is connect by annular backup pad with concrete segment, institute
It states concrete segment to connect with concrete tower, the concrete tower is fixed in the concrete foundation on ground；Second method
Anchoring is taken up in order of priority on orchid prestressing with bond muscle and external prestressing steels, and the anchorage point of the prestressing with bond muscle is close to first
The barrel of steel cylinder is connected, the anchorage point of the external prestressing steels is far from the barrel of the first connection steel cylinder；The annular backup pad
Connect with the top surface of concrete segment, which is welded under with inner annular anchor plate and outer annular anchoring steel
Plate, the central axis coincidence that the central axis of the inside and outside annular anchor plate connect steel cylinder with above-mentioned first, second, wherein in
The radius of portion's annular anchor plate is consistent with the inside annulus radius of annular backup pad, the radius and ring of outer annular anchor plate
The outside annulus radius of shape support plate is consistent, and multiple concrete grouting holes are circumferentially offered on the annular backup pad, are passed through
Concrete grouting hole is to fill concrete between two annular anchor plates；It is equipped with and hands between the second flange and annular backup pad
The ribs of mistake arrangement, ribs separate second flange and concrete segment；The inner annular anchor plate and outer annular
Multiple vertical reinforcing plates have been uniformly arranged along the circumference between anchor plate, the top surface of vertical reinforcing plate is connect with annular backup pad,
Its side is connect with respective inner annular anchor plate or outer annular anchor plate；The second flange and annular are propped up
Be equipped with multiple prestressing with bond ducts and external prestressing duct on fagging, the prestressing with bond muscle pass through second flange and
Corresponding prestressing with bond duct enters in concrete segment on annular backup pad, and passes through the concrete segment and concrete towers down
Cylinder is connected in concrete foundation；The external prestressing steels pass through answers in advance in vitro accordingly on second flange and annular backup pad
Power duct, from being pierced by and be connected in concrete foundation in concrete segment.
2. the transition section structure of a kind of connection steel tower tube and prestressed concrete tower cylinder according to claim 1, feature
It is：The bottom surface of the annular backup pad, which is equipped with, extends downwardly into anchor bar in concrete segment, and the anchor bar with it is mixed
Solidifying soil section is integral admittedly.
3. the transition section structure of a kind of connection steel tower tube and prestressed concrete tower cylinder according to claim 1, feature
It is：It is each on the inner annular anchor plate and the opposite plate face of outer annular anchor plate even steel anchor bolt to be housed.
4. the transition section structure of a kind of connection steel tower tube and prestressed concrete tower cylinder according to claim 1, feature
It is：It is formed with circular conical surface between the internal face and the internal face of concrete segment of the inner annular anchor plate.
5. the transition section structure of a kind of connection steel tower tube and prestressed concrete tower cylinder according to claim 1, feature
It is：Muscle hole being worn equipped with prestressing with bond in the concrete segment and external prestressing wearing muscle hole, which wears muscle hole
Interior to be equipped with internal muscle built-in steel sleeve, which, which wears, is equipped with external tendon built-in steel sleeve in muscle hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246865.5A CN105909477B (en) | 2016-04-20 | 2016-04-20 | A kind of transition section structure of connection steel tower tube and prestressed concrete tower cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246865.5A CN105909477B (en) | 2016-04-20 | 2016-04-20 | A kind of transition section structure of connection steel tower tube and prestressed concrete tower cylinder |
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| Publication Number | Publication Date |
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| CN105909477A CN105909477A (en) | 2016-08-31 |
| CN105909477B true CN105909477B (en) | 2018-08-14 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640542A (en) * | 2016-10-08 | 2017-05-10 | 霍尔果斯新国金新能源科技有限公司 | Concrete tower cylinder module and bonding method thereof |
| CN106481515A (en) * | 2016-10-08 | 2017-03-08 | 霍尔果斯新国金新能源科技有限公司 | Concrete towers cartridge module and its method for stretching |
| CN113914700B (en) * | 2021-10-21 | 2022-11-01 | 重庆大学 | A kind of reinforcement structure and construction method for concrete transfer section of wind turbine |
| CN116906273B (en) * | 2023-07-24 | 2024-06-18 | 湖南大学 | Concrete-steel mixing tower section of thick bamboo changeover portion connecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005330675A (en) * | 2004-05-19 | 2005-12-02 | Sumitomo Mitsui Construction Co Ltd | Tower structure |
| DE102011001250A1 (en) * | 2011-03-14 | 2012-09-20 | Strabag Offshore Wind Gmbh | Apparatus and method for the transition between a steel tower section and a prestressed concrete tower section |
| CN202493386U (en) * | 2012-02-22 | 2012-10-17 | 阜新金胤新能源技术咨询有限公司 | External prestressing steel and concrete wind power tower |
| CN202500731U (en) * | 2012-02-22 | 2012-10-24 | 阜新金胤新能源技术咨询有限公司 | Internal prestressed steel-concrete wind power tower |
| CN202545137U (en) * | 2012-04-24 | 2012-11-21 | 阜新金胤新能源技术咨询有限公司 | Internally-prestressed planted bar connection type concrete wind power tower |
| CN103994034A (en) * | 2014-06-13 | 2014-08-20 | 湖南大学 | Connection device of prestress concrete and steel combination wind power generation tower |
| CN205638803U (en) * | 2016-04-20 | 2016-10-12 | 广东明阳风电产业集团有限公司 | A transition section structure connecting steel tower and prestressed concrete tower |
-
2016
- 2016-04-20 CN CN201610246865.5A patent/CN105909477B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005330675A (en) * | 2004-05-19 | 2005-12-02 | Sumitomo Mitsui Construction Co Ltd | Tower structure |
| DE102011001250A1 (en) * | 2011-03-14 | 2012-09-20 | Strabag Offshore Wind Gmbh | Apparatus and method for the transition between a steel tower section and a prestressed concrete tower section |
| CN202493386U (en) * | 2012-02-22 | 2012-10-17 | 阜新金胤新能源技术咨询有限公司 | External prestressing steel and concrete wind power tower |
| CN202500731U (en) * | 2012-02-22 | 2012-10-24 | 阜新金胤新能源技术咨询有限公司 | Internal prestressed steel-concrete wind power tower |
| CN202545137U (en) * | 2012-04-24 | 2012-11-21 | 阜新金胤新能源技术咨询有限公司 | Internally-prestressed planted bar connection type concrete wind power tower |
| CN103994034A (en) * | 2014-06-13 | 2014-08-20 | 湖南大学 | Connection device of prestress concrete and steel combination wind power generation tower |
| CN205638803U (en) * | 2016-04-20 | 2016-10-12 | 广东明阳风电产业集团有限公司 | A transition section structure connecting steel tower and prestressed concrete tower |
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| CN105909477A (en) | 2016-08-31 |
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Address after: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan Applicant after: MING YANG SMART ENERGY GROUP Co.,Ltd. Address before: 528437 Guangdong torch hi tech Industrial Development Zone, Torch Road, No. 22, Ming Yang Industrial Park, Zhongshan Applicant before: GUANGDONG MINGYANG WIND POWER INDUSTRY GROUP Co.,Ltd. |
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Effective date of registration: 20230703 Address after: No. 1, Xingfu Avenue, Advanced Manufacturing Development Zone, Shangcheng County, Xinyang City, Henan Province 465246 Patentee after: Henan Mingyang New Material Technology Engineering Co.,Ltd. Address before: 528437 Mingyang Industrial Park, No. 22 Torch Road, Torch High-tech Industrial Development Zone, Zhongshan City, Guangdong Province Patentee before: MING YANG SMART ENERGY GROUP Co.,Ltd. |