CN103867019B - Assembling external prestressing RPC wind power tower - Google Patents
Assembling external prestressing RPC wind power tower Download PDFInfo
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- CN103867019B CN103867019B CN201410118654.4A CN201410118654A CN103867019B CN 103867019 B CN103867019 B CN 103867019B CN 201410118654 A CN201410118654 A CN 201410118654A CN 103867019 B CN103867019 B CN 103867019B
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Abstract
The present invention relates to a kind of assembling external prestressing RPC wind power tower, it comprises basis and some sections of tower cylinders, and described basis is reinforced concrete foundation, wherein pre-embedded foundation ring; Described every section of tower cylinder is built by RPC and is formed, in cone barrel; The inner side of each section of tower cylinder is longitudinally provided with some prestressed reinforcements; After described prestressed reinforcement stretch-draw, upper end is anchored at inside the upper surface of tower cylinder, lower end and discharge ring anchor connection.Described prestressed reinforcement is evenly equally spaced along tower cylinder inwall.The present invention is rational in infrastructure, low cost of manufacture, and be convenient to transport and assembling, supporting capacity is high, durability and crack resistance good, long service life, safeguards simple.
Description
Technical field
The invention belongs to wind power plant, particularly a kind of assembling external prestressing RPC wind power tower.
Background technology
At present, energy scarcity becomes the large problem that various countries face, and has driven the exploitation of wind technology.Wind-power electricity generation becomes the first-selection of world community man development new forms of energy strategy.Under the active support of the government, the wind-power electricity generation of China forms scale, and Wind turbines also toward development of maximizing, is also continuing to increase the demand of wind power tower.And wind power tower general is at present almost steel work entirely, large to steel demand, manufacturing cost is high, simultaneously due to the Anticorrosion of steel work, make the workload of later maintenance huge, increase the maintenance cost in use procedure.Meanwhile, the application of concrete wind power tower is relatively less, only on small size wind turbine pylon, has a small amount of application.Adopt traditional prestressed concrete wind power tower, concrete strength is lower, and the wind-power tower wall thickness made is comparatively large, structure bulky, is not easy to transport and lifting.Wind energy project needs new material and new structure design, meets instructions for use for engineering provides, the novel pylon of economical rationality.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides rational in infrastructure, is convenient to transport and assembling, manufacturing cost and all lower assembling external prestressing RPC wind power tower of working service cost.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of assembling external prestressing RPC wind power tower, it comprises basis and some sections of tower cylinders, it is characterized in that: described basis is reinforced concrete foundation, wherein pre-embedded foundation ring; Described every section of tower cylinder is built by RPC and is formed, in cone barrel; The inner side of each section of tower cylinder is longitudinally provided with some prestressed reinforcements; After described prestressed reinforcement stretch-draw, upper end is anchored at inside the upper surface of tower cylinder, lower end and discharge ring anchor connection.
Described prestressed reinforcement is uniformly distributed along tower cylinder inwall.
Be axially arranged with some anchor connection blocks inside section tower cylinder of the described end and interlude tower cylinder upper surface, anchor connection is on the anchor connection block of correspondence respectively in the prestressed reinforcement upper end arranged inside section tower cylinder of the described end and interlude tower cylinder, and anchoring lower ends is on discharge ring.
Section tower cylinder upper end, described top is provided with the steel flanges of fixing wind power generating set, prestressed reinforcement upper end inside the section tower cylinder of top is directly anchored in this steel flanges, downwards, anchoring lower ends is on discharge ring for this prestressed reinforcement edge top section tower cylinder and bottom all tower cylinders inwall.
Described tower cylinder distinguish is prefabricated, is bondd time assembled between lobe and lobe by RPC, and with corrugated bar link enhancement.
Also be provided with some longitudinal nonprestressed reinforcements and hoop nonprestressed reinforcement in described tower cylinder, described hoop non-prestressing tendon is arranged in the inside and outside both sides of longitudinal nonprestressed reinforcement.
Bondd by resin-bonded mastic between described tower cylinder upper-lower section.
The present invention can at factory's prefabricate RPC tower cylinder, and every section of tower cylinder is divided into integral prefabricated or distinguish is prefabricated, is transported to erecting bed and carries out prestressed stretch-draw and assembling.Against existing technologies, structure of the present invention is simple, supporting capacity is high, be applicable to various equipment and wind-powered electricity generation space enrironment, more can meet the requirement of large-scale wind electricity equipment, processing and maintenance cost can be greatly reduced, reduce difficulty of construction, convenient transport and lifting, and cracking resistance and application life can be improved.Make concrete more closely knit and cracking resistance is good, there is the features such as intensity is high, good endurance, long service life, lightweight are stable, pylon deadweight can be alleviated, reduce cost of transportation, increase corrosion resistance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is that the present invention forms structural representation.
Fig. 2 is top of the present invention section tower cylinder upper-end structure schematic diagram.
Fig. 3 is the end of the present invention section tower cylinder and discharge ring connection diagram.
Fig. 4 is interlude tower cylinder upper surface of the present invention floor map.
Fig. 5 is the end of the present invention section tower cylinder upper-end structure schematic diagram.
Fig. 6 is junction cross sectional representation between distinguish tower cylinder adjacent petals of the present invention.
Fig. 7 is vertical section, junction schematic diagram between distinguish tower cylinder adjacent petals in the present invention.
Label in figure is: 1. basis, 2. end section tower cylinder, and 3. interlude tower cylinder 4. pushes up section tower cylinder, 5. steel flanges, 6. discharge ring, 7. prestressed reinforcement, 8. prestressed reinforcement, 9. prestressed reinforcement, 10. RPC, 11. ground tackles, 12. anchor connection blocks, 13. corrugated bars, 14. splicing seams.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As can be seen from Figure 1, a kind of assembling external prestressing RPC wind power tower, it comprises basis 1 and some sections of tower cylinders.Described basic 1 is reinforced concrete foundation, pre-embedded foundation ring 6 wherein.Discharge ring 6 can be steel flanges.Tower cylinder comprises end section tower cylinder 2, interlude tower cylinder 3, top section tower cylinder 4.Interlude tower cylinder 3 can be one section, also can be multistage.Described every section of tower cylinder is built by RPC 10 and is formed, in cone barrel.End section tower cylinder 2 is fixed on discharge ring 6.Each section of tower cylinder docks assembling from bottom to top successively, and tower cylinder diameter and wall thickness reduce from the bottom up gradually, the whole cone cylindrical tower of composition.Bond with resinoid bond during docking.The pre-buried steel flanges 5 in upper end of top section tower cylinder 4, is connected with wind-driven generator.
As can be seen from Fig. 1, Fig. 2, Fig. 3, the inner side of the present invention's each section of tower cylinder is longitudinally provided with some prestressed reinforcements.Described prestressed reinforcement is evenly equally spaced along tower cylinder inwall.After described prestressed reinforcement stretch-draw, upper end is anchored at inside the upper surface of tower cylinder, lower end and discharge ring 6 anchor connection.Specifically: inside end section tower cylinder 2, be provided with prestressed reinforcement 7, end section tower cylinder prestressed reinforcement 7 is only arranged in inside end section tower cylinder 2.After prestressed reinforcement 7 stretch-draw, upper end is anchored at inside the upper surface of end section tower cylinder 2, and ground tackle 11 and discharge ring 6 anchor connection are passed through in lower end, as shown in Figure 3.Be provided with prestressed reinforcement 8 inside interlude tower cylinder 3, prestressed reinforcement 8 is arranged in inside interlude tower cylinder 3 and end section tower cylinder 2, and after prestressed reinforcement 8 stretch-draw, upper end is anchored at inside the upper surface of interlude tower cylinder 3, and lower end is by ground tackle 11 and discharge ring 6 anchor connection.Also be provided with prestressed reinforcement 9 inside top section tower cylinder 4, the prestressed reinforcement 9 of top section tower cylinder 4 is along the configuration of tower length direction total length, and it is arranged in inside top section tower cylinder 4, interlude tower cylinder 3 and end section tower cylinder 2.After prestressed reinforcement 9 stretch-draw, upper end is anchored in the steel flanges 5 of top section tower cylinder 4 by ground tackle 11, and ground tackle 11 and discharge ring 6 anchor connection are passed through in lower end, as shown in Figure 2.
As can be seen from Fig. 4, Fig. 5, inside section tower cylinder of the described end 2 and interlude tower cylinder 3 upper surface, be axially arranged with some anchor connection blocks 12.Anchor connection block 12 and corresponding tower cylinder are built shaping simultaneously, and reinforcing bar encryption is done in inside, to ensure that concrete does not destroy.Anchor connection is on the anchor connection block 12 of correspondence respectively by ground tackle 11 for the prestressed reinforcement 7 arranged inside section tower cylinder of the described end 2 and interlude tower cylinder 3 and prestressed reinforcement 8 upper end, and, anchoring lower ends is on discharge ring inside tower cylinder downwards.
It can also be seen that from Fig. 2, section tower cylinder 4 upper end, described top is provided with the steel flanges 5 of fixing wind power generating set, prestressed reinforcement 9 upper end inside the section tower cylinder of top is directly anchored in this steel flanges 5, this prestressed reinforcement 9 along top section tower cylinder and bottom all tower cylinders inwall downward, anchoring lower ends is on discharge ring 6.
The present invention's bigbore tower cylinder can distinguish prefabricated, on-site consolidation.Between lobe and lobe, longitudinally edge reserves splicing seams 14, longitudinally aims at splicing seams 14, bondd by RPC time assembled between lobe with lobe, and with corrugated bar 13 link enhancement, assembledly completes post-grouting and glues together.As shown in Figure 6 and Figure 7.
Also be provided with some longitudinal nonprestressed reinforcements and hoop nonprestressed reinforcement in described tower cylinder, described hoop non-prestressing tendon is arranged in the inside and outside both sides of longitudinal nonprestressed reinforcement.Bondd by resin-bonded mastic between described tower cylinder upper-lower section.
The segmentation tower cylinder that the present invention forms pylon all adopts RPC to make.RPC with silicate cement for cementitious matter, take quartz sand as aggregate, add basalt fibre simultaneously, make concrete more closely knit, add concrete cracking resistance, there is the features such as high strength, high-durability, long service life, lightweight are stable, adopt On New Reactive Powder Concrete weight reduction compared with general concrete wind power tower, greatly reduce cost of transportation, add the corrosion resistance of wind power tower simultaneously.
Whole assembling external prestressing RPC wind power tower based on On New Reactive Powder Concrete tower cylinder, by external prestressing tension technology to the on-the-spot Shi Hanzhang of tower cylinder.Segmentation tower cylinder is wherein all prefabricated at entire plant or distinguish is prefabricated, and tower cylinder section integral prefabricated employing vertical forming technique is built, the horizontal pre-formed technique of the prefabricated employing of distinguish.On-site consolidation.During assembling, lifted by end section tower cylinder and be placed on discharge ring 6, the two ends up and down of the prestressed reinforcement 7 of end section tower cylinder 2 are anchored on anchor connection block 12 and discharge ring 6 respectively.Ground tackle 11 described after prestressed reinforcement anchoring all needs to seal by the RPC of equality strength.The seam of distinguish tower cylinder inserts corrugated bar and connection of being in the milk in time.Follow-up interlude tower cylinder lifts and is placed on end section tower cylinder, fixing behind location, stretch-draw external prestressing reinforcing bar, on the anchor connection block that the upper and lower two ends of reinforcing bar are anchored at place tower cylinder respectively and discharge ring 6.Bond with high-intensity resin clay between tower cylinder.All the other tower cylinders connect as stated above successively, are combined into pylon of the present invention.
Claims (5)
1. an assembling external prestressing RPC wind power tower, it comprises basis and some sections of tower cylinders, it is characterized in that: described basis is reinforced concrete foundation, wherein pre-embedded foundation ring; Described every section of tower cylinder is built by RPC and is formed, in cone barrel; The inner side of each section of tower cylinder is longitudinally provided with some prestressed reinforcements; After described prestressed reinforcement stretch-draw, upper end is anchored at inside the upper surface of tower cylinder, lower end and discharge ring anchor connection; Be axially arranged with some anchor connection blocks inside section tower cylinder of the described end and interlude tower cylinder upper surface, anchor connection is on the anchor connection block of correspondence respectively in the prestressed reinforcement upper end arranged inside section tower cylinder of the described end and interlude tower cylinder, and anchoring lower ends is on discharge ring; Described tower cylinder distinguish is prefabricated, is bondd time assembled between lobe and lobe by RPC, and with corrugated bar link enhancement.
2. assembling external prestressing RPC wind power tower according to claim 1, is characterized in that: described prestressed reinforcement is uniformly distributed along tower cylinder inwall.
3. assembling external prestressing RPC wind power tower according to claim 1, it is characterized in that: section tower cylinder upper end, described top is provided with the steel flanges of fixing wind power generating set, prestressed reinforcement upper end inside the section tower cylinder of top is directly anchored in this steel flanges, downwards, anchoring lower ends is on discharge ring for prestressed reinforcement edge top section tower cylinder and bottom all tower cylinders inwall.
4. assembling external prestressing RPC wind power tower according to claim 1, it is characterized in that: be also provided with some longitudinal nonprestressed reinforcements and hoop nonprestressed reinforcement in described tower cylinder, described hoop non-prestressing tendon is arranged in the inside and outside both sides of longitudinal nonprestressed reinforcement.
5. assembling external prestressing RPC wind power tower according to claim 1, be is characterized in that: bondd by resin-bonded mastic between described tower cylinder upper-lower section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410118654.4A CN103867019B (en) | 2014-03-27 | 2014-03-27 | Assembling external prestressing RPC wind power tower |
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| CN201410118654.4A CN103867019B (en) | 2014-03-27 | 2014-03-27 | Assembling external prestressing RPC wind power tower |
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| CN103867019A CN103867019A (en) | 2014-06-18 |
| CN103867019B true CN103867019B (en) | 2016-04-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3029231B1 (en) * | 2014-12-01 | 2016-12-30 | Lafarge Sa | CONCRETE SECTION |
| CN106949017A (en) * | 2017-05-05 | 2017-07-14 | 同济大学建筑设计研究院(集团)有限公司 | A kind of prefabricated mixing pylon of Wind turbines bottom burst |
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| CN110924421A (en) * | 2019-10-29 | 2020-03-27 | 国家电网有限公司 | Novel template-free corrosion-resistant UHPC-NC combined bearing platform and construction method thereof |
| CN113187668B (en) * | 2021-03-31 | 2022-06-10 | 上海璟翃实业有限公司 | Equipment hoisting and grouting installation method for wind power generation mixed tower |
| CN113374646B (en) * | 2021-06-16 | 2022-05-10 | 重庆大学 | Light steel concrete prestressing force combination formula wind power tower section of thick bamboo and wind power tower thereof |
| CN114150919A (en) * | 2021-12-13 | 2022-03-08 | 中国电建集团重庆工程有限公司 | Assembled chimney and construction method |
| CN115182638B (en) * | 2022-08-22 | 2023-12-12 | 维蒙特工业(中国)有限公司 | Rod body structure for impact protection |
| CN117989070A (en) * | 2024-02-07 | 2024-05-07 | 北京文和人居建设科技有限公司 | Reinforced concrete wind power tower drum and construction method thereof |
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