CN205936983U - A external prestress concrete tower section of thick bamboo - Google Patents

A external prestress concrete tower section of thick bamboo Download PDF

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Publication number
CN205936983U
CN205936983U CN201620963815.4U CN201620963815U CN205936983U CN 205936983 U CN205936983 U CN 205936983U CN 201620963815 U CN201620963815 U CN 201620963815U CN 205936983 U CN205936983 U CN 205936983U
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China
Prior art keywords
tower
tower section
interior
prestressed steel
steel bundle
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Active
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CN201620963815.4U
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Chinese (zh)
Inventor
刘石坚
黄加佳
张涛涛
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Sany Renewable Energy Co Ltd
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Sany Heavy Energy Equipment Co Ltd
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Priority to CN201620963815.4U priority Critical patent/CN205936983U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines

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Abstract

The utility model discloses an external prestress concrete tower section of thick bamboo, including tower section of thick bamboo body, interior prestressed steel beam and outer prestressed steel beam, interior prestressed steel beam sets up in the inboard of the inner wall of tower section of thick bamboo body, and outer prestressed steel beam sets up the outside at the outer wall of tower section of thick bamboo body. The utility model provides an external prestress concrete tower section of thick bamboo tensile ability reinforce possesses better crack resistance, impervious performance and the ability of shearing, has good crack -closure performance, has improved the bearing capacity of a concrete tower section of thick bamboo. Set up external at tower section of thick bamboo body with interior prestressed steel beam and outer prestressed steel beam, then make things convenient for the stretch -draw to prestressed steel beam. And convenient loss of prestress to prestressed steel beam detects, also conveniently supplyes prestressing force, has reduced the maintenance cost.

Description

Externally pre-stressed concrete tower
Technical field
This utility model is related to wind-powered electricity generation technical field of power generation, particularly to a kind of externally pre-stressed concrete tower.
Background technology
Tower is the main support device of wind-driven generator, and electromotor is coupled by it with ground, provides needs for wind wheel Highly.The maximization of wind-driven generator has become as the development trend in future, and its impeller diameter is increasing, correspondingly, is used for Support the tower height of wind-driven generator also higher, also higher to the intensity requirement of tower.
Blower fan (abbreviation of wind-driven generator) generally adopts steel structure tower or xoncrete structure.Wherein, steel tower Relatively costly, perishable, the maintenance cost height of cylinder.With respect to steel tower, the low cost of normal concrete tower, stability Good, but its tensile property is poor, easily produces crack, low intensity is it is impossible to give full play to the advantage of concrete.
Utility model content
The purpose of this utility model is to provide a kind of externally pre-stressed concrete tower, of the prior art general to solve The tensile property of logical concrete tower is poor, easily produces crack, the technical problem of low intensity.
This utility model provide a kind of externally pre-stressed concrete tower, including tower body 1, interior prestressed strand 2 with And External prestressed steel bundle 3;Interior prestressed strand 2 is arranged on the inner side of the inwall of tower body 1, and External prestressed steel bundle 3 is arranged on The outside of the outer wall of tower body 1;The stretching end of the stretching end of interior prestressed strand 2 and External prestressed steel bundle 3 is each attached to tower The upper end of cylinder body 1, the fixing end of the fixing end of interior prestressed strand 2 and External prestressed steel bundle 3 is used to be fixed on tower originally On the lower end of body 1 or tower barrel base.
Further, tower body 1 includes multiple tower section 11;Multiple tower section 11 from top to bottom stack, interior prestressed strand 3 It is arranged on the inner side of the inwall of multiple tower section 11, External prestressed steel bundle 2 is arranged on the outside of the outer wall of multiple tower section 11.
Further, the tower section 11 at top is connected with the first upper flange 12;It is provided with multiple first on first upper flange 12 Inner via hole and multiple first accessibke porosity, multiple first inner via holes and multiple first accessibke porosity are all along between the circumference of the first upper flange 12 Every setting;The stretching end of interior prestressed strand 2 is located in the first inner via hole, and is fixed with interior stretching end anchorage, External prestressed The stretching end of steel bundle 3 is located in the first accessibke porosity, and is fixed with outer stretching end anchorage.
Further, the lower end of the tower section 11 of bottom is provided with the first lower flange 13;It is provided with many on first lower flange 13 Individual second inner via hole and multiple second accessibke porosity, multiple second inner via holes and multiple second accessibke porosity are all along the first lower flange 13 It is provided at circumferentially spaced;The fixing end of interior prestressed strand 2 is located in second inner via hole, and solid with interior fixing end anchorage Fixed, the fixing end of External prestressed steel bundle 3 is located in the second accessibke porosity, and is fixed with outer fixing end anchorage.
Further, the upper end of the tower section 11 of the upper end of tower section 11 at middle part and bottom is provided with the second upper flange 14;The lower end of the tower section 11 on the lower end of tower section 11 at middle part and top is provided with the second lower flange 15;On adjacent second Flange 14 and the second lower flange 15 are connected by the connector being located on the second upper flange 14 and the second lower flange 15.
Further, the inwall of the second upper flange 14 and the second lower flange 15 all inwardly projecting in the tower section 11 being attached thereto Inwall.
Further, the outer wall of the second upper flange 14 is concordant with the outer wall of the tower section 11 being attached thereto.
Further, each tower section 11 all includes the outer tube wall that inner core wallboard 111 and interval are set in outside inner tube wall plate 111 Plate 112;Interior prestressed strand 2 is arranged on the inner side of multiple inner core wallboards 111, and External prestressed steel bundle 3 is arranged on multiple outer tube walls The outside of plate 112.
Further, casting concrete in the interval between inner core wallboard 111 and outer tube wallboard 112.
Further, inner core wallboard 111 and/or outer tube wallboard 112 are steel plate.
When for pour build up the concrete of tower body and reach hardness after, the stretching end of internal prestressed strand 2 and outer The stretching end of prestressed strand 3 carries out tensioning;The fixing end of interior prestressed strand 2 is all solid with the fixing end of External prestressed steel bundle 3 Fixed, the gradually tensioning produce tension during tensioning of therefore interior prestressed strand 2 and External prestressed steel bundle 3;Should when drawing After force value reaches preset value, the stretching end of the stretching end of interior prestressed strand 2 and External prestressed steel bundle 3 is each attached to tower originally The upper end of body 1, due to interior prestressed strand 2 and the equal under tension of External prestressed steel bundle 3, is closed with counteracting force according to active force System, the two ends of tower body 1 all by the pressure from inside and outside prestressed strand, thus the internal generation in tower body 1 is pre- Compressive stress.Prestressing force can offset the tension that concrete tower is subject in the course of the work, thus improve concrete tower Resistance to tension so as to possess that preferable anti-crack ability is strong, anti-permeability performance and shear resistance, there is good crack closure Can, improve the bearing capacity of concrete tower.
In addition, interior prestressed strand 2 and External prestressed steel bundle 3 are arranged on the external of tower body 1, then facilitate and answer to pre- The tensioning of power steel bundle.And, the convenient loss of prestress detection to prestressed strand, it is also convenient for prestressing force is supplemented, fall Low maintenance cost.
Brief description
The accompanying drawing constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new The schematic description and description of type is used for explaining this utility model, does not constitute to improper restriction of the present utility model.? In accompanying drawing:
Fig. 1 is the structural representation of the externally pre-stressed concrete tower that this utility model provides;
Fig. 2 is the knot of the second upper flange and the second lower flange junction in the externally pre-stressed concrete tower shown in Fig. 1 Structure schematic diagram.
In figure:
1- tower body;Prestressed strand in 2-;3- External prestressed steel bundle;
11- tower section;12- first upper flange;13- first lower flange;
14- second upper flange;15- second lower flange;111- inner core wallboard;
112- outer tube wallboard.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can To be mutually combined.To describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly Connect;Can be to be mechanically connected or electrically connect;Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning in this utility model for the language.
Fig. 1 is the structural representation of the externally pre-stressed concrete tower that this utility model provides.As shown in figure 1, this reality With the externally pre-stressed concrete tower of new offer, including tower body 1, interior prestressed strand 2 and External prestressed steel bundle 3;Interior prestressed strand 2 is arranged on the inner side of the inwall of tower body 1, and External prestressed steel bundle 3 is arranged on the outer wall of tower body 1 Outside;The stretching end of the stretching end of interior prestressed strand 2 and External prestressed steel bundle 3 is each attached to the upper end of tower body 1, interior The fixing end of the fixing end of prestressed strand 2 and External prestressed steel bundle 3 is used to be fixed on lower end or the tower of tower body 1 On the basis of.
Wherein, interior prestressed strand 2, preferably using multiple, can provide enough pressure to tower.Multiple interior pre- should The set-up mode of power steel bundle 2 has multiple, for example:Interior prestressed strand 2 is divided into multigroup, every group of interior prestressing force comprising equal amount Steel bundle 2, multigroup prestressed strand is uniformly arranged on the inner side of tower centered on the central shaft of tower;Or multiple interior pre- should Power steel bundle 2 is arranged centered on the central shaft of tower at equal intervals, and multiple interior prestressed strands 2 are arranged on same circumference.
External prestressed steel bundle 3 can adopt the outside being arranged on tower with interior prestressed strand 2 identical version, Different structure form can be adopted.
The version of tower body 1 has multiple, for example:Tower body 1 can be in drum-shaped it is also possible to be in that cone is barrel-shaped Deng.
Tower body 1 can be formed in corresponding mould by pure concreting;Also can formerly pour setting steel in mould Muscle, then carry out concreting, form armored concrete tower body etc..
When for pour build up the concrete of tower body and reach default hardness after, the stretching end of internal prestressed strand 2 with And the stretching end of External prestressed steel bundle 3 carries out tensioning;The fixing end of interior prestressed strand 2 and the fixing end of External prestressed steel bundle 3 All fixing, the gradually tensioning produce tension during tensioning of therefore interior prestressed strand 2 and External prestressed steel bundle 3;When After tension reaches preset value, the stretching end of the stretching end of interior prestressed strand 2 and External prestressed steel bundle 3 is each attached to tower The upper end of body 1, due to interior prestressed strand 2 and the equal under tension of External prestressed steel bundle 3, is closed with counteracting force according to active force System, the two ends of tower body 1 all by the pressure from inside and outside prestressed strand, thus the internal generation in tower body 1 is pre- Compressive stress.Compressive pre-stress can offset the tension that concrete tower is subject in the course of the work, thus improve concrete towers The resistance to tension of cylinder, so as to possess preferable anti-crack ability, anti-permeability performance and shear resistance, has good crack closure Can, improve the bearing capacity of concrete tower.
In addition, interior prestressed strand 2 and External prestressed steel bundle 3 are arranged on the external of tower body 1, then facilitate internally, The tensioning of External prestressed steel bundle.And, convenient internal, External prestressed steel bundle loss of prestress detection, it is also convenient for prestressing force Supplemented, reduced maintenance cost.
As shown in figure 1, on above-described embodiment basis, further, tower body 1 includes multiple tower section 11;Multiple Tower section 11 from top to bottom stacks, and interior prestressed strand 2 is arranged on the inner side of the inwall of multiple tower section 11, and External prestressed steel bundle 3 sets Put the outside of the outer wall in multiple tower section 11.
Wherein, tower body 1 is made up of multiple tower section 11, and tower section 11 can be two, three or four etc., can basis Concrete construction situation is arranging height and the quantity of tower section 11.Then multiple tower section 11 can be transported to and after wind energy turbine set, carry out lifting group again Become required tower, this structure is convenient to transport, and reduces cost of transportation.
In addition, prestressed strand is arranged on outside xoncrete structure, and multiple tower section 11 is connected by same prestressed strand, Then tensioning amount is little, and the loss of prestress of prestressed strand is easy to detect, is also convenient for prestressing force and supplements.
As shown in figure 1, on above-described embodiment basis, further, the tower section 11 at top is connected with the first upper flange 12;Multiple first inner via holes and multiple first accessibke porosity, multiple first inner via holes and multiple are provided with the first upper flange 12 One accessibke porosity all being provided at circumferentially spaced along the first upper flange 12;The stretching end of interior prestressed strand 2 is located in the first inner via hole Interior, and fixed with interior stretching end anchorage, the stretching end of External prestressed steel bundle 3 is located in the first accessibke porosity, and uses outer stretching end Anchorage is fixed.
Wherein, the connected mode of the first upper flange 12 and the tower section 11 at top have multiple, for example:Welding, threaded or Person is integrally formed.
The stretching end of the stretching end of interior prestressed strand 2 and External prestressed steel bundle 3 is fixed on by stretching end anchorage On one upper flange 12, this arrangement simplifies the stretching end of the stretching end of prestressed strand 2 and External prestressed steel bundle 3 in fixing Operating process, improves production efficiency, further facilitates detection and the maintenance in later stage.
As shown in figure 1, on above-described embodiment basis, further, the lower end of the tower section 11 of bottom is provided with first Lower flange 13;Multiple second inner via holes and multiple second accessibke porosity be provided with the first lower flange 13, multiple second inner via holes and Multiple second accessibke porosities all being provided at circumferentially spaced along the first lower flange 13;The fixing end of interior prestressed strand 2 is located in one In second inner via hole, and fixed with interior fixing end anchorage, the fixing end of External prestressed steel bundle 3 is located in the second accessibke porosity, and Fixed with outer fixing end anchorage.
Wherein, the connected mode of the first lower flange 13 and the tower section 11 of bottom have multiple, for example:Welding, threaded or Person is integrally formed.
The fixing end of the fixing end of interior prestressed strand and External prestressed steel bundle 3 is fixed on by fixing end anchorage On one lower flange 13, this arrangement simplifies the fixing end of the fixing end of prestressed strand 2 and External prestressed steel bundle 3 in fixing Operating process, improves production efficiency, further facilitates detection and the maintenance in later stage.
It is preferred that the upper end of the tower section 11 at top connects the first upper flange 12, under the tower section 11 of bottom simultaneously End connects the first lower flange 13, by the stretching end of interior prestressed strand 2 and fixing end, and the stretching end of External prestressed steel bundle 3 It is fixedly connected with the first upper flange 12 and the first lower flange 13 respectively with fixing end, further facilitate workmen to prestress steel The fixation of bundle, further increases labor efficiency, also further facilitates the later stage to the maintenance of stress steel bundle or replacing.
Fig. 2 is the knot of the second upper flange and the second lower flange junction in the externally pre-stressed concrete tower shown in Fig. 1 Structure schematic diagram.As depicted in figs. 1 and 2, above-described embodiment basis on, further, the upper end of tower section 11 at middle part and The upper end of the tower section 11 of bottom is provided with the second upper flange 14;Under the tower section 11 on the lower end of tower section 11 at middle part and top End is provided with the second lower flange 15;The second adjacent upper flange 14 and the second lower flange 15 are by being located in the second upper flange 14 Connect with the connector on the second lower flange 15.
Wherein, the connected mode of the connected mode of the second upper flange 14 and tower section 11 and the second lower flange 15 and tower section 11 Can be all multiple, for example:It is integrally formed or threaded, preferably using welding, processing is simple, and being connected firmly can Lean on.
The species of connector has a lot, for example:Pin, axle or nail etc., preferably adopt high-strength bolt and nut, even Connect fixing simple to operate, firm and reliable connection.
By connector, the second adjacent upper flange 14 and the second lower flange 15 are connected, thus by adjacent tower section 11 even Meet fixation, convenient construction human users, improve the labor efficiency of workmen.
As depicted in figs. 1 and 2, on above-described embodiment basis, further, the second upper flange 14 and the second lower flange The all inwardly projecting inwall in the tower section 11 being attached thereto of 15 inwall.
Wherein, the inwall of the inwall of the second upper flange 14 and the second lower flange 15 all protrudes the inwall of tower, by connector It is arranged on the position that the second upper flange 14 and the second lower flange 15 are located in tower, then connector can be made to be protected from rushing of sleet Brush and the corrosion of external environment condition, thus extending the long service life of connector, reducing using of tower and producing this.
As depicted in figs. 1 and 2, on above-described embodiment basis, further, the outer wall of the second upper flange 14 and therewith The outer wall of the tower section 11 connecting is concordant.
Wherein, after multiple tower section 11 stacked on top constitute whole tower, the outer wall of tower is still smooth, said structure Make the compound with regular structure of tower.
As depicted in figs. 1 and 2, on above-described embodiment basis, further, each tower section 11 all includes inner core wallboard 111 are set in the outer tube wallboard 112 outside inner tube wall plate 111 with interval;Interior prestressed strand 2 is arranged on multiple inner core wallboards 111 Inner side, External prestressed steel bundle 3 is arranged on the outside of multiple outer tube wallboards 112.
Wherein, inner core wallboard 111 and outer tube wallboard 112 and material can be all multiple, for example:Timber, plastics or Ferrum etc.;Preferably inner core wallboard 111 and outer tube wallboard 112 are steel plate, can further improve the external of the present embodiment offer The intensity of prestressed concrete tower cylinder.
Inner core wallboard 111 and outer tube wallboard 112 can form the mould for casting concrete, facilitate concreting, side Just the production of tower body 1.
It is preferred that inner core wallboard 111 and the two ends for outer tube wallboard 112 are respectively connected with upper flange and lower flange, For example:The inner core wallboard 111 of the tower section 11 at top and for outer tube wallboard 112 two ends respectively with the first upper flange 12 and second under Flange 15 connects, the inner core wallboard 111 of the tower section 11 at middle part and for outer tube wallboard 112 two ends respectively with the second upper flange 14 and Second lower flange 15 connects, the inner core wallboard 111 of the tower section 11 of bottom and for outer tube wallboard 112 two ends respectively with second on method Orchid 14 and the first lower flange 13 connect.
Inner core wallboard 111, outer tube wallboard 112, upper flange and lower flange define the chamber that can be used for casting concrete, then First inner core wallboard 111, outer tube wallboard 112, upper flange and lower flange can be connected formation tower section framework in workshop, then by tower Segment frames transport to wind energy turbine set, then lift multiple tower section frameworks, connecting adjacent tower section by adjacent upper and lower flange Framework is connected, and the tower section framework of bottom is fixed on tower barrel base, by interior prestressed strand and External prestressed steel bundle Fixing end is fixed;To multiple tower section framework Pouring concrete at the same times, after concrete reaches default hardness, internal, External prestressed Steel Shu Jinhang tensioning, fixation, sealing off and covering anchorage.Further facilitate transport, reduce further cost of transportation;Further facilitate adding of tower Work produces, and reduce further the construction cost of wind-driven generator
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model Protection domain within.

Claims (10)

1. a kind of externally pre-stressed concrete tower is it is characterised in that include:Tower body (1), interior prestressed strand (2) with And External prestressed steel bundle (3);
Described interior prestressed strand (2) is arranged on the inner side of the inwall of described tower body (1), described External prestressed steel bundle (3) It is arranged on the outside of the outer wall of described tower body (1);
The stretching end of the stretching end of described interior prestressed strand (2) and described External prestressed steel bundle (3) is each attached to described tower The upper end of body (1), the fixing end of described interior prestressed strand (2) and the fixing end of described External prestressed steel bundle (3) are used to It is fixed on lower end or the tower barrel base of described tower body (1).
2. externally pre-stressed concrete tower according to claim 1 is it is characterised in that described tower body (1) includes Multiple tower section (11);Multiple tower section (11) from top to bottom stack, and described interior prestressed strand (2) is arranged on multiple described tower section (11) inner side of inwall, described External prestressed steel bundle (3) is arranged on the outside of the outer wall of multiple described tower section (11).
3. externally pre-stressed concrete tower according to claim 2 is it is characterised in that the described tower section (11) at top connects It is connected to the first upper flange (12);Multiple first inner via holes and multiple first accessibke porosity are provided with described first upper flange (12), Multiple first inner via holes and multiple first accessibke porosity all being provided at circumferentially spaced along described first upper flange (12);
The stretching end of described interior prestressed strand (2) is located in described first inner via hole, and is fixed with interior stretching end anchorage, institute The stretching end stating External prestressed steel bundle (3) is located in described first accessibke porosity, and is fixed with outer stretching end anchorage.
4. externally pre-stressed concrete tower according to claim 2 is it is characterised in that the described tower section (11) of bottom Lower end is provided with the first lower flange (13);It is provided with outside multiple second inner via holes and multiple second on described first lower flange (13) Through hole, multiple second inner via holes and multiple second accessibke porosity all being provided at circumferentially spaced along described first lower flange (13);
The fixing end of described interior prestressed strand (2) is located in described second inner via hole, and solid with interior fixing end anchorage Fixed, the fixing end of described External prestressed steel bundle (3) is located in described second accessibke porosity, and is fixed with outer fixing end anchorage.
5. externally pre-stressed concrete tower according to claim 2 is it is characterised in that the described tower section (11) at middle part The upper end of the described tower section (11) of upper end and bottom is provided with the second upper flange (14);
The lower end of the described tower section (11) on the lower end of described tower section (11) at middle part and top is provided with the second lower flange (15);
Adjacent described second upper flange (14) and described second lower flange (15) are by being located in described second upper flange (14) Connect with the connector on described second lower flange (15).
6. externally pre-stressed concrete tower according to claim 5 it is characterised in that described second upper flange (14) and The all inwardly projecting inwall in the described tower section (11) being attached thereto of inwall of described second lower flange (15).
7. externally pre-stressed concrete tower according to claim 6 is it is characterised in that described second upper flange (14) Outer wall is concordant with the outer wall of the described tower section (11) being attached thereto.
8. externally pre-stressed concrete tower according to claim 2 is it is characterised in that each described tower section (11) is all wrapped Include inner core wallboard (111) and interval is set in described inner core wallboard (111) outer tube wallboard (112) outward;
Described interior prestressed strand (2) is arranged on the inner side of multiple described inner core wallboards (111), described External prestressed steel bundle (3) It is arranged on the outside of multiple described outer tube wallboards (112).
9. externally pre-stressed concrete tower according to claim 8 it is characterised in that described inner core wallboard (111) and Casting concrete in interval between described outer tube wallboard (112).
10. according to Claim 8 the externally pre-stressed concrete tower described in -9 any one it is characterised in that described inner tube wall Plate (111) and/or described outer tube wallboard (112) are steel plate.
CN201620963815.4U 2016-08-26 2016-08-26 A external prestress concrete tower section of thick bamboo Active CN205936983U (en)

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CN201620963815.4U CN205936983U (en) 2016-08-26 2016-08-26 A external prestress concrete tower section of thick bamboo

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112283045A (en) * 2020-09-08 2021-01-29 青岛华斯壮能源科技有限公司 Framework type external prestress anti-fatigue steel tower structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112283045A (en) * 2020-09-08 2021-01-29 青岛华斯壮能源科技有限公司 Framework type external prestress anti-fatigue steel tower structure

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Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing

Patentee after: Sany Heavy Energy Co.,Ltd.

Address before: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing

Patentee before: SANY HEAVY ENERGY Co.,Ltd.

Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing

Patentee after: SANY HEAVY ENERGY Co.,Ltd.

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