CN111519972A - Concrete tower drum capable of replacing prestressed steel strands in vitro - Google Patents
Concrete tower drum capable of replacing prestressed steel strands in vitro Download PDFInfo
- Publication number
- CN111519972A CN111519972A CN202010366191.9A CN202010366191A CN111519972A CN 111519972 A CN111519972 A CN 111519972A CN 202010366191 A CN202010366191 A CN 202010366191A CN 111519972 A CN111519972 A CN 111519972A
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- Prior art keywords
- concrete tower
- prestressed
- steel strand
- prestressed steel
- fixedly connected
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 83
- 239000010959 steel Substances 0.000 title claims abstract description 83
- 239000004567 concrete Substances 0.000 title claims abstract description 67
- 238000000338 in vitro Methods 0.000 title claims abstract description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 41
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 41
- 241001330002 Bambuseae Species 0.000 claims description 41
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 41
- 239000011425 bamboo Substances 0.000 claims description 41
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/16—Prestressed structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention relates to a concrete tower barrel capable of replacing prestressed steel strands in vitro, which comprises a concrete tower barrel and a plurality of groups of external prestressed components symmetrically arranged on the periphery of the concrete tower barrel, wherein each external prestressed component comprises a prestressed steel strand, an adapter, a fixed end anchorage and a tensioning end anchorage, the adapter is fixedly connected with the bottom of the concrete tower barrel and uniformly arranged along the periphery of the bottom of the concrete tower barrel, the fixed end of the prestressed steel strand is detachably and fixedly connected with the adapter through the fixed end anchorage, and the tensioning end of the prestressed steel strand is detachably and fixedly connected with the top end of the concrete tower barrel through the tensioning end anchorage. Compared with the prior art, the invention can finish the disassembly and replacement of the prestressed steel strand by a detachable fixed connection mode, thereby improving the prestress efficiency of the concrete tower cylinder and the installation efficiency of the prestressed steel strand; and a steel strand protection cylinder is arranged outside the prestressed steel strand, so that later maintenance of the concrete tower cylinder is facilitated.
Description
Technical Field
The invention relates to the field of concrete tower barrels, in particular to a concrete tower barrel with external replacement of prestressed steel strands.
Background
The concrete tower tube structure is widely applied to various industrial fields, such as chimneys, wind power towers, radar towers, water towers and the like, due to the advantages of high rigidity, strong corrosion resistance, low temperature effect and the like. However, as the use time goes on, the tower body can have cracks of different degrees, which affects the beauty, the bearing capacity, the use safety, the waterproofness, the durability, the service life and the like. In order to overcome the defects, the prestressed concrete tower barrel is gradually applied, the existing prestress is generally arranged in the tower barrel or the barrel wall, but the problems are that the prestress efficiency is low, and the replacement of a prestress system is difficult.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a concrete tower barrel capable of replacing prestressed steel strands in vitro.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a can external concrete tower section of thick bamboo of changing prestressing force steel strand, includes that concrete tower section of thick bamboo and evenly distributed and symmetry locate the external prestressing force subassembly of multiunit in concrete tower section of thick bamboo week, external prestressing force subassembly include prestressing force steel strand wires, adaptor, stiff end ground tackle and stretch-draw end ground tackle, the bottom fixed connection of adaptor and concrete tower section of thick bamboo and evenly set up along concrete tower section of thick bamboo's bottom week side, prestressing force steel strand's stiff end can dismantle fixed connection through stiff end ground tackle and adaptor, prestressing force steel strand's stretch-draw end can dismantle fixed connection through the top of stretch-draw end ground tackle with concrete tower section of thick bamboo.
Preferably, the concrete tower section of thick bamboo include tower section of thick bamboo basis and locate the tower section of thick bamboo main part on the tower section of thick bamboo basis, tower section of thick bamboo basis evenly set up a plurality of basic built-in fittings along tower section of thick bamboo main part circumference, basic built-in fittings include basic pre-buried anchor board and a plurality of prestressed anchorage bolt, prestressed anchorage bolt be fixed in tower section of thick bamboo basis in to its top upwards stretch out tower section of thick bamboo basis with basic pre-buried anchor board fixed connection, the adaptor include switching panel and switching support, the bottom and the basic pre-buried anchor board fixed connection of switching support, the top and the switching panel fixed connection of switching support, the middle part of switching panel set up first through-hole, the stiff end of prestressed wire pass first through-hole and can dismantle fixed connection with the stiff end ground tackle.
Preferably, the top circumference of concrete tower section of thick bamboo evenly set up a plurality of brackets, bracket middle part top-down set up the second through-hole, the tensioning end of prestressing force steel strand pass the second through-hole and can dismantle fixed connection with tensioning end ground tackle.
Preferably, external prestressing force subassembly still include a steel strand wires protection section of thick bamboo, a steel strand wires protection section of thick bamboo cover locate steel strand wires week side and with concrete tower section of thick bamboo's outer wall fixed connection.
Preferably, a steel strand wires protection section of thick bamboo include first protection curb plate, second protection curb plate and door plant, a side of first protection curb plate and the outer wall fixed connection of a concrete tower section of thick bamboo, a side of the opposite side of first protection curb plate and a side of door plant be connected through folding paper rotation, a side of second protection curb plate and the outer wall fixed connection of a concrete tower section of thick bamboo, the opposite side of second protection curb plate can dismantle fixed connection with the opposite side of door plant.
Furthermore, the other side edge of the second protective side plate is detachably and fixedly connected with the other side edge of the door plate through a connecting bolt
Preferably, the outer wall of the concrete tower cylinder is provided with a protective cylinder fixing part from top to bottom along the prestressed steel strands, the protective cylinder fixing part comprises a tower cylinder embedded plate and embedded anchor bars embedded from top to bottom, the tower cylinder embedded plate is fixedly connected with the embedded anchor bars, and the steel strand protective cylinder is fixedly connected with the tower cylinder embedded plate.
Preferably, the concrete tower comprises at least four external prestressing assemblies.
Preferably, each of the basic embedded parts comprises at least four prestressed anchor bolts.
Preferably, the prestressed steel strand is a sheathed prestressed steel strand.
Preferably, the prestressed anchor bolt is a prestressed anchor bolt with a sleeve.
Preferably, the tower tube embedded plate is a steel plate.
Preferably, the first protective side plate, the second protective side plate and the door plate are all steel plates.
Preferably, the embedded anchor bars are welded with the embedded plates of the tower barrel.
When the prestressed steel strand is replaced by the concrete tower barrel capable of replacing the prestressed steel strand in vitro, firstly, the connecting bolt between the door panel and the second protective side plate is removed, the door panel is opened, the anchorage device at the tensioning end of the top tensioning end of the prestressed steel strand and the anchorage device at the fixed end of the bottom fixed end of the prestressed steel strand are sequentially removed, then a new prestressed steel strand is installed according to requirements, and the door panel and the second protective side plate are fixedly connected through the connecting bolt, so that the replacement is completed.
Compared with the prior art, the invention has the following advantages:
(1) the fixed end and the tensioning end of the prestressed steel strand of the external prestressed assembly are both detachably and fixedly connected with the concrete tower barrel, the detachment and replacement of the prestressed steel strand can be completed in a detachable and fixed connection mode, and the prestressed efficiency of the concrete tower barrel is improved;
(2) an external prestress assembly is adopted, and the installation and the tensioning of the prestress steel strands are finished outside the concrete tower barrel, so that the installation efficiency of the prestress steel strands is improved;
(3) a steel strand protection barrel with a door plate capable of being opened is arranged outside the prestressed steel strand, so that the prestressed steel strand is effectively protected, the segmented inspection and replacement of the prestressed steel strand are facilitated, and the later maintenance of the concrete tower barrel is facilitated;
(4) the bracket of the concrete tower drum, the foundation embedded part on the tower drum foundation and the adapter part are used for realizing detachable fixed connection of the prestressed steel strands, and the stability of the external prestressed assembly is improved.
Drawings
FIG. 1 is a schematic structural view of a concrete tower drum of the present invention;
FIG. 2 is a top view of a concrete tower according to the present invention;
FIG. 3 is a partial schematic view of the fixed end structure of the prestressed steel strand of the present invention;
FIG. 4 is a schematic top view of the external prestressing assembly according to the present invention;
fig. 5 is a partial schematic view of the structure of the prestressed steel strand tensioning end of the present invention.
The novel tower comprises a tower base 1, a tower body 2, a tower body 3, a prestressed anchor bolt 4, an external prestressed assembly 5, a foundation embedded anchor plate 6, a prestressed steel strand 7, an adapter part 8, an embedded anchor bar 9, a tower embedded plate 10, a first protection side plate 11, a hinge 12, a connecting bolt 13, a bracket 14, a tensioning end anchor device 15, a second protection side plate 16 and a door plate.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.
Examples
As shown in fig. 1, a concrete tower drum capable of replacing prestressed steel strands in vitro comprises a concrete tower drum and a plurality of groups of external prestressed components 4 which are uniformly distributed and symmetrically arranged on the periphery of the concrete tower drum, wherein the concrete tower drum comprises a tower drum foundation 1 and a tower drum main body 2 arranged on the tower drum foundation 1.
As shown in fig. 2, the concrete tower includes at least four external prestressing assemblies 4, and in this embodiment, the concrete tower is provided with eight external prestressing assemblies 4.
Specifically, external prestressing force subassembly 4 includes prestressing force steel strand wires 6, adaptor 7, fixed end ground tackle and stretch-draw end ground tackle 14, and adaptor 7 and the bottom of concrete tower section of thick bamboo week side evenly sets up along the bottom of concrete tower section of thick bamboo, and the fixed end of prestressing force steel strand wires 6 passes through fixed end ground tackle and can dismantle fixed connection with adaptor 7, and the stretch-draw end of prestressing force steel strand wires 6 can dismantle fixed connection through stretch-draw end ground tackle 14 and the top of concrete tower section of thick bamboo.
As shown in fig. 3, further, for the fixed end of the prestressed steel strand, the tower foundation 1 uniformly sets up a plurality of basic embedded parts along the 2 circumference of the tower main body, the basic embedded parts include a basic embedded anchor plate 5 and a plurality of prestressed anchor bolts 3, the prestressed anchor bolts 3 are fixed in the tower foundation 1, and the top of the tower foundation upwards extends out of the tower foundation 1 and the basic embedded anchor plate 5 is fixedly connected, the adaptor 7 includes a transfer panel and a transfer support, the bottom of the transfer support is fixedly connected with the basic embedded anchor plate 5, the top of the transfer support is fixedly connected with the transfer panel, a first through hole is formed in the middle of the transfer panel, and the fixed end of the prestressed steel strand 6 passes through the first through hole and is detachably and fixedly connected with the fixed end anchorage.
Every basic built-in fitting include four at least prestressed anchorage ties 3, in this embodiment, tower section of thick bamboo basis 1 evenly sets up eight basic built-in fittings along 2 circumference of tower section of thick bamboo main part, and every basic built-in fitting includes six prestressed anchorage ties 3, and prestressed anchorage ties 3 are for taking telescopic prestressed anchorage tie, and prestressed steel strand wires 6 are the prestressed steel strand wires of taking the sheath, and prestressed anchorage tie 3 and basic pre-buried anchor plate 5 threaded connection, the bottom and the pre-buried anchor plate 5 welded connection of basis of switching support.
As shown in fig. 5, further, a plurality of brackets 13 are uniformly arranged on the top end of the tower main body 2 in the circumferential direction, a second through hole is formed in the middle of each bracket 13 from top to bottom, and the tensioning end of each prestressed steel strand 6 penetrates through the second through hole to be detachably and fixedly connected with a tensioning end anchorage 14.
In this embodiment, eight brackets 13 are evenly arranged on the top end of the tower body 2 in the circumferential direction.
As shown in fig. 4, preferably, the external prestressing assembly 4 further includes a steel strand protection cylinder, and the steel strand protection cylinder is sleeved on the periphery of the steel strand and is fixedly connected with the outer wall of the concrete tower cylinder.
Specifically, the outer wall of a concrete tower section of thick bamboo is equipped with a protection section of thick bamboo mounting along 6 top-down of prestressing force steel strand wires, a protection section of thick bamboo mounting includes the pre-buried anchor bar 8 that tower section of thick bamboo built-in board 9 and top-down buried, the pre-buried anchor bar 8 of tower section of thick bamboo pre-buried board 9 and pre-buried anchor bar 8 fixed connection, a steel strand wires protection section of thick bamboo and the pre-buried board 9 fixed connection of tower section of thick bamboo, a steel strand wires protection section of thick bamboo includes first protection curb plate 10, second protection curb plate 15 and door plant 16, a side of first protection curb plate 10 and the pre-buried board 9 fixed connection of tower section of thick bamboo, another side of first protection curb plate 10 is connected through 11 rotations of folding paper, a side of second protection curb plate 15 and the pre-buried board 9.
In this embodiment, the tower tube embedded plate 9 is a steel plate, and the embedded anchor bars 8 are welded to the tower tube embedded plate 9.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
1. The utility model provides a can external concrete tower section of thick bamboo of changing prestressing force steel strand, a serial communication port, locate concrete tower section of thick bamboo week side's the external prestressing force subassembly of multiunit (4) including concrete tower section of thick bamboo and evenly distributed and symmetry, external prestressing force subassembly (4) including prestressing force steel strand wires (6), adaptor (7), stiff end ground tackle and stretch-draw end ground tackle (14), adaptor (7) and the bottom fixed connection of concrete tower section of thick bamboo and evenly set up along concrete tower section of thick bamboo week side, the stiff end of prestressing force steel strand wires (6) can dismantle fixed connection through stiff end ground tackle and adaptor (7), the stretch-draw end of prestressing force steel strand wires (6) can dismantle fixed connection through stretch-draw end ground tackle (14) and concrete tower section of thick bamboo's top.
2. The concrete tower drum capable of replacing prestressed steel strands in vitro as claimed in claim 1, wherein the concrete tower drum comprises a tower drum base (1) and a tower drum main body (2) arranged on the tower drum base (1), the tower drum base (1) is uniformly provided with a plurality of basic embedded parts along the circumferential direction of the tower drum main body (2), the basic embedded parts comprise basic embedded anchor plates (5) and a plurality of prestressed anchor bolts (3), the prestressed anchor bolts (3) are fixed in the tower drum base (1), the top of the prestressed anchor bolts upwards extends out of the tower drum base (1) and is fixedly connected with the basic embedded anchor plates (5), the adapter part (7) comprises an adapter panel and an adapter bracket, the bottom of the adapter bracket is fixedly connected with the basic embedded anchor plates (5), and the top of the adapter bracket is fixedly connected with the adapter panel, a first through hole is formed in the middle of the switching panel, and the fixed end of the prestressed steel strand (6) penetrates through the first through hole to be detachably and fixedly connected with a fixed end anchorage device.
3. The concrete tower drum capable of replacing prestressed steel strands in vitro as claimed in claim 1, wherein a plurality of brackets (13) are uniformly arranged at the top end of the concrete tower drum in the circumferential direction, a second through hole is formed in the middle of each bracket (13) from top to bottom, and the tensioning end of each prestressed steel strand (6) penetrates through the second through hole to be detachably and fixedly connected with the tensioning end anchorage device (14).
4. The concrete tower drum capable of replacing prestressed steel strands in vitro according to claim 1, wherein the external prestressed assembly (4) further comprises a steel strand protection drum, and the steel strand protection drum is sleeved on the periphery of the steel strands and is fixedly connected with the outer wall of the concrete tower drum.
5. The concrete tower cylinder capable of replacing prestressed steel strands in vitro according to claim 4, wherein the steel strand protection cylinder comprises a first protection side plate (10), a second protection side plate (15) and a door plate (16), one side of the first protection side plate (10) is fixedly connected with the outer wall of the concrete tower cylinder, the other side of the first protection side plate (10) is rotatably connected with one side of the door plate (16) through a hinge (11), one side of the second protection side plate (15) is fixedly connected with the outer wall of the concrete tower cylinder, and the other side of the second protection side plate (15) is detachably and fixedly connected with the other side of the door plate (16).
6. The concrete tower cylinder capable of replacing prestressed steel strands in vitro as claimed in claim 4, wherein a protective cylinder fixing part is arranged on the outer wall of the concrete tower cylinder from top to bottom along the prestressed steel strands (6), the protective cylinder fixing part comprises a tower cylinder embedded plate (9) and embedded anchor bars (8) embedded from top to bottom, the tower cylinder embedded plate (9) is fixedly connected with the embedded anchor bars (8), and the steel strand protective cylinder is fixedly connected with the tower cylinder embedded plate (9).
7. A concrete tower drum with external replaceable prestressed steel strands according to claim 1, characterized in that it comprises at least four external prestressed components (4).
8. The concrete tower drum capable of replacing prestressed steel strands in vitro as claimed in claim 2, wherein each of said basic embedded parts comprises at least four prestressed anchor bolts (3).
9. The concrete tower drum capable of replacing prestressed steel strands in vitro as claimed in claim 1, wherein said prestressed steel strands (6) are sheathed prestressed steel strands.
10. The concrete tower drum capable of replacing prestressed steel strands in vitro as claimed in claim 2, wherein said prestressed anchor bolt (3) is a prestressed anchor bolt with a sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010366191.9A CN111519972A (en) | 2020-04-30 | 2020-04-30 | Concrete tower drum capable of replacing prestressed steel strands in vitro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010366191.9A CN111519972A (en) | 2020-04-30 | 2020-04-30 | Concrete tower drum capable of replacing prestressed steel strands in vitro |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111519972A true CN111519972A (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010366191.9A Pending CN111519972A (en) | 2020-04-30 | 2020-04-30 | Concrete tower drum capable of replacing prestressed steel strands in vitro |
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| Country | Link |
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| CN (1) | CN111519972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464221A (en) * | 2023-04-27 | 2023-07-21 | 青岛华斯壮能源科技有限公司 | Steel pipe concrete external prestress structure, wind power tower and installation method |
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|---|---|---|---|---|
| JPH0384176A (en) * | 1989-08-28 | 1991-04-09 | Ohbayashi Corp | Arrangement of pc structural steel for tower-like prestressed concrete structure |
| US20110138704A1 (en) * | 2010-06-30 | 2011-06-16 | General Electric Company | Tower with tensioning cables |
| CN204024188U (en) * | 2014-07-10 | 2014-12-17 | 中国电建集团西北勘测设计研究院有限公司 | A kind of concrete pylon external prestressing anchor Shu Pingheng screw stretching anchor device |
| CN208056678U (en) * | 2018-02-06 | 2018-11-06 | 南京安达交通设施工程有限公司 | A kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure |
| CN110259246A (en) * | 2019-06-27 | 2019-09-20 | 柳州欧维姆机械股份有限公司 | A kind of external stayed structure system of wind tower steel strand wires and its fabrication and installation method |
| CN212428270U (en) * | 2020-04-30 | 2021-01-29 | 同济大学建筑设计研究院(集团)有限公司 | Concrete tower drum capable of replacing prestressed steel strands in vitro |
-
2020
- 2020-04-30 CN CN202010366191.9A patent/CN111519972A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0384176A (en) * | 1989-08-28 | 1991-04-09 | Ohbayashi Corp | Arrangement of pc structural steel for tower-like prestressed concrete structure |
| US20110138704A1 (en) * | 2010-06-30 | 2011-06-16 | General Electric Company | Tower with tensioning cables |
| CN204024188U (en) * | 2014-07-10 | 2014-12-17 | 中国电建集团西北勘测设计研究院有限公司 | A kind of concrete pylon external prestressing anchor Shu Pingheng screw stretching anchor device |
| CN208056678U (en) * | 2018-02-06 | 2018-11-06 | 南京安达交通设施工程有限公司 | A kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure |
| CN110259246A (en) * | 2019-06-27 | 2019-09-20 | 柳州欧维姆机械股份有限公司 | A kind of external stayed structure system of wind tower steel strand wires and its fabrication and installation method |
| CN212428270U (en) * | 2020-04-30 | 2021-01-29 | 同济大学建筑设计研究院(集团)有限公司 | Concrete tower drum capable of replacing prestressed steel strands in vitro |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116464221A (en) * | 2023-04-27 | 2023-07-21 | 青岛华斯壮能源科技有限公司 | Steel pipe concrete external prestress structure, wind power tower and installation method |
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