CN119531655A - A hollow sandwich concrete segmental prestressed column - Google Patents
A hollow sandwich concrete segmental prestressed column Download PDFInfo
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- CN119531655A CN119531655A CN202411803895.2A CN202411803895A CN119531655A CN 119531655 A CN119531655 A CN 119531655A CN 202411803895 A CN202411803895 A CN 202411803895A CN 119531655 A CN119531655 A CN 119531655A
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- 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
- E04H12/02—Structures made of specified materials
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/10—Ducts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
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- 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
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/201—Towers
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Abstract
本发明公开了一种中空夹层混凝土节段预应力柱，属于陆上风力发电的技术领域，包括中空结构的多节立柱,立柱包括外钢管和两个内钢管，两个内钢管之间设置有中间波纹钢管，中间波纹钢管外套接有螺旋钢板，外钢管、螺旋钢板和中间波纹钢管构成的空间内填充有混凝土结构体一，混凝土结构体一的上下两端均设置有环隔板，环隔板和外钢管之间设置有第二次预浇的混凝土结构体二，通过本发明，实现了采用体外预应力与体内预应力两者结合的方式，体外预应力保证立柱整体的受力稳定，体内预应力则保证了混凝土不会开裂，提升塔架的安全性，更好的控制了混凝土与钢管之间的结合质量，从而确保了混凝土与内外钢管之间的可靠结合，降低安全隐患的发生几率。
The present invention discloses a hollow sandwich concrete segment prestressed column, which belongs to the technical field of onshore wind power generation, and comprises a multi-section column with a hollow structure, wherein the column comprises an outer steel pipe and two inner steel pipes, an intermediate corrugated steel pipe is arranged between the two inner steel pipes, a spiral steel plate is connected to the outer shell of the intermediate corrugated steel pipe, a concrete structure body 1 is filled in the space formed by the outer steel pipe, the spiral steel plate and the intermediate corrugated steel pipe, an annular partition is arranged at both the upper and lower ends of the concrete structure body 1, a second precast concrete structure body 2 is arranged between the annular partition and the outer steel pipe, and the present invention realizes the combination of external prestressing and internal prestressing, wherein the external prestressing ensures the overall force stability of the column, and the internal prestressing ensures that the concrete will not crack, thereby improving the safety of the tower frame, better controlling the bonding quality between the concrete and the steel pipe, thereby ensuring the reliable bonding between the concrete and the inner and outer steel pipes, and reducing the probability of occurrence of safety hazards.
Description
Technical Field
The invention mainly relates to the technical field of land wind power generation, in particular to a hollow interlayer concrete segment prestress column.
Background
Today, where environmental pollution and greenhouse gas emissions are increasing, when wind power generation is taken as a global public proposal, it is effective to slow down climate change, improve energy safety, promote low-carbon economic growth, land wind power generation technology is a technology for converting wind energy into electric energy by using terrestrial surface wind resources through wind power generators, has high cost efficiency and resource effectiveness, and is basically composed of wind turbines, towers, electric equipment and foundations, the wind power generators are core parts of wind power generation systems, generally comprise blades, hubs, generators, gear boxes and control systems, the towers are used for supporting turbine blades and generators, and the heights are often several tens of meters to hundreds of meters so as to capture stronger and more stable wind, the electric equipment comprises transformers, switching equipment, control equipment, cables and the like, is used for converting the electric energy generated by the generators into electric energy suitable for the power grid and transmitting the electric energy to the power grid, and the foundations provide stable supporting structures for the towers and the turbines.
Wind power generation is a novel energy, the size of a fan in recent years is larger and larger, the required tower barrel height and diameter are also larger and larger, at present, in low wind speed areas, the tower is mainly divided into a split type pure steel tower, a steel-concrete combined tower and a truss type tower, wherein the upright post of the truss type tower is divided into a pure steel upright post and a hollow interlayer concrete upright post at present, the pure steel upright post is simple to manufacture and convenient to hoist, but the steel consumption of the upright post is large, the manufacturing cost is high, the economy is general, the hollow interlayer concrete upright post is pressure-bearing through concrete, the steel consumption of the upright post can be reduced, the manufacturing cost is reduced, the bonding quality between concrete and a steel pipe is difficult to control, and the concrete is easy to crack due to tension, so that potential safety hazards exist.
Based on the above, a hollow interlayer concrete segment prestressed column needs to be developed, and the mode of combining external prestressing force and internal prestressing force is adopted, so that the external prestressing force ensures the overall stress stability of the upright column, the internal prestressing force ensures that concrete cannot crack, the safety of a tower is improved, better combination between the concrete and a steel pipe is realized, and the upper limit of bearing strength is improved.
Disclosure of Invention
The technical scheme of the invention aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly mainly provides a hollow sandwich concrete segment prestressed column which is used for solving the technical problems that the quality of combination between concrete and a steel pipe is difficult to control, the concrete is easy to crack due to tension, and potential safety hazards exist in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
The hollow interlayer concrete segment prestressed column comprises a plurality of sections of columns of a hollow structure, wherein each column comprises an outer steel pipe and two inner steel pipes, the outer steel pipes and the inner steel pipes share the same central axis, the inner steel pipes are positioned at two ends of the outer steel pipes, a middle corrugated steel pipe is arranged between the two inner steel pipes, a spiral steel plate is sleeved outside the middle corrugated steel pipe, the outer edge of the spiral steel plate is tightly attached to the inner wall of the outer steel pipe, and a space formed by the outer steel pipes, the spiral steel plate and the middle corrugated steel pipe is filled with a first precast concrete structure;
The upper end and the lower end of the first concrete structure body are respectively provided with a ring baffle, the ring baffle above is provided with a plurality of reserved corrugated pipes at equal intervals along the circumferential direction, the ring baffle below is provided with a plurality of ribbed steel bars at equal intervals along the circumferential direction, the ribbed steel bars in two adjacent sections of upright posts are mutually spliced with the reserved corrugated pipes, and a second precast concrete structure body II is arranged between the ring baffle and the outer steel pipe.
Preferably, a plurality of segment prestressed steel strands are arranged in the concrete structure body at equal intervals in a surrounding mode, and each segment prestressed steel strand penetrates through a corresponding round hole in the spiral steel plate.
Preferably, two ends of each segment prestressed steel strand respectively pass through the corresponding annular partition plate, a second anchorage device is arranged between the upper end of each segment prestressed steel strand and the annular partition plate positioned above, and a first anchorage device is arranged between the lower end of each segment prestressed steel strand and the annular partition plate positioned below.
Preferably, each of the ring separators is provided with a plurality of reinforcing ribs at equal intervals in the circumferential direction, and the reinforcing ribs equally space apart the segment prestressed strands from the ribbed steel bars.
Preferably, the central axis position of each upright post is provided with a through-length prestressed duct, and the through-length prestressed duct is positioned in the middle corrugated steel pipe.
Preferably, flanges are arranged at two ends of each outer steel pipe.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, through the arrangement of the outer steel pipe, the inner steel pipe, the segment prestressed steel strands, the reinforced ribs, the annular partition plate, the through-length prestressed duct, the middle corrugated steel pipe, the first concrete structure body and the second concrete structure body, the mode of combining external prestressing force and internal prestressing force is adopted, the external prestressing force ensures the stability of the whole stress of the upright post, the internal prestressing force ensures that the concrete cannot crack, the safety of the tower is improved, the occurrence probability of potential safety hazards is reduced, the plurality of segment prestressed steel strands are connected by the action of the spiral steel plate, the spiral steel plate is clung to the inner wall of the outer steel pipe, the combination quality of the concrete and the steel pipe is better controlled, the better combination force transmission between the concrete and the steel pipe is ensured, the spiral steel plate, the segment prestressed steel strands and the middle corrugated steel pipe effectively disperse the acting force on the concrete, the existing tower prestressed steel wire harness is ensured not to be cracked, the longitudinal strength upper limit of the concrete is improved, the cracking probability is further reduced, the consumption of the load bearing market steel is reduced, and the market cost is also reduced.
(2) According to the invention, through the ribbed steel bar, the flange, the reserved corrugated pipe, the first anchorage device, the second anchorage device and the concrete structure body II, the anchorage devices at the two ends of the segment prestressed steel strand are stabilized, the overall stability of the upright post is further improved, and meanwhile, the reserved corrugated pipe and the ribbed steel bar are stabilized by the concrete structure body II, so that the upright post is structurally integrated, the external acting force is better supported, the epoxy adhesive is filled between the adjacent upright posts on the basis of splicing the reserved corrugated pipe and the ribbed steel bar, the tensile effect of the concrete in the upright posts and the overall stress stability of the upright posts are effectively improved, the reliable connectivity between the adjacent upright posts is ensured, and the problem of concrete cracking at the joint is reduced.
The invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic top view of a column of the present invention;
FIG. 2 is a schematic front view of a column according to the present invention;
FIG. 3 is a schematic cross-sectional view of the column A-A of the present invention;
FIG. 4 is a schematic view of a cross section of a column B-B according to the invention;
FIG. 5 is a schematic view of a section C-C of the column of the present invention;
FIG. 6 is a schematic view of a cross section of a column D-D of the present invention;
FIG. 7 is a schematic diagram showing axial measurement of a spiral steel plate according to the present invention
Fig. 8 is a schematic diagram of a cross-section of the ribbed rebar and reserved corrugated pipe of the present invention.
The steel pipe is characterized by comprising an outer steel pipe, an inner steel pipe, a section of prestress steel strand, a section of ribbed steel bar, a section of ring partition, a section of through-length prestress pore canal, a section of middle corrugated steel pipe, a section of flange, a section of reserved corrugated pipe, a section of first anchor, a section of second anchor, a section of first concrete structure, a section of second concrete structure and a section of spiral steel plate.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will be rendered by reference to the appended drawings, in which several embodiments of the invention are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this invention belongs, and the knowledge of terms used in the description of this invention herein for the purpose of describing particular embodiments is not intended to limit the invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
An embodiment I is shown with attention paid to the accompanying drawings 1-8, a hollow interlayer concrete segment prestressed column comprises a plurality of sections of columns of hollow structures, each column comprises an outer steel pipe 1 and two inner steel pipes 2, the outer steel pipe 1 and the inner steel pipes 2 share a central axis, the diameter of each outer steel pipe 1 is phi 1000 mm-1400 mm, the materials can be Q355 and Q420, the thickness is 18 mm-25 mm, the diameter of each inner steel pipe 2 is phi 500mm, the materials can be Q355 and Q420, the thickness is 5 mm-12mm, the inner steel pipes 2 are positioned at two ends of each outer steel pipe 1, a middle corrugated steel pipe 8 is arranged between the two inner steel pipes 2, a spiral steel plate 15 is sleeved outside the middle corrugated steel pipe 8, the outer edge of each spiral steel plate 15 is tightly attached to the inner wall of each outer steel pipe 1, a first concrete structure body 13 formed by the outer steel pipe 1, the spiral steel plate 15 and the middle corrugated steel pipe 8 is filled with a first precast concrete structure, the upper end and lower end of each concrete structure 13 are respectively provided with a ring separator 6, the ring separators 6 positioned above are arranged at equal intervals along the circumferential direction, a plurality of rings 10 are arranged at equal intervals, the positions of the rings 10 are arranged at the positions of the circumferences of the rings 6 along the two adjacent sides, the two sides of the two adjacent corrugated steel pipes 4 are in the circumferential directions, and the two adjacent corrugated steel pipes 4 are in the circumferential directions are reserved, and the joint 4 are reserved, when the joint 4 is needed, and a joint is reserved, and a joint is reserved between the two adjacent joint 4 is filled between the two adjacent steel ribs and the two adjacent steel pipes 4 are arranged, and a joint 4 is needed, and a joint is reserved, and a joint is needed, and a joint is 4 is reserved, when joint is 4.
Through the structure, the mode of combining external prestress and internal prestress is realized, the external prestress ensures that the whole stress of the upright post is stable, the internal prestress ensures that concrete cannot crack, the safety of the tower is improved, the combination quality between the concrete and the steel pipe is better controlled, thereby ensuring the reliable combination between the concrete and the inner steel pipe 2 and the outer steel pipe 1, reducing the occurrence probability of potential safety hazards, ensuring the reliable connectivity between the upright posts, and improving the tensile effect of the concrete inside the upright post and the stability of the whole stress of the upright post.
Precast concrete is needed to be precast twice in the upright post, the strength of the concrete can be C60 or C80, and the first precast concrete is cast after the first anchorage device 11, the second anchorage device 12, the segment prestressed steel strand 3, the ribbed steel bar 4 and the spiral steel plate 15 are preset by tensioning the fixed end;
The second precast concrete is formed by casting and sealing after the first anchorage device 11 and the second anchorage device 12 are installed and tensioned at the tensioning end and the reserved corrugated pipe 10 is preset, the inner steel pipe 2 is adopted within the range of 800mm at the two ends of the upright post, the middle corrugated steel pipes 8 are connected, the materials of the middle corrugated steel pipes 8 can be Q355 and Q420, the thickness is 4mm, the better combination force transmission between the concrete and the steel pipes can be ensured by adopting the middle corrugated steel pipes 8, meanwhile, the steel consumption can be saved, and the cost is reduced.
In the second embodiment, please refer to fig. 1 and 2, each ring separator 6 is provided with a plurality of reinforcement ribs 5 at equal intervals along the circumferential direction, the reinforcement ribs 5 equally space apart the segment prestressed steel strands 3 and the ribbed steel bars 4, the strength of the whole ring separator 6 is improved through the reinforcement ribs 5, meanwhile, the uniform distribution of the reinforcement ribs 5 is improved, the uniformity of stress is better, uneven cracking of concrete stress is avoided, the central axis position of each upright post is provided with a through-length prestressed duct 7, the through-length prestressed duct 7 is positioned inside the middle corrugated steel pipe 8, through-length prestressed duct 7 which needs to be stretched on site is reserved inside, the stretching noninterference of the existing tower segment prestressed steel strands 3 is ensured, flanges 9 are arranged at two ends of each outer steel pipe 1, and external connection between upright posts is realized through the flanges 9, so that the whole stress stability of the upright post is ensured through external prestress.
In a third embodiment, please refer to fig. 5, 6 and 7, a plurality of segment prestressed steel strands 3 are disposed in the first concrete structure 13 at equal intervals in a surrounding manner, each segment prestressed steel strand 3 passes through a corresponding round hole on the spiral steel plate 15, the segment prestressed steel strands 3 and the spiral steel plate 15 are combined to realize structural integration, external acting force is better supported, two ends of each segment prestressed steel strand 3 respectively pass through a corresponding annular partition plate 6, a second anchor 12 is disposed between the upper end of the segment prestressed steel strand 3 and the annular partition plate 6 located above, a first anchor 11 is disposed between the lower end of the segment prestressed steel strand 3 and the annular partition plate 6 located below, and two ends of the segment prestressed steel strand 3 are positioned through mutual cooperation between the first anchor 11 and the second anchor 12.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the embodiments described above, but is intended to be within the scope of the invention, as long as such insubstantial modifications are made by the method concepts and technical solutions of the invention, or the concepts and technical solutions of the invention are applied directly to other occasions without any modifications.
Claims (6)
1. The hollow interlayer concrete segment prestressed column comprises a plurality of sections of columns of a hollow structure, and is characterized by comprising an outer steel pipe (1) and two inner steel pipes (2), wherein the outer steel pipe (1) and the inner steel pipes (2) share a central axis, the inner steel pipes (2) are positioned at two ends of the outer steel pipe (1), a middle corrugated steel pipe (8) is arranged between the two inner steel pipes (2), a spiral steel plate (15) is sleeved outside the middle corrugated steel pipe (8), the outer edge of the spiral steel plate (15) is tightly attached to the inner wall of the outer steel pipe (1), and a first precast concrete structure (13) is filled in a space formed by the outer steel pipe (1), the spiral steel plate (15) and the middle corrugated steel pipe (8);
The concrete structure body I (13) is characterized in that annular partition plates (6) are arranged at the upper end and the lower end of the concrete structure body I (13), a plurality of reserved corrugated pipes (10) are arranged on the annular partition plates (6) located above at equal intervals along the circumferential direction, a plurality of ribbed steel bars (4) are arranged on the annular partition plates (6) located below at equal intervals along the circumferential direction, the ribbed steel bars (4) in two adjacent sections of upright posts are mutually spliced with the reserved corrugated pipes (10), and a second precast concrete structure body II (14) is arranged between the annular partition plates (6) and the outer steel pipe (1).
2. A hollow sandwich concrete segment prestressed column according to claim 1, characterized in that a plurality of segment prestressed steel strands (3) are arranged in the concrete structure (13) at equal intervals, and each segment prestressed steel strand (3) passes through a corresponding round hole in the spiral steel plate (15).
3. A hollow sandwich concrete segment prestressed column according to claim 2, characterized in that the two ends of each segment prestressed steel strand (3) respectively pass through the corresponding ring separator (6), a second anchorage device (12) is arranged between the upper end of the segment prestressed steel strand (3) and the ring separator (6) positioned above, and a first anchorage device (11) is arranged between the lower end of the segment prestressed steel strand (3) and the ring separator (6) positioned below.
4. A hollow sandwich concrete segment prestressed column according to claim 3, characterized in that each of said ring spacers (6) is provided with a plurality of reinforcement ribs (5) at equal intervals in the circumferential direction, and that the reinforcement ribs (5) equally space apart the segment prestressed strands (3) from the ribbed bars (4).
5. A hollow sandwich concrete segment prestressed column according to claim 1, characterized in that the central axis of each column is provided with a through-length prestressed duct (7), the through-length prestressed duct (7) being located inside the intermediate corrugated steel pipe (8).
6. A hollow sandwich concrete segment prestressed column according to claim 1, characterized in that the outer steel pipes (1) are each provided with flanges (9) at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411803895.2A CN119531655B (en) | 2024-12-10 | 2024-12-10 | A hollow sandwich concrete segmental prestressed column |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411803895.2A CN119531655B (en) | 2024-12-10 | 2024-12-10 | A hollow sandwich concrete segmental prestressed column |
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| CN119531655A true CN119531655A (en) | 2025-02-28 |
| CN119531655B CN119531655B (en) | 2025-09-30 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161349A (en) * | 2013-03-05 | 2013-06-19 | 南京联众建设工程技术有限公司 | Prestressing steel and concrete combined type tower pillar structure |
| CN207260437U (en) * | 2017-09-29 | 2018-04-20 | 新疆金风科技股份有限公司 | Concrete combination column |
| CN108678225A (en) * | 2018-06-29 | 2018-10-19 | 北京工业大学 | The built-in steel plate combined shear wall of built-in presstressed reinforcing steel steel pipe concrete frame and the practice |
| KR20190140684A (en) * | 2018-06-12 | 2019-12-20 | (주)블루웨이 | Prestressed Concrete Built-up Column using Precast Concrete Segment |
| CN112854602A (en) * | 2021-01-15 | 2021-05-28 | 东南大学 | Hollow corrugated pipe interlayer steel pipe concrete column |
| CN213981055U (en) * | 2020-09-03 | 2021-08-17 | 重庆大学 | Prestressed hollow sandwich concrete-filled steel tube lattice type hybrid tower |
| CN113789718A (en) * | 2021-09-29 | 2021-12-14 | 天津大学 | Self-resetting hollow sandwich concrete-filled steel tubular piers |
| CN115750219A (en) * | 2022-11-24 | 2023-03-07 | 西安建筑科技大学 | Assembled prestressed hollow sandwich steel pipe-UHPC lattice type wind power tower and construction method |
| CN116791821A (en) * | 2023-07-07 | 2023-09-22 | 山东科技大学 | Prestressed anchorage device for anchoring steel strand and construction method thereof |
-
2024
- 2024-12-10 CN CN202411803895.2A patent/CN119531655B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161349A (en) * | 2013-03-05 | 2013-06-19 | 南京联众建设工程技术有限公司 | Prestressing steel and concrete combined type tower pillar structure |
| CN207260437U (en) * | 2017-09-29 | 2018-04-20 | 新疆金风科技股份有限公司 | Concrete combination column |
| KR20190140684A (en) * | 2018-06-12 | 2019-12-20 | (주)블루웨이 | Prestressed Concrete Built-up Column using Precast Concrete Segment |
| CN108678225A (en) * | 2018-06-29 | 2018-10-19 | 北京工业大学 | The built-in steel plate combined shear wall of built-in presstressed reinforcing steel steel pipe concrete frame and the practice |
| CN213981055U (en) * | 2020-09-03 | 2021-08-17 | 重庆大学 | Prestressed hollow sandwich concrete-filled steel tube lattice type hybrid tower |
| CN112854602A (en) * | 2021-01-15 | 2021-05-28 | 东南大学 | Hollow corrugated pipe interlayer steel pipe concrete column |
| CN113789718A (en) * | 2021-09-29 | 2021-12-14 | 天津大学 | Self-resetting hollow sandwich concrete-filled steel tubular piers |
| CN115750219A (en) * | 2022-11-24 | 2023-03-07 | 西安建筑科技大学 | Assembled prestressed hollow sandwich steel pipe-UHPC lattice type wind power tower and construction method |
| CN116791821A (en) * | 2023-07-07 | 2023-09-22 | 山东科技大学 | Prestressed anchorage device for anchoring steel strand and construction method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 郭彤;宋良龙;张国栋;顾羽;: "腹板摩擦式自定心预应力混凝土框架梁柱节点的试验研究", 土木工程学报, no. 06, 15 June 2012 (2012-06-15) * |
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| CN119531655B (en) | 2025-09-30 |
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