CN101597918B - Prestressed giant brace-frame structure - Google Patents
Prestressed giant brace-frame structure Download PDFInfo
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- CN101597918B CN101597918B CN2009100319425A CN200910031942A CN101597918B CN 101597918 B CN101597918 B CN 101597918B CN 2009100319425 A CN2009100319425 A CN 2009100319425A CN 200910031942 A CN200910031942 A CN 200910031942A CN 101597918 B CN101597918 B CN 101597918B
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Abstract
The invention discloses a prestressed giant brace-frame structure which consists of frame beams, frame columns and prestressed giant braces. The frame beams and the frame columns are connected to form a frame; the prestressed giant braces cling to the frame plane, the two braces are intersected, span a plurality of floors in the longitudinal direction and stretch across a plurality of column spans respectively and form an included angle with the horizontal line, two ends are respectively connected with far-apart frame columns to form a plurality of structures with centres being prismatic and edges being hemiprismatic. The prestressed giant braces are flexible stay ropes, wherein the centres are provided with a plurality of buckle members which are sheathed on the prestressed giant braces and are fixedly connected with the frame columns. After the installation of the frame beams and the frame columns, the stay ropes are installed and are scratched. The prestressed giant braces effectively improve the frame lateral rigidity and reduce the number of the connecting nodes of a traditional frame-brace structure greatly, thus being convenient for construction and reducing the usage of nodes; reasonable prestress can improve the force distribution in the structure, thus improving the stability of the whole structure.
Description
Technical field
The present invention relates to a kind of multi-rise building structure, more particularly, relate to a kind of prestressed giant brace-frame structure.
Background technology
Frame construction and framework-braced structures are the common configuration forms of present multi-rise building.Frame construction belongs to flexible system, and suitable building height and antidetonation earthquake intensity are limited.When the anti-side rigidity of framework is difficult to satisfy technology, economic requirement, just can support be set at the intercolumniation of framework, form traditional framework-support system.Document (L.Di Sarno; A.S.Elnashai.Bracing systems for seismic retrofitting of steel frames.Journal ofConstructional Steel Research; 65 (2009): a kind of huge support that 452～465) proposes; In fact remain traditional diagonal angle and support, just change arrangement form.No matter traditional framework-support system adopts rigid support, or flexible support; No matter adopt center support, still eccentric the support since support always be arranged between adjacent pillars, between adjacent layer; Therefore all can there be more connected node; Both increased the numerous and diverse degree of construction, again because a lot of materials of node consumption make that the overall materials of engineering are high.
Summary of the invention
The objective of the invention is in order to overcome the deficiency that prior art exists; Effectively improve the anti-side rigidity of framework; Reduce the connected node quantity of conventional frame-braced structures, improve its node type of attachment, use material thereby effectively reduce node; Improve the construction convenience degree, and a kind of prestressed giant brace-frame structure is provided.
In order to realize above-mentioned purpose, a kind of prestressed giant brace-frame structure of the present invention supports 3 by Vierendeel girder 1, frame column 2 and prestressed giant and forms, and wherein said Vierendeel girder 1 is connected to form framework with frame column 2; Described prestressed giant supports 3 and is close to frame plane; Two each other intersect, and vertically separately stride some floors, across some post distances, form an angle with horizon; It is the prismatic shape that two ends are connected to form some centres with the frame column that is far apart 2 respectively, and the edge is the structure of half prismatic shape.
The middle part of above-mentioned described prestressed giant support 3 is provided with some covers and is buckled in the prestressed giant support 3 and the buckle member 4 that is fixedly connected with described frame column 2.
Above-mentioned described buckle member 4 is by the screwed U-shaped card 5 in two ends, and T shape junction plate 6 constitutes with nut 7, and the hole of offering on T shape junction plate 6 edges of a wing is passed at the two ends of wherein said U-shaped card 5, and is fixing with nut 7.
Above-mentioned described Vierendeel girder 1 is rigidly connected or is articulated and connected with being connected to of frame column 2.
Above-mentioned described Vierendeel girder 1 is steel or concrete filled steel tube with frame column 2 its materials.
It is flexible cable that above-mentioned described prestressed giant supports 3, and its cable body material is any in steel strand, wire rope, steel tendon and the reinforcing pull rod.
Above-mentioned described angle the best is 30～60 degree.
A kind of prestressed giant brace-frame structure of the present invention has the following advantages:
1. the anti-side rigidity of structure effectively improves.On the basis of conventional frame structure, the huge support that laterally arranges, and huge supporting plane links to each other in the end with frame plane, guaranteed that both are out of shape jointly under lateral loads, thereby formed parallelly connected anti-side structure, and the rigidity of structure obviously improves greatly.
2. number of nodes significantly reduces, and the node connection obtains simplifying.Tradition support be arranged between adjacent pillars, between adjacent layer; Just there are two connected nodes in long supporting rod about general 4m; Therefore the overall structure number of nodes is a lot, and owing to be the anti-side structure of series connection, support also need be rigidly connected with framework and could satisfy rigidity requirement under a lot of situation.The present invention adopts huge support, can reach tens meters, and only needs two connected nodes, and huge support and framework are for flexibly connecting; Simultaneously, because the existence of huge support, the framework type of attachment is under the prerequisite that satisfies anti-side rigidity; Can adopt articulated form, and motor-driven system can not occur, so the utility model had both significantly reduced support node quantity; Effectively simplify the framework type of attachment again, saved a lot of materials that connect.
3. prestressing force effectively improves the structural internal force distribution, improves structural performance.After huge support applies prestressing force, its prestressing force will pass to general frame through endpoint node, thereby apply prestressing force to overall structure.Through huge support gradation stretch-draw in batches, the inner prestressing force of implementation structure distributes by re-set target, thereby can offset the peak stress that service load produces, and makes overall structure internal force balanced; Through prestressed adjustment, can change the structure self-vibration characteristic, avoid close with the place predominant period, perhaps avoid carrying resonance with wind; Prestressing force can also increase the resistance to overturning of structure.
To combine accompanying drawing and embodiment that technology contents of the present invention is described further below; But following embodiment only is the present invention's example wherein; The rights protection scope of not representing the present invention and being limited, rights protection scope of the present invention is as the criterion with claims.
Description of drawings
Fig. 1 is applied to the sketch map of multi-layer construction structure for the present invention;
Fig. 2 is applied to the sketch map of high building structure for the present invention;
Fig. 3 supports the structural representation of middle part buckle member for prestressed giant;
Fig. 4 is the lateral view of Fig. 3;
Among the figure, 1. Vierendeel girder; 2. frame column; 3. prestressed giant supports; 4. buckle member; 5.U shape card; 6.T shape junction plate; 7. nut.
The specific embodiment
The present invention can be by following scheme implementation:
Multilayer prestressed giant brace-frame structure as shown in Figure 1 supports 3 by Vierendeel girder 1, frame column 2 and prestressed giant and forms.Vierendeel girder 1 all is a welded H section steel with frame column 2, beam, the post formation framework that is rigidly connected.It is the high-strength steel pull bar that prestressed giant supports 3; Two are crossed as the X type each other and are close to frame plane; Every prestressed giant supports 5 floors of longitudinal crossing; Laterally then cross over 4 to 5 post distances, prestressed giant supports 3 two ends and is connected to form the middle prismatic shape that is with the frame column that is far apart 2 respectively, and the edge is the structure of half prismatic shape.
Like Fig. 1, Fig. 3 and shown in Figure 4, the middle part of every prestressed giant support 3 is provided with a cover and is buckled in the prestressed giant support 3 and the buckle member 4 that is fixedly connected with frame column 2.Buckle member 4 is by the screwed U-shaped card 5 in two ends, and T shape junction plate 6 constitutes with nut 7.The web of T shape junction plate 6 supports 3 along prestressed giant and vertically places, and web base T shape is welded on the frame column 2; U-shaped card 5 hooks prestressed giant support 3 and passes the hole that T shape junction plate 6 edges of a wing are offered, and adopts nut 7 fixing.Buckle member 4 can limit prestressed giant and support 3 horizontal bigger vibration displacements, does not hinder support along dilatation longitudinally itself again.
After prestressed giant brace-frame structure installs, go along with sb. to guard him the system construction.Building, roof system adopt concrete profiled sheet composite floor system; Inner, external wall adopts on-the-spot composite plate, and prestressed giant supports 3 and hides in composite plate, can guarantee that so metope is clean and tidy, does not take usage space again.
Claims (6)
1. a prestressed giant brace-frame structure supports (3) by Vierendeel girder (1), frame column (2) and prestressed giant and forms, and it is characterized in that: described Vierendeel girder (1) is connected to form framework with frame column (2); Described prestressed giant supports (3) and is close to frame plane; Two each other intersect, and vertically separately stride some floors, across some post distances, form an angle with horizon; It is the prismatic shape that two ends are connected to form some centres with the frame column that is far apart (2) respectively, and the edge is the structure of half prismatic shape; The middle part of described prestressed giant support (3) also is provided with some covers and is buckled in the buckle member (4) that prestressed giant support (3) is gone up and is fixedly connected with described frame column (2).
2. a kind of prestressed giant brace-frame structure according to claim 1; It is characterized in that: described buckle member (4) is by the screwed U-shaped cards in two ends (5); T shape junction plate (6) and nut (7) constitute; The hole of offering on T shape junction plate (6) edge of a wing is passed at the two ends of wherein said U-shaped card (5), and is fixing with nut (7).
3. a kind of prestressed giant brace-frame structure according to claim 1 is characterized in that: described Vierendeel girder (1) is rigidly connected or is articulated and connected with being connected to of frame column (2).
4. a kind of prestressed giant brace-frame structure according to claim 1 is characterized in that: described Vierendeel girder (1) is steel or concrete filled steel tube with its material of frame column (2).
5. a kind of prestressed giant brace-frame structure according to claim 1 and 2 is characterized in that: it is flexible cable that described prestressed giant supports (3), and its cable body material is any in steel strand, wire rope and the steel tendon.
6. a kind of prestressed giant brace-frame structure according to claim 1 is characterized in that: described angle is 30～60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100319425A CN101597918B (en) | 2009-06-25 | 2009-06-25 | Prestressed giant brace-frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100319425A CN101597918B (en) | 2009-06-25 | 2009-06-25 | Prestressed giant brace-frame structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101597918A CN101597918A (en) | 2009-12-09 |
| CN101597918B true CN101597918B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100319425A Expired - Fee Related CN101597918B (en) | 2009-06-25 | 2009-06-25 | Prestressed giant brace-frame structure |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101787732B (en) * | 2010-02-11 | 2011-08-17 | 清华大学 | Cable-stayed multi-layer framework structure and construction control method thereof |
| CN102767234A (en) * | 2011-04-30 | 2012-11-07 | 黄靓 | Reinforced concrete frame structure with steel ropes |
| WO2014069971A1 (en) * | 2012-11-05 | 2014-05-08 | 조선대학교 산학협력단 | Pretension masonry wall reinforcement apparatus using steel wires, and masonry wall reinforcement method using same |
| CN103643738B (en) * | 2013-11-18 | 2016-06-22 | 同济大学建筑设计研究院(集团)有限公司 | A kind of Frame-Shear wall with flexible cable |
| CN104100016B (en) * | 2014-07-03 | 2016-08-24 | 同济大学 | The pre-stretch-draw installation method of buckling restrained brace |
| CN106677338A (en) * | 2017-01-20 | 2017-05-17 | 中衡设计集团股份有限公司 | Anti-seismic building structure provided with steel frame and crossed central support with link beams |
| CN108756282A (en) * | 2018-05-04 | 2018-11-06 | 河海大学 | A kind of bracing means and its installation method improving progressive collapse-resisting frame structure ability |
| CN108517956A (en) * | 2018-05-09 | 2018-09-11 | 苏州科技大学 | A kind of rope brace-frame structure and preparation method thereof with fuse |
| CN110616822B (en) * | 2019-09-27 | 2022-03-22 | 中国地质大学（北京） | Combined wall with L-shaped section of surface layer of light steel-steel cable-small-diameter material-composite board and manufacturing method thereof |
| CN113137108B (en) * | 2021-04-14 | 2022-09-23 | 国核电力规划设计研究院有限公司 | Spring layer supporting frame |
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2009
- 2009-06-25 CN CN2009100319425A patent/CN101597918B/en not_active Expired - Fee Related
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Address after: 212028 Zhenjiang, Dantu Metro Industrial Park Rui East Road, No. 9 Patentee after: Jiangsu University of Science and Technology Address before: 212003 Zhenjiang,, Jiangsu, Jiangsu University of Science and Technology, No. Patentee before: Jiangsu University of Science and Technology |
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Granted publication date: 20120125 Termination date: 20170625 |