CN103669594B - Steel Framed Structure with Special-Shaped Columns node is easily repaired after a kind of shake - Google Patents
Steel Framed Structure with Special-Shaped Columns node is easily repaired after a kind of shake Download PDFInfo
- Publication number
- CN103669594B CN103669594B CN201310703500.7A CN201310703500A CN103669594B CN 103669594 B CN103669594 B CN 103669594B CN 201310703500 A CN201310703500 A CN 201310703500A CN 103669594 B CN103669594 B CN 103669594B
- Authority
- CN
- China
- Prior art keywords
- steel
- column
- shape
- node
- shake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
Easily repair steel Framed Structure with Special-Shaped Columns node after a kind of shake, double flute girder steel, by beam-ends shrouding, is connected with hetermorphiscal column, forms the type of attachment of the full bolt of no-welding-seam; To no-welding-seam full bolt joint Shi Hanzhang cable wire, after forming the shake of prestressing force Self-resetting, easily repair node.Adopt prestressing force Self-resetting joint form, achieve the Self-resetting of shake posterior nodal point, greatly reduce the rear rehabilitation cost of shake; Improve the anti-seismic performance of node, thus improve the anti-seismic performance of frame structure system; The plurality of advantages such as compared with traditional steel building node, it is high that it has security performance, and environment pollution is little, and the few and construction costs of security incident is low.
Description
Technical field
The present invention relates to a kind of steel Framed Structure with Special-Shaped Columns node, belong to quake evaluation technical field, after particularly relating to a kind of shake, easily repair steel Framed Structure with Special-Shaped Columns node.
Background technology
Collapsing of building in earthquake threatens people's life safety and the topmost reason that causes any property loss.Wenchuan and Yaan earthquake show that concrete structure anti-seismic performance is not good, the steel work development of current China rapidly, especially prestressed steel structure technology is in international most advanced level, Bidirectional String Structure in National Gymnasium and Beijing University of Technology Gymnasium suspended-dome structure all create the maximum world record of homogeneous structure span at that time, have led the development of prestressed steel structure.Play prestressing technique advantage, apply it on Column Joint, anti-seismic performance and the self-resetting capability of node can be improved, and Column Joint designs to obtain the fine or not quality directly having influence on steel work.If component does not destroy and node had lost efficacy, just do not reach the original intention of seismic design of structures, more can not meet the design concept of " strong node, weak component ".
On January 17th, 1994, Los Angeles,U.S generation earthquake, the steel building of building more than 100 is in the fracture of bean column node position, and crackle originates from bean column node weld seam usually.After 1 year, the slope god of Japan there occurs earthquake, the display of shake " Invest, Then Investigate ", causes the basic reason of major part fracture to be the design of node and the problem of construction aspect.This two secondary earthquake has impelled the design of scholar's research and knot modification.Before Los Angeles earthquake occurs, this node is cheap, easy construction, and generally believed that this joint form can utilize Material ductility preferably at that time, impel beam-ends to occur plastic hinge, make node avoid destroying, realize the design philosophy of " strong node, weak component ".But in earthquake, this kind of joint form does not show due ductility, and has occurred brittle fracture prematurely, crackle originates from bean column node weld seam usually.Draw by analysis and cause the basic reason of major part fracture to be the design of node and the problem of construction aspect.10 years after the earthquake of Los Angeles, one of beam-to-column joint performance and the primary study content becoming field of steel structure of the impact on steel framed structure thereof.
Summary of the invention
Easily repair steel Frame joints with special-shaped column after having the object of the present invention is to provide a kind of shake, after its object is to improve structural seismic performance, minimizing shake, repair difficulty and maintenance cost; Easily repair steel Frame joints with special-shaped column basic comprising after shake and comprise Vierendeel girder, post, prestressed member, angle steel or friction member component; Concrete structure is in work progress, first top-seat-angle steel is installed, then high-strength steel pull bar be installed and carry out stretch-draw, under the effect of pull bar stretching force, beam column contact surface produces compressive stress, this compressive pre-stress provides larger resist torque by for node, and the frictional force of beam column contact surface will provide larger opposing shearing for node; Backing plate and beam-to-column joint plate are installed between beam end and post, prevent web and post from directly contacting and cause local stress excessive.
Prestressing force Self-resetting node base present principles: when geological process acquires a certain degree, the contact surface of beam column opens, and angle steel occurs plastic strain and consumes energy, thus avoids the damage of the main components such as beam column.After geological process, structure returns to original vertical position under prestressing force effect.Research shows, if at the web of beam or edge of a wing place design dissipative member, this connection stiffness intensity with entirely to weld node similar, and has good ductility; Post tensioning Self-resetting frame joint can obtain the strength and stiffness similar to conventional steel framework; But this Self-resetting node construction scene does not need welding, all with bolts or after factory welds in advance, carry out bolt connection again to job site.
The initial stiffness of node and welding node are substantially suitable, and when story drift reaches 5%, agent structure beam and column still keeps elasticity, and angle steel then enters plastic state with dissipation energy, and geological process posterior nodal point can be returned to its initial position.
Prestressed applying enables steel framed structure obtain higher safety factor; The major advantage of prestressed node: (1) has self-centering ability, thus permanent set after substantially reducing shake; (2) initial stiffness is comparatively large similar to full welding node, is equivalent to rigid joint; (3) under earthquake, beam column all keeps elasticity, and nonelastic deformation concentrates on node, and provides energy consume mechanism by the nonelastic deformation of node connector; (4) difficulty and cost is repaired after greatly reducing shake.
For achieving the above object, the technical solution used in the present invention is easily repair steel Frame joints with special-shaped column after a kind of shake, and involved beam is the double flute girder steel be made up of shaped steel, and double flute girder steel is spliced at beam-ends web plate by single channel-section steel.
Easily repair steel Frame joints with special-shaped column after shake and mainly comprise L shape, T-shaped, crisscross joint form, it is that frame corner L shape hetermorphiscal column is connected with double flute girder steel that L shape node connects; Concrete Connection Step is, beam-to-column joint plate welds in factory in advance with web plate, beam-to-column joint plate is perpendicular to web plate, web plate is positioned at the middle part of beam-to-column joint plate, it highly equals the shape steel web height of double flute girder steel, and the beam-to-column joint plate welded together and web plate are fixed on the L shape hetermorphiscal column edge of a wing by scene bolt; Double flute girder steel is made up of two steel channel beams, when double flute girder steel is connected with hetermorphiscal column, adopt the mode that single channel-section steel connects respectively, first channel-section steel angle with equal legs is connected with L shape hetermorphiscal column, channel-section steel is vertical with the edge of a wing of L shape hetermorphiscal column, after a channel-section steel connects, same mode connects another root channel-section steel; After double flute girder steel is connected with L shape hetermorphiscal column, two channel-section steel web plates connect into entirety, are connected by two channel-section steels with bolt with the web plate be positioned in the middle of two channel-section steels; T-section point, crisscross joint connect identical with L shape.
The form of hetermorphiscal column has three kinds, is respectively L shape hetermorphiscal column, T-shaped hetermorphiscal column, cross hetermorphiscal column; Easily repair steel Frame joints with special-shaped column after shake, its joint form comprises three kinds of specifications, is respectively the connection of L shape, T-shaped connects, cross connects; L shape node is that L shape hetermorphiscal column is connected with double flute girder steel; T-section point is that T-shaped hetermorphiscal column is connected with double flute girder steel; Crisscross joint is that cross hetermorphiscal column is connected with double flute girder steel; The prestressed arrangement of node is, connect the node that each is multi-form in the manner described above, after framework basically forms, by steel cable successively through the hole be reserved on the hetermorphiscal column edge of a wing, apply the prestress value calculated, be anchored on the hetermorphiscal column edge of a wing with permanent ground tackle.
Compared with prior art, the present invention has following beneficial effect.
1, easily repair in steel Frame joints with special-shaped column afterwards in above-mentioned shake, the beam adopted is all section steel beam, because the belly space of beam is comparatively large, is convenient to pipeline and passes, effectively increase stud.
2, easily steel Frame joints with special-shaped column is repaired after shake, bolt is adopted to carry out site assembly completely, eliminate traditional Site Welding mode and concreting mode, effectively ensure that construction quality, completely avoid the environment pollution that concreting and welded steel cause, realize " anhydrous, without fire, dustless " of site operation three without standard, decrease the generation of the hazardous accidents such as fire; The present invention, when component is removed, can recycle efficiently, decrease building waste, the real theory achieving environmental protection, is the steel structure node of a kind of green, sustainable development.
3, easy reparation steel Frame joints with special-shaped column after a kind of shake, adopts prestressing force Self-resetting joint form, achieves the Self-resetting of shake posterior nodal point, greatly reduce the rear rehabilitation cost of shake; Improve the anti-seismic performance of node, thus improve the anti-seismic performance of frame structure system.
4, it is overturning traditional steel building node that the shake that the present invention proposes easily repairs steel Frame joints with special-shaped column afterwards, has given full play to the advantage of steel work; The plurality of advantages such as compared with traditional steel building node, it is high that it has security performance, and environment pollution is little, and the few and construction costs of security incident is low.
Accompanying drawing explanation
Fig. 1 is channel steel type girder steel schematic diagram of the present invention.
Fig. 2 is that L shape prestressing force Self-resetting node of the present invention splits schematic diagram.
Fig. 3 is that T-shaped prestressing force Self-resetting node of the present invention splits schematic diagram.
Fig. 4 is that cross prestressing force Self-resetting node of the present invention splits schematic diagram.
Fig. 5 is L shape post schematic diagram of the present invention.
Fig. 6 is T-shaped post schematic diagram of the present invention.
Fig. 7 is cross section column schematic diagram of the present invention.
Fig. 8 is L shape Column border node decomposing schematic representation of the present invention.
Fig. 9 is T-shaped Column border node decomposing schematic representation of the present invention.
Figure 10 is cross section column Node Decomposition schematic diagram of the present invention.
In figure: 1, double flute girder steel, 2, angle with equal legs, 3, beam-to-column joint plate, 4, web plate, 5, single channel-section steel, 6, steel cable, 7, L shape hetermorphiscal column, 8, T-shaped hetermorphiscal column, 9, cross hetermorphiscal column.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Be illustrated in figure 1 channel steel type girder steel schematic diagram of the present invention, this shake is easily repaired in steel Frame joints with special-shaped column afterwards, and involved beam is the double flute girder steel 1 be made up of shaped steel, and double flute girder steel 1 is spliced at beam-ends web plate by single channel-section steel.
As shown in accompanying drawing 2 ~ 4, shake of the present invention is easily repaired in steel Frame joints with special-shaped column afterwards, easily repairs steel Frame joints with special-shaped column and mainly comprises L shape, T-shaped, crisscross joint form, list the broken away view of above three kinds of joint forms in figure respectively after shake; It is that frame corner L shape hetermorphiscal column 7 is connected with double flute girder steel 1 that L shape node connects; Concrete Connection Step is, beam-to-column joint plate 3 welds in factory in advance with web plate 4, beam-to-column joint plate 3 is perpendicular to web plate 4, web plate 4 is positioned at the middle part of beam-to-column joint plate 3, it highly equals the shape steel web height of double flute girder steel 1, and the beam-to-column joint plate 3 welded together is fixed on L shape hetermorphiscal column 7 edge of a wing with web plate 4 by scene bolt; Double flute girder steel 1 is made up of two steel channel beams, when double flute girder steel 1 is connected with post, adopt the mode that single channel-section steel 5 connects respectively, first channel-section steel angle with equal legs 2 is connected with L shape hetermorphiscal column 7, channel-section steel is vertical with the edge of a wing of L shape hetermorphiscal column 7, after a channel-section steel connects, same mode connects another root channel-section steel; After double flute girder steel 1 is connected with L shape hetermorphiscal column 7, two channel-section steel web plates 4 connect into entirety, are connected by two channel-section steels with bolt with the web plate 4 be positioned in the middle of two channel-section steels; T-section point, crisscross joint connect identical with L shape.
As shown in accompanying drawing 5-10, shake of the present invention is easily repaired in steel Frame joints with special-shaped column afterwards, and the form of hetermorphiscal column has three kinds, is respectively L shape hetermorphiscal column 7, T-shaped hetermorphiscal column 8, cross hetermorphiscal column 9; Easily repair steel Frame joints with special-shaped column after shake, its joint form comprises three kinds of specifications, is respectively the connection of L shape, T-shaped connects, cross connects; L shape node is that L shape hetermorphiscal column 7 is connected with double flute girder steel 1; T-section point is that T-shaped hetermorphiscal column 8 is connected with double flute girder steel 1; Crisscross joint is that cross hetermorphiscal column 9 is connected with double flute girder steel 1; Connect the node that each is multi-form in the manner described above, by steel cable 6 successively through the hole be reserved on the hetermorphiscal column edge of a wing, apply the prestress value calculated, be anchored on the hetermorphiscal column edge of a wing with permanent ground tackle.
Claims (1)
1. easily repair steel Framed Structure with Special-Shaped Columns node after a shake, it is characterized in that: beam is the double flute girder steel (1) be made up of shaped steel, double flute girder steel (1) is spliced at beam-ends web plate by two single channel-section steels (5);
Easily repair steel Frame joints with special-shaped column after shake and mainly comprise L shape, T-shaped, crisscross joint form, it is that frame corner L shape hetermorphiscal column (7) is connected with double flute girder steel (1) that L shape node connects; Concrete Connection Step is, beam-to-column joint plate (3) welds in factory in advance with web plate (4), beam-to-column joint plate (3) is perpendicular to web plate (4), web plate (4) is positioned at the middle part of beam-to-column joint plate (3), it highly equals the shape steel web height of double flute girder steel (1), and the beam-to-column joint plate (3) welded together and web plate (4) are fixed on L shape hetermorphiscal column (7) edge of a wing by scene bolt; Double flute girder steel (1) is made up of two steel channel beams, when double flute girder steel (1) is connected with post, adopt the mode that single channel-section steel (5) connects respectively, first channel-section steel angle with equal legs (2) is connected with L shape hetermorphiscal column (7), channel-section steel is vertical with the edge of a wing of L shape hetermorphiscal column (7), after a channel-section steel connects, same mode connects another root channel-section steel; After double flute girder steel (1) is connected with L shape hetermorphiscal column (7), two channel-section steel web plates (4) connect into entirety, are connected by two channel-section steels with bolt with the web plate (4) be positioned in the middle of two channel-section steels; T-section point, crisscross joint connect identical with L shape;
The form of hetermorphiscal column has three kinds, is respectively L shape hetermorphiscal column (7), T-shaped hetermorphiscal column (8), cross hetermorphiscal column (9); Easily repair steel Frame joints with special-shaped column after shake, its joint form comprises three kinds of specifications, is respectively the connection of L shape, T-shaped connects, cross connects; L shape node is that L shape hetermorphiscal column (7) is connected with double flute girder steel (1); T-section point is that T-shaped hetermorphiscal column (8) is connected with double flute girder steel (1); Crisscross joint is that cross hetermorphiscal column (9) is connected with double flute girder steel (1); Connect the node that each is multi-form in the manner described above, by steel cable (6) successively through the hole be reserved on the hetermorphiscal column edge of a wing, apply the prestress value calculated, be anchored on the hetermorphiscal column edge of a wing with permanent ground tackle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703500.7A CN103669594B (en) | 2013-12-19 | 2013-12-19 | Steel Framed Structure with Special-Shaped Columns node is easily repaired after a kind of shake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703500.7A CN103669594B (en) | 2013-12-19 | 2013-12-19 | Steel Framed Structure with Special-Shaped Columns node is easily repaired after a kind of shake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103669594A CN103669594A (en) | 2014-03-26 |
| CN103669594B true CN103669594B (en) | 2016-01-20 |
Family
ID=50308304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310703500.7A Active CN103669594B (en) | 2013-12-19 | 2013-12-19 | Steel Framed Structure with Special-Shaped Columns node is easily repaired after a kind of shake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103669594B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373048B (en) * | 2014-11-04 | 2016-11-09 | 国民油井华高石油设备（上海）有限公司 | There is connecting elements and the installation method thereof of cross angle steel |
| CN106245761A (en) * | 2016-08-19 | 2016-12-21 | 北京工业大学 | A kind of many high-rise assembling type steel structure Special-Shaped Column beam column node connection device |
| CN107044168A (en) * | 2017-05-26 | 2017-08-15 | 天津大学 | A kind of assembled rigid joint |
| CN108518022A (en) * | 2018-03-26 | 2018-09-11 | 太原理工大学 | A kind of connection structure of assembled Special-Shaped Column-lattice truss girder connection |
| CN108560753B (en) | 2018-04-20 | 2019-11-01 | 青岛理工大学 | Assembled intelligent node and installation method with particle damping shrinkage energy |
| CN108442518B (en) * | 2018-04-20 | 2019-08-13 | 青岛理工大学 | Oblique outer ring plate assembly type cross connects bean column node |
| CN112178352B (en) * | 2019-07-05 | 2022-06-28 | 中国石油化工股份有限公司 | Repair reinforcing structure of complex space steel pipe structure |
| CN113502918B (en) * | 2021-06-29 | 2023-02-21 | 上海通正铝结构建设科技有限公司 | Assembled aluminum alloy antidetonation frame construction |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410222A (en) * | 2013-07-26 | 2013-11-27 | 北京工业大学 | Fabricated multistory and high-rise prestressed self-resetting steel frame structure system provided with special-shaped columns |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4085023B2 (en) * | 2003-05-22 | 2008-04-30 | 株式会社織本匠構造設計研究所 | Connection structure of steel column or steel pipe column and beam reinforcement |
| JP2005133336A (en) * | 2003-10-28 | 2005-05-26 | Nippon Steel Corp | Structure and construction method for joining steel pipe column and h-shaped steel beam together |
-
2013
- 2013-12-19 CN CN201310703500.7A patent/CN103669594B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410222A (en) * | 2013-07-26 | 2013-11-27 | 北京工业大学 | Fabricated multistory and high-rise prestressed self-resetting steel frame structure system provided with special-shaped columns |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103669594A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103696498B (en) | Easily steel hetermorphiscal column-center support is repaired after a kind of shake | |
| CN103669570B (en) | A kind of novel shake easily repairs steel hetermorphiscal column-prestressing force center support afterwards | |
| CN103669594B (en) | Steel Framed Structure with Special-Shaped Columns node is easily repaired after a kind of shake | |
| CN103669650B (en) | Easily steel shaped pile frame-steel plate shear force wall is repaired after a kind of shake | |
| CN103711215B (en) | Easily steel shaped pile frame-accentric support frame is repaired after a kind of shake | |
| CN104895249B (en) | It is a kind of can in-situ immobilization combination suspension column | |
| CN102758499B (en) | Precast prestressed steel girder with post-seismic restorable function | |
| CN207919763U (en) | Assembled self- recoverage circular steel tube concrete combined joint | |
| CN103669567B (en) | Easily steel hetermorphiscal column-prestressing force accentric support frame is repaired after a kind of shake | |
| CN103696503A (en) | Novel post-earthquake easy-to-repair steel irregular column framework | |
| CN109113189B (en) | Self-resetting circular steel tube concrete frame beam column joint with web plate provided with energy dissipation piece | |
| CN105756217A (en) | Steel and wood hybrid earthquake resistant wall with post-earthquake self reset function | |
| CN103088917B (en) | There is after a kind of shake the novel prefabricated prestress steel frame structure system of Self-resetting function | |
| CN102587538B (en) | Dog-bone type coupled shear wall with end plates, bolts and steel coupling beams | |
| CN111749351A (en) | Self-resetting energy-consumption connecting device for assembly type shear wall | |
| CN216664470U (en) | Self-resetting steel frame beam column joint of crawler steel energy dissipation damper | |
| CN109339237B (en) | Self-resetting energy dissipation node of steel beam-concrete column | |
| CN103883027A (en) | Composite shear wall formed by embedding energy-dissipation bars between frame and wall with inbuilt steel plate and construction method | |
| CN103669722B (en) | Steel Framed Structure with Special-Shaped Columns suspension column is easily repaired after a kind of shake | |
| CN108708479B (en) | Orthogonal laminated wood shear wall-concrete core cylinder mixing Lateral Resistant System | |
| CN213572461U (en) | Energy dissipation structure of fabricated building | |
| CN104032832A (en) | Post-tensioning method prestress bamboo-wood framework | |
| CN103790259B (en) | Self-resetting concrete frame-central support structure system after a kind of shake | |
| CN102635175B (en) | Multipurpose structural seismic resistance energy consumption connecting piece | |
| CN210288683U (en) | Connection structure for improving earthquake resistance of PC frame node |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200826 Address after: Room 302, No. 8319, Yanshan Road, Bengbu City, Anhui Province Patentee after: Bengbu Lichao Information Technology Co.,Ltd. Address before: 100124 Chaoyang District, Beijing Ping Park, No. 100 Patentee before: Beijing University of Technology |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201023 Address after: 226300 Diwei Town Industrial Concentration Zone, Tongzhou District, Nantong City, Jiangsu Province Patentee after: Nantong New Fengwei Machinery Technology Co.,Ltd. Address before: Room 302, No. 8319, Yanshan Road, Bengbu City, Anhui Province Patentee before: Bengbu Lichao Information Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |