CN205475692U - Fricative steel structure beam and column of shape memory alloy composite wing reason concatenation node - Google Patents
Fricative steel structure beam and column of shape memory alloy composite wing reason concatenation node Download PDFInfo
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- CN205475692U CN205475692U CN201620181554.0U CN201620181554U CN205475692U CN 205475692 U CN205475692 U CN 205475692U CN 201620181554 U CN201620181554 U CN 201620181554U CN 205475692 U CN205475692 U CN 205475692U
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Abstract
The utility model relates to a fricative steel structure beam and column of shape memory alloy composite wing reason concatenation node, this node comprises post, bracket, roof beam, web bolt, web splice plate, shape memory alloy silk, edge of a wing splice plate, two nut bolt, the post stretches out the bracket along the roof beam direction, and the web of bracket adopts the high -strength bolt concatenation with the web of roof beam, and two nut bolts are adopted on the edge of a wing of bracket and the concatenation of the edge of a wing of roof beam during the concatenation, and the shape memory alloy silk twines between two nut bolts. The utility model discloses a shape memory alloy composite wing is along friction steel structure beam and column concatenation node, the little time of earthquake, provide the power consumption ability by frictional damping, and the big time of earthquake, provide the power consumption ability jointly by frictional damping and super elastic damping, the back node is shaken and initial condition can be recovered, have the simple structure, the practicality is strong, the atress is clear and definite, highly energy -consuming, advantage such as restore to the throne certainly. According to the automatic silicon steel sheet leveling machine of the transformer.
Description
Technical field
This utility model belongs to construction engineering technical field, relates to a kind of marmem and is combined the beam column splicing node of edge of a wing friction, is particularly suited for the steel-frame structure having higher requirements antidetonation Self-resetting performance.
Background technology
Steel construction has the advantages such as high-strength light, anti-seismic performance is good, the construction period is short, is widely used in all kinds of building structure, is one of version of being most widely used at present.China is the country that an earthquake is multiple, and the anti-seismic performance for building structure requires higher, and especially high-rise and high-rise building anti-seismic problem is the most prominent.Therefore, the anti-seismic performance research of steel structure system has highly important society and economic implications.
Along with going deep into of building structure aseismatic theoretical and technological studies, how to design the structure not occurring to destroy or only occur to repair rapidly destruction in earthquake, be increasingly becoming one of important directions of current earthquake resistant engineering.This structural system of recovering mainly includes replaceable structural elements, swinging structure and Self-resetting structure etc..The ball of Self-resetting can enter formula winged and wave shock insulation pier stud (CN104278620A), the publication such as Self-reset girder-grid friction wall structural system (CN203583708U), Self-resetting shear wall (CN203626080U) with replaceable coupling beam has just carried out innovative design to can recover structural system.Meanwhile, as one of component node the most key in the architectural structure system also focus becoming innovative development, it has been disclosed that some patents in such as: a kind of have band angle steel assembly concrete framework composition node (CN204385908U) of Self-resetting function, a kind of there is Self-resetting function assembly concrete framework composition node (CN204385909U), a kind of Self-resetting concrete frame joint (CN203096950U) etc..
Marmem (Shape
Memory Alloy, SMA) it is a kind of important intellectual material, have that fatigue resistance is good, damping capacity is strong, recoverable deformation is big and steady performance.At present, in the antivibrator in field of civil engineering is the most more applied to energy-eliminating shock-absorbing structural system.There has also been some new design, as used the steel pipe column and H-shaped beam node (CN103216010B) of marmem bolt, a kind of using Self-resetting steel coupling beam (CN105113641B) of marmem bolt, Self-resetting beam column of steel structure shock-resistant node (CN105239674A) based on marmem cup spring group etc. in terms of Self-resetting node.In these nodes, marmem used is mainly the form such as screw rod, bolt, but marmem bolt is due to its mechanical sensitivity, it is to avoid the breakage problem of its end thread part is a great problem hindering its safety applications；It addition, current marmem makes and under level of processing, when cost is identical, the Properties of Shape-Memory Alloys of the form of larger-diameter rod or bar relatively silk material is poor；Meanwhile, merely utilizing shape memory alloy material to the seismic energy that dissipates, shape memory alloy material will propose too high requirement, these all will largely affect marmem and play due effect in Self-resetting node.
Therefore, develop the more stable shape memory alloy wire material of a kind of utility to carry out the highly energy-consuming node of node reset, will have certain realistic meaning.
Utility model content
The purpose of this utility model is the Self-resetting steel-structure beam-column node that the more stable shape memory alloy wire material of utility designs a kind of highly energy-consuming.
For realizing above-mentioned technical purpose, reaching above-mentioned technique effect, this utility model is achieved through the following technical solutions:
A kind of marmem is combined the beam column of steel structure splicing node of edge of a wing friction, this node includes post, bracket and beam, described post connects along beam direction and stretches out bracket, it is stitched together by web splice plate and web bolt between web and the web of beam of described bracket, it is stitched together by flange splice plate and double nut bolt between the edge of a wing and the edge of a wing of beam of described bracket, it is wound with shape-memory alloy wire between described double nut bolt and flange splice plate, and described double nut bolt applies suitable prestressing force to shape-memory alloy wire.
Further, gap is left in stitching portion between described bracket and the web of beam and the edge of a wing, on described flange splice plate, the bolt hole with the coupling part, the edge of a wing of beam is the slotted hole with stroke, for coordinating with double nut bolt, and described flange splice plate is friction treatment face with the contact surface on the edge of a wing of beam, during for sliding for the edge of a wing of beam is relative with flange splice plate, provide frictional damping.
Further, described double nut bolt is made up of outer nut, inner nut and screw rod, described screw rod two ends are provided with outer nut, it is provided with inner nut at screw position between outer nut and flange splice plate, inner nut is for shape-memory alloy wire Shi Hanzhang, and outer nut moves up and down for spacing shape-memory alloy wire.
Further, described shape-memory alloy wire is wound around on the screw rod being arranged between inner nut and outer nut.
Further, described shape-memory alloy wire uses NiTi marmem.
Further, described outer nut is nut structure.
Further, described post is for being welded to connect between I-shaped cross-section or box-type section, and described post and bracket.
Further, described bracket end haunch is arranged, and for guaranteeing that the plastic mechanisms of beam and column node occurs the stitching position at bracket Yu beam, in the middle part of described post, junction corresponding with the edge of a wing of bracket is provided with ribbed stiffener, for transmitting the concentration power that moment of flexure produces.
The beneficial effects of the utility model are:
This utility model, owing to make use of shape memory alloy wire material as reset material, has more practicality compared to the marmem bolt and screw rod utilizing bar；During little shake, frictional damping providing energy dissipation capacity, when shaking greatly, frictional damping and superelastic hysteretic damping jointly provide energy dissipation capacity, when earthquake occurs, dissipated seismic energy effectively, protects agent structure；Utilize the super-elasticity of shape-memory alloy wire so that shake posterior nodal point can restPose.Marmem of the present utility model is combined edge of a wing friction beam column of steel structure splicing node and has the advantages such as practical, stress clear and definite, highly energy-consuming, Self-resetting.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view in this utility model Fig. 1；
Fig. 3 is B-B cross-sectional view in this utility model Fig. 1;
Fig. 4 is flange splice section schematic detail view of the present utility model.
Label declaration in figure: 1. post, 2. bracket, 3. beam, 4. web bolt, 5. web splice plate, 6. shape-memory alloy wire, 7. flange splice plate, 8. double nut bolt, 81. outer nuts, 82. inner nuts, 83. screw rods.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, this utility model is described in detail.
Referring to figs. 1 through shown in Fig. 4, a kind of marmem is combined the beam column of steel structure splicing node of edge of a wing friction, this node includes post 1, bracket 2 and beam 3, described post 1 connects along beam 3 direction and stretches out bracket 2, it is stitched together by web splice plate 5 and web bolt 4 between web and the web of beam 3 of described bracket 2, it is stitched together by flange splice plate 7 and double nut bolt 8 between the edge of a wing and the edge of a wing of beam 3 of described bracket 2, it is wound with shape-memory alloy wire 6 between described double nut bolt 8 and flange splice plate 7, and described double nut bolt 8 applies suitable prestressing force to shape-memory alloy wire 6.
Gap is left in stitching portion between described bracket 2 and the web of beam 3 and the edge of a wing, on described flange splice plate 7, the bolt hole with the coupling part, the edge of a wing of beam 3 is the slotted hole with stroke, its short size is than the big 1-2mm of the diameter of bolt coordinated, length determines according to calculating to size, bolt hole on beam 3 is normal circular port, hole diameter is than the big 1-2mm of the diameter of bolt coordinated, for coordinating with double nut bolt 8, and described flange splice plate 7 is friction treatment face with the contact surface on the edge of a wing of beam 3, frictional damping is provided during for sliding for the edge of a wing of beam 3 is relative with flange splice plate 7.
Described double nut bolt 8 is made up of outer nut 81, inner nut 82 and screw rod 83, described screw rod 83 two ends are provided with outer nut 81, screw rod 83 position between outer nut 81 and flange splice plate 7 is provided with inner nut 82, inner nut 82 is for shape-memory alloy wire 6 Shi Hanzhang, and outer nut 81 moves up and down for spacing shape-memory alloy wire 6.
Described shape-memory alloy wire 6 is wound around and is arranged on the screw rod 83 between inner nut 82 and outer nut (81).
Described shape-memory alloy wire 6 uses NiTi marmem.
Described outer nut 81 is nut structure.
Described post 1 is for being welded to connect between I-shaped cross-section or box-type section, and described post 1 and bracket 2.
Described bracket 2 end haunch is arranged, and for guaranteeing that the plastic mechanisms of beam 3 and post 1 node occurs the stitching position at bracket 2 with beam 3, in the middle part of described post 1, junction corresponding with the edge of a wing of bracket 2 is provided with ribbed stiffener, for transmitting the concentration power that moment of flexure produces.
Below in conjunction with technical scheme and detailed description enforcement of the present utility model step:
Structure is analyzed by step (1), calculates the parameter such as the diameter of bolt and number, splice plate thickness, slotted hole size, shape-memory alloy wire diameter and the number of turns needed for splicing node；
Step (2) is in factory or job site processes post 1 and bracket 2 thereof, and carries out location and installation by normal construction order.
Step (3) pre-processed twin screw nut 8, wherein two nuts of one end can be pre-machined into fixing nut；Pre-processed beam 3, and offer screw in its end；Pre-processed splice plate, splices side to flange splice plate 7 and beam 3 and offers slotted hole；The contact surface on beam 3 edge of a wing Yu flange splice plate 7 is carried out friction treatment.
Beam 3 is lifted to installation site by step (4), places web splice plate 5 at bracket 1 and the beam 2 web left and right sides, and inserts web bolt 4, subsequently fastening nut, completes web splice.
Step (5) places flange splice plate 7 in the both sides up and down on bracket 1 and beam 2 edge of a wing, and inserts double nut bolt 8, then tightens inner nut 82 Shi Hanzhang；The screw rod of double nut bolt 8 is wound around shape-memory alloy wire, and considers Shi Hanzhang as required
This utility model principle
When normally using, web bolt 4 connection undertakes beam 3 and is transmitted to the shearing of vertical load, and double nut bolt 8 connection undertakes the beam-ends moment of flexure that vertical load causes.
When earthquake load is less, web bolt 4 still undertakes shearing；Sliding in the upper and lower edge of a wing of beam 3, it provides frictional damping power consumption with the contact surface of flange splice plate 7；Shape-memory alloy wire 6 is in austenitic state, does not undergoes phase transition, and undertakes beam-ends moment of flexure, and provides rigidity；At the end of earthquake, shape-memory alloy wire 6 is utilized to make node reset.
When earthquake load is bigger, web bolt 4 undertakes shearing；Sliding in the upper and lower edge of a wing of beam, it provides frictional damping power consumption with the contact surface of flange splice plate 7；Slide and drive double nut bolt 8 to slide in the edge of a wing, thus tension shape memory alloy wire 6 occurs martensitic phase transformation, produces Internal Friction Associated with Phase Transformation, it is provided that superelastic hysteretic damping, and node forms plastic hinge mechanism；At the end of earthquake, the super-elasticity of shape-memory alloy wire 6 is utilized to make node reset.
In the process, web bolt 4 undertakes shearing all the time, and the contact surface of flange splice plate 7 and flange of beam provides frictional damping, and shape-memory alloy wire 6 provides superelastic hysteretic damping when larger earthquake load, and meanwhile, shape-memory alloy wire 6 provides node reset ability.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (8)
1. a marmem is combined the beam column of steel structure splicing node that the edge of a wing rubs, this node includes post (1), bracket (2) and beam (3), it is characterized in that, described post (1) connects along beam (3) direction and stretches out bracket (2), it is stitched together by web splice plate (5) and web bolt (4) between web and the web of beam (3) of described bracket (2), it is stitched together by flange splice plate (7) and double nut bolt (8) between the edge of a wing and the edge of a wing of beam (3) of described bracket (2), it is wound with shape-memory alloy wire (6) between described double nut bolt (8) and flange splice plate (7), and described double nut bolt (8) applies suitable prestressing force to shape-memory alloy wire (6).
Marmem the most according to claim 1 is combined the beam column of steel structure splicing node of edge of a wing friction, it is characterized in that, gap is left in stitching portion between web and the edge of a wing of described bracket (2) and beam (3), described flange splice plate (7) is upper and the bolt hole of the coupling part, the edge of a wing of beam (3) is the slotted hole with stroke, for coordinating with double nut bolt (8), and described flange splice plate (7) is friction treatment face with the contact surface on the edge of a wing of beam (3), frictional damping is provided during for sliding for the edge of a wing of beam (3) is relative with flange splice plate (7).
Marmem the most according to claim 2 is combined the beam column of steel structure splicing node of edge of a wing friction, it is characterized in that, described double nut bolt (8) is by outer nut (81), inner nut (82) and screw rod (83) composition, described screw rod (83) two ends are provided with outer nut (81), screw rod (83) position between outer nut (81) and flange splice plate (7) is provided with inner nut (82), inner nut (82) is for shape-memory alloy wire (6) Shi Hanzhang, outer nut (81) moves up and down for spacing shape-memory alloy wire (6).
Marmem the most according to claim 3 is combined the beam column of steel structure splicing node of edge of a wing friction, it is characterized in that, described shape-memory alloy wire (6) is wound around on the screw rod (83) being arranged between inner nut (82) and outer nut (81).
Marmem the most according to claim 4 is combined the beam column of steel structure splicing node of edge of a wing friction, it is characterised in that described shape-memory alloy wire (6) uses NiTi marmem.
6. it is combined the beam column of steel structure splicing node of edge of a wing friction according to the marmem described in claim 3 or 4, it is characterised in that described outer nut (81) is nut structure.
Marmem the most according to claim 1 is combined the beam column of steel structure splicing node of edge of a wing friction, it is characterised in that described post (1) is I-shaped cross-section or box-type section, and for being welded to connect between described post (1) and bracket (2).
Marmem the most according to claim 7 is combined the beam column of steel structure splicing node of edge of a wing friction, it is characterized in that, described bracket (2) end haunch is arranged, for guaranteeing that the plastic mechanisms of beam (3) and post (1) node occurs the stitching position at bracket (2) Yu beam (3), described post (1) middle part is provided with ribbed stiffener with the corresponding junction, the edge of a wing of bracket (2), for transmitting the concentration power that moment of flexure produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620181554.0U CN205475692U (en) | 2016-03-10 | 2016-03-10 | Fricative steel structure beam and column of shape memory alloy composite wing reason concatenation node |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620181554.0U CN205475692U (en) | 2016-03-10 | 2016-03-10 | Fricative steel structure beam and column of shape memory alloy composite wing reason concatenation node |
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| CN205475692U true CN205475692U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620181554.0U Expired - Fee Related CN205475692U (en) | 2016-03-10 | 2016-03-10 | Fricative steel structure beam and column of shape memory alloy composite wing reason concatenation node |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672476A (en) * | 2016-03-10 | 2016-06-15 | 苏州科技学院 | Shape memory alloy composite flange friction steel structure beam column splicing joint |
| CN106638991A (en) * | 2017-02-23 | 2017-05-10 | 湖南大学 | Assembly type energy consumption beam column node |
| CN108222628A (en) * | 2018-03-26 | 2018-06-29 | 郑州航空工业管理学院 | A kind of silo intercolumniation energy-consumption shock-absorption device |
| CN109024919A (en) * | 2018-10-10 | 2018-12-18 | 安徽建筑大学 | Combine prefabrication and assembly construction steel structure earthquake-resistant connecting node |
| CN109457804A (en) * | 2018-12-19 | 2019-03-12 | 长安大学 | A kind of recoverable assembled beam-column connecting node of function and construction method |
| CN111980190A (en) * | 2019-05-21 | 2020-11-24 | 任吉如 | Anti-seismic device for building |
| CN112709320A (en) * | 2019-10-24 | 2021-04-27 | 深圳市建筑设计研究总院有限公司 | Loading and node connection method for secondary self-reaction structure |
-
2016
- 2016-03-10 CN CN201620181554.0U patent/CN205475692U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672476A (en) * | 2016-03-10 | 2016-06-15 | 苏州科技学院 | Shape memory alloy composite flange friction steel structure beam column splicing joint |
| CN106638991A (en) * | 2017-02-23 | 2017-05-10 | 湖南大学 | Assembly type energy consumption beam column node |
| CN108222628A (en) * | 2018-03-26 | 2018-06-29 | 郑州航空工业管理学院 | A kind of silo intercolumniation energy-consumption shock-absorption device |
| CN109024919A (en) * | 2018-10-10 | 2018-12-18 | 安徽建筑大学 | Combine prefabrication and assembly construction steel structure earthquake-resistant connecting node |
| CN109457804A (en) * | 2018-12-19 | 2019-03-12 | 长安大学 | A kind of recoverable assembled beam-column connecting node of function and construction method |
| CN111980190A (en) * | 2019-05-21 | 2020-11-24 | 任吉如 | Anti-seismic device for building |
| CN112709320A (en) * | 2019-10-24 | 2021-04-27 | 深圳市建筑设计研究总院有限公司 | Loading and node connection method for secondary self-reaction structure |
| CN112709320B (en) * | 2019-10-24 | 2022-03-04 | 深圳市建筑设计研究总院有限公司 | Loading and node connection method for secondary self-reaction structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180310 |