CN110318464A - A kind of Self-resetting frame structure - Google Patents

A kind of Self-resetting frame structure Download PDF

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Publication number
CN110318464A
CN110318464A CN201910424476.0A CN201910424476A CN110318464A CN 110318464 A CN110318464 A CN 110318464A CN 201910424476 A CN201910424476 A CN 201910424476A CN 110318464 A CN110318464 A CN 110318464A
Authority
CN
China
Prior art keywords
plate
steel
steel column
self
crossbeam
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.)
Pending
Application number
CN201910424476.0A
Other languages
Chinese (zh)
Inventor
陈跃
蔡可键
赵健
李青倩
律清
徐榕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo University of Technology
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Ningbo University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo University of Technology filed Critical Ningbo University of Technology
Priority to CN201910424476.0A priority Critical patent/CN110318464A/en
Publication of CN110318464A publication Critical patent/CN110318464A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/024Structures with steel columns and beams
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2415Brackets, gussets, joining plates
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2418Details of bolting
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2439Adjustable connections, e.g. using elongated slots or threaded adjustment elements

Abstract

The invention proposes a kind of Self-resetting frame structures comprising: the steel column being set on basis;The crossbeam being set between two steel columns;The presstressed reinforcing steel being embedded between two steel columns in crossbeam;Connection structure with connecting cross beam and steel column is set between crossbeam and steel column;The connection structure includes: the first plate being mutually hinged and the second plate, is set to the replaceable Wasted-energy steel plate for connecting the first plate and the second plate between the first plate and the second plate;First plate is fixedly connected with steel column;Second plate is fixedly connected with crossbeam.In the Self-resetting frame structure, energy consumption is concentrated on into replaceable Wasted-energy steel plate, and residual deformation is reduced using presstressed reinforcing steel, it is not in damage with the crossbeam for guaranteeing that structure undertakes gravity laod when undergoing the geological process of some strength and after shake, convenient for the reparation after earthquake.

Description

A kind of Self-resetting frame structure
Technical field
The present invention relates to anti-seismic structure technical field more particularly to a kind of Self-resetting frame structures.
Background technique
Traditional Seismic Design Thought is to protect life as target, in Aseismic Design, is avoided by carrying out Ductility Design Structure occurs brittle break and even collapses, to provide possibility for escape.In recent years, seimic disaster census shows traditional resist for several times Shake design can reach satisfiedly this target.However, to realize that this antidetonation target, design specification allow structure mainly to resist Plastic deformation occurs for side force component with the seismic energy in the input structure that dissipates, but this can make structural elements generate damage and remnants Deformation eventually leads to structure and is difficult to the destruction repaired and then loses using function, while will suffer from huge economic loss. Therefore, the structure according to traditional antidetonation theory design, which is more focused on, protects life when earthquake occurs, and has ignored structure and shaking Restorability and original forfeiture using function afterwards.
For example, Chinese patent CN107842242A discloses a kind of steel structure earthquake-resistant frame structure, the steel structure earthquake-resistant frame Frame structure includes sole plate, steel column;Adjacent steel column is connected by girder steel;Girder steel includes the beam body of I-steel shape, beam body packet Include upper flange, lower wing plate and web;The flexible supporting element supported on both sides of web;Elastic supporting member for supporting optical member is by elastic steel bar Curved At waveform configuration;The both ends of beam body are slidably connected with the head that is slidably connected, and the both ends of elastic supporting member for supporting optical member are connected to pair That answers is slidably connected on head;Support bracket structure is provided on the side of steel column, the both ends of beam body are supported on corresponding steel column It supports on bracket structure.The steel structure earthquake-resistant frame structure does not consider restorability of the structure after shake.
Summary of the invention
Technical problem to be solved by the present invention lies in the structure of traditional antidetonation theory design is more focused on to be occurred in earthquake When protect life, and have ignored restorability and original forfeiture using function of the structure after shake.
The Self-resetting frame structure includes:
The steel column being set on basis;
The crossbeam being set between two steel columns;
The presstressed reinforcing steel being embedded between two steel columns in crossbeam;
Connection structure with connecting cross beam and steel column is set between crossbeam and steel column;The connection structure includes: mutual hinge The first plate and the second plate that are connected together are set between the first plate and the second plate to connect the first plate and second The replaceable Wasted-energy steel plate of plate;First plate is fixedly connected with steel column;Second plate is fixedly connected with crossbeam.
Further, the crossbeam is i shaped steel, and both ends are respectively fixed with third plate;Third plate and the second plate Part is bolted to connection together.
Further, the two sides up and down of the crossbeam and third plate junction are provided with deep floor.
Further, first plate is equipped with hinged seat;It is provided on second plate and is cut with scissors with the hinged seat The interconnecting piece being connected together.
Further, the first replaceable consumption being provided between first plate and the second plate below hinged seat Energy steel plate, and the second replaceable Wasted-energy steel plate above hinged seat.
Further, the slot of several lateral strips is provided on the replaceable Wasted-energy steel plate.
Further, the slot is gradually narrowed from centre to both ends.
Further, the steel column be i shaped steel, if inside be embedded in height corresponding with crossbeam junction Dry transversely stiffened plate.
Further, which, which has specifically included, is located in the middle the first steel column, is located at the first steel column two The second steel column and third steel column of side;The presstressed reinforcing steel extends to third steel column by the first steel column from the second steel column.
Further, first plate is bolted to connection with steel column.
In the Self-resetting frame structure, energy consumption is concentrated on into replaceable Wasted-energy steel plate, and reduce remnants using presstressed reinforcing steel Deformation is not in damage with the crossbeam for guaranteeing that structure undertakes gravity laod when undergoing the geological process of some strength and after shake Wound, convenient for the reparation after earthquake.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Self-resetting frame structure in the embodiment of the present invention.
Fig. 2 is enlarged drawing of the Fig. 1 at A.
Fig. 3 is the structural schematic diagram of replaceable Wasted-energy steel plate in the embodiment of the present invention.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.In the following description, the specific detail of such as specific configuration and component is provided Just for the sake of helping comprehensive understanding the embodiment of the present invention.It therefore, it will be apparent to those skilled in the art that can be to retouching here The embodiment stated makes various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, saving The description to known function and construction is omited.
In frame structure, beam is the main primary structure member of structure, while undertaking gravity laod and resisting geological process power Dual function.Since the beam in conventional frame structure belongs to and connects between geological process function undertaking gravity laod and resist Relationship, under geological process, there is plastic hinge in beam, and dissipation energy will lead to beam rigidity and strength deterioration and generate biggish residual Remaining deformation makes it not be able to satisfy normal usage function requirement.
Self-resetting frame structure in the embodiment of the present invention can solve the above problems, with reference to the accompanying drawing to the Self-resetting frame Frame structure illustrates.
Referring to figs. 1 to Fig. 3, Self-resetting frame structure includes: the steel column 20 being set on basis 10;It is set to two steel columns Crossbeam 30 between 20;The presstressed reinforcing steel 40 being embedded between two steel columns 20 in crossbeam 30;Be set to crossbeam 30 and steel column 20 it Between with the connection structure 50 of connecting cross beam 30 and steel column 20;The connection structure 50 includes: the first plate being mutually hinged It 51 and second plate 52, is set between the first plate 51 and the second plate 52 to connect the first plate 51 and the second plate 52 Replaceable Wasted-energy steel plate 53;First plate 51 is fixedly connected with steel column 20;Second plate 52 is fixedly connected with crossbeam 30.
Replaceable Wasted-energy steel plate 53 is that the mild steel plate of low surrender is replaceable energy consumption part;Energy consumption is concentrated on into replaceable consumption Can steel plate 53, and using presstressed reinforcing steel 40 reduce residual deformation, with guarantee structure undergo some strength geological process when and The crossbeam 30 that gravity laod is undertaken after shake is not in damage, convenient for the reparation after earthquake.
Presstressed reinforcing steel 40 is usually made of single or bundles of steel wire, steel strand wires or reinforcing bar.It mainly applies beam body Transverse pressure guarantees beam body under the appointing of twisting resistance, and concrete does not occur lateral shear tensile stress.Presstressed reinforcing steel 40 can reduce Residual deformation realizes the Self-resetting mechanism of structure.
In some embodiments, the crossbeam 30 is i shaped steel, and both ends are respectively fixed with third plate 30a;The Three plates 31 and the second plate 52 are bolted to connection together.
In some embodiments, first plate 51 is bolted to connection with steel column 20.
It is bolted and fixed between connection structure 50 and steel column 20, crossbeam 30, dismounting and change can be carried out in damage.
In some embodiments, the crossbeam 30 and the two sides up and down of 31 junction of third plate are provided with deep floor 32.Deep floor 32 can be used for the bonding strength of web beam 30 and 31 junction of third plate and the rigidity of connection.
Further, deep floor 32 is right angled triangle, and two right-angle sides, which are respectively welded, is fixed on crossbeam 30, third plate On part 31.
In some embodiments, first plate 51 is equipped with hinged seat 511;It is provided on second plate 52 The hinged interconnecting piece 521 with the hinged seat 511.
Specifically, hinged seat 511 can be by a stud connection with interconnecting piece 521 together with.
In some embodiments, it is provided under hinged seat 511 between first plate 51 and the second plate 52 First replaceable Wasted-energy steel plate 53 of side, and the second replaceable Wasted-energy steel plate 53 above hinged seat 511.
When connection structure 50 is by external force, the first replaceable Wasted-energy steel plate 53 and the second replaceable Wasted-energy steel plate 53 can It prevents the first plate 51 from relatively rotating with the second plate 52 around hinge joint, keeps stable structure.First replaceable energy consumption steel Plate and the second replaceable Wasted-energy steel plate can deform in relative rotational motion of first plate 51 with the second plate 52, make total Body structure remained stable.
In some embodiments, the slot of several lateral strips is provided on the replaceable Wasted-energy steel plate 53 53a。
Further, replaceable Wasted-energy steel plate 53 is low surrender mild steel plate with holes.
In some embodiments, the slot 53a is gradually narrowed from centre to both ends.
In some embodiments, the steel column 20 be i shaped steel, inside in height corresponding with 30 junction of crossbeam Several transversely stiffened plate 20a are embedded on degree.It is corresponding with 30 junction of crossbeam that transversely stiffened plate 20a is set to steel column 20 In height, it can avoid the external force conducted by junction and destroy steel column 20, increase the intensity of steel column 20.
In some embodiments, which, which has specifically included, is located in the middle the first steel column 22, is located at The second steel column 21 and third steel column 23 of first steel column, 22 two sides;The presstressed reinforcing steel 40 passes through the first steel column from the second steel column 21 22 extend to third steel column 23.
Presstressed reinforcing steel 40 runs through the first steel column 22, the second steel column 21 and third steel column 23 simultaneously, and total is laterally connected It is connected together, further increases the stability of structure.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (10)

1. a kind of Self-resetting frame structure characterized by comprising
The steel column being set on basis;
The crossbeam being set between two steel columns;
The presstressed reinforcing steel being embedded between two steel columns in crossbeam;
Connection structure with connecting cross beam and steel column is set between crossbeam and steel column;The connection structure includes: to be hinged The first plate and the second plate together are set between the first plate and the second plate to connect the first plate and the second plate Replaceable Wasted-energy steel plate;First plate is fixedly connected with steel column;Second plate is fixedly connected with crossbeam.
2. Self-resetting frame structure according to claim 1, which is characterized in that the crossbeam is i shaped steel, both ends It is respectively fixed with third plate;Third plate and the second plate are bolted to connection together.
3. Self-resetting frame structure according to claim 2, which is characterized in that the crossbeam and third plate junction Upper and lower two sides are provided with deep floor.
4. Self-resetting frame structure according to claim 1, which is characterized in that first plate is equipped with hinged seat; The interconnecting piece hinged with the hinged seat is provided on second plate.
5. Self-resetting frame structure according to claim 4, which is characterized in that between first plate and the second plate It is provided with the first replaceable Wasted-energy steel plate being located at below hinged seat, and the second replaceable energy consumption steel above hinged seat Plate.
6. Self-resetting frame structure according to claim 1, which is characterized in that be provided on the replaceable Wasted-energy steel plate The slot of several lateral strips.
7. Self-resetting frame structure according to claim 6, which is characterized in that the slot is gradually received from centre to both ends It is narrow.
8. Self-resetting frame structure according to claim 1, which is characterized in that the steel column is i shaped steel, inside Several transversely stiffened plates are embedded in height corresponding with crossbeam junction.
9. Self-resetting frame structure according to claim 1, which is characterized in that the Self-resetting frame structure has specifically included It is located in the middle the first steel column, the second steel column and third steel column positioned at the first steel column two sides;The presstressed reinforcing steel is from the second steel Column extends to third steel column by the first steel column.
10. Self-resetting frame structure according to claim 8, which is characterized in that first plate and steel column pass through spiral shell Bolt is fixedly connected.
CN201910424476.0A 2019-05-21 2019-05-21 A kind of Self-resetting frame structure Pending CN110318464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910424476.0A CN110318464A (en) 2019-05-21 2019-05-21 A kind of Self-resetting frame structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910424476.0A CN110318464A (en) 2019-05-21 2019-05-21 A kind of Self-resetting frame structure

Publications (1)

Publication Number Publication Date
CN110318464A true CN110318464A (en) 2019-10-11

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10121772A (en) * 1996-10-21 1998-05-12 Okumura Corp Vibrational-energy absorption damper
JPH11241526A (en) * 1998-02-24 1999-09-07 Ntt Power And Building Facilities Inc Seismic control wall and its attaching method, and seismic control structure using its wall
CN1594908A (en) * 2004-06-30 2005-03-16 大连理工大学 Double-X type flexible steel damper
CN101936045A (en) * 2010-08-20 2011-01-05 沈阳建筑大学 Steel plate energy dissipation device used in construction
CN102251602A (en) * 2011-05-30 2011-11-23 上海建科结构新技术工程有限公司 Anti-seismic damper of shearing type opening soft steel building structure
CN105040817A (en) * 2015-07-30 2015-11-11 北京建筑大学 Prestressed assembled middle column steel frame recoverable in function
CN106049671A (en) * 2016-05-25 2016-10-26 北京交通大学 Fabricated steel frame and steel plate shear wall structure replaceable after earthquake
CN206428853U (en) * 2017-01-23 2017-08-22 青岛理工大学 A kind of oblique prestressed shear wall structure system of the energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction
CN108589914A (en) * 2018-06-26 2018-09-28 西安建筑科技大学 A kind of Self-resetting frame structure and construction method
CN108978866A (en) * 2018-08-14 2018-12-11 广州大学 A kind of beam-column connection

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10121772A (en) * 1996-10-21 1998-05-12 Okumura Corp Vibrational-energy absorption damper
JPH11241526A (en) * 1998-02-24 1999-09-07 Ntt Power And Building Facilities Inc Seismic control wall and its attaching method, and seismic control structure using its wall
CN1594908A (en) * 2004-06-30 2005-03-16 大连理工大学 Double-X type flexible steel damper
CN101936045A (en) * 2010-08-20 2011-01-05 沈阳建筑大学 Steel plate energy dissipation device used in construction
CN102251602A (en) * 2011-05-30 2011-11-23 上海建科结构新技术工程有限公司 Anti-seismic damper of shearing type opening soft steel building structure
CN105040817A (en) * 2015-07-30 2015-11-11 北京建筑大学 Prestressed assembled middle column steel frame recoverable in function
CN106049671A (en) * 2016-05-25 2016-10-26 北京交通大学 Fabricated steel frame and steel plate shear wall structure replaceable after earthquake
CN206428853U (en) * 2017-01-23 2017-08-22 青岛理工大学 A kind of oblique prestressed shear wall structure system of the energy-dissipating and shock-absorbing for being applicable prefabrication and assembly construction
CN108589914A (en) * 2018-06-26 2018-09-28 西安建筑科技大学 A kind of Self-resetting frame structure and construction method
CN108978866A (en) * 2018-08-14 2018-12-11 广州大学 A kind of beam-column connection

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