CN108755954A - A kind of full assembled Self-resetting Column Joint of unilateral prestressing force - Google Patents
A kind of full assembled Self-resetting Column Joint of unilateral prestressing force Download PDFInfo
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- CN108755954A CN108755954A CN201810513329.6A CN201810513329A CN108755954A CN 108755954 A CN108755954 A CN 108755954A CN 201810513329 A CN201810513329 A CN 201810513329A CN 108755954 A CN108755954 A CN 108755954A
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- profile steel
- connecting component
- steel beam
- tank
- plate
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/024—Structures with steel columns and beams
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a kind of unilateral full assembled Self-resetting Column Joints of prestressing force, including H profile steel column, H profile steel beam, energy-consuming parts and connecting component, connecting component includes end plate, tank-type connecting component, prestress wire and anchor plate, and end plate is hinged on the flange plate of H profile steel column；It is connected by energy-consuming parts between the flange plate end of H profile steel beam and end plate；Tank-type connecting component is symmetricly set on the web both sides of H profile steel beam, and the both ends of prestress wire are respectively by being anchored at the slot bottom of anchor plate and tank-type connecting component.The connecting node of the present invention is not necessarily to punching, will not weaken cylinder；And the prestress wire of the present invention is fixed on by a tank-type connecting component in H profile steel beam, is avoided prestress wire and is generated additional moment of flexure to steel column.Full assembling is realized, live diameter assembly is transported to after prefabrication again, reduces human cost, reduce the danger of working at height.
Description
Technical field
The invention belongs to construction structure shockproof mitigation technical fields, are related to a kind of Self-resetting Column Joint, and in particular to
A kind of full assembled Self-resetting steel frame energy consumption connecting node of unilateral prestressing force.
Background technology
Runback bit architecture is conceived to Damage Coutrol and reduces economic loss after shake, belongs to the forward position of building structure protection against and mitigation of earthquake disasters
Field.It is with dissipation seismic energy and reduces geological process, reduces or agent structure is avoided to damage and minimize structure remnants
The advantages that deformation.Meet the anti-seismic performance requirement of the needs and owner of the national economic development to structure." small shake can be realized easily
Not bad, middle shake can repair, no collapsing with strong earthquake " aseismic fortification objects, minimize rehabilitation expense after shake.In recent years by the height of scholars
Degree concern.
Traditional Self-resetting node is mostly core-theaded type, and required scene carries out the tensioning of presstressed reinforcing steel.It will to the weakening of column
The danger for causing column to be broken under reciprocating load；When applied to center pillar, presstressed reinforcing steel will occur in X-direction and Y
The orthogonal collision problem in direction, presstressed reinforcing steel scene tensioning quality cannot be guaranteed；And prestressed stretch-draw is working at height, it is dangerous
Property it is high, bring prodigious difficulty to construction.
Invention content
In view of the deficienciess of the prior art, the object of the present invention is to provide a kind of unilateral full assembled Self-resettings of prestressing force
Column Joint, solve to weaken caused by existing Self-resetting node punching cylinder, must live working at height tensioning serial skill
Art and construction problem.
In order to solve the above-mentioned technical problem, the present invention is realised by adopting the following technical scheme：
A kind of full assembled Self-resetting Column Joint of unilateral prestressing force, including H profile steel column, H profile steel beam, energy-consuming parts and
Connecting component, the connecting component include end plate, tank-type connecting component, prestress wire and anchor plate, end plate hinge
It is connected on the flange plate of H profile steel column；It is connected by energy-consuming parts between the flange plate end and end plate of the H profile steel beam, and H
Section steel beam can be rotated around bottom wing listrium thereon；
The tank-type connecting component is symmetricly set on the web both sides of H profile steel beam；The notch of the tank-type connecting component is solid
It is scheduled on end plate, the side of tank-type connecting component is pushed against on the web of H profile steel beam；The side of the tank-type connecting component and H-type
It is hinged by axis pin between the web of girder steel；
The anchor plate is fixed on the flange plate and web of H profile steel beam；The both ends of the prestress wire point
It is not anchored on the slot bottom of anchor plate and tank-type connecting component.
Optionally, the energy-consuming parts are angle steel, and the angle steel is bolted on end plate on one side, angle steel
Another side be bolted on the flange plate of H profile steel beam.
Optionally, slotted hole, the pin are both provided on the web of the side of the tank-type connecting component and H profile steel beam
Axis is plugged in slotted hole.
Optionally, there are two the first ribbed stiffeners, first ribbed stiffener to be located at H for setting on the H profile steel column
The institute of flange plate up and down of section steel beam is in the plane.
Optionally, the tank-type connecting component is pushed against a lateral slot bottom direction of H profile steel beam web and extends to form elongation
End, is provided with the second ribbed stiffener between the elongation end and the slot bottom of tank-type connecting component.
Optionally, third ribbed stiffener is provided between the anchor plate and the web of H profile steel beam, the third is put more energy into
Rib is parallel with prestress wire.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) connecting node of the invention is not necessarily to punching, will not weaken cylinder；And the prestress wire of the present invention passes through one
Tank-type connecting component is fixed in H profile steel beam, is avoided prestress wire and is generated additional moment of flexure to steel column.The connection of the present invention
Node guarantee main body beam column is in elastic stage always in earthquake, and the deformation of geological process lower structure concentrates on energy consumption portion substantially
At part, and plastic hinge surrender energy consumption is formed by the rotation of energy-consuming parts, increases the service life of connecting node.
(2) the various processes such as the welding of beam-column connection structure of the invention and prestress application are all completed in factory,
So that prestress stretching quality obtains maximum guarantee；And full assembling is realized, live diameter is transported to after prefabrication again and spells
Dress, reduces human cost, reduces the danger of working at height.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Fig. 1 is the axonometric drawing of node of the present invention.
Fig. 2 is the front view of node of the present invention.
Fig. 3 is the load-displacement curve figure of node of the present invention.
Node Stress Map when Fig. 4 is 2% story drift.
Top and seat angle Stress Map at node when Fig. 5 is 2% story drift.
Each high-strength bolt Stress Map at node when Fig. 6 is 2% story drift.
Six prestress wire Stress Maps of web both sides when Fig. 7 is 2% story drift.
Each label is expressed as in figure：1-H steel columns, 2-H section steel beams, 3- energy-consuming parts, 5- axis pins, 6- anchorages, 7- spiral shells
Bolt, 8- axis pins；
The first ribbed stiffeners of 11-；
41- end plates, 42- tank-type connecting components, 43- prestress wires, 44- anchor plates, the second ribbed stiffeners of 45-, 46- thirds
Ribbed stiffener；
421- elongation ends.
Explanation is further explained in detail to the particular content of the present invention below in conjunction with the drawings and specific embodiments.
Specific implementation mode
The following provides a specific embodiment of the present invention, it should be noted that the invention is not limited in implement in detail below
Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is typically referred to corresponding
It is defined on the basis of the drawing of attached drawing, " inside and outside " refers to the inner and outer of corresponding component profile.
As illustrated in fig. 1 and 2, the invention discloses a kind of unilateral full assembled Self-resetting Column Joints of prestressing force, including H
Steel column 1, H profile steel beam 2, energy-consuming parts 3 and connecting component, connecting component include end plate 41, tank-type connecting component 42, prestress steel
Twisted wire 43 and anchor plate 44, end plate 41 are hinged on by high-strength bolt on the flange plate of H profile steel column 1；The end of H profile steel beam pushes against
It on end plate, is connected by energy-consuming parts 3 between the flange plate end and end plate 41 of H section steel beams 2, and H profile steel beam 2 can be around
Bottom wing listrium rotates thereon.Tank-type connecting component 42 is symmetricly set on the web both sides of H profile steel beam 2；The notch of tank-type connecting component 42
It is fixed on end plate 41, the side of tank-type connecting component 42 is pushed against on the web of H profile steel beam 2；The side of tank-type connecting component 42 and
Slotted hole (not marked in figure) is both provided on the web of H profile steel beam 2, axis pin 8 is plugged in slotted hole so that tank-type connecting component
42 side and the web of H profile steel beam 2 are hinged, to adapt to the rotation of node.Anchor plate 44 is fixed on the flange plate of H profile steel beam 2
On web, one end of prestress wire 43 is anchored at by anchorage 6 on anchor plate 44, the other end of prestress wire 43
The slot bottom of tank-type connecting component 42 is anchored at by anchorage 6, the Self-resetting power provided by prestress wire 43 after shake makes structure
It returns to original state, from the point of view of energy viewpoint, Self-resetting node mainly utilizes prestress wire own absorption earthquake to discharge
Energy and be converted to elastic potential energy, rear elastic potential energy release, structure is able to obtain restoring force and realize Self-resetting, eliminates or drop
The low residual deformation of structure.The connecting node of the present invention is not necessarily to punching, will not weaken cylinder；And the prestress steel twist of the present invention
Line is fixed on by tank-type connecting component in H profile steel beam, is avoided prestress wire and is generated additional moment of flexure to steel column.The present invention
Connecting node ensure that main body beam column is in elastic stage always in earthquake, the deformation of geological process lower structure concentrates on substantially
At energy-consuming parts, and plastic hinge surrender energy consumption is formed by the rotation of energy-consuming parts.
Specifically, the 3 preferred angle steel of energy-consuming parts of the present invention, angle steel are fixed on by bolt 7 on end plate 41 on one side, angle
The another side of steel is fixed on by bolt 7 on the flange plate of H profile steel beam 2.Angle steel is not necessarily to special material and special processing, after damaged
Easily replace.In addition, shearing resistance axis pin 8 is used as temporary support point when being changed after shake.
Specifically, Extruded anchoring tool, strand tapered anchorage, pressing type anchorage, brace type can be selected in the anchorage 6 that the present invention uses
Anchorage.
Further, as shown in Figure 1, in one embodiment of the invention, on H profile steel column 1 setting there are two first plus
Strength rib 11, the first ribbed stiffener 11 are located at the institute of flange plate up and down of H profile steel beam 2 in the plane so that strong section is formed at steel column
Point domain, ensures node strength.
Further, as shown in Figure 1, in one embodiment of the invention, tank-type connecting component 42 is pushed against H profile steel beam 2
One lateral slot bottom direction of web extends to form elongation end 421, is arranged between the elongation end 421 and the slot bottom of tank-type connecting component
There is the second ribbed stiffener 45.The rigidity for ensureing tank-type connecting component, prevents its surrender.
Further, as shown in Fig. 2, in one embodiment of the invention, the web of anchor plate 44 and H profile steel beam 2 it
Between be provided with third ribbed stiffener 46, third ribbed stiffener 46 is parallel with prestress wire 43, ensure anchor plate at rigidity.Its
Middle prestress wire is arranged in parallel with multiple, and third ribbed stiffener 46 is symmetricly set on the both sides of prestress wire.
The joints of reinforced concrete frame steel plate shear force wall of the present invention are simulated below by way of finite element model is established：
(1) model foundation
FEM Simulation is carried out to the present invention using finite element software ABAQUS 6.13, establishes T shape nodal analysis methods,
It is 2000mm that beam length, which takes the half of span, and it is 3000mm that pillar height, which takes upper and lower each half of floor height (inflection point), and model component size is such as
Shown in table 1.
1 model component size of table
Steel use piece-wise elastic-plastic model, yield strength to take fy=345MPa, strain-hardening modulus Et=2%E, elastic modulus E=
206000MPa, Poisson's ratio take v=0.3.The elastic modulus E of prestress wire 43PT=195000MPa, tensile strength Ts
=1860MPa.The 10.9 grades of high-strength bolts of use of bolt 7, tensile strength 1000MPa, yield tensile ratio 0.9, yield strength are
900MPa applies the bolt load (pretightning force) of 200kN in simulation process.Angle steel takes as energy-consuming parts, yield strength
235MPa.Steel strand prestress is applied by falling temperature method.
Steel select C3D8R units, steel strand wires to select T3D2 units, consider that the geometrical non-linearity of component, material are non-thread
Property and contact nonlinear.Contact relation normal direction between bolt and hole wall is defined as contacting firmly, tangentially uses Coulomb friction model,
Friction coefficient is 0.3.Axis pin 8 is reserved hole face contact relation normal direction with the coxostermum of channel-section connecting piece 42, H profile steel beam web and is determined
Justice is hard contact.To prevent structure from out-of-plane deformation occurs, apply out of plane constraint on the upper and lower edge of a wing of H profile steel beam.The column of H profile steel column
Foot and capital apply displacement load, it is 2%, i.e. pole to take limiting displacement drift by Bit andits control loading method using being hinged in beam-ends
Limit pipettes as 40mm.
(2) interpretation of result
The load-displacement curve of node is as shown in Figure 3.It can be obtained by curve, structure residual deformation about 1mm, corresponding remaining change
Shape story drift is 0.05%, much smaller than allowing residual deformation story drift 0.2%.Therefore, node have it is good from
Reset capability.As shown in Figure 4, in 2% story drift, H section steel beams are in upper lower flange corresponding position and prestress wire
Anchorage point includes that channel-section connecting piece and anchor plate occur outside local yielding, and other positions keep elasticity.As shown in Figure 5, layer
Between angle of displacement when reaching 2%, corner is substantially all to enter plasticity.It will be appreciated from fig. 6 that high-strength bolt is in elastic stage.It can by Fig. 7
To find out, when story drift reaches 2%, steel strand wires still maintain elasticity.By the node of the present invention and traditional punching section
Reciprocal load effect of the point Jing Guo same number finds that when traditional core-through joint is broken, cylinder of the invention will not be sent out
Life is broken.To sum up, connecting node of the invention has good self-resetting capability and energy dissipation capacity, has reached design object.
Specific technical features described in the above specific embodiments, in the case of no contradiction, Ke Yitong
It crosses any suitable way to be combined, as long as it does not violate the idea of the present invention, should equally regard it as presently disclosed
Content.
Claims (6)
1. a kind of full assembled Self-resetting Column Joint of unilateral prestressing force, including H profile steel column (1), H profile steel beam (2), energy consumption portion
Part (3) and connecting component, which is characterized in that the connecting component includes end plate (41), tank-type connecting component (42), prestress steel
Twisted wire (43) and anchor plate (44), the end plate (41) are hinged on the flange plate of H profile steel column (1)；The H profile steel beam
(2) it is connect by energy-consuming parts (3) between flange plate end and end plate (41), and H profile steel beam (2) can be around lower flange thereon
Plate rotates；
The tank-type connecting component (42) is symmetricly set on the web both sides of H profile steel beam (2)；The tank-type connecting component (42)
Notch is fixed on end plate (41), and the side of tank-type connecting component (42) is pushed against on the web of H profile steel beam (2)；The groove profile
It is hinged by axis pin (5) between the side and the web of H profile steel beam (2) of connector (42)；
The anchor plate (44) is fixed on the flange plate and web of H profile steel beam (2)；The prestress wire (43)
Both ends are anchored at respectively on the slot bottom of anchor plate (44) and tank-type connecting component (42).
2. the unilateral full assembled Self-resetting Column Joint of prestressing force as described in claim 1, which is characterized in that the consumption
Energy component (3) is angle steel, and the angle steel is fixed on by bolt (7) on end plate (41) on one side, and the another side of angle steel passes through
Bolt (7) is fixed on the flange plate of H profile steel beam (2).
3. the unilateral full assembled Self-resetting Column Joint of prestressing force as described in claim 1, which is characterized in that the slot
It is both provided with slotted hole on the side of type connector (42) and the web of H profile steel beam (2), the axis pin (8) is plugged on oval
Kong Zhong.
4. the unilateral full assembled Self-resetting Column Joint of prestressing force as described in claim 1, which is characterized in that the H
There are two the first ribbed stiffeners (11), first ribbed stiffener (11) to be located at H profile steel beam (2) for setting on steel column (1)
Upper and lower flange plate institute is in the plane.
5. the unilateral full assembled Self-resetting Column Joint of prestressing force as described in claim 1, which is characterized in that the slot
The lateral slot bottom direction that type connector (42) is pushed against H profile steel beam (2) web extends to form elongation end (421), and described stretches
Long end (421) is provided with the second ribbed stiffener (45) between the slot bottom of tank-type connecting component.
6. the unilateral full assembled Self-resetting Column Joint of prestressing force as described in claim 1, which is characterized in that the anchor
Be provided with third ribbed stiffener (46) between solid plate (44) and the web of H profile steel beam (2), the third ribbed stiffener (46) with answer in advance
Power steel strand wires (43) are parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810513329.6A CN108755954B (en) | 2018-05-25 | 2018-05-25 | Unilateral prestressing force full assembled is from restoring to throne steel frame node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810513329.6A CN108755954B (en) | 2018-05-25 | 2018-05-25 | Unilateral prestressing force full assembled is from restoring to throne steel frame node |
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| CN108755954A true CN108755954A (en) | 2018-11-06 |
| CN108755954B CN108755954B (en) | 2020-04-17 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130710A (en) * | 2019-04-28 | 2019-08-16 | 同济大学 | Rod-type negative stiffness device |
| CN110847358A (en) * | 2019-11-04 | 2020-02-28 | 燕山大学 | Steel structure self-resetting beam column node connecting device |
| CN111980190A (en) * | 2019-05-21 | 2020-11-24 | 任吉如 | Anti-seismic device for building |
| CN112726816A (en) * | 2020-12-25 | 2021-04-30 | 海南大学 | Prefabricated assembled sways from restoring to throne concrete frame structure |
| CN113216396A (en) * | 2021-06-04 | 2021-08-06 | 天津大学 | Self-resetting beam column node device for building structure |
| CN114059711A (en) * | 2021-11-10 | 2022-02-18 | 河南省建设工程施工图审查中心有限公司 | Assembled self-adaptation becomes load steel beam prestressing force device |
| CN114108819A (en) * | 2021-12-15 | 2022-03-01 | 河北建筑工程学院 | Novel self-resetting steel structure beam column node |
| US20220154445A1 (en) * | 2019-08-20 | 2022-05-19 | South China University Of Technology | Resilient prestress-free steel structure formed by combining pin-ended columns with elastic centering beam |
| CN115787835A (en) * | 2022-11-29 | 2023-03-14 | 中国十九冶集团有限公司 | Self-resetting layered assembly type steel frame beam-column joint structure |
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| CN110130710A (en) * | 2019-04-28 | 2019-08-16 | 同济大学 | Rod-type negative stiffness device |
| CN111980190A (en) * | 2019-05-21 | 2020-11-24 | 任吉如 | Anti-seismic device for building |
| US20220154445A1 (en) * | 2019-08-20 | 2022-05-19 | South China University Of Technology | Resilient prestress-free steel structure formed by combining pin-ended columns with elastic centering beam |
| US11808026B2 (en) * | 2019-08-20 | 2023-11-07 | South China University Of Technology | Resilient prestress-free steel structure formed by combining pin-ended columns with elastic centering beam |
| CN110847358A (en) * | 2019-11-04 | 2020-02-28 | 燕山大学 | Steel structure self-resetting beam column node connecting device |
| CN112726816A (en) * | 2020-12-25 | 2021-04-30 | 海南大学 | Prefabricated assembled sways from restoring to throne concrete frame structure |
| CN112726816B (en) * | 2020-12-25 | 2022-04-26 | 海南大学 | Prefabricated assembled sways from restoring to throne concrete frame structure |
| CN113216396A (en) * | 2021-06-04 | 2021-08-06 | 天津大学 | Self-resetting beam column node device for building structure |
| CN114059711A (en) * | 2021-11-10 | 2022-02-18 | 河南省建设工程施工图审查中心有限公司 | Assembled self-adaptation becomes load steel beam prestressing force device |
| CN114108819A (en) * | 2021-12-15 | 2022-03-01 | 河北建筑工程学院 | Novel self-resetting steel structure beam column node |
| CN115787835A (en) * | 2022-11-29 | 2023-03-14 | 中国十九冶集团有限公司 | Self-resetting layered assembly type steel frame beam-column joint structure |
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