CN109853733A - A kind of assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function - Google Patents
A kind of assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function Download PDFInfo
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- CN109853733A CN109853733A CN201910071453.6A CN201910071453A CN109853733A CN 109853733 A CN109853733 A CN 109853733A CN 201910071453 A CN201910071453 A CN 201910071453A CN 109853733 A CN109853733 A CN 109853733A
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Abstract
The present invention relates to a kind of assembled self reset curvature-prevention inverted L shape web cutting member frame systems of recoverable function, belong to structural engineering field.The system is by two quadrate steel pipe columns with cantilever beam section, an I-shaped beam section, one group of automatic runback device to form with two groups of attachment devices.It is arranged to the board-like progress edge of a wing cover board buckling amplitude of inner cover using anti-buckling theory top flange inner cover plate to control；It is board-like that lower flange outer cover plate is arranged to outer cover, the with good performance visual and replacement property sentenced；Automatic runback device can guarantee the predetermined condition design object of structure dissipation seismic energy and reduce rehabilitation cost after shake；The destruction position of seismic loading flowering structure can be made to occur at the dissipative members such as the high-strength bolt and connecting plate being easily changed by targeted design, convenient for repairing after shake, be adapted to the growth requirement of the assembling type steel structure of recoverable function.
Description
Technical field
This patent is related to a kind of assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function,
Belong to technical field of structural engineering.
Background technique
With the quickening of urbanization process, the development of building field and technical level are constantly promoted, in addition environmental pollution and
The defect of the influence of problem of resource waste, feature of environmental protection difference existing for traditional architecture system gradually exposes, green assembling type steel structure,
Start to become the main Types of building system.Compared with traditional system, the system construction quality, in terms of,
All have significant advantage." playing with building blocks " is a kind of representative construction method, largely accelerates speed of application,
Engineering funds are saved.It applies it in the design and development of all kinds of building systems, is the main of building field future development
Trend.
Unreasonable structural design will lead to the occurrence of " strong component weak bus ", issue structure in seismic loading
Raw serious earthquake, threatens people life property safety.Existing research shows that carrying out specific aim reinforcement to structure or to specific on beam
Region takes weakening means to can reach the purpose of plastic hinge, to protect bean column node, meets " the strong weak component of node "
Design requirement；Meanwhile floor and beam section it is pre-assembled after be transported to construction site carry out assembly can greatly save cast-in-place concrete
Time；In addition, can restore using the recoverable function structure of function to be in recent years without repairing or slightly repairing after earthquake
The research hotspot of International Seismic engineering field can not only protect the security of the lives and property of people in earthquake, and in earthquake
It can also be restored as early as possible afterwards using function, therefore need to implement the theory of recoverable function structure into the R & D design in new construction
In work, with realize building from it is single pursuit collapse resistant capacity to take into account shake after can repair ability transformation.To meet the above need
It asks, the invention patent proposes a kind of assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function.
A kind of assembled self reset curvature-prevention inverted L shape web cutting member frame for recoverable function that the invention patent proposes
System, the system is by two quadrate steel pipe columns with cantilever beam section, an I-shaped beam section, one group of automatic runback device and attachment device group
At.Quadrate steel pipe column with cantilever beam section by upper quadrate steel pipe column, middle quadrate steel pipe column, lower quadrate steel pipe column, top side's shape annular partition, under
A tooling in portion side's shape annular partition, cantilever beam section web and automatic runback device is welded.Upper quadrate steel pipe column, middle side
Steel pipe column is welded with top side's shape annular partition respectively；Lower quadrate steel pipe column, middle quadrate steel pipe column respectively with lower part side's shape annular partition
Welding；Cantilever beam section web is welded with top side's shape annular partition, middle quadrate steel pipe column and lower part side's shape annular partition respectively；It is described
I-shaped beam section by top flange plate, bottom wing listrium, middle pectoral plate are welded；The attachment device by top flange inner cover plate,
I-shaped beam section top flange backing plate, lower flange outer cover plate, inverted L shape web cutting member and high-strength bolt composition；Automatic runback device
It is connected and is formed with prestress wire by two toolings.
Summary of the invention
The present invention proposes a kind of assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function,
Belong to technical field of structural engineering.The welding of nodal connection device, I-shaped beam section is pre-assembled completes in factory, weld seam and structure
Part quality is easier to control, and speed of application is greatly improved with quality.
A kind of assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function is by two band cantilevers
Quadrate steel pipe column, I-shaped beam section, automatic runback device and the attachment device composition of beam section；The attachment device can be restored after a kind of shake
The attachment device of function；By Reasonable Parameters design so that plastic failure occurs in splice region, and in bean column node rest part
Basic to keep elasticity, only need to replace attachment device can restore the use function of main structure after shake；The setting of top flange inner cover plate
It is board-like at inner cover, concrete outside top flange can be made smooth, while can realize top flange inner cover plate by inverted L shape web cutting member
Bending deformation control, and lower flange outer cover plate is arranged to that outer cover is board-like, can be used as the rest of I-shaped beam section during the installation process, together
When be also convenient for node edge of a wing connecting plate bending deformation be observed in use, it is with good performance visual and more
Change the property sentenced；Cantilever beam section should be held out against with I-shaped beam section, be left no gaps after installation, prevent drag-line caused by rotating due to beam-ends pre-
The loss of tension；Self-resetting after the shake of structure is realized by adding automatic runback device, is reduced residual deformation, is delayed structure main
Primary structure member damages process, guarantees the predetermined condition design object of structure dissipation seismic energy ability and reduces rehabilitation cost after shake,
It is the new direction of steel construction development.
The quadrate steel pipe column with cantilever beam section is by upper quadrate steel pipe column, middle quadrate steel pipe column, lower quadrate steel pipe column, top side's shape
Annular partition, a tooling in lower part side's shape annular partition, cantilever beam section web and automatic runback device are welded；Top
Square shape annular partition, lower part side's shape annular partition interior square chi cun be respectively less than square chi cun in quadrate steel pipe column, foreign side's size is all larger than
Quadrate steel pipe column foreign side size, and square shape annular partition thickness is greater than I-shaped beam section edge of a wing thickness；The I-shaped beam section is by upper limb
Listrium, bottom wing listrium, middle pectoral plate and automatic runback device another tooling therein are welded in factory；The connection dress
It sets and is made of top flange inner cover plate, top flange backing plate, lower flange outer cover plate, inverted L shape web cutting member and high-strength bolt；From
Resetting apparatus is connected with prestress wire by two toolings and is formed.
A kind of assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function is in construction and installation
When, first lower flange outer cover plate is connect by bolt with lower part side's shape annular partition, beam section is shelved on overhanging lower flange outer cover
On plate, then the web of cantilever beam section is passed through into inverted L shape web cutting member and is connect with beam section web, then connects top flange inner cover plate
With backing plate, wherein backing plate is close to I-shaped beam section top flange lower surface, finally installs steel strand wires and applies prestressing force.
Lower flange outer cover plate is first passed through bolt and lower part side's shape annular partition in construction and installation by the attachment device
Connection, beam section is shelved on overhanging lower flange outer cover plate, then the web of cantilever beam section is passed through inverted L shape web cutting member and beam
Section web connection, then connects top flange inner cover plate and backing plate, and wherein backing plate is close to I-shaped beam section top flange lower surface, finally pacifies
Steel loading twisted wire simultaneously applies prestressing force.
The advantages of this patent, is mainly manifested in the following aspects:
1, nodal connection device welding portion of the invention is completed in factory, and weld seam precision and quality is more easily-controllable
The quadrate steel pipe column with cantilever beam section and I-shaped beam section are assembled only with high-strength bolt, connecting plate and connector in system, scene,
The fastening work of bolt is convenient and efficient, improves speed of application and construction quality, adapts to the development of assembling type steel structure.
2, the nodal connection device of this patent is a kind of attachment device of recoverable function after shake, is designed by Reasonable Parameters
So that plastic failure occurs in splice region, and cantilever beam section, I-shaped beam section keep elasticity substantially, and attachment device need to be only replaced after shake
It can restore the use function of main structure.By reinforce in quadrate steel pipe column wall thickness and increase side's shape annular partition thickness, with
Realize effective reinforcement to Column border node domain and cantilever beam section；It is cut by the way that edge of a wing cover board is arranged circular arc dog bone weakening area or is punched
Weak area is cut, to realize effective weakening of bonding pad, achievees the purpose that plastic hinge.
3, attachment device of the invention is Self-resetting attachment device, can realize self-resetting, reduction remnants after structure shake
It deforms, structure main bearing member is delayed to damage process, guarantee the predetermined condition design object of structure dissipation seismic energy and drop
Rehabilitation cost after low shake is the new direction of steel construction development.
4, automatic runback device is connected with prestress wire by two toolings and is formed, what cover board and prestress wire were formed
Automatic runback device is compared with traditional drag-line automatic runback device, in the identical situation of prestress wire pretension, using runback
The total bearing capacity of the beam of position device can be higher；In the identical situation of bearing capacity of beam, the prestress steel twist of automatic runback device
Line pretension demand can reduce, and avoid prestress wire pretension to the overstressing load of I-shaped beam section；It is pre- by applying
Prestress steel strand pretension, the accumulation of the development and damage that are plastically deformed structure control make structure have good shock resistance
Energy and reset capability.
Detailed description of the invention
Fig. 1 is a kind of construction of the assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function
The three-dimensional figure of form；
Fig. 2 is a kind of construction of the assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function
The three-dimensional in-site installation figure of form；
Fig. 3 is a kind of construction of the assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function
The front view of form；
Fig. 4 is a kind of construction of the assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function
The side view of form；
Fig. 5 is a kind of construction of the assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function
The 1-1 sectional view of form；
Fig. 6 is a kind of construction of the assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function
The top view of form；
Fig. 7 is a kind of upper limb of the assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function
The top view of edge inner cover plate structural form；
Fig. 8 is a kind of bottom wing of the assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function
The top view of edge outer cover plate structural form.
Specific embodiment
With reference to the accompanying drawing, the embodiment of this patent is described in detail.
As shown in figures 1 to 6, the assembled self reset curvature-prevention inverted L shape web cutting member frame system of a kind of recoverable function
Including with lower component:
1 --- upper quadrate steel pipe column；
2 --- middle quadrate steel pipe column；
3 --- lower quadrate steel pipe column；
4 --- top side's shape annular partition；
5 --- lower part side's shape annular partition；
6 --- cantilever beam section web；
7 --- inverted L shape web cutting member；
8 --- top flange inner cover plate；
9 --- lower flange outer cover plate；
10 --- I-shaped beam section top flange backing plate；
11 --- I-shaped beam section；
12 --- tooling；
13 --- prestress wire.
As shown in figures 1 to 6, band cantilever beam section quadrate steel pipe column is by upper quadrate steel pipe column 1, middle quadrate steel pipe column 2, lower quadrate steel pipe column 3,
Top side's shape annular partition 4, lower part side's shape annular partition 5, cantilever beam section web 6, a tooling 12 is welded in automatic runback device
It forms.Upper quadrate steel pipe column 1, middle quadrate steel pipe column 2 are welded with top side's shape annular partition 4 respectively；Lower quadrate steel pipe column 3, middle square steel tube
Column 2 is welded with lower part side's shape annular partition 5 respectively；Cantilever beam section web 6 respectively with top side's shape annular partition 4, middle square steel tube
Column 2 and lower part side's shape annular partition 5 weld.Top side's shape annular partition 4, the interior ring size of lower part side's shape annular partition 5 are small
In ring size in quadrate steel pipe column, outer annular diameter is greater than quadrate steel pipe column outer ring size, and annular partition thickness is greater than I-shaped beam section
Edge of a wing thickness.
As shown in Figure 1, 2, top side's shape annular partition 4 is connected with 11 top flange of I-shaped beam section by high-strength bolt；Under
Portion side's shape annular partition 5 is connected with 11 lower flange of I-shaped beam section by high-strength bolt；Cantilever beam section web 6 and inverted L shape web
Cutting member 7 is connected by high-strength bolt；I-shaped beam section top flange backing plate 10 and 11 top flange of I-shaped beam section pass through high-strength bolt
Group's connection；Top flange inner cover plate 8, lower flange outer cover plate 9 are connect with 11 edge of a wing of I-shaped beam section by high-strength bolt.
As shown in Fig. 2, at the scene in installation process, first by lower flange outer cover plate 9 by high-strength bolt and lower annular every
Plate 5 connects, and I-shaped beam section 11 is shelved on overhanging lower flange outer cover plate 9, then the web of cantilever segment 11 is passed through inverted L shape web
Cutting member 7 is connect with I-shaped beam section web, then connects top flange inner cover plate 8 and I-shaped beam section top flange backing plate 10, wherein work
Word beam section top flange backing plate 10 is close to I-shaped beam section top flange lower surface, finally installs automatic runback device prestress wire 13 simultaneously
Apply pretightning force.
If Fig. 7,8 are respectively a kind of assembled self reset curvature-prevention inverted L shape web cutting member frame body of recoverable function
The edge of a wing connecting plate structural form of system.Top flange inner cover plate 8, the settable circular arc dog bone of lower flange outer cover plate 9 weaken area and punch
Shearing weakens two kinds of area form.
Claims (3)
1. a kind of assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function, it is characterised in that: should
System by two quadrate steel pipe columns with cantilever beam section, an I-shaped beam section, one group of automatic runback device with two groups of attachment device groups
At；The quadrate steel pipe column with cantilever beam section includes a cantilever beam section, a upper quadrate steel pipe column, one and cantilever beam section etc.
High middle quadrate steel pipe column, a lower quadrate steel pipe column, middle quadrate steel pipe column are welded in cantilever beam section, upper quadrate steel pipe column and lower square steel tube
Column is respectively welded at the top and bottom of middle quadrate steel pipe column, and cantilever beam section is by top side's shape annular partition, a lower part side
Shape annular partition and cantilever beam section web are welded；Wherein, top side's shape annular partition and lower part side's shape annular partition all divide
For three parts, respectively square shape ring part, circular sliding slopes section part, edge of a wing section part；Square shape ring part is as nodes domains
Reinforcing section, circular sliding slopes section part be used as beam end haunch part, the edge of a wing section part as the stitching section with I-shaped beam section
Point；Bottom wing listrium and middle pectoral plate are welded in factory；The wall thickness of the middle quadrate steel pipe column should be greater than quadrate steel pipe column and
The wall thickness of lower quadrate steel pipe column, the ratio between side's shape annular partition thickness and I-shaped beam section edge of a wing thickness should be greater than 1.3；Band cantilever beam
The quadrate steel pipe column of section is connected with I-shaped beam section by attachment device, and is not interspaced between cantilever beam section and I-shaped beam section；It is described
I-shaped beam section be welded by top flange plate, bottom wing listrium and middle pectoral plate in factory；Automatic runback device by two toolings and
Prestress wire connection composition, wherein tooling is welded at the cantilever beam section starting the arc.
2. a kind of assembled self reset curvature-prevention inverted L shape web cutting member frame of recoverable function according to claim 1
Frame system, it is characterised in that: the attachment device include two top flange inner cover plates, two panels I-shaped beam section top flange backing plate,
One lower flange outer cover plate, two inverted L shape web cutting members and high-strength bolt, two top flange inner cover plates are located at I-shaped beam section
It on the inside of top flange, is respectively in I-shaped beam section web two sides and is arranged symmetrically, top flange inner cover plate and lower flange outer cover plate are for connecting
The edge of a wing, inverted L shape web cutting member are used for connecting cantilever beam section web and I-shaped beam section web up and down for cantilever beam section and I-shaped beam section,
Wherein two panels I-shaped beam section top flange backing plate is close to I-shaped beam section top flange, makes the wing at cantilever beam section and I-shaped beam section link position
Edge height is identical, and top flange inner cover plate is close to I-shaped beam section top flange backing plate and cantilever beam section upper flange, lower flange outer cover plate are tight
Cantilever beam section and I-shaped beam section lower flange are pasted, then has been connected cantilever beam section with I-shaped beam section top flange by top flange inner cover plate
Come.
3. a kind of assembled self reset curvature-prevention inverted L shape web cutting member frame of recoverable function according to claim 1
Frame system, it is characterised in that: top flange inner cover plate and lower flange outer cover plate in the attachment device are arranged to circular arc dog bone
Weaken area or the shearing that punches weakens area.
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| CN201910071453.6A CN109853733A (en) | 2019-01-25 | 2019-01-25 | A kind of assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function |
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| CN201910071453.6A CN109853733A (en) | 2019-01-25 | 2019-01-25 | A kind of assembled self reset curvature-prevention inverted L shape web cutting member frame system of recoverable function |
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| CN110847358A (en) * | 2019-11-04 | 2020-02-28 | 燕山大学 | Steel structure self-resetting beam column node connecting device |
| WO2021032144A1 (en) * | 2019-08-20 | 2021-02-25 | 华南理工大学 | Prestress-free ductile steel structure with combination of articulated column and elastic resetting beam |
| CN113323488A (en) * | 2021-06-04 | 2021-08-31 | 重庆大学 | Steel pipe concrete beam column connecting joint capable of being replaced after earthquake |
| CN116201264A (en) * | 2023-03-21 | 2023-06-02 | 北京工业大学 | Assembled special-shaped column steel frame-shear wall structure capable of repairing Liang Zhushuang nodes |
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Application publication date: 20190607 |