CN107675899A - A kind of connecting elements and its construction method of the displacement of existing building pin - Google Patents
A kind of connecting elements and its construction method of the displacement of existing building pin Download PDFInfo
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- CN107675899A CN107675899A CN201711179276.0A CN201711179276A CN107675899A CN 107675899 A CN107675899 A CN 107675899A CN 201711179276 A CN201711179276 A CN 201711179276A CN 107675899 A CN107675899 A CN 107675899A
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- steel
- pin
- connection device
- capitate
- construction
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention is that a kind of connecting elements of existing building pin displacement and its construction method, connecting elements include：Top capitate steel structure connection device 1, it is made up of steel pipe sleeve with boring steel construction square (without the following and right side), there are three sides all to reserve two 3, steel plates that punch on described steel construction square and reserved two circular cavities 5, hole, four screw rods 4 on upper connectors have been reserved on cylindrical steel sleeve pipe；Bottom capitate steel structure connection device 2；Four standing screw nuts 6.Construction procedure：Temporary support system, the pin for removing destruction and raw steel structure connector are set up, new bottom and top capitate steel structure connection device, the installation of post and fixation are installed, remove temporary support.
Description
Technical field
The present invention relates to technical field of buildings, and in particular to a kind of pin attachment structure and local replacement construction method, fits
Low strength be present for timber structure post or have the local displacement of major quality defect.
Background technology
In recent years, in European and American developed countries, orthogonal laminated wood (cross laminated timber, abbreviation CLT) is generation
The heavy timber construction construction material of new generation of table, part substitution armored concrete, is widely used in residential houses and public
Building.Due to its superior performance, CLT is weighing timber structure and is breaking through the floor height limitation of traditional timber buildings, is built in high level
Begin to use in building.
CLT and its heavy timber construction building system the advantage is that compared with traditional architecture system：Dimensionally stable, carrying
Performance is strong, sound insulation, heat-insulating property is strong, fire protecting performance is good, the fast, low-carbon environment-friendly low with noise of construction, has a wide range of application, available for low
The advantages that even high-rise residential houses in middle level and non-civil buildings.These obvious above-mentioned advantages will effectively promote timber buildings
Industrialization quickly develops.
The entitled Forte in a building 10 layers of CLT structural constructions have been built up within 2012 in Melbourne, have been Australian first height
Layer CLT structural constructions.2017, in the world 18 layers of assembled timber structure of highest built up in Columbia University, the building is
Flatslab construction, i.e., directly by CLT form bracings, it is necessary to transmit load between post plate by connecting elements on pin.
Way is that the circular steel bushing of an interference fit is respectively installed in the top center of the bottom of upper prop and lower prop, passes through upper prop steel
Sleeve inserts in lower prop steel bushing and transmits load.Four pieces of CLT floors four corners Da Yuxia column tops and with screw rod anchor in lower prop,
CLT upper faces reserve the gap of certain altitude with upper column bottom, as the working space of CLT bolt-nuts, then on floor
Casting concrete simultaneously lays floor tile to fill reserved gap.This kind of building serves demonstration for the development of world's timber structure and made
With more China's assembling laminated structure development specifies direction.
Connecting elements at such exemplary assembled bamboo wood structure plate Column border node is as shown in Figure 1, 2.Fig. 1：Upper steel knot
Structure connector 1 (is made up of) square steel plate and steel pipe sleeve, steel superstructure connector steel plate upper end be four screw rods 6, under
End is four threaded screw rods 7.Bottom steel structure connector 3 (is made up of) square steel plate and steel pipe sleeve, bottom steel knot
Structure connector steel plate upper end four screw rod 8.Four holes 9 are reserved in lower prop 2, lower top end.Upper prop 4, upper prop lower end are reserved four
Hole 10.Four nuts 5.Fig. 2：There are 1/4 circular incision and reserving hole in the angle of four blocks of CLT plates.
It please refer to Fig. 1,2,3.Connection Step at such exemplary assembled wood structure plate Column border node：First by upper steel knot
Structure connector is arranged on lower top end, and four threaded screw rods of steel superstructure connector steel plate lower end just insert lower prop
Reserve in four holes upper end.Then four blocks of CLT plates (CLT plate angles have 1/4 circular incision and reserving hole) are taken and is placed on top
Steel bushing can be just wrapped when on connector, the screw rod of steel superstructure connector steel plate upper end is passed through on four blocks of CLT plates
Reserving hole is simultaneously screwed on screw rod with nut.Then bottom steel structure connector is arranged on steel superstructure connector, on
Lower two sleeve holes are fixed after overlapping by inserting latching.Four holes of upper prop bottom are finally catered into bottom steel knot
Four screw rods of structure connector steel plate upper end carry out installation fixation, and the slab-column connections for forming arch without beam are as shown in Figure 3.
Please in detail as shown in Figure 3, schematic diagram at exemplary assembled wood structure plate Column border node.Bottom steel structure connector 1.On
Portion's steel structure connection device 2.Four threaded screw rod insertion posts of steel superstructure connector steel plate lower end reserve four holes
3.CLT floors 4.Upper prop 5.Lower prop 6.Nut 7.
In with formula timber buildings, post is the maximum component of stress, and its performance has emphatically to the resistance to overturning of structure
The influence wanted.Cracking destruction, integral inclined destruction etc. occurs in post in use., must so as to cause post to lose bearing capacity
Line replacement must be entered to the post for losing bearing capacity.The displacement of pin and concrete structure and the frame column of steel construction in timber buildings
Displacement there is larger difference, it is necessary to realize the replacing of new and old pin in the case of jack jacking stroke is less, this
Objectively require to transform the i.e. tube-in-tube structure device of original node structure, and it is suitable to coordinate certain construction method just to can guarantee that
Profit is realized.This patent provides node modification scheme and corresponding construction process.
The content of the invention
It please refer to Fig. 4, the steel structure connection component of pin displacement.The connecting elements includes：Top capitate steel structure connection
Device 1, it is made up of steel pipe sleeve with boring steel construction square (without the following and right side), three sides of the connector have
Two perforates 3, there is two perforates 5 on one block of steel shoe, four screw rods 4 on connector.Bottom capitate steel structure connection device 2,
By steel pipe sleeve and boring steel construction square (without above and the right side) form, connector side and steel shoe also have out
Hole.Four standing screw nuts 6.
Capitate steel structure connection device, it is made up of steel pipe sleeve and boring steel construction square, two hollow steel constructions
Square all lacks a side, is easy to post to be installed from side.All reserved hole on the steel construction face of square, under the upper end of post
Hole has been reserved in four faces in end, as shown in Figure 5.Then the steel connecting elements of reserving hole and with elongated screw rod is penetrated successively
A surface, pin, the opposite of steel connecting elements square of square, finally tighten nut.
The construction procedure of pin displacement：Set up temporary support system, the pin for removing destruction and raw steel structure connector, peace
Fill new bottom and top capitate steel structure connection device, the installation of post and fixation, remove temporary support.
Brief description of the drawings
Fig. 1 is exemplary steel structure connection device and pin schematic diagram with formula timber buildings slab-column connections, including：Bottom
Portion's steel structure connection device, steel superstructure connector, upper prop, lower prop.
Fig. 2 is that the angle of four blocks of CLT plates has 1/4 circular incision and reserving hole figure.
Fig. 3 is the slab-column connections figure of arch without beam.
Fig. 4 is capitate connector figure.
Fig. 5 is the new post schematic diagram of displacement.
Fig. 6 is construction schematic diagram.
Fig. 7 is temporary support system front view.
Fig. 8 is temporary support system top view.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
Embodiment：
As Figure 4-8.
A kind of connecting elements and its construction method of the displacement of existing building pin.Connecting elements refer to Fig. 4, and it includes upper
Portion's capitate steel structure connection device 1, it is made up of steel pipe sleeve with boring steel construction square (without the following and right side), it is described
There are three sides all to reserve two four to punch on 3, connector screw rods 4, steel plates on steel construction square and reserved two holes
Hole has been reserved on hole 5, circular steel jacketing.Bottom capitate steel structure connection device 2, by steel pipe sleeve and boring steel construction just
Cube (without following and right side) forms, also punch on described steel construction square upper side and cylindrical steel sleeve pipe on reserve
Hole.Four standing screw nuts 6.
It refer to Fig. 5.The new pin 1 of displacement, there are two perforates 2 side of pin top and bottom four.New pin
Cutting length is slightly longer than the pin being replaced, it is contemplated that the elastic deformation of timber and settlement after construction and creep.
It refer to Fig. 6.Temporary support system 3 is set up in the surrounding for being destroyed pin 1.
It refer to Fig. 7.Temporary support system includes：Be placed on frame bottom totally four, totally four, jack 2, support 1,
The pad steel 4 totally four of fixing device 3 totally four, cradle top between support.Jack is placed on the CLT floors 5 of lower end, branch
Pad steel on frame to withstand on the CLT floors 8 of upper end, the steel structure connection device 6 of upper prop lower prop, upper prop 7.
First, temporary support system is built in the surrounding for losing bearing capacity pin, jacks four pieces of CLT floors；Then remove
The pin of destruction and the connector of log column upper and lower ends；The capitate steel structure connection device of upper and lower ends is subsequently mounted, is being covered
Cylinder hole is fixed after overlapping by inserting latching, and four spiral shells of top capitate steel structure connection device upper end pass through the four of upper end
Block CLT floor holes are simultaneously fixed with nut；Then from two capitate steel structure connection device side mounting posts, new pin is caught in
In square steel structure connection device；Then two blocks of steel plates are distinguished into weld all around in the side of upper and lower capitate steel structure connection device；Then
Penetrate the reserved hole of the reserved hole of side steel plate, pin, the steel knot of steel structure connection device successively with screw rod (6 in Fig. 4)
The reserved hole in the steel plate opposite of structure connector is simultaneously tightened with nut；Temporary support system is finally removed, is completed to losing carrying
The displacement of power pin.
In summary, the connecting elements and its construction method of a kind of existing building pin displacement provided by the invention, passes through
Vertical supporting is set effectively to replace the pin of existing assembled arthitecutral structure in pin surrounding；By installing new steel knot
Structure connector is simultaneously inserted in steel structure connection device up and down from side by the new post of displacement, then weld all around steel structure connection device upper and lower side
Two blocks of steel plates simultaneously fix steel structure connection device and pin with nut, finally remove vertical supporting.The present invention is not only realized to both
There is effective displacement of building interior pin, and the construction period is shorter, construction period does not influence the normal use of building.With stylish
Firm, connected mode that steel structure connection component is connected with pin is succinctly, construction is convenient and then reduces cost, meets reality conscientiously
The demand of engineer applied, important technical support is provided to widely popularize assembled bamboo timber structure.With the popularization of timber structure,
Larger Social benefit and economic benefit will be obtained.
Claims (3)
1. the connecting elements and its construction method, its feature of a kind of existing building pin displacement include top capitate steel structure connection
Device, it is made up of (without the following and right side) with boring steel construction square steel pipe sleeve, has on described steel construction square
Three sides all reserved two punch, steel plate has reserved two circular cavities, hole, upper connectors have been reserved on cylindrical steel sleeve pipe
On screw rod；Bottom capitate steel structure connection device；Standing screw nut.
2. a kind of connecting elements of existing building pin displacement according to right 1, it is characterized in that：Spiral shell on upper connectors
Each 4 of bar, the screw rod of fixed column.
3. construction procedure：Set up temporary support system, remove the pin destroyed and raw steel structure connector, the new bottom of installation and
Top capitate steel structure connection device, the installation of pin and fixation, remove temporary support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711179276.0A CN107675899A (en) | 2017-11-21 | 2017-11-21 | A kind of connecting elements and its construction method of the displacement of existing building pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711179276.0A CN107675899A (en) | 2017-11-21 | 2017-11-21 | A kind of connecting elements and its construction method of the displacement of existing building pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107675899A true CN107675899A (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711179276.0A Pending CN107675899A (en) | 2017-11-21 | 2017-11-21 | A kind of connecting elements and its construction method of the displacement of existing building pin |
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| CN (1) | CN107675899A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565813A (en) * | 2019-08-29 | 2019-12-13 | 郑州大学 | Wood structure building column plate connecting structure |
| CN112576055A (en) * | 2020-11-25 | 2021-03-30 | 北京建筑大学 | Pier connection structure for reinforcing ancient building wood column |
| CN114856234A (en) * | 2022-04-22 | 2022-08-05 | 北京首钢建设集团有限公司 | Reinforcing structure of existing structural beam and construction method thereof |
| JP7450204B2 (en) | 2019-08-14 | 2024-03-15 | ミサワホーム株式会社 | support structure |
-
2017
- 2017-11-21 CN CN201711179276.0A patent/CN107675899A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7450204B2 (en) | 2019-08-14 | 2024-03-15 | ミサワホーム株式会社 | support structure |
| CN110565813A (en) * | 2019-08-29 | 2019-12-13 | 郑州大学 | Wood structure building column plate connecting structure |
| CN112576055A (en) * | 2020-11-25 | 2021-03-30 | 北京建筑大学 | Pier connection structure for reinforcing ancient building wood column |
| CN114856234A (en) * | 2022-04-22 | 2022-08-05 | 北京首钢建设集团有限公司 | Reinforcing structure of existing structural beam and construction method thereof |
| CN114856234B (en) * | 2022-04-22 | 2024-01-19 | 北京首钢建设集团有限公司 | Reinforcing structure of existing structural beam and construction method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180209 |
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| WD01 | Invention patent application deemed withdrawn after publication |