CN106436903B - Light gauge cold-formed steel shape house interlayer strengthening part - Google Patents
Light gauge cold-formed steel shape house interlayer strengthening part Download PDFInfo
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- CN106436903B CN106436903B CN201610876110.3A CN201610876110A CN106436903B CN 106436903 B CN106436903 B CN 106436903B CN 201610876110 A CN201610876110 A CN 201610876110A CN 106436903 B CN106436903 B CN 106436903B
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- steel
- welded
- reinforcing bar
- strengthening part
- light gauge
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Classifications
-
- 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
-
- 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
- E04B1/19—Three-dimensional framework structures
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
A kind of light gauge cold-formed steel shape house interlayer strengthening part, it is characterised in that the strengthening part is constructed for truss-like：Four upright steel sleeves including being projected as rectangular arrangement（4）, it is fixed on steel sleeve（4）Both ends and and steel sleeve（4）Coaxial hollow bearing（5）, adjacent hollow bearing（5）Between be welded with horizontal cross reinforcing bar（6）Or horizontal longitudinal reinforcement（7）, in horizontal cross reinforcing bar（6）With steel sleeve（4）The hollow bearing at four angles of the front and rear sides wall of composition（5）On, diagonally it is welded with the oblique reinforcing bar of equal length（1）, every oblique reinforcing bar（1）Distal end be welded on an open pore steel plate（2）On.Steel sleeve（4）On, it is alternate to be welded with Reinforced Hoop（3）.The strengthening part is suitable for the light gauge cold-formed steel shape house of tier building beam column construction, and Path of Force Transfer is directly reliable, can significantly improve structure entirety lateral resistant ability and bear the ability of vertical uniform load q.
Description
Technical field
The present invention relates to a kind of light gauge cold-formed steel shape house storey between framework formula strengthening parts, are particularly suitable for being mounted on low layer
And in multilayer layering assembled cold formed steel structure house, belong to construction engineering technical field.
Background technology
The recyclable reuse ratio of main construction material is up to more than 90% used by light gauge cold-formed steel shape house, load-bearing
Assembled wall be usually made of light gauge cold-formed steel shape wall stand column, the interior heat-preservation cotton and overcoating plasterboard etc. of filling out, it is easy to accomplish resource
Cycling and reutilization；Wallboard has good thermal and insulating performance, reduces the energy expenditure during use, meets national green ring
Guaranteed request；The high-strength dead weight of structure light wt is only the 1/4-1/3 of concrete frame structure, and structure, basic material greatly reduce,
Geological process is also greatly lowered；Wall stand column critical piece is transported to scene after factory process is good and is assembled.
In view of the characteristic of light gauge cold-formed steel shape house green ecological and be easily achieved the advantage of building industrialization, in recent years I
State starts largely to introduce the residential housing of the system, and the low-rise building especially built after the shake of Wenchuan is more.Insider is to combination
Wall shear behavior under unidirectional and reciprocating load has carried out a large amount of experimental study and finite element analysis, has obtained the wall
Body has preferable load-carrying properties, destroys mostly based on wallboard and tapping screw failure, interior wall trestle is without destruction；The country is to 2-3
The integral house of layer has carried out shaketalle test under the macroseism of prototype, shows that the structural system house has outstanding antidetonation
Mostly with wall panel cracking and based on tapping screw comes off Progressive Collapse will not occur for performance, structure.Consider construction work
The features such as power transmission between skill, structure stress, component, system more rod pieces, assembly method is to fill each floor wall stand column in factory at present
On-site consolidation is transported to after into wall section, is formd《Low layer light gauge cold-formed steel shape building construction technology specification》（JGJ227-2011）It pushes away
The floor junction way recommended, the horizontal earthquake action simplification that wall is born can make wall rotate at wall top
And sliding, at present by resistance to plucking anchor bolt mode being set to be acted on to resist imposed load at every layer of wall section bottom and wall bottom bearing,
It is difficult to meet people to building multi-functional requirement to be limited to low-rise building, it is also difficult to cope with China and have a large population and a few land, house land used is tight
The objective national conditions opened need, and are badly in need of such system being applied in tier building.But when structural system is used for tier building, with
The house number of plies increases, and beneath each layer wall, which will bear pressure, to be increased, and the shearing that each layer is generated by geological process will also increase, therefore
The assembled wall of formation is to limit the system to more high-rise bottleneck factors developed always in the discontinuous way in floor junction, is compeled
Be essential strengthening measure to be taken, and improves the intersegmental collaborative work ability of levels wall.
Chinese patent ZL201210564012.8 discloses a kind of tier building cold bending thin-wall steel beam column structural system, packet
Include armored concrete ground beam（1）, armored concrete ground beam（1）In be fixed with upright column upwards, be fixed on every column and column
Vertical beam, every beam are mutually parallel, it is characterised in that：Column is using rectangle steel tubing string（2）；Beam is using being bent into
The cold-formed thin-walled C steel beam of " L " shape（4）；There is a cold bending thin wall angle steel（5）It is fixed on every rectangle steel tubing string（2）Top etc.
Eminence has another cold bending thin wall angle steel（5）It is fixed on every rectangle steel tubing string（2）Lower section equal-height position, " L " shape cold bending thin wall C
Section steel beam（4）Dogleg section it is embedding in the cavities, part or all of rectangle steel tubing string（2）Cavity in be filled with sandy gravel（3）.
In the patented technology, interior wall trestle is vertically continuous, and the way of floor reinforcement is carried out using double angle, and Path of Force Transfer directly may be used
It leans on, the lateral resistant ability in house can be improved, this method uses for interior wall.But when being applied to exterior wall, the presence of angle steel
So that outer surface of wall plate is difficult to install, there are certain technological deficiency, and presence need to largely use self-drilling connection floor beam
With wall, the splicing of wall stand column interface needs in-situ processing, promotes and applies limited.
Invention content
It is directly reliable the purpose of the present invention is designing a kind of Path of Force Transfer, structure entirety lateral resistant ability can be significantly improved and held
By the light gauge cold-formed steel shape house interlayer strengthening part suitable for tier building beam column construction of the ability of vertical uniform load q.
The specific technical solution of the present invention is：
A kind of light gauge cold-formed steel shape house interlayer strengthening part, it is characterised in that the strengthening part is constructed for truss-like：Packet
Four upright steel sleeves for being projected as rectangular arrangement are included, are fixed on steel sleeve both ends and the hollow bearing coaxial with steel sleeve,
Horizontal cross reinforcing bar or horizontal longitudinal reinforcement are welded between adjacent hollow bearing, is formed in horizontal cross reinforcing bar and steel sleeve
Front and rear sides wall four angles hollow bearing on, be diagonally welded with the oblique reinforcing bar of equal length, every
The distal end of oblique reinforcing bar is welded on an open pore steel plate.
Further embodiment is：It is alternate to be welded with Reinforced Hoop on steel sleeve.
Further scheme is：Open pore steel plate is provided with vertical slotted eye, and transverse is vertical axis, and short axle is laterally
Axis, and the ratio between long axis and minor axis length are 2:1-4:1.
In the present invention：
Truss is space multistory truss, and horizontal cross bar diameter can be 20mm, horizontal longitudinal reinforcement and oblique reinforcing bar
Diameter can be 16mm, and all reinforcing bars are welded in the hollow bearing of steel bushing tube end by welding manner, horizontal cross reinforcing bar
Larger diameter is selected, is to improve interlayer strengthening part anti-twisting property.
Open pore steel plate intensity is preferably Q235B type structural steel, wall thickness 10mm, transverse length 20-40mm, minor axis length
10mm, clear distance 20mm is advisable between hole, and reinforcing bar is connect with open pore steel plate using fillet weld, this construction can significantly improve floor connection
Locate energy dissipation capacity, and shorten Reinforcing Steel Bar Calculation length, inhibit the outer unstability of reinforcing bar generating surface.
It is an advantage of the invention that：
Floor junction is relied on to place space truss strengthening part between pushing up bottom girder, can partly undertake horizontal and vertical load
Effect improves the drag ability of the weak part of floor junction；Resistance to plucking anchor bolt quantity is by design specification《Low layer cold bending thin wall type
Steel building construction technology specification》（JGJ227-2011）Each section setting of recommendation is single to increase to each section setting two,
The force transfer capacity of resistance to plucking anchor bolt is improved, avoids being cut when tapping screw transmits vertical load on anti-drawing element, and improve anti-plane
The ability of outer unstability；Interlayer strengthening part is used cooperatively using being factory produced with the resistance to plucking anchor bolt of floor junction, scene peace
It is fast to fill speed, which can be applied in cold formed steel structure house, forms the building work easy to implement of layering assembling
The multilayered structure system of industry；And do not change《Low layer light gauge cold-formed steel shape building construction technology specification》The floor junction of recommendation
Way, relevant design method as defined in specification still have certain applicability, are suitble to building industrialization, individual layer wall section wall stand column can
Scene is transported to after factory process is good to be assembled, speed of application is fast；Strengthening part use space truss form, low cost, from
Heavy and light is easily installed, and will not significantly increase house comprehensive cost and house weight, strong applicability.
After interlayer construction reinforcement is carried out in floor junction, force transferring part increases to three parts, then is transmitted to lower floor's wall
Top beam can significantly improve structure entirety lateral resistant ability and bear the ability of vertical uniform load q.
Storey between framework strengthening part is used cooperatively, not additionally using being factory produced with the resistance to plucking anchor bolt of floor junction
Increase connector, in-site installation speed is fast, solves the pass that this kind of structural system is applied in multilayer light gauge cold-formed steel shape house
Key problem；House weight will not significantly be increased, would not also increase geological process, connection is in elastic shape under action of static load
State, strengthening part can improve the rigidity of structure, and after strengthening part enters elastic-plastic behavior when macroseism occurs, open pore steel plate starts to consume
Can, it can protect reinforcing bar that premature buckling failure does not occur, therefore anti seismic efficiency is good；Under wind load effect, storey between framework rib
Part can significantly improve structural damping, reduce the acceleration that structure generates；Storey between framework strengthening part is easy to tear open after demolishing buildings
It removes, may continue to use, and in wall plane, it is beautiful not influence building.
Description of the drawings
Fig. 1 is storey between framework formula strengthening part schematic three dimensional views.
Fig. 2 is the light gauge cold-formed steel shape house wall assembling schematic three dimensional views in the present invention.
Fig. 3 is steel sleeve and its component schematic three dimensional views in the present invention.
Fig. 4 is the anti-drawing element schematic three dimensional views in the present invention.
Fig. 5 is resistance to plucking anchor bolt and its component schematic three dimensional views in the present invention.
In figure：1- oblique reinforcing bars, 2- open pore steel plates, 3- Reinforced Hoops, 4- steel sleeves, 5- hollow bearings, 6- horizontal cross steel
Muscle, the horizontal longitudinal reinforcements of 7-, 8- lower floor's posts, 9- floor beams, 10- tapping screws, 11- top beams, 12- stiffeners, 13- anti-drawing elements,
14- resistance to plucking anchor bolts, 15- bolts hole, 16- gaskets, 17- bottom girders, 18- upper strata posts, 19- nuts.
Specific embodiment
The present invention will be described in detail below in conjunction with the accompanying drawings.
Such as Fig. 1, a kind of light gauge cold-formed steel shape house interlayer strengthening part, it is characterised in that the strengthening part is truss-like structure
It makes：Four including being projected as rectangular arrangement upright steel sleeves 4, are fixed on 4 both ends of steel sleeve and the sky coaxial with steel sleeve 4
Heart bearing 5 is welded with horizontal cross reinforcing bar 6 or horizontal longitudinal reinforcement 7 between adjacent hollow bearing 5, in horizontal cross reinforcing bar 6
In the hollow bearing 5 at four angles of the front and rear sides wall formed with steel sleeve 4, it is diagonally welded with equal length
Oblique reinforcing bar 1, the distal end of every oblique reinforcing bar 1 are welded on an open pore steel plate 2.
It is alternate to be welded with Reinforced Hoop 3 on steel sleeve 4.
Open pore steel plate 2 is provided with 3 vertical slotted eyes, and transverse is vertical axis, and short axle is lateral shaft, and long axis length
40mm, minor axis length 10mm, clear distance 20mm between hole
Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are applied to tier building cold bending thin wall for light gauge cold-formed steel shape house interlayer strengthening part
The embodiment of steel pier structure.
Beam and column including mutual cooperation：
Column by being close to and being formed with 10 fixed two C-type steels of tapping screw back-to-back, containing lower floor's post 8 and upper strata post 18；
Beam includes C-type steel floor beam 9, connects two neighboring column lower floor's house U-shaped steel top beam 11 that Open Side Down and opens
The upward upper strata house U-shaped steel bottom girder 17 of mouth；
And：The anti-drawing element 13 being made of bottom plate, backboard and side plate is had, bolt hole 15 is provided on bottom plate, is provided on backboard
Tapping screw hole；
Have C-type steel stiffener 12；
Have the connector being made of resistance to plucking anchor bolt 14, gasket 16, nut 19；
Be provided on top beam 11 with 15 corresponding hole of bolt hole, be provided with and 15 corresponding hole of bolt hole on bottom girder 17；
For the opening of top beam 11 slightly larger than 8 width of lower floor's post, the top of two neighboring lower floor's post 8 is embedded in that top beam 11 is downward to be opened
In mouthful and pass through tapping screw 10 and fix；
Be also associated with anti-drawing element 13 between 8 inner wall of lower floor's post and top beam 11, wherein the backboard of anti-drawing element 13 and lower floor's post 8 it
Between fixed with tapping screw 10, the hole that the bottom plate of anti-drawing element 13 is close on top beam 11 and top beam 11 is be overlapped with bolt hole 15；
Top beam 11 fixes floor beam 9 above with tapping screw 10, and floor beam 9 fixes bottom girder above with tapping screw 10
17；
For the opening of bottom girder 17 slightly larger than 18 width of upper strata post, it is upward that the bottom of two neighboring upper strata post 18 is embedded in bottom girder 17
In opening and pass through tapping screw 10 and fix；
Anti-drawing element 13, the wherein backboard of anti-drawing element 13 and upper strata post 18 are also associated between 18 inner wall of upper strata post and bottom girder 17
Between fixed with tapping screw 10, the hole that the bottom plate of anti-drawing element 13 is close on bottom girder 17 and bottom girder 17 is be overlapped with bolt hole 15；
Truss-like strengthening part is mounted between top beam 11 and bottom girder 17, and passes through bolt hole 15, top by resistance to plucking anchor bolt 14
After beam 11, steel sleeve 4, bottom girder 17, it is fixed to each other by gasket 16 and nut 19.
Wherein：It is alternate to be welded with Reinforced Hoop 3 on steel sleeve 4.9 inner wall of floor beam is also glued with stiffener 12 back-to-back, and
Stiffener 12 is fixed on floor beam 9 with tapping screw 10.
Oblique reinforcing bar 1 is with open pore steel plate 2 preferably by fillet weld seam.
Storey between framework strengthening part is installed to the head of wall end across later every across arrangement；Erection sequence is：Bottom wall
After section keel are fixed with basis, floor beam 9 is fixed to by tapping screw 10 on the U-shaped top beam 11 of bottom, then floor is added
Strength part 12 is connected to tapping screw 10 on floor beam 9, after the bolt hole 15 that resistance to plucking anchor bolt 14 is passed through to bottom anti-drawing element 13, then
Across the gasket 16 for being placed on U-shaped 11 upper surface of top beam of bottom, after resistance to plucking anchor bolt 14 passes through steel sleeve 4, across top layer U-shaped bottom beam
Gasket 16 is placed after 17 again, tightens lower nut 19, completes the installation of interlayer strengthening part, also just completes the peace of floor wall section
Dress.
The seamless steel pipe that wall thickness 3mm can be used in steel sleeve 4 is made, and diameter 20mm passes through convenient for resistance to plucking anchor bolt 14；And in steel
50mm peripheral solders Reinforced Hoop 3 is spaced on casing 4, Reinforced Hoop 3 height 30mm, wall thickness 5mm carry out local strengthening, avoid steel bushing
Local buckling occurs for pipe 4；4 end welded hollow bearing 5 of steel sleeve is avoided by occurring during load action along end drawing crack or locally
It squeezes and destroys；And the confrontation of steel sleeve 4 is weighed anchor after 14 compressive buckling of bolt has the function of restrained deformation, forms buckling restrained bracing work
Effect, buckling fails when can inhibit 14 compression of resistance to plucking anchor bolt effect.
To improve the force transfer capacity of resistance to plucking anchor bolt 14, quilt when avoiding the tapping screw 10 on anti-drawing element 13 from transmitting vertical load
It cuts, and improves the ability of the outer unstability of anti-plane.14 quantity of resistance to plucking anchor bolt is single by each section setting that design specification is recommended
Increase to each section and set two, match on corresponding 13 bottom plate of anti-drawing element and run two bolts hole jointly, and anti-drawing element 13 uses three
Row's tapping screw 10 is connected on wall stand column.
Storey between framework strengthening part can be every across arrangement.
Claims (3)
1. a kind of light gauge cold-formed steel shape house interlayer strengthening part, which constructs for truss-like, it is characterised in that truss
Formula construction includes：It is projected as four upright steel sleeves of rectangular arrangement（4）, it is fixed on steel sleeve（4）Both ends and and steel sleeve
（4）Coaxial hollow bearing（5）, adjacent hollow bearing（5）Between be welded with horizontal cross reinforcing bar（6）Or horizontal longitudinal reinforcement
（7）, in horizontal cross reinforcing bar（6）With steel sleeve（4）The hollow bearing at four angles of the front and rear sides wall of composition（5）On, equal edge
Diagonal is welded with the oblique reinforcing bar of equal length（1）, every oblique reinforcing bar（1）Distal end be welded on an open pore steel plate
（2）On.
2. light gauge cold-formed steel shape house interlayer strengthening part according to claim 1, it is characterised in that：Steel sleeve（4）On,
It is alternate to be welded with Reinforced Hoop（3）.
3. light gauge cold-formed steel shape house interlayer strengthening part according to claim 1, it is characterised in that：Open pore steel plate（2）
Vertical slotted eye is provided with, transverse is vertical axis, and short axle is lateral shaft, and the ratio between long axis and minor axis length are 2:1-4:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610876110.3A CN106436903B (en) | 2016-10-08 | 2016-10-08 | Light gauge cold-formed steel shape house interlayer strengthening part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610876110.3A CN106436903B (en) | 2016-10-08 | 2016-10-08 | Light gauge cold-formed steel shape house interlayer strengthening part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106436903A CN106436903A (en) | 2017-02-22 |
| CN106436903B true CN106436903B (en) | 2018-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610876110.3A Expired - Fee Related CN106436903B (en) | 2016-10-08 | 2016-10-08 | Light gauge cold-formed steel shape house interlayer strengthening part |
Country Status (1)
| Country | Link |
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| CN (1) | CN106436903B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958292A (en) * | 2017-04-14 | 2017-07-18 | 西藏藏建科技股份有限公司 | A kind of prefabricated buildings based on light gauge cold-formed steel shape |
| CN110180870B (en) * | 2019-06-26 | 2024-05-10 | 西南科技大学 | Fiber reinforcement waste material treatment equipment |
| CN111851740A (en) * | 2020-08-24 | 2020-10-30 | 汉尔姆建筑科技有限公司 | Supporting component of steel structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1416519A (en) * | 1971-11-16 | 1975-12-03 | Adler J O | Steel frame works |
| JPH03233061A (en) * | 1990-02-05 | 1991-10-17 | Sekisui House Ltd | Lattice column |
| CN201148667Y (en) * | 2008-01-08 | 2008-11-12 | 长安大学 | Cold bending thin wall section steel multi-layer stagger girders system |
| CN101603352A (en) * | 2009-06-24 | 2009-12-16 | 中国电子工程设计院 | A kind of Castellated beam and steel frame system |
| CN201433510Y (en) * | 2009-05-21 | 2010-03-31 | 中国电子工程设计院 | Steel roof cover system |
| CN101793059A (en) * | 2010-03-17 | 2010-08-04 | 西南科技大学 | Cold bending thin-wall steel beam column node |
-
2016
- 2016-10-08 CN CN201610876110.3A patent/CN106436903B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1416519A (en) * | 1971-11-16 | 1975-12-03 | Adler J O | Steel frame works |
| JPH03233061A (en) * | 1990-02-05 | 1991-10-17 | Sekisui House Ltd | Lattice column |
| CN201148667Y (en) * | 2008-01-08 | 2008-11-12 | 长安大学 | Cold bending thin wall section steel multi-layer stagger girders system |
| CN201433510Y (en) * | 2009-05-21 | 2010-03-31 | 中国电子工程设计院 | Steel roof cover system |
| CN101603352A (en) * | 2009-06-24 | 2009-12-16 | 中国电子工程设计院 | A kind of Castellated beam and steel frame system |
| CN101793059A (en) * | 2010-03-17 | 2010-08-04 | 西南科技大学 | Cold bending thin-wall steel beam column node |
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|---|---|
| CN106436903A (en) | 2017-02-22 |
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