CN106436903A - Interlayer reinforcement component of cold-bent thin-wall type steel house - Google Patents
Interlayer reinforcement component of cold-bent thin-wall type steel house Download PDFInfo
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- CN106436903A CN106436903A CN201610876110.3A CN201610876110A CN106436903A CN 106436903 A CN106436903 A CN 106436903A CN 201610876110 A CN201610876110 A CN 201610876110A CN 106436903 A CN106436903 A CN 106436903A
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- steel
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- strengthening part
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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
-
- 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)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses an interlayer reinforcement component of a cold-bent thin-wall type steel house. The interlayer reinforcement component is characterized by being of a truss type structure and comprising four upright steel bushings (4) with rectangular projections, and hollow supports (5) which are fixed at two ends of the steel bushings (4) and are coaxial with the steel bushings (4), wherein horizontal transverse steel bars (6) or horizontal longitudinal steel bars (7) are welded between every two adjacent hollow supports (5); oblique steel bars (1) with equal lengths are welded on the hollow supports (5) at four corners of each of front and rear side walls formed by the horizontal transverse steel bars (6) and the steel bushings (4) along the diagonal direction; the far end of each oblique steel bar (1) is welded on a perforated steel plate (2); reinforcement hoops (3) are welded alternately on the steel bushings (4). The reinforcement component is applicable to the cold-bent thin-wall type steel house which is of a multilayer house beam column structure; the force transmission path is direct and reliable; the lateral resistant ability and the capability of bearing the vertical load action of the whole structure can be obviously improved.
Description
Technical field
The present invention relates to a kind of light gauge cold-formed steel shape house storey between framework formula strengthening part, it is particularly suited for being arranged on low layer
And in multilamellar layering assembled cold formed steel structure house, belong to construction engineering technical field.
Background technology
The recyclable reuse ratio of main construction material that light gauge cold-formed steel shape house is adopted up to more than 90%, its load-bearing
Assembled wall generally by light gauge cold-formed steel shape wall stand post, interior fill out heat-preservation cotton and be cladded with plasterboard etc. and constitute, it is easy to accomplish resource
Cycling and reutilization；Wallboard has good thermal and insulating performance, reduces the energy expenditure during using, meets national green ring
Guaranteed request；The high-strength deadweight of structure light wt is only the 1/4-1/3 of concrete frame structure, and its structure, basic material all greatly reduce,
Geological process is also greatly lowered；Wall stand post 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 the advantage being easily achieved building industrialization, in recent years I
State starts to introduce the residential housing of this system in a large number, and the low-rise building especially built after the shake of Wenchuan is more.Insider is to combination
Body of wall shear behavior under unidirectional and reciprocating load has carried out substantial amounts of experimental study and finite element analyses, has obtained this wall
Body has preferable load-carrying properties, destroys how based on wallboard and tapping screw inefficacy, interior wall trestle no destroys；Domestic to 2-3
The integral house of layer has carried out shaketalle test under the macroseism of prototype, shows that this structural system house has outstanding antidetonation
Performance, structure is many come off with wall panel cracking and tapping screw based on, Progressive Collapse will not occur.Consider construction work
Between skill, structure stress, component the features such as power transmission, system many rod members, current assembly method is to fill each floor wall stand post in factory
Transport to on-site consolidation after becoming wall section, define《Low layer light gauge cold-formed steel shape building construction technology specification》（JGJ227-2011）Push away
The floor junction way recommended, the horizontal earthquake action that body of wall is born simplifies when body of wall top, and body of wall can be made to rotate
And sliding, at present imposed load effect is resisted by setting resistance to plucking crab-bolt mode at every layer of wall section bottom and wall bottom bearing,
It is limited to low-rise building to be difficult to meet people to building multi-functional requirement it is also difficult to reply China has 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 is applied in tier building.But when structural system is used for tier building, with
The house number of plies increases, and beneath each layer body of wall bears pressure and will increase, and the shearing that each layer is produced by geological process also will increase, therefore
The assembled wall being formed is the bottleneck factor limiting this system to many high-rise development in the discontinuous way in floor junction all the time, compels
Be essential strengthening measure to be taken, and improves levels wall intersegmental collaborative work ability.
Chinese patent ZL201210564012.8 discloses a kind of tier building cold bending thin-wall steel beam column structural system, bag
Include armored concrete grade beam（1）, armored concrete grade beam（1）In be fixed with post upright upwards, every post is fixed with and post
Vertical beam, every beam be parallel to each other it is characterised in that：Post uses rectangle steel tubing string（2）；Beam uses and is 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 embedding in the cavities, part or all of rectangle steel tubing string（2）Cavity in be filled with sandy gravel（3）.
In this patented technology, interior wall trestle is vertically continuous, and carries out the way of floor reinforcement using double angle, and its Path of Force Transfer directly may be used
Lean on, it is possible to increase the lateral resistant ability in house, this method of interior wall is used.But, when being applied to exterior wall, the presence of angle steel
Make outer surface of wall plate be difficult to install, there is certain technological deficiency, and presence need to adopt self-drilling connection floor beam in a large number
With body of wall, the splicing of wall stand post interface needs in-situ processing, limited by popularization and application.
Content of the invention
The purpose of the present invention is to design a kind of Path of Force Transfer directly reliability, can significantly improve structure entirety lateral resistant ability and hold
The light gauge cold-formed steel shape house interlayer strengthening part being applied to tier building beam column construction by the ability of vertical uniform load q.
The concrete technical scheme of the present invention is：
A kind of light gauge cold-formed steel shape house interlayer strengthening part is it is characterised in that this strengthening part constructs for truss-like：Including throwing
Shadow is four upright steel thimbles of rectangular arrangement, is fixed on steel thimble two ends the hollow bearing coaxial with steel thimble, adjacent
It is welded with horizontal cross reinforcing bar or horizontal longitudinal reinforcement, before horizontal cross reinforcing bar with steel thimble composition between hollow bearing
Afterwards on the hollow bearing at four angles of two side, all diagonally it is welded with the oblique reinforcing bar of equal length, every oblique
The far-end of reinforcing bar is welded on an open pore steel plate.
Further scheme is：On steel thimble, alternate it is welded with Reinforced Hoop.
Further scheme is：Open pore steel plate has vertical slotted eye, and transverse is vertical axis, and short axle is horizontal
Axle, and major axis is 2 with the ratio of minor axis length:1-4:1.
In the present invention：
Truss is space multistory truss, and its horizontal cross bar diameter can be 20mm, horizontal longitudinal reinforcement and oblique reinforcing bar diameter
Can be 16mm, all reinforcing bars are all welded on the hollow bearing of steel bushing tube end by welding manner, horizontal cross reinforcing bar is selected
Larger diameter, is for improving 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, between hole, clear distance 20mm is advisable, and reinforcing bar is connected using angle welding with open pore steel plate, and this construction can significantly improve floor and connect
Place's energy dissipation capacity, and shorten Reinforcing Steel Bar Calculation length, there is unstability outside face in suppression reinforcing bar.
It is an advantage of the invention that：
Rely on and lay space truss strengthening part between the bottom girder of floor junction top, can partly undertake level and vertical load is made
With improving the drag ability of the weak part of floor junction；Resistance to plucking crab-bolt quantity is by design specification《Low layer light gauge cold-formed steel shape
Building construction technology specification》（JGJ227-2011）Single each section that increases to of each section setting recommended arranges two, carries
The force transfer capacity of high resistance to plucking crab-bolt, it is to avoid cut off during tapping screw transmission vertical load on anti-drawing element, and improve outside anti-plane
The ability of unstability；Interlayer strengthening part adopts factorial praluction, uses cooperatively with the resistance to plucking crab-bolt of floor junction, in-site installation
Speed is fast, and this system can be applied in cold formed steel structure house, forms the building industry easy to implement of layering assembling
The multiple structure system changed；And do not change《Low layer light gauge cold-formed steel shape building construction technology specification》The floor junction recommended is done
Method, the relevant design method that specification specifies still has certain suitability, suitable building industrialization, and monolayer wall section wall stand post can be
Transport to scene after factory process is good to be assembled, speed of application is fast；Strengthening part adopts space truss form, low cost, deadweight
Gently, it is easily installed, will not substantially increase house comprehensive cost and house weight, strong applicability.
Using after floor junction carries out interlayer construction reinforcement, force transferring part increases to three parts, then passes to lower floor's body of wall
Back timber, can significantly improve structure entirety lateral resistant ability and the ability bearing vertical uniform load q.
Storey between framework strengthening part adopts factorial praluction, uses cooperatively with the resistance to plucking crab-bolt of floor junction, not additionally
Increase connector, in-site installation speed is fast, solves the pass that this kind of structural system is applied in multilamellar light gauge cold-formed steel shape house
Key problem；House weight will not substantially be increased, also would not increase geological process, connect under action of static load and be in elastic shape
State, strengthening part can improve the rigidity of structure, and after when macroseism occurs, strengthening part enters elastic-plastic behavior, open pore steel plate starts to consume
Can, reinforcing bar can be protected not occur too early flexing to lose efficacy, therefore anti seismic efficiency is good；Under wind load effect, storey between framework rib
Part can significantly improve structural damping, reduces the acceleration that structure produces；After demolishing buildings, storey between framework strengthening part is easy to tear open
Remove, it may continue to use, and is arranged in wall plane, do not affect to build attractive in appearance.
Brief description
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 thimble and its assembly 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 crab-bolt and its assembly schematic three dimensional views in the present invention.
In figure：1- oblique reinforcing bar, 2- open pore steel plate, 3- Reinforced Hoop, 4- steel thimble, the hollow bearing of 5-, 6- horizontal cross steel
Muscle, the horizontal longitudinal reinforcement of 7-, 8- lower floor's post, 9- floor beam, 10- tapping screw, 11- back timber, 12- stiffener, 13- anti-drawing element,
14- resistance to plucking crab-bolt, 15- bolt hole, 16- pad, 17- bottom girder, 18- upper strata post, 19- nut.
Specific embodiment
Describe the present invention below in conjunction with the accompanying drawings.
As Fig. 1, a kind of light gauge cold-formed steel shape house interlayer strengthening part is it is characterised in that this strengthening part is truss-like structure
Make：Including the upright steel thimble 4 of be projected as rectangular arrangement four, it is fixed on steel thimble 4 two ends the sky coaxial with steel thimble 4
Heart bearing 5, is welded with horizontal cross reinforcing bar 6 or horizontal longitudinal reinforcement 7, in horizontal cross reinforcing bar 6 between adjacent hollow bearing 5
On the hollow bearing 5 at four angles of two side in front and back constituting with steel thimble 4, all diagonally it is welded with equal length
Oblique reinforcing bar 1, the far-end of every oblique reinforcing bar 1 is welded on an open pore steel plate 2.
On steel thimble 4, alternate it is welded with Reinforced Hoop 3.
Open pore steel plate 2 has 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 light gauge cold-formed steel shape for light gauge cold-formed steel shape house interlayer strengthening part
The embodiment of beam column construction.
Including the beam and column cooperating：
Post is constituted by being close to back-to-back and with two fixing C-type steel of tapping screw 10, containing lower floor's post 8 and upper strata post 18；
Beam includes C-type steel floor beam 9, connect the two neighboring post U-shaped steel cap in lower floor house 11 that Open Side Down and opening to
On upper strata house U-shaped steel bottom girder 17；
And：Have the anti-drawing element 13 being made up of base plate, backboard and side plate, base plate has bolt hole 15, backboard has self tapping
Screw hole；
Have C-type steel stiffener 12；
Have the connector being made up of resistance to plucking crab-bolt 14, pad 16, nut 19；
Hole corresponding with bolt hole 15 is had on back timber 11, bottom girder 17 has hole corresponding with bolt hole 15；
Back timber 11 opening is slightly larger than lower floor's post 8 width, and the top of two neighboring lower floor's post 8 is embedded in the downward opening of back timber 11
And it is fixing by tapping screw 10；
It is also associated with anti-drawing element 13 between lower floor's post 8 inwall and back timber 11, use wherein between the backboard of anti-drawing element 13 and lower floor's post 8
Tapping screw 10 is fixing, and the hole that the base plate of anti-drawing element 13 is close on back timber 11 and back timber 11 is overlapping with bolt hole 15；
Back timber 11 fixes floor beam 9 above with tapping screw 10, and floor beam 9 fixes bottom girder 17 above with tapping screw 10；
Bottom girder 17 opening is slightly larger than upper strata post 18 width, and the bottom of two neighboring upper strata post 18 is embedded in bottom girder 17 opening upwards
In and fixing by tapping screw 10；
It is also associated with anti-drawing element 13, wherein between the backboard of anti-drawing element 13 and upper strata post 18 between upper strata post 18 inwall and bottom girder 17
Fixing with tapping screw 10, the hole that the base plate of anti-drawing element 13 is close on bottom girder 17 and bottom girder 17 is overlapping with bolt hole 15；
Truss-like strengthening part is arranged between back timber 11 and bottom girder 17, and by resistance to plucking crab-bolt 14 pass through bolt hole 15, back timber 11,
After steel thimble 4, bottom girder 17, interfixed by pad 16 and nut 19.
Wherein：On steel thimble 4, alternate it is welded with Reinforced Hoop 3.Floor beam 9 inwall is also glued with stiffener 12 back-to-back, and
With tapping screw 10, stiffener 12 is fixed on floor beam 9.
Oblique reinforcing bar 1 and open pore steel plate 2 are preferably by fillet weld seam.
Storey between framework strengthening part is installed to the head of body of wall end across afterwards every across arrangement；Erection sequence is：Bottom wall
After section Os Draconis and basis fix, floor beam 9 is fixed on the U-shaped back timber of bottom 11 by tapping screw 10, then by floor plus
Strength part 12 tapping screw 10 is connected on floor beam 9, and resistance to plucking crab-bolt 14 is passed through after the bolt hole 15 of bottom anti-drawing element 13, then
Pass through the pad 16 being placed on the U-shaped back timber of bottom 11 upper surface, after resistance to plucking crab-bolt 14 passes through steel thimble 4, through the U-shaped bottom girder of top layer
Place pad 16 again after 17, tighten lower nut 19, complete the installation of interlayer strengthening part, also just complete the peace of floor wall section
Dress.
Steel thimble 4 can adopt the seamless steel pipe of wall thickness 3mm to make, and diameter 20mm is easy to resistance to plucking crab-bolt 14 and is passed through；And in steel
It is spaced 50mm peripheral solder Reinforced Hoop 3, Reinforced Hoop 3 height 30mm, wall thickness 5mm on sleeve pipe 4, carry out local strengthening, it is to avoid steel bushing
There is local buckling in pipe 4；Steel thimble 4 end welded hollow bearing 5, it is to avoid by during load action occur along end drawing crack or locally
Extruding destroys；And steel thimble 4 antagonism weighs anchor and have the effect of restrained deformation after bolt 14 compressive buckling, form buckling restrained bracing and make
Effect, can suppress flexing during resistance to plucking crab-bolt 14 pressurized effect to lose efficacy.
For improving the force transfer capacity of resistance to plucking crab-bolt 14, it is to avoid the quilt when tapping screw 10 on anti-drawing element 13 transmits vertical load
Cut off, and improve the ability of the outer unstability of anti-plane.Each section setting that resistance to plucking crab-bolt 14 quantity is recommended by design specification is single
Increase to each section and arrange two, two bolts hole are opened in cooperation on corresponding anti-drawing element 13 base plate, and anti-drawing element 13 adopts three
Row's tapping screw 10 is connected on wall stand post.
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 is it is characterised in that this strengthening part constructs for truss-like：Including
It is projected as four upright steel thimbles of rectangular arrangement（4）, it is fixed on steel thimble（4）Two ends and steel thimble（4）Coaxial sky
Heart bearing（5）, adjacent hollow bearing（5）Between be welded with horizontal cross reinforcing bar（6）Or horizontal longitudinal reinforcement（7）, in level
Transverse steel（6）With steel thimble（4）The hollow bearing at four angles of two side before and after constituting（5）On, all diagonally
It is welded with the oblique reinforcing bar of equal length（1）, every oblique reinforcing bar（1）Far-end be welded on an open pore steel plate（2）On.
2. light gauge cold-formed steel shape house according to claim 1 interlayer strengthening part it is characterised in that：Steel thimble（4）On,
Alternate it is welded with Reinforced Hoop（3）.
3. light gauge cold-formed steel shape house according to claim 1 interlayer strengthening part it is characterised in that：Open pore steel plate（2）
Have vertical slotted eye, transverse is vertical axis, short axle is lateral shaft, and major axis is 2 with the ratio of minor axis length: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 true CN106436903A (en) | 2017-02-22 |
| CN106436903B 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) |
Cited By (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 |
| CN110180870A (en) * | 2019-06-26 | 2019-08-30 | 西南科技大学 | A kind of fiber bar disposal unit |
| CN111851740A (en) * | 2020-08-24 | 2020-10-30 | 汉尔姆建筑科技有限公司 | Supporting component of steel structure |
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| 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 |
Cited By (4)
| 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 |
| CN110180870A (en) * | 2019-06-26 | 2019-08-30 | 西南科技大学 | A kind of fiber bar disposal unit |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106436903B (en) | 2018-07-10 |
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