CN107090943A - Angle brace tie rod as purlin fulcrum light-steel roofing system - Google Patents
Angle brace tie rod as purlin fulcrum light-steel roofing system Download PDFInfo
- Publication number
- CN107090943A CN107090943A CN201710448138.1A CN201710448138A CN107090943A CN 107090943 A CN107090943 A CN 107090943A CN 201710448138 A CN201710448138 A CN 201710448138A CN 107090943 A CN107090943 A CN 107090943A
- Authority
- CN
- China
- Prior art keywords
- purlin
- tie rod
- angle
- angle brace
- brace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a kind of light-steel roofing system of angle brace tie rod as purlin fulcrum.Including girder steel, purlin, angle brace, tie rod, purlin support and connecting plate, girder steel top flange top surface is fixedly connected with purlin support, purlin support in the middle part of purlin with being fixedly connected, purlin is arranged vertically with girder steel, the both sides of girder steel lower flange are fixedly connected with connecting plate between web respectively, purlin two ends are respectively connected with angle brace, are connected between purlin and connecting plate angle brace diagonal brace；Tie rod is connected between adjacent two purlins；The tie rod is connected between adjacent two purlin any places or between angle brace and adjacent two purlins of purlin connection by tie rod angle cleat.The present invention forms a firm space-load system, at the same can reduce in the face of purlin in, computational length outside face, be conducive to the design of purlin to meet, the space holistic resistant behavior of raising roofing system；It can be widely applied in the design of light section steel structure roofing that is made up of girder steel, purlin, angle brace and tie rod.
Description
Technical field
The present invention relates to a kind of light section roof purline system, purlin fulcrum is used as more particularly, to a kind of angle brace tie rod
In light-steel roofing system, the roof purline system that can be widely applied to light Steel-Structure Factory with Steel.
Background technology
In light Steel-Structure Factory with Steel, whole building is made up of structural system and retaining design.Structural system is by portal-rigid frames, facade
Support, roofing system composition, form a firm framework.Retaining design is by roofing system and metope system group
Into being attached in structural system, form light-type steel structural workshop of the complete satisfaction using function.
In roofing enclosure system, mainly it is made up of purlin, angle brace, tie rod, roof boarding.Roof boarding self threading pin or fixation
Seat is fixed on purlin, and purlin is fixed on portal-rigid frames by purlin support, and tie rod is at a certain distance from ridge by each purlin drawknot
Get up, angle brace connects the lower flange of portal-rigid frames crossbeam and purlin.
The effect of purlin is effectively to be delivered to the load of roof boarding on portal-rigid frames, and purlin needs preferable bending resistance
Intensity, rigidity and stability.Purlin typically uses Z-type or c-type light gauge cold-formed steel shape, and in-plane strength, rigidity, stability are by girder steel
Span determine.Because the Out-of Plane Stiffness of purlin is weaker, a few road tie rods are set often through along the span direction of purlin, to provide
The out of plane constraint of purlin, reduces computational length outside the face of purlin, to ensure the lateral stability of purlin.
In actual applications, tie rod is often subsection setup, in order to be linked and packed conveniently, the axis of two neighboring tie rod
Not point-blank, but be connected on purlin on two bolts hole at regular intervals.Two neighboring tie rod axle power
Eccentric locally to produce a moment of flexure for purlin, purlin is under the Moment, and because purlin wall thickness is very thin, rigidity is very weak, very
Easily form local torsion's deformation.The axial displacement of tie rod can be so caused, causes tie rod to relax, it is impossible to is carried well for purlin
For face outer support rigidity, it is impossible to computational length outside the effective face for reducing purlin.
The effect of angle brace is to connect purlin and portal-rigid frames crossbeam, forms triangle robust structure.Such purlin
For portal-rigid frames crossbeam support can be provided by angle brace, it is to avoid unstability outside the face of portal-rigid frames crossbeam, reduce portal-rigid frames horizontal
Computational length outside the face of beam.Meanwhile, portal-rigid frames crossbeam for purlin can also provide support by angle brace, reduce the effective of purlin
Computational length.
In actual applications, purlin and angle brace junction, outside angle brace, the gore of purlin formation it is not any about
Beam, is typically not provided with tie rod herein, and this is easy for making purlin have certain unstability displacement outside face, reduces angle brace to purlin
Supporting role, the computational length reduction to purlin, it is impossible to play useful effect.
Based on above technical background, it is necessary to carry out structural system optimization to angle brace, purlin, portal-rigid frames transverse beam system, carry
High tie rod and the rigidity of purlin junction, and the mutual cooperative bearing relation of angle brace, purlin and tie rod three are made full use of, strengthen
The globality of roof purline system, plays spatial cooperation stress performance, can save roofing steel using amount, there is larger economic performance.
The content of the invention
In order to overcome in existing purlins at tie rod tie point, purlin local stiffness is weak, tie rod relaxation shortcoming, and
Shortcoming without constraint rigidity outside the face of angle brace purlin junction, the present invention proposes a kind of angle brace tie rod as the light steel of purlin fulcrum
Roofing system：By improving the connecting node way of tie rod, the axial rigidity of tie rod is improved, tie rod relaxation is reduced；By in corner
Support purlin junction sets tie rod to limit the face outer displacement of purlin, improves purlin lateral rigidity, can meet angle brace as purlin
Fulcrum assume condition, formed space-load system, effectively reduce the effective calculating length of purlin.
The technical solution adopted by the present invention is：
The present invention includes girder steel, purlin, angle brace, tie rod, purlin support and connecting plate, and girder steel top flange top surface is fixedly connected with purlin
Support, purlin support in the middle part of purlin by connecting bolt with being fixedly connected, and purlin is arranged vertically with girder steel, the both sides difference of girder steel lower flange
Connecting plate is fixedly connected between web, purlin two ends are respectively connected with angle brace, are connected to purlin and connecting plate angle brace diagonal brace
Between；Tie rod is connected between adjacent two purlins.
Adjacent two purlins that the tie rod is connected to beyond angle brace and purlin connection by tie rod angle cleat are appointed
Between meaning, it is specifically：Described purlin two sides are symmetrically installed with a counter brace angle cleat, the tie rod angle cleat of both sides
Between by being fixedly attached to purlin two sides through the connecting bolt of purlin, wherein the one of tie rod angle cleat half side is close to purlin
Bar side, the another of tie rod angle cleat half side is fixedly connected with tie rod end；Tie rod two ends are connected respectively to two adjacent purlins
On the tie rod angle cleat of bar, and two tie rods of purlin both sides are arranged on same level straight line, so as to form adjacent
Face outer support connection between two purlins.
The tie rod is connected between angle brace and adjacent two purlins of purlin connection by tie rod angle cleat, tool
Body is：Described angle brace end is processed into steel angle structure or is welded with steel angle structure, and angle brace end is connected to purlin side, purlin
Bar opposite side is provided with the tie rod angle cleat being arranged symmetrically with angle brace end steel angle structure, angle brace end and tie rod angle cleat
Between be fixedly attached to the wherein half of purlin two sides, angle brace end and tie rod angle cleat with the connecting bolt through purlin
Purlin side is close in side, and the another of angle brace end and tie rod angle cleat half side is fixedly connected with tie rod end respectively；Tie rod two
End is connected respectively on the angle brace end of two adjacent purlins or tie rod angle cleat, and two tie rod cloth of purlin both sides
Put on same level straight line, so as to form the face outer support connection between two neighboring purlin.
Described tie rod uses round steel, end bending, and is provided with screw thread in the end of bending, and the end of tie rod bending is worn
Fixation is tightened with nut so that tie rod is connected to tie rod angle cleat after crossing another half side through hole of tie rod angle cleat.
Described tie rod uses band steel, and end is provided with through hole, and the through hole and tie rod angle cleat of tie rod end are another half side
Through hole tighten fixation with connecting bolt nut so that tie rod is connected to tie rod angle cleat.
Described tie rod angle cleat wherein one it is half side and it is another it is half side between be connected with ribbed stiffener
Described purlin is connected by connecting bolt with the purlin support being fixed on girder steel.
Described angle brace upper end is fixedly connected by connecting bolt with purlin end, and angle brace lower end is fixed by connecting bolt
It is connected to and is located at purlin end on the connecting plate of the same side.
Described purlin is the structure of Z-type or c-type.
Beneficial effects of the present invention are embodied in：
The invention enables angle brace, girder steel, purlin and tie rod one firm space-load system of formation, while can reduce
The span of purlin, the lateral stability bearing capacity for increasing purlin, greatly reduce purlin section, save steel using amount, and improve roofing
The space holistic resistant behavior of system.
The present invention will improve the Path of Force Transfer of tie rod connection, and the axle for improving tie rod draws rigidity, reduces the pine of tie rod
Relax, out of plane constraint of the tie rod to purlin can be effectively improved, play the efficiency of purlin, save purlin steel using amount.
System of the present invention can be widely applied to setting for the light section steel structure roofing being made up of girder steel, purlin, angle brace and tie rod
In meter.
Brief description of the drawings
Fig. 1 is the elevation of the present invention.
Fig. 2 is Fig. 1 A-A profiles.
Fig. 3 is Fig. 1 B-B profiles.
Fig. 4 is C-C profiles of the Fig. 1 when tie rod is round steel.
Fig. 5 is D-D profiles of the Fig. 1 when tie rod is band steel.
In figure：1st, girder steel；2nd, purlin；3rd, angle brace；4th, tie rod；5th, connecting bolt；6th, purlin support；7th, connecting plate；8th, tie rod connects
Connect angle steel；9th, ribbed stiffener.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
As shown in Figure 1-2, present invention specific implementation includes girder steel 1, purlin 2, angle brace 3, tie rod 4, purlin support 6 and connecting plate 7,
The top flange top surface of girder steel 1 is fixedly connected with purlin support 6, and purlin support 6 is fixedly connected with the middle part of purlin 2 by connecting bolt 5, purlin 2 with
Girder steel 1 is arranged vertically, and the both sides of the lower flange of girder steel 1 are fixedly connected with connecting plate 7 between web respectively.
As shown in figure 1, the two ends of purlin 2 are respectively connected with angle brace 3, it is connected between purlin 2 and connecting plate 7 diagonal brace of angle brace 3,
The upper end of angle brace 3 is fixedly connected by connecting bolt 5 with the end of purlin 2, the lower end of angle brace 3 by connecting bolt 5 be fixedly connected on
The end of purlin 2 is located on the connecting plate 7 of the same side.
As shown in Fig. 2 tie rod 4 is connected with the purlin 2 near angle brace 3 and the connection of purlin 2, will by tie rod 4
Two neighboring purlin 2 is connected.
As shown in Fig. 2 the connected mode between tie rod 4 and purlin 2 is specially：The two sides of purlin 2 are symmetrically installed with a pair
Purlin 2 is fixedly attached to by the connecting bolt 5 through purlin 2 between tie rod angle cleat 8, the tie rod angle cleat 8 of both sides,
Tie rod angle cleat 8 wherein one it is half side be close to the side of purlin 2 and be equipped with connecting bolt 5, tie rod angle cleat 8 second half
Side is fixedly connected with the end of tie rod 4；The two ends of tie rod 4 are connected respectively on the tie rod angle cleat 8 of two adjacent purlins 2, and
Two tie rods 4 of the both sides of purlin 2 are arranged on same level straight line, it is achieved thereby that being propped up outside the face between two neighboring purlin 2
Support connection.
As shown in figure 3, be may each be for the connected mode between angle brace 3 and purlin 2 as between tie rod 4 and purlin 2
Connected mode, i.e., be arranged to the structure of tie rod angle cleat 8 by the end of angle brace 3.
There are two kinds of embodiments for the attachment structure between tie rod 4 and the end of angle brace 3 or tie rod angle cleat 8：
As shown in figure 4, purlin 2 is Z-type structure, tie rod 4 uses round steel, end bending, and is provided with the end of bending
Fixation is tightened with nut in screw thread, the end that tie rod 4 is bent so that tie rod 4 after passing through another half side through hole of tie rod angle cleat 8
It is connected to tie rod angle cleat 8.
As shown in figure 5, purlin 2 is Z-type structure, tie rod 4 uses band steel, and end is provided with through hole, the through hole of the end of tie rod 4 with
Another half side through hole of tie rod angle cleat 8 tightens fixation with the nut of connecting bolt 5 so that tie rod 4 is connected to tie rod joint angle
Steel 8.
In specific implementation, can again tie rod angle cleat 8 wherein one it is half side and it is another it is half side between be provided for strengthening firm
The ribbed stiffener 9 of degree.
On same girder steel 1, the direction of girder steel 1 is provided with multigroup main triangle branch that stabilization is made up of purlin 2 and angle brace 3
Support structure, the plane where each triangular support configurations, which is formd in face, effectively to be supported, and angle brace can provide for purlin in face
Effective support, reduces computational length in the face of purlin.But angle brace lacks support outside face, in purlin stress, because triangle
Do not constrained outside face where supporting construction, the computational length easily formed outside unstability or larger displacement outside face, purlin face can not
Effectively reduce, angle brace is not still helped too much for the design of purlin.
The present invention angle brace and purlin junction and be provided with there is provided together with elongated tie rod, and form effective face outer support
Power, can so cause angle brace, girder steel, purlin and tie rod one firm space-load system of formation, while can reduce purlin
Computational length in the face of bar, outside face, is conducive to the design of purlin to meet, and improves the space holistic resistant behavior of roofing system.This
Invention will improve the Path of Force Transfer of tie rod connection, and the axle for improving tie rod draws rigidity, reduces the relaxation of tie rod, can be effective
Out of plane constraint of the tie rod to purlin is improved, the efficiency of purlin is played, purlin steel using amount is saved.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention is also and in art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (8)
1. a kind of angle brace tie rod is used as the light-steel roofing system of purlin fulcrum, it is characterised in that：Including girder steel (1), purlin (2),
Angle brace (3), tie rod (4), purlin support (6) and connecting plate (7), girder steel (1) top flange top surface are fixedly connected with purlin support (6), purlin support (6)
With being fixedly connected in the middle part of purlin (2), purlin (2) is arranged vertically with girder steel (1), and the both sides of girder steel (1) lower flange are respectively and web
Between be fixedly connected with connecting plate (7), purlin (2) two ends are respectively connected with angle brace (3), are connected to purlin (2) angle brace (3) diagonal brace
Between connecting plate (7)；Tie rod (4) is connected between adjacent two purlins (2).
2. a kind of angle brace tie rod according to claim 1 is used as the light-steel roofing system of purlin fulcrum, it is characterised in that：Institute
State adjacent two purlins that tie rod (4) is connected to by tie rod angle cleat (8) beyond angle brace (3) and purlin (2) connection
(2) between any place, it is specifically：Described purlin (2) two sides are symmetrically installed with a counter brace angle cleat (8), both sides
Purlin (2) two sides are fixedly attached to by the connecting bolt (5) through purlin (2) between tie rod angle cleat (8), tie rod connects
Connect angle steel (8) wherein one it is half side be close to purlin (2) side, tie rod angle cleat (8) it is another half side solid with tie rod (4) end
Fixed connection；Tie rod (4) two ends are connected respectively on the tie rod angle cleat (8) of two adjacent purlins (2), and purlin (2) two
Two tie rods (4) of side are arranged on same level straight line, so that the face outer support formd between two neighboring purlin (2) connects
Connect.
3. a kind of angle brace tie rod according to claim 1 is used as the light-steel roofing system of purlin fulcrum, it is characterised in that：Institute
State tie rod (4) by tie rod angle cleat (8) be connected to angle brace (3) and purlin (2) connection adjacent two purlins (2) it
Between, it is specifically：Described angle brace (3) end is processed into steel angle structure or is welded with steel angle structure, and angle brace (3) end is connected to
Purlin (2) side, purlin (2) opposite side is provided with the tie rod angle cleat being arranged symmetrically with angle brace (3) end steel angle structure
(8), it is fixedly attached to purlin with the connecting bolt (5) through purlin (2) between angle brace (3) end and tie rod angle cleat (8)
(2) two sides, angle brace (3) end and tie rod angle cleat (8) wherein one it is half side be close to purlin (2) side, angle brace (3) end
Another with tie rod angle cleat (8) half side is fixedly connected with tie rod (4) end respectively；Tie rod (4) two ends are connected respectively to two
On angle brace (3) end of the adjacent purlin of root (2) or tie rod angle cleat (8), and two tie rods (4) of purlin (2) both sides
It is arranged on same level straight line, so as to form the face outer support connection between two neighboring purlin (2).
4. a kind of angle brace tie rod according to Claims 2 or 3 exists as the light-steel roofing system of purlin fulcrum, its feature
In：Described tie rod (4) end bending, and screw thread is provided with the end of bending, the end of tie rod (4) bending connects through tie rod
Fixation is tightened with nut so that tie rod (4) is connected to tie rod angle cleat (8) after connecing another half side through hole of angle steel (8).
5. a kind of angle brace tie rod according to Claims 2 or 3 exists as the light-steel roofing system of purlin fulcrum, its feature
In：Described tie rod (4) end is provided with through hole, the through hole and another half side through hole of tie rod angle cleat (8) of tie rod (4) end
Fixation is tightened with connecting bolt (5) nut so that tie rod (4) is connected to tie rod angle cleat (8).
6. a kind of angle brace tie rod according to Claims 2 or 3 exists as the light-steel roofing system of purlin fulcrum, its feature
In：Described tie rod angle cleat (8) wherein one it is half side and it is another it is half side between be connected with ribbed stiffener (9).
7. a kind of angle brace tie rod according to claim 1 is used as the light-steel roofing system of purlin fulcrum, it is characterised in that：Institute
The purlin (2) stated is connected by connecting bolt (5) with the purlin support (6) being fixed on girder steel (1).
8. a kind of angle brace tie rod according to claim 1 is used as the light-steel roofing system of purlin fulcrum, it is characterised in that：Institute
Angle brace (3) upper end stated is fixedly connected by connecting bolt (5) with purlin (2) end, and angle brace (3) lower end passes through connecting bolt
(5) it is fixedly connected on and is located at purlin (2) end on the connecting plate (7) of the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448138.1A CN107090943B (en) | 2017-06-14 | 2017-06-14 | Light steel roof system with angle brace as purline fulcrum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448138.1A CN107090943B (en) | 2017-06-14 | 2017-06-14 | Light steel roof system with angle brace as purline fulcrum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107090943A true CN107090943A (en) | 2017-08-25 |
| CN107090943B CN107090943B (en) | 2022-08-09 |
Family
ID=59639243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710448138.1A Active CN107090943B (en) | 2017-06-14 | 2017-06-14 | Light steel roof system with angle brace as purline fulcrum |
Country Status (1)
| Country | Link |
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| CN (1) | CN107090943B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528694A (en) * | 2019-08-23 | 2019-12-03 | 中衡设计集团股份有限公司 | A kind of steel roof joist and truss girder rigid joint |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107090943B (en) | 2022-08-09 |
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