CN108035441A - The double-deck dislocation truss and its construction method of a kind of building structure - Google Patents
The double-deck dislocation truss and its construction method of a kind of building structure Download PDFInfo
- Publication number
- CN108035441A CN108035441A CN201711383997.3A CN201711383997A CN108035441A CN 108035441 A CN108035441 A CN 108035441A CN 201711383997 A CN201711383997 A CN 201711383997A CN 108035441 A CN108035441 A CN 108035441A
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- truss
- rigid mount
- ring
- component
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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
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
-
- 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
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses the double-deck dislocation truss and its construction method of a kind of building structure,Bilayer dislocation truss includes upper strata rigid mount,Lower floor's rigid mount,Montant and surrounding receive frame side,Upper strata rigid mount is made of multiple ring components,Lower floor's rigid mount lacks component by multiple ring components positioned at middle part and multiple rings and forms,Ring component is according to horizontal and vertical regular array,Adjacent ring component is against welding,The ring component of upper strata rigid mount and the ring component or ring of lower floor's rigid mount lack component and shift to install,The ring component of upper strata rigid mount and the ring component or ring of lower floor's rigid mount are connected between lacking component by montant,Upper strata rigid mount is connected with the periphery of lower floor's rigid mount by surrounding receipts frame side,Surrounding receives frame side around upper strata rigid mount and lower floor's rigid mount,Bilayer dislocation truss has good flat in-plane stiffness,Bearing capacity,Stability and light transmittance.The construction method carries out fractionation installation, convenient transportation, installation safety to bilayer dislocation truss.
Description
Technical field
The present invention relates to truss for building and its construction method, more particularly to a kind of double-deck dislocation truss of building structure
And its construction method.
Background technology
Large-span steel is for normal steel structure, and large-span steel refers to that span is greater than or equal to 60
The roof structure of rice, common structure type have the space structures such as truss, rack, reticulated shell, suspended-cable structure and cable-membrane analysis.Greatly across
Degree steel construction main feature has：Steel using amount is few, from heavy and light, uniform in material, Force Calculation is reliable, processing and manufacturing is simple, industrialization
Degree is high, easy to transportation and installation, anti-seismic performance is strong etc..Most common large-span steel has rack, reticulated shell, space truss three
Kind.
Rack is to be arranged through bolted node sphere according to certain size of mesh opening by plurality of rods part to link the space structure formed.Tool
Have the advantages that uniform force, from heavy and light, rigidity is big, anti-seismic performance is good.Shortcoming be intersect at node rod piece quantity it is more, make
Install more complicated.
Reticulated shell is a kind of Spacial Frame Structures similar with flat plate framed structure, is to form grid based on rod piece, by housing knot
The space frame of structure arrangement, it has the property of leverage and housing.Reticulated shell includes single-layer latticed shell, plate-cone reticukted shell, rib
Ring-like Suo Cheng latticed shell structures, single-layer latticed intersected cylindrical shells and pre stressed lauice shell structure etc..
Space truss is a type of currently used large-span steel, frequently with triangle, rectangular section form,
Since it laterally has certain rigidity, it is possible to reduce or it is not provided with lateral connection component so that roofing down space is succinctly neat.
It is a large amount of emerging with large public buildings such as China's airport building, high ferro station, stadiums and conference and exhibition centers
Build, the design to Long-Span Steel Space Structures proposes requirements at the higher level.The structure type of built traditional wide span house cap is big
Amount is identical, lacks new meaning, limits the innovation of roof system architectural image.
The content of the invention
An object of the present invention is to provide a kind of double-deck dislocation truss of building structure, and bilayer dislocation truss has good
Good flat in-plane stiffness, bearing capacity, stability and light transmittance.
What this purpose of the present invention was realized by following technical solution：A kind of double-deck dislocation truss of building structure,
Truss includes upper strata rigid mount, lower floor's rigid mount, montant and surrounding and receives frame side, and upper strata rigid mount is by the identical multiple annulus of structure
Component is against simultaneously rigid connection composition, and lower floor's rigid mount is by the identical multiple ring components of the structure positioned at middle part and positioned at rim area
Multiple rings in domain lack component against simultaneously rigid connection composition, and multiple rings, which lack component, to be included positioned at corner being a quarter annulus structure
The a quarter ring of part lack component and positioned at a quarter ring lack component between the semicircle ring element for half of ring component,
The ring component of upper strata rigid mount is identical with the ring component structure of lower floor's rigid mount, the ring component of upper strata rigid mount and lower floor
The ring component of rigid mount is according to horizontal and vertical regular array, the ring component of upper strata rigid mount and the circle of lower floor's rigid mount
Ring element or ring lack component and shift to install, and the ring component of upper strata rigid mount and the ring component or ring of lower floor's rigid mount lack component
Between connected by montant, the junction that montant and ring component or ring lack component is rigid connection, and upper strata rigid mount and lower floor are firm
Property frame periphery pass through surrounding and receive frame side and connect, surrounding receives frame side around upper strata rigid mount and lower floor's rigid mount.
Further, projection and the annulus of corresponding lower floor rigid mount of the ring component of upper strata rigid mount in horizontal plane
Component or ring, which lack the projection of component in the horizontal plane, coincidence, forms four overlapping regions, and the shape of four overlapping regions
With area all same.
Further, double-deck dislocation truss is made of Q235 or Q345 steel.
Further, the cross sectional shape for the shaped steel used in montant to be made is rectangle or circle.
Further, surrounding receive frame side by rectangular tube, round steel pipe or H profile steel welding group into.
Further, the rise-span ratio of double-deck dislocation truss is not less than 1/20.
Further, the rise-span ratio of double-deck dislocation truss is 1/18~1/10.Further, the thickness of ring component with it is straight
The ratio in footpath is 1/12~1/15.
The second object of the present invention is to provide a kind of construction method of the double-deck dislocation truss of building structure, the construction method
Fractionation installation carried out to bilayer dislocation truss, convenient transportation, installation process is safe and reliable.
What this purpose of the present invention was realized by following technical solution：
The construction method of the double-deck dislocation truss of the building structure, comprises the following steps：
Step 1, sets up for by stent of the double-deck dislocation truss support in corresponding welding position at the construction field (site)；
Step 2, it would be desirable to the whole truss built planned, along its length on be divided into it is double-deck wrong by several
Position truss composition；
Step 3, goes out upper strata rigid mount, lower floor's rigid mount, montant and the surrounding of each double-deck dislocation truss in factory process
Frame side is received, and transports all parts to scene；
All parts are spliced into double-deck dislocation truss, and carry out nondestructive inspection inspection to welding junction one by one by step 4
Test；
Step 5, double-deck dislocation truss will be hung to above stent, bilayer will misplace on stent one by one with lifting equipment
Truss is welded to each other, and forms whole truss；
Step 6, stent and lifting equipment are removed.
Further, in step 6, first corresponding each stage operating mode progress structure is tested before striking and lifting equipment
Calculate, for planning dismounting order.
Compared with prior art, the invention has the advantages that：
1st, ring component has good confined effect, the upper strata rigid mount being welded by ring component and lower floor's rigidity
Frame, when receiving frame side by surrounding and forming fixed boundary, upper strata rigid mount and lower floor's rigid mount formed up and down two layers it is membranaceous, outside
Enclose under well-distributed pressure or uniformly distributed tension load effect, external force can be converted into the pressure or pulling force of itself, in X, Y both direction
Pulling force or pressure there is good rigidity and bearing capacity, for the structure according to film effect come stress, film effect is notable, above-mentioned four
It must have good rigidity and bearing capacity that week, which receives frame side,.Upper strata rigid mount and lower floor's rigid mount are erected by vertically arranged
Bar links into an integrated entity, common stress, and stability is more preferable.
2nd, compared with existing truss, double-deck dislocation truss of the invention is no longer equipped with the connection such as too many cross bar and brace
Component, layout rules, exterior sunlight are easier to pass through, and have more preferable translucency, the structure compared with existing steel frame construction
It is more succinct.
3rd, in construction method of the invention, whole truss is subjected to planning and is divided into by several bilayer dislocation truss groups
Into, and each double-deck dislocation truss is spliced at the scene, is more convenient to transport for the component split.Spelled at the scene
Connect, and nondestructiving inspecting test, installation process safety and reliability synchronously are carried out to welding junction.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the double-deck dislocation truss of the present invention；
Fig. 2 is the schematic cross-sectional view at A-A in Fig. 1；
Fig. 3 is the structure diagram of the upper strata rigid mount of the present invention；
The double-deck dislocation truss that Fig. 4 is the present invention removes the overlooking the structure diagram after the rigid mount of upper strata；
Fig. 5 is when the use of cross sectional shape being circular ring component, the schematic cross-sectional view in Fig. 4 at B-B；
When Fig. 6 is using the ring component that cross sectional shape is rectangle, the schematic cross-sectional view in Fig. 4 at B-B；
Fig. 7 is that a kind of surrounding of the present invention receives the structure diagram of frame side；
Fig. 8 is that another surrounding of the present invention receives the structure diagram of frame side, and display has additional brace.
Embodiment
A kind of double-deck dislocation truss of building structure as shown in Figure 1, Figure 2, Figure 3 and Figure 4, including upper strata rigid mount 2, under
Layer rigid mount 1, montant 5 and surrounding receive frame side 3, and upper strata rigid mount 2 is the identical rectangular planes of size with lower floor rigid mount 1
Frame, upper strata rigid mount 2 are located at the top of lower floor's rigid mount 1, and upper strata rigid mount is by the identical multiple ring components 4 of structure against simultaneously
Rigid connection forms, and lower floor's rigid mount is by the identical multiple ring components 4 of the structure positioned at middle part and positioned at the multiple of outer edge area
Ring lacks component against simultaneously rigid connection composition, and multiple rings lack four points for a quarter ring component that component includes being located at corner
One of ring lack component 42 and positioned at a quarter ring lack component between the semicircle ring element 41 for half of ring component, upper strata
The ring component of rigid mount 2 is identical with the ring component structure of lower floor rigid mount 1, the ring component of upper strata rigid mount 2 and lower floor
Multiple ring components of rigid mount 1 are according to horizontal and vertical regular array, the ring component of upper strata rigid mount 2 and lower floor's rigidity
The ring component or ring of frame 1 lack component and shift to install, the ring component of upper strata rigid mount 2 horizontal plane projection with it is corresponding
The ring component or ring of lower floor's rigid mount 1, which lack the projection of component in the horizontal plane, coincidence, forms four overlapping regions, and four
The shape and area all same of a overlapping region, in terms of overlook direction, are similar to several Chinese tradition ancient money shapes, it is broken through
Traditional steel structural roof stiff element arrangement.The top and bottom of montant 5 are firm with upper strata rigid mount 2 and lower floor respectively
Property frame 1 the tie point of component correspond to connection, the junction that montant and ring component or ring lack component is rigid connection, so that will be upper
Layer rigid mount 2 and lower floor's rigid mount 1 are connected with each other, and montant 5 plays Transfer of Shear and moment of flexure.
The periphery of upper strata rigid mount 2 and lower floor's rigid mount 1 is received frame side 3 by surrounding and is connected, and surrounding receives frame side 3 around upper strata
Rigid mount 2 and lower floor's rigid mount 1.Surrounding receives frame side 3 and carries out good constraint to the surrounding of double-deck dislocation truss so that upper strata is firm
Property frame 2 and the confined effect of circular ring shape structure 4 of lower floor's rigid mount 1 played, surrounding, which receives frame side 3, should has in preferable plane,
Out of plane stiffness, therefore H-type has been selected to the close structure manufacture of bending stiffness, the present embodiment using box steel, H profile steel etc. two
Steel.
As shown in figure 5, the cross sectional shape of the shaped steel for ring component to be made is circle, as shown in fig. 6, for circle to be made
The cross sectional shape of the shaped steel of ring element is rectangle.The feature of the ring component of rectangular section is good for bending stiffness, and stability is good, purlin
The rise-span ratio of frame can get the small value in permissible range, but welded steel amount is bigger than normal；The feature of the ring component of circular cross-section be by
Power situation is weaker than the ring component of rectangular section, but easy making process.Therefore the ring component of rectangular section and the circle of circular cross-section
Ring element respectively has advantage and disadvantage, can be selected according to actual design.
Surrounding receives frame side and employs conventional truss structural, its various structures, is illustrated in figure 7 a kind of surrounding and receives side
The structure diagram of frame, surrounding are received frame side 3 and are made of upper side frame 31, lower frame 32 and vertical connecting rod 33,31 ring of upper side frame
Around upper strata rigid mount 2 along side, lower frame 32 is around lower floor's rigid mount 1 along side, and connecting rod 33 is by upper side frame 31 and lower frame
32 connections.The structure diagram that another surrounding receives frame side is illustrated in figure 8, surrounding receives frame side 3 and is additionally arranged brace 34, brace 34
Staggeredly it is welded between adjacent two connecting rod so that the structure that surrounding receives frame side 3 is more firm.
Cross sectional shape for the shaped steel used in montant to be made can be the shape that rectangle or circle etc. are remained silent, preferably square
Shape.The size of the above-mentioned cross sectional shape for being used to be made shaped steel used in montant with for ring component being made and ring is lacked used in component
Shaped steel cross sectional shape size it is corresponding, so can guarantee that the rigid connection at node.For the type used in surrounding receipts frame side to be made
The section of steel should match with the form in the section of above-mentioned shaped steel, can be rectangular tube, round steel pipe or H profile steel etc., must not make
There was only the shaped steel in one or section without symmetrical main shaft with angle steel, channel steel etc., so also for the rigid connection at guarantee node.
The double-deck dislocation truss of the present invention can be made of Q235 or Q345 steel, but if from the economic viewpoint, also may be used
High strength steel need not be used.The rise-span ratio of bilayer dislocation truss is not less than 1/20, is preferably controlled between 1/18~1/10.Circle
The thickness of ring element 4 and the ratio of diameter should be controlled between 1/12~1/15.Each component of the double-deck dislocation truss of the present embodiment
Connection mode for welding.
Between the component of upper strata rigid mount and lower floor's rigid mount can effective rigid connection, be the key whether truss is set up.
For the component made of round steel pipe, the diameter of each component should approach, and the diameter difference of each component not should be greater than 10%, structure
Welding between part mutually passes through weldering using full penetration, and the floor of its coupling stiffness is needed plus strengthened inside round steel pipe.For with square
Component made of shape pipe, the size of each component should be mutually matched, i.e., the edge of a wing between component should with the edge of a wing, the edge of a wing and web
Alignment, the welding between the edge of a wing of component, web mutually pass through weldering using full penetration, need to add its coupling stiffness of enhancing inside rectangular tube
Floor, the welding of floor can use angle welding, but weld bead height cannot be less than 1.2 times of relatively thin wall thickness between linked member.
The double-deck dislocation truss of the present invention breaks through the steel constructions such as traditional truss, rack, reticulated shell, suspended-cable structure and cable-membrane analysis
Roof components arrangement form, using the good Confinement effect of ring component, forms the good plane membrane structure of in-plane stiffness, double-deck
Plane membrane structure forms double-deck dislocation truss by montant, and reasonable stress, meets longspan structure requirement, while has good
Light transmittance, in the stadium that can be applied to have moulding particular/special requirement, terminal, high ferro station, library, museum, exhibitions
The indoor and outdoor longspan structures such as the heart, entrance awning, indoor large bay glass sunlight house.
The construction method of the double-deck dislocation truss of building structure comprises the following steps：
Step 1, sets up for by stent of the double-deck dislocation truss support in corresponding welding position at the construction field (site)；
Step 2, it would be desirable to the whole truss built planned, along its length on be divided into it is double-deck wrong by several
Position truss composition, that is, be divided into multiple installation units, convenience in transport and installation；
Step 3, goes out upper strata rigid mount 2, lower floor's rigid mount 1,5 and of montant of each double-deck dislocation truss in factory process
Surrounding receives frame side 3, and transports all parts to scene；
All parts are spliced into double-deck dislocation truss, and carry out nondestructive inspection inspection to welding junction one by one by step 4
Test, it is ensured that welding junction quality safety is reliable；
Step 5, double-deck dislocation truss will be hung to above stent, bilayer will misplace on stent one by one with lifting equipment
Truss is welded to each other, and forms whole truss, and when installation is needed to truss structure each suspension centre counter-force, vertical displacement, stability and wind
Carry horizontal thrust of lower truss structure etc. to be checked, temperature pier measure should be taken if necessary；
Step 6, stent and lifting equipment are removed, and are first carried out structural checking computation to corresponding each stage operating mode before dismounting, are used
In planning dismounting order, to select rational dismounting order.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (10)
- A kind of 1. double-deck dislocation truss of building structure, it is characterised in that：The truss includes upper strata rigid mount, lower floor's rigidity Frame, montant and surrounding receive frame side, and the upper strata rigid mount is made of the identical multiple ring components of structure against simultaneously rigid connection, lower floor Rigid mount lacks component against simultaneously by the identical multiple ring components of the structure positioned at middle part and multiple rings positioned at outer edge area Rigid connection form, multiple rings lack component include positioned at corner a quarter ring for a quarter ring component lack component with And positioned at a quarter ring lack component between the semicircle ring element for half of ring component, the ring component of upper strata rigid mount and The ring component structure of lower floor's rigid mount is identical, the ring component of upper strata rigid mount and the ring component of lower floor's rigid mount according to Horizontal and vertical regular array, the ring component of upper strata rigid mount and the ring component or ring of lower floor's rigid mount lack component dislocation and set To put, the ring component of upper strata rigid mount and the ring component or ring of lower floor's rigid mount are connected between lacking component by the montant, The junction that the montant lacks component with the ring component or ring is rigid connection, the upper strata rigid mount and lower floor's rigid mount Periphery is received frame side by the surrounding and is connected, and the surrounding receives frame side around the upper strata rigid mount and lower floor's rigid mount.
- 2. the double-deck dislocation truss of building structure according to claim 1, it is characterised in that：The annulus structure of upper strata rigid mount Part lacks the projection of component in the horizontal plane and has in the projection of horizontal plane and the ring component or ring of corresponding lower floor's rigid mount Overlap, form four overlapping regions, and the shape and area all same of four overlapping regions.
- 3. the double-deck dislocation truss of building structure according to claim 2, it is characterised in that：The double-deck dislocation truss by Q235 or Q345 steel is made.
- 4. the double-deck dislocation truss of building structure according to claim 1, it is characterised in that：For the montant institute to be made The cross sectional shape of shaped steel is rectangle or circle.
- 5. the double-deck dislocation truss of building structure according to claim 1, it is characterised in that：The surrounding receives frame side by square Shape pipe, round steel pipe or H profile steel welding group into.
- 6. the double-deck dislocation truss of building structure according to claim 4, it is characterised in that：The double-deck dislocation truss Rise-span ratio is not less than 1/20.
- 7. the double-deck dislocation truss of building structure according to claim 6, it is characterised in that：The double-deck dislocation truss Rise-span ratio is 1/18~1/10.
- 8. the double-deck dislocation truss of building structure according to claim 7, it is characterised in that：The thickness of the ring component Ratio with diameter is 1/12~1/15.
- 9. the construction method of the double-deck dislocation truss of the building structure described in claim 1 to 8 any one, it is characterised in that Comprise the following steps：Step 1, sets up for by the double-deck stent of the truss support in corresponding welding position that misplace at the construction field (site)；Step 2, it would be desirable to the whole truss built planned, along its length on be divided into by double-deck wrong several described Position truss composition；Step 3, goes out upper strata rigid mount, lower floor's rigid mount, montant and the surrounding of each double-deck dislocation truss in factory process Frame side is received, and transports all parts to scene；All parts are spliced into the double-deck dislocation truss, and carry out nondestructive inspection inspection to welding junction one by one by step 4 Test；Step 5, the double-deck dislocation truss will be hung to above the stent, on the bracket will one by one with lifting equipment The double-deck dislocation truss is welded to each other, and forms whole truss；Step 6, the stent and lifting equipment are removed.
- 10. the construction method of the double-deck dislocation truss of building structure according to claim 9, it is characterised in that：Step 6 In, structural checking computation first is carried out to corresponding each stage operating mode before the stent and lifting equipment is removed, for planning dismounting order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711383997.3A CN108035441B (en) | 2017-12-20 | 2017-12-20 | Double-layer staggered truss of building structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711383997.3A CN108035441B (en) | 2017-12-20 | 2017-12-20 | Double-layer staggered truss of building structure and construction method thereof |
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| CN108035441A true CN108035441A (en) | 2018-05-15 |
| CN108035441B CN108035441B (en) | 2023-06-20 |
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| CN201711383997.3A Active CN108035441B (en) | 2017-12-20 | 2017-12-20 | Double-layer staggered truss of building structure and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115749095A (en) * | 2022-09-19 | 2023-03-07 | 中建八局第二建设有限公司 | Roof truss device for high-speed railway station and construction method |
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| JP2002235374A (en) * | 2001-02-08 | 2002-08-23 | Takenaka Komuten Co Ltd | Structure with large span frame |
| CN101440667A (en) * | 2008-07-25 | 2009-05-27 | 中铁四局集团有限公司 | Mounting method for wide span single layer rain shed reticulated shell structure |
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| CN115749095A (en) * | 2022-09-19 | 2023-03-07 | 中建八局第二建设有限公司 | Roof truss device for high-speed railway station and construction method |
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| CN108035441B (en) | 2023-06-20 |
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