CN201128956Y - Assembled integral flat-plate or curve type vierendeel steel lattice structure - Google Patents
Assembled integral flat-plate or curve type vierendeel steel lattice structure Download PDFInfo
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- CN201128956Y CN201128956Y CNU2007202011114U CN200720201111U CN201128956Y CN 201128956 Y CN201128956 Y CN 201128956Y CN U2007202011114 U CNU2007202011114 U CN U2007202011114U CN 200720201111 U CN200720201111 U CN 200720201111U CN 201128956 Y CN201128956 Y CN 201128956Y
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Abstract
The utility model relates to an integrative assembling steel mesh that is shaped like a flat or a curved surface, and is provided with a hollow cavity. In the technical proposal, two ends of a cylindrical steel pipe are provided with a welded bearing plate; the surface of the bearing plate and the wall of the cylindrical steel pipe are used as welding points; 8 chords with a T-shaped cross section are respectively welded at the two ends of the cylindrical steel pipe to form a double-layer cross-like splicing unit; on the construction site, a double-splicing plate and a high-strength bolt are used for connecting chords of two or more than two cross-like splicing units; thus the mesh structure that is shaped like a flat or a curved surface can be assembled. The mesh structure has a light and solid structure; the welding process can be completed in a factory so as to improve the accuracy and quality of production; the mesh adopts hollow-cavity beams but no diagonal members; thus water pipes and conduits can conveniently pass through the mesh; and the mesh has a regular structure, so the mesh structure can be used as a ceiling of floor or a roof.
Description
Technical field:
The utility model relates to a kind of steel lattice structure for building, particularly a kind of assembly of integral flat-plate type or hood face section steel hollow lattice construction and preparation method.
Background technology:
At present, the existing domestic and international huge pillar net (superstructure of high-rise building steel structure of 9m～12m), except steel-frame beam, still need and in the post net, add middle girder steel, cross or groined type girder steel, middle girder steel, cross or groined type girder steel generally adopt H shaped steel, as the post net is the office occupancy in the flexible division room of 12m * 12m, steel frame i shaped cross section deck-molding 800 (L/15) intermediate wells glyph grid beam (grid 4000 * 4000) depth of section 6700 (L/20), cast-in-place (the armored concrete slab of 100mm～120mm) in 4m grid beams top flange, superstructure gross thickness 750 (Vierendeel girder exposes 50) behind the furred ceiling in the post net, such practice increases superstructure thickness, steel using amount is also big, causes adding the edifice floor height.For example general huge pillar net is separated the office premises of multifunctional application flexibly, floor height 3.3m～3.4m, and then clear height is 2.55m～2.65m behind the furred ceiling, and clear height is short partially, and must strengthen floor height is 3.55m～3.6m.The comprehensive cost of building and the influence of construction level High variation are very big, and the height that reduces superstructure is the main means that reduce floor height.If adopt H shaped steel orthogonal spatial ribbed grid-like structure, as adopting 1.5m * 1.5m grid (8 * 8 lattice) in 12m * 12m post net, the armored concrete slab that upper berth 50～60 is thick, H shaped steel grid beams height h=350 this moment (L/34.3) adds the concrete thickness of slab, then the floor structure gross thickness is δ=350+50=400mm, than the former 350mm that descends, guaranteeing office premises headway h
0Under=2.8m～2.85m condition, floor height only needs 3.2m～3.25m, and (the decline 0.1m～0.15m of 3.3m～3.4m), than the former every layer of decline 0.35m, promptly per 10 layers can increase one deck more than conventional floor height.But H shaped steel waffle slab comprehensive cost increases though save the floor height steel using amount than the comprehensive cost height (10%～15%) of middle rood beam of huge pillar net steel frame or middle nine-squares beam structure, and it is as follows to sum up its weak point: one, steel using amount are bigger than normal relatively; Two, building cover structure inside leak water, conduit inconvenience; Three, grid is more, and the solder joint of welding connection node is many, as 12m * 12m waffle slab, during grid 1.5m * 1.5m, this waffle slab has 81 crossover nodes, i.e. 1944 weld seams, not only welding job amount at the scene is big, and since the influence of welding deformation, the also difficult control of quality.
Summary of the invention:
The purpose of this utility model is: provide a kind of structure light and handy, install easily, the field Welding amount is few, make higher assembly of integral flat-plate type or the hood face section steel hollow lattice construction of precision, to overcome the deficiencies in the prior art.
The technical solution of the utility model: assembly of integral flat-plate type or hood face section steel hollow lattice construction are to be interconnected to constitute by two or more double-layer cross shape assembly units unit 1; Double-layer cross shape assembly unit unit 1 is made up of chord member 2, cylindrical steel 3 and supporting plate, respectively be welded with a supporting plate 4 at the two ends of cylindrical steel 3, the chord member 2 that all to be connected with 4 cross sectional shapes on every block of supporting plate 4 be the T font is connected 4 chord members 2 on every block of supporting plate 4 and is cross and arranges; And the connection of per two double-layer cross shape assembly unit unit 1 is that the chord member 2 by Two bors d's oeuveres fishplate bar 6 and two double-layer cross shape assembly unit unit 1 links into an integrated entity with high-strength bolt 7 behind the overlap joint mutually again.
Cross sectional shape is that the top flange of the chord member 2 of T font is a triangle, and the top flange of per four chord members 2 is butt-welded in, and weld seam is cross on the supporting plate 4 of cylindrical steel 3 one ends, the web of chord member 2 is welded on the sidewall of cylindrical steel 3, and per 4 chord members 2 that are connected on the cylindrical steel 3 are crossing distribution.
Described cylindrical steel 3 is round steel pipe or rectangular steel tube.
Described cross sectional shape is that the chord member 2 of T font is with making after section bar or the steel plate welding.
The length a of each double-layer cross shape assembly unit unit 1 is 1.5～2m.
Compared with the prior art, the utility model is a kind of steel spatial mesh structure of inner no diagonal web member, when utilizing network of the present utility model to make superstructure, on chord member, weld pin, make concrete and the acting in conjunction of steel upper chord, can improve the rigidity of network, if make net surfaces shell roof system, after steel Eurya plant bar is set, can lay light roofing materialss such as color-steel composite board, also can make point supported glass daylighting curved surface roof system or cast-in-situ steel reinforced concrete thin plate thereon, form the surface net shell structure.Structure composition of the present utility model and aufbauprinciple and the steel concrete open-spandrel sandwich board and the shell that are successfully applied to engineering practice have the effect of " different Qu Tonggong ", difference and relative superiority are mainly reflected in following several respects: one, structure of the present utility model are made up of the steel member, the elastic modulus E of steel
sBe 6～7 times of modulus of elasticity of concrete, structure height is little, can do lightlyer; Two, basic concatenation unit of the present utility model is the double-layer cross shape unit that makes in factory process, its assembling mode connects with high-strength bolt after the chord member employing Two bors d's oeuveres fishplate bar of double-layer cross shape unit overlaps in twos, the junction of cause two double-layer cross shape unit is the inflection point (moment of flexure equals zero point) of double-layer cross shape unit, it is good to connect the back structural integrity, safe and reasonable; Be assembly unit of the present utility model unit three, because of double-layer cross shape unit, it is to adopt high-strength bolt to connect at produce in factory, after transporting to the building site at the inflection point place, welding deformation and welding stress had both been eliminated, avoided a large amount of weld seams to weld the influence of many unfavorable factors of being brought at the scene again, architecture quality also can guarantee, and improve work efficiency.
Structural system of the present utility model, the huge pillar net is many except that can be applicable to, the high building steel work superstructure, still its aufbauprinciple can be applied to surface net shell structure positive and negative, zero Gaussian curvature.Because of double-layer cross shape of the present utility model unit at produce in factory, transport to behind the building site again after inflection point place (chord member tie point in twos) adopts high-strength bolt to connect, the novel hollow sandwich network of space monolithic that forms, this structure also has following different aspect with general steel screen structure: the first, grid is intersected by laced beam and forms, no diagonal web member can be conveniently from middle on an empty stomach water, the conduit worn of grid; The second, the assembly unit node is not on cylindrical steel but at the position (being the inflection point place of upper and lower chord member) that chord member in twos adopts the Two bors d's oeuveres fishplate bar to be connected with the friction-type high-strength bolt, connect more reliable.Three, the utility model simple structure is made processing and assembling need not specific process equipment; Four, structure height can descend 1/3, because of no diagonal web member, and the clean and tidy no messy sense of grid moulding, indoor grid moulding is neatly generous.Therefore the utlity model has excellent popularization and using value.
Description of drawings:
Fig. 1 the utility model is plate hollow sandwich steel lattice schematic diagram;
Fig. 2 the utility model is a curved face type hollow sandwich steel lattice schematic diagram;
Fig. 3 is the diagrammatic sectional view of Fig. 1; Wherein to represent inflection point be splice point to the circle at a/2 place;
Fig. 4 is the diagrammatic sectional view of Fig. 2; Wherein to represent inflection point be splice point to the circle at a/2 place;
Fig. 5 is the structural representation that upper and lower chord member adopts Two bors d's oeuveres fishplate bar 6 and high-strength bolt 7 splicings;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is that the B-B of Fig. 9 is to view;
Fig. 8 is the schematic perspective view of double-layer cross shape concatenation unit 1;
Fig. 9 is double-layer cross shape concatenation unit 1 sectional side view;
Figure 10 is the vertical view of Fig. 9.
The specific embodiment:
Embodiment of the present utility model: double-layer cross shape of the present utility model unit 1 as shown in Figure 8, double-layer cross shape unit 1 is the rigidity weldment, it is to be that a supporting plate 4 is respectively welded at the two ends of square or circular column steel pipe 1 at cross sectional shape, on every block of supporting plate 4, weld 4 chord members 2 that cross sectional shape is the T font again, the top flange of 4 chord members 2 is processed into triangle, after piecing together, be welded on the supporting plate 4, being welded on 4 chord members on the supporting plate 4 is cross and arranges (as shown in figure 10), and the weld seam of joint is milled flat, again at cover plate 5 of the upper end of 4 chord member docking sites welding; The web of chord member 2 is welded in (as shown in Figure 9) on the cylindrical steel 3; And from Fig. 9, can obviously find out (on an empty stomach) at regular intervals between the chord member 2 that is connected cylindrical steel 3 two ends, can make things convenient for so therefrom to penetrate water, conduit.Double-layer cross concatenation unit 1 is all made in the workshop, can guarantee crudy like this, and double-layer cross shape unit 1 length a is preferably 1.5～2m.After double-layer cross assembly unit unit 1 transports the building site to, its connected mode such as Fig. 5, Fig. 6 and shown in Figure 7, the last lower chord 2 alignment backs of two double-layer cross shape assembly unit unit 1 are overlapped with Two bors d's oeuveres fishplate bar 6, and boring on the good Two bors d's oeuveres fishplate bar 6 of overlap joint and chord member 2, penetrate high-strength bolt 7 and be connected, above-mentioned being connected after the job site finishes connection promptly forms waffle slab described in the utility model and grid shell.Waffle slab if do superstructure or roof system thereon string establish " pin " or " the S reinforcing bar " 8 that shearing resistance is used, pour into a mould one deck 50～70 thick steel bar concrete thin plates 9 again, promptly form by " steel one concrete cooperating type combined hollow sandwich slab ".The steel bar concrete thin plate is as the part of dead load during Intensity Design, do not consider its intensity contribution, but during rigidity Design, the conversion of concrete cross section can be calculated rigidity behind the steel cross section, and promptly concrete is participated in the rigidity of structure and calculated, and increases substantially the rigidity of the big plate of grid.Steel one concrete cooperating type combined hollow sandwich slab is made superstructure, and it makes superstructure than general steel one concrete composite space truss, and following advantage is arranged:
1. the comparable existing space truss structure height drop by half of structure height of the present utility model;
2. the utility model does not have diagonal web member, forms groined type grid on an empty stomach, and uniform have furred ceiling appearance U.S..
3. assembly unit of the present utility model unit welds the assembly unit manufacturing in factory, on-the-spot bolt assembly unit, and quality is more reliable.
Claims (5)
1. assembly of integral flat-plate type or hood face section steel hollow lattice construction, it is characterized in that: it is interconnected to constitute by two or more double-layer cross shape assembly unit unit (1); Double-layer cross shape assembly unit unit (1) is made up of chord member (2), cylindrical steel (3) and supporting plate (4), respectively be welded with a supporting plate (4) at the two ends of cylindrical steel (3), the chord member (2) that all to be connected with 4 cross sectional shapes on every block of supporting plate (4) be the T font is connected 4 chord members (2) on every block of supporting plate (4) and is cross and arranges; And per two double-layer cross shape assembly unit unit (1), connection be to use high-strength bolt (7) to link into an integrated entity again behind the overlap joint mutually by the chord member (2) of Two bors d's oeuveres fishplate bar (6) and two double-layer cross shape assembly unit unit (1).
2. assembly of integral flat-plate type according to claim 1 or hood face section steel hollow lattice construction, it is characterized in that: cross sectional shape is that the top flange of the chord member (2) of T font is a triangle, and the top flange of per four chord members (2) is butt-welded on the supporting plate (4) of cylindrical steel (3) one ends, the web of chord member (2) is welded on the cylindrical steel (3), and 4 chord members (2) that are connected on the cylindrical steel (3) are crossing distribution.
3. assembly of integral flat-plate type according to claim 1 or hood face section steel hollow lattice construction is characterized in that: described cylindrical steel (3) is round steel pipe or rectangular steel tube.
4. assembly of integral flat-plate type according to claim 1 or hood face section steel hollow lattice construction is characterized in that: described cross sectional shape is that the chord member (2) of T font is with making after section bar or the steel plate welding.
5. assembly of integral flat-plate type according to claim 1 or hood face section steel hollow lattice construction is characterized in that: the length (a) of each double-layer cross shape assembly unit unit (1) is 1.5～2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202011114U CN201128956Y (en) | 2007-09-30 | 2007-09-30 | Assembled integral flat-plate or curve type vierendeel steel lattice structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007202011114U CN201128956Y (en) | 2007-09-30 | 2007-09-30 | Assembled integral flat-plate or curve type vierendeel steel lattice structure |
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| CN201128956Y true CN201128956Y (en) | 2008-10-08 |
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| CNU2007202011114U Expired - Fee Related CN201128956Y (en) | 2007-09-30 | 2007-09-30 | Assembled integral flat-plate or curve type vierendeel steel lattice structure |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400558A (en) * | 2010-09-13 | 2012-04-04 | 五冶集团上海有限公司 | Method for mounting process steel platform steel columns in project of mounting benzene hydrogenation steel structure |
| CN102635163A (en) * | 2012-05-11 | 2012-08-15 | 唐山建华工程质量检测有限公司 | Assembled monolithic multilayer long-span bidirectional multi-span building with space steel grid box-type structures |
| CN102704569A (en) * | 2012-05-25 | 2012-10-03 | 湖南大学 | Multilayer large-span assembling integral type space steel grid building structure and manufacturing method |
| CN102888934A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Shearing force prefabricated component for assembled-type hollow grid plate floor system structure |
| CN102888935A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Shearing force prefabricated component for assembled-type hollow grid plate floor system structure |
| CN102888932A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Assembled type hollow grid plate floor system |
| CN102888930A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Assembled type hollow grid plate floor system |
| CN102888928A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Assembled type hollow grid plate floor system |
| CN102888936A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Shearing force prefabricated component for assembled-type hollow grid plate floor system structure |
| CN103276798A (en) * | 2013-06-08 | 2013-09-04 | 北京工业大学 | Hollow irregular column high-rise assembling steel frame-prestress eccentric support system |
| CN103410217B (en) * | 2013-05-29 | 2015-10-14 | 北京工业大学 | A kind of assembling many Tall Steels shaped pile frame-prestressing force eccentrical braces |
| CN105113688A (en) * | 2015-07-27 | 2015-12-02 | 天津市金万方钢结构有限公司 | Rectangular hexagon and rhombus longitudinal-crossing honeycomb mesh floor structure and manufacturing method thereof |
| CN107630509A (en) * | 2017-09-21 | 2018-01-26 | 湖南金海钢结构股份有限公司 | A kind of compound orthogonal-diagonal lattice space steel lattice boxlike tube-in-tube structure of assembled |
| CN111021542A (en) * | 2019-12-17 | 2020-04-17 | 东南大学 | Hybrid large-span hollow sandwich plate column structure |
| CN111305441A (en) * | 2020-02-28 | 2020-06-19 | 青岛理工大学 | Energy-dissipating vibration-reducing hollow composite floor system |
-
2007
- 2007-09-30 CN CNU2007202011114U patent/CN201128956Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400558A (en) * | 2010-09-13 | 2012-04-04 | 五冶集团上海有限公司 | Method for mounting process steel platform steel columns in project of mounting benzene hydrogenation steel structure |
| CN102400558B (en) * | 2010-09-13 | 2016-01-27 | 五冶集团上海有限公司 | Process steel platform steel columns in project of mounting benzene hydrogenation steel structure mounting method |
| CN102888936A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Shearing force prefabricated component for assembled-type hollow grid plate floor system structure |
| CN102888935A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Shearing force prefabricated component for assembled-type hollow grid plate floor system structure |
| CN102888932A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Assembled type hollow grid plate floor system |
| CN102888930A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Assembled type hollow grid plate floor system |
| CN102888928A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Assembled type hollow grid plate floor system |
| CN102888934A (en) * | 2011-07-18 | 2013-01-23 | 湖南邱则有专利战略策划有限公司 | Shearing force prefabricated component for assembled-type hollow grid plate floor system structure |
| CN102635163A (en) * | 2012-05-11 | 2012-08-15 | 唐山建华工程质量检测有限公司 | Assembled monolithic multilayer long-span bidirectional multi-span building with space steel grid box-type structures |
| CN102635163B (en) * | 2012-05-11 | 2014-05-21 | 唐山建华工程质量检测有限公司 | Assembled monolithic multilayer long-span bidirectional multi-span building with space steel grid box-type structures |
| CN102704569A (en) * | 2012-05-25 | 2012-10-03 | 湖南大学 | Multilayer large-span assembling integral type space steel grid building structure and manufacturing method |
| CN103410217B (en) * | 2013-05-29 | 2015-10-14 | 北京工业大学 | A kind of assembling many Tall Steels shaped pile frame-prestressing force eccentrical braces |
| CN103276798A (en) * | 2013-06-08 | 2013-09-04 | 北京工业大学 | Hollow irregular column high-rise assembling steel frame-prestress eccentric support system |
| CN103276798B (en) * | 2013-06-08 | 2016-01-13 | 北京工业大学 | A kind of hollow irregular column high-rise assembled steel framework-prestressing force eccentrical braces |
| CN105113688A (en) * | 2015-07-27 | 2015-12-02 | 天津市金万方钢结构有限公司 | Rectangular hexagon and rhombus longitudinal-crossing honeycomb mesh floor structure and manufacturing method thereof |
| CN107630509A (en) * | 2017-09-21 | 2018-01-26 | 湖南金海钢结构股份有限公司 | A kind of compound orthogonal-diagonal lattice space steel lattice boxlike tube-in-tube structure of assembled |
| CN111021542A (en) * | 2019-12-17 | 2020-04-17 | 东南大学 | Hybrid large-span hollow sandwich plate column structure |
| CN111305441A (en) * | 2020-02-28 | 2020-06-19 | 青岛理工大学 | Energy-dissipating vibration-reducing hollow composite floor system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20100930 |