CN104775521B - Assembled integral type orthogonal-diagonal mixed type steel grid box type structure - Google Patents

Assembled integral type orthogonal-diagonal mixed type steel grid box type structure Download PDF

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Publication number
CN104775521B
CN104775521B CN201510186387.9A CN201510186387A CN104775521B CN 104775521 B CN104775521 B CN 104775521B CN 201510186387 A CN201510186387 A CN 201510186387A CN 104775521 B CN104775521 B CN 104775521B
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type
chord
support
connect
transition
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CN104775521A (en
Inventor
马克俭
田啟良
吴刚
唐敦洲
陈志鹏
吴聚龙
肖建春
白志强
张华刚
魏艳辉
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Built in Wuzhou Engineering Equipment Co. Ltd.
Southeast University
Guizhou University
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NANJING CHINA CONSTRUCTION CHEMICAL EQUIPMENT MANUFACTURING Co Ltd
Southeast University
Guizhou University
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Priority to CN201510186387.9A priority Critical patent/CN104775521B/en
Publication of CN104775521A publication Critical patent/CN104775521A/en
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Abstract

The invention provides an assembled integral type orthogonal-diagonal mixed type steel grid box type structure which comprises a rectangular grid type floor and a grid type wall frame, wherein the grid type wall frame comprises supporting columns, top T-shaped connecting rods, intermediate connecting pieces and cylindrical supporting sleeves which are fixedly arranged at the tops of the corresponding supporting columns in a sleeving manner; the grid type floor is formed by orthogonal-diagonal mixed placement of supporting connection double-cross units, transitional connection double-cross units and general connection double-cross units; the supporting connection double-cross units and the transitional connection double-cross units are distributed on the middle edges of the peripheral edge of the grid type floor. According to the grid box type structure, an all hollow bellied structure can be formed inside the grid type floor; meanwhile, the grid type floor is enabled to be high in structural strength and not easy to deform, meets the structure requirement of larger span and has a better marker application prospect.

Description

A kind of assembled integral orthogonal-diagonal lattice mixed type steel lattice box structure
Technical field
The present invention relates to a kind of steel lattice box structure, especially a kind of steel lattice boxlike of assembled integral orthogonal-diagonal lattice Structure.
Background technology
Single span multilamellar (2 layers~4 layers) large span (l >=24m) structure, by " seismic design provision in building code " (gb50011- 2010) require " single span steel-frame structure should not be adopted ", it main reason is that single span multilamellar steel-frame structure anti-side rigidity relatively Little.In order to increase substantially the public anti-side rigidity with industrial building structure system of single span multilayer large-span, development person obtains Or just declare several " assembled integral space steel lattice box structure " new structural systen, such as patent (zl201210144537.6) application number (20130262408.8) and (201420287211.3) etc., and respectively in architectural engineering Middle application.By engineering practice it was demonstrated that it has reached the requirement of " safe, reasonable, advanced, economic ", but work as span ly > 24m Afterwards, steel empty stomach grid periphery entirety hogging moment is very big, makees the sky of upper and lower string in this region without t shaped steel by the method for former patent Abdomen fine strain of millet and adopt I-shaped cross-section reality abdomen girder steel, local bending moment larger part at the upper and lower chord member of periphery grid empty stomach fine strain of millet t shaped steel, When upper and lower string t shape steel web has press-bending flexing to occur, only increase web thickness also very unreasonable.
Content of the invention
The technical problem to be solved in the present invention be existing grid box structure when span is larger, bear curved at perimeter support Square is larger, and the real abdomen steel I-beam of employing can reduce the empty stomach performance of superstructure.
In order to solve above-mentioned technical problem, the invention provides a kind of assembled integral orthogonal-diagonal lattice mixed type steel lattice box Formula structure, the waffle floor including rectangle and grid type wall stand;Grid type wall stand include support column, top t type connecting rod, Middle brace rod and the fixing columnar support set being set in support column top;Support column is along the surrounding of waffle floor Edge equidistantly distributed;Top t type connecting rod is fixedly connected between two neighboring support set;Middle brace rod level is fixedly connected Between supporting at adjacent two;Support column and middle brace rod collectively form grid structure;Waffle floor is by supporting connection Diesis unit, transition connect diesis unit and the general diesis unit hybrid orthogonal that connects tiltedly puts composition;Support and connect Diesis unit is supported connection chord member and two t types to support connection chord members to constitute upper and lower two ten word cells by six roots of sensation H type, and two Root t type supports connection chord member to be located in upper and lower two ten word cells respectively, and vertical in the center of upper and lower two ten word cells It is provided with one and supports and connect shear connector, upper and lower two t types support the position connecting chord member to correspond to up and down;Transition connects diesis list Unit is connected chord members by four H type transition and four t type transition connect chord members and constitute upper and lower two ten word cells, and same ten Two H type transition in word cell connect chord member and intersect vertically, and four H type transition in upper and lower two ten word cells connect chord member Position corresponds to up and down, and is vertically provided with a transition connection shear connector in the center of upper and lower two ten word cells;General connection Diesis unit is typically connected chord member and constitutes upper and lower two ten word cells by eight t types, and in upper and lower two ten word cells Vertically it is provided with a general connection shear connector at the heart;The support on four support column tops at four drift angles of waffle floor Put the t type drift angle connecting rod being equipped with two sensing waffle floor centers;Support at the non-drift angle of waffle floor The support set of column top is provided with two pairs of fixed connecting rods, and two fixed connecting rods of each pair are orthogonal;T type drift angle connecting rod Typically connect with t type that chord member is relative to be connect;Fixed connecting rod is connected chord member with H type support, H type transition connects chord member or t type is general Connect chord member relatively to connect;Support and connect diesis unit and transition connection diesis cell distribution in waffle floor edge Middle edge at.
Supported using the middle distribution stronger in waffle floor edge stress and connect diesis unit and transition Connect diesis unit, by the use of H type steel as the top-bottom chord of diesis unit, can not only avoid using existing real abdomen steel I-beam replaces the structure of upper and lower two chord members, makes waffle floor be internally formed full cancelled structure, simultaneously also it can be avoided that making With existing t shaped steel, web deformation occurs when bearing stronger rigidity power, so that waffle floor structural strength height is unlikely to deform, It is adapted to the structural requirement compared with large span;Diesis unit is connected using support, transition connects diesis unit and typically connects Connect diesis unit hybrid orthogonal and tiltedly put composition rectangle superstructure, so that load is uniformly transferred along 45 ° of two vertical direction of angle, both saved About steel use costs, in turn ensure that superstructure is internal complete on an empty stomach and unimpeded everywhere;Support column is set in using support set fixation Top, it is possible to increase structural strength at the strong stress strong point for the support column;Using on support set arrange fixed connecting rod, by It is cylindrical shape in support set, docks for camber line mouth between support set and fixed connecting rod, increase the length of built-in edge, improve The fixing intensity of fixed connecting rod;It is fixedly connected between two neighboring support set using top t type connecting rod, can be effective Improve structural strength and the stability of grid type wall stand.
Scheme as a further improvement on the present invention, support connection shear connector is vertically provided with and is supported on upper and lower two H types Support the support connection gussets connecting between chord member.Connect string using supporting connection gussets can effectively improve two H types and support The structural strength of bar.
Scheme as a further improvement on the present invention, transition connection shear connector is vertically provided with and is supported on upper and lower two H types Transition connects chord member or two t type transition connect the transition connection bearing rib between chord member.Bearing rib is connected using transition Two H type transition can be effectively improved and connect chord member or the structural strength of two t type transition connection chord members.
Scheme as a further improvement on the present invention, general connection shear connector is vertically provided with and is supported on upper and lower two t types The general general connection bearing rib connecting between chord member.Two t types one can be effectively improved using the general bearing rib that connects As connect chord member structural strength.
Scheme as a further improvement on the present invention, fixed connecting rod, H type support and connect chord member, H type transition connection string Bar, t type transition connect chord member and t type and typically connect and be equipped with the groove being easy to weld on the wing plate of chord member external part.Using Groove can not only conveniently weld, and can improve weld strength.
As the further limits scheme of the present invention, the bevel angle of groove is 20 °~35 °, the root face width at groove Spend for 2mm~4mm.Using the root face width of 20 °~35 ° of bevels angle and 2mm~4mm, welding edge can either be ensured The structural strength of edge, can have higher weld strength again.
Scheme as a further improvement on the present invention, fixed connecting rod, H type support and connect chord member, H type transition connection string Bar, t type transition connect chord member and t type and typically connect and be equipped with array through hole on the web of chord member external part.Using array Formula through hole can conveniently be docked to each chord member by connecting plate, further increases the docking intensity of chord member.
Scheme as a further improvement on the present invention, support connect diesis unit, transition connect diesis unit and The general chord member top surface connecting upper ten word cells in diesis unit is all fixed with the pin of protrusion.Can be facilitated using pin Concrete layer is fixed on the top of upper ten word cells.
As the further limits scheme of the present invention, support and connect shear connector, transition connection shear connector and general connection Bearing rib is square steel tube.Shearing can be met from four direction as shear connector using square steel tube and support demand.
The beneficial effects of the present invention is: (1) is using the middle distribution stronger in waffle floor edge stress Support and connect diesis unit and transition connection diesis unit, by the use of H type steel as the top-bottom chord of diesis unit, not only It can be avoided that replace the structure of upper and lower two chord members using existing real abdomen steel I-beam, waffle floor is made to be internally formed full sky Fu jie structure, simultaneously also it can be avoided that web deformation when bearing stronger rigidity power using existing t shaped steel, makes grid type Building cover structure high strength and deformation, is adapted to the structural requirement compared with large span;(2) diesis unit, mistake are connected using support Cross connection diesis unit and the general diesis unit hybrid orthogonal that connects tiltedly puts composition rectangle superstructure, make load along angle 45 ° of two vertical direction uniformly transfer, and have both saved steel use cost, in turn ensure that superstructure is internal complete on an empty stomach and smooth everywhere Logical;(3) support column top is set in using support set fixation, it is possible to increase structure at the strong stress strong point for the support column is strong Degree;(4) fixed connecting rod is set using on support set, because support set is cylindrical shape, between support set and fixed connecting rod For the docking of camber line mouth, increase the length of built-in edge, improve the fixing intensity of fixed connecting rod;(5) adopt top t type even Extension bar is fixedly connected on the structural strength that can effectively improve grid type wall stand between two neighboring support set and stability.
Brief description
Fig. 1 is the superstructure top overall structure diagram of the present invention;
Fig. 2 is the box structure lateral plan of the present invention;
Fig. 3 is the diesis unit docking structure schematic diagram of the present invention;
Fig. 4 is the general connection diesis cellular construction schematic diagram of the present invention;
Fig. 5 is the diesis unit docking location structural representation of the present invention.
Specific embodiment
As Figure 1-4, the assembled integral orthogonal-diagonal lattice mixed type steel lattice box structure of the present invention includes: rectangle Waffle floor and grid type wall stand.
Wherein, grid type wall stand includes support column 1, top t type connecting rod 2, middle brace rod 3 and fixation and is set in The columnar support set 7 at dagger 1 top.Support column 1 is along the edge equidistantly distributed of waffle floor;Top t type is even Extension bar 2 is fixedly connected between two neighboring support set 7;Middle brace rod 3 level be fixedly connected on adjacent two support 1 it Between;Support column 1 and middle brace rod 3 collectively form grid type wall stand structure.
Waffle floor by support connect diesis unit 4, transition connect diesis unit 5 and typically connect diesis Unit 6 hybrid orthogonal tiltedly puts composition, makes the network of the overall orthogonal-diagonal lattice at 45 ° of waffle floor.Support and connect diesis Unit 4 is supported connection chord member 9 and two t types to support connection chord members to constitute upper and lower two ten word cells by six roots of sensation H type, and two t Type supports and connects chord member respectively in upper and lower two ten word cells, and is vertically provided with the center of upper and lower two ten word cells One supports connection shear connector 10, and upper and lower two t types support the position connecting chord member to correspond to up and down;Transition connects diesis unit 5 are connected chord members 18 and are constituted upper and lower two ten word cells by four H type transition connection chord members 17 and four t type transition, and same Two H type transition in individual ten word cells connect chord member 17 and intersect vertically, and four H type transition in upper and lower two ten word cells are even Connect chord member 17 position to correspond to up and down, and be vertically provided with a transition in the center of upper and lower two ten word cells and connect shear connector 19;General connect diesis unit 6 and typically connected chord member 22 by eight t types constitute upper and lower two ten word cells, and upper and lower two The center of individual ten word cells is vertically provided with a general connection shear connector 23.
Two sensing nets are equipped with the support set 7 on four support column 1 tops at four drift angles of waffle floor The t type drift angle connecting rod at form superstructure center;Set on the support set 7 at support column 1 top at the non-drift angle of waffle floor There are two pairs of fixed connecting rods 8, and two fixed connecting rods 8 of each pair are orthogonal;T type drift angle connecting rod is typically connected string with t type Bar 22 connects relatively;Fixed connecting rod 8 is connected chord member 9 with H type support, H type transition connects chord member 17 or t type typically connects chord member 22 Relatively connect;Rigidity power due to being subject at the middle edge of waffle floor edge is stronger, and is located at waffle floor Rigidity power at four drift angles is less, so connecting diesis unit 4 and transition connection diesis unit 5 distributing installation by supporting At the middle edge of waffle floor edge.Use H type steel as at heavy line in the grid of Fig. 1, that is, adopt and prop up Support connects diesis unit 4 and is docked, and connects the relative mistake connecing of diesis unit 6 in the setting of the top of heavy line with general Cross connection diesis unit 5.
Supporting to connect, the support being supported between upper and lower two H types support connection chord member 9 is vertically provided with shear connector 10 Connection gussets 11;Connect vertically to be provided with shear connector 19 in transition and be supported on upper and lower two H type transition connection chord member 17 or two t The transition that type transition connects between chord member 18 connects bearing rib 20;General connection shear connector 23 is vertically provided with and is supported on Lower two t types typically connect the general connection bearing rib 24 between chord member 22.
Fixed connecting rod 8, H type support connect chord member 9, H type transition connect chord member 17, t type transition connect chord member 18 with And t type typically connects and is equipped with array through hole 14 on the web of chord member 22 external part;Connect diesis unit 4, mistake supporting Cross connection diesis unit 5 and the general chord member top surface connecting upper ten word cells in diesis unit 6 is all fixed with protrusion Pin 15, the top that concrete layer 16 is fixed on each diesis unit can be facilitated;Support and connect shear connector 10, transition Connect shear connector 19 and the general bearing rib 24 that connects is square steel tube.
As shown in figure 5, supporting and connect chord member 9, H type transition connection chord member 17, t type transition even in fixed connecting rod 8, H type Connect chord member 18 and t type typically connects and is equipped with the groove 21 being easy to weld on the wing plate of chord member 22 external part;The slope of groove 21 Actinal surface angle is 20 °~35 °, and the root face width at groove 21 is 2mm~4mm.
H type in the present invention supports and connects chord member 9 and H type transition connection chord member 17 using gauge size identical H type steel; Top t type connecting rod 2, t type drift angle connecting rod, t type transition connection chord member 18 and t type typically connect chord member 22 and adopt model chi Very little identical t shaped steel;The model of fixed connecting rod 8 is selected according to the chord member model of docking.H type steel is adopted in the specific implementation It is h300 × 250 × 8 × 12, t shaped steel uses t300 × 250 × 8 × 12, square steel tube uses mouth 280 × 8.
The array that connecting plate 12 is fixedly mounted on web is led to using high-strength bolt 13 when carrying out the docking of each chord member On hole 14, then the method using Site Welding, the groove 21 at each abutting edge is welded.

Claims (9)

1. a kind of assembled integral orthogonal-diagonal lattice mixed type steel lattice box structure it is characterised in that: include rectangle grid type Superstructure and grid type wall stand;Described grid type wall stand includes support column (1), top t type connecting rod (2), middle brace rod (3) And fixation is set in the columnar support set (7) at support column (1) top;Described support column (1) is along the four of waffle floor Circumferential edges equidistantly distributed;Described top t type connecting rod (2) is fixedly connected between two neighboring support set (7);Described centre Connecting rod (3) level is fixedly connected between adjacent two support columns (1);Described support column (1) is common with middle brace rod (3) Constitute grid structure;Described waffle floor by support connect diesis unit (4), transition connect diesis unit (5) with And general diesis unit (6) hybrid orthogonal that connects tiltedly puts composition;Described support connects diesis unit (4) and is propped up by six roots of sensation H type Support connects chord member (9) and two t types support and connect chord member upper and lower two ten word cells of composition, and two t types support and connect chord member Being located in upper and lower two ten word cells respectively, and be vertically provided with one in the center of upper and lower two ten word cells supports connection to cut Power key (10), upper and lower two t types support the position connecting chord member to correspond to up and down;Described transition connects diesis unit (5) by four Root H type transition connects chord member (17) and four t type transition connect chord member (18) and constitute upper and lower two ten word cells, and same Two H type transition in ten word cells connect chord member (17) and intersect vertically, and four H type transition in upper and lower two ten word cells are even Connect chord member (17) position to correspond to up and down, and be vertically provided with a transition in the center of upper and lower two ten word cells and connect shear connector (19);Described general connection diesis unit (6) is typically connected chord member (22) and constitutes upper and lower two ten word cells by eight t types, And vertically it is provided with general connection shear connector (23) in the center of upper and lower two ten word cells;Positioned at waffle floor four The t type drift angle at two sensing waffle floor centers is equipped with the support set (7) on four support column (1) tops at drift angle even Extension bar;The support set (7) at support column (1) top at the non-drift angle of waffle floor is provided with two pairs of fixed connecting rods (8), And two fixed connecting rods (8) of each pair are orthogonal;Described t type drift angle connecting rod typically connects with t type that chord member (22) is relative to be connect; Described fixed connecting rod (8) is connected chord member (9) with H type support, H type transition connects chord member (17) or t type typically connects chord member (22) relatively connect;Described support connects diesis unit (4) and transition connects diesis unit (5) and is distributed in waffle floor four At the middle edge of circumferential edges.
2. assembled integral orthogonal-diagonal lattice mixed type steel lattice box structure according to claim 1 it is characterised in that: institute State to support to connect and the support connection being supported between upper and lower two H types support connection chord member (9) is vertically provided with shear connector (10) Gusset (11).
3. assembled integral orthogonal-diagonal lattice mixed type steel lattice box structure according to claim 1 it is characterised in that: institute State vertically to be provided with transition connection shear connector (19) and be supported on upper and lower two H type transition connection chord member (17) or two t type transition The transition connecting between chord member (18) connects bearing rib (20).
4. assembled integral orthogonal-diagonal lattice mixed type steel lattice box structure according to claim 1 it is characterised in that: institute State general connect vertically to be provided with shear connector (23) be supported on upper and lower two t types and typically connect the general connection between chord member (22) Bearing rib (24).
5. the assembled integral orthogonal-diagonal lattice mixed type steel lattice boxlike knot according to any claim in claim 1-4 Structure it is characterised in that: described fixed connecting rod (8), H type support connect chord member (9), H type transition connect chord member (17), t type mistake Cross connect chord member (18) and t type typically connect be equipped with the wing plate of chord member (22) external part be easy to weld groove (21).
6. assembled integral orthogonal-diagonal lattice mixed type steel lattice box structure according to claim 5 it is characterised in that: institute The bevel angle stating groove (21) is 20 °~35 °, and the root face width at groove (21) place is 2mm~4mm.
7. the assembled integral orthogonal-diagonal lattice mixed type steel lattice boxlike knot according to any claim in claim 1-4 Structure it is characterised in that: described fixed connecting rod (8), H type support connect chord member (9), H type transition connect chord member (17), t type mistake Cross connection chord member (18) and t type typically connects and is equipped with array through hole (14) on the web of chord member (22) external part.
8. the assembled integral orthogonal-diagonal lattice mixed type steel lattice boxlike knot according to any claim in claim 1-4 Structure it is characterised in that: described support connects diesis unit (4), transition connects diesis unit (5) and general connects double ten In word cell (6), the chord member top surface of upper ten word cells is all fixed with the pin (15) of protrusion.
9. the assembled integral orthogonal-diagonal lattice mixed type steel lattice boxlike knot according to any claim in claim 1-4 Structure it is characterised in that: described support connect shear connector (10), transition connect shear connector (19) and typically connect bearing rib (24) it is square steel tube.
CN201510186387.9A 2015-04-17 2015-04-17 Assembled integral type orthogonal-diagonal mixed type steel grid box type structure Active CN104775521B (en)

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CN105756380B (en) * 2015-12-16 2018-04-13 贵州建工集团第一建筑工程有限责任公司 A kind of multilayer large-span assembled integral space steel lattice box structure construction of hydropower method
CN106677396B (en) * 2017-01-04 2019-06-21 云南昆钢钢结构股份有限公司 Multilayer large-span assembled mixed type steel lattice box structure and production method
CN106677397B (en) * 2017-01-04 2019-06-21 云南昆钢钢结构股份有限公司 Large span assembled mixing fashioned iron open-spandrel sandwich board superstructure and production method

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CN101397822A (en) * 2007-09-30 2009-04-01 贵州喀斯特钢结构有限公司 Assembly of integral flat-plate type or hood face section steel hollow lattice construction and production method
CN101761164A (en) * 2008-07-09 2010-06-30 王本淼 Long-span floor system for storied building
CN102235055B (en) * 2010-04-26 2013-07-03 湖南大学 Stayed prestressed orthogonal space tube truss steel grid structure and manufacturing method thereof
DE102011000707A1 (en) * 2011-02-14 2012-08-16 Stefan Boettle Roof, in particular gas station roof
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
CN204590248U (en) * 2015-04-17 2015-08-26 南京中建化工设备制造有限公司 A kind of assembled integral orthogonal-diagonal lattice mixed type steel lattice box structure

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Address after: 210034 Nanjing economic and Technological Development Zone, Jiangsu, rural township, No. seven Avenue, No. 88

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