CN103306374A - Multilayer long-span public building and industrial plant assembling integral box type structure and manufacture method - Google Patents
Multilayer long-span public building and industrial plant assembling integral box type structure and manufacture method Download PDFInfo
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- CN103306374A CN103306374A CN2013102624058A CN201310262405A CN103306374A CN 103306374 A CN103306374 A CN 103306374A CN 2013102624058 A CN2013102624058 A CN 2013102624058A CN 201310262405 A CN201310262405 A CN 201310262405A CN 103306374 A CN103306374 A CN 103306374A
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Abstract
The invention discloses a multi-layer long-span public building, an industrial plant assembling integral box type structure and the manufacture method thereof, in advance, a planar type latticed steel open web girder is formed by connecting steel open web girders of all floor systems of all floors, namely all steel open web girders are connected to be latticed orthogonally, then latticed steel open web girders of all the floor systems of all floors are connected with an orthotropic and spatial steel latticed wall shelf, during connection, each open web girder is enabled to form an included angle of 45 degrees with the plane of the orthotropic and spatial steel latticed wall shelf, a planar type latticed steel open web girder which is formed by connecting orthogonally is connected with the orthotropic and spatial steel latticed wall shelf in a way of inclined placement at an angle of 45 degrees, namely an orthotropic inclined placement steel open web beam latticed floor system, and the orthotropic inclined placement steel open web beam latticed floor system is connected with an orthotropic right placement steel latticed wall shelf, namely an orthotropic inclined placement multi-layer spatial steel latticed box type building structure. According to the invention, advantages of low steel dosage and the like are achieved.
Description
Technical field
The present invention relates to a kind of Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure and preparation method, belong to the construction steel structure technical field.
Background technology
Along with the development of economic construction, large span public building and industrial premises are in full flourish in the whole nation, and the floor load 5kn/m such as the light industry manufacturing in public building and the industrial premises, electronics, information
2, the above building of span ly=18m accounts for more than 85% of national public building and industrial construction, by 32 provinces，municipalities and autonomous regions in the whole nation, annually builds 8,000 ten thousand square metres of calculating of industrial premises, the industrial premises such as public building and light industry construction in every year amount reaches 6,800 ten thousand m
2If adopt conventional single-layer lightweight steel construction factory building pattern, comprise traffic greening installation land used (35%), 137838 mu/year of annual industrial premises land occupations, calculated in first three 10 years by reform and opening-up, light steel single-storey factory building land occupation has reached 4,140,000 mu, presses 100,000 yuan of/mu calculating of industrial land, has reached 414,000,000,000 yuan.During " 12 "; still build factory building and public building by such individual layer longspan structure pattern, not only expend substantial contribution, and a large amount of land occupation resource; to reduce on a large scale greenery patches and forest, have a strong impact on " Ecological Civilization Construction " and " recycling economy of environmental protection " state basic policy.The today of " 12 ", the conventional individual layer large span (Lightweight metal plant of ly=18m～30m) is still adopted in all parts of the country, its main cause is: build multilayer (2 layers～5 layers) large span (when the public building of ly=15m～30m) and industrial premises, still adopt conventional frame construction, its steel using amount is excessive, as three layers of span 18m flooring Application standard load 5kN/m
2The time, the non-seismic region steel using amount reaches 122.5 kg/m
2, annual 6800 ten thousand m
28,330,000 tons of construction steels are pressed 10,000 yuan/tons of calculating of unit price (material, artificial, transportation, install), expensive 83,300,000,000 yuan.For addressing these problems, the present inventor once proposed denomination of invention in 2011: " assembled integral Steel Space grid orthogonal spatial box structure ", application number are: 201110437708.5 technical scheme, adopt this scheme, its steel using amount is 85 kg/m
2, than conventional art 37.5 kg/m that descend
2(approximately descending 30%) can reduce approximately 2,500,000 tons of rolled steel dosage every year.Adopt this technology, can build the Long-span Multi-storey Frame degree for the vast cities and towns of China and start a new road, and this technology is carried out engineering practice at some Long-span Multi-storey Frame degree industrial construction.With Scientific Outlook on Development problem analysis, do not have in the world preferably, only have better.Because the length-width-ratio of the plane form of industrial premises its long (being longitudinal length lx), wide (being span ly) is generally: lx/ly=n (n=2,3,4,8), such as ly=18m, n=6, lx=108m then, the present inventor after years of research and found that, (comprise that application number is: the load structure of 201110437708.5 disclosed technical schemes) is mainly striden the direction transmission by short because existing multi storied factory building building cover structure, stressed minimum to (being lx) along factory building length, this just as the steel concrete one-way slabs is stressed, its floor load
qBy the short transmission, it is long to all by structure requirement arrangement of reinforcement.Therefore the superstructure of this single load bearing is not given full play to the stressed characteristic of superstructure space three-dimensional, and the steel using amount of existing these floor framing steel work is still larger, can not satisfy many, fast,, the needs of the actual use of province.
Summary of the invention
The object of the invention is to, provide a kind of steel using amount less and simple in structure, make batch production, construction costs is low, construction is time saving and energy saving, reliable construction quality, structural strength is high, structural stability is good Long-span Multi-storey Frame degree public building and industrial premises are assembled Integral box type structure and preparation method, to overcome the deficiencies in the prior art.
Technical scheme of the present invention is achieved in that the preparation method of a kind of Long-span Multi-storey Frame degree public building of the present invention and industrial premises assembling Integral box type structure is, the method comprises that employing steel laced beam is as building cover structure, and adopt orthogonal spatial formula steel grid wall frame as the support of every floor lid, steel laced beam with each floor superstructure adopts the mode of quadrature to connect into the latticed steel laced beam of planar in advance, being about to every steel laced beam connects into latticed by orthogonal mode, then the latticed steel laced beam of connecting into of each floor superstructure is connected with orthogonal spatial formula steel grid wall frame, make the plane angle at 45 ° of the orthogonal spatial formula steel grid wall frame that every steel laced beam all is connected with it during connection, can make like this obtaining Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure.
The number of plies of above-mentioned public building and Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure is 2～5 layers.
The flat shape of above-mentioned Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure is rectangle, and its longitudinal length lx with the ratio of its span ly is: lx/ly=n, and wherein n is the natural number more than or equal to 2, span ly is 15m～30m.
Above-mentioned when adopting the mode of quadrature to connect into the latticed steel laced beam of planar the steel laced beam of each floor in advance, the square shape that is shaped as same size of its each grid.
When adopting the mode of quadrature to connect into the latticed steel laced beam of planar the steel laced beam of each floor in advance, in factory floor, in advance the steel laced beam is welded into the assembly unit C of cross structure or is welded into the assembly unit B of the intersecting parallels structure with a square net or is welded into the assembly unit A of two horizontal and three perpendicular chiasma type structures with two square nets, and then the assembly unit A, the assembly unit B that make and assembly unit C are transported to the latticed steel laced beam of planar that is assembled into quadrature behind the scene.
The of the present invention a kind of Long-span Multi-storey Frame degree public building that makes up according to said method with industrial premises assembling Integral box type structure is: this structure comprises orthogonal spatial formula steel grid wall frame and the orthogonal-diagonal lattice steel laced beam that is connected the every floor building cover structure of conduct thereon, the steel laced beam of each floor superstructure is mutually orthogonal, and to connect into planar latticed, and the plane included angle of the orthogonal spatial formula steel grid wall frame that every steel laced beam that is connected with orthogonal spatial formula steel grid wall frame all is connected with it is 45 °, this is mutually orthogonal to connect into the superstructure that the latticed steel laced beam of planar forms with the orthogonal spatial formula steel grid wall frame planar shaped angle at 45 ° that is connected and is orthogonal-diagonal lattice formula steel laced beam grid superstructure, and the orthogonal-diagonal lattice formula steel laced beam grid superstructure of each floor is connected with orthogonal spatial formula steel grid wall frame and is Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure.
Above-mentioned steel laced beam is mutually orthogonal to connect into planar when latticed, forms the planar fenestral fabric by the assembly unit C of the cross structure that connected to form by steel laced beam quadrature in advance or the assembly unit B of the intersecting parallels structure with a square net that quadrature connects to form or the two horizontal mutual assembly connections of assembly unit A with three perpendicular chiasma type structures with two square nets that quadrature connects to form.
Quadrature junction at each steel laced beam of above-mentioned assembly unit A, assembly unit B and assembly unit C is provided with shear connector, and the steel laced beam is by the mutually orthogonal connection of shear connector.
Above-mentioned shear connector is made of the square steel; Described steel laced beam is made of two T-steels that are parallel to each other; Up and down two ends at the square steel that consists of shear connector all are welded with the shear connector steel plate, and this shear connector steel plate also welds together with the steel laced beam that is connected on the shear connector simultaneously; And be connected with shear connector by the mode of welding by the steel laced beam that two T-steels that are parallel to each other consist of, and the shear connector place of being welded to connect all be welded with the reinforcement steel plate between two T-steels up and down, strengthen simultaneously steel plate and also be welded to connect with shear connector near a side of shear connector.
On the unsettled end of each the steel laced beam that forms assembly unit A, assembly unit B and assembly unit C, be provided with bolt hole, assembly unit A is or/and assembly unit B or/and the mutual assembly connection of assembly unit C when forming the planar fenestral fabric, is overlapped on per two mutually on the steel laced beams of docking and pass junction steel plate by bolt and be connected bolt hole with the steel laced beam and connect by the junction steel plate that is provided with bolt hole.
Owing to having adopted technique scheme, the present invention adopts steel laced beam orthogonal-diagonal lattice grid as building cover structure, and adopt orthogonal spatial formula steel grid wall frame as the supporting of every floor lid, in advance with the steel of each floor superstructure grid on an empty stomach, it is connected with the perimeter walls frame grid posts of orthogonal spatial, namely laterally on an empty stomach grid forms the space lattice box structure mutually with the vertical steel grid, owing to the superstructure orthogonal-diagonal lattice, and it and wall frame grid transverse beam 45
oCross, namely form steel lattice box structure new system between the oblique emptying of assembling whole-body quadrature.The present invention is by be connected the orthogonal-diagonal lattice multilayer Steel Space grid boxlike building structure that made obtain of orthogonal-diagonal lattice formula steel laced beam grid superstructure with orthogonal spatial formula steel grid wall frame, make the both direction of steel laced beam quadrature stressed evenly, thereby make both direction member shared floor load, can reach like this effect of effective reduction steel using amount.Technical scheme proposed by the invention is actual to be a kind of new system of assembled integral Steel Space grid orthogonal-diagonal lattice superstructure box structure.Proposition of the present invention is that the characteristics according to Long-span Multi-storey Frame degree industrial plant form determine.Because the industrial plant plane is generally long narrow rectangle (as shown in Figure 1), its length (is longitudinal length
Lx) with wide (be span
Ly) length-width-ratio be generally
Lx/ly=4.Be span such as industrial plant
Ly=18m, its longitudinal length
Lx=4
Ly=72m is if make the waffle floor (as shown in Figure 2) of the orthogonal spatial of traditional approach, at superstructure centre external force action
P=1 o'clock, its edge
LxTo the external load that distributes be:
p x =
P/n, the edge
LyThe short Distributing loads
P y =
p-
P/n, when
n=4 o'clock, along span (
Ly) load that distributes of beam is:
p y =3
p/ 4, can find out significantly that from then on its space-load is extremely inhomogeneous.As the steel bar concrete one-way slabs, along short (
Ly) arrangement of reinforcement is by calculative determination, along long to (
Lx) arrangement of reinforcement determined by structure, as shown in Figure 2.When superstructure both sides span equates, namely
Lx=ly, then flooring central authorities load distributes the both direction load
Px=Py=0.5P, i.e. the orthogonal spatial waffle floor of square-shaped planar stressed evenly (as shown in Figure 3).When being rectangle plane (as shown in Figure 2), and
Lx/ly 〉=n(
n=2,3 ... 8) time, should arrange the orthogonal-diagonal lattice grid by Steel Space grid hollow floor system of the present invention, such as 45 ° of angle dotted line positions among Fig. 2, when floor load P acts on 45 ° of angle laced beams (dotted line represents among Fig. 2) both direction, also can accomplish
Px=Py=0.5
PFrom just can finding out significantly here, for the building structure of rectangle plane (namely
Lx/ly 〉=n,
n=2,3,8), as the orthogonal-diagonal lattice multilayer Steel Space grid boxlike building structure of adopting orthogonal-diagonal lattice formula steel laced beam grid superstructure of the present invention and orthogonal spatial formula steel grid wall frame to connect to form, its distribution of force along lx and ly direction is just very even, and the uniform effect of its distribution of force can reach the stressed effect of square-shaped planar.Therefore, adopt the present invention can reach significantly the purpose that reduces steel using amount.
For example, for span
Ly=4000,
Lx=8000 simple supported edge board, its thickness of slab
h=140mm(l/28.6), one-way slabs reinforcement manner routinely carries out arrangement of reinforcement, along short (
Ly) the levels arrangement of reinforcement, need every square metre of steel bar stress 10.17kg, along long to (
Lx) need every square metre of reinforcing bar 2.4kg, add up to 12.57kg/m
2When the concrete board plane be of a size of square (4m * 4m), floor load by the steel bar stress of both direction bear (
q/ 2), can two-way slab mode routinely carry out arrangement of reinforcement, namely both direction levels arrangement of reinforcement is all the same, adds up to 8kg/m
2Every square metre of these two kinds of quantity of reinforcement differ 12.57-8=4.57kg/m
2, namely the one-way slabs quantity of reinforcement increases more than 35% than two-way slab quantity of reinforcement.By unidirectional and two-way concrete slab arrangement of reinforcement as can be known, the stressed one-way slabs that greatly is better than of the space three-dimensional of two-way slab, by parity of reasoning, when the plane of industrial premises superstructure is rectangle, and its
Lx/ly=
n(
n=2,3,4 ... 8) time, if adopt conventional steel frame, when
LyDuring=18m,
q=5kN/m
2Steel using amount is 122.5kg/m
2, when adopting application number to be the technical scheme of 201110437708.5 disclosed " assembled integral orthogonal spatial hollow sandwich panel ceiling for storied building box structures ", its steel using amount is 86 kg/m
2And when adopting technical scheme proposed by the invention, its steel using amount only is 72.5 kg/m
2, this multilayer than conventional steel framed structure (three layers) large span (
Ly=18m) industrial premises steel using amount (122.5 kg/m
2) (50 kg/m namely descend more than 40% in decline
2).So, the present invention compared with prior art, the present invention not only has advantages of can effectively reduce steel using amount, but also has simple in structure, the advantages such as making is easy, construction costs is low, construction is time saving and energy saving, reliable construction quality, structural strength is high, structural stability is good.
Description of drawings
Fig. 1 is the schematic diagram of rectangle plane superstructure;
Fig. 2 is rectangle plane superstructure force analysis schematic diagram;
Fig. 3 is square-shaped planar superstructure force analysis schematic diagram;
Fig. 4 is structural model schematic diagram of the present invention;
Fig. 5 is the plane structure schematic diagram of orthogonal-diagonal lattice formula steel laced beam grid superstructure of the present invention when being connected with orthogonal spatial formula steel grid wall frame, and the part of dotted line institute frame is the division part of each assembly unit among the figure;
Fig. 6 is the structural representation of assembly unit A of the present invention;
Fig. 7 is the structural representation of assembly unit B of the present invention;
Fig. 8 is the structural representation of assembly unit C of the present invention;
Fig. 9 is that the I of Fig. 6 is to structural representation;
Figure 10 is that the II of Fig. 8 is to structural representation;
Figure 11 is the structural representation of assembly unit B of the present invention when being connected with assembly unit C;
Figure 12 is the local structure for amplifying schematic diagram of the III section of Figure 11;
Figure 13 is the structure chart of assembly unit C welding assembly of the present invention;
Figure 14 is the IV-IV broken section structure chart of Figure 13.
Description of reference numerals: 1-orthogonal spatial formula steel grid wall frame, 2-steel laced beam, 3-orthogonal-diagonal lattice formula steel laced beam grid superstructure, the 4-shear connector, 5-shear connector steel plate, 6-strengthens steel plate, 7-junction steel plate, the 8-bolt, the angle between the coupled steel laced beam in the plane of α-orthogonal spatial formula steel grid wall frame.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples, but not as any limitation of the invention foundation.
Embodiments of the invention: the preparation method of a kind of Long-span Multi-storey Frame degree public building of the present invention and industrial premises assembling Integral box type structure, to improve on the basis of existing steel laced beam and orthogonal spatial formula steel grid wall frame to form, the method comprises that employing steel laced beam is as building cover structure, and adopt orthogonal spatial formula steel grid wall frame as the support of every floor lid, during enforcement, steel laced beam with each floor superstructure adopts the mode of quadrature to connect into the latticed steel laced beam of planar in advance, being about to every steel laced beam connects into latticed by orthogonal mode, then the latticed steel laced beam of connecting into of each floor superstructure is connected with orthogonal spatial formula steel grid wall frame, make the plane angle at 45 ° of the orthogonal spatial formula steel grid wall frame that every steel laced beam all is connected with it during connection, can make like this obtaining Long-span Multi-storey Frame degree public building of the present invention and industrial premises assembling Integral box type structure.
Above-mentionedly connect into the latticed steel laced beam of planar and adopt the mode tiltedly the put 45 ° of angles formed superstructure that is connected with orthogonal spatial formula steel grid wall frame to be orthogonal-diagonal lattice formula steel laced beam grid superstructure by orthogonal manner, assemble the Integral box type structure by this orthogonal-diagonal lattice formula steel laced beam grid superstructure with namely obtaining Long-span Multi-storey Frame degree public building of the present invention and industrial premises being connected of orthogonal spatial formula steel grid wall frame, this structure also can be described as the building structure of orthogonal-diagonal lattice multilayer Steel Space grid boxlike.
The number of plies of above-mentioned Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure is 2～5 layers, usually goes up overall height and should be less than or equal to 24m; The flat shape of above-mentioned orthogonal-diagonal lattice multilayer Steel Space grid boxlike building structure is rectangle, and its longitudinal length lx with the ratio of its span ly is: lx/ly=n, and wherein n is the natural number more than or equal to 2, its span ly is 15m～30m, n=2 under normal conditions, 3,4 ... 8; When adopting the mode of quadrature to connect into the latticed steel laced beam of planar the steel laced beam of each floor in advance, the square shape that is shaped as same size of its each grid.
During enforcement, carrying out in advance steel laced beam with each floor when adopting the mode of quadrature to connect into the latticed steel laced beam of planar, can in factory floor, in advance the steel laced beam be welded into the assembly unit C of cross structure, or be welded into the assembly unit B of the intersecting parallels structure with a square net, or be welded into the assembly unit A of two horizontal and three perpendicular chiasma type structures with two square nets, and then with the assembly unit A that makes, assembly unit B and assembly unit C transport to the latticed steel laced beam of planar that is assembled into quadrature behind the scene, and this steel laced beam that connects into the plane net trellis is connected with orthogonal spatial formula steel grid wall frame, make the plane angle at 45 ° of the orthogonal spatial formula steel grid wall frame that every steel laced beam all is connected with it during connection, obtain Long-span Multi-storey Frame degree public building of the present invention and industrial premises assembling Integral box type structure or be called the building structure of orthogonal-diagonal lattice multilayer Steel Space grid boxlike with can making being connected of orthogonal spatial formula steel grid wall frame by this orthogonal-diagonal lattice formula steel laced beam grid superstructure.
The of the present invention a kind of Long-span Multi-storey Frame degree public building and the industrial premises that make up according to said method assemble the Integral box type structure, such as Fig. 4～shown in Figure 14, this structure comprises orthogonal spatial formula steel grid wall frame 1 and the steel laced beam 2 that is connected the every floor building cover structure of conduct thereon, during making, mutually orthogonal to connect into planar latticed with the steel laced beam 2 of each floor superstructure, and making the plane included angle α of the orthogonal spatial formula steel grid wall frame 1 that every steel laced beam 2 that is connected with orthogonal spatial formula steel grid wall frame 1 all is connected with it is 45 °, this is mutually orthogonal to connect into the superstructure that the latticed steel laced beam 2 of planar forms with the orthogonal spatial formula steel grid wall frame 1 planar shaped angle α at 45 ° that is connected and is orthogonal-diagonal lattice formula steel laced beam grid superstructure 3, with the orthogonal-diagonal lattice formula steel laced beam grid superstructure 3 of each floor with after orthogonal spatial formula steel grid wall frame 1 is connected, can obtain Long-span Multi-storey Frame degree public building of the present invention and industrial premises assembling Integral box type structure, this structure also can be described as the building structure of orthogonal-diagonal lattice multilayer Steel Space grid boxlike.
With the mutually orthogonal planar that connects into of above-mentioned steel laced beam 2 when latticed, can be by the mode of making at factory floor in advance, steel laced beam 2 is welded to connect the assembly unit C that is made into cross structure, or the assembly unit B with intersecting parallels structure of a square net, or the assembly unit (such as Fig. 6～shown in Figure 10) of assembly unit A with two horizontal and three perpendicular chiasma type structures of two square nets, the assembly unit C of the cross structure that then quadrature is connected to form, or the assembly unit B of the intersecting parallels structure with a square net that connects to form of quadrature, or after the two horizontal assembly unit A with three perpendicular chiasma type structures with two square nets that connect to form of quadrature are transported to the building site, its mutual assembly connection is formed the planar fenestral fabric; The steel laced beam that simultaneously this is connected into plane net trellis structure is connected with orthogonal spatial formula steel grid wall frame 1, make the plane angle α at 45 ° of the orthogonal spatial formula steel grid wall frame that every steel laced beam 2 all is connected with it during connection, thereby form the syndeton of orthogonal-diagonal lattice formula steel laced beam grid superstructure 2 and orthogonal spatial formula steel grid wall frame 1, this structure is Long-span Multi-storey Frame degree public building of the present invention and industrial premises assembling Integral box type structure or is called orthogonal-diagonal lattice multilayer Steel Space grid boxlike building structure (as shown in Figure 4 and Figure 5, the part of dotted line institute frame is the division part of each assembly unit among Fig. 5).
In order to reach higher bonding strength, during making, be connected the quadrature junction of each steel laced beam 2 with assembly unit C at assembly unit A, assembly unit B and adopt shear connector 4 to connect, be about to steel laced beam 2 by shear connector 4 mutually orthogonal connections.
Above-mentioned shear connector 4 can adopt existing square steel to consist of; Above-mentioned steel laced beam 2 can adopt two T-steels that are parallel to each other to consist of; In order to improve bonding strength, all weld respectively a shear connector steel plate 5 at the up and down two ends of the square steel that consists of shear connector 4, and this shear connector steel plate 5 is also welded together with the steel laced beam 2 that is connected on the shear connector 4 simultaneously; To also be connected with shear connector 4 by the mode of welding by the steel laced beam 2 that two T-steels that are parallel to each other consist of, and up and down two T-steels at shear connector 4 places of being welded to connect between all be welded with and strengthen steel plate 6, the side that will strengthen simultaneously steel plate 6 close shear connectors 4 also is welded to connect (such as Figure 13, shown in Figure 14) with shear connector 1.
When produce in factory, on the unsettled end of each the steel laced beam 2 that forms assembly unit A, assembly unit B and assembly unit C, produce simultaneously bolt hole in advance, with assembly unit A or/and assembly unit B or/and the mutual assembly connection of assembly unit C when forming the planar fenestral fabric, by the junction steel plate 7 that is provided with bolt hole be overlapped on per two mutually on the steel laced beams 2 of docking and by bolt 8 pass bolt hole that junction steel plate 7 is connected with the steel laced beam connect (such as Figure 11 and shown in Figure 12).
In the specific implementation, with in advance at the good assembly unit A of produce in factory, assembly unit B and assembly unit C are transported to the job site, after Foundation Design is complete, first floor orthogonal spatial formula steel grid wall frame 1 is installed first, adopt again high-intensity bolt 8 with assembly unit A or/and assembly unit B or/and assembly unit C connection becomes the steel laced beam superstructure of first floor plane net trellis structure, and the angle α on orthogonal spatial formula steel grid wall frame 1 plane that is connected with it of the every steel laced beam 2 that makes this superstructure is 45 °, and formed like this superstructure is orthogonal-diagonal lattice formula steel laced beam grid superstructure 3; In order to reach higher bonding strength, in each position, the edge of a wing, connected node place, directly adopt butt weld to connect at the scene, thereby make each connected node all form " the bolt weldering connects ".After first floor superstructure grid forms integral body, after pin is broken in the grid top flange, build again the thick steel concrete panel of 80mm, form steel-concrete combined hollow sandwich plate floor.After first floor forms integral body again by the first floor construction installation method construction second layer and the 3rd layer, the orthogonal-diagonal lattice formula steel laced beam grid superstructure 3 that is about to each floor can obtain the new structure system (as shown in Figure 4 and Figure 5) of orthogonal-diagonal lattice multilayer Steel Space grid boxlike of the present invention building structure with after orthogonal spatial formula steel grid wall frame 1 is connected.
Claims (10)
1. the preparation method of a Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure, comprise and adopt the steel laced beam as building cover structure, and adopt orthogonal spatial formula steel grid wall frame as the support of every floor lid, it is characterized in that: the steel laced beam with each floor superstructure adopts the mode of quadrature to connect into the latticed steel laced beam of planar in advance, being about to every steel laced beam connects into latticed by orthogonal mode, then the latticed steel laced beam of connecting into of each floor superstructure is connected with orthogonal spatial formula steel grid wall frame, make the plane angle at 45 ° of the orthogonal spatial formula steel grid wall frame that every steel laced beam all is connected with it during connection, can make like this obtaining Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure.
2. Long-span Multi-storey Frame degree public building according to claim 1 and industrial premises assemble the preparation method of Integral box type structure, it is characterized in that: the number of plies of described Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure is 2～5 layers.
3. Long-span Multi-storey Frame degree public building according to claim 1 and industrial premises assemble the preparation method of Integral box type structure, it is characterized in that: the flat shape of described Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure is rectangle, its longitudinal length lx with the ratio of its span ly is: lx/ly=n, wherein n is the natural number more than or equal to 2, and span ly is 15m～30m.
4. Long-span Multi-storey Frame degree public building according to claim 1 and industrial premises assemble the preparation method of Integral box type structure, it is characterized in that: when adopting the mode of quadrature to connect into the latticed steel laced beam of planar the steel laced beam of each floor in advance, the square shape that is shaped as same size of its each grid.
5. Long-span Multi-storey Frame degree public building according to claim 4 and industrial premises assemble the preparation method of Integral box type structure, it is characterized in that: when adopting the mode of quadrature to connect into the latticed steel laced beam of planar the steel laced beam of each floor in advance, in factory floor, in advance the steel laced beam is welded into the assembly unit C of cross structure, or be welded into the assembly unit B of the intersecting parallels structure with a square net, or be welded into the assembly unit A of two horizontal and three perpendicular chiasma type structures with two square nets, and then with the assembly unit A that makes, assembly unit B and assembly unit C transport to the latticed steel laced beam of planar that is assembled into quadrature behind the scene.
6. a Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure, comprise orthogonal spatial formula steel grid wall frame (1) and the steel laced beam (2) that is connected the every floor building cover structure of conduct thereon, it is characterized in that: the steel laced beam (2) of each floor superstructure is mutually orthogonal, and to connect into planar latticed, and the plane included angle (α) of the orthogonal spatial formula steel grid wall frame (1) that every steel laced beam (2) that is connected with orthogonal spatial formula steel grid wall frame (1) all is connected with it is 45 °, this is mutually orthogonal to connect into the superstructure that the latticed steel laced beam of planar (2) forms with orthogonal spatial formula steel grid wall frame (1) the planar shaped angle at 45 ° (α) that is connected and is orthogonal-diagonal lattice formula steel laced beam grid superstructure (3), and the orthogonal-diagonal lattice formula steel laced beam grid superstructure (3) of each floor is connected with orthogonal spatial formula steel grid wall frame (1) and is Long-span Multi-storey Frame degree public building and industrial premises assembling Integral box type structure.
7. Long-span Multi-storey Frame degree public building according to claim 6 and industrial premises assemble the Integral box type structure, it is characterized in that: steel laced beam (2) is mutually orthogonal to connect into planar when latticed, forms the planar fenestral fabric by the assembly unit C of the cross structure that connected to form by steel laced beam (2) quadrature in advance or the assembly unit B of the intersecting parallels structure with a square net that quadrature connects to form or the two horizontal mutual assembly connections of assembly unit A with three perpendicular chiasma type structures with two square nets that quadrature connects to form.
8. Long-span Multi-storey Frame degree public building according to claim 7 and industrial premises assemble the Integral box type structure, it is characterized in that: the quadrature junction at each steel laced beam (2) of assembly unit A, assembly unit B and assembly unit C is provided with shear connector (4), and steel laced beam (2) is by the mutually orthogonal connection of shear connector (4).
9. described described Long-span Multi-storey Frame degree public building and industrial premises assemble the Integral box type structure according to claim 8, and it is characterized in that: described shear connector (4) is made of the square steel; Described steel laced beam (2) is made of two T-steels that are parallel to each other; Up and down two ends at the square steel that consists of shear connector (4) all are welded with shear connector steel plate (5), and this shear connector steel plate (5) also welds together with the steel laced beam (2) that is connected on the shear connector (4) simultaneously; And be connected with shear connector (4) by the mode of welding by the steel laced beam (2) that two T-steels that are parallel to each other consist of, and up and down two T-steels at shear connector (4) place of being welded to connect between all be welded with and strengthen steel plate (6), strengthen simultaneously steel plate (6) and also be welded to connect with shear connector (1) near a side of shear connector (4).
10. Long-span Multi-storey Frame degree public building according to claim 9 and industrial premises assemble the Integral box type structure, it is characterized in that: forming assembly unit A, the unsettled end of each steel laced beam (2) of assembly unit B and assembly unit C is provided with bolt hole, assembly unit A or/and assembly unit B or/and the mutual assembly connection of assembly unit C when forming the planar fenestral fabric, the steel laced beams (2) of docking are upper and pass junction steel plate (7) by bolt (8) and be connected 2 with the steel laced beam mutually to be overlapped on per two by the junction steel plate (7) that is provided with bolt hole) bolt hole connect.
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