CN107989193A - Compound orthogonal spatial space lattice boxlike tube-in-tube structure and production method - Google Patents
Compound orthogonal spatial space lattice boxlike tube-in-tube structure and production method Download PDFInfo
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- CN107989193A CN107989193A CN201711301753.6A CN201711301753A CN107989193A CN 107989193 A CN107989193 A CN 107989193A CN 201711301753 A CN201711301753 A CN 201711301753A CN 107989193 A CN107989193 A CN 107989193A
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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
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Abstract
The invention discloses compound orthogonal spatial space lattice boxlike tube-in-tube structure, including periphery is in column net, central core tube and the steel mesh form superstructure of the distribution of four sides;The steel mesh form superstructure is connected with column net, central core tube respectively through wall stand unit;The central core tube is made for mixed mud is cast-in-place;The assembled rigid unit of the small-sized steel lattice includes unit A, unit B, unit C, cells D, unit E, unit F;The unit F is the diesis steel construction that basic unit is formed by winding up with lower edge;The cells D is made of 4 unit Fs;The unit E is made of 2 unit Fs;The unit A is made of 3 unit E;The unit B is made of 2 cells Ds;The unit C is made of 4 unit Fs.Compound orthogonal spatial space lattice boxlike tube-in-tube structure using the present invention, component node increases considerably, building function is more perfect, reduce steel using amount, save construction raw material, be easier to realize that workshop manufactures after component miniaturization, promote green construction construction, under the consistent requirement of clear height, floor height reduces, and can build the increase of the high building number of plies.
Description
Technical field
The invention belongs to steel structure technology field, more particularly to compound orthogonal spatial space lattice boxlike tube-in-tube structure
And production method.
Background technology
" cylinder mixed structure in the steel lattice boxlike cylinder of orthogonal spatial space " i.e. patent of invention " Reinforced Concrete Core Walls Structure and dress
With monoblock type Steel Space grid tube-in-tube structure " (certificate number the 1267867th), the Tangshan, Hebei Province Jian Hua built up for 2012
Mansion (24 floor), Multifunctional writing building building, is example of such new structural systen in Areas of High Earthquake Intensity (8 degree), around mixed
Solidifying soil Core Walls Structure peripheryLx=25.2m,Ly=27.3m, Core Walls Structure and four side depth 8.4m, using grida=2.1mFormed it is orthogonal just
Steel lattice boxlike tube-in-tube structure between emptying, makes the former framed-tube structure for designing 18 layers after change, develop into 24 layers of space lattice
Boxlike tube-in-tube structure achieves significant technical-economic index, but only drawback is that superstructure depth 8.4m, 8.4m/2.1m=4
< 5, " plate " mechanics effect must not give full play to, and another aspect grid type frame column net is identical with superstructure, also be 2.1m, column is away from net
Span is less than normal.
The content of the invention
The technical problems to be solved by the invention are:There is provided compound orthogonal spatial space lattice boxlike tube-in-tube structure and
Production method, design partition more minimizes on the basis of " orthogonal spatial space lattice boxlike tube-in-tube structure " original grid
Grid, steel lattice encryption, component node increase considerably, and can save steel using amount.
In order to solve the above-mentioned technical problem, inventor by research and summary draw the technical scheme is that:
Compound orthogonal spatial space lattice boxlike tube-in-tube structure, including column net, the central core tube that periphery is distributed in four sides
And steel mesh form superstructure;The steel mesh form superstructure is connected with column net, central core tube respectively through wall stand unit;The center
Core Walls Structure is made for mixed mud is cast-in-place;The steel mesh form superstructure is overall vertical with peripheral frame trestle by some steel laced beams
Direction be rigidly connected two-by-two formation small-sized steel lattice composition;The assembled rigid unit of the small-sized steel lattice include unit A, unit B,
Unit C, cells D, unit E, unit F;The unit F is the diesis steel construction that basic unit is formed by winding up with lower edge;Institute
Cells D is stated to be made of 4 unit Fs;The unit E is made of 2 unit Fs;The unit A is made of 3 unit E;The list
First B is made of 2 cells Ds;The unit C is made of 4 unit Fs.
Preferably, the both sides cross structure length of the unit F is 1250mm.
Preferably, the steel mesh form superstructure upper surface is connected with concrete board connection mode and is fixed for pin.
Preferably, each steel construction is connected by screw bolts.
Preferably, the compound orthogonal spatial space lattice boxlike tube-in-tube structure production method, it is characterised in that:Institute
The method of stating includes the following steps:
Step 1:Space steel lattice boxlike tube-in-tube structure steel lattice parameter calculates
A1, according to steel laced beam in width a1, convert its moment of inertia Ix1;
A2, can be obtained by A1, the reduced moment of inertia Ix1/ a1 of unit wide (1m);
A3, compound orthogonal spatial hollow floor system grid are a1/2;
A 4, the grid because of superstructure have constituted the mechanical model of " plate ", and the conversion of mesh is calculated according to A2 and A4
The moment of inertia Ix2, Ix2=Ix1/ a1* a1/2;
Step 2:Parameters obtained is calculated by previous step and designs and produces firm grid cell on an empty stomach
B1, calculate gained Ix2 according to A4, by wide (1m) reduced moment of inertia of unit, you can steel laced beam is cut after trying to achieve refined net
Face size b;
B2, can obtain steel lattice unit F structure size according to A3 and B1, and arrange Workshop Production to weld;
B3, unit A, unit B, unit C, cells D, unit E arrange weldering two-by-two by 6,8,4,4,2 unit Fs respectively
Connect composition;
Step 3:On-site consolidation
C1, transport the unit A manufactured in B3, unit B, unit C, cells D, unit E to construction site;
C2, be hung to be connected with high-strength bolt between each unit behind assembled position and form a steel lattice by hoisting machinery by each unit
Formula superstructure is overall.
Compared with prior art, the present invention can obtain following technique effect:
(1) compound orthogonal spatial space lattice boxlike tube-in-tube structure using the present invention, component node are increased considerably, built
It is more perfect to build function, reduces steel using amount, saves construction raw material.
(2) compound orthogonal spatial space lattice boxlike tube-in-tube structure using the present invention, more holds after component miniaturization
Easily realize that workshop manufactures, promote green construction construction.
(3) compound orthogonal spatial space lattice boxlike tube-in-tube structure using the present invention, in the consistent requirement of clear height
Under, floor height reduces, and can build the increase of the high building number of plies.
Brief description of the drawings
Fig. 1 is steel cylinder tube-in-tube structure high building index bed structural plan in the prior art;
Fig. 2 is its high building index bed structural plan of orthogonal spatial space steel lattice boxlike tube-in-tube structure;
Fig. 3 is the compound orthogonal spatial steel lattice superstructure floor map of implementation column of the present invention;
Fig. 4 is steel lattice superstructure grid cell schematic diagram in Fig. 3;
Fig. 5 is that steel laced beam matches somebody with somebody bar structural map;
Fig. 6 is the real abdomen steel I-beam sectional view of the steel laced beam of Fig. 5;
Fig. 7 be the embodiment of the present invention hollow floor system in steel empty stomach girder construction structural map;
Fig. 8 is the real abdomen I-beam sectional view of the steel laced beam of Fig. 7;
Fig. 9 is the wall stand cellular construction schematic diagram of implementation column of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is described in further detail.
Below in conjunction with the accompanying drawings and specific embodiment further describes the application principle of the present invention.
Assuming that the fortification intensity of construction project to be onstructed is 8 degree, and Site Soil is three classes, need to build Super High (H > 100m)
Office building is built, and conventional steel tube fr does not reach shockproof requirements, by traditional Super High highlight lines area, only using steel
Cylinder mixed structure in cylinder, the periphery steel frame cylinder of close column Mi Liang, Core Walls Structure mix for cylinder in the cylinder of concrete shear force wall formation
Structure.
As shown in Figure 1, for steel cylinder tube-in-tube structure high building index bed structural plan in the prior art, that is, form a=2.5m's
Close column Mi Liang, by Specification of Aseismic, its high (H) wide (B) than H/B=6.5, and high building (Fig. 1) ground height H=6.5 × 32.5=
211.25m, the intercolumniation of conventional steel cylinder tube-in-tube structure 2.5m, during span L=10, use Vierendeel girder for H800 × 350 × 10 ×
25, only superstructure (not counting the close column in periphery and grid beam steel) uses steel 78kg/m2, steel using amount is on the one hand building cover structure height greatly
(800+400=1200), (400 be furred ceiling automatic spraying equipment layer), when office building clear height 2800, average tower is per high layer by layer 2.8
+ 1.2=4m, i.e. routinely tube-in-tube structure, can build-up layers number n1=211.25m/4m=53 layer (H=212m) high building area 60287m2,
In addition this class formation is also made flexibly to divide the building requirements in room less than large bay.
As shown in Fig. 2, superstructure grid is identical with column net (2500), grid (2.5m × 2.5m) is made intersecting parallels net in workshop
Lattice unit, grid account for 5m × 5m=25m2, delivery unit width can not realize more than 3m, long distance transportation(Charge station's width is
3m), the present invention is special to propose " compound orthogonal spatial space steel lattice boxlike tube-in-tube structure ".
As shown in Figure 3 and Figure 4, compound orthogonal spatial space lattice boxlike tube-in-tube structure, including periphery is in four sides point
Column net, central core tube and the steel mesh form superstructure of cloth;The steel mesh form superstructure through wall stand unit respectively with column net, center
Core Walls Structure connects;The central core tube is made for mixed mud is cast-in-place;The steel mesh form superstructure is overall by some steel empty stomaches
The be rigidly connected two-by-two small-sized steel lattice of formation of Liang Jun and peripheral frame trestle vertical direction forms;The assembly of the small-sized steel lattice
Unit includes unit A, unit B, unit C, cells D, unit E, unit F;The unit F is basic unit by winding up and lower edge structure
Into diesis steel construction;The cells D is made of 4 unit Fs;The unit E is made of 2 unit Fs;The unit A is by 3
A unit E is formed;The unit B is made of 2 cells Ds;The unit C is made of 4 unit Fs.
Preferably, the both sides cross structure length of the unit F is 1250mm.Will original a=2.5m grids be changed to a/2=
After 1.25m grids, i.e. mesh refinement, its Impact direction from 4 grids (4 × 2.5m=10m) be changed into 8 grids (8 × 1.25m=
10m), the Chinese character Jing-shaped unit that workshop makes is by 5m × 5m=25m2, change into 2.5m × 2.5m=6.25m2, 4 times are reduced, factory's manufacture
Unit maximum width 2.5m within, while overcoming such a box structure insufficient, it is ensured that building cover structure steel using amount does not increase, by
The mechanical model of " plate " understands that former 2.5m wide laced beams reduced moment of inertia is 14531cm4, every meter wide reduced moment of inertia
5812.4cm2, when grid is wide diminish for 1.25m when, its reduced moment of inertia Ix=1.25×5812.4=7265.5cm4。
As shown in figure 5, steel hollow sandwich plate thickness presses the rigidity value H of " plate "1=320 (square net L/31), reinforcing bar mix
Solidifying soil square panel H2=80 (L/31) total heights (400), its empty stomach 2300 × 50, makees the use of automatic spray line equipment layer,
Under clear height 2.8m requirements, floor height 2.8m+0.4m=3.2m, can build high building number of plies n2=211.25m/3.2m=66 layer, i.e. high building are built
Area A1=66×32.5m×35m=75075m2, build 13 layers than conventional tube-in-tube structure (Fig. 1) more, increase construction area
14788m2。
As can be seen from Figure 5, steel hollow floor system steel is in 45kg/m2With cylinder superstructure (78kg/m in conventional cartridge2) decline 33kg/m2。
Superstructure steel using amount declines 42%, and new architecture (builds 14788m more more under conditions of building 13 layers2) superstructure shaped steel 3378T, and 53 layers
Traditional steel construction steel 4702.3T, use steel 1324T, the structural mechanics mould of tall and slender structure superstructure in the case of few 13 layers
Type selects " beam ", and still " plate " has extremely important effect.
As shown in fig. 6, a and b steel hollow floor system select the mechanical model of " plate ", during its grid a=2.5m, it converts inertia
Square Ix (2.5m)=14531cm4 (not accounting for concrete thickness), superstructure its reduced moment of inertia Ix (2.5m)/2.5m every meter wide=
5812.4cm4.Orthogonal spatial space steel lattice boxlike tube-in-tube structure has proven to its superiority in several engineering practice.But
Following two aspect needs further to enrich raising, and one steel empty stomach grid number is preferably equal to or greater than 5 in the main Impact direction of superstructure,
The mechanics effect of " plate " is given full play to, secondly such new structural systen must walk the construction work of workshop manufacture on-site consolidation
Sequence.
As shown in fig. 7, tried to achieve by the moment of inertia grid 1.25m when floor construction plan.Connect in steel mesh form superstructure upper surface
Concrete board is connected to, its connection mode used is fixed for pin.
As shown in figure 8, a is compound shaped steel laced beam physical dimension in figure, steel using amount does not increase, and superstructure empty stomach clear height by
50 increases by 160.And b is the basic size that conversion is real abdomen I-beam in Fig. 7 (within error 5%).Due to " it is compound it is orthogonal just
The it is proposed of steel lattice boxlike tube-in-tube structure between emptying ", is keeping the every excellent of former patent of invention (ZL201110348963.7)
Under the premise of point, every floor lid empty stomach clear height is set to improve more than 60%.
As shown in figure 9, being the wall stand cellular construction schematic diagram of implementation column of the present invention, wall stand unit plays terminal connection and makees
Wall stand unit is all employ in being connected with, steel mesh form superstructure and column net, and waffle floor with central core tube.
In addition, above-mentioned each steel construction unit is connected by screw bolts.
To sum up, its periphery of certain Super High office building (H=212m) steel column column net 2500mm in conjunction with the embodiments, to compound
Orthogonal spatial space steel lattice boxlike tube-in-tube structure production method is further elaborated, and described method includes following steps:
Step 1:Space steel lattice boxlike tube-in-tube structure steel lattice parameter calculates
A1, according to steel laced beam in width a1=2500mm, convert its moment of inertia Ix1=14531cm4,;
A2, can be obtained by A1, reduced moment of inertia Ix1/ a1=5812.4cm of unit wide (1m)2;
A3, compound orthogonal spatial hollow floor system grid are a1/2=1250mm;
A 4, the grid because of superstructure have constituted the mechanical model of " plate ", and the conversion of mesh is calculated according to A2 and A4
The moment of inertia Ix2, Ix2=Ix1/ a1* a1/2=7265.5cm4;
Step 2:Parameters obtained is calculated by previous step and designs and produces firm grid cell on an empty stomach
B1, calculate gained Ix2 according to A4, by wide (1m) reduced moment of inertia of unit, you can steel laced beam is cut after trying to achieve refined net
Face size b;
B2, can obtain steel lattice unit F structure size according to A3 and B1, and arrange Workshop Production to weld;
B3, unit A, unit B, unit C, cells D, unit E arrange weldering two-by-two by 6,8,4,4,2 unit Fs respectively
Connect composition;
Step 3:On-site consolidation
C1, transport the unit A manufactured in B3, unit B, unit C, cells D, unit E to construction site;
C2, be hung to be connected with high-strength bolt between each unit behind assembled position and form a steel lattice by hoisting machinery by each unit
Formula superstructure is overall.
The moment of inertia Ix2 is understood by A4 and A2>Ix1, the steel laced beam after optimization is thinner, in the situation that superstructure thickness is constant
Under, the steel using amount that steel lattice is winded up between steel lattice lower edge does not increase, and superstructure empty stomach clear height increases 160mm by 50mm, more
The automatic spraying equipment layer that the space gone out can make every floor lid uses.
Embodiment described above is merely a preferred embodiment of the present invention, and the simultaneously exhaustion of the feasible implementation of non-invention.It is right
For persons skilled in the art, on the premise of without departing substantially from the principle of the invention and spirit to any aobvious made by it and
The change being clear to, should all be contemplated as falling with the claims of the present invention.
Claims (5)
1. compound orthogonal spatial space lattice boxlike tube-in-tube structure, it is characterised in that the column including periphery in the distribution of four sides
Net, central core tube and steel mesh form superstructure;The steel mesh form superstructure through wall stand unit respectively with column net, central core tube
Connection;The central core tube is made for mixed mud is cast-in-place;The steel mesh form superstructure it is overall by some steel laced beams with
Peripheral frame trestle vertical direction be rigidly connected two-by-two formation small-sized steel lattice composition;The assembled rigid unit bag of the small-sized steel lattice
Include unit A, unit B, unit C, cells D, unit E, unit F;The unit F is pair that basic unit is formed by winding up with lower edge
Cross steel construction;The cells D is made of 4 unit Fs;The unit E is made of 2 unit Fs;The unit A is by 3 units
E is formed;The unit B is made of 2 cells Ds;The unit C is made of 4 unit Fs.
2. compound orthogonal spatial space lattice boxlike tube-in-tube structure according to claim 1, it is characterised in that described
The both sides cross structure length of unit F is 1250mm.
3. compound orthogonal spatial space lattice boxlike tube-in-tube structure according to claim 1, it is characterised in that described
Steel mesh form superstructure upper surface is connected with concrete board connection mode and is fixed for pin.
4. the compound orthogonal spatial space lattice boxlike tube-in-tube structure according to claims 1 to 3 any one, it is special
Sign is that each steel construction is connected by screw bolts.
5. a kind of orthogonal spatial space lattice boxlike tube-in-tube structure production method compound according to claim 1, its
It is characterized in that:Described method includes following steps:
Step 1:Space steel lattice boxlike tube-in-tube structure steel lattice parameter calculates
A1, according to steel laced beam in width a1, convert its moment of inertia Ix1;
A2, can be obtained by A1, the reduced moment of inertia Ix1/ a1 of unit wide (1m);
A3, compound orthogonal spatial hollow floor system grid are a1/2;
A 4, the grid because of superstructure have constituted the mechanical model of " plate ", and the conversion of mesh is calculated according to A2 and A4
The moment of inertia Ix2, Ix2=Ix1/ a1* a1/2;
Step 2:Parameters obtained is calculated by previous step and designs and produces firm grid cell on an empty stomach
B1, calculate gained Ix2 according to A4, by wide (1m) reduced moment of inertia of unit, you can steel laced beam is cut after trying to achieve refined net
Face size b;
B2, can obtain steel lattice unit F structure size according to A3 and B1, and arrange Workshop Production to weld;
B3, unit A, unit B, unit C, cells D, unit E arrange weldering two-by-two by 6,8,4,4,2 unit Fs respectively
Connect composition;
Step 3:On-site consolidation
C1, transport the unit A manufactured in B3, unit B, unit C, cells D, unit E to construction site;
C2, be hung to be connected with high-strength bolt between each unit behind assembled position and form a steel lattice by hoisting machinery by each unit
Formula superstructure is overall.
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Cited By (1)
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