CN104695623B - A kind of lightweight girder steel and its structure steel skeleton - Google Patents
A kind of lightweight girder steel and its structure steel skeleton Download PDFInfo
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- CN104695623B CN104695623B CN201510149732.1A CN201510149732A CN104695623B CN 104695623 B CN104695623 B CN 104695623B CN 201510149732 A CN201510149732 A CN 201510149732A CN 104695623 B CN104695623 B CN 104695623B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 187
- 239000010959 steel Substances 0.000 title claims abstract description 187
- 238000010008 shearing Methods 0.000 claims abstract description 63
- 239000011159 matrix material Substances 0.000 claims abstract description 61
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 7
- 238000003032 molecular docking Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 229910000746 Structural steel Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a kind of lightweight girder steel and its structure steel skeleton, wherein, the structure steel skeleton includes frame body and two shearing bodies；The frame body is provided with bearing substrate and the vertical connection matrix of the bearing substrate, and two shearing bodies are respectively fixedly connected with the two sides of the connection matrix；The bearing substrate, the connection matrix and the shearing body all extend along the length direction of the lightweight girder steel；Each described shearing body is equipped with multiple shearing matrixes being sequentially connected at an angle, and the shearing matrix of two shearing body phase correspondence positions is arranged in a crossed manner.By above-mentioned setting, the overall weight of structure steel skeleton is effectively reduced, substantially increase its structural strength again, fully meet the demand for development of girder steel lightweight, high intensity.
Description
Technical field
The present invention relates to construction(al)steel technical field, more particularly to a kind of lightweight girder steel and its structure steel skeleton.
Background technology
Steel skeleton or girder steel are mainly used in making steel bearing plate, the floor beam in workbench beam, tier building, roof
Purlin etc..Which has the effect of support, load-bearing, and requires there is stronger resistance to compression, tensile strength；At present, steel skeleton
Or girder steel is generally made using solid plate steel, its own weight is big.
In prior art, generally using angle steel, square steel or I-steel etc. as steel skeleton or girder steel.In practical application
In, this kind of steel are the steel of solid plate, and the weight of its own is larger, also just says that the steel which consumes are more, therefore relatively costly.?
When making steel bearing plate, steel skeleton or girder steel are fixed on the centre of two blocks of steel plates, form clad steel bearing plate, using solid plate steel
The overall weight of steel bearing plate can be greatly increased as steel skeleton or girder steel.In addition, as practical application is required to steel strength
Raising, the intensity of above-mentioned angle steel, square steel or I-steel etc. cannot meet the requirement to high intensity；In larger bearing capacity
Under, above several steel strengths are relatively low, deflection deformation easily occur.
In view of this, how optimization design steel, are these to provide a kind of lightweight, the structure steel skeleton of high intensity or girder steel
One of skilled person's problem demanding prompt solution.
Content of the invention
For above-mentioned defect, the technical problem to be solved in the present invention is to provide a kind of structural steel of lightweight girder steel
Skeleton, had both reduced overall weight, can greatly improve structural strength again.On this basis, the present invention also provides a kind of with the knot
The lightweight girder steel of structure steel skeleton.
A kind of structure steel skeleton of lightweight girder steel that the present invention is provided, the structure steel skeleton include frame body and two cut
Power body；
The frame body is provided with bearing substrate and the vertical connection matrix of the bearing substrate, two shearing bodies difference
It is fixedly connected on the two sides of the connection matrix；The bearing substrate, the connection matrix and the shearing body are all along institute
The length direction for stating lightweight girder steel extends；
Each described shearing body all includes multiple shearing matrixes being sequentially connected at an angle, two shearing body phases
The shearing matrix of correspondence position is arranged in a crossed manner.
Included along the radially fixed connection of lightweight girder steel using the structure steel skeleton of said structure, i.e. the structure steel skeleton
Frame body and two shearing bodies.Wherein, frame body is provided with the bearing substrate and connection matrix being arranged in a mutually vertical manner, bearing substrate
Surface is used as the working face of pressure-bearing, the main stress of bearing structure steel skeleton.The two sides of connection matrix are fixed above-mentioned respectively
Two shearing bodies, and each shearing body is provided with multiple shearing matrixes being sequentially connected at an angle, both sides opposite position
Shearing matrix arranged in a crossed manner；That is, shearing matrix is in sawtooth or wave pattern connection each other is arranged in connection
The side of matrix, so as to so that the resistance to compression of structure steel skeleton, tensile resistance lifting, reduce deflection deformation, improve structure strong
Degree；Meanwhile, using the steel structure framework being arranged such, compared with the steel skeleton of the prior art of comparable size, not only structure
Intensity increases, and greatly reduces overall weight, saving steel, reduction production cost.
Alternatively, the bearing substrate is fixedly connected on the two ends for connecting matrix and forms frame body described in I shape.
Alternatively, the frame body includes two connected substrates, and bending forms U-shaped institute in the same direction for the both sides of the substrate
Substrate is stated, the bottom panel docking of two U-shaped substrates is fixed, and two fixing bottom panels of docking form the connection matrix,
Bending plate forms the bearing substrate.
Alternatively, the crosspoint of the shearing matrix of both sides opposite position is located at the center line of the connection matrix.
Alternatively, the angle of two shearing matrixes being connected is 90 °.
Alternatively, the two neighboring shearing matrix joins end to end.
The present invention also provides a kind of lightweight girder steel, and the lightweight girder steel includes multigroup structure steel skeleton, the structure reinforcing bar
Frame is structures described above steel skeleton, the side of each structure steel skeleton against and arranged radially along the lightweight girder steel
Connection.
As said structure steel skeleton has above technique effect, therefore, the lightweight girder steel with the structure steel skeleton
Should will not be described here with identical technique effect.Meanwhile, the lightweight girder steel can be formed by multigroup structure steel skeleton, i.e., respectively
The side of structure steel skeleton against and arranged radially along lightweight girder steel, so, it is possible to be formed double structure reinforcing bar set a roof beam in place, many structures
Reinforcing bar is set a roof beam in place, and fully meets the requirement to varying strength, lifts the applicability of lightweight girder steel.
Alternatively, the lightweight girder steel also includes strong part, and the strong part is connected two adjacent structure reinforcing bars
Frame.
Using said structure, the reliability for connecting can effectively be strengthened by strong part between two structure steel skeletons being connected
Property, and further enhance the bearing capacity of lightweight girder steel.
Alternatively, the framework body side surface of the structure steel skeleton opens up multiple connection through holes, and the strong part includes edge
The connecting plate of draw-in groove is opened up, the perisporium board of the connection through hole is in the draw-in groove.
Alternatively, the draw-in groove that two parallel edge of the connecting plate are oppositely arranged, the connection through hole
Relative both sides week wallboard is respectively clamped in the corresponding draw-in groove.
Alternatively, the tie point of two shearing matrixes being connected is located on the center line of the correspondence connection through hole.
Alternatively, the strong part also includes reinforcing plate, and the reinforcing plate is vertical with the connecting plate to be connected in cross
Arrange.
Description of the drawings
Fig. 1 is the structural representation of structure steel skeleton in specific embodiment；
Fig. 2 is the side schematic view of structure steel skeleton in specific embodiment；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the structural representation of specific embodiment center support body；
Fig. 5 is the structural representation for shearing body in specific embodiment；
Fig. 6 is the structural representation of strong part in specific embodiment；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is the lightweight steel beam structure schematic diagram that two groups of structure steel skeletons are formed in specific embodiment；
Fig. 9 is the lightweight steel beam structure schematic diagram that three groups of structure steel skeletons are formed in specific embodiment；
The step of Figure 10-Figure 12 is strong part mounting connection structure steel skeleton in specific embodiment schematic diagram.
Wherein, in Fig. 1 to Figure 12：
Structure steel skeleton 10；
Frame body 11, bearing substrate 111, connection matrix 112, connection through hole 1121；
Shearing body 12, shearing matrix 121；
Strong part 20, connecting plate 201, reinforcing plate 202, draw-in groove 2011；
Angle α.
Specific embodiment
The core of the present invention is to provide a kind of structure steel skeleton of lightweight girder steel, by the optimization design to its structure, has
Effect reduces overall weight, reduces deflection deformation, lifting all directions intensity.On this basis, the present invention also provides a kind of with this
The lightweight girder steel of structure steel skeleton.
In order that those skilled in the art more fully understand the present invention program, illustrate with reference to Figure of description
Present embodiment.
Refer to shown in Fig. 1 to Fig. 5, wherein, Fig. 1 is the structural representation of structure steel skeleton in specific embodiment；Fig. 2 is
The A side schematic view of Fig. 1；Fig. 3 is the left view of Fig. 2；Fig. 4 is the structural representation of specific embodiment center support body；Fig. 5 is tool
The structural representation of body is sheared in body embodiment.
The invention provides a kind of structure steel skeleton 10 of lightweight girder steel, the structure steel skeleton 10 includes frame body 11 and two
Individual shearing body 12.Specifically refer to shown in Fig. 1 and Fig. 2, wherein, frame body 11 is provided with orthogonal bearing substrate 111 and connects
Matrix 112 is connect, forms the structure of framework；The surface of bearing substrate 111 is pressure-bearing working face, receives to carry main pressure；Two
Individual shearing body 12 is respectively fixedly connected with the two sides of connection matrix 112, the bearing substrate, the connection matrix and described
Shearing body all extends along the length direction of the lightweight girder steel；Also, each shearing body 12 include multiple at an angle successively
The two ends connection another two of the shearing matrix 121 of shearing matrix 121, i.e., of connection shears the end of matrix 121, so as to be formed
The shearing body 12 of sawtooth or wave pattern.Shearing matrix 121 and is connected matrix 112 along connection matrix 112 length direction connection
Common support bearing matrix 111, improves the structural strength of structure steel skeleton 10；Meanwhile, the shearing matrix of both sides opposite position
121 is arranged in a crossed manner, so as to effectively evenly the intensity of 10 all directions of lift structure steel skeleton, improves by force intensity.
Compared with prior art, in equivalent specifications size, using the structure steel skeleton 10 of said structure, steel is made full use of
Material, effectively reduces overall weight, saves material, reduces production cost；Also, deflection deformation is also greatly reduced, lifting is anti-
Pressure, resistance to tension, uniformly effectively increase the intensity of all directions.
In a kind of specific embodiment, bearing substrate 111 is fixedly connected on the two ends of connection matrix 112, forms I shape
Frame body 11；That is, frame body 11 includes two bearing substrates 111 and a connection matrix 112, connect matrix 112
The two edges of length direction fix with the surface of two bearing substrates 111 respectively.
The frame body 11 of the structure can by being integrally machined to be formed, or be fixedly connected by welding bearing substrate 111 with
Connection matrix 112.
In still another embodiment, as shown in Figure 2, Figure 3 and Figure 4, the frame body 11 includes two connected substrates, base
Bending forms U-shaped substrate in the same direction for the both sides of plate；That is, two parallel laterally same direction bendings of substrate, so as to
Make the U-shaped setting in section of substrate.
The bottom panel docking of above-mentioned U-shaped substrate is fixed, and the bottom panel of two docking forms connection matrix 112, and right
The bending plate for connecing forms bearing substrate 111.Using said structure, the processing of its substrate is simple, convenient, it is easy to be molded, reduce plus
Work intensity.
It should be noted that two substrates can be fixedly connected by welding manner, can also lead to after certain two bottom panels docking
Other fixed form connections are crossed, for example the mode such as bonding, bolt fixation, need to only make two substrates effectively be connected.
Further, for above-described embodiment to shearing the further optimization design of matrix 121, in conjunction with shown in Fig. 1 and Fig. 5.
The crosspoint of the shearing matrix 121 of both sides opposite position is located on the center line of connection matrix 112；That is, side
Shearing body 12 can obtain, with respect to the center line mirror image of connection matrix 112, the fixed position that opposite side shears body 12.It is arranged such,
So that shearing body 12 forms more stable, reliable support, vertical pressure-bearing surface direction anti-pressure ability, and shape along its length is improved
The resistance that the stretch-proof for becoming stable deforms, the intensity of effective lift structure steel skeleton 10, substantially reduce which and produce deflection deformation.
The shearing matrix 121 is specifically configured to rectangle steel disc, the unilateral vertical connection matrix 112 of its rectangle steel disc
The side of connection matrix 112 is fixed in side, the i.e. outer rim of rectangle steel disc, is so formed with frame body 11 with the frame effect of cutting
Structure steel skeleton 10, effectively improve resistance to compression, tensile strength.
Shearing matrix 121 (rectangle steel disc) stretches out the outer rim of 111 pressure-bearing surface of bearing substrate, certainly, may be alternatively located at or
The outer rim of concordant 111 pressure-bearing surface of bearing substrate, specifically can set according to connection requirement.Preferably shearing matrix 121 is stretched herein
Go out the outer rim of 111 pressure-bearing surface of bearing substrate, in this way, structure steel skeleton 10 can fix the surface steel of girder steel by bearing substrate 111
Plate or other components, can be also fixed by shearing matrix 121 (rectangle steel disc).
Further, the angle α of two shearing matrixes 121 being connected is preferably arranged to 90 °, in this way, both sides intersect
Shearing matrix 121 between the angle of the crossing be 45 °.Using shearing matrix 121 is arranged such, being capable of balanced lift structure reinforcing bar
The compression strength and tensile strength of frame 10.Certainly, resistance to compression according to structure steel skeleton 10, the demand of tension, can change connected
The angle α of connect two shearing matrixes 121, for example, may also be configured to 30 °, 45 °, 60 °, 100 ° etc., with the increase of angle α,
The tensile strength of structure steel skeleton 10 increases, compression strength reduces, and the resistance to compression of structure steel skeleton 10, stretch-proof at 90 °
Intensity is more balanced, and applicability, practicality are best.
Further, two neighboring 121 head and the tail of shearing matrix connect, and form reliable and stable shearing body, effectively guarantee knot
The intensity of structure steel skeleton.
In addition to said structure steel skeleton 10, the present invention also provides a kind of lightweight girder steel with the structure steel skeleton 10.
The lightweight girder steel includes multigroup structure steel skeleton 10, and the structural steel beam is structures described above steel skeleton 10, each structural steel
The side of skeleton 10 against and along lightweight girder steel arranged radially connect.
As lightweight girder steel adopts said structure steel skeleton 10, when structure steel skeleton 10 is with above technique effect, therefore,
Lightweight girder steel with the structure steel skeleton 10 also should be with identical technique effect, please also refer to the skill of structure steel skeleton 10
Art effect, will not be described here.
The lightweight girder steel that the present invention is provided can be formed using the structural steel beam of different group numbers, specifically, can be according to lightweight steel
The quantity of the strength demand design structure steel skeleton 10 of beam.Lightweight girder steel with twin-spar construction, its are provided with two groups of structure reinforcing bars
Frame 10；The lightweight girder steel of many girder constructions is provided with multigroup structure steel skeleton 10；The lightweight girder steel of combined beam structure can be tied by single group
10, two groups of structure steel skeletons 10 of structure steel skeleton, any combination of multigroup structure steel skeleton 10 are formed.
It is understood that also only can form lightweight girder steel using single group structure steel skeleton 10, as single-spar construction is light
Matter girder steel.
Therefore, the lightweight girder steel both can avoid material according to the intensity requirement optimization design needed for different application occasion
Waste, effectively reduce overall weight, can effectively lift resistance to compression, tensile strength, the lightweight girder steel and comparable size parameter again
Girder steel is compared, and the intensity of its all directions can lift 30%～50%, reach the requirement to lightweight, high intensity.
Further, the lightweight girder steel also includes strong part 20, and the strong part 20 can be connected two adjacent structure reinforcing bars
Frame 10, to improve the stability of structural steel beam connection, and can lift its intensity.
Specifically, as shown in Figure 6 and Figure 7,11 side of frame body of the structure steel skeleton 10 opens up multiple connection through holes
1121, strong part 20 includes the connecting plate 201 of edge draw-in groove 2011, between adjacent two draw-in groove 2011 of 201 homonymy of connecting plate
Radial dimension of the distance just for a structure steel skeleton 10.
As shown in Figure 8 and Figure 9, the structural representation for two groups, multigroup structure steel skeleton 10 being connected by connecting plate 201
Figure, fixes connection by the draw-in groove 2011 on connecting plate 201, improves being reliably connected for lightweight girder steel further, lifts which and resists
Pressure, tensile strength.
The step of incorporated by reference to 20 mounting connection structure steel skeleton 10 of strong part shown in Figure 10 to Figure 12, in figure arrow, indicate
Go out the installation action direction of strong part 20.Specifically, in connection, connecting plate 201 is inclined through connection through hole 1121, to work as card
During the edge of the just corresponding connection through hole 1121 of groove 2011, connecting plate 201 is overturn, so that all wallboards of connection through hole 1121 fall into card
In groove 2011.
Above-mentioned connection through hole 1121 can also mitigate the weight of structure steel skeleton 10, reduce the overall weight of girder steel further,
Comply with light weight design requirement；Meanwhile, each connection through hole 1121 can form a frame structure again with the wallboard of its surrounding,
The effect of the shear force of frame of reinforcement structure steel skeleton 10, effectively lifts its intensity.
Multiple connection through holes 1121 can be used to connect multiple strong parts 20, set with specific reference to intensity requirement；Herein
Connection through hole 1121 is slot, and draw-in groove 2011 is U-shaped card slot 2011, in fact, the connection through hole 1121 and U-shaped card slot
2011 shape is not limited thereto, and can also be other shapes, only need both coordinate, realize fixing connection.
Further, two parallel edges of connecting plate 201 all open up the draw-in groove 2011 of relative position, so as to can the company of making
Connect the relative both sides week wallboard in hole 1121 all to snap in corresponding draw-in groove 2011, significantly more efficient lift structure steel skeleton 10 connects
The reliability that connects, the intensity of lightweight girder steel.
For the intensity of lift structure steel skeleton 10, the shear force of frame of further lift structure steel skeleton 10 is acted on, by phase
The tie point of two shearing matrixes 121 of connection is arranged on the center line of connection through hole 1121, that is to say, that two shearing matrixes
Center of 121 tie point just to connection through hole 1121, can be found in shown in Fig. 2.It is arranged such, connects through hole 1121 and its surrounding
Wallboard formed unit framework corresponding with this two shearing matrix 121 formation standard shear force of frame structure, by each
Unit framework shearing structure further enhances the resistance to compression of 10 entirety of structure steel skeleton, tensile strength.
For above example, the strong part 20 also includes reinforcing plate 202, as shown in fig. 7, the reinforcing plate 202 be connected
Plate 201 vertically connects, to arrange in crux.It is arranged such, the fixing of the connection of strong part 20 is effectively lifted, and can be strengthened
The intensity of lightweight girder steel.
In a kind of specific embodiment, the width dimensions of reinforcing plate 202 work as connection less than the width dimensions of connecting plate 201
When through hole 1121 is slot, the broadside of the reinforcing plate 202 is slightly less than the minor face of the slot, and the width of connecting plate 201
While be slightly less than slot long while.In this way, in connection procedure is installed, the parallel slot of the broadside of reinforcing plate 202 short
Side, the long side of the parallel slot of the broadside of connecting plate 201, after the strong part 20 passes through slot, draw-in groove 2011 is just
During to the long side of slot, strong part 20 is rotated so that the long side of the parallel slot of the broadside of reinforcing plate 202, connecting plate
The minor face of the parallel slot of 201 broadside, so that its draw-in groove 2011 blocks all wallboards.
It should be noted that the relation between the width dimensions of the width of reinforcing plate 202 and connecting plate 201 is not limited to
This, can also make the width of reinforcing plate 202 be equal to or more than the width of connecting plate 201, and the design of its physical dimension is according to being passed through
The connection size of through hole 1121 and set, need to only make both in rotation, after inclining through connection through hole 1121, then can the company of making
The draw-in groove 2011 of fishplate bar 201 blocks all wallboards of connection through hole 1121.
Above lightweight girder steel provided by the present invention and its structure steel skeleton are described in detail.Herein only for
The specific example of the present invention is set forth, and the explanation of above specific embodiment is only intended to help and understands the method for the present invention
And its core concept.It should be pointed out that for those skilled in the art, before without departing from feature of the present invention
Put, some improvements and modifications can also be made, these improvements and modifications should also be considered as protection scope of the present invention.
Claims (12)
1. a kind of structure steel skeleton of lightweight girder steel, it is characterised in that described structure steel skeleton (10) include frame body (11) and
Two shearings body (12)；
Frame body (11) are provided with bearing substrate (111) and vertically described bearing substrate (111) connection matrix (112), and two
Individual shearing body (12) is respectively fixedly connected with the two sides of connection matrix (112)；Bearing substrate (111), institute
State connection matrix (112) and shearing body (12) all extends along the length direction of the lightweight girder steel；
Each described shearing body (12) all includes multiple shearing matrixes (121) being sequentially connected at an angle, cuts described in two
The shearing matrix (121) of power body (12) opposite position is arranged in a crossed manner.
2. the structure steel skeleton of lightweight girder steel according to claim 1, it is characterised in that described bearing substrate (111) are solid
Surely the two ends for being connected to connection matrix (112) form frame body (11) described in I shape.
3. the structure steel skeleton of lightweight girder steel according to claim 1, it is characterised in that described frame body (11) include two
Individual connected substrate, bending forms the U-shaped substrate, the bottom panel of two U-shaped substrates in the same direction for the both sides of the substrate
Docking is fixed, and two fixing bottom panels of docking form connection matrix (112), and bending plate forms the bearing substrate
(111).
4. the structure steel skeleton of the lightweight girder steel according to any one of claim 1-3, it is characterised in that the corresponding position in both sides
The crosspoint of shearing matrix (121) put is located at the center line of connection matrix (112).
5. the structure steel skeleton of lightweight girder steel according to claim 4, it is characterised in that two shearings being connected
The angle (α) of matrix (121) is 90 °.
6. the structure steel skeleton of lightweight girder steel according to claim 5, it is characterised in that the two neighboring shearing matrix
(121) join end to end.
7. a kind of lightweight girder steel, it is characterised in that the lightweight girder steel includes multigroup structure steel skeleton, the structure steel skeleton
(10) be the structure steel skeleton (10) any one of claim 1-6, the side of each structure steel skeleton (10) against
And the arranged radially along the lightweight girder steel connects.
8. lightweight girder steel according to claim 7, it is characterised in that the lightweight girder steel also includes strong part (20), institute
State strong part (20) and be connected two adjacent structure steel skeleton (10).
9. lightweight girder steel according to claim 8, it is characterised in that frame body (11) side of structure steel skeleton (10)
Face opens up multiple connections through hole (1121), and described strong part (20) include the connecting plate (201) of edge draw-in groove (2011), institute
The perisporium board of connection through hole (1121) is stated in the draw-in groove (2011).
10. lightweight girder steel according to claim 9, it is characterised in that two parallel edges of connecting plate (201)
The draw-in groove (2011) being oppositely arranged is opened up, the relative both sides week wallboard of connection through hole (1121) is respectively clamped into corresponding
In draw-in groove (2011).
11. lightweight girder steels according to claim 10, it is characterised in that two shearings matrix (121) being connected
Tie point be located at correspondence described connection through hole (1121) center line on.
The 12. lightweight girder steels according to any one of claim 8-11, it is characterised in that strong part (20) also include plus
Strong plate (202), reinforcing plate (202) are vertical with the connecting plate (201) to be connected in cross setting.
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| CN201510149732.1A CN104695623B (en) | 2015-03-31 | 2015-03-31 | A kind of lightweight girder steel and its structure steel skeleton |
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| CN201510149732.1A CN104695623B (en) | 2015-03-31 | 2015-03-31 | A kind of lightweight girder steel and its structure steel skeleton |
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| CN105888129A (en) * | 2015-10-30 | 2016-08-24 | 山东万斯达建筑科技股份有限公司 | Combination folded plate type space truss girder |
| CN109555266B (en) * | 2018-12-12 | 2020-12-18 | 长沙锦峰重工科技有限公司 | Steel structure beam column and manufacturing method thereof |
| CN110565801B (en) * | 2019-08-01 | 2021-04-23 | 浙江正豪钢结构工程有限公司 | Novel support steel construction |
| CN113893599B (en) * | 2020-07-06 | 2022-07-01 | 河北冠能石油机械制造有限公司 | Vibrating screen mesh for a shale shaker |
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| JP2841082B2 (en) * | 1989-08-08 | 1998-12-24 | 株式会社竹中工務店 | Beams with large-diameter apertures and methods of manufacturing the same |
| CN2858841Y (en) * | 2005-11-22 | 2007-01-17 | 黄世铭 | Improved structure of section steel |
| CN202430895U (en) * | 2011-12-14 | 2012-09-12 | 广东启光钢结构有限公司 | Docked H-shaped steel girder with groove type reinforcing plates |
| CN204059752U (en) * | 2014-09-18 | 2014-12-31 | 江西省辉煌建设集团有限公司 | A kind of heavier-duty Ripple Sternum |
| CN204551888U (en) * | 2015-03-31 | 2015-08-12 | 孙毅 | A kind of lightweight girder steel and structural iron skeleton thereof |
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