CN202831393U

CN202831393U - Lattice type section steel column and combination column

Info

Publication number: CN202831393U
Application number: CN2012204029109U
Authority: CN
Inventors: 杨峰; 赵银海
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-15
Filing date: 2012-08-15
Publication date: 2013-03-27
Anticipated expiration: 2022-08-15

Abstract

A lattice type section steel column comprises a lattice type lower column and an H-shaped upper column and is characterized in that the section of the lattice type lower column is in a rectangle shape, the lattice type lower column is composed of four steel angle upright rods and an oblique web rod, the four steel angle upright rods are located on four corners of the rectangle section, and the lower end of the H-shaped upper column stretches into the lattice type lower column by a certain length. The lattice type section steel column is large in stiffness and little in steel dosage. The chord rods and the web rod of columns are fully stressed in a combination column, steel dosage of the columns is saved greatly, and construction of formwork erecting is safe and fast.

Description

A kind of lattice steel column and coupled column

Technical field

The utility model relates to a kind of post of building, relates in particular to a kind of steel bar concrete coupled column of large tonnage crane single-storey factory building.

Background technology

There is the single-storey factory building post of large-tonnage bridge crane usually to adopt the lattice steel column and connects mutually with the bolt of basis with thick diameter, this post cost is high, fireproof performance is poor, and the applicant is at the disclosed a kind of steel of first to file and concrete combined column, when factory building height is larger, H steel column in the post is in the roofing construction stage and lower prop concrete when also not watering, the post distortion can be very large, and H steel intensity in coupled column is not in full use, post need be joined a large amount of reinforcing bars satisfying the flexural strength requirement, so steel using amount is large, is out of shape also larger, a kind of large in Steel Structure Installation stage rigidity, the coupled column that the shaped steel after the combination in the steel column can be used as again steel bar concrete master muscle yet there are no report.

The utility model content

Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, and a kind of double-deformation is little, flexural strength is large lattice steel column and coupled column are provided, and the job practices of coupled column is provided simultaneously.

A kind of lattice steel column that provides according to the utility model, comprise structure form lower prop and H steel upper prop, the lattice lower prop is the square-section, described structure form lower prop is comprised of the four angle steel vertical rods and the oblique web member that are positioned at four jiaos of square-sections, and certain-length in the described structure form lower prop is stretched in described H steel upper prop lower end.

A kind of lattice steel column that provides according to the utility model also has following attached technical characterictic:

Described web member is positioned at the inboard of described vertical rod, and is welded to connect with described vertical rod.

The vertical rod lower end level of described structure form lower prop is welded with the steel plate base, and described angle steel vertical rod outside level is welded with the angle steel connecting rod.

The upper and lower side of described H steel upper prop all is welded with the end plate of vertical H steel upper prop, and described end plate is provided with through hole.

A kind of lattice steel column that provides according to the utility model and the coupled column of steel bar concrete, combined by lattice steel column and steel bar concrete, described lattice steel column comprises structure form lower prop and H steel upper prop, the lattice lower prop is the square-section, described structure form lower prop is comprised of the four angle steel vertical rods and the oblique web member that are positioned at four jiaos of square-sections, certain-length in the described structure form lower prop is stretched in described H steel upper prop lower end, is enclosed with the concrete cylinder on the described lower prop, and described concrete cylinder is embedded with reinforcing bar.

The coupled column that provides according to the utility model also further has following attached technical characterictic:

Described cylinder top and/or middle part are provided with bracket at least, and described bracket is embedded with reinforcing bar, and described bracket upper surface is embedding joint bar or embedded part.

Described cylinder only a side has bracket the time, the post opposite side vertically be embedded with cover have sleeve pipe without bolt knot prestress wire.

Imbed across a certain distance mutually hollow box or solid foam piece in the described cylinder.

A kind of lattice steel column, the coupled column that provide according to the utility model compared with prior art have following advantage:

1, lattice steel column rigidity is large, and steel using amount is little, and the chord member of post and web member all can be fully stressed in coupled column, greatly save the steel using amount of post.

2, the lattice post directly inserts the rim of a cup in the basis, has saved pre-buried large diameter bolt operation, has not only reduced cost but also improved the connection reliability of post with the basis.

3, steel column just can be installed the steel roofing after installing, and the roofing installation is constructed synchronously with coupled column or be complete prior to the post construction, and the shortening construction period, execution conditions improve.

4, heavy in section rectangle coupled column two-way stiffness is large, and the capital distortion is little, and the concrete post is prevented fires, antiseptic property is good, and cost is far below steel column.

5, apply prestressing force in the side without bracket, can further improve the bending rigidity of post, reduce the capital displacement.

6, when column section is large especially, embedding lightweight box and foam block in the post can suitably alleviate the post deadweight.

Description of drawings

Fig. 1 is the front view of lattice steel column of the present utility model.

Fig. 2 is facade of the present utility model and arrangement of reinforcement.

Fig. 3 is the stereogram of the utility model coupled column.

Fig. 4 is the sectional view of the A-A of the utility model Fig. 2.

Fig. 5 is the B-B section of the utility model Fig. 3.

The specific embodiment

Referring to Fig. 1 to Fig. 5, the embodiment of a kind of lattice steel column that provides at the utility model, comprise structure form lower prop 1 and H steel upper prop 2, lattice lower prop 1 is the square-section, described structure form lower prop 1 is comprised of with oblique web member 12 the four angle steel vertical rods 11 that are positioned at four jiaos of square-sections, and certain-length in the described structure form lower prop 1 is stretched in described H steel upper prop 2 lower ends.Lattice lower prop 1 in the utility model adopts the web member that diagonally distributes 12 of vertical rod 11 and connecting upright pole 11 to consist of, this stabilized structure, and rigidity is large, and steel using amount is few.

Referring to Fig. 1 to Fig. 4, in above-described embodiment that the utility model provides, described web member 12 is positioned at the inboard of described vertical rod 11, and is welded to connect with described vertical rod 11.The described vertical rod 11 of described web member 12 oblique connections, angle steel is adopted in described web member 12 and vertical rod 11, and this structure is difficult for deforming, good stability.

Referring to Fig. 1 to Fig. 4, in above-described embodiment that the utility model provides, the vertical rod 11 lower end levels of described structure form lower prop 1 are welded with steel plate base 13, and described angle steel vertical rod 11 outside levels are welded with angle steel connecting rod 14.Described base 13 is used for supporting described lattice lower prop, and described connecting rod 14 is used for the fixedly bottom of lower prop 1.This structure further improves the stability of steel column.

Referring to Fig. 1 and Fig. 2, in above-described embodiment that the utility model provides, the upper and lower side of described H steel upper prop 2 all is welded with the end plate 21 of vertical H steel upper prop, and described end plate 21 is provided with through hole 22.Described end 21 is used for connecting the post of described lattice lower prop 1 and last layer, and described through hole 22 is used for installation connecting element.This structure is convenient to be connected with miscellaneous part.

The embodiment of a kind of lattice steel column that provides according to the utility model and the coupled column of steel bar concrete, combined by lattice steel column 10 and steel bar concrete, described lattice steel column 10 is the described lattice steel column of above-described embodiment, be enclosed with concrete cylinder 20 on the described lattice lower prop 1, described concrete cylinder 20 is embedded with reinforcing bar 30.Coupled column in the utility model, at lattice lower prop increase reinforcing bar and the concrete of steel column, coupled column steel using amount of the present utility model is little, the fire retardant anticorrosion performance is good, and bending rigidity is large.

Referring to Fig. 1 and Fig. 5, in above-described embodiment that the utility model provides, the vertical main muscle 301 of the part in the described reinforcing bar 30 is highly different, and the lower end of this part vertical main muscle 301 all anchors in the basis.The bottom of main muscle 301 all anchors in the basis of coupled column, and the height of upper end is different.Part vertical reinforcement in the described reinforcing bar in the utility model is as main muscle, and the Partial Height in the vertical main muscle 301 of this part is different, and is namely different in size.The what is called here is highly different to refer to that the height difference of each root master muscle or the main muscle of part are different with the height of other a part of main muscle.The purpose that arranges like this is in the situation of the requirement of satisfying coupled column intensity, reduces the use amount of main muscle, has saved cost.

Referring to Fig. 1 and Fig. 5, in above-described embodiment that the utility model provides, described cylinder 20 tops and/or middle part are provided with bracket 3 at least, and described bracket 3 is embedded with reinforcing bar 31, and described bracket 3 upper surfaces are embedding joint bar or embedded part 32.The utility model arranges bracket 3 at cylinder 20, and described bracket 3 stretches out cylinder 20 part-structures, is used for supporting external structure.Described reinforcing bar 31 can strengthen the intensity of described bracket 3, and described joint bar or embedded part 32 are suitable for being connected with external component.

Referring to Fig. 1 and Fig. 5, in above-described embodiment that the utility model provides, an only side of described cylinder 20 has bracket 3, its opposite side vertically be embedded with cover have sleeve pipe without bolt knot prestress wire 4.The power that can the balance described bracket of described steel strand 43 is suffered improves the bending rigidity of a direction of coupled column.

Referring to Fig. 1 and Fig. 5, in above-described embodiment that the utility model provides, described cylinder 20 interior phases are imbedded hollow box or solid foam concrete piece 5 across a certain distance.Described hollow box or solid foam concrete piece 5 can reduce the consumption of concrete, reduce the weight of coupled column.

The job practices of a kind of lattice shaped steel combination post that provides according to the utility model is to construct according to the following steps:

A, water and smash reinforced concrete base, in the basis, stay the rectangle rim of a cup of establishing certain depth, be embedded with joint bar around the rim of a cup,

B, in rim of a cup, insert the lattice steel column, straightening lattice steel column and with basic fixation, described lattice steel column is the lattice steel column structure in above-described embodiment.

C, around the lattice steel column the vertical main muscle of colligation and stirrup, vertical main muscle extends at the bottom of the rim of a cup hole, the upper end exceeds basic end face certain-length, the Partial Height in the described vertical main muscle is different, the use amount that can save main muscle.

D, in the rectangle rim of a cup, water and smash concrete,

The peripheral reinforcing bar of E, spreading vertical reinforcement and colligation lattice steel column and bracket reinforcing bar,

F, at the peripheral formwork supporting plate of lattice steel column,

Water concrete in G, the template to the bracket end face,

H, concrete reach stripping behind the some strength.

But for the construction merogenesis construction of multiple layer combination post, it is poly-that every joint construction repeats E to the H step.

The coupled column rigidity that job practices of the present utility model is made is large, cost is economized, and can satisfy the needs of driving factory building.

Claims

1. lattice steel column, comprise structure form lower prop and H steel upper prop, it is characterized in that the lattice lower prop is the square-section, described structure form lower prop is comprised of the four angle steel vertical rods and the oblique web member that are positioned at four jiaos of square-sections, and certain-length in the described structure form lower prop is stretched in described H steel upper prop lower end.

2. lattice steel column as claimed in claim 1 is characterized in that described web member is positioned at the inboard of described vertical rod, and is welded to connect with described vertical rod.

3. lattice steel column as claimed in claim 1 is characterized in that the vertical rod lower end level of described structure form lower prop is welded with the steel plate base, and described angle steel vertical rod outside level is welded with the angle steel connecting rod.

4. lattice steel column as claimed in claim 1 is characterized in that the upper and lower side of described H steel upper prop all is welded with the end plate of vertical H steel upper prop, and described end plate is provided with through hole.

5. the coupled column of a lattice steel column and steel bar concrete, combined by lattice steel column and steel bar concrete, it is characterized in that described lattice steel column is the described lattice steel column of the claims 1 to 4 arbitrary claim, be enclosed with the concrete cylinder on the described lattice lower prop, described concrete cylinder is embedded with reinforcing bar.

6. coupled column as claimed in claim 5 is characterized in that the vertical main muscle height of part in the described reinforcing bar is different, and the lower end of this part vertical main muscle all anchors in the basis.

7. coupled column as claimed in claim 5 is characterized in that described cylinder top and/or middle part are provided with bracket at least, and described bracket is embedded with reinforcing bar, and described bracket upper surface is embedding joint bar or embedded part.

8. coupled column as claimed in claim 5, it is characterized in that described cylinder only a side has bracket the time, the post opposite side vertically be embedded with cover have sleeve pipe without bolt knot prestress wire.

9. coupled column as claimed in claim 5 is characterized in that imbedding across a certain distance mutually in the described cylinder hollow box or solid foam piece.