CN102852282B - The coupled column of a kind of lattice steel column and reinforced concrete and construction method - Google Patents
The coupled column of a kind of lattice steel column and reinforced concrete and construction method Download PDFInfo
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- CN102852282B CN102852282B CN201210289360.9A CN201210289360A CN102852282B CN 102852282 B CN102852282 B CN 102852282B CN 201210289360 A CN201210289360 A CN 201210289360A CN 102852282 B CN102852282 B CN 102852282B
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Abstract
A kind of lattice steel column, including structure form lower prop and H steel upper prop, it is characterized in that lattice lower prop is square-section, described structure form lower prop is made up of with oblique web member the four angle steel vertical rods being positioned at corner, square-section, and certain length in described structure form lower prop is stretched in described H steel upper prop lower end.Lattice steel column rigidity is big, and steel using amount is little, the chord member of post and web member all can in coupled column abundant stress, be greatly saved the steel using amount of post.
Description
Technical field
The present invention relates to the post of a kind of building, particularly relate to the reinforced concrete coupled column of a kind of large tonnage crane single-storey factory building.
Background technology
The single-storey factory building post having large-tonnage bridge crane generally uses lattice steel column and is linked with the basis bolt of thick diameter, this post cost is high, fire protecting performance is poor, and a kind of steel and concrete combined column disclosed in applicant's earlier application, when factory building height is bigger, H steel column in post is not time in the roofing construction stage, lower prop concrete also waters, post deformation can be the biggest, and H steel intensity in coupled column is not in full use, post need to join a large amount of reinforcing bar to meet bending strength requirement, therefore steel using amount is big, deform the biggest, a kind of big in Steel Structure Installation stage rigidity, after combination, the shaped steel in steel column can have not been reported as the coupled column of the main muscle of reinforced concrete again.
Summary of the invention
The technical problem to be solved is to overcome the deficiency of above-mentioned prior art, it is provided that a kind of double-deformation is little, bending strength is big lattice steel column and coupled column, and provides the construction method of coupled column simultaneously.
A kind of lattice steel column provided according to the present invention, including lattice lower prop and H steel upper prop, lattice lower prop is square-section, described lattice lower prop is made up of with oblique web member the four angle steel vertical rods being positioned at corner, square-section, and certain length in described lattice lower prop is stretched in described H steel upper prop lower end.
A kind of lattice steel column provided according to the present invention also has a following attached technical characteristic:
Described web member is positioned at the inner side of described vertical rod, and is welded to connect with described vertical rod.
The vertical rod lower end level of described lattice lower prop is welded with steel plate base, and outside described angle steel vertical rod, level is welded with angle steel connecting rod.
The upper and lower side of described H steel upper prop is all 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 provided according to the present invention and the coupled column of reinforced concrete, combined by lattice steel column and reinforced concrete, described lattice steel column includes lattice lower prop and H steel upper prop, lattice lower prop is square-section, described lattice lower prop is made up of with oblique web member the four angle steel vertical rods being positioned at corner, square-section, certain length in described lattice lower prop is stretched in described H steel upper prop lower end, and described lower prop is enclosed with concrete cylinder, and described concrete cylinder is embedded with reinforcing bar.
The coupled column provided according to the present invention further has following attached technical characteristic:
Described cylinder top and/or middle part are at least provided with bracket, and described bracket is embedded with reinforcing bar, and described bracket upper surface is embedding joint bar or embedded part.
When only there is bracket side of described cylinder, post opposite side be vertically embedded be cased with sleeve pipe without bolt tie prestress wire.
Described cylinder internal phase imbeds hollow box or solid foam block across a certain distance.
According to the construction method of a kind of lattice shaped steel combination post that the present invention provides, it is characterized in that constructing according to the following steps:
A, watering and smash reinforced concrete base, stay the rectangle rim of a cup setting certain depth in basis, rim of a cup surrounding is embedded with post joint bar,
B, in rim of a cup insert lattice steel column, straightening post and with basis fixation,
C, at lattice steel column surrounding colligation vertical reinforcement and stirrup, vertical reinforcement extends at the bottom of rim of a cup hole, upper end exceed basis end face certain length,
D, water in rectangle rim of a cup and smash concrete,
E, spreading vertical reinforcement colligation lattice steel column periphery reinforcing bar and bracket reinforcing bar,
F, at lattice steel column periphery formwork supporting plate,
Concrete is watered to bracket end face in G, template,
H, concrete reach form removal after some strength.
Construction for multiple layer combination post can merogenesis construction, often joint construction repetition E to H step.
A kind of lattice steel column, coupled column and the construction method that there is provided according to the present invention compared with prior art have the advantage that
1, lattice steel column rigidity is big, and steel using amount is little, the chord member of post and web member all can in coupled column abundant stress, be greatly saved the steel using amount of post.
2, the rim of a cup that lattice post is inserted directly in basis, eliminates pre-buried large diameter bolt operation, not only reduces cost but also improve the connection reliability of post and basis.
3, steel column just can install steel roofing after installing, and roofing is installed Tong Bu with coupled column construction or complete prior to post construction, shortens the construction period, and execution conditions improve.
4, heavy in section rectangle coupled column two-way stiffness is big, and capital deformation is little, and concrete post is prevented fires, antiseptic property is good, and cost is far below steel column.
5, at the side Shi Hanzhang without bracket, the bending rigidity of post can be improved further, reduce capital displacement.
6, when column section is the biggest, embedding lightweight box and foam block in post, can suitably alleviate post deadweight.
Accompanying drawing explanation
Fig. 1 is the front view of the lattice steel column of the present invention.
Fig. 2 is facade and the arrangement of reinforcement of the present invention.
Fig. 3 is the axonometric chart of coupled column of the present invention.
Fig. 4 is the sectional view of the A-A of Fig. 2.
Fig. 5 is the B B section of Fig. 3.
Detailed description of the invention
See Fig. 1 to Fig. 5, embodiment at a kind of lattice steel column that the present invention is given, including lattice lower prop 1 and H steel upper prop 2, lattice lower prop 1 is square-section, described lattice lower prop 1 is made up of with oblique web member 12 the four angle steel vertical rods 11 being positioned at corner, square-section, and certain length in described lattice lower prop 1 is stretched in described H steel upper prop 2 lower end.Lattice lower prop 1 in the present invention uses the web member 12 diagonally distributed of vertical rod 11 and connecting upright pole 11 to constitute, this stabilized structure, and rigidity is big, and steel using amount is few.
Seeing Fig. 1 to Fig. 4, in above-described embodiment that the present invention is given, described web member 12 is positioned at the inner side of described vertical rod 11, and is welded to connect with described vertical rod 11.The described web member 12 described vertical rod of oblique connection 11, described web member 12 and vertical rod 11 use angle steel, this structure to be not susceptible to deformation, good stability.
Seeing Fig. 1 to Fig. 4, in above-described embodiment that the present invention is given, the vertical rod 11 lower end level of described lattice lower prop 1 is welded with steel plate base 13, and outside described angle steel vertical rod 11, level is welded with angle steel connecting rod 14.Described base 13 is used for supporting described lattice lower prop, and described connecting rod 14 is for fixing the bottom of lower prop 1.This structure improves the stability of steel column further.
Seeing Fig. 1 and Fig. 2, in above-described embodiment that the present invention is given, the upper and lower side of described H steel upper prop 2 is all welded with the end plate 21 of vertical H steel upper prop, and described end plate 21 is provided with through hole.Described end plate 21 is for connecting described lattice lower prop 1 and the post of last layer, and described through hole is used for installation connecting element.This structure is convenient to be attached with miscellaneous part.
A kind of lattice steel column provided according to the present invention and the embodiment of the coupled column of reinforced concrete, combined by lattice steel column 10 and reinforced concrete, described lattice steel column 10 is the lattice steel column described in above-described embodiment, being enclosed with concrete cylinder 20 on described lattice lower prop 1, described concrete cylinder 20 is embedded with reinforcing bar 30.Coupled column in the present invention, increases reinforcing bar and concrete on the lattice lower prop of steel column, and the coupled column steel using amount of the present invention is little, fire retardant anticorrosion performance is good, and bending rigidity is big.
Seeing Fig. 1 and Fig. 5, in above-described embodiment that the present invention is given, the vertical main muscle 301 of part in described reinforcing bar 30 is the most different, and the lower end of the vertical main muscle 301 of this part all anchors in basis.The bottom of vertical main muscle 301 all anchors in the basis of coupled column, and the height of upper end is different.The part vertical reinforcement in described reinforcing bar in the present invention is as main muscle, and the Partial Height in the vertical main muscle 301 of this part is different, the most different in size.Here what is called is highly different refers to that different or the main muscle of part muscle main from another part the height of height of each main muscle is different.The purpose so arranged is in the case of the requirement meeting coupled column intensity, reduces the usage amount of main muscle, has saved cost.
Seeing Fig. 1 and Fig. 5, in above-described embodiment that the present invention is given, described concrete cylinder 20 top and/or middle part are at least provided with bracket 3, and described bracket 3 is embedded with reinforcing bar 31, and described bracket 3 upper surface is embedding joint bar or embedded part 32.The present invention arranges bracket 3 on concrete cylinder 20, and described bracket 3 stretches out concrete cylinder 20 part-structure, is used for supporting external structure.Described reinforcing bar 31 can strengthen the intensity of described bracket 3, described joint bar or embedded part 32 and be suitable to be attached with external component.
Seeing Fig. 1 and Fig. 5, in above-described embodiment that the present invention is given, there is bracket 3 the only side of described concrete cylinder 20, its opposite side be vertically embedded be cased with sleeve pipe without bolt tie prestress wire 4.Described steel strand wires 4 can balance the power suffered by described bracket 3, improves the bending rigidity in a direction of coupled column.
Seeing Fig. 1 and Fig. 5, in above-described embodiment that the present invention is given, described concrete cylinder 20 internal phase imbeds hollow box or solid foam concrete block 5 across a certain distance.Described hollow box or solid foam concrete block 5 can reduce the consumption of concrete, reduce the weight of coupled column.
According to the construction method of a kind of lattice shaped steel combination post that the present invention provides, it is construction according to the following steps:
A, watering and smash reinforced concrete base, stay the rectangle rim of a cup setting certain depth in basis, rim of a cup surrounding is embedded with joint bar,
B, in rim of a cup insert lattice steel column, straightening lattice steel column and with basis fixation, described lattice steel column is the lattice steel column structure in above-described embodiment.
C, at the lattice vertical main muscle of steel column surrounding colligation and stirrup, vertical main muscle extends at the bottom of rim of a cup hole, and upper end exceeds basis end face certain length, and Partial Height in described vertical main muscle is different, can save the usage amount of main muscle.
D, water in rectangle rim of a cup and smash concrete,
E, spreading vertical reinforcement colligation lattice steel column periphery reinforcing bar and bracket reinforcing bar,
F, at lattice steel column periphery formwork supporting plate,
Concrete is watered to bracket end face in G, template,
H, concrete reach form removal after some strength.
Construction for multiple layer combination post can be constructed by merogenesis, and often joint construction repetition E to H step is gathered.
The coupled column rigidity that the construction method of the present invention makes is big, cost saves, it is possible to meet the needs of driving Factory Building.
Claims (10)
1. a lattice steel column and the coupled column of reinforced concrete, combined by lattice steel column and reinforced concrete, it is characterized in that described lattice steel column includes lattice lower prop and H steel upper prop, described lattice lower prop is square-section, described lattice lower prop is made up of with oblique web member the four angle steel vertical rods being positioned at corner, square-section, certain length in described lattice lower prop is stretched in described H steel upper prop lower end, and described lattice lower prop is enclosed with concrete cylinder, and described concrete cylinder is embedded with reinforcing bar.
2. coupled column as claimed in claim 1, is characterized in that described web member is positioned at the inner side of described vertical rod, and is welded to connect with described vertical rod.
3. coupled column as claimed in claim 1, is characterized in that the vertical rod lower end level of described lattice lower prop is welded with steel plate base, and outside described angle steel vertical rod, level is welded with angle steel connecting rod.
4. coupled column as claimed in claim 1, is characterized in that the upper and lower side of described H steel upper prop is all welded with the end plate of vertical H steel upper prop, and described end plate is provided with through hole.
5. coupled column as claimed in claim 1, is characterized in that the vertical main muscle height of the part in described reinforcing bar is different, and the lower end of the vertical main muscle of this part all anchors in basis.
6. coupled column as claimed in claim 1, it is characterized in that described cylinder top and/or middle part at least provided with bracket, described bracket is embedded with reinforcing bar, and described bracket upper surface is embedding joint bar or embedded part.
7. coupled column as claimed in claim 1, it is characterized in that when only there is bracket side of described cylinder, post opposite side be vertically embedded be cased with sleeve pipe without bolt knot prestress wire.
8. coupled column as claimed in claim 1, is characterized in that described cylinder internal phase imbeds hollow box or solid foam block across a certain distance.
9. a construction method for lattice shaped steel combination post, is characterized in that constructing according to the following steps:
A, watering and smash reinforced concrete base, stay the rectangle rim of a cup setting certain depth in basis, rim of a cup surrounding is embedded with post joint bar,
B, inserting lattice steel column in rim of a cup, straightening lattice steel column also fixes with basis,
C, at the lattice vertical main muscle of steel column surrounding colligation and stirrup, vertical main muscle extends at the bottom of rim of a cup hole, upper end exceed basis end face certain length,
D, water in rectangle rim of a cup and smash concrete,
E, spreading vertical reinforcement colligation lattice steel column periphery reinforcing bar and bracket reinforcing bar,
F, at lattice steel column periphery formwork supporting plate,
Concrete is watered to bracket end face in G, template,
H, concrete reach form removal after some strength.
10. construction method as claimed in claim 9, is characterized in that the construction of multiple layer combination post can merogenesis construction, often joint construction repetition E to H step.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210289360.9A CN102852282B (en) | 2012-08-15 | 2012-08-15 | The coupled column of a kind of lattice steel column and reinforced concrete and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210289360.9A CN102852282B (en) | 2012-08-15 | 2012-08-15 | The coupled column of a kind of lattice steel column and reinforced concrete and construction method |
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| CN102852282A CN102852282A (en) | 2013-01-02 |
| CN102852282B true CN102852282B (en) | 2016-08-03 |
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Citations (6)
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| CN1338548A (en) * | 2000-08-11 | 2002-03-06 | 许琦 | Truss with steel frame for reinforced concrete structure |
| JP2006118162A (en) * | 2004-10-20 | 2006-05-11 | East Japan Railway Co | Seismically reinforced concrete member and method of manufacturing the same |
| KR100706641B1 (en) * | 2006-12-12 | 2007-04-13 | (주)휴먼아키피아종합건축사사무소 | Reinforce structure of iron frame pier for building |
| CN101403246A (en) * | 2008-10-30 | 2009-04-08 | 杨峰 | Large-tonnage hoisting machine one-storied factory combination column and production method thereof |
| CN201835435U (en) * | 2010-09-28 | 2011-05-18 | 杨峰 | Prestressed reinforced concrete precast column |
| CN202831393U (en) * | 2012-08-15 | 2013-03-27 | 杨众 | Lattice type section steel column and combination column |
-
2012
- 2012-08-15 CN CN201210289360.9A patent/CN102852282B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338548A (en) * | 2000-08-11 | 2002-03-06 | 许琦 | Truss with steel frame for reinforced concrete structure |
| JP2006118162A (en) * | 2004-10-20 | 2006-05-11 | East Japan Railway Co | Seismically reinforced concrete member and method of manufacturing the same |
| KR100706641B1 (en) * | 2006-12-12 | 2007-04-13 | (주)휴먼아키피아종합건축사사무소 | Reinforce structure of iron frame pier for building |
| CN101403246A (en) * | 2008-10-30 | 2009-04-08 | 杨峰 | Large-tonnage hoisting machine one-storied factory combination column and production method thereof |
| CN201835435U (en) * | 2010-09-28 | 2011-05-18 | 杨峰 | Prestressed reinforced concrete precast column |
| CN202831393U (en) * | 2012-08-15 | 2013-03-27 | 杨众 | Lattice type section steel column and combination column |
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| CN102852282A (en) | 2013-01-02 |
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Address after: Jiangdong District Baizhang road 315000 in Zhejiang province Ningbo City Exhibition Center No. 168 28C Applicant after: Yang Zhong Applicant after: Yang Feng Address before: 315000, AUX Road, No. 757 Li RI Road, Yinzhou District, Ningbo, Zhejiang, 502 Applicant before: Yang Zhong Applicant before: Yang Feng |
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