CN202380637U - Steel reinforced concrete composite column provided with mild steel plate at the bottom and coated with concretes - Google Patents
Steel reinforced concrete composite column provided with mild steel plate at the bottom and coated with concretes Download PDFInfo
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- CN202380637U CN202380637U CN2011204811534U CN201120481153U CN202380637U CN 202380637 U CN202380637 U CN 202380637U CN 2011204811534 U CN2011204811534 U CN 2011204811534U CN 201120481153 U CN201120481153 U CN 201120481153U CN 202380637 U CN202380637 U CN 202380637U
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Abstract
The utility model relates to a steel reinforced concrete composite column provided with a mild steel plate at the bottom and coated with concretes, comprising an inner section steel (1), a concrete (2), a longitudinal bar (4), a stirrup (5), a mild steel energy-consumption steel plate (3) and a bolt (6). According to the utility model, the steel reinforced concrete composite column provided with the mild steel plate at the bottom and coated with concretes is combination of the section steel and the concrete, combination of a bottom mild steel energy-consumption steel plate and the inner section steel, is combination of steel reinforced concretes and reinforced concretes, and is a multi-combination steel reinforced concrete composite column; the bottom mild steel energy-consumption steel plate provided by the utility model is beneficial to improving horizontal and vertical bearing capacity, ductility and energy dissipation of the composite column; because the composite column is damaged in the root of the column, the root is strengthened to effectively reduce sectional area, enlarge usable area, reduce concrete consumption, lighten self-weight of a structure, and reduce construction energy consumption, therefore, more economic benefits are provided under a condition of the same steel consumption.
Description
Technical field
The utility model relates to a kind of novel steel reinforced concrete superposed column, the steel reinforced concrete superposed column of particularly a kind of bottom band mild steel plate external wrapping concrete.
Background technology
Along with the development of production technology and the raising of people's living standard, people also improve the requirement of all kinds of buildings day by day, and safety, the comfortableness of structure all had certain requirement.Reinforced concrete post and the applied more and more of steel reinforced concrete superposed column in all kinds of high levels and super highrise building, and its superiority is respectively arranged.Reinforced concrete post has been given full play to reinforcing bar and concrete advantage separately, has good seismic resistance and fire retardant anticorrosion performance; The steel reinforced concrete superposed column has overcome the easy shortcoming that cripling and fireproof performance difference take place of shaped steel, simultaneously concrete is played effect of contraction, has given full play to shaped steel and concrete advantage.
Reinforced concrete post and steel reinforced concrete superposed column are in widespread adoption, and its shortcoming also manifests day by day.The sectional dimension of reinforced concrete post is bigger, has taken usage space, and deformability is limited; Appearing to a certain extent of steel reinforced concrete superposed column to we have solved this problem, but in superelevation layer structure, the sectional dimension of common steel reinforced concrete superposed column is still very big, and structural damage focuses mostly in the bottom of steel reinforced concrete superposed column.This strengthens design with regard to requiring us to the bottom of superposed column, gives full play to the anti-seismic performance of material, guarantees the safety of structure.
The utility model content
The utility model technical problem to be solved is the anti-vibration defense lines that increases the steel reinforced concrete superposed column, improves its anti-seismic performance.The utility model has proposed the steel reinforced concrete superposed column and the practice of a kind of bottom band mild steel plate external wrapping concrete in order to address this problem.
The technical scheme that the utility model adopts is:
The steel reinforced concrete superposed column of bottom band mild steel plate external wrapping concrete; It is characterized in that: said superposed column comprises inner shaped steel, concrete, vertical muscle, stirrup, mild-steel energy-consumption steel plate and bolt; Said inner ladle is wrapped in the said concrete; Be embedded with vertical muscle and stirrup in the outside concrete of said inner shaped steel, the superimposed mild-steel energy-consumption steel plate that is provided with of the bottom outside of said inner shaped steel, the mild-steel energy-consumption steel plate of bottom put in below ground or the basic end face and with its anchoring; Wherein, anchorage length should meet designing requirement.The arranged outside bolt of inner shaped steel makes itself and the concrete can co-operation.
Said steel reinforced concrete superposed column is square-section or circular cross-section.
Said mild-steel energy-consumption steel plate height above ground level or basic end face is 1.0h, and wherein, h is the diameter of superposed column circular cross-section or the long limit size of square-section.Just strengthened the plastic hinge territory of steel reinforced concrete superposed column bottom, delayed or avoided the destruction of steel reinforced concrete superposed column bottom, given full play to its seismic bearing capacity and energy dissipation capacity, made it under geological process, show more excellent performance.
Said inner shaped steel is I-shaped, H shape, T steel bone or angle steel.
The thickness of mild-steel energy-consumption steel plate is not less than the thickness of inner shaped steel.
The mild-steel energy-consumption steel plate adopts with inner shaped steel or does not adopt bolt to be connected.
The practice of the steel reinforced concrete superposed column of above-mentioned bottom band mild steel plate external wrapping concrete, its production order is following:
1) makes inner shaped steel and the mild-steel energy-consumption steel plate bottom it as requested;
2) two-way reservation or not prepared screw-bolt hole hole according to actual needs in the corresponding position of mild-steel energy-consumption steel plate of inner shaped steel and bottom;
3) at the bolt of the arranged outside some of inner shaped steel;
4) with the superimposed bottom outside that is arranged on inner shaped steel of mild-steel energy-consumption steel plate, inner shaped steel and mild-steel energy-consumption steel plate are carried out correct positioning and installation,, then inner shaped steel is connected fixing with the mild-steel energy-consumption steel plate through bolt if be reserved with the bolt hole before;
5) the vertical muscle and the stirrup in the inner shaped steel of the colligation outside form steel mesh reinforcement;
6) reserve the certain protection layer thickness in the steel mesh reinforcement outside, a template;
7) concrete perfusion in template is the steel reinforced concrete superposed column that the mild steel plate external wrapping concrete is with in the bottom after the moulding.
The steel reinforced concrete superposed column and the practice of the bottom band mild steel plate external wrapping concrete of the utility model; Its bottom mild-steel energy-consumption steel plate should be arranged on the stressed larger axis of inner shaped steel to the end; The thickness of mild-steel energy-consumption steel plate should not be less than the thickness of inner shaped steel, and whether the mild-steel energy-consumption steel plate can determine whether to need bolt to be connected with inner shaped steel according to actual needs; After accomplishing being connected of mild-steel energy-consumption steel plate and inner shaped steel; Colligation vertical reinforcement and stirrup; Form steel mesh reinforcement, concreting afterwards is because inner shaped steel and mild-steel energy-consumption steel plate are wrapped up by outside concrete; Can play squeezing action, be the steel reinforced concrete superposed column of bottom band mild steel plate external wrapping concrete after the moulding.
Under the frequently occurred earthquake effect, the steel reinforced concrete superposed column is stressed less, at this moment mild-steel energy-consumption steel plate and inner shaped steel friction energy-dissipating under concrete squeezing action; Concrete squeezing action has not only improved its friction energy-dissipating ability, and mild-steel energy-consumption steel plate and inner shaped steel are connected as a single entity, and its integral working is good, and rigidity is big, and intensity is also big; When under the rarely occurred earthquake effect, because the distortion of steel reinforced concrete superposed column increases, mild-steel energy-consumption steel plate and the contact of inner shaped steel weaken; Its co-operation performance degradation, they begin to give full play to separately its ductile performance and power consumption effect, and global stiffness reduces; Structural cycle is elongated; Geological process reduces, and is equivalent to increase anti-vibration defense lines one, has improved the safety of structure.
Compare with the plain edition steel concrete column under identical section, the identical load action, the steel reinforced concrete superposed column of bottom band mild steel plate external wrapping concrete has improved the shear resistance of member, realizes strong shear capacity and weak bending capacity easily; Have good ductile performance, under dynamic load especially seismic loading, can pass through the self-deformation dissipation energy, block or delay structural damage.
Beneficial effect
Compare with plain edition steel concrete superposed column, the utlity model has following advantage:
The utility model is shaped steel and the combination of concrete combination, bottom mild-steel energy-consumption steel plate and inner shaped steel and the combination of steel reinforced concrete and steel concrete, is a kind of steel reinforced concrete superposed column of Multiple Combination; The bottom mild-steel energy-consumption steel plate of the utility model helps improving level and vertical bearing capacity, ductility and the energy dissipation capacity of superposed column; Because the destruction of superposed column generally occurs in the root of post,, increase usable floor area so can effectively reduce its section area to the reinforcement of root; Concrete amount then reduces thereupon, and dead load alleviates, and builds energy consumption and reduces; Under the condition of identical steel using amount, can bring bigger economic benefit.
Description of drawings
Fig. 1 is the floor map of the circular cross-section steel reinforced concrete superposed column of bottom band mild-steel energy-consumption steel plate external wrapping concrete;
Fig. 2 is the floor map of band mild-steel energy-consumption steel plate external wrapping concrete square-section, bottom steel reinforced concrete superposed column;
Fig. 3 is the A-A sectional drawing of Fig. 1 and Fig. 2;
Wherein: the inner shaped steel of 1-, the 2-concrete, 3-mild-steel energy-consumption steel plate, 4-indulges muscle, 5-stirrup, 6-bolt, 7-ground or basic end face.
The specific embodiment
As shown in Figure 1, the steel reinforced concrete superposed column of bottom band mild steel plate external wrapping concrete comprises inner shaped steel 1, concrete 2, vertical muscle 4, stirrup 5, mild-steel energy-consumption steel plate 3 and bolt 6, and its sectional drawing is as shown in Figure 3.Inner shaped steel 1 is wrapped in the said concrete 2; Be embedded with vertical muscle 4 and stirrup 5 in the concrete 2 of inner shaped steel 1 outside; The superimposed mild-steel energy-consumption steel plate 3 that is provided with of bottom outside of inner shaped steel 1; The mild-steel energy-consumption steel plate 3 of bottom put in ground or basic end face below 7 and with its anchoring, the arranged outside bolt 6 of inner shaped steel 1.The steel reinforced concrete superposed column is a circular cross-section; The height of mild-steel energy-consumption steel plate 3 end faces 7 above ground level or basic is 1.0h; Wherein, h is the diameter of superposed column circular cross-section, and inner shaped steel 1 is I-shaped reinforcing bar; The thickness of mild-steel energy-consumption steel plate 3 is not less than the thickness of inner shaped steel 1, and mild-steel energy-consumption steel plate 3 is connected (not shown) with inner shaped steel 1 according to actual conditions decision employing bolt.
Its production order is following:
1) makes inner shaped steel 1 and the mild-steel energy-consumption steel plate 3 bottom it as requested;
2) the two-way reservation bolt hole according to actual needs in the mild-steel energy-consumption steel plate 3 corresponding positions of inner shaped steel 1 and bottom;
3) at the bolt 6 of the arranged outside some of inner shaped steel 1;
4) with the mild-steel energy-consumption steel plate 3 superimposed bottom outside that are arranged on inner shaped steel 1, inner shaped steel 1 is carried out correct positioning and installation with mild-steel energy-consumption steel plate 3, inner shaped steel 1 is connected fixing with mild-steel energy-consumption steel plate 3 through bolt 6;
5) the vertical muscle 4 and stirrup 5 in the inner shaped steel of colligation 1 outside form steel mesh reinforcement;
6) reserve the certain protection layer thickness in the steel mesh reinforcement outside, a template;
7) concrete perfusion 2 in template is the steel reinforced concrete superposed column that the mild steel plate external wrapping concrete is with in the bottom after the moulding.
The steel reinforced concrete superposed column of bottom band mild steel plate external wrapping concrete and the another kind of form of structure of the practice are as shown in Figure 2, and its sectional drawing is as shown in Figure 3.The superposed column outer shape is a rectangle, and other form of structure is identical with embodiment 1.
Claims (6)
1. the steel reinforced concrete superposed column of bottom band mild steel plate external wrapping concrete; It is characterized in that: said superposed column comprises inner shaped steel (1), concrete (2), vertical muscle (4), stirrup (5), mild-steel energy-consumption steel plate (3) and bolt (6); Said inner shaped steel (1) is wrapped in the said concrete (2); Be embedded with vertical muscle (4) and stirrup (5) in the concrete (2) of said inner shaped steel (1) outside; The superimposed mild-steel energy-consumption steel plate (3) that is provided with of the bottom outside of said inner shaped steel (1); The mild-steel energy-consumption steel plate (3) of bottom put in below ground or the basic end face (7) and with its anchoring, the arranged outside of inner shaped steel (1) has bolt (6).
2. the steel reinforced concrete superposed column of bottom as claimed in claim 1 band mild steel plate external wrapping concrete, it is characterized in that: said steel reinforced concrete superposed column is square-section or circular cross-section.
3. the steel reinforced concrete superposed column of bottom as claimed in claim 2 band mild steel plate external wrapping concrete; It is characterized in that: the height of said mild-steel energy-consumption steel plate (3) end face above ground level or basic (7) is 1.0h; Wherein, h is the diameter of superposed column circular cross-section or the long limit size of square-section.
4. the steel reinforced concrete superposed column of bottom as claimed in claim 1 band mild steel plate external wrapping concrete is characterized in that: said inner shaped steel (1) is I-shaped, H shape, T steel bone or angle steel.
5. the steel reinforced concrete superposed column of bottom as claimed in claim 1 band mild steel plate external wrapping concrete is characterized in that: the thickness of mild-steel energy-consumption steel plate (3) is not less than the thickness of inner shaped steel (1).
6. the steel reinforced concrete superposed column of bottom as claimed in claim 1 band mild steel plate external wrapping concrete is characterized in that: mild-steel energy-consumption steel plate (3) adopts with inner shaped steel (1) or does not adopt bolt (6) to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204811534U CN202380637U (en) | 2011-11-28 | 2011-11-28 | Steel reinforced concrete composite column provided with mild steel plate at the bottom and coated with concretes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204811534U CN202380637U (en) | 2011-11-28 | 2011-11-28 | Steel reinforced concrete composite column provided with mild steel plate at the bottom and coated with concretes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202380637U true CN202380637U (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204811534U Withdrawn - After Issue CN202380637U (en) | 2011-11-28 | 2011-11-28 | Steel reinforced concrete composite column provided with mild steel plate at the bottom and coated with concretes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202380637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409807A (en) * | 2011-11-28 | 2012-04-11 | 北京工业大学 | Steel reinforced concrete laminated column with mild steel plate surrounding concrete at bottom and manufacturing method thereof |
| CN103924740A (en) * | 2014-04-10 | 2014-07-16 | 北京工业大学 | H-shaped steel bone-confined concrete column with round steel draw bars and fabrication method of column |
-
2011
- 2011-11-28 CN CN2011204811534U patent/CN202380637U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409807A (en) * | 2011-11-28 | 2012-04-11 | 北京工业大学 | Steel reinforced concrete laminated column with mild steel plate surrounding concrete at bottom and manufacturing method thereof |
| CN102409807B (en) * | 2011-11-28 | 2013-08-14 | 北京工业大学 | Steel reinforced concrete laminated column with mild steel plate surrounding concrete at bottom and manufacturing method thereof |
| CN103924740A (en) * | 2014-04-10 | 2014-07-16 | 北京工业大学 | H-shaped steel bone-confined concrete column with round steel draw bars and fabrication method of column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120815 Effective date of abandoning: 20130814 |
|
| RGAV | Abandon patent right to avoid regrant |