CN202017257U - Large-span transformational structure for high-rise building - Google Patents
Large-span transformational structure for high-rise building Download PDFInfo
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- CN202017257U CN202017257U CN2011200901391U CN201120090139U CN202017257U CN 202017257 U CN202017257 U CN 202017257U CN 2011200901391 U CN2011200901391 U CN 2011200901391U CN 201120090139 U CN201120090139 U CN 201120090139U CN 202017257 U CN202017257 U CN 202017257U
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Abstract
The utility model discloses a large-span transformational structure for a high-rise building. The large-span transformational structure comprises profile steel concrete beams (1) and profile steel concrete columns (2); the profile steel concrete beams (1) are supported on the profile steel concrete columns (2); and each profile steel concrete beam (1) is a whole structure which is formed by in-built profile steel (12) and outward-coated reinforced concrete. Each profile steel concrete column (2) is a whole structure which is formed by the in-built profile steel (12) and outward-coated reinforced concrete. The steel concrete beams and the steel concrete columns are all whole structures which are formed by the in-built profile steel and the outward-coated reinforced concrete. When the span of a transformational beam is very large and the load of the transformational beam is heavy, the beam height of the transformational beam can be effectively reduced due to the adoption of the profile steel concrete transformational beams, namely the section height of the transformational large beam can be reduced and the bearing capacity is increased, and more using space is created for an owner. The large-span transformational structure has an ingenious design, and good performance, is convenient and practicable, and gains good economic benefit for building enterprises.
Description
Technical field
The utility model is a kind of large span transformational structure of highrise building, belongs to the renovation technique of the large span transformational structure of highrise building.
Background technology
Along with the develop rapidly of China's urban construction, the form of structure of highrise building is increasingly sophisticated, in highrise building, in order to satisfy owner's requirement, create bigger space, the transformational structure of large span has become necessary part, has therefore also produced large span steel reinforced concrete transformational structure.The steel reinforced concrete member forms integral body by built-in shaped steel and encased steel reinforced concrete, and is stressed jointly.Its stress performance is better than the simple superposition of two kinds of structures, compare with reinforced concrete member with traditional steel member, have following advantage: (1) is compared with steel work, external wrapping concrete can prevent the cripling unstability of steel member, improve the anti-pressure ability of steel member, the intensity of steel is fully played; In addition.External wrapping concrete has overcome the defective of aspects such as the refractoriness of steel and antirust, anti-corrosive, has reduced the frequent maintenance cost of the steel member in the normal use, has improved durability of structures; Utilize concrete compressive property simultaneously.Steel have been saved greatly than steel work, less construction cost.(2) compare with reinforced concrete structure, built-in shaped steel has improved bearing of component greatly, can improve bearing capacity more than 1 times with section structural member, and this has just reduced the sectional dimension of member effectively, and is obvious to increasing effective usable floor area and improving the clear height effect; Play a role jointly with built-in shaped steel simultaneously, improved the shear-carrying capacity of member.Improve the fragility condition of member sheared destruction, strengthened the ductility of member, promoted the anti-seismic performance of structure.The existing earthquake resistant code of China is advocated on some important members and is used steel reinforced concrete.But steel reinforced concrete does not use in the large span transformational structure of highrise building.
The utility model content
The purpose of this utility model is to consider the problems referred to above and a kind of depth of section that reduces the conversion crossbeam is provided, and creates the large span transformational structure of the highrise building of bigger usage space for the owner.The utility model is reasonable in design, but building enterprise obtains favorable economic benefit.
The technical solution of the utility model is: the large span transformational structure of highrise building of the present utility model, include girder with rolled steel section en cased in concrete and profile steel concrete column, and girder with rolled steel section en cased in concrete is bearing on the profile steel concrete column.
The overall structure that above-mentioned girder with rolled steel section en cased in concrete is formed by built-in shaped steel and encased steel reinforced concrete.
The both sides up and down of the built-in shaped steel of above-mentioned girder with rolled steel section en cased in concrete also are provided with vertical muscle.
The left and right sides of the built-in shaped steel of above-mentioned girder with rolled steel section en cased in concrete also is provided with the waist muscle.
The outside of above-mentioned waist muscle also is provided with stirrup.
On address the overall structure that profile steel concrete column is formed by built-in shaped steel and encased steel reinforced concrete.
The both sides up and down of the built-in shaped steel of above-mentioned profile steel concrete column also are provided with vertical muscle, and the left and right sides also is provided with the waist muscle, and the outside of waist muscle also is provided with stirrup.
The utility model is because employing steel concrete beam and steel concrete column form whole structure by built-in shaped steel and encased steel reinforced concrete.It is bigger that the utility model mainly considers to work as the conversion beam span, when last area load is heavier, adopts the steel reinforced concrete conversion beam, can effectively reduce and change the deck-molding of changeing beam, promptly reduce the depth of section of conversion crossbeam, increase supporting capacity, and be the bigger usage space of owner's creation.The utility model is that a kind of design is ingenious, function admirable, and the large span transformational structure of convenient and practical highrise building can be building enterprise and obtains favorable economic benefit.
Description of drawings
Fig. 1 is the single span structural profile schematic diagram of the utility model embodiment;
Fig. 2 is the schematic cross-section of the utility model embodiment conversion beam;
Fig. 3 is the schematic cross-section of the utility model embodiment transition mast.
The specific embodiment
Embodiment:
Structural representation of the present utility model as shown in Figure 1, the large span transformational structure of highrise building of the present utility model includes girder with rolled steel section en cased in concrete 1 and profile steel concrete column 2, girder with rolled steel section en cased in concrete 1 is bearing on the profile steel concrete column 2.In the present embodiment, in the present embodiment, the overall structure that above-mentioned girder with rolled steel section en cased in concrete 1 is formed by built-in shaped steel 12 and encased steel reinforced concrete.
In addition, the both sides up and down of the built-in shaped steel 12 of above-mentioned girder with rolled steel section en cased in concrete 1 also are provided with vertical muscle 11, and the left and right sides of the built-in shaped steel 12 of above-mentioned girder with rolled steel section en cased in concrete 1 also is provided with waist muscle 13, and the outside of above-mentioned waist muscle 13 also is provided with stirrup 14.
In the present embodiment, can fix with bar dowel between above-mentioned built-in shaped steel 12 and the vertical muscle 11, waist muscle 13 and stirrup 14 can be fixed with iron wire, and the material of vertical muscle 11 and waist muscle 13 is HRB400, fy=360MPa; The material of stirrup 14 is HRB335, fy=300MPa.
In the present embodiment, on address the overall structure that profile steel concrete column 2 is formed by built-in shaped steel 21 and encased steel reinforced concrete.The both sides up and down of the built-in shaped steel 21 of above-mentioned profile steel concrete column 2 also can be provided with vertical muscle, and the left and right sides also can be provided with the waist muscle, and the outside of waist muscle also can be provided with stirrup.Vertical muscle, waist muscle, the stirrup in built-in shaped steel 21 outsides of profile steel concrete column 2 are pressed Fig. 3 setting and are got final product.The fixing means of these vertical muscle, waist muscle, stirrup and material therefor can be identical with the fixing means and the material therefor of vertical muscle in the girder with rolled steel section en cased in concrete 1, waist muscle, stirrup.
The utility model makes the structure stress can be more even, and internal force more tends towards stability, and effectively reduces the conversion beam cross section, more helps the amplitude modulation of internal force.The protective layer thickness of the girder with rolled steel section en cased in concrete reinforcing bar of steel reinforced concrete structure regulation and stipulation adopts 100mm, is in fact to be applicable to the situation of having only row's end muscle, if end muscle surpasses a row, should suitably increase protective layer thickness, otherwise can not install.Bond stress between shaped steel and the concrete has only 1/2nd of round steel and concrete binding stress.Therefore in order to guarantee concrete and shaped steel co-operation, shear connector need be set, commonly used is the socket cap peg.Built-in shaped steel itself also to note following some: in order to bring into play the maximum intensity of built-in shaped steel, the frange plate of built-in shaped steel should not punch (1).Web punches needs welding steel to strengthen; (2) the suitable produce in factory of all welding, unsuitable on-the-spot welding is so that guarantee the welding quality of weld seam better; (3) spreading of built-in shaped steel need be avoided the node region of fine strain of millet post.In the present embodiment, girder with rolled steel section en cased in concrete 1 is because the existence of last bottom flange brings certain degree of difficulty for concrete building, and is closely knit for guaranteeing concreting, can abide by following technology construction.At first be concrete building under the bottom flange, vibrate from section steel beam one side blanking, the opposite side of concrete from bottom flange steel plate underflow to beam, when being dipped on the steel plate of bottom flange behind the 50mm, blanking is simultaneously vibrated from both sides again.When building the first half of steel reinforced concrete fine strain of millet, can extend to another node along the beam direction from a certain bean column node.One-shot forming.This job practices of field by using can make horizontal tail listrium therapeutic method to keep the adverse qi flowing downward bubble overflow easily.Guaranteed concrete pouring quality effectively.
Claims (7)
1. the large span transformational structure of a highrise building is characterized in that including girder with rolled steel section en cased in concrete (1) and profile steel concrete column (2), and girder with rolled steel section en cased in concrete (1) is bearing on the profile steel concrete column (2).
2. the large span transformational structure of highrise building according to claim 1 is characterized in that the overall structure that above-mentioned girder with rolled steel section en cased in concrete (1) is formed by built-in shaped steel (12) and encased steel reinforced concrete.
3. the large span transformational structure of highrise building according to claim 2 is characterized in that the both sides up and down of the built-in shaped steel (12) of above-mentioned girder with rolled steel section en cased in concrete (1) also are provided with vertical muscle (11).
4. the large span transformational structure of highrise building according to claim 3 is characterized in that the left and right sides of the built-in shaped steel (12) of above-mentioned girder with rolled steel section en cased in concrete (1) also is provided with waist muscle (13).
5. the large span transformational structure of highrise building according to claim 4 is characterized in that the outside of above-mentioned waist muscle (13) also is provided with stirrup (14).
6. according to the large span transformational structure of each described highrise building of claim 1 to 5, it is characterized in that the overall structure that above-mentioned profile steel concrete column (2) is formed by built-in shaped steel (21) and encased steel reinforced concrete.
7. the large span transformational structure of highrise building according to claim 6 is characterized in that the both sides up and down of the built-in shaped steel (21) of above-mentioned profile steel concrete column (2) also are provided with vertical muscle, and the left and right sides also is provided with the waist muscle, and the outside of waist muscle also is provided with stirrup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200901391U CN202017257U (en) | 2011-03-30 | 2011-03-30 | Large-span transformational structure for high-rise building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200901391U CN202017257U (en) | 2011-03-30 | 2011-03-30 | Large-span transformational structure for high-rise building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202017257U true CN202017257U (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200901391U Expired - Lifetime CN202017257U (en) | 2011-03-30 | 2011-03-30 | Large-span transformational structure for high-rise building |
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| CN (1) | CN202017257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298125A (en) * | 2015-10-16 | 2016-02-03 | 中建三局集团有限公司 | Structural system with lower supporting and upper hanging and construction method of same |
| CN110700490A (en) * | 2019-10-30 | 2020-01-17 | 武汉市盘龙明达建筑有限公司 | Transfer floor large-span steel reinforced concrete beam and construction method |
-
2011
- 2011-03-30 CN CN2011200901391U patent/CN202017257U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298125A (en) * | 2015-10-16 | 2016-02-03 | 中建三局集团有限公司 | Structural system with lower supporting and upper hanging and construction method of same |
| CN110700490A (en) * | 2019-10-30 | 2020-01-17 | 武汉市盘龙明达建筑有限公司 | Transfer floor large-span steel reinforced concrete beam and construction method |
| CN110700490B (en) * | 2019-10-30 | 2021-07-13 | 武汉市盘龙明达建筑有限公司 | Transfer floor large-span steel reinforced concrete beam and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |