CN205421715U - Novel I -shaped carrier bar excels in - Google Patents
Novel I -shaped carrier bar excels in Download PDFInfo
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- CN205421715U CN205421715U CN201620293511.1U CN201620293511U CN205421715U CN 205421715 U CN205421715 U CN 205421715U CN 201620293511 U CN201620293511 U CN 201620293511U CN 205421715 U CN205421715 U CN 205421715U
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- carrier bar
- top flange
- strength
- shaped carrier
- steel plate
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Abstract
The utility model provides a novel I -shaped carrier bar excels in, including top flange, lower flange and compound web, the top flange includes support tube body, the support tube body intussuseption is filled with the concrete, the support tube body lower part is open -ended V style of calligraphy, and support tube body upper portion is the plane, compound web includes a plurality of circular steel tube and steel sheet, alternative interval welded connection between circular steel tube and the steel sheet, steel sheet upper portion imbeds in support tube body's opening, compound web upper portion and top flange welded connection, compound web lower part and lower flange welded connection. This carrier bar adopts structure that the lower part is the V style of calligraphy as the carrier bar top flange, can effectively improve the load -carrying properties of carrier bar, resistance to compression and anti -bending strength, simultaneously, adopt the compound web of circular steel tube concrete and plain plate, can improve the overall stability ability of carrier bar on the one hand, and on the other hand can strengthen its self bending resistance, antitorque, anti deformability.
Description
Technical field
This utility model relates generally to structural engineering field, specifically a kind of novel high-strength I-shaped carrier bar.
Background technology
At present, along with the economic and fast development of society, driving building trade to advance by leaps and bounds, people are more and more higher to the requirement of supporting member required in building structure.In traditional architecture industry, in general steel construction, carrier bar mostly uses the forms such as hot rolling I-steel, hot rolling or welded H section steel, hot-rolled square steel pipe, welding corrugated web beam and welding box beam.All use flat plate or corrugated steel as web for hot rolling I-steel, hot rolling or welded H section steel and welding corrugated web beam etc., owing to outside the face of flat plate and corrugated steel, bending resistance is poor, therefore the stability, anti-bending strength and the torsional property that cause above form carrier bar are more weak, it is impossible to meet the requirement of some special high-bearing capacity structure.If improve anti-bending strength outside the face of web by increasing web thickness, the steel using amount of carrier bar can be greatly increased, also can increase carrier bar deadweight, cause steel to waste, increase cost.Simultaneously for tradition I-beam top flange, when bearing the load of secondary beam transmission, it may occur that local yielding destroys, or there is cripling deformation, have a strong impact on integrally-built security performance.Top flange for some improved structures, top flange and lower flange are connected by the mode often through welding, and traditional structure makes the weld seam of weld defect easily occur, and can not effectively improve the load-carrying properties of carrier bar, affect the stability in the large of carrier bar.
Utility model content
For solving the deficiency of current technology, this utility model combines prior art, from reality application, a kind of novel high-strength I-shaped carrier bar is provided, this carrier bar uses bottom to be that the structure of V-shape is as carrier bar top flange, weld strength between top flange and composite web is greatly increased, the load-carrying properties of carrier bar can be effectively improved, resistance to compression and anti-bending strength；Meanwhile, use the composite web of concrete filled steel tube and plain plate, on the one hand can improve the overall stability of carrier bar, and on the other hand can strengthen the bending resistance of himself, antitorque, non-deformability.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of novel high-strength I-shaped carrier bar, including top flange, lower flange and composite web, described top flange includes supporting body, it is filled with concrete in described support body, described support body bottom is the V-shape of opening, supporting body top is plane, described composite web includes several round steel pipe and steel plate, between described round steel pipe and steel plate, alternate intervals is welded to connect, described steel plate top is embedded in the opening supporting body, composite web top is welded to connect with top flange, and composite web bottom is welded to connect with lower flange.
The cross section of described support body is pentagon or triangle.
The width dimensions of described support body is identical with lower flange width dimensions, supports body height dimension identical with its width dimensions.
The opening size 1mm bigger than steel plate thickness size of described support body bottom.
Described round steel pipe diameter dimension is the 3/4 of top flange width dimensions.
Spacing between adjacent round steel pipe is 500mm-1000mm.
Described steel plate thickness is 6mm-18mm.
The beneficial effects of the utility model:
This novel bearing load bearing beam performance is good, safety coefficient is high；Owing to top flange uses the support body of fill concrete, and bottom is set to V-structure, it is effectively improved the compressive property of carrier bar, concrete filled steel tube in composite web, the stability in the large of carrier bar can be effectively improved, strengthen its bending resistance, shearing resistance, antitorque, anti-deformation；Bottom, top flange is designed as the V-type of opening and also can facilitate and the welding of composite web, and the structural stability of commissure can be ensured, this utility model composite web carrier bar can realize standardized designs, batch production and producing in serial form, improves production and processing make efficiency, saves and makes and construction cost；Physical dimension in this utility model considers consumptive material and load-bearing property, can have preferable economic benefit on the premise of guaranteeing component security performance.
Accompanying drawing explanation
Accompanying drawing 1 is for supporting population structure schematic diagram when body cross section is pentagon；
Accompanying drawing 2 is for supporting population structure schematic diagram when body cross section is triangle；
Accompanying drawing 3 is this utility model cross section view.
Label shown in accompanying drawing: 1, top flange；11, body is supported；12, concrete；2, lower flange；3, composite web；31, round steel pipe；32, steel plate.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be understood that these embodiments are merely to illustrate this utility model rather than limit scope of the present utility model.In addition, it is to be understood that after having read the content that this utility model is lectured, this utility model can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application appended claims limited range equally.
A kind of novel high-strength I-shaped carrier bar, including top flange 1, lower flange 2 and composite web 3, described top flange 1 includes supporting body 11, it is filled with concrete 12 in described support body 11, described support body 11 bottom is the V-shape of opening, supporting body 11 top is plane, described composite web 3 includes several round steel pipe 31 and steel plate 32, between described round steel pipe 31 and steel plate 32, alternate intervals is welded to connect, described steel plate 32 top is embedded in the opening supporting body 11, composite web 3 top is welded to connect with top flange 1, composite web 3 bottom is welded to connect with lower flange 2.
Top flange 1 is pentagon or triangle thin-walled support body 11, structural steel and iron is used numerical control bending technology or numerical control rolling techniques to process by its processing technology, wherein, pentagon or triangular support body 11 are open-endeds, needing preset clearance, gap width should 1mm bigger than the thickness of composite web light plate, it is ensured that steel plate 32 can embed in gap, the width of top flange 1 pentagon or triangular support body 11 is identical with the width of lower flange 2, and height is identical with its width；Pipe thickness is about 5.0mm to 10.0mm；Meanwhile, pentagon or triangular support body 11 inner-concrete with high intensity, intensity is not less than C60；Top flange 1 is positioned at the top of high-strength carrier bar；Described lower flange 2 is rolling ordinary construction steel plate, and its thickness is 6.0mm to 18.0mm, is positioned at the bottom of I-beam, middle by composite web 3, it is connected to each other with top flange 1；Described composite web 3 is alternately to be welded by round steel pipe 31 and steel plate 32, and wherein, round steel pipe 31 is thin-wall seamless round steel pipe, and its pipe thickness is 6.0mm to 12.0mm, the 3/4 of a diameter of upper and lower flange width；Steel plate 32 is rolling ordinary construction steel plate, and its thickness is 6.0mm to 18.0mm；Both by fillet weld seam together, and are both needed to fillet weld seam in the weld both sides of steel plate 32 with round steel pipe 31.The interval of this utility model steel plate 32 and the round steel pipe 31 i.e. width of steel plate 32 is about 500mm-1000mm；High-strength concrete 12 need to be filled in the inside of round steel pipe 31, and inner-concrete with high intensity 12 is self-compacting high-strength concrete, and its intensity is not less than C60.
Manufacturing process of the present utility model is: according to actually required size, intercepts one fixed width and the rectangular steel plates of length, the steel plate 32 being used as in composite web 3；Intercepting the round steel pipe 31 of certain length, its length should exceed a part than the width of rectangular steel plates, needs to process just identical with pentagon or triangular tip opening；It is identical that steel plate 32 intercepts quantity with round steel pipe 31；First, double-side angular weld seam form is used to weld together steel plate 32 and round steel pipe 31 alternate intervals, during welding, need to ensure that all steel plate 32 lower limbs and round steel pipe 31 lower limb are in same level, and all steel plate 32 top edges and round steel pipe 31 opening is most advanced and sophisticated all in same level, the axis of the plane lucky mistake round steel pipe 31 that all steel plates 32 are formed；Subsequently, the steel plate 32 welded together and round steel pipe 31 are positioned on lower flange 2, steel plain centrage must overlap with the centrage of lower flange 2, all uses angle welding form to weld together with the position that contacts above lower flange 2 respectively steel plate 32 and round steel pipe 31；Afterwards, to round steel pipe 31 internal perfusion high-strength concrete 33, when filling, necessarily irrigate and use vibrating head to vibrate, or use ironware to beat round steel pipe 31 tube wall, it is ensured that the degree of compaction of high-strength concrete 12；Simultaneously, high-strength concrete 12 is poured in pentagon or triangular support body 11, when perfusion, first foam blocking will be used at the reserving gaps of pentagon or triangle steel pipe good, pentagon or triangular support body 11 are holded up and are irrigated, in filling process simultaneously, it is also desirable to use vibrating head constantly to vibrate pentagon or triangular support body 11 tube wall, guaranteeing the degree of compaction of high-strength concrete 12, after completing, two components are required to carry out High Temperature Curing 5-10 hour；Then, top flange 1 is placed on top, uses angle welding form to weld together with the position that contacts below top flange 1 pentagon or triangular support body 11 respectively steel plate 32 and round steel pipe 31.
Compared with tradition I-beam, this utility model simple in construction, stability are good, simultaneously because top flange carrying is heavier, use V-structure to weld between top flange with composite web, after can ensureing to weld, the fixing of commissure, improves the load-carrying properties of this I-beam simultaneously；The flow process of processing steel reinforced concrete combination top flange and composite web is simple, it is possible to realizes standardized designs and factorial praluction, has preferable economy.
Claims (7)
1. a novel high-strength I-shaped carrier bar, including top flange (1), lower flange (2) and composite web (3), it is characterized in that: described top flange (1) includes supporting body (11), it is filled with concrete (12) in described support body (11), described support body (11) bottom is the V-shape of opening, supporting body (11) top is plane, described composite web (3) includes several round steel pipe (31) and steel plate (32), between described round steel pipe (31) and steel plate (32), alternate intervals is welded to connect, described steel plate (32) top is embedded in the opening supporting body (11), composite web (3) top is welded to connect with top flange (1), composite web (3) bottom is welded to connect with lower flange (2).
2. a kind of novel high-strength I-shaped carrier bar as claimed in claim 1, it is characterised in that: the cross section of described support body (11) is pentagon or triangle.
3. a kind of novel high-strength I-shaped carrier bar as claimed in claim 2, it is characterized in that: the width dimensions of described support body (11) is identical with lower flange (2) width dimensions, support body (11) height dimension identical with its width dimensions.
4. a kind of novel high-strength I-shaped carrier bar as claimed in claim 3, it is characterised in that: the opening size of described support body (11) bottom is than the big 1mm of steel plate (32) gauge.
5. a kind of novel high-strength I-shaped carrier bar as claimed in claim 4, it is characterised in that: described round steel pipe (31) diameter dimension is the 3/4 of top flange (1) width dimensions.
6. a kind of novel high-strength I-shaped carrier bar as claimed in claim 5, it is characterised in that: the spacing between adjacent round steel pipe (31) is 500mm-1000mm.
7. a kind of novel high-strength I-shaped carrier bar as claimed in claim 6, it is characterised in that: described steel plate (32) thickness is 6mm-18mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293511.1U CN205421715U (en) | 2016-04-08 | 2016-04-08 | Novel I -shaped carrier bar excels in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293511.1U CN205421715U (en) | 2016-04-08 | 2016-04-08 | Novel I -shaped carrier bar excels in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205421715U true CN205421715U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620293511.1U Expired - Fee Related CN205421715U (en) | 2016-04-08 | 2016-04-08 | Novel I -shaped carrier bar excels in |
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| CN (1) | CN205421715U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044191A (en) * | 2017-05-08 | 2017-08-15 | 常熟风范电力设备股份有限公司 | A kind of high-performance shape for hat steel-tube construction beam |
| CN107190633A (en) * | 2017-07-27 | 2017-09-22 | 长安大学 | A kind of connecting structure of steel-concrete combination beam |
| CN110067185A (en) * | 2019-06-05 | 2019-07-30 | 深圳市市政设计研究院有限公司 | A kind of steel pipe-steel plate combination web steel reinforced concrete combined box beam |
| WO2022227271A1 (en) * | 2021-04-28 | 2022-11-03 | 江苏中信博新能源科技股份有限公司 | Torque tube having pentagonal cross-section and photovoltaic support |
-
2016
- 2016-04-08 CN CN201620293511.1U patent/CN205421715U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044191A (en) * | 2017-05-08 | 2017-08-15 | 常熟风范电力设备股份有限公司 | A kind of high-performance shape for hat steel-tube construction beam |
| CN107190633A (en) * | 2017-07-27 | 2017-09-22 | 长安大学 | A kind of connecting structure of steel-concrete combination beam |
| CN110067185A (en) * | 2019-06-05 | 2019-07-30 | 深圳市市政设计研究院有限公司 | A kind of steel pipe-steel plate combination web steel reinforced concrete combined box beam |
| CN110067185B (en) * | 2019-06-05 | 2024-03-19 | 深圳市市政设计研究院有限公司 | Steel pipe-steel plate combined web steel-concrete combined box girder |
| WO2022227271A1 (en) * | 2021-04-28 | 2022-11-03 | 江苏中信博新能源科技股份有限公司 | Torque tube having pentagonal cross-section and photovoltaic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170408 |