CN203603369U - Channel steel converting steel beam - Google Patents
Channel steel converting steel beam Download PDFInfo
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- CN203603369U CN203603369U CN201320662533.7U CN201320662533U CN203603369U CN 203603369 U CN203603369 U CN 203603369U CN 201320662533 U CN201320662533 U CN 201320662533U CN 203603369 U CN203603369 U CN 203603369U
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Abstract
The utility model discloses a channel steel converting steel beam which comprises a channel steel body (1), wherein a sealing steel plate (2) is fixedly welded on a groove opening surface of the channel steel body (1); an end surface steel plate (3) is fixedly welded with the end surface of the channel steel body (1); prestress rib fixing holes (4) are uniformly formed in the side surface of the channel steel body (1); the channel steel body (1) is filled with concrete fill (5) with micro expansion property. As the sealing steel plate is fixedly welded on the groove opening surface of the channel steel body and the channel steel body is filled with the micro expanded concrete, the overall rigidity of the converting beam can be remarkably improved when the filled expanded concrete is solidified, and the converting beam is high in bearing capability and high in deformation resistance, can be applied to overall tension of prestress ribs, can realize simultaneous tension of a plurality of prestress ribs with uniform stress, and is convenient for large-scale application.
Description
Technical field
The utility model relates to a kind of girder steel, relates in particular to a kind of channel-section steel conversion girder steel, belongs to building prestressed Construction Technology field.
Background technology
At present conversion girder steel adopts grooved steel to make mostly, and common grooved conversion steel beam structure is simple, supporting capacity a little less than, the moment of torsion can bear is less, and be not easy to realize the simultaneous tension of many presstressed reinforcing steels, and easily there is the situation of Stress non-homogeneity, use and be subject to certain restriction.
As Chinese patent notification number is: CN 202324345U, the day for announcing is: the utility model patent on July 11st, 2012 discloses a kind of section steel beam, comprise: a shaped steel, a plurality of vertical muscle, vertical muscle edge is axial vertical with shaped steel, and cuff is outside shaped steel, every two vertical muscle are also muscle connection mutually, a plurality of stirrups, the axially parallel of stirrup and shaped steel, and outside cuff and a plurality of vertical muscle, the beam main body of coated shaped steel, vertical muscle and stirrup.But the defect of this structure is: simple in structure, supporting capacity a little less than, be not easy to realize the simultaneous tension of many presstressed reinforcing steels, easily there is the situation of Stress non-homogeneity, be unfavorable for being widely used on a large scale.
Summary of the invention
The purpose of this utility model is simple for existing common grooved conversion steel beam structure, supporting capacity a little less than, be not easy to realize the simultaneous tension of many presstressed reinforcing steels simultaneously, easily there is defect and the deficiency of the situation of Stress non-homogeneity, provide a kind of rational in infrastructure, integral rigidity is large, and non-deformability is strong, supporting capacity is strong, can realize the simultaneous tension of many presstressed reinforcing steels, and a kind of channel-section steel conversion girder steel of stress equilibrium.
For achieving the above object, technical solution of the present utility model is: a kind of channel-section steel conversion girder steel, comprise channel-section steel body, on the notch face of described channel-section steel body, be welded with sealing steel plate, the end face of channel-section steel body is welded with end face steel plate, the side of channel-section steel body evenly offers presstressed reinforcing steel fixing hole, in the region that channel-section steel body and sealing steel plate surround, fills the Concrete Filled body with micro-expansibility matter.
An end face or two end faces of described channel-section steel body are welded with end face steel plate.
The side of described channel-section steel body also offers stretch-draw dowel bar fixing hole.
The presstressed reinforcing steel diameter being installed with in described presstressed reinforcing steel fixing hole is 5 millimeters-8 millimeters, and the spacing between adjacent two presstressed reinforcing steels is 70 millimeters-80 millimeters.
The thickness of described sealing steel plate is 4 millimeters-6 millimeters, and the thickness of channel-section steel body is 5.5 millimeters-11 millimeters.
The beneficial effects of the utility model are:
1, the utility model is welded with sealing steel plate on the notch face of channel-section steel body, and fill slightly expanded concrete in channel-section steel body, the end face of channel-section steel body is welded with end face steel plate, evenly offer porose assurance later stage presstressed reinforcing steel in the side of channel-section steel body and pass and fix, channel-section steel body, end face steel plate, sealing steel plate and Concrete Filled body form an entirety simultaneously.
2, the utility model is rational in infrastructure, by filling the integral rigidity that can significantly increase conversion girder steel after slightly expanded concrete solidifies, supporting capacity is stronger, non-deformability is strong, this conversion beam can be used for the integral tension of presstressed reinforcing steel, can realize many presstressed reinforcing steel simultaneous tensions and stress equilibrium, be convenient to extensive use.
Accompanying drawing explanation
Fig. 1 is axonometric drawing of the present utility model.
Fig. 2 is side schematic view of the present utility model.
Fig. 3 is section structure schematic diagram of the present utility model.
In figure: channel-section steel body 1, sealing steel plate 2, end face steel plate 3, presstressed reinforcing steel fixing hole 4, Concrete Filled body 5, stretch-draw dowel bar fixing hole 6.
The specific embodiment
Below in conjunction with accompanying drawing explanation and the specific embodiment, the utility model is described in further detail:
Referring to Fig. 1 to Fig. 3, a kind of channel-section steel conversion girder steel of the present utility model, comprise channel-section steel body 1, on the notch face of described channel-section steel body 1, be welded with sealing steel plate 2, the end face of channel-section steel body 1 is welded with end face steel plate 3, the side of channel-section steel body 1 evenly offers presstressed reinforcing steel fixing hole 4, in the region that channel-section steel body 1 and sealing steel plate 2 surround, fills the Concrete Filled body 5 with micro-expansibility matter.
An end face or two end faces of described channel-section steel body 1 are welded with end face steel plate 3.
The side of described channel-section steel body 1 also offers stretch-draw dowel bar fixing hole 6.
The presstressed reinforcing steel diameter being installed with in described presstressed reinforcing steel fixing hole 4 is 5 millimeters-8 millimeters, and the spacing between adjacent two presstressed reinforcing steels is 70 millimeters-80 millimeters.
The thickness of described sealing steel plate 2 is 4 millimeters-6 millimeters, and the thickness of channel-section steel body 1 is 5.5 millimeters-11 millimeters.
The U-steel structure that channel-section steel body 1 is made for common Q 235, the thickness of channel-section steel body 1 side is 5.5 millimeters-11 millimeters, is welded with sealing steel plate 2 on the notch face of existing channel-section steel body 1.Be welded with end face steel plate 3 in one end of channel-section steel body 1, so just formed the hollow steel column of an end opening simultaneously.The side of channel-section steel body 1 evenly offers presstressed reinforcing steel fixing hole 4 and is installed with reinforcing bar, the presstressed reinforcing steel diameter being installed with in presstressed reinforcing steel fixing hole 4 is 5 millimeters-10 millimeters, spacing between adjacent two presstressed reinforcing steels is 70 millimeters-80 millimeters, and spacing is determined according to the designing requirement of presstressed reinforcing steel.Put on after reinforcing bar concreting in hollow steel column the side of channel-section steel body 1, solidify rear formation Concrete Filled body 5, and forming an entirety with channel-section steel body 1 and sealing steel plate 2, after concrete setting, this presstressed reinforcing steel takes out, and finally can significantly increase rigidity and the intensity of conversion girder steel.
The notch medial angle of channel-section steel body 1 is provided with rounding, is convenient to seal being welded and fixed of steel plate 2.The side of channel-section steel body 1 also offers stretch-draw dowel bar fixing hole 6, is convenient to lifting and installs.The utility model is by having increased the bulk strength of girder steel at the interior fill concrete of channel-section steel body 1, improved supporting capacity, the utility model can be used for the integral tension of presstressed reinforcing steel, can realize many presstressed reinforcing steel simultaneous tensions, and stress equilibrium, is commonly employed at building field.
Claims (5)
1. a channel-section steel conversion girder steel, comprise channel-section steel body (1), it is characterized in that: on the notch face of described channel-section steel body (1), be welded with sealing steel plate (2), the end face of channel-section steel body (1) is welded with end face steel plate (3), the side of channel-section steel body (1) evenly offers presstressed reinforcing steel fixing hole (4), in the region that channel-section steel body (1) and sealing steel plate (2) surround, fills the Concrete Filled body (5) with micro-expansibility matter.
2. a kind of channel-section steel conversion girder steel according to claim 1, is characterized in that: an end face or two end faces of described channel-section steel body (1) are welded with end face steel plate (3).
3. a kind of channel-section steel conversion girder steel according to claim 1, is characterized in that: the side of described channel-section steel body (1) also offers stretch-draw dowel bar fixing hole (6).
4. a kind of channel-section steel conversion girder steel according to claim 1, is characterized in that: the presstressed reinforcing steel diameter being installed with in described presstressed reinforcing steel fixing hole (4) is 5 millimeters-8 millimeters, and the spacing between adjacent two presstressed reinforcing steels is 70 millimeters-80 millimeters.
5. a kind of channel-section steel conversion girder steel according to claim 1, is characterized in that: the thickness of described sealing steel plate (2) is 4 millimeters-6 millimeters, and the thickness of channel-section steel body (1) is 5.5 millimeters-11 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662533.7U CN203603369U (en) | 2013-10-25 | 2013-10-25 | Channel steel converting steel beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662533.7U CN203603369U (en) | 2013-10-25 | 2013-10-25 | Channel steel converting steel beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203603369U true CN203603369U (en) | 2014-05-21 |
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ID=50716049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320662533.7U Expired - Fee Related CN203603369U (en) | 2013-10-25 | 2013-10-25 | Channel steel converting steel beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203603369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297922A (en) * | 2015-10-21 | 2016-02-03 | 广东工业大学 | Cast-in-place steel structure of construction |
| CN105926952A (en) * | 2016-06-30 | 2016-09-07 | 浙江精工钢结构集团有限公司 | Floor conversion steel beam moving along with truck-mounted crane and using method of floor conversion steel beam |
-
2013
- 2013-10-25 CN CN201320662533.7U patent/CN203603369U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297922A (en) * | 2015-10-21 | 2016-02-03 | 广东工业大学 | Cast-in-place steel structure of construction |
| CN105926952A (en) * | 2016-06-30 | 2016-09-07 | 浙江精工钢结构集团有限公司 | Floor conversion steel beam moving along with truck-mounted crane and using method of floor conversion steel beam |
| CN105926952B (en) * | 2016-06-30 | 2018-04-24 | 浙江精工钢结构集团有限公司 | A kind of flooring conversion girder steel and its application method with truck crane movement |
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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 |
Granted publication date: 20140521 Termination date: 20151025 |
|
| EXPY | Termination of patent right or utility model |