CN201738495U - Laterally buckled steel beam structure - Google Patents
Laterally buckled steel beam structure Download PDFInfo
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- CN201738495U CN201738495U CN2010202594463U CN201020259446U CN201738495U CN 201738495 U CN201738495 U CN 201738495U CN 2010202594463 U CN2010202594463 U CN 2010202594463U CN 201020259446 U CN201020259446 U CN 201020259446U CN 201738495 U CN201738495 U CN 201738495U
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- section
- side direction
- beam structure
- wing plate
- bundle system
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 239000011248 coating agent Substances 0.000 claims description 31
- 238000000576 coating method Methods 0.000 claims description 31
- 238000005452 bending Methods 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 7
- 235000008429 bread Nutrition 0.000 claims description 4
- 230000000452 restraining effect Effects 0.000 abstract 2
- 239000002131 composite material Substances 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a steel reinforced beam structure, which comprises a framework and a lateral buckling and restraining component. When the framework has an I-shaped or H-shaped section, the framework comprises a web plate and a wing plate which are vertically fixed with each other, and the lateral buckling restraining component is wrapped and tightly connected with two opposite side surfaces of the wing plate. The lateral buckling restrained component comprises a lateral buckling restrained section, and the section of the lateral buckling restrained section and the section of the corresponding framework are non-composite sections. Therefore, the beam structure has both proper strength and shock resistance toughness.
Description
Technical field
The utility model is about a kind of steel frame beam structure, refers to that especially a kind of side direction that suppresses frustrates steel frame beam structure in the wrong.
Background technology
Therefore steel work is fit to highrise building and uses because have high strength and high tenacity.Again steel work have prefabricated property and material recyclable, become the main flow that countries in the world promote green building already.Because the employed form of fracture of steel work is more efficient, elongated limb material but is easy to generate frustrates in the wrongly, so generally speaking member need cooperate lateral support or the use version of putting more energy into, guarantees the performance of component strength and toughness simultaneously to increase its stability.
Steel work is main structural system with beam column shatter-proof bending resistance system or the formed binary system of collocation diagonal brace, produce the member of moulding the hinge energy dissipating when wherein crossbeam is set to violent earthquake, and the type design standard also has defined at its lateral support.
The lateral support of known technology must be supported in beam wing plate 1 adjacent member such as girder 2 or floor as shown in Figure 1, so lateral support not only need cooperate partition location to apply, and has also influenced building and has used height.
The another kind of known practice is to change the section kenel, the box section beam 3 of Fig. 2 or increase extra shaped steel 4 (as Fig. 3) for example, but still there are potential problems in the above-mentioned practice: owing to the limb material that is increased and original steel frame beam all with electric welding or the intensive bolt locking person of being combined into one, its section of final girder construction forms so-called compound cross-section on engineering.This kenel section has characteristics, that is only to have a flexural stress when being subjected to moment of flexure be zero neutral axis, each limb material according to neutral axis apart from distributing the required flexural stress of bearing.The normal flexible of the column beam joint of this type of section is good and influence the situation of the shatter-proof toughness of structure.
In sum, be necessary to propose a technology that solves at the problem of bending of frustrating of present steel frame beam structure.
The utility model content
The purpose of this utility model is to provide a kind of side direction to frustrate and bends bundle system steel frame beam structure, to overcome the defective that exists in the known technology.
For achieving the above object, the steel frame beam structure that the utility model provides, it comprises:
One skeleton comprises a web, an and wing plate, and this web is vertical and be fixed in this wing plate; And
One side direction is frustrated and is bent bundle system member, coats and connects airtight two opposite side faces in this wing plate, and this side direction is frustrated and bent bundle system member and include a side direction and frustrate and bend bundle system section, and the section that this side direction is frustrated the section of bending bundle system section and corresponding this skeleton is non-compound cross-section.
Described steel frame beam structure, wherein this side direction frustrate bend bundle system member comprise a bottom surface coating portion, certainly vertically extending a pair of side, these bottom surface coating portion both sides coating portion, and one held portion, this bottom surface coating portion covers the bottom surface of this wing plate, this offside bread covers the two opposite side faces that portion covers this wing plate respectively, this portion of being held be located in this offside bread cover portion at least between one of them and this web, and supported by this wing plate.
Described steel frame beam structure, wherein this portion of being held is a steel plate.
Described steel frame beam structure, wherein this portion of being held is a bolt component.
Described steel frame beam structure, wherein to frustrate the section of bending bundle system member be the U type to this side direction.
Described steel frame beam structure, wherein to frustrate the section of bending bundle system member be the H type to this side direction.
By the said structure that the utility model provides, can take into account the crossbeam strength and toughness simultaneously, effectively bear earthquake disaster, and promote the building usage space.
Description of drawings
Fig. 1 is known lateral support type post and beam structure schematic diagram.
Fig. 2 is known steel frame beam profile.
Fig. 3 is another known steel frame beam profile.
Fig. 4 is the steel frame beam STRUCTURE DECOMPOSITION figure of the utility model first preferred embodiment.
Fig. 5 is the steel frame beam structure section figure of the utility model first preferred embodiment.
Fig. 6 is the post and beam structure schematic diagram of the utility model second preferred embodiment.
Fig. 7 is the steel frame beam structure section figure of the utility model the 3rd preferred embodiment.
Fig. 8 is the steel frame beam structure section figure of the utility model the 4th preferred embodiment.
Fig. 9 is the steel frame beam structure section figure of the utility model the 5th preferred embodiment.
Primary clustering symbol description in the accompanying drawing:
Wing plate 1; Box section beam 3; Skeleton 10,23; Web side 111,112; Bottom surface 121; Side 123,124; Side direction is frustrated and is bent bundle system member 14,15,24; The 142a of side coating portion, 142b, 172,173; Post 21,22; Girder 2; Extra shaped steel 4; Web 11; Lower wing plate 12; End face 122; Upper flange 13; Bottom surface coating portion 141,171; Held portion 143,16,18.
The specific embodiment
Steel frame beam structure of the present utility model comprises that a skeleton and a side direction are frustrated and bends bundle system member.Above-mentioned skeleton comprises a web, an and wing plate when being I or H shaped steel, and web is vertical and be fixedly welded on wing plate.Side direction is frustrated and is bent bundle system member and coat and connect airtight two opposite side faces in wing plate, and side direction is frustrated to bend bundle system member and include a side direction and frustrated and bend bundle system section, and the section that side direction is frustrated the section of bending bundle system section and corresponding skeleton is non-compound cross-section.
By said structure, can take into account the crossbeam strength and toughness simultaneously, effectively bear earthquake disaster, and promote the building usage space.
Above-mentioned side direction frustrate bend bundle system member can comprise a bottom surface coating portion, from bottom surface coating portion both sides vertically extending a pair of side coating portion, and one held portion.The bottom surface of bottom surface coating portion covering wing, two opposite side faces of the other covering wing of side covered section, the portion of being held be located in side coating portion at least between one of them and the web, and supported by wing plate.
Side direction is frustrated the section of bending bundle system member and be can be U type, H type or the shape of the mouth as one speaks etc.The above-mentioned portion of being held can be reinforcing bar shaped steel, reinforcing bar compound section, steel-reinforced concrete structure or reinforced concrete structure.
Below in conjunction with accompanying drawing the utility model is described in detail.
See also Fig. 4 and Fig. 5, be exploded view and the profile of steel frame beam structure first embodiment.Present embodiment be with steel frame beam structure applications of the present utility model in an I type section beam, the steel frame beam structure comprise an I type skeleton 10, and two side direction frustrate and bend bundle system member 14,15.I type skeleton 10 is made of a web 11, a lower wing plate 12, a upper flange 13, and upper flange 13 is separately fixed at web 11 upper and lower ends with lower wing plate 12.
Two side direction are frustrated bundle system member 14,15 in the wrong and are had same configuration, are respectively to be assembled in lower wing plate 12 and upper flange 13.Frustrating bundle system member 14 in the wrong with side direction is the example explanation, it comprise a bottom surface coating portion 141, a pair of side 142a of coating portion, 142b, and plural number held portion 143, wherein the 142a of two side faces coating portion, 142b make progress vertical extent from bottom surface coating portion 141 both sides and constitute ㄇ type section jointly, plural number held portion 143 from the two side faces coating 142a of portion, 142b to the inside to extending.In the present embodiment, held portion 143 and be the steel plate kenel.
Frustrate when side direction and to bend bundle system member 14 when being assembled in lower wing plate 12, bottom surface coating portion 141 covers the bottom surface 121 of lower wing plate 12, the two side faces coating 142a of portion, 142b cover two opposite side faces 123,124 of lower wing plate 12 respectively, and the plural number in each side coating portion is held portion 143 and is arranged spaced.Held portion 143 and be located between 142a of side coating portion (142b) and the web side 111 (112), and be carried on the end face 122 of lower wing plate 12.
Being held between portion 143 and web 11, the wing plate 12 can be to connect airtight to touch or cooperate slotted eye to engage with bolt.Held between portion 143 and the side coating 142a of portion, the 142b and then can be fixed or bolted joints by welding.
From the above, frustrate bundle system member in the wrong because of side direction and be equivalent to added individual member outside skeleton, mainly do not transmit horizontal shear between the two member sections and do not constitute compound cross-section, so side direction is frustrated and bent bundle system member is according to participating in moment distribution with respect to skeleton section stiffness ratio, and bear most moment of flexure because of the moment of flexure stiffness of skeleton is higher relatively, girder steel side direction bundle system member is then frustrated mainly as the skeleton side direction and is bent the usefulness that prevents, can effectively take into account structural strength, toughness and building usage space, as when using steel-reinforced concrete or steel concrete and can provide beam framework to be used by the fireproof coating of covered section as girder steel side direction bundle system member.
Among first embodiment, side direction is frustrated the portion of being held 143 of bending bundle system member 14 and support by lower wing plate 12, is bonded with each other with lower wing plate 12 especially, so side direction is frustrated and bent bundle and make 14 integral body and all belong to side direction and frustrate in the wrong the bundle and make section.Certainly, also can side direction be frustrated and bend bundle system member 14 and engage and be positioned skeleton 10 by partial section welding or mode such as be spirally connected, other section is individual member, side direction is frustrated and is bent section and the lower wing plate 12 of bundle system member 14 beyond in the bonding land and still constitute non-compound cross-section, be equivalent to side direction and frustrate and bend bundle system section, and additionally have and avoid whole side direction to frustrate bending the axially movable advantage of bundle system member.Frustrating bundle system member in the wrong in side direction does not comprise in the occasion of the portion of being held that two side faces coating portion inwardly extends laterally, for example frustrate and bend 14 of members of bundle system when having the ㄇ type member that is constituted by the two side faces coating 142a of portion, 142b and bottom surface coating portion 141, can utilize aforementioned partial section to weld or the mode that is spirally connected is fixed in wing plate or web when the side direction of Fig. 4.
Please refer to Fig. 6, be the post and beam structure schematic diagram of steel frame beam structure second embodiment of the present utility model.Be fixed with the steel frame beam structure of a utility model second embodiment shown in the figure between two posts 21,22, the single side direction that the steel frame beam structure comprises an I type skeleton 23 and is installed on the skeleton lower wing plate is frustrated the bundle system 24 of bending.What need special instruction is, it can be after being same as the assembling of steel structure field and finishing with crossbeam one that side direction is frustrated the installation of bending bundle system member, being transported to the building site again and implementing according to general crossbeam mounting means, also can be that side direction is frustrated and bent bundle system member and water to put in floor and relocate to beam framework after finishing.In the former occasion, side direction is frustrated bundle system member in the wrong can share floor deadweight moment of flexure according to its stiffness, and the latter then can exempt bearing of the moment of flexure of conducting oneself with dignity.
Whether side direction is frustrated being provided with mainly of member of bundle system in the wrong needs side stay to decide on wing plate, for example works as upper flange and engages with the RC floor, and then upper flange needn't be restrainted the system member to frustrating to bend by installation side.Side direction frustrate bend bundle system member form of fracture and size relevant with beam length, beam cross dimensions, engaging condition, moment of flexure strength and toughness demand etc.
Please refer to Fig. 7 and Fig. 8, be respectively the profile of the utility model steel frame beam structure the 3rd and the 4th embodiment.The 3rd embodiment is textural roughly the same with second embodiment, that is only has one group of side direction to frustrate to bend bundle system member and be installed on the skeleton lower wing plate, and its difference is in the portion of being held 16 and is shape of the mouth as one speaks section.The 4th embodiment is textural same roughly the same with second embodiment, and its difference is in two side faces coating portion 172,173 and bottom surface coating portion 171 and constitutes I type section.
Please refer to Fig. 9, it is the 5th embodiment profile.It is a bolt component that present embodiment mainly shows the portion of being held 18, has equally and former routine identical functions.
The foregoing description only is to give an example for convenience of description, and the interest field that the utility model is advocated is from should but not only limiting to the foregoing description with described being as the criterion of claim scope of application.
Claims (6)
1. a steel frame beam structure is characterized in that, comprising:
One skeleton comprises a web, an and wing plate, and this web is vertical and be fixed in this wing plate; And
One side direction is frustrated and is bent bundle system member, coats and connects airtight two opposite side faces in this wing plate, and this side direction is frustrated and bent bundle system member and include a side direction and frustrate and bend bundle system section, and the section that this side direction is frustrated the section of bending bundle system section and corresponding this skeleton is non-compound cross-section.
2. steel frame beam structure as claimed in claim 1, it is characterized in that, wherein this side direction frustrate bend bundle system member comprise a bottom surface coating portion, certainly vertically extending a pair of side, these bottom surface coating portion both sides coating portion, and one held portion, this bottom surface coating portion covers the bottom surface of this wing plate, this offside bread covers the two opposite side faces that portion covers this wing plate respectively, this portion of being held be located in this offside bread cover portion at least between one of them and this web, and supported by this wing plate.
3. steel frame beam structure as claimed in claim 2 is characterized in that, wherein this portion of being held is a steel plate.
4. steel frame beam structure as claimed in claim 2 is characterized in that, wherein this portion of being held is a bolt component.
5. steel frame beam structure as claimed in claim 1 is characterized in that, wherein to frustrate the section of bending bundle system member be the U type to this side direction.
6. steel frame beam structure as claimed in claim 1 is characterized in that, wherein to frustrate the section of bending bundle system member be the H type to this side direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202594463U CN201738495U (en) | 2010-07-12 | 2010-07-12 | Laterally buckled steel beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202594463U CN201738495U (en) | 2010-07-12 | 2010-07-12 | Laterally buckled steel beam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201738495U true CN201738495U (en) | 2011-02-09 |
Family
ID=43553773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202594463U Expired - Fee Related CN201738495U (en) | 2010-07-12 | 2010-07-12 | Laterally buckled steel beam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201738495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556780A (en) * | 2013-10-29 | 2014-02-05 | 刘阳 | Flange buckling-preventing section steel and concrete composite beam |
-
2010
- 2010-07-12 CN CN2010202594463U patent/CN201738495U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103556780A (en) * | 2013-10-29 | 2014-02-05 | 刘阳 | Flange buckling-preventing section steel and concrete composite beam |
| CN103556780B (en) * | 2013-10-29 | 2016-05-18 | 华侨大学 | The anti-buckling shape steel-concrete combined beam in a kind of edge of a wing |
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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: 20110209 Termination date: 20150712 |
|
| EXPY | Termination of patent right or utility model |