CN202202410U - Cross-shaped abnormal joint formed by connection of steel structure box column, box beam and I beam - Google Patents
Cross-shaped abnormal joint formed by connection of steel structure box column, box beam and I beam Download PDFInfo
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- CN202202410U CN202202410U CN2011202622218U CN201120262221U CN202202410U CN 202202410 U CN202202410 U CN 202202410U CN 2011202622218 U CN2011202622218 U CN 2011202622218U CN 201120262221 U CN201120262221 U CN 201120262221U CN 202202410 U CN202202410 U CN 202202410U
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Abstract
The utility model discloses a cross-shaped abnormal joint formed by the connection of a steel structure box column, a box beam and an I beam, comprising the box column, wherein a first column flange of the box column is externally connected with the box beam, a second column flange is externally connected with the I beam, a box beam upper flange of the box beam and an I beam upper flange of the I beam are in the same height, and a box beam lower flange of the box beam is lower than an I beam lower flange of the I beam. In the utility model, the steel structure box column is rigidly connected with the box beam and the I beam with different sectional heights, so as to form the cross-shaped abnormal joint formed by the rigid connection of the steel structure box column, the box beam and the I beam, so that the cross-shaped abnormal joint can meet the technological requirements of a main workshop for high-capacity units in a firepower plant, also has good bearing capacity and quakeproof performance and leads the steel structure main workshop structure to be popularized and applied in main workshops for high-capacity units in high seismic regions.
Description
Technical field
The utility model relates to the building steel frame node that is rigidly connected, and particularly a kind of box beam/column with steel structure is connected the special-shaped node of cross with box-girder with i beam.
Background technology
Electric power is the emphasis basic industry of national economy, in the steam power station, adopts big capacity unit (more than the 600MW), and not only technical indicator advanced person, and environment-friendly advantage and energy conservation and consumption reduction effects are obvious, meet strategic overall situation, have wide development and application prospect.Main building is the core of thermal power plant, the general three row formula structures that comprise steam turbine building, deaerator bay and bunker bay that adopt.The big not only stressed complicacy of capacity unit main building structure, load is huge, and physical dimension and deadweight also increase with the increase of its capacity.Existing research shows; Because the deficiency of structural system itself; Low, the poor seismic behavior of conventional steel reinforced concrete main building structural entity supporting capacity, have that part bottom column sectional dimension is excessive, ratio of axial compressive force to axial compressive ultimate capacity of section transfinites and geological process under problem such as structure relative storey displacement and top displacement be bigger than normal, the structural safety deposit is lower, durability is not enough; Therefore 8 degree set up defences and more than high earthquake intensity area, the reinforced concrete structure form can not satisfy the requirement of big capacity unit main building.In order to advance thermal power plant's structural system innovation, improve the anti-seismic performance of main building structure, demand developing a kind of new structure system urgently, be applicable to the big capacity unit main building of highly seismic region.The steel work layout is flexible, and mechanization and industrialization degree are high, and anti-seismic performance is good, is the sustainable development product of environment-friendly type.Therefore, adopt steel work main building system in the thermal power plant, can overcome the shortcoming of reinforced concrete structure, satisfy high earthquake intensity ground area large-capacity unit main building rigidity and requirement for bearing capacity.
Because arts demand, the load that the main building bunker bay bears is huge, and the load that deaerator bay bears is less; In the design of steel work main building, the depth of section of beam that bunker bay adopts is more much bigger than deaerator bay, therefore; In the framework of bunker bay and deaerator bay formation; The depth of section difference and the difference of same node place post two curb girders are bigger, and joint cores has been divided into two parts up and down, form the special-shaped node of steel work.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art; The purpose of the utility model is to provide a kind of box beam/column with steel structure and box-girder to be connected the special-shaped node of cross with i beam; Be rigidly connected through box-girder that box beam/column with steel structure is different with depth of section and i beam; Form a kind of box beam/column with steel structure and box-girder and the i beam special-shaped node of cross that is rigidly connected; Can either satisfy the technological requirement of big capacity unit main building, have good supporting capacity and anti-seismic performance again, steel work main building structure can be applied in highly seismic region big capacity unit main building.
In order to achieve the above object, the technical scheme of the utility model employing is:
A kind of box beam/column with steel structure is connected the special-shaped node of cross with box-girder with i beam; Comprise box column 1; The first post edge of a wing, the 11 external box-girders 2 of box column 1; The second post edge of a wing, 12 external i beams 3, the box-girder top flange 21 of said box-girder 2 and the i beam top flange 31 of i beam 3 are at the sustained height place, and the box-girder bottom flange 22 of box-girder 2 is lower than the i beam bottom flange 32 of i beam 3.
For guaranteeing the clear and definite and further reinforcement intensity of power transmission, in box column 1, be respectively arranged with:
With the last stiffening rib 4 of box-girder top flange 21 height such as grade and level, with the middle stiffening rib 5 of i beam bottom flange 32 height such as grade and level and with the following stiffening rib 6 of box-girder bottom flange 22 height such as grade and level; The said post edge of a wing 11 of going up in stiffening rib 4, middle stiffening rib 5 and the following stiffening rib 6 with box column 1; 12 usefulness electroslags welding with consumable nozzle connect; Be connected with the column web 13 usefulness groove penetration weld of box column 1, stiffening rib 5 is divided into upper and lower two parts in the core space quilt, is respectively core space and following core space.
Between box column 1 and the box-girder 2, between box column 1 and the i beam 3, all adopt to be rigidly connected, for example full weldering connects or bolt weldering mixing connects.
Compared with prior art, the beneficial effect of the utility model is:
1) easy construction because box steel column, box steel beam, steel I-beam all can machine in processing factory in advance, be transported to the scene after, directly lift assigned address and connect, speed of application is fast;
2) practice thrift steel, adopt the girder steel of different cross section height in the box column both sides, both can guarantee to meet the demands, can avoid waste again at the less side steel of load at the bigger side bearing capacity of load;
3) bearing capacity is high; Anti-seismic performance is good; Experimental study shows, box beam/column with steel structure is similar with the rigidly connected regular node of energy dissipation capacity and steel work with box-girder is connected the special-shaped node of cross with i beam ductility, core space shear-carrying capacity even be higher than regular node; Anti-seismic performance is superior to the reinforced concrete irregular node fully, makes steel work main building system in the big capacity main building of highly seismic region thermal power plant, be able to apply.
Description of drawings
Fig. 1 is the front view of the utility model structural representation, and the box-girder web all passes through twin fillet wolt with I-beam web and is connected with the post edge of a wing.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the vertical view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is explained further details.
Embodiment one
Box-girder 2 all adopts the complete special-shaped node of the cross that is connected that welds with i beam 3 and box column 1.
Extremely shown in Figure 4 like Fig. 1; The utility model is that a kind of box beam/column with steel structure is connected the special-shaped node of cross with box-girder with i beam; Comprise box column 1; The first post edge of a wing, the 11 external box-girders 2 of box column 1, the box-girder top flange 21 of box-girder 2 is connected with the first post edge of a wing 11 through the groove penetration weld with box-girder bottom flange 22, and the box-girder web 23 of box-girder 2 is connected with the first post edge of a wing 11 through twin fillet wolt; The second post edge of a wing, 12 external i beams 3, the i beam top flange 31 of i beam 3 is connected with the second post edge of a wing 12 through the groove penetration weld with i beam bottom flange 32, and the I-beam web 33 of i beam 3 is connected with the second post edge of a wing 12 through twin fillet wolt.Box-girder top flange 21 and i beam top flange 31 are at the sustained height place, and box-girder bottom flange 22 is lower than i beam bottom flange 32.
For guaranteeing the clear and definite and further reinforcement intensity of power transmission, in box column 1, be respectively arranged with:
With the last stiffening rib 4 of box-girder top flange 21 height such as grade and level, with the middle stiffening rib 5 of i beam bottom flange 32 height such as grade and level and with the following stiffening rib 6 of box-girder bottom flange 22 height such as grade and level; The said post edge of a wing 11 of going up stiffening rib 4, middle stiffening rib 5 and following stiffening rib 6 and box column 1; 12 usefulness electroslags welding with consumable nozzle connect; Be connected with the column web 13 usefulness groove penetration weld of box column 1, stiffening rib 5 is divided into upper and lower two parts in the core space quilt, is respectively core space and following core space.
Embodiment two
Box-girder 2 all adopts the bolt weldering to mix the special-shaped node of the cross that is connected with i beam 3 and box column 1.
Difference with embodiment one on the structure is,
Box-girder top flange 21 is connected with the first post edge of a wing 11 through the groove penetration weld with box-girder bottom flange 22, and the box-girder web 23 of box-girder 2 is connected with the first post edge of a wing 11 with high-strength bolt through angle steel or shear plate; I beam top flange 31 is connected with the second post edge of a wing 12 through the groove penetration weld with i beam bottom flange 32, and the I-beam web 33 of i beam 3 is connected with the second post edge of a wing 12 with high-strength bolt through angle steel or shear plate.
Embodiment three
Box-girder 2 adopts bolt weldering mixing to be connected with box column 1, the special-shaped node of cross that i beam 3 is connected with the full weldering of box column 1 employing.
Difference with embodiment one on the structure is,
Box-girder top flange 21 is connected with the first post edge of a wing 11 through the groove penetration weld with box-girder bottom flange 22, and the box-girder web 23 of box-girder 2 is connected with the first post edge of a wing 11 with high-strength bolt through angle steel or shear plate; I beam top flange 31 is connected with the second post edge of a wing 12 through the groove penetration weld with i beam bottom flange 32, and the I-beam web 33 of i beam 3 is connected with the second post edge of a wing 12 through twin fillet wolt.
Embodiment four
Box-girder 2 adopts full weldering to connect with box column 1, and i beam 3 adopts the bolt weldering to mix the special-shaped node of the cross that is connected with box column 1.
Difference with embodiment one on the structure is,
Box-girder top flange 21 is connected with the first post edge of a wing 11 through the groove penetration weld with box-girder bottom flange 22, and the box-girder web 23 of box-girder 2 is connected with the first post edge of a wing 11 through twin fillet wolt; I beam top flange 31 is connected with the second post edge of a wing 12 through the groove penetration weld with i beam bottom flange 32, and the I-beam web 33 of i beam 3 is connected with the second post edge of a wing 12 with high-strength bolt through angle steel or shear plate.
The operating principle of the utility model is:
Box beam/column with steel structure is connected with i beam with the box-girder that depth of section does not wait and forms the special-shaped node of cross; Girder steel adopts bolt weldering mixing to be connected with box column or welds being rigidly connected of connecting entirely; In joint cores and the corresponding height place of flange of beam stiffening rib is set simultaneously; Make the suffered power of box-girder pass to node area through last stiffening rib and following stiffening rib, the suffered power of i beam passes to node area through last stiffening rib and middle stiffening rib, reaches the clear and definite requirement of power transmission.Because the beam of different cross section height is adopted in these novel joint both sides, not only satisfy the technological requirement of big capacity Power Plant Main House, also have good supporting capacity and anti-seismic performance simultaneously.
Claims (9)
1. a box beam/column with steel structure is connected the special-shaped node of cross with box-girder with i beam; Comprise box column (1); It is characterized in that the first external box-girder in the post edge of a wing (11) (2) of box column (1), the second external i beam in the post edge of a wing (12) (3); The box-girder top flange (21) of said box-girder (2) and the i beam top flange (31) of i beam (3) are on same horizontal plane, and the box-girder bottom flange (22) of box-girder (2) is lower than the i beam bottom flange (32) of i beam (3).
2. box beam/column with steel structure according to claim 1 is connected the special-shaped node of cross with box-girder with i beam; It is characterized in that, in box column (1), be respectively arranged with: with the last stiffening rib (4) of box-girder top flange (21) height such as grade and level, with the middle stiffening rib (5) of i beam bottom flange (32) height such as grade and level and with the following stiffening rib (6) of box-girder bottom flange (22) height such as grade and level.
3. box beam/column with steel structure according to claim 2 is connected the special-shaped node of cross with box-girder with i beam; It is characterized in that; The said post edge of a wing (11 of going up stiffening rib (4), middle stiffening rib (5) and following stiffening rib (6) and box column (1); 12) connect with electroslag welding with consumable nozzle, be connected with the groove penetration weld with the column web (13) of box column (1).
4. box beam/column with steel structure according to claim 1 and 2 is connected the special-shaped node of cross with box-girder with i beam, it is characterized in that, between box column (1) and the box-girder (2), between box column (1) and the i beam (3), all adopts to be rigidly connected.
5. box beam/column with steel structure according to claim 4 is connected the special-shaped node of cross with box-girder with i beam, it is characterized in that, said being rigidly connected to weldering connection or bolt weldering mix connection entirely.
6. box beam/column with steel structure according to claim 5 is connected the special-shaped node of cross with box-girder with i beam, it is characterized in that,
Box-girder top flange (21) is connected with the first post edge of a wing (11) through the groove penetration weld with box-girder bottom flange (22), and the box-girder web (23) of box-girder (2) is connected with the first post edge of a wing (11) through twin fillet wolt;
I beam top flange (31) is connected with the second post edge of a wing (12) through the groove penetration weld with i beam bottom flange (32), and the I-beam web (33) of i beam (3) is connected with the second post edge of a wing (12) through twin fillet wolt.
7. box beam/column with steel structure according to claim 5 is connected the special-shaped node of cross with box-girder with i beam, it is characterized in that,
Box-girder top flange (21) is connected with the first post edge of a wing (11) through the groove penetration weld with box-girder bottom flange (22), and the box-girder web (23) of box-girder (2) is connected with the first post edge of a wing (11) with high-strength bolt through angle steel or shear plate;
I beam top flange (31) is connected with the second post edge of a wing (12) through the groove penetration weld with i beam bottom flange (32), and the I-beam web (33) of i beam (3) is connected with the second post edge of a wing (12) with high-strength bolt through angle steel or shear plate.
8. box beam/column with steel structure according to claim 5 is connected the special-shaped node of cross with box-girder with i beam, it is characterized in that,
Box-girder top flange (21) is connected with the first post edge of a wing (11) through the groove penetration weld with box-girder bottom flange (22), and the box-girder web (23) of box-girder (2) is connected with the first post edge of a wing (11) with high-strength bolt through angle steel or shear plate;
I beam top flange (31) is connected with the second post edge of a wing (12) through the groove penetration weld with i beam bottom flange (32), and the I-beam web (33) of i beam (3) is connected with the second post edge of a wing (12) through twin fillet wolt.
9. box beam/column with steel structure according to claim 5 is connected the special-shaped node of cross with box-girder with i beam, it is characterized in that,
Box-girder top flange (21) is connected with the first post edge of a wing (11) through the groove penetration weld with box-girder bottom flange (22), and the box-girder web (23) of box-girder (2) is connected with the first post edge of a wing (11) through twin fillet wolt;
I beam top flange (31) is connected with the second post edge of a wing (12) through the groove penetration weld with i beam bottom flange (32), and the I-beam web (33) of i beam (3) is connected with the second post edge of a wing (12) with high-strength bolt through angle steel or shear plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202622218U CN202202410U (en) | 2011-07-22 | 2011-07-22 | Cross-shaped abnormal joint formed by connection of steel structure box column, box beam and I beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202622218U CN202202410U (en) | 2011-07-22 | 2011-07-22 | Cross-shaped abnormal joint formed by connection of steel structure box column, box beam and I beam |
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| CN202202410U true CN202202410U (en) | 2012-04-25 |
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| CN2011202622218U Expired - Fee Related CN202202410U (en) | 2011-07-22 | 2011-07-22 | Cross-shaped abnormal joint formed by connection of steel structure box column, box beam and I beam |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704718A (en) * | 2012-05-29 | 2012-10-03 | 西安建筑科技大学 | Large-scale thermal power plant steel structure combining system with high shock resistance |
| CN102926464A (en) * | 2012-11-09 | 2013-02-13 | 沈阳建筑大学 | Connection node suitable for the deformed steel frame with different heights of left beam and right beams |
| CN105971117A (en) * | 2016-03-16 | 2016-09-28 | 西安建筑科技大学 | Pseudo-classic architecture steel-frame structure with box type cross-section girders |
| CN106759884A (en) * | 2016-12-03 | 2017-05-31 | 合肥俊刚机械科技有限公司 | A kind of overhang end plate beam column connected node structure |
| CN108755937A (en) * | 2018-08-10 | 2018-11-06 | 东华理工大学 | A kind of steel core concrete column connect cross abnormity node with box-girder and I-beam |
| CN109736431A (en) * | 2018-12-19 | 2019-05-10 | 西安理工大学 | A kind of cantilever side plate being applicable in multi and tall steel building is linked and packed formula node |
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2011
- 2011-07-22 CN CN2011202622218U patent/CN202202410U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704718A (en) * | 2012-05-29 | 2012-10-03 | 西安建筑科技大学 | Large-scale thermal power plant steel structure combining system with high shock resistance |
| CN102926464A (en) * | 2012-11-09 | 2013-02-13 | 沈阳建筑大学 | Connection node suitable for the deformed steel frame with different heights of left beam and right beams |
| CN105971117A (en) * | 2016-03-16 | 2016-09-28 | 西安建筑科技大学 | Pseudo-classic architecture steel-frame structure with box type cross-section girders |
| CN105971117B (en) * | 2016-03-16 | 2018-06-12 | 西安建筑科技大学 | A kind of pseudo-classic architecture steel-frame structure using Box section beam |
| CN106759884A (en) * | 2016-12-03 | 2017-05-31 | 合肥俊刚机械科技有限公司 | A kind of overhang end plate beam column connected node structure |
| CN108755937A (en) * | 2018-08-10 | 2018-11-06 | 东华理工大学 | A kind of steel core concrete column connect cross abnormity node with box-girder and I-beam |
| CN109736431A (en) * | 2018-12-19 | 2019-05-10 | 西安理工大学 | A kind of cantilever side plate being applicable in multi and tall steel building is linked and packed formula node |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20120722 |