CN202202414U - Crossform special shaped node for rigid connection of box-like steel-structured column and I-shaped beams - Google Patents

Crossform special shaped node for rigid connection of box-like steel-structured column and I-shaped beams Download PDF

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Publication number
CN202202414U
CN202202414U CN201120262267XU CN201120262267U CN202202414U CN 202202414 U CN202202414 U CN 202202414U CN 201120262267X U CN201120262267X U CN 201120262267XU CN 201120262267 U CN201120262267 U CN 201120262267U CN 202202414 U CN202202414 U CN 202202414U
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column
wing
box
girder
post edge
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CN201120262267XU
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薛建阳
刘祖强
彭修宁
胡宗波
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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Abstract

The utility discloses a crossform special shaped node for rigid connection of a box-like steel-structured column and I-shaped beams, which comprises the box-like column. A large I-shaped beam is externally connected with the flange of a first column of the box-like column, a small I-shaped beam is externally connected with the flange of a second column of the box-like column, the upper flange of a girder of the large I-shaped beam and the upper flange of a small beam of the small I-shaped beam are arranged at the same height, and the lower flange of the girder of the large I-shaped beam is lower than the lower flange of the small beam of the small I-shaped beam. The box-like steel-structured column and the I-shaped beams having different section heights at the two sides are in rigid connection to form the crossform special shaped node for the rigid connection of the box-like steel-structured column and the I-shaped beams, the process requirement on a high-capacity unit main workshop of a thermal power plant can be met, the crossform special shaped node has favorable bearing capacity and shock resistance, and a steel main workshop structure can be widely promoted and applied to the high-capacity unit main workshop on a high seismic region.

Description

A kind of box beam/column with steel structure and the i beam special-shaped node of cross that is rigidly connected
Technical field
The utility model relates to the building steel frame node that is rigidly connected, particularly a kind of box beam/column with steel structure and the i beam special-shaped node of cross that is rigidly connected.
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 the i beam special-shaped node of cross that is rigidly connected; I beam through box beam/column with steel structure is different with the both sides depth of section is rigidly connected; Form a kind of box beam/column with steel structure 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 and the i beam special-shaped node of cross that is rigidly connected; Comprise box column 1; The first post edge of a wing, the 11 external big i beams 2 of box column 1; The second post edge of a wing, 12 external little i beams 3, the upper flange of girder 21 of said big i beam 2 and the girder top flange 31 of little i beam 3 are at the sustained height place, and the crossbeam bottom flange 22 of big i beam 2 is lower than the girder bottom flange 32 of little 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 upper flange of girder 21 height such as grade and level, with the middle stiffening rib 5 of girder bottom flange 32 height such as grade and level and with the following stiffening rib 6 of crossbeam 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.
Between box column 1 and the big i beam 2, between box column 1 and the little i beam 3, all adopt to be rigidly connected, for example full weldering connection or bolt weldering mix and connect.
Compared with prior art, the beneficial effect of the utility model is:
1) easy construction because box steel column, 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 i beam 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, the be rigidly connected ductility of the special-shaped node of cross of box beam/column with steel structure and i beam is similar with the rigidly connected regular node of energy dissipation capacity and steel work, 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 web of grider all passes through twin fillet wolt with little 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
Big i beam 2 all adopts the complete special-shaped node of the cross that is connected that welds with little i beam 3 and box column 1.
Extremely shown in Figure 4 like Fig. 1; The utility model is a kind of box beam/column with steel structure and the i beam special-shaped node of cross that is rigidly connected; Comprise box column 1; The first post edge of a wing, the 11 external big i beams 2 of box column 1, the upper flange of girder 21 of big i beam 2 is connected with the first post edge of a wing 11 through the groove penetration weld with crossbeam bottom flange 22, and the web of grider 23 of big i beam 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 little i beams 3, the girder top flange 31 of little i beam 3 is connected with the second post edge of a wing 12 through the groove penetration weld with girder bottom flange 32, and the girder web 33 of little i beam 3 is connected with the second post edge of a wing 12 through twin fillet wolt.Upper flange of girder 21 and girder top flange 31 are at the sustained height place, and crossbeam bottom flange 22 is lower than girder 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 upper flange of girder 21 height such as grade and level, with the middle stiffening rib 5 of girder bottom flange 32 height such as grade and level and with the following stiffening rib 6 of crossbeam 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
Big i beam 2 all adopts the bolt weldering to mix the special-shaped node of the cross that is connected with little i beam 3 and box column 1.
Difference with embodiment one on the structure is,
Upper flange of girder 21 is connected with the first post edge of a wing 11 through the groove penetration weld with crossbeam bottom flange 22, and the web of grider 23 of big i beam 2 is connected with the first post edge of a wing 11 with high-strength bolt through angle steel or shear plate; Girder top flange 31 is connected with the second post edge of a wing 12 through the groove penetration weld with girder bottom flange 32, and the girder web 33 of little 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
Big i beam 2 adopts bolt weldering mixing to be connected with box column 1, the special-shaped node of cross that little i beam 3 is connected with the full weldering of box column 1 employing.
Difference with embodiment one on the structure is,
Upper flange of girder 21 is connected with the first post edge of a wing 11 through the groove penetration weld with crossbeam bottom flange 22, and the web of grider 23 of big i beam 2 is connected with the first post edge of a wing 11 with high-strength bolt through angle steel or shear plate; Girder top flange 31 is connected with the second post edge of a wing 12 through the groove penetration weld with girder bottom flange 32, and the girder web 33 of little i beam 3 is connected with the second post edge of a wing 12 through twin fillet wolt.
Embodiment four
Big i beam 2 adopts full weldering to connect with box column 1, and little 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,
Upper flange of girder 21 is connected with the first post edge of a wing 11 through the groove penetration weld with crossbeam bottom flange 22, and the web of grider 23 of big i beam 2 is connected with the first post edge of a wing 11 through twin fillet wolt; Girder top flange 31 is connected with the second post edge of a wing 12 through the groove penetration weld with girder bottom flange 32, and the girder web 33 of little 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 1 is connected with little i beam 3 with the big i beam 2 that the both sides depth of section does not wait and forms the special-shaped node of cross; I beam adopts bolt weldering mixing to be connected with box column 1 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 big i beam 2 suffered power pass to node area with following stiffening rib 6 through last stiffening rib 4; Little i beam 3 suffered power pass to node area through last stiffening rib 4 with middle stiffening rib 5, reach 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. box beam/column with steel structure and the i beam special-shaped node of cross that is rigidly connected; Comprise box column (1); It is characterized in that the first external big i beam in the post edge of a wing (11) (2) of box column (1), the second external little i beam in the post edge of a wing (12) (3); The upper flange of girder (21) of said big i beam (2) and the girder top flange (31) of little i beam (3) are at the sustained height place, and the crossbeam bottom flange (22) of big i beam (2) is lower than the girder bottom flange (32) of little i beam (3).
2. box beam/column with steel structure according to claim 1 and the i beam special-shaped node of cross that is rigidly connected; It is characterized in that, in box column (1), be respectively arranged with: with the last stiffening rib (4) of upper flange of girder (21) height such as grade and level, with the middle stiffening rib (5) of girder bottom flange (32) height such as grade and level and with the following stiffening rib (6) of crossbeam bottom flange (22) height such as grade and level.
3. box beam/column with steel structure according to claim 2 and the i beam special-shaped node of cross that is rigidly connected; 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 and the i beam special-shaped node of cross that is rigidly connected is characterized in that, box column (1), all adopts to be rigidly connected between box column (1) and the little i beam (3) with greatly between the i beam (2).
5. box beam/column with steel structure according to claim 4 and the i beam special-shaped node of cross that is rigidly connected is characterized in that, said being rigidly connected is that full weldering connects or the bolt weldering mixes and connects.
6. box beam/column with steel structure according to claim 5 and the i beam special-shaped node of cross that is rigidly connected is characterized in that,
Upper flange of girder (21) is connected with the first post edge of a wing (11) through the groove penetration weld with crossbeam bottom flange (22), and the web of grider (23) of big i beam (2) is connected with the first post edge of a wing (11) through twin fillet wolt;
Girder top flange (31) is connected with the second post edge of a wing (12) through the groove penetration weld with girder bottom flange (32), and the little web (33) of little 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 and the i beam special-shaped node of cross that is rigidly connected is characterized in that,
Upper flange of girder (21) is connected with the first post edge of a wing (11) through the groove penetration weld with crossbeam bottom flange (22), and the web of grider (23) of big i beam (2) is connected with the first post edge of a wing (11) with high-strength bolt through angle steel or shear plate;
Girder top flange (31) is connected with the second post edge of a wing (12) through the groove penetration weld with girder bottom flange (32), and the little web (33) of little 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 and the i beam special-shaped node of cross that is rigidly connected is characterized in that,
Upper flange of girder (21) is connected with the first post edge of a wing (11) through the groove penetration weld with crossbeam bottom flange (22), and the web of grider (23) of big i beam (2) is connected with the first post edge of a wing (11) with high-strength bolt through angle steel or shear plate;
Girder top flange (31) is connected with the second post edge of a wing (12) through the groove penetration weld with girder bottom flange (32), and the little web (33) of little 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 and the i beam special-shaped node of cross that is rigidly connected is characterized in that,
Upper flange of girder (21) is connected with the first post edge of a wing (11) through the groove penetration weld with crossbeam bottom flange (22), and the web of grider (23) of big i beam (2) is connected with the first post edge of a wing (11) through twin fillet wolt;
Girder top flange (31) is connected with the second post edge of a wing (12) through the groove penetration weld with girder bottom flange (32), and the little web (33) of little i beam (3) is connected with the second post edge of a wing (12) with high-strength bolt through angle steel or shear plate.
CN201120262267XU 2011-07-22 2011-07-22 Crossform special shaped node for rigid connection of box-like steel-structured column and I-shaped beams Expired - Fee Related CN202202414U (en)

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Application Number Priority Date Filing Date Title
CN201120262267XU CN202202414U (en) 2011-07-22 2011-07-22 Crossform special shaped node for rigid connection of box-like steel-structured column and I-shaped beams

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Cited By (2)

* Cited by examiner, † Cited by third party
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
CN106088334A (en) * 2016-08-09 2016-11-09 牟犇 A kind of assembled Huge Steel Open tubing string abnormal shape combined joint and installation method

Cited By (2)

* Cited by examiner, † Cited by third party
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
CN106088334A (en) * 2016-08-09 2016-11-09 牟犇 A kind of assembled Huge Steel Open tubing string abnormal shape combined joint and installation method

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Granted publication date: 20120425

Termination date: 20120722