CN104674952A - Connection joint and connection method for box girder and box column - Google Patents
Connection joint and connection method for box girder and box column Download PDFInfo
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- CN104674952A CN104674952A CN201510091720.8A CN201510091720A CN104674952A CN 104674952 A CN104674952 A CN 104674952A CN 201510091720 A CN201510091720 A CN 201510091720A CN 104674952 A CN104674952 A CN 104674952A
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Abstract
The invention discloses a connection joint for a box girder and a box column. The connection joint comprises two inner clapboards which are fixedly connected in the box column, wherein the outer side of a column flange close to the box girder is fixedly connected with two connection plates; two girder webs and the two connection plates correspond one by one; the girder webs are connected with the connection plates through bolts; a girder flange is cut off close to the column flange, thereby forming an installation auxiliary gap which is convenient for connecting the girder webs and the connection plates through bolts; a girder flange complement steel plate is arranged on the installation auxiliary gap. By adopting the connection joint, connection of the box girder and the box column can be realized effectively. The invention further discloses a connection method for the box girder and the box column. The connection method comprises the following steps: installing the inner clapboards; reserving the installation auxiliary gap; installing the connecting plates; connecting the girder webs and the connection plates; enclosing the installation auxiliary gap. By adopting the connection method, feasible operation steps are provided for effective connection of the box girder and the box column, and operation is easy.
Description
Technical field
The invention belongs to technical field of buildings, be specifically related to connected node and the method for attachment of a kind of box-girder and box column.
Background technology
Box-girder is because of its good torsional rigidity thus have extraordinary security performance, when Specific construction, can large span be accomplished, architecturally can obtain large space, and building height can not be sacrificed or meet building height and increase the drawback that the high cost brought of construction level improves.In addition, box column has good rigidity, resistance to load superior performance and being widely used because of it.If by box-girder and box column with the use of, building can be made both to obtain large space, structural safety requirement can be met again.But the node way that the connection neither one of current steel structures in construction works box-girder and box column is perfect, cannot realize the connection of box-girder and box column, therefore just limit popularization and the use of box-girder.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, the connected node of a kind of box-girder and box column is provided.This connected node effectively can realize the connection of box column and box-girder, thus the torsional rigidity making box-girder good and the good compressive property of box column perfectly combine, and when Specific construction, can accomplish large span, architecturally can obtain large space.
For achieving the above object, the technical scheme that the connected node of box-girder of the present invention and box column adopts is: the connected node of a kind of box-girder and box column, box column is made up of the post edge of a wing of the column web of two parallel layings laying parallel with two, box-girder is made up of the flange of beam of the web of two parallel layings laying parallel with two, it is characterized in that: this connected node comprises and being fixedly connected in described box column and two internal partitions laid in level, two described internal partitions and two described flange of beam position one_to_one corresponding, two junction plates are fixedly connected with near the outside on the post edge of a wing of described box-girder, two described webs and two described junction plate one_to_one corresponding, and described web is connected with junction plate bolt corresponding thereto, on described flange of beam and close post edge of a wing place is truncated thus forms the installation additional notches for facilitating bolt to connect described web and junction plate, the flange of beam that described installation additional notches place is provided with for being closed supplies steel plate, one end that described flange of beam supplies steel plate is fixedly connected with flange of beam, the other end that described flange of beam supplies steel plate is fixedly connected with the post edge of a wing, described flange of beam is supplied steel plate and is fixedly connected with two webs.
Above-mentioned a kind of box-girder and the connected node of box column, is characterized in that: described flange of beam is supplied on steel plate and offered multiple through hole.
Above-mentioned a kind of box-girder and the connected node of box column, is characterized in that: described flange of beam is supplied edges of plate portion and offered side notch.
Above-mentioned a kind of box-girder and the connected node of box column, is characterized in that: the two ends, left and right of described internal partition and two post edge of a wing one_to_one corresponding are welded to connect, and the rear and front end of described internal partition and two column web one_to_one corresponding are welded to connect; Described junction plate and the post edge of a wing are welded to connect; Described flange of beam supplies one end of steel plate and flange of beam is welded to connect, and described flange of beam supplies the other end of steel plate and the post edge of a wing is welded to connect, and described flange of beam supplies steel plate and two webs are welded to connect.
Above-mentioned a kind of box-girder and the connected node of box column, is characterized in that: it is 500mm ~ 1000mm that described flange of beam supplies steel plate along the length of box-girder bearing of trend.
Above-mentioned a kind of box-girder and the connected node of box column, is characterized in that: described junction plate is arranged on the inner side of described web.
Present invention also offers the method for attachment of a kind of box-girder and box column.This method of attachment can form enhance green fluorescent protein on the one hand, box-girder is firmly connected with box column, meets structural bearing capacity requirement, and effectively overcomes the technical barrier that box-girder cannot be connected with box column by prior art.
For achieving the above object, the technical scheme that the method for attachment of box-girder of the present invention and box column adopts is: the method for attachment of a kind of box-girder and box column, is characterized in that, comprises the following steps:
Step one, installation internal partition: choose two internal partitions, two post edge of a wing one_to_one corresponding of the two ends, left and right of described internal partition and box column are welded to connect, two column web one_to_one corresponding of the rear and front end of described internal partition and box column are welded to connect;
Step 2, reserved installation additional notches: all block on two of box-girder flange of beams and near the position on the box column post edge of a wing, reserve installation additional notches;
Step 3, installation junction plate: weld two junction plates in the outside on the post edge of a wing near box-girder, and make two described junction plates and two web one_to_one corresponding;
Step 4, tie-beam web and junction plate: use multiple bolt to be connected with web corresponding thereto by junction plate, stretch into box-girder by locking nut from described installation additional notches inner by described bolt-locking;
Step 5, closed described installation additional notches: the flange of beam being used for being closed is set at described installation additional notches place and supplies steel plate, one end that described flange of beam supplies steel plate is welded mutually with flange of beam, the other end described flange of beam being supplied steel plate welds mutually with the post edge of a wing, described flange of beam is supplied steel plate to weld mutually with two webs, namely complete the connection of box-girder and box column.
Above-mentioned a kind of box-girder and the method for attachment of box column, is characterized in that: multiple described bolt is single-row or multiple row is laid.
The present invention compared with prior art has the following advantages:
1, connected node of the present invention supplies the enhance green fluorescent protein of steel plate formation by internal partition, junction plate and flange of beam, effectively achieves the connection of box-girder and box column, overcomes the difficult problem that in prior art, box-girder cannot be connected with box column.By improving nodes domains rigidity, improving ultimate bearing capacity of joints and anti-seismic performance, meeting the aseismatic design concept of " strong node, the weak component " that national design specifications requires.The node load-carrying properties of this connected node are good, and anti-seismic performance is good.
2, connected node of the present invention steel plate offers through hole and side notch weakens to reach the object that flange of beam supplies steel plate rigidity by supplying at flange of beam.When there is earthquake; due to the flange of beam being provided with through hole and side notch, to supply steel plate rigidity more weak; first distortion can be produced under earthquake potential damage; the flange of beam of generation distortion is supplied steel plate and can be absorbed seismic energy; thus effectively avoid box column and this connected node to produce destruction, and then protect the safety of whole building structure.That is, adopt described flange of beam to supply aseismatic design concept that steel plate can reach " strong node, weak component ", initiatively can absorb seismic energy by distortion.
3, connected node of the present invention is by being arranged on the inner side of described web by described junction plate.By inner at box-girder for junction plate protection, effectively can protect junction plate like this, and then ensure that effective connection of this connecting joint structure complete and box column and box-girder.
4, method of attachment of the present invention, by arranging installation additional notches, what facilitate described web and junction plate carries out bolt connection, after web is connected with junction plate bolt, supply steel plate with flange of beam more described installation additional notches is closed, described flange of beam is supplied steel plate and flange of beam and the post edge of a wing and web and is welded mutually, further enhancing ultimate bearing capacity of joints.
5, method of attachment of the present invention, easy and simple to handle, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the front view of connected node of the present invention.
Fig. 2 is the top view of connected node of the present invention.
Fig. 3 is a kind of structural representation that in connected node of the present invention, flange of beam supplies steel plate.
Fig. 4 is the another kind of structural representation that in connected node of the present invention, flange of beam supplies steel plate.
Fig. 5 is the method flow diagram of method of attachment of the present invention.
Description of reference numerals:
1-box column; 1-1-column web; 1-2-post edge of a wing;
2-box-girder; 2-1-web; 2-2-flange of beam;
3-internal partition; 4-junction plate; 5-bolt;
6-flange of beam supplies steel plate; 6-1-through hole; 6-2-side notch;
7-locking nut.
Detailed description of the invention
A connected node for box-girder and box column as depicted in figs. 1 and 2, described box column 1 and box-girder 2, described box column 1 is made up of with the post edge of a wing 1-2 being separately positioned on the described column web 1-1 left and right sides the column web 1-1 of two parallel layings, described box-girder 2 is made up of with the flange of beam 2-2 being separately positioned on the described upper and lower both sides of web 2-1 the web 2-1 of two parallel layings, described box column 1 internal fixtion is connected with the internal partition 3 that two levels are laid, the position one_to_one corresponding of two described internal partitions 3 and two described flange of beam 2-2, two junction plates 4 are fixedly connected with near the outside of the post edge of a wing 1-2 of described box-girder 2, two described junction plates 4 all parallel with described web 2-1, two described web 2-1 and two described junction plate 4 one_to_one corresponding, and described web 2-1 is connected with junction plate 4 bolt corresponding thereto, on described flange of beam 2-2 and close 1-2 place, the post edge of a wing is truncated thus forms the installation additional notches for facilitating bolt to connect described web 2-1 and junction plate 4, the described installation additional notches place flange of beam be provided with for being closed supplies steel plate 6, one end that described flange of beam supplies steel plate 6 is fixedly connected with flange of beam 2-2, the other end that described flange of beam supplies steel plate 6 is fixedly connected with post edge of a wing 1-2, described flange of beam is supplied steel plate 6 and is fixedly connected with two web 2-1.
In the present embodiment, two ends, left and right and two post edge of a wing 1-2 one_to_one corresponding of described internal partition 3 are welded to connect, and rear and front end and two column web 1-1 one_to_one corresponding of described internal partition 3 are welded to connect; Described junction plate 4 is welded to connect with post edge of a wing 1-2; Described flange of beam supplies one end of steel plate 6 and flange of beam 2-2 is welded to connect, and described flange of beam supplies the other end of steel plate 6 and post edge of a wing 1-2 is welded to connect, and described flange of beam supplies steel plate 6 and two web 2-1 are welded to connect.
In the present embodiment, the connected node of this box-girder and box column effectively can realize the connection of box column 1 and box-girder 2, thus the good torsional rigidity of box-girder 2 and the good compressive property of box column 1 are perfectly combined, when Specific construction, can large span be accomplished, architecturally can obtain large space.
In the present embodiment, lay by arranging level and with the position one_to_one corresponding internal partition 3 of flange of beam 2-2, nodes domains closed into box-shaped, become enhance green fluorescent protein territory, by arranging junction plate 4, and by multiple bolt 5, web 2-1 is connected with junction plate 4, then flange of beam is supplied steel plate 6 and weld with post edge of a wing 1-2 and flange of beam 2-2 and web 2-1.Like this, by easy building method, improve nodes domains, improve ultimate bearing capacity of joints and anti-seismic performance, meet the aseismatic design concept of " strong node, the weak component " that national design specifications requires.
In the present embodiment, additional notches is installed facilitates described web 2-1 by arranging and be connected with the bolt of junction plate 4, after web 2-1 is connected with junction plate 4 bolt, supply steel plate 6 with flange of beam more described installation additional notches is closed, described flange of beam is supplied steel plate 6 and is welded with flange of beam 2-2 and post edge of a wing 1-2 and web 2-1 phase, further enhancing ultimate bearing capacity of joints.
In the present embodiment, described column web 1-1 and post edge of a wing 1-2 is all welded to connect with internal partition 3, and described junction plate 4 is welded to connect with post edge of a wing 1-2.
As shown in Figure 3, described flange of beam is supplied on steel plate 6 and is offered multiple through hole 6-1 for weakening its rigidity.In Seismic Design of Building; the aseismatic design concept of usual employing " strong node, weak component "; under this theory; when seismic damage; component produces prior to connected node and destroys, and specific in the present embodiment, that is the distortion of box-girder 2 stands in the breach; absorb seismic energy by the distortion of box-girder 2, thus protect whole building not collapse.In the present embodiment, supply at flange of beam and steel plate 6 offers through hole 6-1 and weaken to reach the object that flange of beam supplies steel plate 6 rigidity.When there is earthquake; due to the flange of beam being provided with multiple through hole 6-1, to supply steel plate 6 rigidity more weak; first distortion can be produced under earthquake potential damage; the flange of beam of generation distortion is supplied steel plate 6 and can be absorbed seismic energy; thus effectively avoid box column 1 and this connected node to produce destruction, and then protect the safety of whole building structure.That is, adopt described flange of beam to supply aseismatic design concept that steel plate 6 can reach " strong node, weak component ", initiatively can absorb seismic energy by distortion.
As shown in Figure 4, the edge part that described flange of beam supplies steel plate 6 offers the side notch 6-2 for weakening its rigidity.Supply on steel plate 6 at flange of beam and side notch 6-2 is set; its object is the same with arranging through hole 6-1; the rigidity of steel plate 6 is supplied by weakening flange of beam; thus realize under seismic damage; flange of beam is supplied steel plate 6 and is produced destruction prior to box-girder 2; thus effective guard box ellbeam 2, and then protect the safety of whole building structure.
In the present embodiment, described through hole 6-1 can be circular, square, oval or other shape.Described side notch 6-2 can be arc or other shape.
In the present embodiment, it is 500mm ~ 1000mm that described flange of beam supplies steel plate 6 along the length a of box-girder 2 bearing of trend.Can avoid in earthquake like this, flange of beam is supplied steel plate 6 and is supplied steel plate 6 from flange of beam and to produce with the commissure of flange of beam 2-2 and destroy.If flange of beam supplies steel plate 6 when being less than 500mm along the length of box-girder 2 bearing of trend, in earthquake, flange of beam is supplied steel plate 6 and can be supplied steel plate 6 from flange of beam and to produce with the commissure of flange of beam 2-2 and destroy, thus effectively can not absorb seismic energy.If flange of beam supplies steel plate 6 when being greater than 1000mm along the length of box-girder 2 bearing of trend, then can cause damage to the load-carrying properties of box-girder 2.
As shown in Figure 2, described junction plate 4 is arranged on the inner side of described web 2-1.Junction plate 4 can be protected at box-girder 2 inner like this, can effectively protect junction plate 4, and then ensure that effective connection of this connecting joint structure complete and box column 1 and box-girder 2.
The method of attachment of a kind of box-girder shown in composition graphs 1, Fig. 2 and Fig. 5 and box column, comprises the following steps:
Step one, installation internal partition 3: choose two internal partitions 3, two post edge of a wing 1-2 one_to_one corresponding of the two ends, left and right of described internal partition 3 and box column 1 are welded to connect, two column web 1-1 one_to_one corresponding of the rear and front end of described internal partition 3 and box column 1 are welded to connect;
In the present embodiment, in step one, after first completing the installation of internal partition 3, then two, left and right post edge of a wing 1-2 and former and later two column webs 1-1 is welded to connect thus forms box column 1.
Step 2, reserved installation additional notches: all block on two of box-girder 2 flange of beam 2-2 and near the position of box column 1 post edge of a wing 1-2, reserve installation additional notches;
Step 3, installation junction plate 4: weld two junction plates 4 in the outside of the post edge of a wing 1-2 near box-girder 2, and make two described junction plates 4 and two web 2-1 one_to_one corresponding;
Step 4, tie-beam web 2-1 and junction plate 4: use multiple bolt 5 to be connected with web 2-1 corresponding thereto by junction plate 4, stretch into box-girder 2 inside by locking nut 7 from described installation additional notches and locked by described bolt 5;
Step 5, closed described installation additional notches: the flange of beam being used for being closed is set at described installation additional notches place and supplies steel plate 6, the one end of described flange of beam being supplied steel plate 6 is welded with flange of beam 2-2 phase, the other end described flange of beam being supplied steel plate 6 welds with post edge of a wing 1-2 phase, described flange of beam is supplied steel plate 6 to weld with two web 2-1 phases, namely complete the connection of box-girder 2 and box column 1.
Wherein, multiple described bolt 5 is laid in single-row or multiple row.In the present embodiment, multiple described bolt 5 is in single-row laying.The multiple bolts 5 laid in row can effectively tie-beam web 2-1 and junction plate 4, while can save the quantity that bolt 5 is set.
In the present embodiment, this method of attachment is that the effective connection realizing box-girder 2 and box column 1 provides feasible operating procedure.It can form enhance green fluorescent protein on the one hand, box-girder 2 is firmly connected with box column 1, meets structural requirement; On the other hand, solve the concrete structure for box-girder 2 cleverly, the how problem of erection bolt 5 and locking nut 7, concrete, by offering described installation additional notches, conveniently on bolt 5, locking nut 7 can be installed, finally supply steel plate 6 by flange of beam again and described installation additional notches is closed, thus effectively solve the difficult problem that box-girder 2 cannot be connected with box column 1.
In the present embodiment, described installation additional notches is 500mm ~ 1000mm along the length of box-girder 2 bearing of trend.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solution of the present invention.
Claims (8)
1. the connected node of a box-girder and box column, box column is made up of the post edge of a wing of the column web of two parallel layings laying parallel with two, box-girder is made up of the flange of beam of the web of two parallel layings laying parallel with two, it is characterized in that: this connected node comprises and being fixedly connected in described box column and two internal partitions laid in level, two described internal partitions and two described flange of beam position one_to_one corresponding, two junction plates are fixedly connected with near the outside on the post edge of a wing of described box-girder, two described webs and two described junction plate one_to_one corresponding, and described web is connected with junction plate bolt corresponding thereto, on described flange of beam and close post edge of a wing place is truncated thus forms the installation additional notches for facilitating bolt to connect described web and junction plate, the flange of beam that described installation additional notches place is provided with for being closed supplies steel plate, one end that described flange of beam supplies steel plate is fixedly connected with flange of beam, the other end that described flange of beam supplies steel plate is fixedly connected with the post edge of a wing, described flange of beam is supplied steel plate and is fixedly connected with two webs.
2. the connected node of a kind of box-girder according to claim 1 and box column, is characterized in that: described flange of beam is supplied on steel plate and offered multiple through hole.
3. the connected node of a kind of box-girder according to claim 1 and box column, is characterized in that: described flange of beam is supplied edges of plate portion and offered side notch.
4. the connected node of a kind of box-girder according to claim 1 and box column, it is characterized in that: the two ends, left and right of described internal partition and two post edge of a wing one_to_one corresponding are welded to connect, and the rear and front end of described internal partition and two column web one_to_one corresponding are welded to connect; Described junction plate and the post edge of a wing are welded to connect; Described flange of beam supplies one end of steel plate and flange of beam is welded to connect, and described flange of beam supplies the other end of steel plate and the post edge of a wing is welded to connect, and described flange of beam supplies steel plate and two webs are welded to connect.
5. the connected node of a kind of box-girder according to claim 1 and box column, is characterized in that: it is 500mm ~ 1000mm that described flange of beam supplies steel plate along the length of box-girder bearing of trend.
6. the connected node of a kind of box-girder according to claim 1 and box column, is characterized in that: described junction plate is arranged on the inner side of described web.
7. a method of attachment for box-girder and box column, is characterized in that, comprises the following steps:
Step one, installation internal partition: choose two internal partitions, two post edge of a wing one_to_one corresponding of the two ends, left and right of described internal partition and box column are welded to connect, two column web one_to_one corresponding of the rear and front end of described internal partition and box column are welded to connect;
Step 2, reserved installation additional notches: all block on two of box-girder flange of beams and near the position on the box column post edge of a wing, reserve installation additional notches;
Step 3, installation junction plate: weld two junction plates in the outside on the post edge of a wing near box-girder, and make two described junction plates and two web one_to_one corresponding;
Step 4, tie-beam web and junction plate: use multiple bolt to be connected with web corresponding thereto by junction plate, stretch into box-girder by locking nut from described installation additional notches inner by described bolt-locking;
Step 5, closed described installation additional notches: the flange of beam being used for being closed is set at described installation additional notches place and supplies steel plate, one end that described flange of beam supplies steel plate is welded mutually with flange of beam, the other end described flange of beam being supplied steel plate welds mutually with the post edge of a wing, described flange of beam is supplied steel plate to weld mutually with two webs, namely complete the connection of box-girder and box column.
8. the method for attachment of a kind of box-girder according to claim 7 and box column, is characterized in that: multiple described bolt is single-row or multiple row is laid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510091720.8A CN104674952B (en) | 2015-03-01 | 2015-03-01 | Connection joint and connection method for box girder and box column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510091720.8A CN104674952B (en) | 2015-03-01 | 2015-03-01 | Connection joint and connection method for box girder and box column |
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| CN104674952A true CN104674952A (en) | 2015-06-03 |
| CN104674952B CN104674952B (en) | 2017-02-22 |
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| CN201510091720.8A Active CN104674952B (en) | 2015-03-01 | 2015-03-01 | Connection joint and connection method for box girder and box column |
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| CN110253167A (en) * | 2019-06-26 | 2019-09-20 | 浙江精工钢结构集团有限公司 | A kind of production method of beam column switching node |
| CN111486431A (en) * | 2020-04-17 | 2020-08-04 | 哈尔滨锅炉厂有限责任公司 | Connecting device for box column and box beam |
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