CN103790241B - A kind of Bolted angle connection method of H type steel flanged beam beam and laced of battened compression member - Google Patents

A kind of Bolted angle connection method of H type steel flanged beam beam and laced of battened compression member Download PDF

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CN103790241B
CN103790241B CN201410025607.5A CN201410025607A CN103790241B CN 103790241 B CN103790241 B CN 103790241B CN 201410025607 A CN201410025607 A CN 201410025607A CN 103790241 B CN103790241 B CN 103790241B
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steel
steel plate
pipe column
junction
steel pipe
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CN103790241A (en
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龚顺风
任晓阁
程鹏
侯阳阳
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The invention discloses a kind of Bolted angle connection method of H type steel flanged beam beam and laced of battened compression member, laced of battened compression member is made up of 4 quadrate steel pipe columns, utilize junction steel plate to be connected by welding manner the medial and lateral of 4 quadrate steel pipe columns, being formed with quadrate steel pipe column is tubular node structure inside and outside four angle points; Annular is set at the top of inside and outside tubular node structure and bottom and strengthens steel plate to strengthen mutual connection; Angle steel is finally utilized to be connected with H type steel flanged beam beam by laced of battened compression member with high-strength bolt.This technology makes load arm of force when being passed to laced of battened compression member that H type steel flanged beam beam bears minimum, reduce the torsional interaction that load produces laced of battened compression member to a great extent, thus the load propagation function effectively completed smoothly between H type steel flanged beam beam and laced of battened compression member, and connected node force transfer system is clear and definite, reasonable stress, be convenient to site operation and installation again.

Description

A kind of Bolted angle connection method of H type steel flanged beam beam and laced of battened compression member
Technical field
The present invention relates to structural steelwork beam-to-column joint field, particularly relate to a kind of Bolted angle connection method being applicable to H type steel flanged beam beam and laced of battened compression member.
Background technology
Steel work has that intensity is high, anti-seismic performance good, from the plurality of advantages such as heavy and light, easy construction, therefore applied widely in civilian and industrial construction.In steel framed structure, the performance of connected node directly affects the rigidity of total system, stability and supporting capacity, and therefore connected node is the collaborative work of guarantee beam column, forms integrally-built key component.
Due to diversity and the complexity of form of architecture joints, the stress performance more complicated of node, also stricter to the requirement of the method for designing of node.In current structural steelwork, beam-to-column joint technology is mainly for the connection of steel flanged beam section steel beam and steel flanged beam steel column.Laced of battened compression member not only has the performances such as reasonable stress, anti-side rigidity are large, economy and beautiful appearance, and in steel structure reinforcing engineering, can newly found laced of battened compression member in former post position to carry out reinforcing and extending in the unaffected situation of existing post, therefore laced of battened compression member will be widely used in structural steelwork.And the connected node design comparison of steel flanged beam beam and laced of battened compression member is complicated, link technique is also weaker, and this just proposes very large challenge to the method for attachment of steel flanged beam beam and laced of battened compression member.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of Bolted angle connection method of H type steel flanged beam beam and laced of battened compression member is provided.
The object of the invention is to be achieved through the following technical solutions: a kind of Bolted angle connection method of steel work H type steel flanged beam beam and laced of battened compression member, the method comprises the following steps:
(1) utilize junction steel plate to connect laced of battened compression member and form inside and outside tubular node structure: laced of battened compression member is made up of first party steel pipe column, second party steel pipe column, third steel tubing string and the 4th quadrate steel pipe column.The first junction steel plate is utilized to be connected by welded corner joint mode with the inner side of second party steel pipe column by first party steel pipe column; The second junction steel plate is utilized to be connected by welded corner joint mode the inner side of third steel tubing string with the 4th quadrate steel pipe column; The 3rd junction steel plate is utilized to be connected with the second junction steel plate by the first junction steel plate by butt-welded mode with the corresponding position, inner side of third steel tubing string at first party steel pipe column; The 4th junction steel plate is utilized to be connected with the second junction steel plate by the first junction steel plate by butt-welded mode in the corresponding position, inner side of second party steel pipe column with the 4th quadrate steel pipe column.For ensureing the intensity of connected node and the stability of junction steel plate, the stiffener that the centre position docking welding of the first junction steel plate is vertical between first party steel pipe column and second party steel pipe column.The 5th junction steel plate is utilized first party steel pipe column, second party steel pipe column to be connected by docking welding manner with the outside of stiffener; The 6th junction steel plate is utilized to be connected by docking welding manner with the outside of the 4th quadrate steel pipe column by third steel tubing string; The 7th junction steel plate is utilized to be connected with the second junction steel plate by the first junction steel plate by docking welding manner with the corresponding position, outside of third steel tubing string at first party steel pipe column; The 8th junction steel plate is utilized to be connected with the second junction steel plate by the first junction steel plate by docking welding manner with the corresponding position, outside of the 4th quadrate steel pipe column at second party steel pipe column.
Just defining with first party steel pipe column, second party steel pipe column, third steel tubing string and the 4th quadrate steel pipe column after utilizing junction steel plate to be connected by four quadrate steel pipe columns is tubular node structure inside and outside four angle points.Cooperative bearing between each quadrate steel pipe column that inside and outside tubular node structure makes laced of battened compression member, the destruction that can effectively prevent single quadrate steel pipe column from producing under the effect of axle power and local buckling's phenomenon.
(2) annular is set at inside and outside tubular node top and bottom and strengthens steel plate: strengthen steel plate in inside and outside tubular node structure welded top first, strengthen steel plate at the bottom welding second of inside and outside tubular node structure.Strengthen steel plate and quadrate steel pipe column, between junction steel plate and stiffener and the connection strengthened between steel plate all adopt butt-welded mode.Reinforcement steel plate after welding forms annular and strengthens steel plate, effectively improves the strength and stiffness of connected node, strengthens the connection between quadrate steel pipe column and junction steel plate.
(3) utilize angle steel to be connected H type steel flanged beam beam and laced of battened compression member with high-strength bolt: H type steel flanged beam beam to be connected with laced of battened compression member side web on welded corner joint angle steel, angle steel is connected to realize being articulated and connected of H type steel flanged beam beam and laced of battened compression member by recycling high-strength bolt with the 5th junction steel plate.This kind of connected mode makes the arm of force of load to laced of battened compression member that H type steel flanged beam beam bears minimum, the torsional interaction produced on laced of battened compression member when therefore transmitting load is minimum, thus reduces the destruction occurred when laced of battened compression member bears torsional interaction largely.For ease of high-strength bolt connecting angle and junction steel plate, need reserved bolt installation hand hole on the 5th junction steel plate.After completing the connection of angle steel and junction steel plate, then the strength reduction that repair welding shutoff causes connected node to prevent local excavation is carried out to bolt installation hand hole.
The invention has the beneficial effects as follows, the present invention makes the arm of force of load when being passed to laced of battened compression member that H type steel flanged beam beam bears minimum for the Bolted angle connection method connecting H type steel flanged beam beam and laced of battened compression member and provide, thus reduce the torsional interaction that load produces laced of battened compression member largely, effectively prevent laced of battened compression member and be subject to torsional interaction and the destruction occurred.The laced of battened compression member adopted in the present invention not only has that anti-side rigidity is large, economic dispatch performance, simultaneously in the reinforcing and extension project of existing structure can when not affecting existing post in former post position new vertical laced of battened compression member.The beam-column connection that this method of attachment is formed can meet the requirement of the rigidity of structure and intensity, meet the design principles of " strong node, weak component " in structural steel design, effectively can complete the load propagation function between H type steel flanged beam beam and laced of battened compression member smoothly, and this method of attachment easy construction, be a kind of beam-to-column joint method that can be widely used in structural steelwork, have broad application prospects.
Accompanying drawing explanation
Fig. 1 is the Bolted angle connection schematic diagram of H type steel flanged beam beam of the present invention and laced of battened compression member;
Fig. 2 is the Bolted angle connection schematic diagram lateral view of H type steel flanged beam beam of the present invention and laced of battened compression member;
Fig. 3 is the A-A sectional drawing of Fig. 1;
Fig. 4 is the B-B sectional drawing of Fig. 1;
In figure, first party steel pipe column 11, second party steel pipe column 12, third steel tubing string 13, the 4th quadrate steel pipe column 14, first junction steel plate 21, second junction steel plate 22, the 3rd junction steel plate 23, the 4th junction steel plate 24, the 5th junction steel plate 25, the 6th junction steel plate 26, the 7th junction steel plate 27, the 8th junction steel plate 28, stiffener 3, H type steel flanged beam beam 4, first are strengthened steel plate 51, second and are strengthened steel plate 52, angle steel 6, high-strength bolt 7, bolt installation hand hole 8.
Detailed description of the invention
For the torsional interaction making the load that H type steel flanged beam beam acts on produce laced of battened compression member is minimum, and make H type steel flanged beam beam and laced of battened compression member connected node have enough Rigidity and strengths, meet the requirement of " strong node, weak component " principle in structural steel design, need the connected mode designing H type steel flanged beam beam and laced of battened compression member, be also finally passed to heel foundation to guarantee that the internal force of H type steel flanged beam beam is passed on laced of battened compression member smoothly effectively.The Bolted angle connection method of H type steel flanged beam beam of the present invention and laced of battened compression member, comprises the following steps:
1, utilize junction steel plate to connect laced of battened compression member and form inside and outside tubular node structure:
As shown in Figure 3, laced of battened compression member is made up of first party steel pipe column 11, second party steel pipe column 12, third steel tubing string 13 and the 4th quadrate steel pipe column 14.The first junction steel plate 21 is utilized to be connected by welded corner joint mode with the inner side of second party steel pipe column 12 by first party steel pipe column 11; The second junction steel plate 22 is utilized to be connected by welded corner joint mode the inner side of third steel tubing string 13 with the 4th quadrate steel pipe column 14; The 3rd junction steel plate 23 is utilized to be connected with the second junction steel plate 22 by first junction steel plate 21 by butt-welded mode with the corresponding position, inner side of third steel tubing string 13 at first party steel pipe column 11; The 4th junction steel plate 24 is utilized to be connected with the second junction steel plate 22 by first junction steel plate 21 by butt-welded mode with the corresponding position, inner side of the 4th quadrate steel pipe column 14 at second party steel pipe column 12.For ensureing the intensity of connected node and the stability of junction steel plate, the stiffener 3 that the centre position docking welding of the first junction steel plate 21 is vertical between first party steel pipe column 11 and second party steel pipe column 12.The 5th junction steel plate 25 is utilized first party steel pipe column 11, second party steel pipe column 12 to be connected by docking welding manner with the outside of stiffener 3; The 6th junction steel plate 26 is utilized to be connected by docking welding manner with the outside of the 4th quadrate steel pipe column 14 by third steel tubing string 13; The 7th junction steel plate 27 is utilized to be connected with the second junction steel plate 22 by first junction steel plate 21 by docking welding manner with the corresponding position, outside of third steel tubing string 13 at first party steel pipe column 11; The 8th junction steel plate 28 is utilized to be connected with the second junction steel plate 22 by first junction steel plate 21 by docking welding manner with the corresponding position, outside of the 4th quadrate steel pipe column 14 at second party steel pipe column 12.
Just defining with first party steel pipe column 11, second party steel pipe column 12, third steel tubing string 13 and the 4th quadrate steel pipe column 14 after utilizing junction steel plate to be connected by four quadrate steel pipe columns is tubular node structure inside and outside four angle points.Cooperative bearing between each quadrate steel pipe column that inside and outside tubular node structure makes laced of battened compression member, the destruction that can effectively prevent single quadrate steel pipe column from producing under the effect of axle power and local buckling's phenomenon.
2, annular is set at inside and outside tubular node top and bottom and strengthens steel plate:
As shown in Figure 1, strengthen steel plate 51 in inside and outside tubular node structure welded top first, strengthen steel plate 52 at the bottom welding second of inside and outside tubular node structure.First strengthens the shape of steel plate 51 as shown in Figure 3, and second strengthens the shape of steel plate 52 as shown in Figure 4.Strengthen steel plate and quadrate steel pipe column, between junction steel plate and stiffener and the connection strengthened between steel plate all adopt butt-welded mode.Reinforcement steel plate after welding forms annular and strengthens steel plate, effectively improves the strength and stiffness of connected node, strengthens the connection between quadrate steel pipe column and junction steel plate.
3, angle steel is utilized to be connected H type steel flanged beam beam and laced of battened compression member with high-strength bolt:
As shown in Figure 4, H type steel flanged beam beam 4 to be connected with laced of battened compression member side web on welded corner joint angle steel 6, angle steel is connected to realize being articulated and connected of H type steel flanged beam beam and laced of battened compression member by recycling high-strength bolt 7 with the 5th junction steel plate 25.This kind of connected mode makes the arm of force of load to laced of battened compression member that H type steel flanged beam beam bears minimum, the torsional interaction produced on laced of battened compression member when therefore transmitting load is minimum, thus reduces the destruction occurred when laced of battened compression member bears torsional interaction largely.For ease of high-strength bolt connecting angle and junction steel plate, need reserved bolt installation hand hole 8 on the 5th junction steel plate 25, as shown in Figure 2.After completing the connection of angle steel and junction steel plate, then the strength reduction that repair welding shutoff causes connected node to prevent local excavation is carried out to bolt installation hand hole 8.

Claims (1)

1. a Bolted angle connection method for H type steel flanged beam beam and laced of battened compression member, it is characterized in that, the method comprises the following steps:
Step one, utilize junction steel plate connect laced of battened compression member form inside and outside tubular node structure: laced of battened compression member is made up of first party steel pipe column (11), second party steel pipe column (12), third steel tubing string (13) and the 4th quadrate steel pipe column (14); The first junction steel plate (21) is utilized to be connected by welded corner joint mode the inner side of first party steel pipe column (11) with second party steel pipe column (12); The second junction steel plate (22) is utilized to be connected by welded corner joint mode the inner side of third steel tubing string (13) with the 4th quadrate steel pipe column (14); The 3rd junction steel plate (23) is utilized to be connected with the second junction steel plate (22) by the first junction steel plate (21) by butt-welded mode with the corresponding position, inner side of third steel tubing string (13) at first party steel pipe column (11); The 4th junction steel plate (24) is utilized to be connected with the second junction steel plate (22) by the first junction steel plate (21) by butt-welded mode in the corresponding position, inner side of second party steel pipe column (12) with the 4th quadrate steel pipe column (14); For ensureing the intensity of connected node and the stability of junction steel plate, the stiffener (3) that the centre position docking welding of the first junction steel plate (21) is vertical between first party steel pipe column (11) and second party steel pipe column (12); The 5th junction steel plate (25) is utilized first party steel pipe column (11), second party steel pipe column (12) to be connected by docking welding manner with the outside of stiffener (3); The 6th junction steel plate (26) is utilized to be connected by docking welding manner with the outside of the 4th quadrate steel pipe column (14) by third steel tubing string (13); The 7th junction steel plate (27) is utilized to be connected with the second junction steel plate (22) by the first junction steel plate (21) by docking welding manner with the corresponding position, outside of third steel tubing string (13) at first party steel pipe column (11); The 8th junction steel plate (28) is utilized to be connected with the second junction steel plate (22) by the first junction steel plate (21) by docking welding manner with the corresponding position, outside of the 4th quadrate steel pipe column (14) at second party steel pipe column (12); Just defining with first party steel pipe column (11), second party steel pipe column (12), third steel tubing string (13) and the 4th quadrate steel pipe column (14) after utilizing junction steel plate four quadrate steel pipe columns to be connected is the inside and outside tubular node structure of four angle points;
Step 2, annular is set at inside and outside tubular node top and bottom strengthens steel plate: strengthen steel plate (51) in inside and outside tubular node structure welded top first, strengthen steel plate (52) at the bottom welding second of inside and outside tubular node structure; Strengthen steel plate and quadrate steel pipe column, between junction steel plate and stiffener and the connection strengthened between steel plate all adopt butt-welded mode;
Step 3, utilize angle steel to be connected H type steel flanged beam beam and laced of battened compression member with high-strength bolt: H type steel flanged beam beam (4) to be connected with laced of battened compression member side web on welded corner joint angle steel (6), angle steel is connected to realize being articulated and connected of H type steel flanged beam beam and laced of battened compression member by recycling high-strength bolt (7) with the 5th junction steel plate (25); For ease of high-strength bolt connecting angle and junction steel plate, need at the upper reserved bolt installation hand hole (8) of the 5th junction steel plate (25); After completing the connection of angle steel and junction steel plate, then the strength reduction that repair welding shutoff causes connected node to prevent local excavation is carried out to bolt installation hand hole (8).
CN201410025607.5A 2014-01-21 2014-01-21 A kind of Bolted angle connection method of H type steel flanged beam beam and laced of battened compression member Active CN103790241B (en)

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CN107355007B (en) * 2017-08-31 2019-02-15 青岛理工大学 The connection structure of concrete filled steel tube coupled column bean column node
CN108086478A (en) * 2017-12-20 2018-05-29 厦门大学 Quadrate steel pipe column and I-beam flat push type dovetail assembling frame Joint design method

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CN203174767U (en) * 2013-04-11 2013-09-04 香港华艺设计顾问(深圳)有限公司 Steel reinforced concrete frame four-corner barrel bi-directional large-span steel truss mixed structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001241102A (en) * 2000-02-28 2001-09-04 Tomoe Corp Connecting part structure for box type cross sectional column to connect to steel column and beam
CN101435226A (en) * 2008-12-12 2009-05-20 天津市建工工程总承包有限公司 Method for connecting lattice type steel column middle drooping parts
CN201722703U (en) * 2010-06-13 2011-01-26 宁波建工股份有限公司 Section steel platform tower crane base
CN202658724U (en) * 2012-05-23 2013-01-09 马钢(集团)控股有限公司 Full-bolt connecting node structure of H-shaped steel beam and H-shaped steel column
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