CN104963410A - Sliding connecting joint of steel structure beam column - Google Patents

Sliding connecting joint of steel structure beam column Download PDF

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Publication number
CN104963410A
CN104963410A CN201510335170.XA CN201510335170A CN104963410A CN 104963410 A CN104963410 A CN 104963410A CN 201510335170 A CN201510335170 A CN 201510335170A CN 104963410 A CN104963410 A CN 104963410A
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CN
China
Prior art keywords
steel
column
corbel
flange
slidably
Prior art date
Application number
CN201510335170.XA
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Chinese (zh)
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CN104963410B (en
Inventor
鲍华
廖旭钊
陈强
潘国华
田荣
蔡桦
毛家茂
陈应专
李恺平
劳智源
刘新佳
沈磊
李新坤
董莹琦
张鸿雁
刘翔
黄立中
Original Assignee
中铁第四勘察设计院集团有限公司
广东省建筑设计研究院
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Priority to CN201510335170.XA priority Critical patent/CN104963410B/en
Publication of CN104963410A publication Critical patent/CN104963410A/en
Application granted granted Critical
Publication of CN104963410B publication Critical patent/CN104963410B/en

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Abstract

The invention relates to a sliding connecting joint of a steel structure beam column. The sliding connecting joint comprises a steel beam, a steel column, a steel corbel and two slings, wherein the steel corbel is welded to the side, close to the steel beam, of the steel column, the top elevation of the steel corbel is the same as that of the steel beam, one end, close to the steel column, of the lower flange of the steel beam is located below the steel corbel, the steel corbel and the lower flange are connected through the two slings, the two slings are symmetrically arranged along the axis of the steel beam, and fixing devices for fixing the slings are arranged on the steel corbel and the lower flange respectively. The steel corbel and the lower flange of the steel beam are connected through the slings to achieve slide connection of the steel beam and the steel column, and the eccentric distance of vertical force exerted on the corbel can be effectively reduced, so that the negative influence caused by stress on the steel column by additional bending moment is reduced, and the structure stability and reliability are improved. Meanwhile, by the adoption of the slide connection mode, the sliding connecting joint is simple in structure and convenient to construct and maintain, transfers force definitely, and can save architectural space without affecting attractiveness.

Description

Beam column of steel structure is slidably connected node

Technical field

The present invention relates to a kind of beam column of steel structure to be slidably connected node, belong to field of engineering technology.

Background technology

For some large spans or flexible structure, it often produces larger distortion under geological process or temperature action, when needs discharge this malformation, generally arranges sliding support at the suitable position of structure.Be slidably connected if this when being arranged at territory, steel work non-top layer beam column node area, normally set up bracket in shaft relevant position, bracket places sliding support, then girder steel is put in above sliding support.But when the vertical load that girder steel bears is larger, for meeting requirement for bearing capacity, supporting stand size must increase; For meeting the space requirement that bearing is placed, bracket size is corresponding increase also.Like this, the eccentric throw acting on the vertical force above bracket will be very large, and consequent additional bending moment can have a negative impact to the stressed of pillar.In addition, this structural form also can cause the waste of architectural space, affects attractive in appearance.

Therefore be necessary to design a kind of beam column of steel structure to be slidably connected node, to overcome the problems referred to above.

Summary of the invention

The object of the invention is to the defect overcoming prior art, provide a kind of simple structure, dependable performance and the new steel structure beam column of constructability is slidably connected node.

The present invention is achieved in that

The invention provides a kind of beam column of steel structure to be slidably connected node, comprise girder steel, steel column, steel corbel and two hoist cables, described steel corbel is welded in described steel column near described girder steel side, and the end face absolute altitude of described steel corbel is identical with the end face absolute altitude of described girder steel; Described girder steel comprises bottom flange, described bottom flange is positioned at below described steel corbel near one end of described steel column, described steel corbel is connected by two described hoist cables with described bottom flange, two described hoist cables are symmetrical arranged along described girder steel center line, described steel corbel and described bottom flange are respectively equipped with the fastening devices of fixing described hoist cable.

Further, described fastening devices comprises a pair steel anchor tube, two to described steel anchor tube one by one just to setting, the two ends of hoist cable described in every root respectively with wherein just right two steel anchor tubes anchor connection.

Further, described girder steel also comprises web plate, and described web plate carries out vertical haunch process near the side of described steel column.

Further, Horizontal hunche process is carried out near the side of described steel column in described bottom flange.

Further, the cross section of described girder steel is H type cross section or box-type section.

Further, described hoist cable is high strength steel tow.

Further, described steel anchor tube is chill casting pier nose ground tackle.

The present invention has following beneficial effect: be connected by hoist cable with girder steel bottom flange by steel corbel, realize being slidably connected of girder steel and steel column, the mode of sliding support is adopted in prior art, the present invention does not need to adjust bracket size, effectively reduce the eccentric throw of the vertical force acted on bracket, thus effectively reduce the adverse effect of additional bending moment to the stressed generation of steel column, improve stability and the reliability of structure.Meanwhile, this kind is taked to be slidably connected mode structure simply, easy construction; Power transmission is clear and definite, is convenient to safeguard; And can architectural space be saved, do not affect the appearance.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 to be slidably connected the structural representation of node for beam column of steel structure that the embodiment of the present invention provides;

Fig. 2 is the cross-sectional schematic of Fig. 1 along A-A;

Fig. 3 is the cross-sectional schematic of Fig. 1 along B-B.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of protection of the invention.

As Fig. 1-Fig. 3, the embodiment of the present invention provides a kind of beam column of steel structure to be slidably connected node, comprise girder steel 3, steel column 4, steel corbel 1 and two hoist cables 2, described steel corbel 1 is welded in described steel column 4 near described girder steel 3 side, and the end face absolute altitude of described steel corbel 1 is identical with the end face absolute altitude of described girder steel 3; Described girder steel 3 comprises bottom flange, described bottom flange is positioned at below described steel corbel 1 near one end of described steel column 4, described steel corbel 1 is connected by two described hoist cables 2 with described bottom flange, described steel corbel 1 and described bottom flange is respectively equipped with the fastening devices of fixing described hoist cable 2.Preferably, described fastening devices comprises a pair steel anchor tube 5, two pairs of described steel anchor tubes 5 one by one just to setting, the two ends of hoist cable 2 described in every root respectively with wherein just right two steel anchor tubes 5 anchor connection, a pair steel anchor tube 5 on bottom flange and two hoist cables 2 are all symmetrical arranged along the center line of girder steel 3.That is: steel corbel 1 is provided with a pair steel anchor tube 5, and on bottom flange, correspondence is provided with a pair steel anchor tube 5; A steel anchor tube 5 anchor connection on one end of every root hoist cable 2 and steel corbel 1, just to steel anchor tube 5 anchor connection arranged on the other end and bottom flange, thus realizes being slidably connected of girder steel 3 and steel column 4.Wherein, the cross section of girder steel 3 is H type cross section or box-type section; Described hoist cable 2 is high strength steel tow, and described steel anchor tube 5 is chill casting pier nose ground tackle, with guaranteed strength.

As Fig. 1-Fig. 3, as a kind of preferred structure of the present embodiment, the web plate of described girder steel 3 carries out vertical haunch process near the side of described steel column 4, and Horizontal hunche process is carried out near the side of described steel column 4 in described bottom flange.Bottom flange Horizontal hunche processing mode is for arrange haunch body along girder steel 3 center line in bottom flange bilateral symmetry.Take the mode of haunch can increase the shear resistance of girder steel 3, supporting capacity and shock resistance to girder steel 3, effectively reduce the eccentric adverse effect stressed to beam-column connection of beam.

In addition, have the first spacing, have the second spacing between girder steel 3 and steel column 4 between girder steel 3 end face and steel corbel 1 end face, this second spacing is the spacing between girder steel 3 bottom flange and steel column 4; The size of this first spacing and the second spacing should meet design variations requirement.It is identical or different that this first spacing and the second spacing can be arranged to size, is as the criterion to facilitate practice of construction.

The be slidably connected work progress of node of the beam column of steel structure that the present embodiment provides is as follows:

Step one: first machined steel bracket 1, hoist cable 2, girder steel 3 and steel column 4 during construction.Wherein the web plate of girder steel 3 carries out vertical haunch process, and Horizontal hunche process is carried out in bottom flange.Bottom flange and steel corbel 1 arrange a pair steel anchor tube, 5, two pairs of steel anchor tubes 5 respectively be all symmetrical arranged along beam, post center line.

Step 2: location and the installation of carrying out steel column 4.After steel column 4 installation, in steel column 4 side according to the end face absolute altitude location steel bracket 1 of girder steel 3, and it is welded with steel column 4.

Step 3: after steel corbel 1 has welded, arranges girder steel 3 temporary support point, and is lifted in temporary support by girder steel 3.

Step 4: after girder steel 3 fixed end has been constructed, installs hoist cable 2 and carries out stretch-draw anchor.Remove temporary support, namely complete beam column of steel structure and to be slidably connected the construction of node.

The present embodiment is mainly used in needing in building structure to arrange the steel-structure beam-column node be slidably connected, also can with reference to use for bridge construction.

The embodiment of the present invention has following beneficial effect: be connected by hoist cable 2 with girder steel 3 bottom flange by steel corbel 1, realize being slidably connected of girder steel 3 and steel column 4, the mode of sliding support is adopted in prior art, the present invention does not need to adjust bracket size, effectively reduce the eccentric throw of the vertical force acted on bracket, thus effectively reduce the adverse effect of additional bending moment to the stressed generation of steel column 4, improve stability and the reliability of structure.Meanwhile, this kind is taked to be slidably connected mode structure simply, easy construction; Power transmission is clear and definite, is convenient to safeguard; And can architectural space be saved, do not affect the appearance.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. a beam column of steel structure is slidably connected node, comprise girder steel and steel column, it is characterized in that: also comprise steel corbel and two hoist cables, described steel corbel is welded in described steel column near described girder steel side, and the end face absolute altitude of described steel corbel is identical with the end face absolute altitude of described girder steel; Described girder steel comprises bottom flange, described bottom flange is positioned at below described steel corbel near one end of described steel column, described steel corbel is connected by two described hoist cables with described bottom flange, two described hoist cables are symmetrical arranged along described girder steel center line, described steel corbel and described bottom flange are respectively equipped with the fastening devices of fixing described hoist cable.
2. beam column of steel structure according to claim 1 is slidably connected node, it is characterized in that: described fastening devices comprises a pair steel anchor tube, two pairs of described steel anchor tubes one by one just to setting, the two ends of hoist cable described in every root respectively with wherein just right two steel anchor tubes anchor connection.
3. beam column of steel structure according to claim 1 is slidably connected node, and it is characterized in that: described girder steel also comprises web plate, described web plate carries out vertical haunch process near the side of described steel column.
4. beam column of steel structure according to claim 1 is slidably connected node, it is characterized in that: Horizontal hunche process is carried out near the side of described steel column in described bottom flange.
5. the beam column of steel structure according to claim 1,3 or 4 is slidably connected node, it is characterized in that: the cross section of described girder steel is H type cross section.
6. the beam column of steel structure according to claim 1,3 or 4 is slidably connected node, it is characterized in that: the cross section of described girder steel is box-type section.
7. beam column of steel structure according to claim 1 is slidably connected node, it is characterized in that: described hoist cable is high strength steel tow.
8. beam column of steel structure according to claim 1 is slidably connected node, it is characterized in that: described steel anchor tube is chill casting pier nose ground tackle.
CN201510335170.XA 2015-06-17 2015-06-17 Beam column of steel structure is slidably connected node CN104963410B (en)

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CN104963410B CN104963410B (en) 2017-10-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105220776A (en) * 2015-10-29 2016-01-06 天津市建筑设计院 A kind of H profile steel beam bidirectional sliding support node with bidirectionally limited function

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001003448A (en) * 1999-06-24 2001-01-09 Takenaka Komuten Co Ltd Column and beam connecting structure and connecting method therefor
JP2001262696A (en) * 2000-03-21 2001-09-26 Nippon Steel Corp Connecting structure of square steel pipe column and h-steel beam
CN201416212Y (en) * 2009-05-12 2010-03-03 沈阳铝镁设计研究院 Connecting structure of steel structure hinged joints
CN103104040A (en) * 2013-03-08 2013-05-15 郑州大学 Assembled framework beam-column joint adopting vertical connection and construction method thereof
CN203755461U (en) * 2014-02-14 2014-08-06 湖南金海钢结构股份有限公司 Steel beam and steel column sliding support joint device
CN104251015A (en) * 2013-06-27 2014-12-31 沈阳铝镁设计研究院有限公司 Steel crane beam single-column expansion and contraction joint structure
CN104251014A (en) * 2013-06-27 2014-12-31 沈阳铝镁设计研究院有限公司 Connecting structure of concrete bent frame column and roof steel beam
CN204781317U (en) * 2015-06-17 2015-11-18 中铁第四勘察设计院集团有限公司 Steel construction beam column sliding connection node

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001003448A (en) * 1999-06-24 2001-01-09 Takenaka Komuten Co Ltd Column and beam connecting structure and connecting method therefor
JP2001262696A (en) * 2000-03-21 2001-09-26 Nippon Steel Corp Connecting structure of square steel pipe column and h-steel beam
CN201416212Y (en) * 2009-05-12 2010-03-03 沈阳铝镁设计研究院 Connecting structure of steel structure hinged joints
CN103104040A (en) * 2013-03-08 2013-05-15 郑州大学 Assembled framework beam-column joint adopting vertical connection and construction method thereof
CN104251015A (en) * 2013-06-27 2014-12-31 沈阳铝镁设计研究院有限公司 Steel crane beam single-column expansion and contraction joint structure
CN104251014A (en) * 2013-06-27 2014-12-31 沈阳铝镁设计研究院有限公司 Connecting structure of concrete bent frame column and roof steel beam
CN203755461U (en) * 2014-02-14 2014-08-06 湖南金海钢结构股份有限公司 Steel beam and steel column sliding support joint device
CN204781317U (en) * 2015-06-17 2015-11-18 中铁第四勘察设计院集团有限公司 Steel construction beam column sliding connection node

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105220776A (en) * 2015-10-29 2016-01-06 天津市建筑设计院 A kind of H profile steel beam bidirectional sliding support node with bidirectionally limited function

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