CN103696497A - Connection method for solid-web brace and lattice type steel column - Google Patents
Connection method for solid-web brace and lattice type steel column Download PDFInfo
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- CN103696497A CN103696497A CN201310685568.7A CN201310685568A CN103696497A CN 103696497 A CN103696497 A CN 103696497A CN 201310685568 A CN201310685568 A CN 201310685568A CN 103696497 A CN103696497 A CN 103696497A
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Abstract
The invention discloses a connection method for a solid-web brace and a lattice type steel column. The lattice type steel column is composed of four square steel tube columns, and a battened beam connected with the lattice type steel column is composed of two H-beams. Firstly, a fortified steel plate and the lattice type steel column are adopted to form an overall mechanical system in order to improve the mechanical performance and stability of the lattice type steel column, then, the lattice type steel column and the battened beam are connected through a beam head in a high-strength bolt connection way, inter-beam beams are arranged at corresponding positions of the battened beam to ensure the overall mechanical performance of the battened beam, and finally, stiffening plates are adopted to connect the solid-web brace with the lattice type steel column as well as the battened beam to meet the requirements on internal force transmission of connection nodes. By adopting the technology, the axial load borne by the solid-web brace can be smoothly and effectively transferred to the lattice type steel column and the battened beam, the transfer system of the connection nodes is clear, the force is reasonable, and the site construction installation is facilitated.
Description
Technical field
The present invention relates to structural steelwork diagonal brace and post connection area, relate in particular to a kind of method of attachment that is applicable to real abdomen formula diagonal brace and laced of battened compression member.
Background technology
At the facade of steel framed structure, diagonal brace being set is a kind of effective measures that increase structure lateral deformation stiffness, improve integrality performance of the structure and shock resistance.The transmission force property of diagonal brace and column jointing gusset directly affects structural system holistic resistant behavior, so connected node must have enough Rigidity and strengths with the various internal force of transferring structure member reliably.
Laced of battened compression member has the advantages such as reasonable stress, anti-side rigidity be large, economic, attractive in appearance, simultaneously, can be in the impregnable situation of existing post in former post position newly vertical laced of battened compression member reinforces the advantage with reorganization and expansion, laced of battened compression member is with a wide range of applications in structural steelwork.The connected node design of real abdomen formula diagonal brace and laced of battened compression member is very complicated, and in existing structural steelwork, also shorter mention arrives the method for attachment about real abdomen formula diagonal brace and laced of battened compression member.The suffered axial load of real abdomen formula diagonal brace is passed to smoothly on laced of battened compression member and girder steel the design of connected node has been proposed to larger challenge how effective and reasonablely.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, the method for attachment of a kind of real abdomen formula diagonal brace and laced of battened compression member is provided.
The object of the invention is to be achieved through the following technical solutions: the method for attachment of a kind of real abdomen formula diagonal brace and laced of battened compression member, the method comprises the following steps:
(1) form laced of battened compression member and two limb beam: by first party steel pipe column, second party steel pipe column, third steel tubing string, cubic steel pipe column, form laced of battened compression member, first party steel pipe column and the two piece quadrate steel pipe columns of second party steel pipe column for two angle points of a side that are connected with real abdomen formula diagonal brace, third steel tubing string and cubic steel pipe column are two quadrate steel pipe columns of two angle points of an other side; Between quadrate steel pipe column, by square steel pipe beam, connect to strengthen the cooperative bearing between lattice post; By the first i beam and the second i beam, form two limb beams;
(2) utilize reinforcement steel plate to form whole stress system with laced of battened compression member: the bottom flange of the second i beam and top flange correspondence position dock respectively welding the first reinforcement steel plate and the second reinforcement steel plate between two quadrate steel pipe columns of laced of battened compression member, weld the 3rd strengthen steel plate in the docking of the outside of two quadrate steel pipe columns; The 4th vertical reinforcement steel plate of the second stiffener correspondence position docking welding between two quadrate steel pipe columns of laced of battened compression member, at the horizontal strong steel plate of slender acanthopanax of the second stiffener upside correspondence position welded corner joint, at two the 6th reinforcement steel plates that the docking welding of quadrate steel pipe column inner side is vertical; The whole stress system of strengthening steel plate and laced of battened compression member formation makes the stress performance of laced of battened compression member obtain larger raising, guaranteed the cooperative bearing of two quadrate steel pipe columns, also can prevent laced of battened compression member simultaneously and strengthen local buckling's phenomenon that steel plate produces when the power of transmission;
(3) connect laced of battened compression member and two limb beams: at two limb beams, dock welded grider head with laced of battened compression member junction so that being connected of two limb beam and laced of battened compression member; Utilize the first high-strength bolt respectively the first i beam to be connected with beam head with the second i beam, realize being articulated and connected of laced of battened compression member and two limb beams;
(4) beam between beam is being set between two limb beams: between the two limb beams below real abdomen formula diagonal brace position, beam between beam is set, the vertical internal force that between beam, the setting of beam can be born real abdomen formula diagonal brace smoothly is effectively passed on two limb beams, has guaranteed again the stability under loading under Moment that two limb beams cause in real abdomen formula diagonal brace transmission internal force simultaneously; The first i beam with on the second i beam with beam between position docking welding the first stiffener of being connected of beam stable to guarantee the local pressure of i beam, be also convenient to beam between beam and be connected with i beam simultaneously; Utilize the second high-strength bolt that beam between beam is connected respectively with the first stiffener;
(5) complete being connected of real abdomen formula diagonal brace and laced of battened compression member and two limb beams: first by real abdomen formula diagonal brace with for being connected real abdomen formula diagonal brace, be connected by welded corner joint mode with the second stiffener of laced of battened compression member, two limb beams; Beam upper corners welding between two limb beams and beam the 7th strengthen steel plate so that between the second stiffener and two limb beams and beam beam be connected, power on real abdomen formula diagonal brace is evenly passed between pair limb beams and beam on beam; The second stiffener is strengthened to steel plate, beam head, the 7th by butt-welded mode and the 3rd to be strengthened firm plate and has welded being connected of real abdomen formula diagonal brace and laced of battened compression member and two limb beams; Between the second stiffener, weld the 8th reinforcement steel plate, to prevent the second stiffener, local buckling occurs when stressed.
The invention has the beneficial effects as follows, the laced of battened compression member adopting in the present invention not only has that anti-side rigidity is large, economic dispatch performance, simultaneously can be in the situation that not affecting existing post in the reinforcing of existing structure and extension project in former post position new vertical laced of battened compression member.The present invention has good stress performance for the connected node forming in the method for attachment that connects laced of battened compression member and real abdomen formula diagonal brace and provide, can effectively complete smoothly the load propagation function to laced of battened compression member and two limb beams by the suffered axial load transfer of real abdomen formula diagonal brace, and site operation is convenient, be a kind of method of attachment that can be widely used in real abdomen formula diagonal brace and laced of battened compression member in structural steelwork, have broad application prospects.
Accompanying drawing explanation
Fig. 1 is the connection diagram of the real abdomen formula diagonal brace of the present invention and laced of battened compression member;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the B-B sectional drawing of Fig. 1;
Fig. 4 is the C-C sectional drawing of Fig. 1;
In figure, first party steel pipe column 11, second party steel pipe column 12, third steel tubing string 13, cubic steel pipe column 14, real abdomen formula diagonal brace 2, square steel pipe beam 3, the first i beam 41, the second i beam 42, the first reinforcement steel plate 51, the second reinforcement steel plate 52, the 3rd are strengthened steel plate 53, the 4th and are strengthened beam 8, the first stiffener 91, the second stiffener 92 between steel plate 54, the strong steel plate 55 of slender acanthopanax, the 6th reinforcement steel plate 56, the 7th reinforcement steel plate 57, the 8th reinforcement steel plate 58, beam head 6, the first high-strength bolt 71, the second high-strength bolt 72, beam.
The specific embodiment
For the suffered axial load of real abdomen formula diagonal brace is passed on two quadrate steel pipe columns of laced of battened compression member and on two limb beam smoothly, the connected node that need to design real abdomen formula diagonal brace and laced of battened compression member completes the function of transmission power.The method of attachment of a kind of real abdomen formula diagonal brace of the present invention and laced of battened compression member, comprises the following steps:
1, form laced of battened compression member and two limb beam:
As shown in Figure 2, by first party steel pipe column 11, second party steel pipe column 12, third steel tubing string 13, cubic steel pipe column 14, form laced of battened compression member, first party steel pipe column 11 and the two piece quadrate steel pipe columns of second party steel pipe column 12 for two angle points of a side that are connected with real abdomen formula diagonal brace 2, third steel tubing string 13 and cubic steel pipe column 14 are two quadrate steel pipe columns of two angle points of an other side; Between quadrate steel pipe column, by square steel pipe beam 3, connect to strengthen the cooperative bearing between lattice post.
As shown in Figure 3, by the first i beam 41 and the second i beam 42, form two limb beams.
2, utilize reinforcement steel plate and laced of battened compression member to form whole stress system:
As shown in Figure 1, between two quadrate steel pipe columns of laced of battened compression member, the bottom flange of the second i beam 42 and top flange correspondence position dock respectively welding the first reinforcement steel plate 51 and the second reinforcement steel plate 52, in the outside of two quadrate steel pipe columns docking welding the 3rd, strengthen steel plate 53.
As shown in Figure 2, the 4th vertical reinforcement steel plate 54 of the second stiffener 92 correspondence position docking welding between two quadrate steel pipe columns of laced of battened compression member, at the horizontal strong steel plate 55 of slender acanthopanax of the second stiffener 92 upside correspondence position welded corner joints, at two the 6th reinforcement steel plates 56 that the docking welding of quadrate steel pipe column inner side is vertical.
The whole stress system of strengthening steel plate and laced of battened compression member formation makes the stress performance of laced of battened compression member obtain larger raising, guaranteed the cooperative bearing of two quadrate steel pipe columns, also can prevent laced of battened compression member simultaneously and strengthen local buckling's phenomenon that steel plate produces when the power of transmission.
3, connect laced of battened compression member and two limb beam:
As shown in Figure 3, at two limb beams and laced of battened compression member junction docking welded grider head 6 so that being connected of two limb beam and laced of battened compression member; Utilize the first high-strength bolt 71 respectively the first i beam 41 to be connected with beam head 6 with the second i beam 42, realize being articulated and connected of laced of battened compression member and two limb beams.
4, beam between beam is set between two limb beams:
As shown in Figure 4, between the two limb beams below real abdomen formula diagonal brace 2 positions, beam 8 between beam is set, the vertical internal force that between beam, the setting of beam can be born real abdomen formula diagonal brace smoothly is effectively passed on two limb beams, has guaranteed again the stability under loading under Moment that two limb beams cause in real abdomen formula diagonal brace transmission internal force simultaneously.The first i beam 41 with on the second i beam 42 with beam between position docking welding the first stiffener 91 of being connected of beam 8 stable to guarantee the local pressure of i beam, be also convenient to beam between beam and be connected with i beam simultaneously.Utilize the second high-strength bolt 72 that beam between beam 8 is connected respectively with the first stiffener 91.
5, complete being connected of real abdomen formula diagonal brace and laced of battened compression member and two limb beams:
As shown in Figure 1, first by real abdomen formula diagonal brace 2 with for being connected real abdomen formula diagonal brace, be connected by welded corner joint mode with the second stiffener 92 of laced of battened compression member, two limb beams.Beam upper corners welding between two limb beams and beam the 7th strengthen steel plate 57 so that between the second stiffener 92 and two limb beams and beam beam be connected, power on real abdomen formula diagonal brace is evenly passed between pair limb beams and beam on beam.The second stiffener 92 is strengthened to steel plate 53, beam head 6, the 7th by butt-welded mode and the 3rd to be strengthened firm plate 57 and has welded being connected of real abdomen formula diagonal brace 2 and laced of battened compression member and two limb beams.Between the second stiffener 92, weld the 8th reinforcement steel plate 58, to prevent the second stiffener 92, local buckling occurs when stressed.
Claims (1)
1. a method of attachment for real abdomen formula diagonal brace and laced of battened compression member, is characterized in that, the method comprises the following steps:
(1) form laced of battened compression member and two limb beam: by first party steel pipe column (11), second party steel pipe column (12), third steel tubing string (13), cubic steel pipe column (14) etc., form laced of battened compression member, first party steel pipe column (11) and the two piece quadrate steel pipe columns of second party steel pipe column (12) for two angle points of a side that are connected with real abdomen formula diagonal brace (2), third steel tubing string (13) and cubic steel pipe column (14) they are two quadrate steel pipe columns of two angle points of an other side; Between quadrate steel pipe column, by square steel pipe beam (3), connect to strengthen the cooperative bearing between lattice post; By the first i beam 41 and the second i beam 42, form two limb beams;
(2) utilize reinforcement steel plate to form whole stress system with laced of battened compression member: the bottom flange of the second i beam (42) and top flange correspondence position dock respectively welding the first reinforcement steel plate (51) and the second reinforcement steel plate (52) between two quadrate steel pipe columns of laced of battened compression member, weld the 3rd strengthen steel plate (53) in the docking of the outside of two quadrate steel pipe columns; The 4th vertical reinforcement steel plate (54) of the second stiffener (92) correspondence position docking welding between two quadrate steel pipe columns of laced of battened compression member, at the horizontal strong steel plate of slender acanthopanax (55) of the second stiffener (92) upside correspondence position welded corner joint, at two the 6th reinforcement steel plates (56) that the docking welding of quadrate steel pipe column inner side is vertical;
(3) connect laced of battened compression member and two limb beams: at two limb beams, dock welded grider head (6) with laced of battened compression member junction so that being connected of two limb beam and laced of battened compression member; Utilize the first high-strength bolt (71) respectively the first i beam (41) to be connected with beam head (6) with the second i beam (42), realize being articulated and connected of laced of battened compression member and two limb beams;
(4) beam between beam is being set between two limb beams: between two limb beams of below, real abdomen formula diagonal brace (2) position, beam between beam (8) is set, the first i beam (41) and the second i beam (42) upper with beam between position docking welding the first stiffener (91) of being connected of beam (8) stable to guarantee the local pressure of i beam, the while is also convenient to beam between beam and is connected with i beam; Utilize the second high-strength bolt (72) that beam between beam (8) is connected respectively with the first stiffener (91);
(5) complete being connected of real abdomen formula diagonal brace and laced of battened compression member and two limb beams: first by real abdomen formula diagonal brace (2) with for being connected real abdomen formula diagonal brace, be connected by welded corner joint mode with second stiffener (92) of laced of battened compression member, two limb beams; Beam upper corners welding between two limb beams and beam the 7th strengthen steel plate (57) so that between the second stiffener (92) and two limb beams and beam beam be connected, power on real abdomen formula diagonal brace is evenly passed between pair limb beams and beam on beam; The second stiffener (92) is strengthened to steel plate (56), beam head (6), the 7th by butt-welded mode and the 3rd and strengthen firm plate (57) welding to complete being connected of real abdomen formula diagonal brace (2) and laced of battened compression member and two limb beams; Between the second stiffener (92), weld the 8th reinforcement steel plate (58), to prevent the second stiffener (92), local buckling occurs when stressed.
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| CN201310685568.7A CN103696497B (en) | 2013-12-16 | 2013-12-16 | The method of attachment of a kind of steel flanged beam diagonal brace and laced of battened compression member |
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| CN201310685568.7A CN103696497B (en) | 2013-12-16 | 2013-12-16 | The method of attachment of a kind of steel flanged beam diagonal brace and laced of battened compression member |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104373049A (en) * | 2014-11-04 | 2015-02-25 | 国民油井华高石油设备（上海）有限公司 | Double-clamping-plate connecting joint |
| CN107489278A (en) * | 2017-09-15 | 2017-12-19 | 中铁三局集团建筑安装工程有限公司 | A kind of construction method of box column H types joist steel frame joint |
| 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 |
| CN109797754A (en) * | 2019-03-11 | 2019-05-24 | 深圳宏业基岩土科技股份有限公司 | Reduce the support construction of deep basal pit lattice column slenderness ratio |
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| JPH06280307A (en) * | 1993-03-29 | 1994-10-04 | Sumitomo Metal Ind Ltd | Column beam joint part |
| JPH08144366A (en) * | 1994-11-24 | 1996-06-04 | Artes:Kk | Joint structure of steel encased reinforced concrete column or steel frame column with steel frame beam |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104373049A (en) * | 2014-11-04 | 2015-02-25 | 国民油井华高石油设备（上海）有限公司 | Double-clamping-plate connecting joint |
| CN107489278A (en) * | 2017-09-15 | 2017-12-19 | 中铁三局集团建筑安装工程有限公司 | A kind of construction method of box column H types joist steel frame joint |
| CN107489278B (en) * | 2017-09-15 | 2019-07-02 | 中铁三局集团建筑安装工程有限公司 | A kind of construction method of box column-H-type joist steel frame joint |
| 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 |
| CN109797754A (en) * | 2019-03-11 | 2019-05-24 | 深圳宏业基岩土科技股份有限公司 | Reduce the support construction of deep basal pit lattice column slenderness ratio |
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