CN103981965A - Self-resetting-prestress bending-preventing support of channel-steel assembled steel structure - Google Patents
Self-resetting-prestress bending-preventing support of channel-steel assembled steel structure Download PDFInfo
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- CN103981965A CN103981965A CN201410145777.7A CN201410145777A CN103981965A CN 103981965 A CN103981965 A CN 103981965A CN 201410145777 A CN201410145777 A CN 201410145777A CN 103981965 A CN103981965 A CN 103981965A
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Abstract
The invention relates to a self-resetting-prestress bending-preventing support of a channel-steel assembled steel structure. The support consists of an internal energy consumption inner core, a peripheral framework constraint component and a prestress cable; the internal energy consumption inner core is a linear single-chip steel plate. In order to enable the inner core to easily enter plastic energy consumption, the middle part of the chip plate is weakened and in an arc shape. Squeezing plates are symmetrically arranged on a position which is away from the end part of the inner core and used for squeezing a spring on the constraint component, and the distance is determined in a calculation manner. The internal energy consumption inner core, the peripheral framework constraint component and the prestress cable are assembled together in a factory. The self-resetting-prestress bending-preventing support is connected with a framework through a high-strength bolt. When a horizontal force acts on the structure, a component of the horizontal force of the self-resetting-prestress bending-preventing support is reduced and even counteracts the horizontal force acting on the structure, so that the interlayer displacement of the structure is minimal, and the requirement of the stipulation can be met.
Description
Technical field
The present invention relates to a kind of novel braced structures form, particularly the anti-buckling support in a kind of channel-section steel assembling type steel structure Self-resetting-prestressing force position of building field application.
Background technology
Tradition supports because its rigidity is large, and under severe earthquake action, tensile stress conventionally surpasses elastic limit and surrenders, and produces expendable permanent set; During pressurized, easily be there is lateral deflection song.Under earthquake repeated action, its energy consumption effect is little, is also difficult to protect preferably agent structure not to be damaged.
Curvature-prevention support component is many as being applied to, the lateral resisting energy-dissipating device in high-level structure; under middle shake or large shake effect; curvature-prevention support component all can be realized total cross-section and fully surrenders and do not occur that the integral body of supporting member or cripling destroy when drawing, pressing; the original power consumption mode by agent structure beam-ends plastic hinge is changed into and only on anti-buckling support component, concentrate power consumption, thereby protected preferably agent structure.But tradition is anti-buckling, to be supported on the permanent set producing under severe earthquake action still irrecoverable, and traditional anti-buckling support also has machining accuracy that concrete peripheral constraint component causes and controls the problems such as difficulty, wet trade workload are large.
Recent years, Chinese scholars to the research of the anti-buckling support of assembling type steel structure prestressing force also seldom, does not really realize quick, the integrated production of industrialization of the anti-buckling support of steel work prestressing force.
Summary of the invention
The object of the invention is to overcome existing above-mentioned defect, provide a kind of novel channel steel assembling type steel structure Self-resetting-prestressing force anti-buckling support, this invention can realization body steel work and supporting member fast, reasonable installation.And under little shake, there is very strong bearing capacity, by improving its initial pressurized, drawing bearing capacity, reduce even to eliminate its permanent set under large shake, there is very strong energy dissipation capacity.
In order to achieve the above object, the present invention adopts following technical scheme:
The anti-buckling support of channel-section steel assembling type steel structure Self-resetting-prestressing force comprises inner energy consumption inner core, peripheral frame confining part, prestressed cable three parts.
It is characterized in that: described inner energy consumption inner core is yi word pattern single steel plate.For making energy consumption inner core be easy to enter plasticity power consumption, weaken chip board middle part, be circular arc.Apart from a distance, inner core end, be arranged symmetrically with stripper plate, be used for pushing the spring on confining part, distance is by calculative determination.Energy consumption inner core end connects two vertical junction plates with it side by side: upper junction plate, lower connecting plate.Upper junction plate, with bolt hole, is linked together by high-strength bolt and framework.In lower connecting plate plate face, there is the cavity that size is identical with energy consumption inner core sectional dimension.Energy consumption inner core, through lower connecting plate, is held out against to upper junction plate, and three welds together.Upper and lower two junction plates are welded together by upper lower connecting plate stiffening rib.Upper lower connecting plate stiffening rib is all vertical with two plates.Energy consumption inner core two ends are directly constructed identical.Upper lower connecting plate stiffening rib quantity, spacing is by calculative determination.
Described peripheral frame confining part is that cross section is I shape, upper and lower two frange plates, and middle two webs are channel-section steel.Web channel-section steel, back to placement, leaves the width of an energy consumption inner core between two channel-section steel webs.Peripheral frame confining part is arranged transverse stiffener along total length from upper end.The spacing of transverse stiffener is by calculative determination.Transverse stiffener and the welding of web channel-section steel.Edge of a wing channel-section steel welds or is connected with bolt with the edge of a wing of web channel-section steel.Two web certain lengths in the middle of upper and lower two edge of a wing channel-section steel plates need grow, length is by calculative determination, in channel-section steel plate end, the edge of a wing and middle two web ends, arrange junction plate, by spring housing, on support column, the two ends of support column are connected with middle two web end junction plates with channel-section steel plate end, edge of a wing junction plate respectively.Spring only works when pressurized.
Prestressed cable is through transverse stiffener, and repeatedly, contact is positioned at two adjacent short stiffener district centers of a lattice to two lower connecting plates phases of two ends and inner energy consumption inner core.Prestressing force size has calculative determination.
In factory by described inner energy consumption inner core, peripheral frame confining part, prestressed cable three part assembly and connections together.At the scene the anti-buckling support of described I shape assembling type steel structure Self-resetting-prestressing force is connected with framework with high-strength bolt.When horizontal force action is during in structure, the horizontal force component of the anti-buckling support of described I shape assembling type steel structure Self-resetting-prestressing force reduces even negative function in the horizontal force of structure, and making the relative storey displacement of structure is smaller value, meets the requirement of standard.
Beneficial effect
The present invention adopts the construction stage can realize quick assembled type the effectively anti-buckling support of I shape assembling type steel structure Self-resetting-prestressing force of the horizontal sidesway of opposing.This component form not only can effectively be realized the industrialization of steel structure member processing and can greatly improve speed of application and significantly reduce steel using amount.
Accompanying drawing explanation
Fig. 1 member lateral view of the present invention
Fig. 2 member plan view of the present invention
Fig. 3 component inside energy consumption inner core of the present invention figure
Fig. 4 external frame confining part of the present invention figure
Fig. 5 external frame confining part of the present invention assembling drawing
Fig. 6 external frame confining part of the present invention cross section exploded view
The prestressed cable figure of Fig. 7 member of the present invention
Wherein, the anti-buckling support of 1-channel steel shape assembling type steel structure Self-resetting-prestressing force; The inner energy consumption inner core of 2-; 3-external frame confining part; 4-spring; 5-upper junction plate; 6-lower connecting plate; 7-transverse stiffener; 8-external frame confining part channel-section steel web; 9-edge of a wing channel-section steel plate; The upper lower connecting plate stiffening rib of 10-; 11-support column; 12-junction plate; 13-stripper plate; 14-prestressed cable
Specific implementation
Below in conjunction with accompanying drawing, illustrate the implementation of described structural system.
As depicted in figs. 1 and 2, the present invention is the anti-buckling support of a kind of channel-section steel assembling type steel structure Self-resetting prestressing force, inner energy consumption inner core 2, peripheral frame confining part 3 and prestressed cable 14 3 parts, consists of.Inner energy consumption inner core 2 is inserted in the intermediate gaps of peripheral frame confining part 3.Spring housing is on support column 11, and the two ends of support column 11 are connected with middle two web end junction plates with edge of a wing channel-section steel plate 9 end junction plates respectively.4, spring works when being squeezed plate 13 extruding.Prestressed cable 14 is arranged symmetrically in energy consumption inner core both sides, and through transverse stiffener 7, quantity is by calculative determination.For making inner energy consumption inner core 2 axial deformation power consumptions, make inner energy consumption inner core 2 than the long distance D of peripheral frame confining part 3, D value has calculative determination.The anti-buckling support of channel-section steel assembling type steel structure Self-resetting prestressing force two ends structure is identical.
As shown in Figure 3: described inner energy consumption inner core 2 is yi word pattern single steel plate.For making energy consumption inner core 2 be easy to enter plasticity power consumption, weaken chip board middle part, be circular arc.Inner core 2 a distance, end are arranged symmetrically with stripper plate 13, are used for pushing the spring 4 on confining part 3, and distance is by calculative determination.Energy consumption inner core 2 ends connect two vertical junction plates with it side by side: upper junction plate 5, lower connecting plate 6.Upper junction plate 5, with bolt hole, is linked together by high-strength bolt and framework.In lower connecting plate 6 plate faces, there is the cavity that size is identical with energy consumption inner core 2 sectional dimensions.Energy consumption inner core 2, through lower connecting plate 6, is held out against to upper junction plate 5, and three welds together.Upper and lower two junction plates are welded together by double upper lower connecting plate stiffening rib 10.Upper lower connecting plate stiffening rib 10 is all vertical with two plates.Energy consumption inner core 2 two ends are directly constructed identical.
As shown in Figure 4,5, 6: described restraining tube framework cross section is I shape, be that four blocks of channel-section steels splice or are welded with bolt.As the channel-section steel on the upper and lower edge of a wing, its web punches at the relative position contacting with the edge of a wing of channel-section steel as middle pectoral plate, is bolted together, or in the relative position welding connecting, forms restraining tube framework.Between two webs of restraining tube framework middle pectoral plate channel-section steel 8, leave the width of an energy consumption inner core 2, can make inner energy consumption inner core 2 insert.Peripheral frame confining part 3 is arranged transverse stiffener 7 along total length from upper end.The spacing of transverse stiffener 7 is by calculative determination, and the web of transverse stiffener 7 and web channel-section steel and frange plate are and are welded to connect.Peripheral frame confining part 3 bottoms and lower connecting plate 6 are weldingly connected.Upper junction plate 5,6 of lower connecting plates are used lower connecting plate 6 stiffening rib vertical weldings and are connected, upper lower connecting plate stiffening rib 10 quantity, and spacing is by calculative determination.Two web certain lengths in the middle of upper and lower two edge of a wing channel-section steel plates 9 need grow, length is by calculative determination, in channel-section steel plate 9 ends, the edge of a wing and middle two web ends, arrange junction plate, spring 4 is enclosed within on support column 11, and the two ends of support column 11 are connected with middle two web end junction plates with edge of a wing channel-section steel plate 9 end junction plates respectively.4, spring works when pressurized.
As shown in Figure 7: prestressed cable 14 is through transverse stiffener 7, and two ends are connected with two lower connecting plates 6 of inner energy consumption inner core 2, and tie point is positioned at two adjacent short stiffener 10 district's centers of a lattice.The quantity of prestressed cable 14 is by calculative determination.
Claims (1)
1. the anti-buckling support of channel-section steel assembling type steel structure Self-resetting-prestressing force, is characterized in that: this support consists of inner energy consumption inner core (2), peripheral frame confining part (3) and prestressed cable (14) three parts; Inner energy consumption inner core (2) is inserted in the intermediate gaps of peripheral frame confining part (3); Spring housing is upper at support column (11), and the two ends of support column (11) are connected with middle two web end junction plates with edge of a wing channel-section steel plate (9) end junction plate respectively; Spring (4) only works when the plate that is squeezed (13) pushes; Prestressed cable (14) is arranged symmetrically in energy consumption inner core both sides, through transverse stiffener (7); For making inner energy consumption inner core (2) axial deformation power consumption, make inner energy consumption inner core (2) than the long distance D of peripheral frame confining part (3), D value is by calculative determination; The anti-buckling support of channel-section steel assembling type steel structure Self-resetting prestressing force two ends structure is identical;
Described inner energy consumption inner core (2) is yi word pattern single steel plate; For making energy consumption inner core (2) be easy to enter plasticity power consumption, weaken chip board middle part, be circular arc; Inner core (2) a distance, end is arranged symmetrically with stripper plate (13), is used for pushing the spring (4) on confining part (3); Energy consumption inner core (2) end connects two vertical junction plates with it side by side: upper junction plate (5), lower connecting plate (6); Upper junction plate (5), with bolt hole, is linked together by high-strength bolt and framework; In lower connecting plate (6) plate face, there is the cavity that size is identical with energy consumption inner core (2) sectional dimension; Energy consumption inner core (2), through lower connecting plate (6), is held out against to upper junction plate (5), and three welds together; Upper and lower two junction plates are welded together by double upper lower connecting plate stiffening rib (10); Upper lower connecting plate stiffening rib (10) is all vertical with two plates; Energy consumption inner core (2) two ends are directly constructed identical;
Described restraining tube framework cross section is I shape, is that four blocks of channel-section steels splice or are welded with bolt; As the channel-section steel on the upper and lower edge of a wing, its web punches at the relative position contacting with the edge of a wing of channel-section steel as middle pectoral plate, is bolted together, or in the relative position welding connecting, forms restraining tube framework; Between two webs of restraining tube framework middle pectoral plate channel-section steel (8), leave the width of an energy consumption inner core (2), can make inner energy consumption inner core (2) insert; Peripheral frame confining part (3) is arranged transverse stiffener (7) along total length from upper end; The spacing of transverse stiffener (7) is by calculative determination, and the web of transverse stiffener (7) and web channel-section steel and frange plate are and are welded to connect; Peripheral frame confining part (3) bottom is weldingly connected with lower connecting plate (6); Between upper junction plate (5), lower connecting plate (6), use lower connecting plate (6) stiffening rib vertical welding and connect, upper lower connecting plate stiffening rib (10) quantity, spacing is by calculative determination; Two web certain lengths in the middle of upper and lower two edge of a wing channel-section steel plates (9) need grow, length is by calculative determination, in channel-section steel plate (9) end, the edge of a wing and middle two web ends, arrange junction plate, spring (4) is enclosed within to support column (11) upper, the two ends of support column (11) are connected with middle two web end junction plates with edge of a wing channel-section steel plate (9) end junction plate respectively; Spring (4) only works when pressurized;
Prestressed cable (14) is through transverse stiffener (7), and two ends are connected with two lower connecting plates (6) of inner energy consumption inner core (2), and tie point is positioned at two adjacent short stiffener (10) district centers of a lattice; The quantity of prestressed cable (14) is by calculative determination.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410145777.7A CN103981965A (en) | 2014-04-11 | 2014-04-11 | Self-resetting-prestress bending-preventing support of channel-steel assembled steel structure |
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| CN201410145777.7A CN103981965A (en) | 2014-04-11 | 2014-04-11 | Self-resetting-prestress bending-preventing support of channel-steel assembled steel structure |
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Cited By (8)
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| CN104947826A (en) * | 2015-06-15 | 2015-09-30 | 王涛 | Self-reset buckling-restrained brace device |
| WO2017054323A1 (en) * | 2015-09-28 | 2017-04-06 | 中国矿业大学 | All-steel dual-plate self-centring buckling-restrained brace device and method |
| CN106869354A (en) * | 2017-01-25 | 2017-06-20 | 东南大学 | Double-core can inspection buckling restrained brace |
| CN107893563A (en) * | 2017-11-16 | 2018-04-10 | 山东大学 | Assembled Self-resetting energy dissipation brace device |
| CN108999305A (en) * | 2018-06-15 | 2018-12-14 | 黑龙江科技大学 | Replaceable Self-reset anti-flexure support device |
| CN109024971A (en) * | 2017-06-08 | 2018-12-18 | 大连大学 | The anti-unstability device of the second torsion of anti-buckling support for fire-fighting and the coating method of fireprotection layer |
| CN110042919A (en) * | 2019-04-04 | 2019-07-23 | 北京工业大学 | Assembling type steel structure prestressing force Self-resetting energy dissipation brace with diagonal brace |
| CN110130710A (en) * | 2019-04-28 | 2019-08-16 | 同济大学 | Rod-type negative stiffness device |
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| JP2004019361A (en) * | 2002-06-19 | 2004-01-22 | Shimizu Corp | Brace damper |
| CN201952931U (en) * | 2010-11-19 | 2011-08-31 | 北京工业大学 | Restriction type anti-flexure support of parallel energy-consuming soft steel plate |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947826A (en) * | 2015-06-15 | 2015-09-30 | 王涛 | Self-reset buckling-restrained brace device |
| WO2017054323A1 (en) * | 2015-09-28 | 2017-04-06 | 中国矿业大学 | All-steel dual-plate self-centring buckling-restrained brace device and method |
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| CN106869354A (en) * | 2017-01-25 | 2017-06-20 | 东南大学 | Double-core can inspection buckling restrained brace |
| CN109024971A (en) * | 2017-06-08 | 2018-12-18 | 大连大学 | The anti-unstability device of the second torsion of anti-buckling support for fire-fighting and the coating method of fireprotection layer |
| CN109024971B (en) * | 2017-06-08 | 2020-06-26 | 大连大学 | Second torsion buckling-proof device for buckling-restrained brace for fire fighting and coating method of fire-proof layer |
| CN107893563A (en) * | 2017-11-16 | 2018-04-10 | 山东大学 | Assembled Self-resetting energy dissipation brace device |
| CN108999305A (en) * | 2018-06-15 | 2018-12-14 | 黑龙江科技大学 | Replaceable Self-reset anti-flexure support device |
| CN110042919A (en) * | 2019-04-04 | 2019-07-23 | 北京工业大学 | Assembling type steel structure prestressing force Self-resetting energy dissipation brace with diagonal brace |
| CN110130710A (en) * | 2019-04-28 | 2019-08-16 | 同济大学 | Rod-type negative stiffness device |
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