CN102877569B - Large-bearing-capacity buckling restrained brace component with cross section being shaped like Chinese character WANG - Google Patents
Large-bearing-capacity buckling restrained brace component with cross section being shaped like Chinese character WANG Download PDFInfo
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- CN102877569B CN102877569B CN201210410836.XA CN201210410836A CN102877569B CN 102877569 B CN102877569 B CN 102877569B CN 201210410836 A CN201210410836 A CN 201210410836A CN 102877569 B CN102877569 B CN 102877569B
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Abstract
The invention relates to a large-bearing-capacity buckling restrained brace component with a cross section being shaped like a Chinese character WANG, which is characterized in that a core plate web, a core plate upper flange, a core plate lower flange and a core plate middle flange form a component with the cross section being shaped like the Chinese character WANG in a welding way, two ends of the component with the cross section being shaped like the Chinese character WANG are respectively provided with a web reinforced plate and a flange reinforced plate in a welding way, the upper end surface of the core plate upper flange and the lower end surface of the core plate lower flange are respectively provided with a bushing top plate and a bushing soleplate, the lower end surface of the core plate upper flange, the core plate middle flange, the upper end surface and the lower end surface of the core plate middle flange and the upper end surface of the core plate lower flange are respectively provided with a first, a second, a third and a fourth bushing inward-extension plate, a plurality of bushing internal reinforced plates are respectively arranged between the first and the second bushing inward-extension plates and between the third and the fourth bushing inward-extension plates along the length direction of the core plate web, two outer sides are respectively provided with a bushing outer vertical plate, and the bushing outer vertical plates are connected with the first, the second, the third and the fourth bushing inward-extension plates, the bushing top plate and the bushing soleplate in a welding way to form an integral bushing of the component with the cross section being shaped like the Chinese character WANG.
Description
Technical field
The present invention relates to a kind of building energy-dissipating and shock-absorbing constraint steel supporting component, be specifically related to a kind of large buckling-restrained steel supporting component of supporting capacity.
Background technology
Buckling restrained brace is by conventional steel brace being taked to constraint measure, and by central layer, in outer sleeve and sleeve, non-cohesive material forms, and it can avoid central layer pressurized flexing completely, is the very high structural element of efficiency; Buckling restrained brace all surrenders under pressure and pulling force effect simultaneously, and hysteresis loop is full, is the energy dissipative device of superior performance.
Buckling restrained brace central layer form can be divided into two large types at present: the first type is open cross-sections, and for example " one ", " ten " or " H " type, the second type is closed type cross section, for example round steel pipe, square steel pipe.Open cross-sections central layer is easy to make, and can adopt plain plate to weld splicing, and closed type cross section will be made into pipe or square tube by plain plate by task equipment, and making requires high.What application was maximum at present is that central layer is the buckling restrained brace of open type.But conventional open type buckling restrained brace exists problem separately.Due to thickness of slab restriction, " one " font and " ten " font buckling restrained brace are mainly used in the buckling restrained brace of less bearing capacity, this is because " one " font and " ten " font second moment of area are less, and due to thickness of slab restriction, as increased supporting capacity, need enlarging section size, thereby can have influence on building function.The buckling restrained brace in " H " type cross section has larger supporting capacity, and compared with " one " font and " ten " font cross section, " H " type second moment of area is larger.But " H " core plate moment of inertia on two major axes orientations differs greatly, on weak direction of principal axis, need the outer addition of constraints sleeve that rigidity is larger.Thereby a kind of " king " font central layer of invention section form, increase stressed section area, only increase the moment of inertia on weak direction of principal axis simultaneously.This " king " font central layer cross section, compared with " H " shape, less on strong direction of principal axis moment of inertia impact in the situation that, has increased weak axial moment of inertia, can increase again the section area of central layer, thereby improve the bearing capacity of buckling restrained brace simultaneously." king " font central layer cross section buckling restrained brace is by the technology that is a kind of economy and superior performance, and it can reduce the constraint rigidity of outer sleeve, thereby reduces buckling-restrained apparent size.
The constraint type that buckling restrained brace is conventional is steel concrete, Steel-Concrete Composite Sections and steel tube confinement form.The present invention increases constraint plate at steel tube confinement in form, and entirety constraint rigidity is both provided, and retrains again the cripling on the edge of a wing.
Summary of the invention
The present invention be to provide a kind of and be easy to make, supporting capacity is large, " king " font cross section large bearing capacity buckling-restrained bracing member of saving steel, too little for solving " one " font " ten " font buckling-restrained bracing member bearing capacity, and H type cross section buckling-restrained bracing member both direction retrains the inconsistent problem of rigidity requirement, also can reduce the outward appearance cross-sectional sizes of buckling restrained brace.
For achieving the above object, technical scheme of the present invention is: a kind of " king " font cross section large bearing capacity buckling-restrained bracing member, comprises central layer web, central layer top flange, the edge of a wing in central layer, central layer bottom flange, end web stiffener, top flange, end stiffener, edge of a wing stiffener in end, bottom flange, end stiffener, sleeve top board, cover tube end plate, in first to fourth sleeve, stretch plate, the outer vertical plate of sleeve, stiffener in sleeve, without bonding spacer material layer, be characterized in: central layer web and central layer top flange, in central layer bottom flange and central layer, the edge of a wing, by being welded to form " king " font section structural member, is welded with respectively end web stiffener in the middle of " king " font section structural member two ends, is positioned at the central layer top flange of web stiffener both sides, end, in central layer, the edge of a wing and central layer bottom flange front end are welded with respectively top flange, end stiffener, edge of a wing stiffener and bottom flange, end stiffener in end, be respectively equipped with sleeve top board and cover tube end plate, lower surface, central layer top flange on upper surface, central layer top flange and lower surface, central layer bottom flange, in central layer on the edge of a wing, lower surface and upper surface, central layer bottom flange are respectively equipped with in first to fourth sleeve stretches plate, in the first sleeve, stretch in plate and the second sleeve and stretch between plate and in the 3rd sleeve and stretch in plate and quadruplet cylinder and stretch between plate and be respectively equipped with stiffener in several sleeves along central layer web length direction, two outsides are respectively equipped with the outer vertical plate of sleeve, and stretch plate and sleeve top board in the outer vertical plate of sleeve and first to fourth sleeve, cover tube end plate is by being welded to connect into the integral sleeve of " king " font section structural member.
The region surface of wrapping up between the integral sleeve of " king " font section structural member and " king " font section structural member is pasted without bonding spacer material layer.
In the second sleeve, stretching the clear distance of stretching between plate in plate and the 3rd sleeve is central layer wing centre section edge thickness and two times of nothing bonding isolated material layer thickness sums; The distance of stretching in the first sleeve between plate and sleeve top board is central layer top flange thickness and two times of nothing bonding isolated material layer thickness sums; The distance of stretching in quadruplet cylinder between plate and cover tube end plate is central layer bottom flange thickness and two times of nothing bonding isolated material layer thickness sums; In first to fourth sleeve, stretching plate is one times of nothing bonding isolated material layer thickness apart from central layer web clear distance.
Sleeve top board and sleeve bottom end are respectively equipped with in advance cracks, for end web stiffener, respectively through sleeve top board and cover tube end plate, the cracking length of sleeve top board and cover tube end plate is greater than the deformation length of end web stiffener in axial tension deformation process; Crack in advance in the centre of top flange, end stiffener and bottom flange, end stiffener and web stiffener intersection location place, end, stitch wide should be than the large 2mm-3mm of end web stiffener thickness, be convenient to end web stiffener through top flange stiffener and bottom flange, end stiffener.
Central layer top flange all adopts butt weld to be connected with edge of a wing stiffener, central layer bottom flange in end with bottom flange, end stiffener with the edge of a wing in top flange, end stiffener, central layer; Central layer web and central layer top flange adopt full penetration weld, partly melt weld seam or fillet weld is connected; Central layer web and central layer bottom flange adopt full penetration weld, partly melt weld seam or fillet weld is connected; In central layer, the edge of a wing and central layer web adopt full penetration weld, partly melt weld seam or fillet weld is connected; Central layer web entirely melts butt weld with the employing of end web stiffener and is connected; Central layer top flange is entirely melted butt weld with the employing of top flange, end stiffener and is connected; In central layer, the edge of a wing adopts and entirely melts butt weld and be connected with edge of a wing stiffener in end; Central layer bottom flange is entirely melted butt weld with the employing of bottom flange, end stiffener and is connected.
Central layer web equates with bottom flange, end stiffener length sum with edge of a wing stiffener length sum, central layer bottom flange in end with the edge of a wing in top flange, end stiffener length sum, central layer separately with end web stiffener length sum, central layer top flange.
The outer vertical plate of sleeve with in first to fourth sleeve, stretch plate and sleeve top board, sleeve floor length equates, and is less than central layer web and end web stiffener length sum, so that central layer free-extension in sleeve is out of shape.
The end of the integral sleeve of " king " font section structural member arranges end cap plate, between end cap plate and integral sleeve, adopts fillet weld seam.
The present invention has following beneficial effect with respect to prior art:
(1) the present invention, by " king " font buckling restrained brace is set, can improve the utilization ratio of central layer steel.To the buckling restrained brace of large supporting capacity, traditional method needs thicker steel plate, and the present invention passes through to increase the area of stressed central layer, thereby can reduce the thickness of plate.
(2) by increasing the moment of inertia of two major axes orientations of central layer, thereby can reduce the outward appearance cross section of buckling restrained brace.Generally all be arranged in body of wall owing to supporting, after support outward appearance cross section reduces, can reduce thickness of wall body, this will improve the usable floor area of building.
(3) owing to having reduced the outward appearance cross section of supporting, panel thickness is thinner simultaneously, and the present invention can reduce the steel using amount of buckling restrained brace, and reduces difficulty of construction, thereby more cost is lower, more economical.
Brief description of the drawings
Fig. 1 is the sectional view of " king " font cross section large bearing capacity;
Fig. 2 is " king " font cross section large bearing capacity buckling restrained brace central layer 3 dimensional drawing;
Fig. 3 is that " king " font cross section large bearing capacity buckling restrained brace sleeve decomposes 3 dimensional drawing;
Fig. 4 is " king " font cross section large bearing capacity buckling restrained brace entirety 3 dimensional drawing.
Detailed description of the invention
Further illustrate by reference to the accompanying drawings the present invention below by embodiment.
As shown in Figures 1 to 4, " king " of the present invention font cross section large bearing capacity buckling-restrained bracing member, comprise in edge of a wing stiffener 7 in the edge of a wing 3 in central layer web 1, central layer top flange 2, central layer, central layer bottom flange 4, end web stiffener 5, top flange, end stiffener 6, end, bottom flange, end stiffener 8, sleeve top board 9, cover tube end plate 10, first to fourth sleeve, stretch stiffener 15 in plate 11,12,13,14, sleeve, end cap plate 16, the outer vertical plate 17 of sleeve, without bonding spacer material layer 18.
Central layer web 1 and central layer top flange 2, central layer bottom flange 4, in central layer, the edge of a wing 3 is by being welded to form " king " font section structural member, in the middle of " king " font section structural member two ends, be welded with respectively end web stiffener 5, be positioned at the central layer top flange 2 of web stiffener 5 both sides, end, in central layer, the edge of a wing 3 and central layer bottom flange 4 front ends are welded with respectively top flange, end stiffener 6, edge of a wing stiffener 7 and bottom flange, end stiffener 8 in end, difference welded sleeve top board 9 and cover tube end plate 10 on 2 upper surfaces, central layer top flange and 4 lower surfaces, central layer bottom flange, 2 lower surfaces, central layer top flange, in central layer on the edge of a wing 3, lower surface and 4 upper surfaces, central layer bottom flange are respectively equipped with stretches plate 11 in first to fourth sleeve, 12, 13, 14, in the first sleeve, stretch in plate 11 and the second sleeve and stretch between plate 12 and in the 3rd sleeve and stretch in plate 13 and quadruplet cylinder and stretch between plate 14 and be respectively equipped with stiffener 15 in several sleeves along central layer web 1 length direction, two outsides are respectively equipped with the outer vertical plate 17 of sleeve, and stretch plate 11 in the outer vertical plate 17 of sleeve and first to fourth sleeve, 12, 13, 14 and sleeve top board 9, cover tube end plate 10 is by being welded to connect into the integral sleeve of " king " font section structural member.
The region surface of wrapping up between the integral sleeve of " king " font section structural member and " king " font section structural member is pasted without bonding spacer material layer 18.
In the second sleeve, stretching the clear distance of stretching between plate 13 in plate 12 and the 3rd sleeve is the edge of a wing 3 thickness and two times of nothing bonding spacer material layer 18 thickness sums in central layer; The distance of stretching in the first sleeve between plate 11 and sleeve top board 9 is central layer top flange 2 thickness and two times of nothing bonding spacer material layer 18 thickness sums; The distance of stretching in quadruplet cylinder between plate 14 and cover tube end plate 10 is central layer bottom flange 4 thickness and two times of nothing bonding spacer material layer 18 thickness sums; In first to fourth sleeve, stretching plate 11,12,13,14 is one times of nothing bonding spacer material layer 18 thickness apart from central layer web 1 clear distance.
Sleeve top board 9 and cover tube end plate 10 ends are respectively equipped with in advance cracks, for end web stiffener 5, respectively through sleeve top board 9 and cover tube end plate 10, the cracking length of sleeve top board 9 and cover tube end plate 10 is greater than the deformation length of end web stiffener 5 in axial tension deformation process; Crack in advance in the centre of top flange, end stiffener 6 and bottom flange, end stiffener 8 and end web stiffener 5 intersection location places, stitch wide should be than the large 2mm-3mm of end web stiffener 5 thickness, be convenient to end web stiffener 5 through top flange stiffener 6 and bottom flange, end stiffener 8.
Central layer top flange 2 all adopts butt weld to be connected with edge of a wing stiffener 7, central layer bottom flange 3 in end with bottom flange, end stiffener 8 with the edge of a wing 3 in top flange, end stiffener 6, central layer; Central layer web 1 and central layer top flange 2 adopt full penetration weld, partly melt weld seam or fillet weld is connected; Central layer web 2 is with the employing full penetration weld of central layer bottom flange 4, partly melt weld seam or fillet weld is connected; In central layer, the edge of a wing 3 and central layer web 1 adopt full penetration weld, partly melt weld seam or fillet weld is connected; Central layer web 1 and end web stiffener 5 adopt and entirely melt butt weld and be connected; Central layer top flange 2 and top flange, end stiffener 6 adopt and entirely melt butt weld and be connected; In central layer, the edge of a wing 3 and edge of a wing stiffener 7 in end adopt and entirely melt butt weld and be connected; Central layer bottom flange 4 and bottom flange, end stiffener 8 adopt and entirely melt butt weld and be connected.
Web stiffener 5 axial tension surrender supporting capacitys in end should be greater than the axial tension limit tension supporting capacity of central layer web 1, stiffener 6 axial tension surrender supporting capacitys in top flange, end should be greater than the axial tension limit tension supporting capacity of central layer top flange 2, in end, stiffener 7 axial tension surrender supporting capacitys in the edge of a wing should be greater than the axial tension limit tension supporting capacity on the edge of a wing 3 in central layer, and stiffener 8 axial tension surrender supporting capacitys in bottom flange, end should be greater than the axial tension limit tension supporting capacity of central layer bottom flange 4.
Central layer web 1 equates with bottom flange, end stiffener 8 length sums with the 7 length sums of edge of a wing stiffener in end, central layer bottom flange 4 with the edge of a wing 3 in top flange, end stiffener 6 length sums, central layer separately with end web stiffener 5 length sums, central layer top flange 2.
In the outer vertical plate 17 of sleeve and first to fourth sleeve, stretch plate 11,12,13,14 and sleeve top board 9, cover tube end plate 10 is equal in length, and is less than central layer web 1 and end web stiffener 5 length sums, so that central layer free-extension in sleeve is out of shape.
The end of the integral sleeve of " king " font section structural member arranges end cap plate 16, adopts groove weld seam to be connected between end cap plate 16 and integral sleeve.
In the first sleeve, stretch in plate 11 and the second sleeve, stretch between plate 12, arrange with in stretch stiffener 15 in the sleeve that plate is vertical, in sleeve, stiffener height 15 is in the first sleeve, to stretch in plate 11 and the second sleeve to stretch the clear distance between plate 12, and width is stretched plate inside protrudent length in should not exceeding.By stretching plate 11,12 welding in fillet weld and first and second sleeve.
In central layer web 1, central layer top flange 2, central layer, the edge of a wing 3, central layer bottom flange 4 thickness can equate, also can be unequal.Central layer web 1 should equate with end web stiffener 5 thickness.Central layer top flange 2 should equate with top flange, end stiffener 6 thickness.In central layer, the edge of a wing 3 should equate with stiffener 7 thickness in the edge of a wing in end.Central layer bottom flange 4 should equate with bottom flange, end stiffener 8 thickness.In central layer web 1, central layer top flange 2, central layer, the edge of a wing 3, central layer bottom flange 4 adopt the steel plate of the high ductility of low-intensity.In end web stiffener 5, top flange, end stiffener 6, end, edge of a wing stiffener 7, bottom flange, end stiffener 8 can adopt high-intensity steel plate.
As shown in Figure 2.Central layer top flange 2, the middle edge of a wing 3, bottom flange 4 are equal in length.Central layer top flange 2 adopts full penetration weld or partly melts weld seam with central layer web 1 and is connected, and in central layer, the edge of a wing 3, central layer bottom flange 4 also adopt the method for attachment identical with central layer top flange 2 with central layer web 1.In the time that welding deformation is excessive, the edge of a wing and web also can adopt fillet weld or intermittent weld to weld.
End web stiffener 5 adopts butt weld to be connected with central layer web 1, top flange, end stiffener 6 adopts butt weld to be connected with central layer top flange 2, in end, edge of a wing stiffener 7 adopts butt weld to be connected with the edge of a wing in central layer 3, and bottom flange, end stiffener 8 adopts butt weld to be connected with central layer bottom flange 4.Steel plate thickness, armor plate strength and the central layer of end stiffener can be inconsistent, but the bearing capacity of end stiffener should be higher than the bearing capacity of respective core plate, and when meeting central layer and reach capacity tensile capacity, end stiffener stress is no more than its yield stress.
After having welded, central layer and end stiffener bond without bonding spacer material layer 18, thickness 2-3mm on its surface.
The outer riser 17 of sleeve with in first to fourth sleeve, stretch plate 11,12,13,14 employing fillet welds and be connected.In sleeve stiffener 15 with in first to fourth sleeve, stretch plate 11,12,13,14 and sleeve outward riser 17 adopt fillet weld to be connected.End cap plate 16 with in first to fourth sleeve, stretch the outer riser 17 of plate 11,12,13,14 and sleeve and adopt groove weld seam to be connected.
In the outer riser 17 of sleeve and first to fourth sleeve, stretch in plate 11,12,13,14 and end cap plate 16, sleeve and assemble with central layer, central layer stiffener after stiffener 15 assembly weldings, adopt groove weld seam to be connected with the outer riser 17 of sleeve on sleeve top board 9 and cover tube end plate 10.
The invention provides a kind of large bearing capacity buckling restrained brace, central layer adopts " king " font.In design, determine central layer thickness of slab, width and central layer steel type according to the bearing capacity and stiffness of buckling restrained brace, determine sleeve plate thickness and size according to the ultimate bearing capacity of bearing length and central layer, and meet following formula:
In formula
for the length of buckling restrained brace,
for steel modulus of elasticity,
for central layer moment of inertia,
for steel modulus of elasticity,
for the section area of central layer,
for central layer tensile strength,
for coefficient, in the time of the bearing type of buckling restrained brace position, get 0.9, in the time of the energy-dissipating type of buckling restrained brace position, get 0.1.
Taking a length as 6m, surrender bearing capacity is 10000kN, and it is example that central layer steel adopt the buckling restrained brace of Q235, and its design process is described.According to surrender bearing capacity and central layer steel, central layer section area is about 4255mm
2, central layer web, edge of a wing thickness are all taken as 30mm, king's font depth of section 400mm, king's font breadth of section 370mm, the outer riser of sleeve, in to stretch plate thickness be all 8mm, sleeve outward appearance width 470mm, outward appearance height 420mm.
Claims (8)
1. " king " font cross section large bearing capacity buckling-restrained bracing member, comprises central layer web (1), central layer top flange (2), the edge of a wing in central layer (3), central layer bottom flange (4), end web stiffener (5), top flange, end stiffener (6), edge of a wing stiffener (7) in end, bottom flange, end stiffener (8), sleeve top board (9), cover tube end plate (10), in first to fourth sleeve, stretch plate (11, 12, 13, 14), stiffener (15) in sleeve, end cap plate (16), the outer vertical plate (17) of sleeve, without bonding spacer material layer (18), it is characterized in that: described central layer web (1) and central layer top flange (2), in central layer bottom flange (4) and central layer, the edge of a wing (3) are by being welded to form " king " font section structural member, in the middle of " king " font section structural member two ends, be welded with respectively end web stiffener (5), be positioned at the central layer top flange (2) of end web stiffener (5) both sides, the edge of a wing in central layer (3) and central layer bottom flange (4) front end are welded with respectively top flange, end stiffener (6), edge of a wing stiffener (7) and bottom flange, end stiffener (8) in end, be respectively equipped with sleeve top board (9) and cover tube end plate (10), lower surface, central layer top flange (2) on upper surface, central layer top flange (2) and lower surface, central layer bottom flange (4), on the edge of a wing in central layer (3), lower surface and upper surface, central layer bottom flange (4) are respectively equipped with stretches plate (11 in first to fourth sleeve, 12, 13, 14), in the first sleeve, stretch in plate (11) and the second sleeve and stretch between plate (12) and in the 3rd sleeve and stretch in plate (13) and quadruplet cylinder and stretch between plate (14) and be respectively equipped with stiffener (15) in several sleeves along central layer web (1) length direction, two outsides are respectively equipped with the outer vertical plate (17) of sleeve, and the outer vertical plate (17) of sleeve, in sleeve, in stiffener (15) and first to fourth sleeve, stretch plate (11, 12, 13, 14) and sleeve top board (9), cover tube end plate (10) is by being welded to connect into the integral sleeve of " king " font section structural member.
2. " king " according to claim 1 font cross section large bearing capacity buckling-restrained bracing member, is characterized in that: the region surface of wrapping up between the integral sleeve of described " king " font section structural member and " king " font section structural member is pasted without bonding spacer material layer (18).
3. " king " according to claim 1 font cross section large bearing capacity buckling-restrained bracing member, is characterized in that: in described the second sleeve, stretching the clear distance of stretching between plate (13) in plate (12) and the 3rd sleeve is (3) thickness of the edge of a wing in central layer and two times of nothing bonding spacer material layer (18) thickness sums; The distance of stretching in the first sleeve between plate (11) and sleeve top board (9) is central layer top flange (2) thickness and two times of nothing bonding spacer material layer (18) thickness sums; The distance of stretching in quadruplet cylinder between plate (14) and cover tube end plate (10) is central layer bottom flange (4) thickness and two times of nothing bonding spacer material layer (18) thickness sums; In first to fourth sleeve, stretching plate (11,12,13,14) is one times of nothing bonding spacer material layer (18) thickness apart from central layer web (1) clear distance.
4. " king " according to claim 1 font cross section large bearing capacity buckling-restrained bracing member, it is characterized in that: described sleeve top board (9) and cover tube end plate (10) end are respectively equipped with in advance cracks, for end web stiffener (5), respectively through sleeve top board (9) and cover tube end plate (10), the cracking length of sleeve top board (9) and cover tube end plate (10) is greater than the deformation length of end web stiffener (5) in axial tension deformation process; Crack in advance in the centre of top flange, described end stiffener (6) and bottom flange, end stiffener (8) and end web stiffener (5) intersection location place, stitch wide should be than the large 2mm-3mm of end web stiffener (5) thickness, be convenient to end web stiffener (5) through top flange stiffener (6) and bottom flange, end stiffener (8).
5. " king " according to claim 1 font cross section large bearing capacity buckling-restrained bracing member, is characterized in that: described central layer top flange (2) all adopts butt weld to be connected with edge of a wing stiffener (7), central layer bottom flange (3) in end with bottom flange, end stiffener (8) with the edge of a wing (3) in top flange, end stiffener (6), central layer; Central layer web (1) and central layer top flange (2) adopt full penetration weld, partly melt weld seam or fillet weld is connected; Central layer web (1) is with the employing full penetration weld of central layer bottom flange (4), partly melt weld seam or fillet weld is connected; The edge of a wing in central layer (3) and central layer web (1) adopt full penetration weld, partly melt weld seam or fillet weld is connected; Central layer web (1) entirely melts butt weld with end web stiffener (5) employing and is connected; Central layer top flange (2) is entirely melted butt weld with top flange, end stiffener (6) employing and is connected; The edge of a wing in central layer (3) is entirely melted butt weld with edge of a wing stiffener (7) employing in end and is connected; Central layer bottom flange (4) is entirely melted butt weld with bottom flange, end stiffener (8) employing and is connected.
6. " king " according to claim 1 font cross section large bearing capacity buckling-restrained bracing member, is characterized in that: described central layer web (1) equates with bottom flange, end stiffener (8) length sum with edge of a wing stiffener (7) length sum, central layer bottom flange (4) in end with the edge of a wing (3) in top flange, end stiffener (6) length sum, central layer separately with end web stiffener (5) length sum, central layer top flange (2).
7. " king " according to claim 1 font cross section large bearing capacity buckling-restrained bracing member, it is characterized in that: in the outer vertical plate (17) of described sleeve and first to fourth sleeve, stretch plate (11,12,13,14) and sleeve top board (9), cover tube end plate (10) is equal in length, and be less than central layer web (1) and end web stiffener (5) length sum, so that central layer free-extension distortion in sleeve.
8. " king " according to claim 1 font cross section large bearing capacity buckling-restrained bracing member, it is characterized in that: the end of the integral sleeve of described " king " font section structural member arranges end cap plate (16), between end cap plate (16) and integral sleeve, adopts groove weld seam to be connected.
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| CN201210410836.XA CN102877569B (en) | 2012-10-25 | 2012-10-25 | Large-bearing-capacity buckling restrained brace component with cross section being shaped like Chinese character WANG |
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| CN201210410836.XA CN102877569B (en) | 2012-10-25 | 2012-10-25 | Large-bearing-capacity buckling restrained brace component with cross section being shaped like Chinese character WANG |
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| JPH1136444A (en) * | 1997-07-16 | 1999-02-09 | Takenaka Komuten Co Ltd | Unbonded brace |
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| TW200619471A (en) * | 2005-09-19 | 2006-06-16 | Keh-Chyuan Tsai | Construction method for precast buckling restrained braces |
| CN101220616A (en) * | 2008-01-25 | 2008-07-16 | 同济大学 | Bracing steel sleeve flection restriction support component |
| CN201671226U (en) * | 2010-05-25 | 2010-12-15 | 西安建筑科技大学 | Expanded flanged cross-shaped steel SRC column |
| CN202064477U (en) * | 2010-12-30 | 2011-12-07 | 陈明中 | Novel supporting earthquake proof energy dissipator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6826874B2 (en) * | 1999-06-30 | 2004-12-07 | Nippon Steel Corporation | Buckling restrained braces and damping steel structures |
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2012
- 2012-10-25 CN CN201210410836.XA patent/CN102877569B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1136444A (en) * | 1997-07-16 | 1999-02-09 | Takenaka Komuten Co Ltd | Unbonded brace |
| JP2001115599A (en) * | 1999-10-20 | 2001-04-24 | Sumitomo Metal Ind Ltd | Steel structural member and frame member |
| TW200619471A (en) * | 2005-09-19 | 2006-06-16 | Keh-Chyuan Tsai | Construction method for precast buckling restrained braces |
| CN101220616A (en) * | 2008-01-25 | 2008-07-16 | 同济大学 | Bracing steel sleeve flection restriction support component |
| CN201671226U (en) * | 2010-05-25 | 2010-12-15 | 西安建筑科技大学 | Expanded flanged cross-shaped steel SRC column |
| CN202064477U (en) * | 2010-12-30 | 2011-12-07 | 陈明中 | Novel supporting earthquake proof energy dissipator |
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