CN202347682U - Buckling-restrained brace - Google Patents
Buckling-restrained brace Download PDFInfo
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- CN202347682U CN202347682U CN2011202744145U CN201120274414U CN202347682U CN 202347682 U CN202347682 U CN 202347682U CN 2011202744145 U CN2011202744145 U CN 2011202744145U CN 201120274414 U CN201120274414 U CN 201120274414U CN 202347682 U CN202347682 U CN 202347682U
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Abstract
The utility model belongs to a buckling-restrained brace comprising a steel core and a lateral restraint unit, wherein a surface isolating material layer is also arranged between the steel core and the lateral restraint unit. The buckling-restrained brace is characterized in that two ends of the steel core are provided with a connecting unit comprising a main connecting plate and an auxiliary connecting plate, the main connecting plate is linear and serves as a part of the steel core, the auxiliary connecting plate is welded and fixed on an unassembled surface of the main connecting plate along the axial direction of the steel core and is vertical to the main connecting plate, and when the auxiliary connecting plate and the main connecting plate are welded and fixed, the outer end surface of the auxiliary connecting plate is located at the outer side of the outer end surface of the main connecting plate in the axial direction of the steel core. The buckling-restrained brace is compact in structure as well as economic and practical; and a welding and mounting method of the buckling-restrained brace with the connecting unit is simple and feasible and can be used for thoroughly eliminating the adverse effect of mounting errors to the energy dissipation and shock absorption properties of the buckling-restrained brace so as to be very safe and reliable.
Description
Technical field
The utility model belongs to civil engineering structure cushion technique field, is specifically related to a kind of building structural element, particularly a kind of buckling-restrained support that is used for the damping power consumption.
Background technology
The development of modern architecture more and more trends towards tall and bigization, therefore in design process, must consider the anti-seismic performance of building structure, particularly is positioned at the building of earthquake district occurred frequently, especially should be noted that.Except that the prevention seismic damage, the design of many buildings also need be considered wind resistance.For addressing this problem; The member that more external scientific research personnel have not had flexing to take place when having invented pressurized; And they are applied in the building structure realize the power consumption antidetonation; In the industry this class A of geometric unitA is called anti-flexing support, buckling-restrained support or the anti-support of buckling,, hereinafter is referred to as buckling-restrained support for narrating conveniently.The mounting means of existing buckling-restrained support mainly comprises following three kinds of modes: (1) bearing pin connects; (2) bolt connects; (3) end face butt welding.Because the intensity of steel is very high, it just gets into state of plastic deformation about elastic compression 2～3mm, and therefore buckling-restrained support is all very high to the intensity and the required precision that connect, and engineering practice shows that existing three kinds of connected modes all exist some problems.For example, it is high that bearing pin connects the merging precision requirement; When adopting bolt to connect, enlarged in size is wanted in the junction plate end, and coarse processing will be carried out in the surface, and bolt must be selected the bolt of high strength grade (10.9 grades or more than), so cost is higher, also will set up junction plate usually, will further promote cost.And it is a lot of to utilize bolt to connect the factor that influences buckling-restrained support works performance; The quality of fit of bolt and connecting hole is difficult for guaranteeing, bolt needs special-purpose torque spanner to tighten or the like; Both made and found so in test still can skid; These factors are easy to cause buckling-restrained support energy-dissipating and shock-absorbing performance decrease, even lose efficacy; The mode of end face butt welding is lower to the requirement of precision, on economy, also has more advantage, but research shows that the weld seam vertical with receiving force direction is prone to produce stress to be concentrated, and disturbs under the power effect in circulation and is prone to fatigue fracture, and reliability is lower.In sum, all there are certain drawback in the syndeton and the installation side of existing buckling-restrained support, a kind of new buckling-restrained support product that can thoroughly address the above problem of market in urgent need.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned defective, and a kind of more easy mounting is provided, and the economy of installing and the buckling-restrained support of better reliability.
The buckling-restrained support of the utility model is to realize like this; Comprise steel core and lateral restraint unit; Steel core is made up of active section, linkage section and changeover portion, and active section is positioned at the lateral restraint unit, also is provided with surperficial spacer material layer between steel core and the lateral restraint unit; It is characterized in that at least one end setting of steel core is welded to connect the unit; Be welded to connect the unit and comprise that main junction plate, side connect short slab and auxiliary junction plate, main junction plate is the part of steel core, and side connects short slab and auxiliary junction plate is arranged on the non-butting surface of main junction plate along the steel core axial restraint; Side connects short slab and partly is positioned at the lateral restraint unit, and auxiliary junction plate extends out to beyond the main junction plate at the steel core axial direction.
Wherein, described side connects short slab and auxiliary junction plate can integrated setting, constitutes side and connects long slab, and side connection long slab extends out to beyond the main junction plate at the steel core axial direction; Side connects short slab and auxiliary junction plate can also constitute side and connect long slab being welded into one, and for the ease of implementing welding, side connects short slab or/and the butt end of auxiliary junction plate is provided with bevel for welding.
The structure of said steel core is varied, and its shape of cross section can be " one " font, also can be " ten " font or wrong cross, waits different shape.The concrete structure of lateral restraint unit also can be varied, for example can be the restraining structure that concrete constitutes, and can be the restraining structure that steel concrete constitutes, and can also be restraining structure of constituting together of outer steel pipe and concrete or the like.The end shape of main junction plate can be rectangle, isosceles trapezoid or " V " font that falls.
The side that is provided with on the non-butting surface of main junction plate connects long slab and can also be the part of steel core in the buckling-restrained support or/and side connects short slab; Be that side connects long slab or/and side connection short slab is the extension of structure of steel pole to the outside; It has a style of one's own; Be not that side is connected long slab or/and side is weldingly fixed on the steel core after connecting short slab, this technical scheme has reduced weld seam quantity, not only simplifies manufacturing procedure and can also avoid the not good various harmful effects that bring of welding quality.
For the ease of installing, adopt split-type structural between the auxiliary junction plate that is provided with on the non-butting surface of main at least junction plate one side and main junction plate, assist junction plate to be connected short slab, main junction plate and connected node plate with side during installation and weld respectively and be fixedly linked.In addition; In addition; On the non-butting surface of main junction plate limiting plate can also be set, preset side is connected long slab or auxiliary junction plate is arranged on the same non-butting surface on limiting plate and the main junction plate, can utilize limiting plate to cooperate with the connected node plate in the installation process; Prevent that the buckling-restrained support of the utility model from deflecting, and implements welding job more easily.Main junction plate is or/and the docking end face and also bevel for welding can be set of auxiliary junction plate and connected node plate, and more convenient welding is fixed.
In order to guarantee structural strength; An auxiliary junction plate or a side stringer or a side are set on the non-butting surface of each of main junction plate at least connect long slab; And the bulk strength of the auxiliary junction plate that is provided with on two non-butting surfaces of main junction plate, side stringer or side connection long slab should keep identical; So that structure stress is balanced, prevent to occur in the use unstable phenomenon.
Need to prove; In the buckling-restrained support of the utility model; Can adopt the said linkage unit of the utility model simultaneously in two ends; Also only an end is provided with the described unit that is welded to connect, and the other end adopts existing various linkage unit, the unit that for example is articulated and connected, bolt linkage unit, the bolt linkage unit of setting up junction plate or end face butt welding linkage unit etc.During use, utilize to be welded to connect the unit and to cooperate with existing linkage unit and be connected, can make connection procedure more simple and reliable through being welded to connect the sum of errors gap of unit generation when effectively eliminating existing linkage unit and connecting.
Another purpose of the utility model is to provide the connected node plate of the buckling-restrained support fit applications of a kind of and above-mentioned the utility model, it is characterized in that on the connected node plate being provided with buckling-restrained support in the gap that cooperates of main junction plate.According to the difference of main junction plate shape in the buckling-restrained support, gap can be an end open rectangle, isosceles trapezoid or " V " font.For the ease of implementing welding, the periphery of gap can also be provided with bevel for welding.
The 3rd purpose of the utility model is to provide a kind of mounting method of above-mentioned buckling-restrained support, and it comprises the steps:
(1) according to the real size of buckling-restrained support; The position of corresponding main junction plate utilizes the instrument on-site cutting to go out corresponding gap on the connected node plate preset or that field Welding fixedly installs in frame construction, and the burr and the oxide skin polishing of gap periphery are cleaned out;
(2) the main junction plate with buckling-restrained support places the gap that cuts out on the connected node plate, behind the centering position through spot welding with main junction plate or/and auxiliary junction plate and connected node plate be fixed together;
(3) implement weld fixing along counterface between the two the main junction plate and the connected node plate of buckling-restrained support; The auxiliary junction plate and the connected node plate that will be fixedly installed on main junction plate surface more are integrally welded, or/and will independently assist junction plate and connected node plate and main junction plate integrally welded;
(4) remove welding slag and the metal material surface polishing cleaned out, polish then, at last bare metallic surface is implemented antirust processing.
Based on above-mentioned mounting method; Also gap can be set in advance on the connected node plate in the step (1); The connected node plate that will have gap again welds fixing in advance or field Welding is fixedly installed in the frame construction; Gap is put into the junction plate of the buckling-restrained support of correspondence processing in (2) then set by step, continues to implement subsequent step again.
It is pointed out that the non-butting surface of said main junction plate, be meant that main junction plate and connected node plate are assembled together when implementing welded and installed the surface of no matching relationship between the gap of main junction plate and connected node plate.
The buckling-restrained support of the utility model; Through the unit that is welded to connect of main junction plate and auxiliary junction plate formation is set at least one end of steel core; In the time of can realizing being weldingly connected with the external frame structure; The force direction that receives of the bearing of trend of most of attachment weld and steel core keeps non-perpendicular state, and therefore stressed more reasonable, reliability is higher.In addition, the buckling-restrained braced structures of the utility model is compact, needs auxiliary material few; The utility model connected node plated construction of its fit applications is simple, easy to process, and the fit applications of the two is strong to construction error and mismachining tolerance adaptive capacity; Economical and practical, market application foreground is very wide.
The welded and installed method of the buckling-restrained support of the utility model, it is few, simple to consume auxiliary material, can thoroughly eliminate the harmful effect of alignment error to the energy-dissipating and shock-absorbing performance of buckling-restrained support self, fool proof reliable.
Description of drawings
Fig. 1 is one of structural representation of the buckling-restrained support of the utility model.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the A-A sectional view of Fig. 1.
Fig. 4 is one of B-B sectional view of Fig. 2.
Fig. 5 be Fig. 2 the B-B sectional view two.
Fig. 6 is the structural representation of frame construction and connected node plate
Fig. 7 is one of scheme of installation of the buckling-restrained support of the utility model shown in Figure 1.
Fig. 8 is the rear elevation of Fig. 7.
Fig. 9 be the buckling-restrained support of the utility model shown in Figure 1 scheme of installation two.
Figure 10 be the buckling-restrained support of the utility model structural representation two.
Figure 11 be the buckling-restrained support of the utility model structural representation three.
Figure 12 be the buckling-restrained support of the utility model structural representation four.
Figure 13 is the upward view of Figure 12.
Figure 14 is one of C-C sectional view of Figure 12.
Figure 15 is one of D-D sectional view of Figure 13.
Figure 16 is one of welded and installed sketch map of main junction plate and connected node plate.
Figure 17 be main junction plate and connected node plate the welded and installed sketch map two.
Figure 18 be Figure 12 the C-C sectional view two.
Figure 19 be Figure 13 the D-D sectional view two.
Figure 20 be the buckling-restrained support of the utility model structural representation six.
Figure 21 is the upward view of Figure 20.
Figure 22 is the scheme of installation of the buckling-restrained support of the utility model shown in Figure 20.
Figure 23 is seven and a scheme of installation of the structural representation of the buckling-restrained support of the utility model.
Figure 24 is the rear elevation of Figure 23.
Figure 25 is eight and a scheme of installation of the structural representation of the buckling-restrained support of the utility model.
Figure 26 is nine and a scheme of installation of the structural representation of the buckling-restrained support of the utility model.
The specific embodiment
Embodiment one
Like Fig. 1, Fig. 2, Fig. 3 and the buckling-restrained support of the utility model shown in Figure 4; Comprise steel core 2 and lateral restraint unit 1; Also be provided with surperficial spacer material layer 3 between steel core 2 and the lateral restraint unit 1; The shape of cross section of steel core is " one " font, and lateral restraint unit 1 is made up of Reinforced Concrete Materials.Part shown in a zone is the active section of the buckling-restrained support of the utility model among Fig. 1, and the b zone is a linkage section, and linkage section is symmetrically distributed in the active section both sides, and the part between active section and the linkage section is a changeover portion.The linkage section setting of steel core two ends is welded to connect the unit; Be welded to connect the unit and comprise that main junction plate 4, side connect short slab 14, auxiliary junction plate 15 is connected long slab 5 with side; The cross section of main junction plate 4 is " one " font; And main junction plate 4 is the part of steel core 2, and side connects long slab 5 and is connected short slab 14 with side and axially is weldingly fixed on accordingly on two non-butting surfaces of main junction plate 4 along steel core 2 respectively, and the setting that is perpendicular to one another with main junction plate 4; At the steel core axial direction, auxiliary junction plate 5 extends out to the main 4 plates outside that connects.In order to prevent unstability, side connects long slab 5 and side connection short slab 14 promptly begins to be provided with from changeover portion, and its part is arranged in lateral restraint unit 1.
When the utility model and steel framework structure 6 welded and installed; Operation as follows: (1) is as shown in Figure 6; Welding is fixedly connected gusset plate 7 in advance in frame construction 6; According to the real size of the buckling-restrained support of the utility model, the position of corresponding main junction plate 4 utilizes the cutting torch on-site cutting to go out corresponding gap 8 on connected node plate 7, then the burr and the oxide skin polishing of gap 8 peripheries is cleaned out; (2) the buckling-restrained support of lifting the utility model; Main junction plate 4 is placed the gap 8 that cuts out on the connected node plate 7; Side connects long slab 5 overlap joints on connected node plate 7 surfaces, through spot welding main junction plate 4 or side connection long slab 5 is linked together with connected node plate 7 in advance behind the centering position; (3) as shown in Figure 7; Implement welding at main junction plate 4 with the counterface that docks of connected node plate 7; Utilize three road weld seams 9,10 and 16 that the two is linked together, the side connection long slab 5 that will be weldingly fixed on main junction plate 4 surfaces then is also integrally welded with connected node plate 7.In addition, as shown in Figure 8, at opposite side, will assist junction plate 15 to be connected short slab 14 butt welding with side, and will assist junction plate 15 to weld respectively to be fixedly linked with main junction plate 4 and connected node plate 7.In order to see clearly; Fig. 7 and Fig. 8 are that example describes with the welded and installed that is welded to connect between unit and the connected node plate of buckling-restrained support one end of the utility model only; In like manner, the welded and installed of its other end also is so, and is as shown in Figure 9; The main junction plate 4 of the other end is weldingly fixed on through the connected node plate 11 that three weld seams 12,13 and 17 fixedly install with frame construction 6 oblique uppers; Equally, auxiliary junction plate 5 also is connected short slab 14, main fishplate bar 4 and connected node plate 11 companies' of weldering (not specifically illustrating) of adding respectively with side, realize that the abundant welding of buckling-restrained support of the utility model and frame construction 6 is fixed; (4) remove welding slag and the metal material surface polishing cleaned out, polish then, at last bare metallic surface is implemented antirust processing, accomplish whole welded and installed processes.
Owing to adopt welded and installed to fix between buckling-restrained support of the utility model and the frame construction, therefore have the following advantages: 1) compare with hinged connection of bearing pin with bolt, strong to the adaptive capacity of construction error and mismachining tolerance, simple installation; 2) need rough surface to handle unlike the bolt connection; Do not had or not factor affecting such as greasy dirt and mounting torque size yet; Better reliability can guarantee that the lateral force that frame construction is received mainly acts in the buckling-restrained support, gives full play to product energy-dissipating and shock-absorbing performance; 3) owing to do not adopt bolt and junction plate to connect, the buckling-restrained support of the utility model to be welded to connect block construction simpler, need not punching, can not reduce junction plate intensity, the end is therefore enlarged end size also, economy is better; 4) the most important thing is that weld seam receives force direction vertical each other with steel core during traditional butt joint welded and installed, is easy to generate along the axial remaining tensile stress of steel core; And weld seam concentrates on a section, forms stress and concentrates, in case there are genetic defects such as sand holes, crackle in the weld seam; Because the cause that stress is concentrated, stressed repeatedly back defective will be amplified damage rapidly, because the utility model is when welded and installed; Most of weld seam between the connected node plate of main junction plate and frame construction is along the axial setting of steel core, with steel core receive force direction identical, so more reasonable stress of weld seam; What produce is little along the axial tensile stress of steel core; Stress is concentrated few, and butt welded seam defective, initial crack and stress are concentrated insensitive, and welding reliability is better.
In the utility model; The concrete structure of lateral restraint unit can be varied; Except that the already mentioned reinforced concrete structure that utilizes constitutes the lateral restraint unit; Can also utilize other structures such as concrete structure or outer steel pipe and concrete combining structure etc. to constitute the lateral restraint unit,, can both reach same effect as long as restraint forces is enough.In addition, need to prove, in practical application,, also can be provided with on the non-butting surface of a side of main junction plate above an auxiliary junction plate in order to guarantee to be connected with the effective of connected node plate.For example as shown in Figure 5, two sides also can be set on the main junction plate 4 of the utility model connect long slabs 5, it should be noted that to be provided with on another non-butting surface of corresponding main junction plate 4 that two sides connect short slabs and two auxiliary junction plates are corresponding with it.Meaning with upside connection long slab is set is that the weld seam total length of increase and connected node plate has improved bonding strength on the one hand; On the other hand; In the process of implementing welded and installed step (2); Main junction plate places in the gap that cuts out on the connected node plate; Side connects the long slab overlap joint on connected node plate surface, and the side more than two or two connects long slab can prevent effectively that main junction plate from deflecting, more easily the centering position.It is to be noted in addition; In order to guarantee stress equalization; Side connects the selection that long slab 5 and side connect short slab 14 and auxiliary junction plate 15 should be identical as far as possible, and side connects short slab 14 and assists the total length of junction plate 15 amalgamations also should connect long slab 5 with side and keeps identical as far as possible.
In addition, it is pointed out that the non-butting surface of said main junction plate, be meant that main junction plate and connected node plate are assembled together when implementing welded and installed the surface of no matching relationship between the gap of main junction plate and connected node plate.For example among Fig. 4, the surface that is welded with side connection long slab 5 or auxiliary junction plate 15 in the main junction plate 4 is the non-butting surface of said main junction plate.Also be so among the follow-up embodiment, repeat no longer one by one.
In this example, to adopt rectangle master junction plate in the buckling-restrained support, on the corresponding connected node plate rectangle gap being set is that example describes.In practical application, the shape of main junction plate also can be for the isosceles trapezoid or the shape such as " V " font of falling, and is different according to the main junction plate shape of buckling-restrained support, only need the gap corresponding setting become isosceles trapezoid or fall shape such as " V " font to get final product.So, the buckling-restrained support of the utility model be welded to connect the unit when being welded to connect with the node unit plate, the weld seam of its formation mostly receives the non-perpendicular state of force direction maintenance with steel core; Therefore the tensile stress that produces is little; Stress is concentrated few, and the weld material when stressed around the defective can be shared the stressed of fault location automatically, so the anti-fatigue ability of weld seam is stronger; Longer service life, welding quality is more reliable.
The structure of steel core can be varied in the utility model; Its shape of cross section can be " one " font; Also can be different shapes such as " ten " font, as long as, can realize the described beneficial effect of the utility model in the unit that is welded to connect of linkage section use the utility model.
Embodiment two
The buckling-restrained support of the utility model shown in figure 10; Be with the difference of embodiment one; Comprise that four auxiliary junction plates 15 are connected short slab 14 with four sides; The auxiliary junction plate 15 that wherein is provided with on the non-butting surface with main junction plate 4 in advance is connected 14 pairs of short slabs and is welded into one with side, constitute a knockdown side and connect long slab, and will assist junction plate 15 to be weldingly fixed on the corresponding non-butting surface of main junction plate.
When this buckling-restrained support of routine described the utility model and frame construction welded and installed shown in Figure 6, its step and embodiment one are identical, no longer are repeated in this description at this.
Embodiment three
Based on the technology contents of embodiment one and embodiment two, the buckling-restrained support of the utility model can also develop into structure shown in Figure 11, comprise four connectionless with 4 of main junction plates, independently assist junction plate 15.
When this buckling-restrained support of routine described the utility model and frame construction welded and installed shown in Figure 6; Compare with method described in the embodiment one; Needing to increase secondary will assist junction plate 15 to be connected the operation of short slab 14, main junction plate 4 and 7 welding of connected node plate with side; All the other installation processes are identical, no longer are repeated in this description at this.
In this routine said technical scheme, the auxiliary junction plate of the buckling-restrained support of the utility model is all independent to be provided with, and is welded on side again during to be welded the installation and connects on the connected node plate of short slab, main junction plate and frame construction.But in order to reduce the site work amount; The all independent technical scheme that is provided with of auxiliary junction plate is not generally recommended as preferred version; Certainly; During for special circumstances such as on-the-spot installing space complicacies, also can adopt all independent technical scheme that is provided with of auxiliary junction plate, also in the protection domain of the utility model.
Embodiment four
Like Figure 12, Figure 13, Figure 14 and the buckling-restrained support of the utility model shown in Figure 15; Be with the difference of embodiment one; Steel core 2 is formed by two angle steel bight butt welding, and its shape of cross section is " ten " font, and the lateral restraint unit is made up of outer steel pipe 18 and concrete packing material 19.Like Figure 13 and shown in Figure 15; Main junction plate 4 comprises that two angle steel are combined into each limit of " one " font; Wherein another limit of an angle steel extends to main junction plate 4 outsides as side connection long slab 5; Another limit of another root angle steel only extends to then that the lateral restraint unit is outside to be constituted side and connect short slab 14, with guarantee can with the smooth erection welding of connected node plate.In addition,, groove is set respectively in two ends that are used to weld of main junction plate 4 in order to improve welding quality, specifically shown in figure 15.
The said buckling-restrained support of this example is identical with embodiment one with the welded and installed process of frame construction shown in Figure 6, at this repeated description not.It is to be noted shown in figure 16ly, owing to be provided with groove, can effectively improve the welding quality between main junction plate 4 and the connected node plate 7, can guarantee bonding strength preferably.In addition; Shown in figure 17 because the gap on the connected node plate 7 is on-the-spot to cut out with cutting torch, so shape might be not standard very; When the space between main junction plate 4 and the connected node plate 7 is big, also can set up supporting plate 18 to guarantee the smooth implementation of welding at dorsal part.Only docking being welded to connect between the end face with main junction plate 4 and connected node plate 7 one among the figure is that example describes, and being welded to connect between all the other butt joint end faces and other main junction plates and the connected node plate also is like this, enumerates no longer one by one.
Embodiment five
Like Figure 12, Figure 13, Figure 18 and the buckling-restrained support of the utility model shown in Figure 19, be that with the difference of embodiment four steel core 2 is welded to one another by three block plates and forms, its shape of cross section is " ten " font.Like Figure 13 and shown in Figure 19; Three block plates of forming steel core; Extend to the main junction plate of the formation respectively of linkage section 4, side connects long slab 5 and is connected short slab 14 with side, wherein side connection long slab 5 is connected with side on the non-butting surface that short slab 14 is vertically welded in main junction plate 4 respectively accordingly.
The said buckling-restrained support of this example is identical with embodiment one with the welded and installed process of frame construction shown in Figure 6, at this repeated description not.
Embodiment six
Like Figure 20 and the buckling-restrained support of the utility model shown in Figure 21, be that with the difference of embodiment one side connects long slab 5 and is connected with side on the non-butting surface that short slab 14 is weldingly fixed on main junction plate 4 respectively smoothly.
During with steel framework structure welded and installed shown in Figure 6; Shown in figure 22; Its installation process is identical with embodiment one; But because side connection long slab 5 is big with the area that reclines of connected node plate 7, be difficult for deflecting behind the gap of the main junction plate 4 embedding connected node plates 7 of therefore buckling-restrained support, be more conducive to welding procedure.Need to prove; At opposite side; Remain first butt welding between auxiliary junction plate 15 and the side connection short slab 14; And then will assist junction plate 15 and main junction plate 4 to weld together respectively with connected node plate 7, auxiliary junction plate 15 also connects long slab 5 the same smooth main junction plate 4 and connected node plate 7 surfaces (the not concrete description of drawings) of being arranged on side during welding.
The various advantages of in having embodiment one, describing; Because side connects long slab 5, assists junction plate 15 to be connected with side on the non-butting surface that short slab 14 is weldingly fixed on main junction plate 4 in the said buckling-restrained support of this example respectively smoothly; Therefore its linkage section take up room less, to the better adaptability of installing space.
Embodiment seven
Like Figure 23 and the buckling-restrained support of the utility model shown in Figure 24; Be with the difference of embodiment six; Each is welded to connect in the unit; Two sides are set connect long slabs 5, corresponding side connects short slab 14 and also is provided with two respectively with auxiliary junction plate 15, side connect long slab 5 be connected with side short slab 14 respectively along the steel core axially spaced-apart be weldingly fixed on two non-butting surfaces of main junction plate 4; During welded and installed, auxiliary junction plate 15 is connected 14 pairs of postweldings of short slab respectively and is weldingly connected with connected node plate 7 again with main junction plate 4 with side.Remove in addition, its welded and installed process and embodiment one are basic identical.
This type of technical scheme increased the weld seam total length of buckling-restrained support and connected node plate by ground, so bonding strength is higher.
Embodiment eight
The buckling-restrained support of the utility model shown in figure 25, the difference of itself and embodiment one be, main junction plate 4 be shaped as isosceles trapezoid.In addition; Frame construction 6 is made up of steel concrete; When framing structure 6, utilize anchor structure 21 that connected node plate 7 is cast in the frame construction 6, before building; The isosceles trapezoid gap corresponding with main junction plate shape is set on connected node plate 7 in advance, and the size of gap is slightly larger than the overall size of main junction plate 4.In addition, be provided with in welding on the main junction plate 4 that welding simultaneously is provided with two limiting plates 24 on that non-butting surface that side connects long slab 5.
When installing and fixing between buckling-restrained support and the frame construction 6; Preset gap on the connected node plate 7; Therefore the on-the-spot operation that can omit the cutting gap; Directly with assembling between buckling-restrained support lifting and the connected node plate 7, the said process of step (2) to step (4) is identical among its follow-up installation process and the embodiment one, no longer is repeated in this description at this.In addition, because map sheet limit, still be connected to example with an end of the buckling-restrained support of the utility model and connected node plate and frame construction at this and describe, the installation connection of the other end is similar with it, and no longer other explains by accompanying drawing.
Because main the company on the arm-tie 4 is provided with two limiting plates 24, in the installation process, when main junction plate 4 embedded in the gap, limiting plate 24 abutted in the side of connected node plate 7, can prevent effectively that buckling-restrained support from deflecting, more convenient welding.
Certainly, based on this routine said know-why, in practical application, the shape of main junction plate also can only need become corresponding shape to cooperate with it the gap corresponding setting and get final product, can realize good effect for falling other shapes such as " V " font.
Embodiment nine
As a kind of special case; The buckling-restrained support of the utility model shown in figure 26; Be that with the difference of embodiment one end of steel core is provided with the unit that is welded to connect of embodiment one described the utility model, the other end is provided with the existing bolt linkage unit 23 that steel plate constitutes.
The frame construction 6 of steel shown in figure 26; Connected node plate 7 is weldingly fixed on the frame construction 6 with connected node plate 11 in advance; And size and structure according to buckling-restrained support two ends master's junction plate 4 and bolt linkage unit 23; Offer gap (not specifically illustrating among the figure) on the connected node plate 7 in advance, offer connecting through hole (not specifically illustrating among the figure) on the connected node plate 11 in advance.When being fixedly connected with the frame construction 6 of steel; Lift buckling-restrained support; Utilize high-strength bolt 22 that the connected node plate 11 that fixedly installs on buckling-restrained support and the frame construction 6 is linked to each other earlier; After the main junction plate 4 of treating the buckling-restrained support other end is embedded in the gap on the connected node plate 7, with high-strength bolt 22 lockings; Implement welding at main junction plate 4 and connected node plate 7 counterfaces then; Utilize three road weld seams 9,10 and 20 that the two is linked together; Then side is connected long slab 5 and connect with 7 welderings of connected node plate, it is also integrally welded to assist junction plate (not specifically illustrating among the figure) to be connected short slab (not specifically illustrating among the figure), main junction plate 4 and connected node plate 7 with side again.Remove welding slag and the metal material surface polishing is cleaned out, polish then, at last bare metallic surface is implemented antirust processing, accomplish whole welded and installed processes.
Need to prove; This example is provided with the described unit that is welded to connect with an end in the buckling-restrained support of the utility model; It is that example describes that the other end adopts existing bolt linkage unit; In the practical application, the other end can also adopt other existing linkage unit, the unit that for example is articulated and connected, the bolt linkage unit of setting up junction plate or end face butt welding linkage unit etc.During use, utilize to be welded to connect the unit and to cooperate with existing linkage unit and be connected, can make connection procedure more simple and reliable, can realize same effect through being welded to connect the sum of errors gap of unit generation when effectively eliminating existing linkage unit and connecting.This shows that the applicability of the buckling-restrained support of the utility model is very strong, very practical.
The buckling-restrained support of the utility model; The unit that is welded to connect of main junction plate, side connection short slab and auxiliary junction plate formation is set through the linkage section at steel core; In the time of can realizing being weldingly connected with the external frame structure; The bearing of trend of main attachment weld receives force direction consistent with steel core, and therefore stressed more reasonable, reliability is higher.In addition, the buckling-restrained braced structures of the utility model is compact, economical and practical, and market application foreground is very wide.The welded and installed method of the buckling-restrained support of the utility model, simple, can thoroughly eliminate the harmful effect of alignment error to the energy-dissipating and shock-absorbing performance of buckling-restrained support self, fool proof reliable.
Claims (9)
1. buckling-restrained support; Comprise steel core and lateral restraint unit; Steel core is made up of active section, linkage section and changeover portion, and active section is positioned at the lateral restraint unit, also is provided with surperficial spacer material layer between steel core and the lateral restraint unit; It is characterized in that at least one end setting of steel core is welded to connect the unit; Be welded to connect the unit and comprise that main junction plate, side connect short slab and auxiliary junction plate, main junction plate is the part of steel core, and side connects short slab and auxiliary junction plate is arranged on the non-butting surface of main junction plate along the steel core axial restraint; Side connects short slab and partly is positioned at the lateral restraint unit, and auxiliary junction plate extends out to beyond the main junction plate at the steel core axial direction.
2. buckling-restrained support according to claim 1 is characterized in that side connects short slab and auxiliary junction plate integrated setting, constitutes side and connects long slab, and side connects long slab and extends out to beyond the main junction plate at the steel core axial direction.
3. buckling-restrained support according to claim 1 is characterized in that side connection short slab and auxiliary junction plate to being welded into one, constituting side and connect long slab, and side connects short slab or/and the butt end of auxiliary junction plate is provided with bevel for welding.
4. buckling-restrained support according to claim 2 is characterized in that the side that is provided with on the non-butting surface of main junction plate connects long slab or/and side connection short slab is the part of steel core in the buckling-restrained support.
5. buckling-restrained support according to claim 1; Adopt split-type structural between auxiliary junction plate that it is characterized in that being provided with on the non-butting surface of main at least junction plate one side and main junction plate, auxiliary junction plate is connected short slab, main junction plate and connected node plate and welds respectively and be fixedly linked during installation with side.
6. buckling-restrained support according to claim 1 is characterized in that main junction plate or/and auxiliary junction plate is provided with bevel for welding with the end face that docks of connected node plate.
7. buckling-restrained support according to claim 1 is characterized in that on each non-butting surface of main junction plate an auxiliary junction plate being set at least, or a side stringer, or a side connects long slab.
8. buckling-restrained support according to claim 1, the end shape that it is characterized in that main junction plate are rectangle, isosceles trapezoid or " V " font that falls.
9. buckling-restrained support according to claim 1 is characterized in that on the non-butting surface of main junction plate limiting plate being set, and preset side is connected long slab or auxiliary junction plate is arranged on the same non-butting surface on limiting plate and the main junction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202744145U CN202347682U (en) | 2011-07-29 | 2011-07-29 | Buckling-restrained brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202744145U CN202347682U (en) | 2011-07-29 | 2011-07-29 | Buckling-restrained brace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202347682U true CN202347682U (en) | 2012-07-25 |
Family
ID=46536694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202744145U Withdrawn - After Issue CN202347682U (en) | 2011-07-29 | 2011-07-29 | Buckling-restrained brace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202347682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900166A (en) * | 2011-07-29 | 2013-01-30 | 青岛科而泰环境控制技术有限公司 | Buckling restrained brace, as well as joint connecting plate and mounting method thereof |
| CN103255852A (en) * | 2013-06-04 | 2013-08-21 | 北京听风庐文化发展有限公司 | Part-filling assembling lapping buckling-proof support |
| CN105544764A (en) * | 2016-01-15 | 2016-05-04 | 北京堡瑞思减震科技有限公司 | Large-axial-force buckling restrained brace and connecting joint device and mounting method thereof |
-
2011
- 2011-07-29 CN CN2011202744145U patent/CN202347682U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900166A (en) * | 2011-07-29 | 2013-01-30 | 青岛科而泰环境控制技术有限公司 | Buckling restrained brace, as well as joint connecting plate and mounting method thereof |
| CN102900166B (en) * | 2011-07-29 | 2015-06-10 | 青岛科而泰环境控制技术有限公司 | Buckling restrained brace, as well as joint connecting plate and mounting method thereof |
| CN103255852A (en) * | 2013-06-04 | 2013-08-21 | 北京听风庐文化发展有限公司 | Part-filling assembling lapping buckling-proof support |
| CN105544764A (en) * | 2016-01-15 | 2016-05-04 | 北京堡瑞思减震科技有限公司 | Large-axial-force buckling restrained brace and connecting joint device and mounting method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120725 Effective date of abandoning: 20150610 |
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| RGAV | Abandon patent right to avoid regrant |