CN201521039U - Anti-bending and anti-seismic support with triple square steel tubes - Google Patents
Anti-bending and anti-seismic support with triple square steel tubes Download PDFInfo
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- CN201521039U CN201521039U CN2009202377242U CN200920237724U CN201521039U CN 201521039 U CN201521039 U CN 201521039U CN 2009202377242 U CN2009202377242 U CN 2009202377242U CN 200920237724 U CN200920237724 U CN 200920237724U CN 201521039 U CN201521039 U CN 201521039U
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Abstract
The utility model relates to an anti-bending and anti-seismic support with triple square steel tubes, which comprises a shaft-force tube (2), an internal constraining tube (1) and an external constraining tube (3) which are sheathed together and have square sections, and a first connecting component and a second connecting component which are respectively welded at two ends of the shaft-force tube (2); and the anti-bending and anti-seismic support is characterized in that one end of the internal constraining tube (1) is welded with the first connecting component; one end of the external constraining tube (3) is welded with the second connecting component; the middle part of the external wall of the shaft-force tube (2) is provided with a section weakening structure; and the section weakening structure is formed by 1 to 3 square grooves (6) which are distributed circumferentially and have equal width, or by 1 to 3 rows of axial through holes (6') which are distributed circumferentially and have equal length. As for the anti-seismic support, the bending position can be preset, and the effect of hysteresis energy consumption is remarkably improved.
Description
Technical field
The utility model relates to a kind of building structural element, and the antidetonation that is specifically related to shaft-like antidetonation supporting member, particularly triple steel tubular structures supports.
Background technology
Shaft-like supporting member is a kind of building structural element commonly used in reinforcement of building and the seismic design, generally is used for damping and antidetonation between Liang Yuzhu, post and post or building and the building.From the angle of the mechanics of materials, this shaft-like supporting member is a kind of two power bars, carries etc. at earthquake or wind under the effect of dynamic loading and is easy to generate bending deformation and unstability.
In order to prevent that shaft-like supporting member is because of the bending deformation unstability, improve its shock resistance, the wild Gu Xue of reed in 2005 etc. disclose a kind of triple steel tube anti-flex energy dissipation and have supported (wild paddy of bush clover; the Long tail is directly controlled, field mouth filial piety, bend and restrain Block レ one ス earthquake-proof function To Seki The Ru research [A] Deng. triple Steel bases. originally build the conference Intraoperative Talk of Building association day and drill outline collection [C]. nearly Ji: originally build Building day and learn, 2005:1011-1012), shown in Figure 1 in its structure such as the Figure of description.As seen from Figure 1, to be a solenoid by the axle solenoid of the axle solenoid of low-yield steel and common iron dock the principal character that supports of disclosed power consumption such as the wild Gu Xue of reed constitutes.Disclosed triple steel tube anti-flex energy dissipations such as the wild Gu Xue of reed support and are based on that the hysteretic energy characteristics design of metal material in deformation process form, utilize inside and outside constraint element to provide restriction dexterously to core cell, make whole support have good hysteretic energy, significantly promoted the anti-flexion capabilities of whole member under dynamic loading, but, as seen from Figure 1, described triple steel tube anti-flex energy dissipation supports and obviously has following deficiency: 1, the welding difficulty of the axle solenoid of low-yield steel and the butt joint of the axle solenoid of common iron is big, if and the residual stress of weld is handled the bad surrender position uncertainty that very easily causes, the one, bring difficulty to design, the 2nd, have a strong impact on the hysteretic energy performance of whole support; 2, because the anti-surrender ability of low-yield steel and common iron differs very big, therefore can't make whole axle solenoid complete yield, its hysteretic energy effect is obviously limited; 3, axle solenoid and inside and outside confinement tube are welded on the right end plate simultaneously, not only ignored the effect of contraction of confinement tube to the axle solenoid of common iron, and caused the seriously asymmetric of whole support two rigidity, make the weakness of whole support transfer to the weld of unconfined axle solenoid and first member plate; 4, the low-yield steel are a kind of high-tech special steel materials, and some developing countries still do not grasp its production technology, have therefore seriously hindered applying of it.5, because the gap between the compound steel pipe generally has only 1～2mm, axle solenoid and inside and outside confinement tube are welded on the end simultaneously, increase the welding procedure difficulty undoubtedly.
Summary of the invention
In view of there is above-mentioned deficiency in prior art, technical problem to be solved in the utility model provides a kind of predeterminable power consumption support in position of surrendering, and this support has the outstanding advantage that the hysteretic energy effect significantly promotes.
The scheme that the utility model solves the problems of the technologies described above is as described below:
The anti-flexing antidetonation of a kind of triple square steel pipe supports, it is that square axle solenoid, interior confinement tube and outer confinement tube and first connecting elements and second connecting elements that is welded on a solenoid two ends are respectively formed that this antidetonation supports by the cross section that is sleeved on together, it is characterized in that, an end of confinement tube and first connecting elements welding in described, an end of described outer confinement tube and the welding of second connecting elements; The middle part of described axle solenoid outer wall is provided with cross section and weakens structure, this structure is the isometric axially extending bore that 1～3 wide quadrangle groove that circumferentially distributes or 1～3 row circumferentially distribute, wherein, when described cross section weakens structure and is 1～3 wide quadrangle groove that circumferentially distributes, the cross-sectional area of each quadrangle groove is 0.025～0.075 smaller or equal to the length ratio that the width of 20%, one long-pending quadrangle groove of axle solenoid wall cross-section multiply by the long-pending of its number and axle solenoid; When described cross section weaken structure be 1～3 row circumferentially distribute isometric axially extending bore the time, each row's axially extending bore is four and is distributed in a solenoid respectively all round on the center line on surface, their cross-sectional area sum smaller or equal to axle solenoid wall cross-section long-pending 20%; The long-pending length ratio with a solenoid that the length of one axially extending bore multiply by its row's number is 0.025～0.075.
In order to make a solenoid after the position surrender of offering the quadrangle groove, along with the increasing of load can be to two expansion until reaching the total cross-section surrender, giving full play to the usefulness of material, the flakiness ratio of the described axle of technique scheme solenoid, promptly the hem width of cross section should be smaller or equal to 22 with the ratio of wall thickness.
Existing result of study shows that about beam ratio that triple steel tube anti-flex energy dissipations support is directly related with the size of gaps between axle solenoid and the inside and outside confinement tube, and its about beam ratio should be greater than 2.Based on this, gap between axle solenoid and the inside and outside confinement tube should guarantee at 1～2mm, inside and outside confinement tube flakiness ratio rule of thumb preliminary election earlier, about beam ratio of the whole support of verification then, if about beam ratio of whole support is less than 2 then suitably thicken the about beam ratio of checking computations again, till about beam ratio of whole support is greater than 2.
Because technical scheme described in the utility model adopts the means in axle solenoid middle part tube wall fluting or perforate that described axle solenoid is weakened at preposition, thereby realized that the whole effect that is supported on dynamic loadings such as earthquake or wind carry produces hysteretic energy down, therefore has following beneficial effect than prior art:
1, whole axle solenoid uses the middle part of identical materials and outer wall to be provided with cross section weakening structure (quadrangle groove or axially extending bore), therefore, after the cross section at middle part weakens the surrender of structure place, along with the increasing of load can be to two expansion until reaching complete yield, the hysteretic energy effect of whole support is significantly improved, and the usefulness of material has also obtained giving full play to.
2, the position of cross section weakening structure is predetermined in advance, has avoided the randomness of yield deformation position, can guarantee that its actual service behaviour is consistent with the design expected performance, and effect has predictable.
3, the position of cross section weakening structure is located at the middle part of a solenoid, be convenient to inside and outside confinement tube is welded on respectively on first connecting elements and second connecting elements, both avoided easily causing stress to concentrate on the same connecting elements because of concentrating to be welded on, the weakness that has also overcome the serious asymmetric and whole support of whole support two rigidity is easily transferred to the axle solenoid of unconfined common iron and the deficiency of connecting elements weld.
4, avoided dependence, helped applying the low-yield special steel material.
5, there is not the construction of docking of low-yield special steel material and common iron, easy to make.
Description of drawings
Fig. 1 for existing triple steel tube anti-flex energy dissipations support structural representation.
Fig. 2～4 are the structural representation of a specific embodiment of the anti-flexing antidetonation support of triple square steel pipe described in the utility model, and wherein, Fig. 2 is front view (vertical profile), and Fig. 3 looks enlarged drawing for a left side, and Fig. 4 is the A-A profile of Fig. 2.
Fig. 5 and Fig. 6 are set quadrangle groove place partial structurtes schematic diagram on Fig. 2～4 illustrated embodiment axis solenoids, and wherein, Fig. 5 is a front view, and Fig. 6 is the D-D sectional view of Fig. 5.
Fig. 7～9 are the structural representation of another specific embodiment of the anti-flexing antidetonation support of the triple square steel pipes of the utility model, and wherein Fig. 7 is front view (vertical profile), and Fig. 8 is a left view, and Fig. 9 is the B-B profile of Fig. 7.
Figure 10 is set three quadrangle groove place partial structurtes schematic diagrames on Fig. 7～9 illustrated embodiment axis solenoids.
Figure 11～13 are the structural representation of the another specific embodiment of the anti-flexing antidetonation support of triple square steel pipe described in the utility model, and wherein, Figure 11 is front view (vertical profile), and Figure 12 looks enlarged drawing for a left side, and Figure 13 is the C-C profile of Figure 11.
Figure 14 and Figure 15 are set three row's axially extending bore place partial structurtes schematic diagrames on Figure 11～13 illustrated embodiment axis solenoids, and wherein, Figure 14 is a front view, and Figure 15 is the E-E sectional view of Figure 14.
Figure 16 and Figure 17 are the anti-user mode figure of flexing antidetonation support applications between Liang Yuzhu of triple square steel pipe described in the utility model.
Figure 18 is the anti-user mode figure of flexing antidetonation support applications between post and post of triple square steel pipe described in the utility model.
Figure 19 is the anti-user mode figure of flexing antidetonation support applications between building and building of triple square steel pipe described in the utility model.
The specific embodiment
Shown in Fig. 2～4, the anti-flexing antidetonation of triple square steel pipe described in the utility model is supported for a kind of rod component, vertically be made up of the non-surrender section of nothing constraint and the middle surrender section at two, the interior confinement tube 1 that wherein surrender section is made by the ordinary low-carbon steel square steel pipe from inside to outside successively, axle solenoid 2 and outer confinement tube 3 are formed; The non-surrender section of nothing constraint that is positioned at surrender Duan Zuotou is first connecting elements, the non-surrender section of nothing constraint that is positioned at surrender section right head is second connecting elements, and described first connecting elements and second connecting elements are made of an end plate 4 and the junction plate 5 that is welded on end plate 4 one sides respectively.
Referring to Fig. 2 and Fig. 3, in this example, first connecting elements and second connecting elements are a kind of and the hinged member of braced structures, the two all is made up of junction plate 5 and end plate 4, wherein, junction plate 5 is made of two general steel plates that are welded in parallel on the end plate 4, is respectively equipped with through installing hole 7 on described two general steel plates; Described end plate 4 is discoid, and wherein, left side and a plate 5 of the end plate 4 in first connecting elements weld together, the boss of right side confinement tube 1 and solenoid 2 in the center outwards is provided with suit and welding successively; Right side and another junction plate 5 of the end plate 4 in second connecting elements weld together, the left side from the center outwards be provided with successively suit and welding axle solenoid 2 and outside the boss of confinement tube 3.
Referring to Fig. 5 and 6 and in conjunction with Fig. 4, the middle part of described axle solenoid 2 outer walls is provided with a circumferential quadrangle groove 6, and the axial width of this quadrangle groove 6 is 0.030 with the length ratio of axle solenoid 2; In this example, the axle solenoid 2 flakiness ratio equal 22, the cross-sectional area of quadrangle groove 6 equal a solenoid 2 tube walls cross-sectional area 20%, by formula
Can calculate the degree of depth of quadrangle groove 6, B is the hem width of the cross section of axle solenoid 2 in the formula, and b is the hem width of the cross section endoporus of axle solenoid 2, and the h (see figure 5) is the degree of depth of quadrangle groove 6.
Referring to Fig. 4, the gap in this example between interior confinement tube 1, axle solenoid 2 and outer confinement tube 3 threes is 1mm, and the flakiness ratio of interior confinement tube 1 and outer confinement tube 3 should be determined greater than 2 principle checking computations according to about beam ratio.
Referring to Fig. 7～9 and in conjunction with Figure 10, this example has two with the difference of Fig. 2～4 illustrated embodiments, the one, it is that first connecting elements is a kind of cross structure of fixedlying connected with braced structures with second connecting elements that the middle part of a solenoid 2 is provided with three circumferential wide quadrangle grooves 6, two.
In Fig. 7～9 illustrated embodiments, the flakiness ratio of getting a solenoid 2 equals 20; It is that 0.075 principle is determined that the width of each quadrangle groove 6 all multiply by 3 long-pending length ratio with axle solenoid 2 according to the width of a quadrangle groove 6; Definite method of each quadrangle groove 6 degree of depth is as described below: the cross-sectional area of getting each quadrangle groove 6 equal a solenoid 2 tube walls cross-sectional area 16%, by formula
Calculate the degree of depth of quadrangle groove 6, B is the hem width of the cross section of axle solenoid 2 in the formula, and b is the hem width of the cross section endoporus of axle solenoid 2, and the h (see figure 10) is the degree of depth of quadrangle groove 6.Referring to Fig. 9, the gap in this example between interior confinement tube 1, axle solenoid 2 and outer confinement tube 3 threes is 2mm, and the flakiness ratio of interior confinement tube 1 and outer confinement tube 3 should be determined greater than 2 principle checking computations according to beam ratio equally.
In Fig. 7～9 illustrated embodiments, the first shown connecting elements and second connecting elements also all are made up of junction plate 5 and end plate 4, and wherein, the structure of end plate 4 is identical with Fig. 2～4 illustrated embodiments; The cross section of junction plate 5 is cross, is made of the general steel plate welding, is respectively equipped with three installing holes 7 on its four wing.
Referring to Figure 11～15, this example is that with the difference of Fig. 7～9 illustrated embodiments the weakening structure that replaces set three the quadrangle groove 6 in axle solenoid 2 outer walls middle part is the isometric axially extending bores 6 ' of three rows.Referring to Figure 11 and 13, each row axially extending bore 6 ' be four, be distributed in respectively a solenoid 2 all round the surface center line on.In this example, the flakiness ratio of getting a solenoid 2 equals 20; It is that 0.075 principle is determined that the length of each axially extending bore 6 ' all multiply by 3 long-pending length ratio with axle solenoid 2 according to the length of an axially extending bore 6 '; Each axially extending bore 6 ' width is determined smaller or equal to 20% principle according to the weakening ratio of each row's axially extending bore 6 ', the weakening ratio of establishing each row's axially extending bore 6 ' in this example is smaller or equal to 16%, be each row axially extending bore 6 ' the cross-sectional area sum equal a solenoid 2 tube walls cross-sectional area 16%, the width that calculates axially extending bore 6 ' thus equals 0.04 (B+b), wherein B is the hem width of the cross section of axle solenoid 2, and b is the hem width of the endoporus cross section of axle solenoid 2.
Referring to Figure 16～19, the anti-flexing antidetonation support 8 of triple square steel pipes described in the utility model can be located between beam 9 and post 10 (seeing Figure 16 and Figure 17), post 10 and post 10 ' (seeing Figure 18) or building 11 and the building 11 ' (seeing Figure 19) and realize damping, antidetonation.
Claims (3)
1. the anti-flexing antidetonation of triple square steel pipes supports, it is that square axle solenoid (2), interior confinement tube (1) and outer confinement tube (3) and first connecting elements and second connecting elements that is welded on a solenoid (2) two ends are respectively formed that this antidetonation supports by the cross section that is sleeved on together, it is characterized in that
An end of confinement tube (1) and first connecting elements welding in described, an end of described outer confinement tube (3) and the welding of second connecting elements;
The middle part of described axle solenoid (2) outer wall is provided with cross section and weakens structure, and this structure is the isometric axially extending bore (6 ') that 1～3 wide quadrangle groove (6) that circumferentially distributes or 1～3 row circumferentially distribute, wherein,
When described cross section weakens structure and is 1～3 wide quadrangle groove (6) that circumferentially distributes, the cross-sectional area of each quadrangle groove (6) is 0.025～0.075 smaller or equal to the length ratio that the width of 20%, one long-pending quadrangle groove (6) of axle solenoid (2) wall cross-section multiply by the long-pending of its number and axle solenoid;
When described cross section weakens structure is that the circumferential isometric axially extending bore that distributes of 1～3 row is when (6 '), each row's axially extending bore (6) is four and is distributed in a solenoid (2) respectively all round on the center line on surface, their cross-sectional area sum smaller or equal to axle solenoid (2) wall cross-section long-pending 20%; The long-pending length ratio with a solenoid that the length of one axially extending bore (6) multiply by its row's number is 0.025～0.075.
2. the anti-flexing antidetonation of a kind of triple square steel pipes according to claim 1 supports, and the flakiness ratio that it is characterized in that described axle solenoid (2) is smaller or equal to 22.
3. the anti-flexing antidetonation of a kind of triple square steel pipes according to claim 1 and 2 supports, and it is characterized in that the gap between described axle solenoid (2) and interior confinement tube (1) and the outer confinement tube (3) is 1～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202377242U CN201521039U (en) | 2009-10-23 | 2009-10-23 | Anti-bending and anti-seismic support with triple square steel tubes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202377242U CN201521039U (en) | 2009-10-23 | 2009-10-23 | Anti-bending and anti-seismic support with triple square steel tubes |
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| CN201521039U true CN201521039U (en) | 2010-07-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535666A (en) * | 2010-12-30 | 2012-07-04 | 陈明中 | Novel support type anti-seismic damper |
| CN102966182A (en) * | 2012-11-01 | 2013-03-13 | 上海蓝科钢结构技术开发有限责任公司 | Concrete member and steel support H-shaped embedded connection joint |
| CN103696357A (en) * | 2013-12-02 | 2014-04-02 | 北京工业大学 | Pin hole type bridge collapse-preventing device |
| CN106968500A (en) * | 2017-04-17 | 2017-07-21 | 苏州科技大学 | A kind of SMA Self-resettings ductility bracing members |
| CN108265846A (en) * | 2018-02-05 | 2018-07-10 | 沈阳建筑大学 | A kind of rectangular aluminium alloy inner core assembled buckling restrained brace |
-
2009
- 2009-10-23 CN CN2009202377242U patent/CN201521039U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535666A (en) * | 2010-12-30 | 2012-07-04 | 陈明中 | Novel support type anti-seismic damper |
| CN102966182A (en) * | 2012-11-01 | 2013-03-13 | 上海蓝科钢结构技术开发有限责任公司 | Concrete member and steel support H-shaped embedded connection joint |
| CN102966182B (en) * | 2012-11-01 | 2016-03-30 | 上海蓝科建筑减震科技股份有限公司 | A kind of concrete component and the pre-buried connected node of bracing members H type |
| CN103696357A (en) * | 2013-12-02 | 2014-04-02 | 北京工业大学 | Pin hole type bridge collapse-preventing device |
| CN103696357B (en) * | 2013-12-02 | 2015-11-25 | 北京工业大学 | Pin-and-hole formula anti-fall girder apparatus |
| CN106968500A (en) * | 2017-04-17 | 2017-07-21 | 苏州科技大学 | A kind of SMA Self-resettings ductility bracing members |
| CN108265846A (en) * | 2018-02-05 | 2018-07-10 | 沈阳建筑大学 | A kind of rectangular aluminium alloy inner core assembled buckling restrained brace |
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Granted publication date: 20100707 |