CN105239674A - Self-resetting steel structure beam-column aseismatic joint based on shape memory alloy ring spring set - Google Patents
Self-resetting steel structure beam-column aseismatic joint based on shape memory alloy ring spring set Download PDFInfo
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- CN105239674A CN105239674A CN201510566016.3A CN201510566016A CN105239674A CN 105239674 A CN105239674 A CN 105239674A CN 201510566016 A CN201510566016 A CN 201510566016A CN 105239674 A CN105239674 A CN 105239674A
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Abstract
The invention discloses a self-resetting steel structure beam-column aseismatic joint based on a shape memory alloy ring spring set. The self-resetting steel structure beam-column aseismatic joint comprises H-shaped steel beam-columns and a joint region used for connecting the H-shaped steel beam-columns, each H-shaped steel beam-column comprises an H-shaped steel beam and an H-shaped steel column, and the beam end of each H-shaped steel beam sticks close to a front flange of the corresponding H-shaped steel column through an end plate, so that the H-shaped steel beams and the H-shaped steel columns are placed in a mutually perpendicular manner. The joint region comprises a first ring spring set, a second ring spring set, a third ring spring set, a fourth ring spring set, a fifth ring spring set, a sixth ring spring set, a seventh ring spring set, an eighth ring spring set, a first high-strength bolt, a second high-strength bolt, a third high-strength bolt, a fourth high-strength bolt, a fifth high-strength bolt, a sixth high-strength bolt, a seventh high-strength bolt, an eighth high-strength bolt, an upper-side end plate reinforcing rib, a lower-side end plate reinforcing rib, the end plate, an upper-side first column reinforcing rib, an upper-side second column reinforcing rib, a lower-side first column reinforcing rib and a lower-side second column reinforcing rib. The self-resetting steel structure beam-column aseismatic joint is simple in form and is stressed reasonably.
Description
Technical field
The invention belongs to Construction Anti-earthquake and cushion technique field, relate to a kind of beam column shock-resistant node, especially can consume energy when shaking, the intelligent beam column shock-resistant node of Self-resetting after shake.
Background technology
Although traditional steel-structure beam-column node strength and ductility is all better, permanent deformation caused after middle shake or macroseism makes repair process extremely loaded down with trivial details.If permanent deformation is excessive what for the possibility losing reparation, thus is forced to remove total.In order to reduce shake posterior nodal point permanent deformation, a kind of up-to-date technology utilizes the super elastic characteristics of marmem bolt to carry out reinforcement Column border node.Super-elasticity, namely when material produces stress-induced martensitic phase transformation by effect of stress under austenitic state, but is out of shape the characteristic that can instantaneously automatically reply after unloading.But marmem bolt is due to its mechanical sensitivity, the breakage problem of its end thread part is avoided to be a great problem hindering its safety applications.Although by increasing the diameter of threaded portion and smooth part than the possibility reducing fracture, can do like this and can make to produce a large amount of material residues in process, causing waste.If bolt slenderness ratio is excessive, the applying of its pretightning force can be made to become very difficult.In addition, marmem bolt is applicable to tension operating mode and is not suitable for cut operating mode, therefore needs extra shearing resistance parts.The plastic strain of under earthquake of these shearing resistance parts itself largely can affect the self-resetting capability of integral node.
Summary of the invention
For overcoming the above-mentioned defect of existing Self-resetting node, the object of this invention is to provide a kind of Self-resetting beam column of steel structure shock-resistant node of Shape-based interpolation memorial alloy cup spring group, this joint form is simple, reasonable stress, avoid the risk of screw rod fracture, and make the applying of cup spring group pretightning force very convenient.
In order to achieve the above object, technical scheme of the present invention is as follows:
A Self-resetting beam column of steel structure shock-resistant node for Shape-based interpolation memorial alloy cup spring group, comprises i iron beam column and is used for connecting the nodes domains of i iron beam column.
Described i iron beam column comprises steel I-beam and steel I-column, and described steel I-beam beam-ends is close to by end plate and the front edge of a wing of steel I-column, thus placement orthogonal with described steel I-column.
Described steel I-beam is divided into steel I-beam top flange, steel I-beam bottom flange and steel I-beam web according to position, inner space, wherein: described steel I-beam top flange is positioned at described steel I-beam web upper end, and mutually vertical with it; Described steel I-beam bottom flange is positioned at described steel I-beam web lower end, and mutually vertical with it.
Described steel I-column is divided into the edge of a wing and steel I-column web after the front edge of a wing of steel I-column, steel I-column according to position, inner space, wherein: the front edge of a wing of described steel I-column is positioned at described steel I-column web front end, and mutually vertical with it; After described steel I-column, the edge of a wing is positioned at described steel I-column web rear end, and mutually vertical with it.
Described nodes domains comprises the first cup spring group, second cup spring group, 3rd cup spring group, 4th cup spring group, five rings spring group, 6th cup spring group, 7th cup spring group, 8th cup spring group, first high-strength bolt, second high-strength bolt, third high strength bolt, 4th high-strength bolt, 5th high-strength bolt, 6th high-strength bolt, 7th high-strength bolt, 8th high-strength bolt, upside endplate stiffener, downside endplate stiffener, end plate, upside the first post stiffening rib, upside the second post stiffening rib, downside the first post stiffening rib and downside second post stiffening rib,
Described first cup spring group and described second cup spring group are positioned at the outside of steel I-beam top flange, and are distributed in the left and right sides of upside endplate stiffener; Described 3rd cup spring group and described 4th cup spring group are positioned at inside steel I-beam top flange, and are distributed in the left and right sides of steel I-beam web; Described five rings spring group and described 6th cup spring group are positioned at the inner side of steel I-beam bottom flange, and are distributed in the left and right sides of steel I-beam web; Described 7th cup spring group and the 8th cup spring group are positioned at the outside of steel I-beam bottom flange, and are distributed in the left and right sides of downside endplate stiffener; The right-angle side of described upside endplate stiffener is welded to connect along end plate and steel I-beam top flange, and the right-angle side of described downside endplate stiffener is welded to connect along end plate and steel I-beam bottom flange;
Described upside first post stiffening rib, described upside second post stiffening rib, described downside first post stiffening rib, described downside second post stiffening rib are positioned at the inner side of steel I-column, three limits of described upside first post stiffening rib, described upside second post stiffening rib, described downside first post stiffening rib, described downside second post stiffening rib respectively with steel I-column after the front edge of a wing and steel I-column the inner side on the edge of a wing and the limit, side three of steel I-column web be welded to connect; Described upside first post stiffening rib, described upside second post stiffening rib are distributed in the left and right sides of steel I-column web, and identical with the height of steel I-beam top flange; Described downside first post stiffening rib, described downside second post stiffening rib are distributed in the left and right sides of steel I-column web, and identical with the height of steel I-beam bottom flange;
Described first high-strength bolt successively through the first cup spring group, end plate, the front edge of a wing of steel I-column the hole reserved, on the steel I-column front edge of a wing, inner side is fixed by nut;
Described second high-strength bolt successively through the second cup spring group, end plate, the front edge of a wing of steel I-column the hole reserved, on the steel I-column front edge of a wing, inner side is fixed by nut;
Described third high strength bolt successively through the 3rd cup spring group, end plate, the front edge of a wing of steel I-column the hole reserved, on the steel I-column front edge of a wing, inner side is fixed by nut;
Described 4th high-strength bolt successively through the 4th cup spring group, end plate, the front edge of a wing of steel I-column the hole reserved, on the steel I-column front edge of a wing, inner side is fixed by nut;
Described 5th high-strength bolt successively through five rings spring group, end plate, the front edge of a wing of steel I-column the hole reserved, on the steel I-column front edge of a wing, inner side is fixed by nut;
Described 6th high-strength bolt successively through the 6th cup spring group, end plate, the front edge of a wing of steel I-column the hole reserved, on the steel I-column front edge of a wing, inner side is fixed by nut;
Described 7th high-strength bolt successively through the 7th cup spring group, end plate, the front edge of a wing of steel I-column the hole reserved, on the steel I-column front edge of a wing, inner side is fixed by nut;
Described 8th high-strength bolt successively through the 8th cup spring group, end plate, the front edge of a wing of steel I-column the hole reserved, on the steel I-column front edge of a wing, inner side is fixed by nut.
Reserved eight holes corresponding with reserving hole on end plate on the front edge of a wing of described steel I-column.
Described first cup spring group, the second cup spring group, the 3rd cup spring group, the 4th cup spring group, five rings spring group, the 6th cup spring group, the 7th cup spring group, the 8th cup spring group include half essence steel inner ring, the first pad and the second pad outside the smart steel inner ring of half outside the first marmem outer shroud, the second marmem outer shroud, smart steel inner ring, first, second; Half essence steel inner ring outside the first pad and first is provided with successively near end plate, outside described first, the surface of described first pad is close in the side of half essence steel inner ring, opposite side button takes the first marmem outer shroud, described first marmem outer shroud opposite side is detained and is taken a smart steel inner ring, described smart steel inner ring opposite side is detained and is taken the second marmem outer shroud, described second marmem outer shroud opposite side detain again and take second outside half essence steel inner ring, outside described second, the opposite side of half essence steel inner ring is close to the second pad near screw rod edge; All inside and outside latch closures take be all by outer shroud inside chamfer and chamfer outside inner ring contact with each other and extrude to realize.
Owing to adopting technique scheme, the present invention has the following advantages and beneficial effect:
The present invention utilizes end plate node type, structure simplify, easy for installation, work progress is similar to conventional node, intervenes very little with the space of other structures.
Distortion is concentrated on nodes domains by the present invention, makes beam column remain on elastic stage, farthest can avoid permanent set, repair after minimizing calamity.
Cup spring group provided by the invention is a kind of system without rupture failure risk, and possesses overload protection characteristics, after cup spring group is compressed completely due to inner and outer ring contact with each other restriction and cannot continue produce distortion.
Cup spring group provided by the invention provides drag by pressurized, and therefore without the need to using special stretch-draw anchor measure, the pretightning force of cup spring group can regulate by applying different high-strength bolt pretightning force.
Due to the large deformation ability of shape memory alloy material in the present invention, can provide very large deformation space in limited outer shroud number of rings, the node therefore based on this design proposition is comparatively economical succinct.
The present invention adopts the mechanism of high-strength bolt pressure-bearing shearing resistance fit shapes memorial alloy cup spring protectiveness component, the shear behavior that can farthest keep high-strength bolt intact, thus ensures the firm of earthquake interior joint beam-to-column joint under gravity.
In the present invention, cup spring group is as the key device of whole node; its Main Function is: provide moment of flexure resistance; Self-resetting driving force is provided by austenite super elastic characteristics; there is provided a kind of mixed energy dissipation mechanisms by the hysteresis ability of shape memory alloy material self and the friction of marmem outer shroud and smart steel inner ring, protection high-strength bolt can not be broken in node large deformation situation.
Accompanying drawing explanation
Fig. 1 is the side diagram of the Self-resetting beam column of steel structure shock-resistant node of the Shape-based interpolation memorial alloy cup spring group of the embodiment of the present invention.
Fig. 2 is the cut-away view of the node shown in Fig. 1 along A-A line.
Fig. 3 is the cut-away view of the node shown in Fig. 1 along B-B line.
Fig. 4 is that cup spring group coordinates schematic diagram with high-strength bolt.
Fig. 5 is the distortion schematic diagram after the compression of cup spring group.
In figure: 1 is steel I-beam; 1001 is steel I-beam top flange; 1002 is steel I-beam bottom flange; 1003 is steel I-beam web; 2 is steel I-column; 2001 is the front edge of a wing of steel I-column; 2002 is the edge of a wing after steel I-column; 2003 is steel I-column web; 31 is the first cup spring group; 32 is the second cup spring group; 33 is the 3rd cup spring group; 34 is the 4th cup spring group; 35 is five rings spring group; 36 is the 6th cup spring group; 37 is the 7th cup spring group; 38 is the 8th cup spring group; 41 is the first high-strength bolt; 42 is the second high-strength bolt; 43 is third high strength bolt; 44 is the 4th high-strength bolt; 45 is the 5th high-strength bolt; 46 is the 6th high-strength bolt; 47 is the 7th high-strength bolt; 48 is the 8th high-strength bolt; 51 is upside endplate stiffener; 52 is downside endplate stiffener; 6 is end plate; 71 is upside first post stiffening rib; 72 is upside second post stiffening rib; 73 is downside first post stiffening rib; 74 is downside second post stiffening rib; 81 is the first marmem outer shroud; 82 is the second marmem outer shroud; 9 is smart steel inner ring; 101 is half essence steel inner ring outside first; 102 is half essence steel inner ring outside second; 131 is the first pad; 132 is the second pad.
Detailed description of the invention
Below in conjunction with accompanying drawing illustrated embodiment, the invention will be further described.
Embodiment 1
A Self-resetting beam column of steel structure shock-resistant node for Shape-based interpolation memorial alloy cup spring group, comprises i iron beam column and is used for connecting the nodes domains of i iron beam column.As shown in Figure 1, Fig. 1 is the side diagram of the Self-resetting beam column of steel structure shock-resistant node of the Shape-based interpolation memorial alloy cup spring group of the embodiment of the present invention.
I iron beam column comprises steel I-beam 1 and steel I-column 2, and steel I-beam 1 beam-ends is close to by end plate 6 and the front edge of a wing 2001 of steel I-column, thus placement orthogonal with steel I-column 2.Steel I-beam 1 is divided into steel I-beam top flange 1001, steel I-beam bottom flange 1002 and steel I-beam web 1003 according to position, inner space, wherein: described steel I-beam top flange 1001 is positioned at described steel I-beam web 1003 upper end, and mutually vertical with it; Described steel I-beam bottom flange 1002 is positioned at described steel I-beam web 1003 lower end, and mutually vertical with it.Steel I-column 2 is divided into the edge of a wing 2002 and steel I-column web 2003 after the front edge of a wing 2001 of steel I-column, steel I-column according to position, inner space, wherein: the front edge of a wing of described steel I-column 2001 is positioned at described steel I-column web 2003 front end, and mutually vertical with it; After described steel I-column, the edge of a wing 2002 is positioned at described steel I-column web 2003 rear end, and mutually vertical with it.
As shown in Figure 2, Fig. 2 is the cut-away view of the node shown in Fig. 1 along A-A line.Nodes domains comprises the first cup spring group 31, second cup spring group 32, 3rd cup spring group 33, 4th cup spring group 34, five rings spring group 35, 6th cup spring group 36, 7th cup spring group 37, 8th cup spring group 38, first high-strength bolt 41, second high-strength bolt 42, third high strength bolt 43, 4th high-strength bolt 44, 5th high-strength bolt 45, 6th high-strength bolt 46, 7th high-strength bolt 47, 8th high-strength bolt 48, upside endplate stiffener 51, downside endplate stiffener 52, end plate 6, upside the first post stiffening rib 71, upside the second post stiffening rib 72, downside the first post stiffening rib 73 and downside second post stiffening rib 74, described first cup spring group 31 and described second cup spring group 32 are positioned at the outside of steel I-beam top flange 1001, and are distributed in the left and right sides of upside endplate stiffener 51, described 3rd cup spring group 33 is positioned at inside steel I-beam top flange 1001 with described 4th cup spring group 34, and is distributed in the left and right sides of steel I-beam web 1003, described five rings spring group 35 and described 6th cup spring group 36 are positioned at the inner side of steel I-beam bottom flange 1002, and are distributed in the left and right sides of steel I-beam web 1003, described 7th cup spring group 37 and the 8th cup spring group 38 are positioned at the outside of steel I-beam bottom flange 1002, and are distributed in the left and right sides of downside endplate stiffener 52, the right-angle side of described upside endplate stiffener 51 is welded to connect along end plate 6 and steel I-beam top flange 1001, and the right-angle side of described downside endplate stiffener 52 is welded to connect along end plate 6 and steel I-beam bottom flange 1002, described first high-strength bolt 41 successively through the first cup spring group 31, end plate 6, the front edge of a wing 2001 of steel I-column the hole reserved, on the steel I-column front edge of a wing 2001, inner side is fixed by nut, described second high-strength bolt 42 successively through the second cup spring group 32, end plate 6, the front edge of a wing 2001 of steel I-column the hole reserved, on the steel I-column front edge of a wing 2001, inner side is fixed by nut, described third high strength bolt 43 successively through the 3rd cup spring group 33, end plate 6, the front edge of a wing 2001 of steel I-column the hole reserved, on the steel I-column front edge of a wing 2001, inner side is fixed by nut, described 4th high-strength bolt 44 successively through the 4th cup spring group 34, end plate 6, the front edge of a wing 2001 of steel I-column the hole reserved, on the steel I-column front edge of a wing 2001, inner side is fixed by nut, described 5th high-strength bolt 45 successively through five rings spring group 35, end plate 6, the front edge of a wing 2001 of steel I-column the hole reserved, on the steel I-column front edge of a wing 2001, inner side is fixed by nut, described 6th high-strength bolt 46 successively through the 6th cup spring group 36, end plate 6, the front edge of a wing 2001 of steel I-column the hole reserved, on the steel I-column front edge of a wing 2001, inner side is fixed by nut, described 7th high-strength bolt 47 successively through the 7th cup spring group 37, end plate 6, the front edge of a wing 2001 of steel I-column the hole reserved, on the steel I-column front edge of a wing 2001, inner side is fixed by nut, described 8th high-strength bolt 48 successively through the 8th cup spring group 38, end plate 6, the front edge of a wing 2001 of steel I-column the hole reserved, on the steel I-column front edge of a wing 2001, inner side is fixed by nut.Reserved eight holes corresponding with reserving hole on end plate 6 on the front edge of a wing of steel I-column 2001.
As shown in Figure 3, Fig. 3 is the cut-away view of the node shown in Fig. 1 along B-B line.Described upside first post stiffening rib 71, described upside second post stiffening rib 72, described downside first post stiffening rib 73, described downside second post stiffening rib 74 are positioned at the inner side of steel I-column 2, three limits of described upside first post stiffening rib 71, described upside second post stiffening rib 72, described downside first post stiffening rib 73, described downside second post stiffening rib 74 respectively with steel I-column after the front edge of a wing 2001 and steel I-column the inner side on the edge of a wing 2002 and the limit, side three of steel I-column web 2003 be welded to connect; Described upside first post stiffening rib 71, described upside second post stiffening rib 72 are distributed in the left and right sides of steel I-column web 2003, and identical with the height of steel I-beam top flange 1001; Described downside first post stiffening rib 73, described downside second post stiffening rib 74 are distributed in the left and right sides of steel I-column web 2003, and identical with the height of steel I-beam bottom flange 1002.
As shown in Figure 4, Fig. 4 is that cup spring group coordinates schematic diagram with high-strength bolt.First cup spring group 31, second cup spring group 32, the 3rd cup spring group 33, the 4th cup spring group 34, five rings spring group the 35, the 6th cup spring group 36, the 7th cup spring group 37, the 8th cup spring group 38 include half essence steel inner ring 102, first pad 131 and the second pad 132 outside the smart steel inner ring 101, second of half outside the first marmem outer shroud 81, second marmem outer shroud 82, smart steel inner ring 9, first, half essence steel inner ring 101 outside the first pad 131 and first is provided with successively near end plate 6, outside described first, the surface of described first pad 131 is close in the side of half essence steel inner ring 101, opposite side button takes the first marmem outer shroud 81, described first marmem outer shroud 81 opposite side is detained and is taken a smart steel inner ring 9, described smart steel inner ring 9 opposite side is detained and is taken the second marmem outer shroud 82, described second marmem outer shroud 82 opposite side detain again and take second outside half essence steel inner ring 102, outside described second, the opposite side of half essence steel inner ring 102 is close to the second pad 132 near screw rod edge, all inside and outside latch closures take be all by outer shroud inside chamfer and chamfer outside inner ring contact with each other and extrude to realize.
First the basic building block of node comprises steel I-beam 1 and the steel I-column 2 of vertical placement mutually.After steel I-beam 1 welding edges end plate 6 with upside endplate stiffener 51, downside endplate stiffener 52, by whole girder steel parts lifting to the tram contacted with steel I-column 2, ensure that end plate 6 is consistent with the default bolt hole location on the front edge of a wing of steel I-column 2001.As shown in Figure 3, upside the first post stiffening rib 71, upside second post stiffening rib 72, downside first post stiffening rib 73 and downside second post stiffening rib 74 are set between the edge of a wing 2002 after the front edge of a wing 2001 of steel I-column, steel I-column to increase steel I-column 2 in the bending rigidity of nodes domains and intensity.First high-strength bolt 41, second high-strength bolt 42, third high strength bolt 43, the 4th high-strength bolt 44, the 5th high-strength bolt 45, the 6th high-strength bolt 46, the 7th high-strength bolt 47, the 8th high-strength bolt 48 are each passed through the first cup spring group 31, second cup spring group 32, the 3rd cup spring group 33, the 4th cup spring group 34, five rings spring group the 35, the 6th cup spring group 36, the 7th cup spring group 37, the 8th cup spring group 38, preset after screw and the front edge of a wing 2001 of steel I-column preset hole through end plate 6 again, fastening nut.Wherein, in the first cup spring group 31, second cup spring group 32, the 3rd cup spring group 33, the 4th cup spring group 34, five rings spring group the 35, the 6th cup spring group 36, the 7th cup spring group 37, the 8th cup spring group 38, each cup spring group comprises half essence steel inner ring 102, first pad 131 and the second pad 132 outside the smart steel inner ring 101, second of half outside the first marmem outer shroud 81, second marmem outer shroud 82, smart steel inner ring 9, first.By spanner to nut apply moment of torsion reach the first cup spring group 31, second cup spring group 32, the 3rd cup spring group 33, the 4th cup spring group 34, five rings spring group the 35, the 6th cup spring group 36, the 7th cup spring group 37, the 8th cup spring group 38 and the first high-strength bolt 41, second high-strength bolt 42, third high strength bolt 43, the 4th high-strength bolt 44, the 5th high-strength bolt 45, the 6th high-strength bolt 46, the 7th high-strength bolt 47, the 8th high-strength bolt 48 pretightning force apply effect.In the applying process of pretightning force, each cup spring group pressurized gradually, make the first marmem outer shroud 81, second marmem outer shroud 82 produce trace to expand, the moment of torsion that its Zernike annular polynomial produced applies to resist spanner, this resistance is equal with the pretightning force produced high-strength bolt.Each cup spring group both sides to adopt outside first half essence steel inner ring 102 outside half essence steel inner ring 101, second in case with the contacting with each other of the first pad 131 and the second pad 132.The main purpose of the first pad 131 and the second pad 132 is used to be play contiguity constraint effect to half essence steel inner ring 102 outside half essence steel inner ring 101, second outside first in each cup spring group.Exceed the part of steel I-beam top flange 1001, steel I-beam bottom flange 1002 at end plate about 6 two ends, adopt upside endplate stiffener 51, downside endplate stiffener 52 to increase the bending rigidity of end plate 6 respectively.Every sheet endplate stiffener to be arranged between right angle that end plate 6 and the steel I-beam edge of a wing formed and by being connected along the welding of this both sides, right angle length of side.First cup spring group 31, second cup spring group 32 in the present embodiment, the 3rd cup spring group 33, the 4th cup spring group 34, five rings spring group the 35, the 6th cup spring group 36, the 7th cup spring group 37, the 8th cup spring group 38 to adopt in 3 the button outside 2 to take combination, can reach different purposes of design in practical engineering application by adjustment inner and outer ring quantity.
In the case of seismic events, whole node causes producing mutual corner between the front edge of a wing of steel I-column 2001 and end plate 6 and is out of shape under being subject to the effect of reciprocal moment load, at this moment the first installed cup spring group 31, second cup spring group 32, the 3rd cup spring group 33, the 4th cup spring group 34, five rings spring group the 35, the 6th cup spring group 36, the 7th cup spring group 37, the 8th cup spring group 38 can absorb most column joints deformation, the primary structural member such as steel I-beam 1, steel I-column 2 and end plate 6 are made to keep elastic stage, thus the object without the need to repairing after reaching shake.The use of upside the first post stiffening rib 71, upside second post stiffening rib 72, downside first post stiffening rib 73 and downside second post stiffening rib 74 can increase steel I-column 2 further in the bending rigidity of nodes domains and intensity.As shown in Figure 5, Fig. 5 is the distortion schematic diagram after the compression of cup spring group.The first cup spring group 31, second cup spring group 32, the 3rd cup spring group 33, the 4th cup spring group 34, five rings spring group the 35, the 6th cup spring group 36, the 7th cup spring group 37, the 8th cup spring group 38 absorb node distortion and in the process of pressurized, first marmem outer shroud 81, second marmem outer shroud 82 expands due to the corner cut effect between inner and outer ring, simultaneously outside smart steel inner ring 9 or the first, outside half essence steel inner ring 101, second, half essence steel inner ring 102 can produce slight inside contracting, and thisly act as whole node and provides moment of flexure resistance.After earthquake terminates, the expand distortion that produces of the first marmem outer shroud 81, second marmem outer shroud 82 will recover automatically due to its super elastic characteristics, thus make whole node reverts back to original state.The process repeatedly expanding and reply that first marmem outer shroud 81, second marmem outer shroud 82 produces under geological process by the hysteretic characteristic earthquake energy of material self, simultaneously because the phase mutual friction of half essence steel inner ring 102 contact surface outside half essence steel inner ring 101, second outside the first marmem outer shroud 81, second marmem outer shroud 82 and smart steel inner ring 9 or the first can earthquake energy further.When specific design first cup spring group 31, second cup spring group 32, the 3rd cup spring group 33, the 4th cup spring group 34, five rings spring group the 35, the 6th cup spring group 36, the 7th cup spring group 37, the 8th cup spring group 38, the rigidity of different cup spring groups, intensity, maximum deformation quantity and energy dissipation capacity can be obtained by corner cut, contact surface friction factor and the outer shroud wall thickness between adjustment inner and outer ring, wherein can by applying different lubrication oil models at inner and outer ring contact surface or taking different surface flatness process conveniently to regulate by fricative power consumption.
In addition, when node is subject to reciprocal transformation, first cup spring group 31, second cup spring group 32, 3rd cup spring group 33, 4th cup spring group 34, five rings spring group 35, 6th cup spring group 36, 7th cup spring group 37, 8th cup spring group 38 can by effectively absorbing distortion to the first high-strength bolt 41, second high-strength bolt 42, third high strength bolt 43, 4th high-strength bolt 44, 5th high-strength bolt 45, 6th high-strength bolt 46, 7th high-strength bolt 47, 8th high-strength bolt 48 plays a protective role, avoid the first high-strength bolt 41, second high-strength bolt 42, third high strength bolt 43, 4th high-strength bolt 44, 5th high-strength bolt 45, 6th high-strength bolt 46, 7th high-strength bolt 47, being broken of 8th high-strength bolt 48, ensure the first high-strength bolt 41, second high-strength bolt 42, third high strength bolt 43, 4th high-strength bolt 44, 5th high-strength bolt 45, 6th high-strength bolt 46, 7th high-strength bolt 47, 8th high-strength bolt 48 has and enough holds the ability of cutting.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (10)
1. a Self-resetting beam column of steel structure shock-resistant node for Shape-based interpolation memorial alloy cup spring group, is characterized in that: comprise i iron beam column and be used for connecting the nodes domains of i iron beam column.
2. the Self-resetting beam column of steel structure shock-resistant node of Shape-based interpolation memorial alloy cup spring group according to claim 1, it is characterized in that: described i iron beam column comprises steel I-beam (1) and steel I-column (2), described steel I-beam (1) beam-ends is close to by end plate (6) and the front edge of a wing of steel I-column (2001), thus with described steel I-column (2) orthogonal placement.
3. the Self-resetting beam column of steel structure shock-resistant node of Shape-based interpolation memorial alloy cup spring group according to claim 2, it is characterized in that: described steel I-beam (1) is divided into steel I-beam top flange (1001), steel I-beam bottom flange (1002) and steel I-beam web (1003) according to position, inner space, wherein: described steel I-beam top flange (1001) is positioned at described steel I-beam web (1003) upper end, and mutually vertical with it; Described steel I-beam bottom flange (1002) is positioned at described steel I-beam web (1003) lower end, and mutually vertical with it.
4. the Self-resetting beam column of steel structure shock-resistant node of Shape-based interpolation memorial alloy cup spring group according to claim 2, it is characterized in that: described steel I-column (2) is divided into the edge of a wing (2002) and steel I-column web (2003) after the front edge of a wing of steel I-column (2001), steel I-column according to position, inner space, wherein: the front edge of a wing of described steel I-column (2001) is positioned at described steel I-column web (2003) front end, and mutually vertical with it; After described steel I-column, the edge of a wing (2002) are positioned at described steel I-column web (2003) rear end, and mutually vertical with it.
5. the Self-resetting beam column of steel structure shock-resistant node of Shape-based interpolation memorial alloy cup spring group according to claim 1, it is characterized in that: described nodes domains comprises the first cup spring group (31), second cup spring group (32), 3rd cup spring group (33), 4th cup spring group (34), five rings spring group (35), 6th cup spring group (36), 7th cup spring group (37), 8th cup spring group (38), first high-strength bolt (41), second high-strength bolt (42), third high strength bolt (43), 4th high-strength bolt (44), 5th high-strength bolt (45), 6th high-strength bolt (46), 7th high-strength bolt (47), 8th high-strength bolt (48), upside endplate stiffener (51), downside endplate stiffener (52), end plate (6), upside the first post stiffening rib (71), upside the second post stiffening rib (72), downside the first post stiffening rib (73) and downside second post stiffening rib (74).
6. the Self-resetting beam column of steel structure shock-resistant node of Shape-based interpolation memorial alloy cup spring group according to claim 5, it is characterized in that: described first cup spring group (31) and described second cup spring group (32) are positioned at the outside of steel I-beam top flange (1001), and be distributed in the left and right sides of upside endplate stiffener (51); Described 3rd cup spring group (33) and described 4th cup spring group (34) are positioned at inner side, steel I-beam top flange (1001), and are distributed in the left and right sides of steel I-beam web (1003); Described five rings spring group (35) and described 6th cup spring group (36) are positioned at the inner side of steel I-beam bottom flange (1002), and are distributed in the left and right sides of steel I-beam web (1003); Described 7th cup spring group (37) and the 8th cup spring group (38) are positioned at the outside of steel I-beam bottom flange (1002), and are distributed in the left and right sides of downside endplate stiffener (52); The right-angle side of described upside endplate stiffener (51) is welded to connect along end plate (6) and steel I-beam top flange (1001), and the right-angle side of described downside endplate stiffener (52) is welded to connect along end plate (6) and steel I-beam bottom flange (1002);
Or, described upside first post stiffening rib (71), described upside second post stiffening rib (72), described downside first post stiffening rib (73), described downside second post stiffening rib (74) is positioned at the inner side of steel I-column (2), described upside first post stiffening rib (71), described upside second post stiffening rib (72), described downside first post stiffening rib (73), three limits of described downside second post stiffening rib (74) respectively with steel I-column after the front edge of a wing (2001) and steel I-column the inner side on the edge of a wing (2002) and the limit, side three of steel I-column web (2003) be welded to connect, described upside first post stiffening rib (71), described upside second post stiffening rib (72) are distributed in the left and right sides of steel I-column web (2003), and identical with the height of steel I-beam top flange (1001), described downside first post stiffening rib (73), described downside second post stiffening rib (74) are distributed in the left and right sides of steel I-column web (2003), and identical with the height of steel I-beam bottom flange (1002).
7. the Self-resetting beam column of steel structure shock-resistant node of Shape-based interpolation memorial alloy cup spring group according to claim 5, it is characterized in that: described first high-strength bolt (41) successively through the first cup spring group (31), end plate (6), the front edge of a wing of steel I-column (2001) the hole reserved, fixed by nut at the front edge of a wing of steel I-column (2001) inner side;
Or, described second high-strength bolt (42) successively through the second cup spring group (32), end plate (6), the front edge of a wing of steel I-column (2001) the hole reserved, fixed by nut at the front edge of a wing of steel I-column (2001) inner side;
Or, described third high strength bolt (43) successively through the 3rd cup spring group (33), end plate (6), the front edge of a wing of steel I-column (2001) the hole reserved, fixed by nut at the front edge of a wing of steel I-column (2001) inner side;
Or, described 4th high-strength bolt (44) successively through the 4th cup spring group (34), end plate (6), the front edge of a wing of steel I-column (2001) the hole reserved, fixed by nut at the front edge of a wing of steel I-column (2001) inner side;
Or, described 5th high-strength bolt (45) successively through five rings spring group (35), end plate (6), the front edge of a wing of steel I-column (2001) the hole reserved, fixed by nut at the front edge of a wing of steel I-column (2001) inner side;
Or, described 6th high-strength bolt (46) successively through the 6th cup spring group (36), end plate (6), the front edge of a wing of steel I-column (2001) the hole reserved, fixed by nut at the front edge of a wing of steel I-column (2001) inner side;
Or, described 7th high-strength bolt (47) successively through the 7th cup spring group (37), end plate (6), the front edge of a wing of steel I-column (2001) the hole reserved, fixed by nut at the front edge of a wing of steel I-column (2001) inner side;
Or, described 8th high-strength bolt (48) successively through the 8th cup spring group (38), end plate (6), the front edge of a wing of steel I-column (2001) the hole reserved, fixed by nut at the front edge of a wing of steel I-column (2001) inner side.
8. the Self-resetting beam column of steel structure shock-resistant node of Shape-based interpolation memorial alloy cup spring group according to claim 2, is characterized in that: upper reserved eight holes corresponding with the upper reserving hole of end plate (6) in the front edge of a wing of described steel I-column (2001).
9. the Self-resetting beam column of steel structure shock-resistant node of Shape-based interpolation memorial alloy cup spring group according to claim 5, it is characterized in that: described first cup spring group (31), second cup spring group (32), 3rd cup spring group (33), 4th cup spring group (34), five rings spring group (35), 6th cup spring group (36), 7th cup spring group (37), 8th cup spring group (38) includes the first marmem outer shroud (81), second marmem outer shroud (82), essence steel inner ring (9), half essence steel inner ring (101) outside first, half essence steel inner ring (102) outside second, first pad (131) and the second pad (132), half essence steel inner ring (101) outside the first pad (131) and first is provided with successively near end plate (6), outside described first, the surface of described first pad (131) is close in the side of half essence steel inner ring (101), opposite side button takes the first marmem outer shroud (81), described first marmem outer shroud (81) opposite side is detained and is taken a smart steel inner ring (9), described smart steel inner ring (9) opposite side is detained and is taken the second marmem outer shroud (82), described second marmem outer shroud (82) opposite side detain again and take second outside half essence steel inner ring (102), outside described second, the opposite side of half essence steel inner ring (102) is close to the second pad (132) near screw rod edge.
10. the Self-resetting beam column of steel structure shock-resistant node of Shape-based interpolation memorial alloy cup spring group according to claim 9, is characterized in that: all inside and outside latch closures take be all by outer shroud inside chamfer and chamfer outside inner ring contact with each other and extrude to realize.
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