CN103243836A - Steel plate-steel support combined lateral force resisting member and beam column structure applying same - Google Patents
Steel plate-steel support combined lateral force resisting member and beam column structure applying same Download PDFInfo
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Abstract
The invention discloses a steel plate-steel support combined lateral force resisting member and a beam column structure applying the same and belongs to the technical field of lateral force resisting members in structural engineering. The steel plate-steel support combined lateral force resisting member comprises a steel plate, a steel support integrally connected with the steel plate, wherein the steel plate is in a shape like a Chinese character 'tu', the steel support comprises two portions respectively arranged on two sides of the steel plate, bolt holes are arranged on the steel support at intervals, bolt holes are also arranged at corresponding positions of the steel plate, the two portions of the steel support are respectively connected with the steel plates through high-strength bolts, the steel support is arranged in a V-shaped mode and used for providing a part of axial tension resisting and compression resisting capacity of the lateral force resisting member. The main purpose is that the steel support is utilized to constrain deformation outside a plane of the steel plate so as to avoid 'pinch' effect of a hysteretic curve, a pulling force field of the steel plate is utilized to constrain a phenomenon that an extreme point of the compressed steel support in a structural plane is often unstable, and accordingly the lateral force resisting member with excellent anti-seismic property is obtained.
Description
Technical field
The present invention relates to a kind of lateral resistant member and use the post and beam structure of this member, more particularly, relate to a kind of steel plate-steel support combinations lateral resistant member and use the post and beam structure of this member.
Background technology
Earthquake is the natural enemy of building maximum, is grave danger of human survival.Dual seismic system in the steel work often adopts steel plate shear force wall or steel to support as the first road anti-vibration defense lines, resists the horizontal force of little shake, middle shake.Under big shake effect, steel plate shear force wall or steel support one side by the flexing of self and surrender the effect that consumes seismic energy, plays " fuse ", and the safety of the steel frame of gravity load is born in protection; One side is because the degeneration of self rigidity reduces earthquake response; make as the steel frame of the second road anti-vibration defense lines and can resist the geological process that has reduced; thereby guarantee that agent structure do not collapsing under big shake effect, the safety of protection lives and properties is suitable as the form of structure of earthquake zone highrise building.
But thin steel plate shear wall commonly used, because rigidity is very little outside its steel plate plane, at little horizontal loads lower steel plate shear buckling will take place, need utilize the diagonally opposing corner pulling force field that forms after the steel plate flexing to resist horizontal force (the pulling force field is by carrying out anchoring with being connected of framework).Because steel sheet can not pressurized, thereby steel plate is obviously reduced in tensile stress-compressive stress transformation stage supporting capacity, " pinching " phenomenon that the hysteresis loop under the reciprocating load occurs, this makes the plasticity hysteretic energy ability of steel be not fully utilized, and has influenced the further raising of anti-seismic performance.And steel plate is under horizontal reciprocating load, and flexing direction and pulling force field, diagonal angle constantly alternately change, and can send loud, similar noise of beating a drum, and this normal use to structure has produced very important negative effect.
Center support lateral resisting system commonly used, because being supported on when being subjected to big load, pressurized can lose most of supporting capacity because of unstability, thereby make the ductility of structure reduce greatly, hysteresis loop under the reciprocating load is full inadequately, the malformation ability, energy dissipation capacity a little less than, and support steel framed structure under the bigger situation of horizontal loading, (V-arrangement for example when knighthead intersects at Vierendeel girder, herringbone supports), can occur that pressurized supports because the unstability supporting capacity reduces the situation of the vertical force component that can't the balance tension supports greatly, " Anti-quake Architectural Structure Design standard " GB50017-2010 regulation needs designing enough powerfully with supporting the Vierendeel girder that links to each other at this moment, and this makes beam section obviously increase; Simultaneously design aspect must be strengthened the post that Vierendeel girder therewith links to each other again according to " strong column and weak beam " principle of GB50017-2010 regulation, so not only the steel using amount of structure increases greatly, and obviously increase of the rigidity of structure, thereby cause bigger earthquake response.
Through patent retrieval, the China Patent No. application number: 200810240517.2, open day be: on June 17th, 2009, invention and created name is: steel truss-steel plate combined shear wall and preparation method thereof.This application case discloses a kind of shear wall, be particularly related to steel truss-steel plate combined shear wall and preparation method thereof, comprise the frame beam, and the frame columns of frame beam consolidation and be arranged in steel plate between frame beam and the frame columns, the frame beam comprises section steel beam and is cast in the outer concrete formation shaped steel-concrete combination beam of section steel beam, the profile steel concrete column of frame columns for being constituted by the shaped steel concrete outer with being cast in shaped steel, section steel beam in shaped steel in the profile steel concrete column and steel plate and the frame beam is connected, oblique fixed shaped steel bearing diagonal on the steel plate plane, the shaped steel bearing diagonal can be herringbone, X-shaped or splayed are arranged.Section steel beam, profile steel concrete column, shaped steel bearing diagonal and steel plate combination form steel truss-armor Plate.The shear wall of this application case is bigger than the initial stiffness of existing shear wall, supporting capacity is high, but its weak point is: this application case be supported on steel plate one side setting, be asymmetric to the girder steel longitudinal axis, thereby when support is stressed, girder steel will be subjected to tangible twisting action owing to the off-centre that supports the girder steel longitudinal axis; Again because the anti-torsion ability of i shaped cross section beam is very weak, so beam may to the eccentric torsional interaction that produces of girder steel serious torsional deflection or unstable phenomenon take place owing to supporting.
China Patent No. application number and for example: 200910090731.9, open day be: on March 17th, 2010, invention and created name is: the flexing inhibition type shear wall that put more energy into shaped steel and embedded steel plate can slide.This application case discloses the flexing inhibition type shear wall that a kind of put more energy into shaped steel and embedded steel plate can slide, and shear wall is made up of embedded steel plate, formed steel reinforcing rib, splice bar and edge member; Embedded steel plate adopts the steel sheet of high ductility steel rolling; Edge member is made up of edge posts and edge girder; That formed steel reinforcing rib adopts is I-shaped, the shaped steel of box-shaped, C shape, L shaped, crimping hat or other section form; Embedded steel plate is opened quadrant arc breach at Si Jiaochu; Embedded steel plate is connected by splice bar with edge member; Be connected by the high-strength bolt that penetrates both between embedded steel plate and the formed steel reinforcing rib.This application case provides, and put more energy into flexing inhibition type shear wall that shaped steel and embedded steel plate can slide can be used as the novel lateral resistant member of high-rise building steel structure or other structure, but its weak point is: the shaped steel in this application case only plays tectonism, be used for suppressing the flexing of embedded steel plate, shaped steel itself is not lateral resistant member, and its mechanical property can not be fully used.
Summary of the invention
1. invent the technical problem that will solve
The objective of the invention is to overcome that shear buckling takes place thin steel plate shear wall easily in the prior art, center support lateral resisting system commonly used, lose most of supporting capacity because of unstability easily, reduce ductility greatly, malformation ability, the more weak deficiency of energy dissipation capacity, a kind of steel plate-steel support combinations lateral resistant member is provided and uses the post and beam structure of this member, adopt technical scheme provided by the invention, thereby avoid hysteresis loop " to pinch " by the deformity out of plane that steel supports the constraint steel plate; Pulling force field constraint by steel plate simultaneously is subjected to compressed steel to be supported on the normal extreme point unstable phenomenon that takes place in the structural plan, thereby obtains the outstanding combination lateral resistant member of a kind of anti-seismic performance, and the energy dissipation ability significantly improves.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
A kind of steel plate of the present invention-steel support combinations lateral resistant member, comprise steel plate, the steel that links into an integrated entity with steel plate supports, being shaped as of described steel plate excised the rectangle with two angles on one side, cut-out be shaped as square, described steel supports and comprises two parts symmetrical, and place the both sides of steel plate respectively, the cross sectional shape that this steel dimerous supports is rectangle or circle, described steel supports goes up equidistant 10～20 bolts hole that offer, the distance of described bolt hole and steel supporting base end portion is 150～200mm, also offer 10～20 bolts hole on the position of described steel plate correspondence, two parts that described steel supports pass through high-strength bolt with steel plate respectively, nut connects, described high-strength bolt and nut junction are provided with the high strength pad, described steel supports with the mode of steel plate contact position by welding and is connected, steel supports V-shaped layout, the axis that described steel supports and the foursquare diagonal of described excision coincide, the end end face that described steel supports is concordant with one side of steel plate, the other end is positioned at the square area of excision, and this end is provided with open slot perpendicular to the direction of steel plate, and described steel supports the axial tension of a part that is used for providing lateral resistant member, anti-pressure ability.
Further, the big footpath of described high-strength bolt, nut is 12mm or 14mm, and described high-strength bolt spacing is 200～300mm.
Further, two parts of described steel support are the rectangle and trapezium channel section steel that is made into by cold working or the semi-circular cross-section steel that obtains by the subdivision pipe.
Further, the material of described steel plate and steel support is Q235 or Q345.
A kind of post and beam structure of using above-mentioned lateral resistant member of the present invention, comprise above-mentioned steel plate-steel support combinations lateral resistant member, also comprise splice bar, gusset plate, the gusset plate stiffening rib, beam and column, the thickness of described splice bar is 2～3 times of steel plate thickness, one face down bonding of described splice bar is connected on the edge of a wing of beam and column, the steel plate welding of opposite side and lateral resistant member, the foursquare equal and opposite in direction that excises on the size of described gusset plate and the steel plate, described gusset plate is identical with the thickness of gusset plate stiffening rib, two right-angle sides of described gusset plate are welded in beam, on the edge of a wing at post angle of cut place, described gusset plate stiffening rib vertical welding is connected to the both sides of gusset plate, form " ten " shaped sections, described gusset plate is connected with the end that the gusset plate stiffening rib is used for supporting with the steel of lateral resistant member, and the other end that steel supports welds mutually with the edge of a wing on the beam.
Further, the described fillet weld that is welded as is welded.
Further, all excise an angle on described gusset plate, the gusset plate stiffening rib, this corner cut is of a size of 20～40mm.
3. beneficial effect
Adopt technical scheme provided by the invention, compare with existing known technology, have following remarkable result:
(1) a kind of steel plate of the present invention-steel support combinations lateral resistant member, steel supports and comprises two parts symmetrical, and place the both sides of steel plate respectively, the cross sectional shape that this steel dimerous supports is rectangle or circle, two parts that steel supports are connected by high-strength bolt, nut with steel plate respectively, the outer rigidity in the plane that utilizes on the one hand steel to support retrains the plane outer displacement of steel plate, make steel-sheet plasticity hysteretic energy ability significantly improve, reduced the concussion effect that the conversion of pulling force field produces, eliminated or obviously reduced the variable load noise; On the other hand, the pulling force field of steel plate has stoped steel to be supported on the extreme point unstable phenomenon that takes place in the structural plan, the supporting capacity and the energy dissipation capacity that supported by compressed steel be not fully exerted, and adds the energy dissipation capacity that steel plate has been enhanced, and makes this lateral resistant member possess outstanding anti-seismic performance;
(2) a kind of steel plate of the present invention-steel support combinations lateral resistant member, being shaped as of steel plate excised the rectangle with two angles on one side, cut-out be shaped as square, the axis that steel supports and the foursquare diagonal of excision coincide, can offset with the vertical component of tension steel support axial force to the power vertical component by the compressed steel back shaft, crossbeam needn't be because of vertical out-of-balance force increasing section so link to each other, and frame beam column also need not to amplify, and has effectively reduced steel using amount;
(3) a kind of steel plate of the present invention-steel support combinations lateral resistant member, its steel supports the structure member that can be used as steel plate shear force wall on the one hand, prevent that it from unstability outside the plane taking place, steel support itself is exactly the part of lateral resisting system on the one hand, and its mechanical property can be fully used;
(4) a kind of steel plate of the present invention-steel support combinations lateral resistant member, two parts member that its steel supports by the steel plate both sides that are placed in fastens, and form with high-strength bolt is fastening, symmetrical fully for the girder steel longitudinal axis and steel plate plane, thereby can not produce any twisting action to girder steel, avoid Vierendeel girder owing to steel supports serious torsional deflection or unstable phenomenon to be taken place the eccentric torsional interaction that produces of girder steel;
(5) post and beam structure of a kind of using steel plate of the present invention-steel support combinations lateral resistant member, one face down bonding of splice bar is connected on the edge of a wing of beam and column, the steel plate welding of opposite side and lateral resistant member, steel plate-steel support combinations lateral resistant member and post and beam structure are connected into an organic whole, make that post and beam structure can absorb under geological process in a large number, the dissipation seismic energy, the building that prevents from using this post and beam structure is when meeting with violent earthquake and collapse;
(6) two right-angle sides owing to gusset plate are welded on the edge of a wing at beam, post angle of cut place, gusset plate stiffening rib vertical welding is connected to the both sides of gusset plate, form " ten " shaped sections, gusset plate is connected with the end that the gusset plate stiffening rib is used for supporting with the steel of lateral resistant member, the other end that steel supports welds mutually with the edge of a wing on the beam, it is more reliable to make that not only lateral resistant member is connected with post and beam structure, and effectively with the part of steel support as the lateral resisting system, with the shear wall acting in conjunction, provide better hysteretic energy ability and anti-seismic performance.
Description of drawings
Fig. 1 is the schematic diagram of the post and beam structure of using steel plate of the present invention-steel support combinations lateral resistant member;
Fig. 2 is light plate of the present invention-steel support combinations lateral resistant member structural representation;
Fig. 3 supports and beam column syndeton schematic diagram for steel among the present invention;
Fig. 4 is steel support structure schematic diagram among the present invention;
Fig. 5 (a) is that rectangle steel supports A-A direction cross-sectional view among Fig. 4;
Fig. 5 (b) is that circular steel supports A-A direction cross-sectional view among Fig. 4;
Fig. 6 (a) is that rectangle steel supports B-B direction cross-sectional view among Fig. 4;
Fig. 6 (b) is that circular steel supports B-B direction cross-sectional view among Fig. 4;
Fig. 7 is C-C direction sectional view among Fig. 4;
Fig. 8 is the hysteresis loop characteristic pattern of steel frame, steel plate wall, steel support three machinery stack under reciprocating load;
Fig. 9 is the hysteresis loop characteristic pattern of the post and beam structure of using steel plate of the present invention-steel support combinations lateral resistant member.
Label declaration in the schematic diagram:
1, steel plate; 2, steel supports; 3, splice bar; 4, gusset plate; 5, beam; 6, post; 7, gusset plate stiffening rib; 8, bolt hole.
The specific embodiment
For further understanding content of the present invention, by reference to the accompanying drawings the present invention is described in detail.
In conjunction with Fig. 2, Fig. 4 and Fig. 7, a kind of steel plate of the present invention-steel support combinations lateral resistant member, comprise steel plate 1, the steel that links into an integrated entity with steel plate 1 supports 2, being shaped as of steel plate 1 excised the rectangle with two angles on one side, cut-out be shaped as square (as shown in Figure 2), steel supports 2 and comprises two parts symmetrical, and place the both sides of steel plate 1 respectively, it is that rectangle or circle are (as Fig. 5 (a) that this steel dimerous supports 2 cross sectional shape, shown in Fig. 5 (b)), two parts of steel support 2 are the rectangle and trapezium channel section steel that is made into by cold working or the semi-circular cross-section steel that obtains by the subdivision pipe.Steel supports and equidistantly on 2 to offer 10～20 bolt hole 8(as shown in Figure 4), bolt hole 8 is 150～200mm with the distance that steel supports 2 ends, also offer 10～20 bolts hole 8 on the position of steel plate 1 correspondence, two parts of steel support 2 are connected by high-strength bolt, nut with steel plate 1 respectively, high-strength bolt and nut junction are provided with the high strength pad, the big footpath of high-strength bolt, nut is 12mm or 14mm, the high-strength bolt spacing is 200～300mm, and steel support 2 is connected with the mode of steel plate 1 contact position by welding.As shown in Figure 2, steel supports 2 V-shaped layouts, the foursquare diagonal of the axis of steel support 2 and above-mentioned excision coincides, one end end face of steel support 2 is concordant with one side of steel plate 1, the other end is positioned at the square area of excision, and this end is provided with open slot (as shown in Figure 4) perpendicular to the direction of steel plate 1, part need be cut away to adjust gusset plate 4 thickness (as shown in Figure 7) in end of grooved or semi-circular cross-section rod member, the material of steel plate 1 and steel support 2 is Q235 or Q345, and steel support 2 can be used for providing the axial tension of a part of lateral resistant member, anti-pressure ability.
In conjunction with Fig. 1 and Fig. 3, the post and beam structure of a kind of using steel plate of the present invention-steel support combinations lateral resistant member, comprise above-mentioned steel plate-steel support combinations lateral resistant member, also comprise splice bar 3, gusset plate 4, gusset plate stiffening rib 7, beam 5 and post 6, the thickness of splice bar 3 is 2～3 times of steel plate 1 thickness, one face down bonding of splice bar 3 is connected on the edge of a wing of beam 5 and post 6, steel plate 1 welding of opposite side and lateral resistant member, the foursquare equal and opposite in direction of excision on the size of gusset plate 4 and the steel plate 1, gusset plate 4 is identical with the thickness of gusset plate stiffening rib 7, gusset plate 4, all excise an angle on the gusset plate stiffening rib 7, this corner cut is of a size of 20～40mm, two right-angle sides of gusset plate 4 are welded in beam 5, on the edge of a wing at post 6 angle of cut places, gusset plate stiffening rib 7 vertical weldings are connected to the both sides of gusset plate 4, form " ten " shaped sections (as Fig. 6 (a), shown in Fig. 6 (b)), gusset plate 4 and gusset plate stiffening rib 7 is used for supporting an end of 2 with the steel of lateral resistant member and is connected, the other end of steel support 2 welds mutually with the edge of a wing on the beam 5, and the above-mentioned fillet weld that is welded as is welded.
Be further described below in conjunction with the present invention of embodiment.
A kind of steel plate of present embodiment-steel support combinations lateral resistant member, the steel that comprises steel plate 1, links into an integrated entity with steel plate 1 supports 2, being shaped as of steel plate 1 excised the rectangle with two angles on one side, form " protruding " font structure, cut-out be shaped as square, steel supports 2 and comprises two parts symmetrical, and places the both sides of steel plate 1 respectively, the cross sectional shape of this steel support 2 dimerous is rectangle, and steel supports 2 the rectangle and trapezium channel section steel of two parts for being made into by cold working.Steel supports and equidistantly on 2 to offer 10 bolts hole 8, bolt hole 8 is 150mm with the distance that steel supports 2 ends, also offer 10 bolts hole 8 on the position of steel plate 1 correspondence, two parts of steel support 2 pass through high-strength bolt with steel plate 1 respectively, nut connects, high-strength bolt and nut junction are provided with the high strength pad, high-strength bolt, the big footpath of nut is 12mm, the high-strength bolt spacing is 200mm, two parts of steel support 2 are symmetrical fully for the girder steel longitudinal axis and steel plate 1 plane, thereby can be to beam 5, post 6 produces any twisting action, avoids beam 5, serious torsional deflection or unstable phenomenon take place owing to steel supports 2 torsional interactions that produce in post 6.Steel support 2 is connected with the mode of steel plate 1 contact position by welding, steel supports 2 V-shaped layouts, the foursquare diagonal of the axis of steel support 2 and above-mentioned excision coincides, make that being subjected to compressed steel to support 2 axial force vertical component can offset with the vertical component that the tension steel supports 2 axial forces, crossbeam needn't be because of vertical out-of-balance force increasing section so link to each other, beam 5 on the framework, post 6 also need not to amplify, and have effectively reduced steel using amount.One end end face of steel support 2 is concordant with one side of steel plate 1, the other end is positioned at the square area of excision, and this end is provided with open slot perpendicular to the direction of steel plate 1, the material of steel plate 1 and steel support 2 is Q235, and steel support 2 can be used for providing the axial tension of a part, the anti-pressure ability of lateral resistant member.A kind of steel plate of present embodiment-steel support combinations lateral resistant member, utilize on the one hand steel to support the plane outer displacement that 2 the outer rigidity in plane retrains steel plate 1, make the plasticity hysteretic energy ability of steel sheet 1 significantly improve, reduced the concussion effect that the conversion of pulling force field produces, eliminated or obviously reduced the variable load noise; On the other hand, the pulling force field of steel plate 1 has stoped steel to support the 2 extreme point unstable phenomenons that take place in the structural plan, be subjected to compressed steel to support 2 supporting capacity and energy dissipation capacity and be not fully exerted, add the energy dissipation capacity that steel plate 1 has been enhanced, make this lateral resistant member possess outstanding anti-seismic performance.
The post and beam structure of a kind of using steel plate of present embodiment-steel support combinations lateral resistant member, comprise above-mentioned steel plate-steel support combinations lateral resistant member, also comprise splice bar 3, gusset plate 4, gusset plate stiffening rib 7, beam 5 and post 6, the thickness of splice bar 3 is 2 times of steel plate 1 thickness, one face down bonding of splice bar 3 is connected on the edge of a wing of beam 5 and post 6, steel plate 1 welding of opposite side and lateral resistant member, with steel plate-steel support combinations lateral resistant member and beam 5, post 6 connects into an organic whole, post and beam structure can be absorbed under geological process in a large number, dissipation seismic energy, the building that prevents from using this post and beam structure are when meeting with violent earthquake and collapse.The foursquare equal and opposite in direction of excision on the size of gusset plate 4 and the steel plate 1, gusset plate 4 is identical with the thickness of gusset plate stiffening rib 7, gusset plate 4, all excise an angle on the gusset plate stiffening rib 7, this corner cut is of a size of 20mm, two right-angle sides of gusset plate 4 are welded in beam 5, on the edge of a wing at post 6 angle of cut places, gusset plate stiffening rib 7 vertical weldings are connected to the both sides of gusset plate 4, form " ten " shaped sections, gusset plate 4 and gusset plate stiffening rib 7 is used for supporting an end of 2 with the steel of lateral resistant member and is connected, the other end of steel support 2 welds mutually with the edge of a wing on the beam 5, it is more reliable to make that not only lateral resistant member is connected with post and beam structure, and effectively steel is supported 2 parts as the lateral resisting system, with the steel plate shear force wall acting in conjunction, provide better hysteretic energy ability and anti-seismic performance.In addition, the above-mentioned fillet weld that is welded as is welded, and welding portion intensity height connects reliable.
A kind of steel plate-steel support combinations the lateral resistant member of present embodiment and the basic structure of post and beam structure of using this member are with embodiment 1, difference is: steel supports 2 and comprises two parts symmetrical, and place the both sides of steel plate 1 respectively, the cross sectional shape of this steel support 2 dimerous is circular, steel supports 2 the semi-circular cross-section steel of two parts for obtaining by the subdivision pipe, steel supports and equidistantly on 2 to offer 15 bolts hole 8, bolt hole 8 is 175mm with the distance that steel supports 2 ends, also offer 15 bolts hole 8 on the position of steel plate 1 correspondence, high-strength bolt, the big footpath of nut is 14mm, the high-strength bolt spacing is 250mm, and the material of steel plate 1 and steel support 2 is Q345.The thickness of splice bar 3 is 2.5 times of steel plate 1 thickness, all excises an angle on gusset plate 4, the gusset plate stiffening rib 7, and this corner cut is of a size of 30mm.
A kind of steel plate-steel support combinations the lateral resistant member of present embodiment and the basic structure of post and beam structure of using this member are with embodiment 1, difference is: steel supports and equidistantly on 2 to offer 20 bolts hole 8, bolt hole 8 is 200mm with the distance that steel supports 2 ends, also offer 20 bolts hole 8 on the position of steel plate 1 correspondence, the big footpath of high-strength bolt, nut is 14mm, the high-strength bolt spacing is 300mm, and the material of steel plate 1 and steel support 2 is Q345.The thickness of splice bar 3 is 3 times of steel plate 1 thickness, all excises an angle on gusset plate 4, the gusset plate stiffening rib 7, and this corner cut is of a size of 40mm.
In order to understand content of the present invention better, now provide a kind of steel plate of the present invention-steel support combinations lateral resistant member and use the manufacturing process of the post and beam structure of this member.
Make the post and beam structure of a kind of using steel plate of the present invention-steel support combinations lateral resistant member, at first determine that according to the dual seismic system computing thickness of steel plate 1 and rectangle or circular steel support sectional dimension and the thickness of 2 section structural members, and it is decomposed into 2 grooveds or semicircular cross-section rod member; With steel plate 1 size setting-out in accordance with regulations, cutting, in steel plate 1 and steel support 2, get out bolt hole 8 equably again, the steel plate that has bolt hole 81 that cuts is in place, reliably weld with the splice bar 3 that is welded in advance on beam 5 and the post 6; Then, gusset plate 4 and gusset plate stiffening rib 7 are welded in the node place of beam 5 and post 6, above-mentioned 2 grooveds or semicircular cross-section rod member are installed on the steel plate 1 by high-strength bolt, nut, be combined into a complete box or cast section structural member, grooved or semicircular cross-section rod member reliably are connected with fillet weld with the contact position of steel plate 1, at last steel is supported 2 and reliably be connected with gusset plate 4, gusset plate stiffening rib 7 by fillet weld, the other end and the beam 5 of steel support 2 reliably welded.As can be seen, the post and beam structure manufacture craft of a kind of using steel plate of the present invention-steel support combinations lateral resistant member is simple, can quickly and reliably make under the production technique of construction site.
A kind of steel plate of the present invention-steel support combinations lateral resistant member and use the post and beam structure of this member, steel in steel plate 1 in the steel plate shear force wall and the center support system is supported 2 to combine and constitutes new combination lateral resistant member, not simple machinery stack, neither learn from other's strong points to offset one's weaknesses simply; But real combination can be received the effect of " 1+1 is much larger than 2 ".Utilize on the one hand steel to support the plane outer displacement of 2 the outer rigidity constraint in plane steel plate 1, make the plasticity hysteretic energy ability of steel sheet 1 significantly improve, reduced the concussion effect that the conversion of pulling force field produces, elimination or obviously reduced the variable load noise.On the other hand, the pulling force field of steel plate 1 has stoped steel to support the 2 extreme point unstable phenomenons that take place in the structural plan, be subjected to compressed steel to support 2 supporting capacity and energy dissipation capacity and be not fully exerted, add the energy dissipation capacity that steel plate 1 has been enhanced, just can make structure possess outstanding anti-seismic performance.
Fig. 8 and Fig. 9 are respectively steel frame, steel plate wall, the hysteresis loop characteristic pattern of steel support three machinery stack under reciprocating load and the hysteretic energy characteristic pattern of post and beam structure under reciprocating load of using steel plate of the present invention-steel support combinations lateral resistant member, horizontal axis is axial displacement among the figure, vertical pivot is axial force, the area sum that all hysteretic loops surround has illustrated the energy dissipation capacity that structure possesses under geological process, hysteresis loop is more full, it is more big to surround the area sum, illustrates that this structure possesses more strong anti-seismic performance.As can be seen from Figure 8 steel frame, steel plate wall, steel support the three under reciprocating load, and the vestige that flexing is degenerated is very obvious, hysteresis loop is not full, and the energy dissipation capacity deficiency shows that shock resistance is very poor; As can be seen from Figure 9 the post and beam structure of the using steel plate of making by the principle of the invention-steel support combinations lateral resistant member is under reciprocating load; hysteresis loop is very full; energy dissipation capacity is steel frame, steel plate wall, the coefficient several times of steel support three; this shows that this lateral resistant member enough absorbs effectively in a large number under geological process, the dissipation seismic energy; thereby the safety of protection agent structure; demonstrate outstanding anti-seismic performance, demonstrated fully the effect of " whole much larger than the part sum ".A kind of steel plate of the present invention-steel support combinations lateral resistant member and use the post and beam structure of this member, thus avoid hysteresis loop " to pinch " by the deformity out of plane that steel supports 2 constraint steel plates 1; Pulling force field constraint by steel plate 1 simultaneously is subjected to compressed steel to support the extreme point unstable phenomenon of 2 normal generations in the structural plan, thereby obtains the outstanding combination lateral resistant member of a kind of anti-seismic performance, and the energy dissipation ability significantly improves.
Below schematically the present invention and embodiment thereof are described, this description does not have restricted, and shown in the accompanying drawing is one of embodiments of the present invention also, and practical structure is not limited thereto.So, if those of ordinary skill in the art is enlightened by it, under the situation that does not break away from the invention aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection scope of the present invention.
Claims (7)
1. steel plate-steel support combinations lateral resistant member, comprise steel plate (1), the steel that links into an integrated entity with steel plate (1) supports (2), it is characterized in that: being shaped as of described steel plate (1) excised the rectangle with two angles on one side, cut-out be shaped as square, described steel supports (2) and comprises two parts symmetrical, and place the both sides of steel plate (1) respectively, the cross sectional shape that this steel dimerous supports (2) is rectangle or circle, described steel supports (2) and goes up equidistant 10～20 bolts hole (8) that offer, described bolt hole (8) is 150～200mm with the distance that steel supports (2) end, also offer 10～20 bolts hole (8) on the position of described steel plate (1) correspondence, two parts that described steel supports (2) pass through high-strength bolt with steel plate (1) respectively, nut connects, described high-strength bolt and nut junction are provided with the high strength pad, described steel supports (2) and is connected with the mode of steel plate (1) contact position by welding, steel supports (2) V-shaped layout, described steel supports the axis of (2) and the foursquare diagonal of described excision coincides, one end end face of described steel support (2) is concordant with one side of steel plate (1), the other end is positioned at the square area of excision, and this end is provided with open slot perpendicular to the direction of steel plate (1), and described steel supports the axial tension of a part that (2) are used for providing lateral resistant member, anti-pressure ability.
2. steel plate according to claim 1-steel support combinations lateral resistant member, it is characterized in that: the big footpath of described high-strength bolt, nut is 12mm or 14mm, described high-strength bolt spacing is 200～300mm.
3. steel plate according to claim 2-steel support combinations lateral resistant member is characterized in that: two parts that described steel supports (2) are the rectangle and trapezium channel section steel that is made into by cold working or the semi-circular cross-section steel that obtains by the subdivision pipe.
4. steel plate according to claim 3-steel support combinations lateral resistant member is characterized in that: the material that described steel plate (1) and steel support (2) is Q235 or Q345.
5. an application rights requires the post and beam structure of 1 to 4 any described lateral resistant member, it is characterized in that: comprise any described steel plate of claim 1 to 4-steel support combinations lateral resistant member, also comprise splice bar (3), gusset plate (4), gusset plate stiffening rib (7), beam (5) and post (6), the thickness of described splice bar (3) is 2～3 times of steel plate (1) thickness, one face down bonding of described splice bar (3) is connected on the edge of a wing of beam (5) and post (6), the steel plate of opposite side and lateral resistant member (1) welding, the size of described gusset plate (4) and steel plate (1) are gone up the foursquare equal and opposite in direction of excision, described gusset plate (4) is identical with the thickness of gusset plate stiffening rib (7), two right-angle sides of described gusset plate (4) are welded in beam (5), on the edge of a wing at post (6) angle of cut place, described gusset plate stiffening rib (7) vertical welding is connected to the both sides of gusset plate (4), form " ten " shaped sections, the end that described gusset plate (4) and gusset plate stiffening rib (7) are used for supporting with the steel of lateral resistant member (2) is connected, and the other end of steel support (2) welds mutually with the edge of a wing on the beam (5).
6. application rights according to claim 5 requires the post and beam structure of 1 to 4 any described lateral resistant member, it is characterized in that: the described fillet weld that is welded as is welded.
7. application rights according to claim 6 requires the post and beam structure of 1 to 4 any described lateral resistant member, and it is characterized in that: all excise an angle on described gusset plate (4), the gusset plate stiffening rib (7), this corner cut is of a size of 20～40mm.
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| CN107965068A (en) * | 2018-01-05 | 2018-04-27 | 沈阳建筑大学 | A kind of light gauge cold-formed steel shape assembled wall diagonal brace and keel frame connecting structure |
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| CN109610696A (en) * | 2018-12-04 | 2019-04-12 | 黄河水利职业技术学院 | A kind of anti-buckling steel plate shear wall structure being easily assembled |
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Application publication date: 20130814 Assignee: City, Jiangsu work builds Science and Technology Ltd. Assignor: Changzhou Polytechnic College Contract record no.: 2015320010088 Denomination of invention: Steel plate-steel support combined lateral force resisting member and beam column structure applying same Granted publication date: 20150128 License type: Exclusive License Record date: 20150603 |
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Assignee: City, Jiangsu work builds Science and Technology Ltd. Assignor: Changzhou Polytechnic College Contract record no.: 2015320010088 Date of cancellation: 20190103 |