CN104674988A - Double-layer mild steel plate shear wall with rebound steel bars and manufacturing method thereof - Google Patents
Double-layer mild steel plate shear wall with rebound steel bars and manufacturing method thereof Download PDFInfo
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- CN104674988A CN104674988A CN201510090202.4A CN201510090202A CN104674988A CN 104674988 A CN104674988 A CN 104674988A CN 201510090202 A CN201510090202 A CN 201510090202A CN 104674988 A CN104674988 A CN 104674988A
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Abstract
The invention relates to a double-layer mild steel plate shear wall with rebound steel bars and a manufacturing method thereof. The structure of the shear wall is reasonable, the process is simple, the implementation is convenient, in addition, the shear wall is a novel multi-combination anti-seismic system, the characteristics are obvious in the combined mode, the whole combined shear wall is like a transverse stress component, concrete fillings are injected in mild steel plates for forming a web plate of the component, and the web plate mainly bears the shearing force; united steel pipe concrete columns at two sides form a wing flange of the component, the wing flange is used for bearing the axial tensile force and the axial pressure, and the formed force moment is used for resisting the bending moment; unbonded high-strength rebound steel bars are arranged in the wing flange, and a certain elastic rebounding effect is achieved. The double-layer mild steel plate shear wall and the manufacturing method have the advantages that the side rigidity resistance of the shear wall can be enhanced, the plane external stability loss of the steel plate is inhibited, the ductility and the energy dissipation capacity of the steel plate shear wall are improved, and the wall body displacement is reduced, so that integral stability and the later-period anti-seismic stability of the structure are ensured.
Description
Technical field
The invention belongs to construction engineering technical field, particularly one is with double-deck mild steel plate shear wall of reply reinforcing bar and preparation method thereof.
Background technology
In Super High Mixed Architecture, shear wall is a kind of important lateral resistant member.When earthquake occurs, shear wall can not only bear most seismic shear, and can also play the important function of dissipation seismic energy.Therefore, shear wall becomes the key member of Super High Mixed Architecture seismic design.
Along with the develop rapidly of Chinese national economy and infrastructure scale continuous expansion, particularly superelevation, greatly across and the architecture structure form of other particular/special requirements more and more general.After the height of building structure increases, bottom shear wall needs the vertical load born increasing, is the ductility ensureing shear wall, needs strict control ratio of axial compressive force to axial compressive ultimate capacity of section and strength grade of concrete; If still adopt traditional reinforced concrete shear wall, the thickness of shear wall can only be increased, after building structure reach a certain height, cause Shear Walls body thickness bigger than normal.Blocked up shear wall not only causes construction complexity, wasting space, but also the excessively increase that causes conducting oneself with dignity, geological process increases; In addition, the increase of shear wall's thickness, also makes the rigidity of Core Walls Structure significantly improve, the requirement of story shearing force ratio is born in order to meet exterior frame column, the cross section of housing beam column also will increase the Rigidity Matching realizing inner core and housing thereupon, and now, the holistic cost of building structure and scale are all difficult to control.Therefore, the optimization of shear wall structure form becomes one of key factor of super-high building structure development.
Summary of the invention
The object of this invention is to provide a kind of rational in infrastructure, be convenient to implement and anti-seismic performance is good with double-deck mild steel plate shear wall of reply reinforcing bar and preparation method thereof.
For achieving the above object, technical scheme of the present invention is: with the double-deck mild steel plate shear wall of reply reinforcing bar, comprise the edge of a wing and web, the described edge of a wing is made up of the concrete fill of building in the vertical townhouse steel pipe that arranges of two row and townhouse steel pipe, web is made up of the concrete fill of building between two-layer mild steel plate spaced between townhouse steel pipe and mild steel plate, and the cross section of townhouse steel pipe and mild steel plate is " work " font; The two ends up and down of mild steel plate are all connected with the crossbeam of end through townhouse steel pipe, are embedded with the reply reinforcing bar be connected with crossbeam in townhouse steel pipe, and reply reinforcing bar outer cover is provided with the sleeve pipe between two crossbeams.
Be provided with demarcation strip between described mild steel plate, demarcation strip is perpendicular to mild steel plate.
Described townhouse steel pipe comprises three rectangular steel tubes welded side by side; Crossbeam is H profile steel; Sleeve pipe is PVC plastic pipe, and the internal diameter of sleeve pipe is greater than the diameter of replying reinforcing bar.
The two ends, left and right of described mild steel plate are connected with townhouse steel pipe by vertical junction plate, and vertical junction plate is positioned at inside mild steel plate; The two ends up and down of mild steel plate are connected with crossbeam by horizontal connecting plate, and horizontal connecting plate is positioned at inside mild steel plate.
The two ends up and down of described reply reinforcing bar are provided with screw thread, reply reinforcing bar and are fixed on crossbeam by the nut of end.
Lubricant grease coating is coated with between described cannula tip inwall and reply reinforcing bar.
Described mild steel plate adopts the steel of Q235 or below Q235 intensity; Described vertical junction plate, horizontal connecting plate, demarcation strip and townhouse steel pipe adopt the steel of Q345 or more than Q345 intensity; Reply the reinforcing bar that reinforcing bar adopts 600MPa or more than 600MPa intensity; The intensity of vertical junction plate, horizontal connecting plate, demarcation strip and townhouse steel pipe is lower than the intensity of replying reinforcing bar.
The described preparation method with replying the double-deck mild steel plate shear wall of reinforcing bar, comprises the steps: a, the rectangular steel tube at the prefabricated townhouse steel pipe of prefabricated component processing factory, mild steel plate, reply reinforcing bar, crossbeam, vertical junction plate, horizontal connecting plate, demarcation strip and sleeve pipe; B, above-mentioned prefabricated component is transported to job location: first, square steel pipe welded is formed townhouse steel pipe; Secondly, weld vertical junction plate in townhouse steel pipe middle inside, weld horizontal junction plate on crossbeam, horizontal connecting plate end connects with vertical junction plate; Then, between two-layer mild steel plate, demarcation strip is welded; C, making shear wall wallboard: first, by crossbeam two ends through townhouse steel pipe, and weld; Secondly, mild steel plate and crossbeam are welded by horizontal connecting plate, mild steel plate and townhouse steel pipe are welded by vertical junction plate; D, at the outside sheathed sleeve pipe of reply reinforcing bar, cannula tip inwall and reply coating lubricating oil fat coating between reinforcing bar, is replied the upper and lower two ends of reinforcing bar and is fixedly connected with by nut through behind hole reserved on the edge of a wing of crossbeam; E, to concreting filler between townhouse steel duct and two-layer mild steel plate, after shaping, namely complete the making of shear wall.
Compared with prior art, advantage of the present invention is:
1, the present invention includes the edge of a wing and web, the described edge of a wing is made up of the concrete fill of building in the vertical townhouse steel pipe that arranges of two row and townhouse steel pipe, web is made up of the concrete fill of building between two-layer mild steel plate spaced between townhouse steel pipe and mild steel plate, the cross section of townhouse steel pipe and mild steel plate is " work " font, and the anti-bending strength of shear wall can be improved in " work " font edge of a wing; The two ends up and down of mild steel plate are all connected with the crossbeam of end through townhouse steel pipe, the reply reinforcing bar be connected with crossbeam is embedded with in townhouse steel pipe, reply reinforcing bar outer cover is provided with the sleeve pipe between two crossbeams, it is rational in infrastructure, is convenient to implement, and is Multiple Combination antidetonation new system, in combination, feature is obvious, whole compound shear wall is just as a lateral stressed component, and in mild steel plate, fill concrete filler forms the web of this component, mainly bears shearing; The townhouse steel core concrete column of both sides forms the edge of a wing of this component, bears axial pulling force and pressure, and the moment formed carrys out resist torque; Thus strengthen the anti-side rigidity of shear wall, the ductility suppressing the outer unstability of the plane of steel plate, raising steel plate shear force wall and energy dissipation capacity, the displacement of reduction body of wall, to ensure resistance to overturning and the later stage seismic stability of structure; Wherein, townhouse steel pipe and crossbeam form the skeleton of shear wall, can ensure globality and the stability of structure.
2, demarcation strip is provided with between mild steel plate, demarcation strip is perpendicular to mild steel plate, demarcation strip can ensure that flat out-of-plane buckling does not occur mild steel plate, demarcation strip forms multi-cavity concrete after being separated by web, under seismic loading, the each cavity area of web, by the oblique pull strap of formation intersection, gives full play to the energy-dissipating and shock-absorbing effect of mild steel plate.
3, townhouse steel pipe comprises three rectangular steel tubes welded side by side, and crossbeam is H profile steel, and rectangular steel tube and shaped steel are beneficial to the connection between component; Mild steel plate adopts the steel of Q235 or below Q235 intensity, and the intensity of mild steel plate is lower, has good ductility and energy dissipation capacity; Reply the reinforcing bar that reinforcing bar adopts 600MPa or more than 600MPa intensity, the intensity of replying reinforcing bar is higher, forms the high-strength reply component of soap-free emulsion polymeization, can ensure in elastic stage work in the edge of a wing, thus produces elastic recovery, alleviates the destruction of shear wall component.
4, the two ends, left and right of mild steel plate are connected with townhouse steel pipe by vertical junction plate, and vertical junction plate is positioned at inside mild steel plate; The two ends up and down of mild steel plate are connected with crossbeam by horizontal connecting plate, and horizontal connecting plate is positioned at inside mild steel plate, and structure is simple, are convenient to implement, and greatly can improve structural stability.
5, be coated with lubricant grease coating between cannula tip inwall and reply reinforcing bar, can effectively prevent concrete fill from entering in sleeve pipe, to form soap-free emulsion polymeization replying reinforcing bar.
6, preparation method technique of the present invention is simple, be convenient to implement, the townhouse steel core concrete column on the edge of a wing is as the main body of bearing vertical load, mild steel plate can play good energy-dissipating and shock-absorbing effect with concrete fill therebetween under shaking greatly, reply reinforcing bar and be still in elastic stage behind the edge of a wing and web surrender, reply reinforcing bar and can play good elastic recovery effect, replying return action that reinforcing bar produces can the displacement of limiting member horizontal direction, to improve shear wall bight shortcoming easy to crack, formed " the Multiple Combination shear wall " with multiple seismic-proof, thus strengthen the anti-side rigidity of shear wall, suppress the outer unstability of the plane of steel plate, improve ductility and the energy dissipation capacity of steel plate shear force wall, reduce body of wall displacement, to ensure resistance to overturning and the later stage seismic stability of structure.
Accompanying drawing explanation
Fig. 1 is that the present invention is with the structural representation of replying the double-deck mild steel plate shear wall of reinforcing bar;
Fig. 2 is the generalized section of A-A in Fig. 1;
Fig. 3 is the generalized section of B-B in Fig. 1.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3 with the double-deck mild steel plate shear wall of reply reinforcing bar, it comprises the edge of a wing and web, the described edge of a wing is made up of the concrete fill 2 of building in the vertical townhouse steel pipe 1 that arranges of two row and townhouse steel pipe 1, and web is made up of the concrete fill 2 of building between two-layer mild steel plate 3 spaced between townhouse steel pipe 1 and mild steel plate 3.All be connected with the crossbeam 5 of end through townhouse steel pipe 1 at the two ends up and down of mild steel plate 3, and townhouse steel pipe 1 welds mutually with crossbeam 5, townhouse steel pipe 1 and crossbeam 5 form the skeleton of shear wall, can ensure globality and the stability of structure.Be connected with townhouse steel pipe 1 by vertical junction plate 6 at the two ends, left and right of mild steel plate 3, vertical junction plate 6 is positioned at inside mild steel plate 3; The two ends up and down of mild steel plate 3 are connected with crossbeam 5 by horizontal connecting plate 7, and horizontal connecting plate 7 is positioned at inside mild steel plate 3, and the cross section of townhouse steel pipe 1 and mild steel plate 3 is " work " font, and the anti-bending strength of shear wall can be improved in " work " font edge of a wing.
The reply reinforcing bar 4 be connected with crossbeam 5 is embedded with in townhouse steel pipe 1, reply reinforcing bar 4 outer cover is provided with the sleeve pipe 9 between two crossbeams 5, the internal diameter of sleeve pipe 9 is greater than the diameter of replying reinforcing bar 4, the two ends up and down of replying reinforcing bar 4 are provided with screw thread, reply reinforcing bar 4 and are fixed on crossbeam 5 by the nut 10 of end.The demarcation strip 8 that two pieces of parallel interval are arranged is provided with between mild steel plate 3, demarcation strip 8 is perpendicular to mild steel plate 3, demarcation strip 8 can ensure that flat out-of-plane buckling does not occur mild steel plate 3, demarcation strip 8 forms multi-cavity concrete after being separated by web, under seismic loading, the each cavity area of web, by the oblique pull strap of formation intersection, gives full play to the energy-dissipating and shock-absorbing effect of mild steel plate 3.Between the inner wall of end and reply reinforcing bar 4 of sleeve pipe 9, be coated with lubricant grease coating, can effectively prevent concrete fill 2 from entering in sleeve pipe 9.
The present invention comprises the steps: with the preparation method of replying the double-deck mild steel plate shear wall of reinforcing bar
A, the rectangular steel tube at the prefabricated townhouse steel pipe 1 of prefabricated component processing factory, mild steel plate 3, reply reinforcing bar 4, crossbeam 5, vertical junction plate 6, horizontal connecting plate 7, demarcation strip 8 and sleeve pipe 9;
B, above-mentioned prefabricated component is transported to job location, assembles as follows: first, square steel pipe welded is formed townhouse steel pipe 1; Secondly, weld vertical junction plate 6 in townhouse steel pipe 1 middle inside, weld horizontal junction plate 7 on crossbeam 5, horizontal connecting plate 7 end connects with vertical junction plate 6; Then, between two-layer mild steel plate 3, demarcation strip 8 is welded;
C, making shear wall wallboard: first, by crossbeam 5 two ends through townhouse steel pipe 1, and weld; Secondly, mild steel plate 3 and crossbeam 5 are welded by horizontal connecting plate 7, mild steel plate 3 and townhouse steel pipe 1 are welded by vertical junction plate 6;
D, at reply reinforcing bar 4 outside sheathed sleeve pipe 9, sleeve pipe 9 inner wall of end and reply coating lubricating oil fat coating between reinforcing bar 4, is replied reinforcing bar 4 about two ends and is fixedly connected with by nut through behind the hole that the edge of a wing of crossbeam 5 is reserved;
E, to townhouse steel pipe 1 concreting filler 2 between inner and two-layer mild steel plate 3, namely complete the making of shear wall after shaping.
In the present embodiment, townhouse steel pipe 1 comprises three rectangular steel tubes welded side by side, and crossbeam 5 is H profile steel, and rectangular steel tube and shaped steel are beneficial to the connection between component; Sleeve pipe 9 is PVC plastic pipe; Mild steel plate 3 adopts the steel of Q235 or below Q235 intensity, and the intensity of mild steel plate 3 is lower, has good ductility and energy dissipation capacity; Vertical junction plate 6, horizontal connecting plate 7, demarcation strip 8 and townhouse steel pipe 1 adopt the steel of Q345 or more than Q345 intensity; Reply the reinforcing bar that reinforcing bar 4 adopts 600MPa or more than 600MPa intensity, the intensity of replying reinforcing bar 4 is higher, forms the high-strength reply component of soap-free emulsion polymeization, can ensure in elastic stage work in the edge of a wing, thus produces elastic recovery, alleviates the destruction of shear wall component; The intensity of vertical junction plate 6, horizontal connecting plate 7, demarcation strip 8 and townhouse steel pipe 1 is lower than the intensity of replying reinforcing bar 4.
In the present invention, the townhouse steel core concrete column on the edge of a wing is as the main body of bearing vertical load, mild steel plate 3 can play good energy-dissipating and shock-absorbing effect with concrete fill 2 therebetween under shaking greatly, reply reinforcing bar 4 and be still in elastic stage behind the edge of a wing and web surrender, reply reinforcing bar 4 and can play good elastic recovery effect, replying return action that reinforcing bar 4 produces can the displacement of limiting member horizontal direction, to improve shear wall bight shortcoming easy to crack, formed " the Multiple Combination shear wall " with multiple seismic-proof.
The present invention is Multiple Combination antidetonation new system, and in combination, feature is obvious, and whole compound shear wall is just as a lateral stressed component, and in mild steel plate 3, fill concrete filler 2 forms the web of this component, mainly bears shearing; The townhouse steel core concrete column of both sides forms the edge of a wing of this component, bears axial pulling force and pressure, and the moment formed carrys out resist torque; Thus strengthen the anti-side rigidity of shear wall, the ductility suppressing the outer unstability of the plane of steel plate, raising steel plate shear force wall and energy dissipation capacity, the displacement of reduction body of wall, to ensure resistance to overturning and the later stage seismic stability of structure.
Claims (8)
1. with the double-deck mild steel plate shear wall of reply reinforcing bar, comprise the edge of a wing and web, it is characterized in that, the described edge of a wing is made up of the concrete fill of building in the vertical townhouse steel pipe that arranges of two row and townhouse steel pipe, web is made up of the concrete fill of building between two-layer mild steel plate spaced between townhouse steel pipe and mild steel plate, and the cross section of townhouse steel pipe and mild steel plate is " work " font; The two ends up and down of mild steel plate are all connected with the crossbeam of end through townhouse steel pipe, are embedded with the reply reinforcing bar be connected with crossbeam in townhouse steel pipe, and reply reinforcing bar outer cover is provided with the sleeve pipe between two crossbeams.
2., as claimed in claim 1 with the double-deck mild steel plate shear wall of reply reinforcing bar, it is characterized in that, be provided with demarcation strip between described mild steel plate, demarcation strip is perpendicular to mild steel plate.
3., as claimed in claim 1 or 2 with the double-deck mild steel plate shear wall of reply reinforcing bar, it is characterized in that, described townhouse steel pipe comprises three rectangular steel tubes welded side by side; Crossbeam is H profile steel; Sleeve pipe is PVC plastic pipe, and the internal diameter of sleeve pipe is greater than the diameter of replying reinforcing bar.
4., as claimed in claim 3 with the double-deck mild steel plate shear wall of reply reinforcing bar, it is characterized in that, the two ends, left and right of described mild steel plate are connected with townhouse steel pipe by vertical junction plate, and vertical junction plate is positioned at inside mild steel plate; The two ends up and down of mild steel plate are connected with crossbeam by horizontal connecting plate, and horizontal connecting plate is positioned at inside mild steel plate.
5., as claimed in claim 4 with the double-deck mild steel plate shear wall of reply reinforcing bar, it is characterized in that, the two ends up and down of described reply reinforcing bar are provided with screw thread, reply reinforcing bar and are fixed on crossbeam by the nut of end.
6., as claimed in claim 5 with the double-deck mild steel plate shear wall of reply reinforcing bar, it is characterized in that, between described cannula tip inwall and reply reinforcing bar, be coated with lubricant grease coating.
7., as claimed in claim 6 with the double-deck mild steel plate shear wall of reply reinforcing bar, it is characterized in that, described mild steel plate adopts the steel of Q235 or below Q235 intensity; Described vertical junction plate, horizontal connecting plate, demarcation strip and townhouse steel pipe adopt the steel of Q345 or more than Q345 intensity; Reply the reinforcing bar that reinforcing bar adopts 600MPa or more than 600MPa intensity; The intensity of vertical junction plate, horizontal connecting plate, demarcation strip and townhouse steel pipe is lower than the intensity of replying reinforcing bar.
8. as described in claim 1-7 with the preparation method of replying the double-deck mild steel plate shear wall of reinforcing bar, it is characterized in that, comprise the steps: a, the rectangular steel tube at the prefabricated townhouse steel pipe of prefabricated component processing factory, mild steel plate, reply reinforcing bar, crossbeam, vertical junction plate, horizontal connecting plate, demarcation strip and sleeve pipe; B, above-mentioned prefabricated component is transported to job location: first, square steel pipe welded is formed townhouse steel pipe; Secondly, weld vertical junction plate in townhouse steel pipe middle inside, weld horizontal junction plate on crossbeam, horizontal connecting plate end connects with vertical junction plate; Then, between two-layer mild steel plate, demarcation strip is welded; C, making shear wall wallboard: first, by crossbeam two ends through townhouse steel pipe, and weld; Secondly, mild steel plate and crossbeam are welded by horizontal connecting plate, mild steel plate and townhouse steel pipe are welded by vertical junction plate; D, at the outside sheathed sleeve pipe of reply reinforcing bar, cannula tip inwall and reply coating lubricating oil fat coating between reinforcing bar, is replied the upper and lower two ends of reinforcing bar and is fixedly connected with by nut through behind hole reserved on the edge of a wing of crossbeam; E, to concreting filler between townhouse steel duct and two-layer mild steel plate, after shaping, namely complete the making of shear wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510090202.4A CN104674988A (en) | 2015-02-28 | 2015-02-28 | Double-layer mild steel plate shear wall with rebound steel bars and manufacturing method thereof |
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| CN201510090202.4A CN104674988A (en) | 2015-02-28 | 2015-02-28 | Double-layer mild steel plate shear wall with rebound steel bars and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443209A (en) * | 2018-06-06 | 2018-08-24 | 鞍山钢峰风机有限责任公司 | A kind of large centrifugal ventilation blower steel frame mounting structure and installation method |
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2015
- 2015-02-28 CN CN201510090202.4A patent/CN104674988A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443209A (en) * | 2018-06-06 | 2018-08-24 | 鞍山钢峰风机有限责任公司 | A kind of large centrifugal ventilation blower steel frame mounting structure and installation method |
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