CN103741841A - Energy-dissipation damping double-steel-plate cantilever wall and construction method thereof - Google Patents
Energy-dissipation damping double-steel-plate cantilever wall and construction method thereof Download PDFInfo
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- CN103741841A CN103741841A CN201410018334.1A CN201410018334A CN103741841A CN 103741841 A CN103741841 A CN 103741841A CN 201410018334 A CN201410018334 A CN 201410018334A CN 103741841 A CN103741841 A CN 103741841A
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Abstract
The invention relates to an energy-dissipation damping double-steel-plate cantilever wall and a construction method thereof and belongs to the field of structural systems of high-rise building structures of 'frames + cantilever walls + core tubes'. Compared with an ordinary horizontal cantilever truss, the energy-dissipation damping double-steel-plate cantilever wall has the advantages of simple structure, high bearing capacity, good ductility, convenience in construction and the like; an ideal failure mode of the structure under the action of a strong earthquake is achieved, good dissipation performance is achieved, and the disaster of the earthquake can be greatly reduced; the energy-dissipation damping double-steel-plate cantilever wall system is strong on one side and weak on the other side, so that preset weak links are allowed to yield first under the strong earthquake to dissipate earthquake energy, external columns are prevented from being destroyed ahead of horizontal cantilever components, and safety of the main structure can be guaranteed.
Description
Technical field
The present invention relates to a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall and implementation method, belong to building structure Super High " framework+semi-girder wall+Core Walls Structure " structural system field.
Background technology
In this day and age, the fast development of society has caused the problems such as densely populated, land used is nervous, and therefore high-rise and super highrise building arises at the historic moment.They have not only saved soil and space resources, can also serve as the sign of an area or country.
Present stage, super highrise building extensively adopts framework-horizontal outrigger member-Core Walls Structure system.This system Core Walls Structure is born most lateral displacement, has the enhancement Layer of horizontal outrigger member to connect outside framework and Core Walls Structure, can make full use of the axial rigidity of housing trestle, reduces the horizontal sidesway of total system.Tradition horizontal outrigger member adopts diagonal web member truss mostly.Although it is stressed simple, can make full use of the intensity of material, but in order to guarantee enough intensity, diagonal web member truss to be designed to larger sectional dimension, therefore it has born huge axle power and moment of flexure, causes the connected node of itself and housing trestle and Core Walls Structure shear wall stressed quite complicated.Secondly, although semi-girder truss can effectively reduce the side direction horizontal displacement under horizontal loads, under violent earthquake effect, the enhancement Layer at its place can recurring structure rigidity suddenly change and internal force sharp increase, unfavorable to total on the contrary.
For above problem, invented energy-dissipating and shock-absorbing double steel plate semi-girder wall construction.In semi-girder wall, weak link is set, makes its first surrender under violent earthquake effect, dissipation seismic energy, guarantees agent structure safety.
Summary of the invention
The object of the present invention is to provide a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall and preparation method with advantages such as simple structure, cheap, easy construction, anti-seismic performance are good, to solving the deficiency of traditional structure member.
For achieving the above object, the technical solution used in the present invention is a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall and implementation method, and wherein energy-dissipating and shock-absorbing double steel plate semi-girder wall comprises square steel pipe, I shape shaped steel upper side frame, I shape shaped steel lower frame, end plate a, end plate b, vertical stiffening rib, transverse stiffener a, transverse stiffener b, steel sheet, the steel sheet with circular opening, frame column, Core Walls Structure.
Square steel pipe one end and the welding of I shape shaped steel upper side frame, the other end and the welding of I shape shaped steel lower frame; I shape shaped steel upper side frame is parallel with I shape shaped steel lower frame and length is identical, I shape shaped steel upper side frame and I shape shaped steel lower frame one end are welded on end plate a, it is upper that I shape shaped steel upper side frame and the I shape shaped steel lower frame other end are welded on end plate b, and square steel pipe, end plate a, end plate b are parallel mutually;
Between square steel pipe and end plate a, be welded with the steel sheet with circular opening, between square steel pipe and end plate b, be welded with steel sheet;
Steel sheet one side is welded vertical stiffening rib and transverse stiffener a, transverse stiffener b;
Described vertical stiffening rib is vertical with transverse stiffener a, transverse stiffener b, transverse stiffener a and transverse stiffener b are respectively in vertical stiffening rib both sides, and therein some place vertical with vertical stiffening rib, vertical stiffening rib two ends are welded in respectively I shape shaped steel upper side frame, I shape shaped steel lower frame contact surface place; Transverse stiffener a two ends are welded on respectively square steel pipe and vertical stiffening rib contact surface place, and transverse stiffener b two ends are welded on respectively vertical stiffening rib and end plate b contact surface place;
Frame column, Core Walls Structure vertical ground and being parallel to each other respectively, end plate a is fixed on frame column, and end plate b is fixed on Core Walls Structure, and its fixed form all adopts welding manner.
Square steel pipe, I shape shaped steel upper side frame, I shape shaped steel lower frame, end plate a, end plate b, vertical stiffening rib, transverse stiffener a, transverse stiffener b, steel sheet, with the steel sheet of circular opening, formed a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall.
Described steel sheet has two, with the steel sheet of circular opening, has two, and every corresponding steel sheet, the steel sheet with circular opening are in same plane.
The vertical point of described vertical stiffening rib is in steel sheet center.
Narrate transverse stiffener a and transverse stiffener b perpendicular to vertical stiffening rib midpoint, and transverse stiffener a and transverse stiffener b in the same plane, both length is identical.
The implementation method of described a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall, its step is as follows:
S1 welds square steel pipe two ends respectively with I shape shaped steel upper side frame, I shape shaped steel lower frame, I shape shaped steel upper side frame and I shape shaped steel lower frame and end plate a and end plate b welding;
S2 is welded in its vertical mid point midline along two steel-sheet one sides respectively by vertical stiffening rib;
S3 is welded in steel sheet mid point midline along the middle point vertical direction of vertical stiffening rib by transverse stiffener a, transverse stiffener b, and transverse stiffener a, transverse stiffener b are distributed in vertical stiffening rib both sides, and welds with vertical stiffening rib;
S4 will be welded with two steel sheets of vertical stiffening rib, transverse stiffener a, transverse stiffener b and square steel pipe, I shape shaped steel upper side frame, I shape shaped steel lower frame, end plate b welding;
The vertical stiffening rib of S5 and I shape shaped steel upper side frame, I shape shaped steel lower frame are in the welding of contact surface place, and transverse stiffener a, the transverse stiffener b other end weld at contact surface place with square steel pipe, end plate b respectively;
S6 is the steel sheet with circular opening and square steel pipe, I shape shaped steel upper side frame, I shape shaped steel lower frame, end plate a welding by two, and welding position need guarantee that the steel sheet corresponding with every is in same plane;
End plate a and the frame column of S7 semi-girder wall are weldingly connected, and end plate b and the Core Walls Structure of semi-girder wall are weldingly connected.
The energy-dissipating and shock-absorbing double steel plate semi-girder wall that the present invention proposes can be used as the horizontal outrigger member of Super High framework-core wall structure.
Compared with prior art, the present invention can obtain following beneficial effect:
1, energy-dissipating and shock-absorbing double steel plate semi-girder wall of the present invention is compared with common horizontal outrigger truss, there is simple structure, bearing capacity is high, ductility good, easy construction etc., and can make structure be issued to comparatively ideal failure mode in violent earthquake effect, there is good energy-dissipating property, thereby can greatly alleviate the disaster of earthquake.
2, the weak side of energy-dissipating and shock-absorbing double steel plate semi-girder wall system intensity of the present invention one side is strong, and its weak link default under violent earthquake effect is first surrendered, and dissipation seismic energy, avoids column jacket prior to horizontal outrigger component damage, guarantees agent structure safety.
Accompanying drawing explanation
Fig. 1 is a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall front view.
Fig. 2 is the sectional drawing of A-A.
In figure: 1, square steel pipe, 2, I shape shaped steel upper side frame, 3, I shape shaped steel lower frame, 4, end plate a, 5, end plate b, 6, vertical stiffening rib, 7, transverse stiffener a, 8, transverse stiffener b, 9, steel sheet, 10, the steel sheet with circular opening, 11, frame column, 12, Core Walls Structure.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1-2, a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall, it comprises square steel pipe 1, I shape shaped steel upper side frame 2, I shape shaped steel lower frame 3, end plate a4, end plate b5, vertical stiffening rib 6, transverse stiffener a7, transverse stiffener b8, steel sheet 9, the steel sheet with circular opening 10, frame column 11, Core Walls Structure 12.
Square steel pipe 1 one end and I shape shaped steel upper side frame 2 weld, and the other end and I shape shaped steel lower frame 3 weld; I shape shaped steel upper side frame 2 is parallel with I shape shaped steel lower frame 3 and length is identical, I shape shaped steel upper side frame 2 is welded on end plate a4 with I shape shaped steel lower frame 3 one end, it is upper that I shape shaped steel upper side frame 2 and I shape shaped steel lower frame 3 other ends are welded on end plate b5, and square steel pipe 1, end plate a4, end plate b5 are parallel mutually.
Between square steel pipe 1 and end plate a4, be welded with the steel sheet 10 with circular opening, between square steel pipe 1 and end plate b5, be welded with steel sheet 9.
Steel sheet 9 one sides are welded vertical stiffening rib 6 and transverse stiffener a7, transverse stiffener b8.
Described vertical stiffening rib 6 is vertical with transverse stiffener a7, transverse stiffener b8, transverse stiffener a7 and transverse stiffener b8 are respectively in vertical stiffening rib 6 both sides, and therein some place vertical with vertical stiffening rib 6, vertical stiffening rib 6 two ends are welded in respectively I shape shaped steel upper side frame 2, I shape shaped steel lower frame 3 contact surface places, transverse stiffener a7 two ends are welded in respectively square steel pipe 1 and vertical stiffening rib 6 contact surface places, and transverse stiffener b8 two ends are welded in respectively vertical stiffening rib 6 and end plate b5 contact surface place.
Frame column 11, Core Walls Structure 12 vertical ground and being parallel to each other respectively, end plate a4 is fixed on frame column 11, and end plate b5 is fixed on Core Walls Structure 12, and its fixed form all adopts welding manner.
Square steel pipe 1, I shape shaped steel upper side frame 2, I shape shaped steel lower frame 3, end plate a4, end plate b5, vertical stiffening rib 6, transverse stiffener a7, transverse stiffener b8, steel sheet 9, the steel sheet with circular opening 10 have formed a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall.
Described steel sheet 9 has two, and the steel sheet 10 with circular opening has two, and corresponding every steel sheet 9, the steel sheet with circular opening 10 are in same plane.
The vertical point of described vertical stiffening rib 6 is in steel sheet 9 centers.
Described transverse stiffener a7 and transverse stiffener b8 be perpendicular to vertical stiffening rib 6 midpoint, and transverse stiffener a7 and transverse stiffener b8 in the same plane, both length is identical.
The implementation method of described a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall, its step is as follows:
S1 welds square steel pipe 1 two ends respectively with I shape shaped steel upper side frame 2, I shape shaped steel lower frame 3, I shape shaped steel upper side frame 2 and I shape shaped steel lower frame 3 and end plate a4 and end plate b5 welding;
S2 is welded in its vertical mid point midline along a side of two steel sheets 9 respectively by vertical stiffening rib 6;
S3 is welded in steel sheet 9 mid point midline along the middle point vertical direction of vertical stiffening rib 6 by transverse stiffener a7, transverse stiffener b8, and transverse stiffener a7, transverse stiffener b8 are distributed in vertical stiffening rib 6 both sides, and weld with vertical stiffening rib 6;
S4 will be welded with two steel sheets 9 and square steel pipe 1, I shape shaped steel upper side frame 2, I shape shaped steel lower frame 3, end plate b5 welding of vertical stiffening rib 6, transverse stiffener a7, transverse stiffener b8;
The vertical stiffening rib 6 of S5 is with I shape shaped steel upper side frame 2, I shape shaped steel lower frame 3 in the welding of contact surface place, and transverse stiffener a7, the transverse stiffener b8 other end weld at contact surface place with square steel pipe 1, end plate b5 respectively;
S6 is the steel sheet 10 with circular opening and square steel pipe 1, I shape shaped steel upper side frame 2, I shape shaped steel lower frame 3, end plate a4 welding by two, and welding position need guarantee that the steel sheet corresponding with every 9 is in same plane;
End plate a4 and the frame column 11 of S7 semi-girder wall are weldingly connected, and end plate b5 and the Core Walls Structure 12 of semi-girder wall are weldingly connected.
The energy-dissipating and shock-absorbing double steel plate semi-girder wall that the present invention proposes can be used as the horizontal outrigger member of Super High framework-core wall structure.
Be more than an exemplary embodiments of the present invention, enforcement of the present invention is not limited to this.
Claims (5)
1. an energy-dissipating and shock-absorbing double steel plate semi-girder wall, is characterized in that: this body of wall comprises square steel pipe (1), I shape shaped steel upper side frame (2), I shape shaped steel lower frame (3), end plate a(4), end plate b(5), vertical stiffening rib (6), transverse stiffener a(7), transverse stiffener b(8), steel sheet (9), the steel sheet with circular opening (10), frame column (11), Core Walls Structure (12);
Square steel pipe (1) one end and I shape shaped steel upper side frame (2) welding, the other end and I shape shaped steel lower frame (3) welding; I shape shaped steel upper side frame (2) is parallel with I shape shaped steel lower frame (3) and length is identical, I shape shaped steel upper side frame (2) is welded on end plate a(4 with I shape shaped steel lower frame (3) one end) on, I shape shaped steel upper side frame (2) and I shape shaped steel lower frame (3) other end are welded on end plate b(5) upper, square steel pipe (1), end plate a(4), end plate b(5) parallel mutually;
Square steel pipe (1) and end plate a(4) between be welded with the steel sheet (10) with circular opening, square steel pipe (1) and end plate b(5) between be welded with steel sheet (9);
Steel sheet (9) one side is welded vertical stiffening rib (6) and transverse stiffener a(7), transverse stiffener b(8);
Described vertical stiffening rib (6) and transverse stiffener a(7), transverse stiffener b(8) vertical, transverse stiffener a(7) and transverse stiffener b(8) respectively in vertical stiffening rib (6) both sides, and therein some place vertical with vertical stiffening rib (6), vertical stiffening rib (6) two ends are welded in respectively I shape shaped steel upper side frame (2), I shape shaped steel lower frame (3) contact surface place; Transverse stiffener a(7) two ends are welded on respectively square steel pipe (1) and vertical stiffening rib (6) contact surface place, transverse stiffener b(8) two ends are welded on respectively vertical stiffening rib (6) and end plate b(5) contact surface place;
Frame column (11), Core Walls Structure (12) vertical ground and being parallel to each other respectively, end plate a(4) to be fixed on frame column (11) upper, end plate b(5) to be fixed on Core Walls Structure (12) upper, its fixed form all adopts welding manner;
Square steel pipe (1), I shape shaped steel upper side frame (2), I shape shaped steel lower frame (3), end plate a(4), end plate b(5), vertical stiffening rib (6), transverse stiffener a(7), transverse stiffener b(8), steel sheet (9), the steel sheet with circular opening (10) formed a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall.
2. an implementation method for energy-dissipating and shock-absorbing double steel plate semi-girder wall, is characterized in that: its step is as follows,
S1 welds square steel pipe (1) two ends respectively with I shape shaped steel upper side frame (2), I shape shaped steel lower frame (3), I shape shaped steel upper side frame (2) and I shape shaped steel lower frame (3) and end plate a(4) and end plate b(5) welding;
S2 is welded in its vertical mid point midline along a side of two steel sheets (9) respectively by vertical stiffening rib (6);
S3 along the middle point vertical direction of vertical stiffening rib (6) by transverse stiffener a(7), transverse stiffener b(8) be welded in steel sheet (9) mid point midline, transverse stiffener a(7), transverse stiffener b(8) be distributed in vertical stiffening rib (6) both sides, and weld with vertical stiffening rib (6);
S4 will be welded with vertical stiffening rib (6), transverse stiffener a(7), transverse stiffener b(8) two steel sheets (9) and square steel pipe (1), I shape shaped steel upper side frame (2), I shape shaped steel lower frame (3), end plate b(5) welding;
The vertical stiffening rib of S5 (6) and I shape shaped steel upper side frame (2), I shape shaped steel lower frame (3) are at the welding of contact surface place, transverse stiffener a(7), transverse stiffener b(8) other end respectively with square steel pipe (1), end plate b(5) at contact surface place, weld;
S6 is the steel sheet (10) with circular opening and square steel pipe (1), I shape shaped steel upper side frame (2), I shape shaped steel lower frame (3), end plate a(4 by two) welding, welding position need be guaranteed with corresponding every steel sheet (9) in same plane;
The end plate a(4 of S7 semi-girder wall) be weldingly connected with frame column (11), the end plate b(5 of semi-girder wall) be weldingly connected with Core Walls Structure (12).
3. a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall according to claim 1, it is characterized in that: described steel sheet (9) has two, steel sheet (10) with circular opening has two, and every corresponding steel sheet (9), the steel sheet with circular opening (10) are in same plane.
4. a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall according to claim 1, is characterized in that: the vertical point of described vertical stiffening rib (6) is in steel sheet (9) center.
5. a kind of energy-dissipating and shock-absorbing double steel plate semi-girder wall according to claim 1, it is characterized in that: described transverse stiffener a(7) and transverse stiffener b(8) perpendicular to vertical stiffening rib (6) midpoint, and transverse stiffener a(7) and transverse stiffener b(8) in the same plane, both length is identical.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366366A (en) * | 2017-08-31 | 2017-11-21 | 清华大学 | Sacrificial power consumption semi-girder trussing |
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