CN104912226A - Assembly type steel structure self-return module based on slotting steel plate shear wall energy consumption - Google Patents
Assembly type steel structure self-return module based on slotting steel plate shear wall energy consumption Download PDFInfo
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- CN104912226A CN104912226A CN201510310049.1A CN201510310049A CN104912226A CN 104912226 A CN104912226 A CN 104912226A CN 201510310049 A CN201510310049 A CN 201510310049A CN 104912226 A CN104912226 A CN 104912226A
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Abstract
The invention discloses an assembly type steel structure self-return module based on slotting steel plate shear wall energy consumption. The module comprises vertical edge components, transverse guide components, connecting components and a slotting steel plate shear wall, wherein multiple post-tensioned prestressed steel strands are arranged along the two transverse edge components, and are anchored at the outer side wing edges of the two vertical edge components to form a prestressed frame; and the connecting components are arranged at the two ends of the slotting steel plate shear wall in the prestressed frame, and are connected with the transverse edge components through high-strength bolts. The module can simplify the construction process and improve the industrial degree; and the structure is returned to the normal position through the prestressed steel strands after major earthquake, and the slotting steel plate shear wall is not required to be replaced, so that the operation is simpler and more convenient, the structure still can be returned to the normal position without generating residual deformation after encountering the earthquake development plasticity, the maintenance time is shortened, the maintenance cost is reduced, and the module is put into the use target as soon as possible.
Description
Technical field
The invention belongs to earthquake-proof construction technical field, relate to the structure based on slotted steel plate shear wall power consumption.
Background technology
In recent years, along with the fast development of economy and the propelled at high velocity of urbanization, the development of building also enters a new stage, and a collection of high level, super highrise building are rised sheer from level ground.Highrise building all meets state architectural design policy from the viewpoint of economical, applicable, attractive in appearance etc., also represents the level of economic development of countries and regions simultaneously.
The load of general action on building can be divided into vertical and horizontal loading.Along with the increase of building height, horizontal loading plays control action gradually, and therefore in Designing Structures of High Rising Buildings, the selection of Lateral Resistant System is most important.Slotted steel plate shear wall is as a kind of novel lateral resisting structure system, and compared to reinforced concrete shear wall, its deadweight is little, ductility good, Hysteresis Behavior good, anti-seismic performance is superior, speed of application is fast.
The Seismic Philosophy of China's present stage is " no damage in small earthquake; middle shake can be repaiied; no collapsing with strong earthquake ", after this Seismic Philosophy claimed structure meets with the earthquake of fortification intensity, agent structure does not have large destruction can repairing, meeting with after rarely occurred earthquake allows structure to have large destruction, but can not collapse and cause casualties.Even if but structure is not collapsed after suffering earthquake, but part important component creates larger permanent set and cannot return to original position, causes structure to be difficult to maintenance and reinforcement and is even pushed over reconstruction.
In order to realize structure after experience earthquake development plasticity, still can return to original position and there is no permanent set, thus shorten maintenance time, reduce maintenance cost and the target that comes into operation as early as possible, need to propose a kind of certain part that the plastic strain of structure can be controlled to be easy to change, afterwards by the module that prestress wire makes structure reset, and by its reasonable Arrangement in structural system.
Summary of the invention
The object of the present invention is to provide a kind of assembling type steel structure Self-resetting module based on slotted steel plate shear wall power consumption, the plastic strain of structure can be controlled, in the slotted steel plate shear wall part being easy to change, by prestress wire, structure to be resetted afterwards.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of assembling type steel structure Self-resetting module based on slotted steel plate shear wall power consumption, comprise vertical edges component, transverse edge component, connecting elements and slotted steel plate shear wall, some roads post-stress steel strand be set along two transverse edge components and be anchored at the outer side wing edge of two vertical edges components, making it formation prestressed frame; Inner at prestressed frame, slotted steel plate shear wall two ends arrange connecting elements, and are connected with transverse edge component by high-strength bolt.
Further, its end of described vertical edges component arranges transverse stiffener.
Described its end of transverse edge component arranges transverse stiffener, end plate and cover plate.
The plastic strain of Self-resetting module is made to occur in slotted steel plate shear wall part by slotted steel plate shear wall power consumption when described slotted steel plate shear wall being offered some perps to guarantee that large shake occurs.
Between the spacing between described perps, perps, the depth-width ratio of column lath and flakiness ratio are determined according to following requirement: the rigidity of slotted steel plate shear wall under Lateral Force, bearing capacity, ductility and Hysteresis Behavior are changed.
Described perps end is provided with circular arc transition and concentrates impact to reduce stress.
Described slotted steel plate shear wall is provided with edge stiffening rib and in loading process, produces flexing to prevent slotted steel plate shear wall dual-side too early.
The end plate of described transverse edge component and the frange plate surface of vertical edges component are provided with frictional contact surface, and described frictional contact surface is formed through processing modes such as sandblastings, the anti-slip coefficient of its rubbing surface: for Q345 steel, must >=0.4.
Described high-strength bolt is high strength bolt; Further, selectable intensity grade is 10.9s; Further, optional specification is M16 ~ M30, determines according to specific needs.
The pretension of described post-stress steel strand is determined according to following requirement: 30%-50% of prestress wire ultimate bearing capacity, and selects suitable ground tackle anchoring.
Owing to adopting technique scheme, the present invention has following beneficial effect:
The connection of all components all adopts high strength bolt to connect, and simplifies construction technology, saves construction cost; Same element type cross-sectional shape size is no more than 3 kinds, and limiting member kind, improves industrialization degree, and integration degree is high; Agent structure bean column node is hinged, thus simplifies method for designing; Self-resetting module containing slotted steel plate shear wall is set in agent structure, horizontal force major part is born (prestressed frame of Self-resetting module also can bear horizontal force) by slotted steel plate shear wall, thus make agent structure post only bear vertical load, and effectively reduce column section area; By the adjustment of perps size on steel plate, the rigidity of slotted steel plate shear wall under Lateral Force, bearing capacity, ductility and Hysteresis Behavior are changed, and this property can facilitate engineer to carry out the adjustment of the different piece rigidity of structure when structure design; Slotted steel plate shear wall only both sides is connected with prestressed frame, can between a span centre step-by-step arrangement, be conducive to the layout in door and window, passageway; Under large shake effect, slotted steel plate shear wall surrender produces comparatively large plastometric set, and prestressed frame still has certain anti-side rigidity, and therefore module can ensure that structure has two defence lines, road.Structure recovery original position is made by prestress wire after large shake, and only need to change slotted steel plate shear wall, more simple and convenient, thus realize structure after experience earthquake development plasticity, still can return to original position and there is no permanent set, shorten maintenance time, reduce maintenance cost and the target come into operation as early as possible.
Accompanying drawing explanation
Fig. 1 is the positive elevational schematic view of Self-resetting module of the embodiment of the present invention.
Fig. 2 is the Self-resetting module side elevational schematic view of the embodiment of the present invention.
Fig. 3 is the Self-resetting module flat schematic diagram of the embodiment of the present invention.
Fig. 4 is transverse edge component and vertical edges component node connection diagram in the Self-resetting module of the embodiment of the present invention.
Fig. 5 A is one of slotted steel plate shear wall and connecting elements node connection diagram in the Self-resetting module of the embodiment of the present invention.
Fig. 5 B is slotted steel plate shear wall and connecting elements node connection diagram two in the Self-resetting module of the embodiment of the present invention.
Fig. 6 is the organigram of a certain example of slotted steel plate shear wall of the embodiment of the present invention.
Fig. 7 is the example of Self-resetting module arrangement in certain structural system of the embodiment of the present invention.
Number in the figure: 1 is vertical edges component (VBE), 2 is transverse edge component (HBE), 3 is connecting elements, 4 is slotted steel plate shear wall, 5 is post-stress steel strand, 6 is slotted steel plate shear wall edge stiffening rib, 7 is connecting elements high-strength bolt, 8 is transverse edge component ends transverse stiffener, 9 is transverse edge component end plate, 10 is transverse edge component cover plate, 11 is vertical edges component ends transverse stiffener, 12 is slotted steel plate shear wall perps, 13 is post, 14 is beam, 15 is beam-column connection, 16 is Self-resetting module, based on 17, 18 is beam-ends high-strength bolt, 19 is beam transverse stiffener.
Detailed description of the invention
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is further illustrated.
Embodiment 1: as shown in Figure 1, 2, 3, a kind of assembling type steel structure Self-resetting module based on slotted steel plate shear wall power consumption, comprise two vertical edges components, 1, two transverse edge components, 2, two connecting elementss 3 and a slotted steel plate shear wall 4, some roads post-stress steel strand 5 be set along two transverse edge components 2 and be anchored at the outer side wing edge of two vertical edges components 1, making it formation prestressed frame; Inner at prestressed frame, slotted steel plate shear wall 4 two ends arrange two connecting elementss 3, and are connected with transverse edge component 2 by high-strength bolt.
Described its end of vertical edges component 1 arranges transverse stiffener 11 respectively, to prevent Plate local buckling, improves element mechanics performance.
Described its end of transverse edge component 2 arranges transverse stiffener 8, end plate 9 and cover plate 10 respectively, to prevent Plate local buckling, improves element mechanics performance.
Described slotted steel plate shear wall 4 is selected the steel of suitable specification, wood property and is offered some perps 12, makes the plastic strain of Self-resetting module occur in slotted steel plate shear wall part when guaranteeing that large shake occurs by slotted steel plate shear wall power consumption.
Described slotted steel plate shear wall 4 arranges edge stiffening rib 6, prevents slotted steel plate shear wall dual-side from loading process, producing flexing too early.
In Self-resetting slotted steel plate shear wall module, transverse edge component is connected with vertical edges component node as shown in Figure 4, some roads post-stress steel strand 5 be set along transverse edge component 2 and be anchored at the outer side wing edge of vertical edges component 1, making it formation prestressed frame.The end plate 9 of transverse edge component 2 and the inboard wing listrium surface of vertical edges component 1 are provided with frictional contact surface.
Frictional contact surface described in the present invention is formed through processing modes such as sandblastings, the anti-slip coefficient of its rubbing surface: for Q345 steel, must >=0.4.
Transverse edge component 2 is connected with agent structure beam 14 edge of a wing by high-strength bolt 18.The high-strength bolt that each place of the present invention uses is high strength bolt, and strength grade is 10.9s, and specification is that M16 ~ M30 situation everywhere of looking is selected.
As shown in Fig. 5 A, 5B, a certain node connection diagram of slotted steel plate shear wall and transverse edge component in Self-resetting module, slotted steel plate shear wall 4 two ends arrange connecting elements 3, and adopt high-strength bolt 7 to be connected with transverse edge component 2.According to Practical Project situation needs, slotted steel plate shear wall 4 two ends also can arrange other connector forms such as angle steel, cover plate and be connected with transverse edge component; In addition also twice slotted steel plate shear wall 4 can be set, and be connected with vertical edges component by connector, thus reserve architectural space to door and window etc.
As a certain example constructions of Fig. 6 slotted steel plate shear wall 4, this example slotted steel plate shear wall offers three row's perps 12, and monoblock steel plate partition is become a series of column lath.Actually can adjust perps row, perps spacing, the depth-width ratio of column lath and flakiness ratio according to engineering demand, column slat type under horizontal loads is equally worked like by curved pillar, thus the distortion of wallboard is converted into bending by shearing, improve ductility and energy dissipation capacity with this.In addition, perps end arranges circular arc transition and concentrates impact to reduce stress.
The example of Self-resetting module arrangement in certain structural system as shown in Figure 7, this every layer, structure is all arranged together containing the Self-resetting module of slotted steel plate shear wall.By the adjustment of perps size on steel plate, the rigidity of slotted steel plate shear wall under Lateral Force, bearing capacity, ductility and Hysteresis Behavior are changed, and this property can facilitate engineer to carry out the adjustment of the different piece rigidity of structure when structure design; Slotted steel plate shear wall only both sides is connected with prestressed frame, can between a span centre step-by-step arrangement, be conducive to the layout in door and window, passageway.Under large shake effect, slotted steel plate shear wall surrender produces comparatively large plastometric set, and now prestressed frame still has lateral resistant ability, and therefore module can ensure that structure has two defence lines, road.Make structure recovery original position by prestress wire after large shake, and only need to change slotted steel plate shear wall, more simple and convenient, thus realize structure after experience earthquake development plasticity, still can return to original position and there is no permanent set, shortening maintenance time, reducing the target of maintenance cost.
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. the assembling type steel structure Self-resetting module based on slotted steel plate shear wall power consumption, comprise vertical edges component, transverse edge component, connecting elements and slotted steel plate shear wall, it is characterized in that: some roads post-stress steel strand are set along two transverse edge components and are anchored at the outer side wing edge of two vertical edges components, make it formation prestressed frame; Inner at prestressed frame, the inner side of two transverse edge components arranges two connecting elementss, and is connected with slotted steel plate shear wall by high-strength bolt.
2. Self-resetting module according to claim 1, is characterized in that: described its end of vertical edges component arranges transverse stiffener.
3. Self-resetting module according to claim 1, is characterized in that: described its end of transverse edge component arranges transverse stiffener, end plate and cover plate.
4. Self-resetting module according to claim 1, is characterized in that: make the plastic strain of Self-resetting module occur in slotted steel plate shear wall part by slotted steel plate shear wall power consumption when described slotted steel plate shear wall being offered some perps to guarantee that large shake occurs.
5. Self-resetting module according to claim 4, is characterized in that: between the spacing between described perps, perps, the depth-width ratio of column lath and flakiness ratio are determined according to following requirement: the rigidity of slotted steel plate shear wall under Lateral Force, bearing capacity, ductility and Hysteresis Behavior are changed.
6. Self-resetting module according to claim 4, is characterized in that: described perps end is provided with circular arc transition and concentrates impact to reduce stress.
7. Self-resetting module according to claim 1, is characterized in that: on described slotted steel plate shear wall, both sides are provided with edge stiffening rib and in loading process, produce flexing to prevent slotted steel plate shear wall dual-side too early.
8. Self-resetting module according to claim 1, is characterized in that: the end plate of described transverse edge component and the frange plate surface of vertical edges component are provided with frictional contact surface; Preferably, described frictional contact surface is formed through blasting treatment mode; Preferably, for anti-slip coefficient >=0.4 of its frictional contact surface of Q345 steel.
9. Self-resetting module according to claim 1, is characterized in that: described high-strength bolt is high strength bolt; Preferably, strength grade is 10.9s; Preferably, specification is M16 ~ M30.
10. Self-resetting module according to claim 1, is characterized in that: the pretension of described post-stress steel strand is determined according to following requirement: 30%-50% of prestress wire ultimate bearing capacity, and with ground tackle anchoring.
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| CN201510310049.1A CN104912226A (en) | 2015-06-08 | 2015-06-08 | Assembly type steel structure self-return module based on slotting steel plate shear wall energy consumption |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649237A (en) * | 2016-03-01 | 2016-06-08 | 天津大学 | I-shaped stiffening rib seamed steel plate shear wall |
| CN105756217A (en) * | 2016-04-19 | 2016-07-13 | 同济大学 | Steel and wood hybrid earthquake resistant wall with post-earthquake self reset function |
| CN107882202A (en) * | 2017-12-20 | 2018-04-06 | 河北工业大学 | Self-resetting mild steel damper and assembling work progress |
| CN108005268A (en) * | 2018-01-16 | 2018-05-08 | 北京汇筑建筑科技有限公司 | Oblique slotted steel plate shear wall |
| CN108468384A (en) * | 2018-04-20 | 2018-08-31 | 青岛理工大学 | Assembled self-recovery energy-consumption type frame core tube structure system |
| CN108468397A (en) * | 2018-04-20 | 2018-08-31 | 青岛理工大学 | Assembled self-recovery energy-consumption type double-steel-plate slotted shear wall structure |
| CN112411786A (en) * | 2020-11-26 | 2021-02-26 | 西安建筑科技大学 | Orthogonal waveform slotted steel plate grading energy dissipation damper with viscoelastic material |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649237A (en) * | 2016-03-01 | 2016-06-08 | 天津大学 | I-shaped stiffening rib seamed steel plate shear wall |
| CN105756217A (en) * | 2016-04-19 | 2016-07-13 | 同济大学 | Steel and wood hybrid earthquake resistant wall with post-earthquake self reset function |
| CN105756217B (en) * | 2016-04-19 | 2017-11-14 | 同济大学 | A kind of steel wood mixing seismic structural wall, earthquake resistant wall with runback bit function after shake |
| CN107882202A (en) * | 2017-12-20 | 2018-04-06 | 河北工业大学 | Self-resetting mild steel damper and assembling work progress |
| CN108005268A (en) * | 2018-01-16 | 2018-05-08 | 北京汇筑建筑科技有限公司 | Oblique slotted steel plate shear wall |
| CN108468384A (en) * | 2018-04-20 | 2018-08-31 | 青岛理工大学 | Assembled self-recovery energy-consumption type frame core tube structure system |
| CN108468397A (en) * | 2018-04-20 | 2018-08-31 | 青岛理工大学 | Assembled self-recovery energy-consumption type double-steel-plate slotted shear wall structure |
| US10895087B1 (en) | 2018-04-20 | 2021-01-19 | Qingdao university of technology | Fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure |
| CN112411786A (en) * | 2020-11-26 | 2021-02-26 | 西安建筑科技大学 | Orthogonal waveform slotted steel plate grading energy dissipation damper with viscoelastic material |
| CN112411786B (en) * | 2020-11-26 | 2021-12-07 | 西安建筑科技大学 | Orthogonal waveform slotted steel plate grading energy dissipation damper with viscoelastic material |
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Application publication date: 20150916 |