CN103821265A - Self-resetting energy dissipation node for externally hung aerated concrete wallboard and construction method thereof - Google Patents
Self-resetting energy dissipation node for externally hung aerated concrete wallboard and construction method thereof Download PDFInfo
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- CN103821265A CN103821265A CN201410073418.5A CN201410073418A CN103821265A CN 103821265 A CN103821265 A CN 103821265A CN 201410073418 A CN201410073418 A CN 201410073418A CN 103821265 A CN103821265 A CN 103821265A
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Abstract
The invention discloses a self-resetting energy dissipation node for an externally hung aerated concrete wallboard and a construction method thereof. The node comprises a steel hoop ring and connectors, wherein the steel hoop ring is annularly sleeved on inner and outer surfaces of the externally hung aerated concrete wallboard and is tightly hooped on the externally hung aerated concrete wallboard, so as to form an integrated body; the two connectors are respectively fixed on the upper part and the lower part of the surface of the steel hoop ring facing to the indoor side; each of the connectors is provided with a horizontal part and a vertical part which are vertical to each other; the vertical part is fixed with the steel hoop ring; a long slot which is parallel to the vertical part is arranged on the horizontal part; a connecting bolt passes through the long slot so as to fix each of the connectors on the opposite sides of two adjacent frame beams of a building. According to the invention, the steel hoop ring is utilized to clamp and fix the externally hung aerated concrete wallboard, so that the stress set damage to an aerated concrete wall caused by punching and embedding methods is effectively avoided. In an earthquake, the externally hung aerated concrete wallboard can freely slide following the interlayer deformation, so that the earthquake energy is consumed, the connecting node is difficult to damage and the earthquake resistance is better.
Description
Technical field
The present invention relates to gas concrete out-hung panel, be specifically related to Self-resetting energy dissipation node and the construction method of gas concrete out-hung panel.
Background technology
Precast wall body structure, compared with masonry walls wall body structure, has good integrity, and structure is light, can increase the effective usable floor area of building, reduces situ wet operation, reduces the advantages such as cost of labor, particularly can the reduction of erection time, improve labor productivity.Therefore, precast wall body is wall reform, improves one of important channel of industrialization of construction industry level.
Along with the fast development of China's high level, super highrise building and going deep into of wall reform, gas concrete out-hung panel is widely used in industrial construction and civilian construction.Steam-pressing aero-concrete is a kind of porous light concrete, it is to be main raw material(s) by siliceous material and calcareous material, a kind of New Building Materials that add appropriate blowing agent steam press maintenance to form, comparing other materials has from heavy and light, intensity is higher, the advantages such as modulus of elasticity is little, good heat insulating.
Although out-hung panel is as nonload bearing element in constructure body structure, it still has material impact to the stress performance of constructure body structure.Especially under geological process, plug-in wall likely can come off, and collapses, thereby causes serious earthquake.China is one of country that earthquake disaster is the most serious in the world, and 80% big and medium-sized cities are in the district that provides fortification against earthquakes, and therefore anti-seismic performance is that out-hung panel must not an irrespective key factor.Gas concrete out-hung panel adopts connected node to be connected with constructure body structure conventionally.Connected node is an important component part of precast wall body, its effect is between out-hung panel and constructure body structure, to connect into entirety transmission internal force, and principal mode has steel pipe anchor node, HDR reinforcing bar anchor node, tiltedly handle connected node, gib headed bolt node etc.These connected modes conventionally need to be punched or hole on gas concrete, easily cause the damage of aerated concrete wall and stress to concentrate.Gas concrete anti-shear performance is poor, the mode of failure of aerated concrete wall concentrated punching failure or the shear failure causing of connected node place stress often under larger stratified deformation condition, cause out-hung panel easily directly to come off and cause major disaster in seismic process, and node cannot be repaired.
In sum, there is certain defect in the connected mode of now widely used gas concrete out-hung panel and constructure body structure, limited the application of aerated concrete wall in opening in high-rise residential buildings.Therefore be necessary to design a kind of novel connected node, overcome the technical disadvantages in existing aerated concrete wall connection procedure.
Summary of the invention
Technical problem to be solved by this invention is that the connected node that connects gas concrete out-hung panel and constructure body structure easily destroys, the problem that anti-seismic performance is poor.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is to provide the Self-resetting energy dissipation node of the plug-in wall of a kind of gas concrete, comprising:
Stirrup circle, the inside and outside surface of ring set gas concrete out-hung panel arranges, and lock ring gas concrete out-hung panel, increases the overall performance of aerated concrete wall;
Two connectors, be separately fixed at described stirrup circle on the surface of indoor, described connector lays respectively at the upper and lower of described stirrup circle, described connector has orthogonal horizontal part and vertical portion, described vertical portion and described stirrup circle are fixed, described horizontal part is provided with a slotted hole parallel with vertical portion, and connecting bolt is fixed on described connector on the opposite face of adjacent two Vierendeel girders of building through described slotted hole.
In above-mentioned Self-resetting energy dissipation node, in described slotted hole, be provided with two elastic dissipation energy elements, two described elastic dissipation energy elements are fixed with the inwall at described connecting bolt and described slotted hole two ends respectively.
In above-mentioned Self-resetting energy dissipation node, described connector is angle steel.
In above-mentioned Self-resetting energy dissipation node, described elastic dissipation energy element is spring assembly.
In above-mentioned Self-resetting energy dissipation node, described stirrup circle is the circulus that batten is bent to form, two free end is at joint two mounting plates that are oppositely arranged of outward formation respectively, described mounting plate is provided with the relative through hole that runs through, described circulus ring set, on the inside and outside surface of gas concrete out-hung panel, clamps gas concrete out-hung panel by fastening bolt by stirrup circle and forms an entirety.
The present invention also provides a kind of construction method of gas concrete out-hung panel, comprises the following steps:
The inside and outside surface of stirrup ring cover gas concrete out-hung panel is arranged, and lock ring gas concrete out-hung panel forms an entirety;
Be welded and fixed respectively a connector at described stirrup circle towards the surperficial upper and lower of indoor, described connector has orthogonal horizontal part and vertical portion, described vertical portion and described stirrup circle are fixed, and described horizontal part is provided with a slotted hole parallel with vertical portion;
Utilizing connecting bolt to pass described slotted hole is fixed on described connector on the opposite face of adjacent two Vierendeel girders of building.
In above-mentioned construction method, in described slotted hole, be respectively equipped with two elastic dissipation energy elements, two described flexible members are fixed with the inwall at described connecting bolt and described slotted hole two ends respectively.
The present invention, utilizes the stirrup circle gas concrete out-hung panel that is fixedly clamped, and the pre-buried iso-stress of effectively avoiding punching is concentrated and destroyed, and stirrup circle has increased the overall performance of aerated concrete wall; The utilization of gas concrete out-hung panel is fixed in building body pillar structure through the connecting bolt of the slotted hole on connector, can be considered " flexibly connecting " and has power consumption function, and therefore connected node is not easy to destroy, good seismic performance.
In addition, in slotted hole, be provided with two elastic dissipation energy elements and form Self-resetting energy-dissipating device, when the load of gas concrete out-hung panel is effectively delivered to agent structure, in seismic process, Self-resetting energy-dissipating device can be coordinated the impact of stratified deformation on plug-in aerated concrete wall in the time that structure has larger relative storey displacement, dissipation agent structure is delivered to the seismic energy of body of wall, and after shake, realize automatically reseting of body of wall, do not need renewal part, can meet next use, save cost.
Accompanying drawing explanation
Fig. 1 is the Self-resetting energy dissipation node structural representation of gas concrete out-hung panel in the present invention;
Fig. 2 is the schematic diagram of upper connector in the present invention;
Fig. 3 is the scheme of installation of gas concrete out-hung panel in the present invention;
Fig. 4 is the structural representation of stirrup circle in the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1, the Self-resetting energy dissipation node of gas concrete out-hung panel provided by the invention, comprises stirrup circle 10, upper and lower connector 20,30 and two connecting bolts 40.
The inside and outside surface of stirrup circle 10 ring set gas concrete out-hung panels 50 arranges, and lock ring gas concrete out-hung panel 50 forms an entirety;
Upper and lower connector 20,30 is separately fixed at stirrup circle 10 on the surface of indoor, and upper and lower connector 20,30 lays respectively at the upper and lower of stirrup circle 10.
As shown in Figure 2, upper and lower connector 20,30 structures are identical, and take upper connector 20 as example, upper connector 20 has orthogonal horizontal part 21 and vertical portion 22, and vertical portion 22 is fixing with stirrup circle 10, and horizontal part 21 is provided with a slotted hole 23 parallel with vertical portion.
The position of upper connector 20 is corresponding with the upper strata Vierendeel girder 51 of building, the position of lower connector 30 is corresponding with lower floor's Vierendeel girder 52 of building, and connecting bolt 40 is separately fixed at upper and lower connector 20,30 on the bottom surface and end face of upper and lower layer Vierendeel girder 51,52 of building through corresponding slotted hole.Specifically, be fixed on the bottom surface of upper strata Vierendeel girder 51 through the slotted hole on upper connector 20 by connecting bolt 40, be fixed on the end face of lower floor's Vierendeel girder 52 through the slotted hole on lower connector 30 by connecting bolt 40.Upper and lower connector 20,30 is provided with certain distance (half of Vierendeel girder height) apart from the upper and lower edge of gas concrete out-hung panel 50, to guarantee the perfection docking of upper and lower layer gas concrete out-hung panel, after docking, between upper and lower layer gas concrete out-hung panel, gap is very little.
As shown in Figure 3, in order to realize the auto-reset function of Self-resetting energy dissipation node, be provided with two flexible members 41 and form Self-resetting energy-dissipating device in slotted hole, two flexible members 41 are fixed with the inwall at connecting bolt 40 and slotted hole two ends respectively.
In the present embodiment, what upper and lower connector 20,30 all adopted is angle steel, and what flexible member 41 adopted is spring, and gas concrete out-hung panel 50 is longitudinally installed.
As shown in Figure 4, stirrup circle 10 is the circulus 11 that a batten is bent to form, two free end joint respectively outward form two be oppositely arranged first, the second mounting plate 12, 13, first, the second mounting plate 12, 13 are provided with the relative through hole 14 that runs through, circulus 11 ring sets are in gas concrete out-hung panel 40, on external surface, by fastening bolton first, the second mounting plate 12, 13, make stirrup circle 10 clamp gas concrete out-hung panel 40 and form an entirety, guarantee that stirrup circle 10 can not come off, increase the overall performance of gas concrete out-hung panel.
Wherein, the first mounting plate 12 is provided with many rows and runs through through hole 14, the second mounting plate 13 is provided with a row and runs through through hole 14, be fixed by the through hole that runs through of selecting different rows on first, second mounting plate 12,13, realize stirrup circle 10 grade adjustable ground that has of gas concrete out-hung panel is applied to fastening force.
In the present invention, utilize stirrup circle 10 to clamp gas concrete out-hung panel 40, the pre-buried iso-stress of can effectively avoiding punching is concentrated and the destruction of generation, and can lift gas concrete out-hung panel by stirrup circle or move, and greatly facilitates construction.
Connecting bolt 40 is fixed on upper and lower connector 20,30 in the agent structure of building (relevant position on constructure body structure arranges built-in fitting), because connecting bolt 40 can slide along slotted hole 23 under the effect of certain external force, therefore, can be considered " flexibly connecting " and have fraction power consumption function, 20,30 of upper and lower connectors are born horizontal direction load and are not born vertical load.When the load of gas concrete out-hung panel 50 is effectively delivered to agent structure carrying by upper and lower connector 20,30, can also coordinate agent structure relative storey displacement and become.Vertical component effect and the gas concrete out-hung panel 50 of upper and lower connector 20,30 are fixed together, and in coming earthquake, gas concrete out-hung panel 50 can be free to slide, and produce friction when slip, consume part seismic energy.
Utilize the method for above-mentioned Self-resetting energy dissipation node construction gas concrete out-hung panel as follows:
First the inside and outside surface of stirrup circle 10 ring set gas concrete out-hung panels 50 is arranged, and lock ring gas concrete out-hung panel 50 forms an entirety;
Stirrup circle 10 is welded and fixed respectively a connector (hot rolling equal angle steel of ∠ 100mm × 100mm × 10mm) towards the surperficial upper and lower of indoor, wherein, angle steel gets out the slotted hole of 60mm × 14mm in advance on a side, then another side of angle steel and stirrup lap welding is connected together;
Stirrup circle 10 internal orifices long for 600mm, wide be 120mm, the high 300mm of being, stirrup circle 10 thickness are 10mm, the welding procedure adopting is melting welding, in welding process, angle steel interface is heated to molten state, cooling rear formation continuous weld and two workpiece are connected in one, guarantees the bulk strength of angle steel and stirrup circle 10 and stable.
What gas concrete out-hung panel 50 adopted is the gas concrete out-hung panel that is of a size of the A2.5 intensity of 600mm × 300mm × 1500mm; connecting bolt 40 is M15mm × 30mm; this node can planar produce slippage; in the time that load is excessive, connector can produce slippage protection gas concrete out-hung panel.
In slotted hole 20, be provided with the Self-resetting energy-dissipating device that two spring assemblies form, one end and the connecting bolt of spring assembly are fixed, the sidewall at the other end and slotted hole two ends is fixed, like this in the time of earthquake due to the power consumption of spring assembly, thereby the destruction that can reduce the seismic energy that is delivered to gas concrete out-hung panel and avoid gas concrete out-hung panel.After shake, due to the return action of spring assembly, force the gas concrete out-hung panel " waving " in earthquake to automatically reset.
Stirrup circle should spray fire resisting paint and carry out conservation treatment.
Scheme provided by the invention, has following significant advantage:
(1) can realize easily the connection of gas concrete out-hung panel, and in the time of earthquake, there is larger relative storey displacement value, protect plug-in aerated concrete wall not destroyed in the time of earthquake.
(2) stirrup circle can retrain aerated concrete wall, increases the overall performance of body of wall, makes aerated concrete wall stress performance more reasonable; Can carry out by stirrup circle lifting or the movement of body of wall, constructability lifting, the reduction of erection time, is applicable to the popularization of industrialized house.
(3), when earthquake, due to the distortion of Self-resetting energy-dissipating device, thereby can reduce the energy that is delivered to body of wall and avoided the damage of body of wall.After shake, due to the return action of spring assembly, force the gas concrete out-hung panel " waving " in earthquake to automatically reset.
(4) do not need renewal part, can meet next use, save cost.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, within all falling into protection scope of the present invention.
Claims (7)
1. the Self-resetting energy dissipation node of gas concrete out-hung panel, is characterized in that, comprising:
Stirrup circle, the inside and outside surface of ring set gas concrete out-hung panel arranges, and lock ring gas concrete out-hung panel;
Two connectors, be separately fixed at described stirrup circle on the surface of indoor, connector lays respectively at the upper and lower of stirrup circle, described connector has orthogonal horizontal part and vertical portion, described vertical portion and described stirrup circle are fixed, described horizontal part is provided with a slotted hole parallel with vertical portion, and connecting bolt is fixed on described connector on the opposite face of adjacent two Vierendeel girders of building through described slotted hole.
2. Self-resetting energy dissipation node as claimed in claim 1, is characterized in that, is provided with two elastic dissipation energy elements in described slotted hole, and two described elastic dissipation energy elements are fixed with the inwall at described connecting bolt and described slotted hole two ends respectively.
3. Self-resetting energy dissipation node as claimed in claim 1, is characterized in that, described connector is angle steel.
4. Self-resetting energy dissipation node as claimed in claim 2, is characterized in that, described elastic dissipation energy element is spring assembly.
5. Self-resetting energy dissipation node as claimed in claim 1, it is characterized in that, described stirrup circle is the circulus that batten is bent to form, two free end is at joint two mounting plates that are oppositely arranged of outward formation respectively, described mounting plate is provided with the relative through hole that runs through, described circulus ring set, on the inside and outside surface of gas concrete out-hung panel, by fastening bolton mounting plate, clamps gas concrete out-hung panel by stirrup circle and forms an entirety.
6. the construction method of gas concrete out-hung panel, is characterized in that, comprises the following steps:
The inside and outside surface of stirrup ring cover gas concrete out-hung panel is arranged, and lock ring gas concrete out-hung panel forms an entirety;
Be welded and fixed respectively a connector at described stirrup circle towards the surperficial upper and lower of indoor, described connector has orthogonal horizontal part and vertical portion, described vertical portion and described stirrup circle are fixed, and described horizontal part is provided with a slotted hole parallel with vertical portion;
Utilizing connecting bolt to pass described slotted hole is fixed on described connector on the opposite face of adjacent two Vierendeel girders of building.
7. construction method as claimed in claim 6, is characterized in that, is provided with two elastic dissipation energy elements in described slotted hole, and two described elastic dissipation energy elements are fixed with the inwall at described connecting bolt and described slotted hole two ends respectively.
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| CN201410073418.5A CN103821265B (en) | 2014-02-28 | 2014-02-28 | The Self-resetting energy dissipation node of gas concrete out-hung panel and construction method thereof |
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| CN201410073418.5A CN103821265B (en) | 2014-02-28 | 2014-02-28 | The Self-resetting energy dissipation node of gas concrete out-hung panel and construction method thereof |
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| CN103821265B CN103821265B (en) | 2015-12-02 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106065698A (en) * | 2016-07-21 | 2016-11-02 | 中清大科技股份有限公司 | The connecting structure of out-hung panel and structure and assembly method thereof |
| CN107338887A (en) * | 2017-07-18 | 2017-11-10 | 吉林建筑大学 | Only have the connection method of flat out of plane constraint and upper connecting node at the top of out-hung panel |
| CN108442579A (en) * | 2018-04-16 | 2018-08-24 | 郑州中誉佳联实业有限公司 | A kind of plug-in prefabricated panel sliding node structure of assembled wall and installation method |
| CN109826321A (en) * | 2019-02-01 | 2019-05-31 | 中国矿业大学 | A kind of self-resetting method of frame-stressed-skin construction temperature Self-resetting node |
| CN109826322A (en) * | 2019-02-01 | 2019-05-31 | 中国矿业大学 | A kind of frame-stressed-skin construction temperature Self-resetting node |
| CN110512772A (en) * | 2019-09-26 | 2019-11-29 | 远大住宅工业（天津）有限公司 | The connecting node of out-hung panel and beam |
| CN112127515A (en) * | 2020-08-24 | 2020-12-25 | 扬州大学 | Connecting device for precast concrete external wall panels |
| CN112196094A (en) * | 2020-09-27 | 2021-01-08 | 安徽省建筑设计研究总院股份有限公司 | Wallboard, energy consumption node for connecting wallboard and frame beam and wallboard assembling method |
| CN112709337A (en) * | 2021-01-06 | 2021-04-27 | 合肥工业大学 | Energy-consumption connecting node, prefabricated wallboard mounting structure and mounting method |
| CN114108831A (en) * | 2021-11-17 | 2022-03-01 | 中国航空规划设计研究总院有限公司 | Connection node of assembled external wall panel and installation and design method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065698A (en) * | 2016-07-21 | 2016-11-02 | 中清大科技股份有限公司 | The connecting structure of out-hung panel and structure and assembly method thereof |
| CN107338887A (en) * | 2017-07-18 | 2017-11-10 | 吉林建筑大学 | Only have the connection method of flat out of plane constraint and upper connecting node at the top of out-hung panel |
| CN108442579A (en) * | 2018-04-16 | 2018-08-24 | 郑州中誉佳联实业有限公司 | A kind of plug-in prefabricated panel sliding node structure of assembled wall and installation method |
| CN108442579B (en) * | 2018-04-16 | 2023-05-16 | 郑州中誉佳联实业有限公司 | Sliding node structure of prefabricated wall panel hung outside assembled wall body and installation method |
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| CN109826322A (en) * | 2019-02-01 | 2019-05-31 | 中国矿业大学 | A kind of frame-stressed-skin construction temperature Self-resetting node |
| CN109826322B (en) * | 2019-02-01 | 2020-06-05 | 中国矿业大学 | Frame-skin structure temperature self-resetting node |
| CN109826321A (en) * | 2019-02-01 | 2019-05-31 | 中国矿业大学 | A kind of self-resetting method of frame-stressed-skin construction temperature Self-resetting node |
| CN110512772A (en) * | 2019-09-26 | 2019-11-29 | 远大住宅工业（天津）有限公司 | The connecting node of out-hung panel and beam |
| CN112127515A (en) * | 2020-08-24 | 2020-12-25 | 扬州大学 | Connecting device for precast concrete external wall panels |
| CN112196094A (en) * | 2020-09-27 | 2021-01-08 | 安徽省建筑设计研究总院股份有限公司 | Wallboard, energy consumption node for connecting wallboard and frame beam and wallboard assembling method |
| CN112709337A (en) * | 2021-01-06 | 2021-04-27 | 合肥工业大学 | Energy-consumption connecting node, prefabricated wallboard mounting structure and mounting method |
| CN114108831A (en) * | 2021-11-17 | 2022-03-01 | 中国航空规划设计研究总院有限公司 | Connection node of assembled external wall panel and installation and design method thereof |
| CN114108831B (en) * | 2021-11-17 | 2023-09-22 | 中国航空规划设计研究总院有限公司 | Connecting node of assembled external wall panel and installation and design method thereof |
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