CN111851779A - Assembled lead-foamed aluminum composite material vibration reduction energy dissipation wall device - Google Patents
Assembled lead-foamed aluminum composite material vibration reduction energy dissipation wall device Download PDFInfo
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- CN111851779A CN111851779A CN202010740842.6A CN202010740842A CN111851779A CN 111851779 A CN111851779 A CN 111851779A CN 202010740842 A CN202010740842 A CN 202010740842A CN 111851779 A CN111851779 A CN 111851779A
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- China
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- composite material
- plate
- foamed aluminum
- lead
- middle sliding
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The invention discloses an assembly type lead-foamed aluminum composite material vibration reduction energy dissipation wall device, and belongs to the field of building structure vibration control. This device is including middle slip metal sheet, it is preceding, back foamed aluminum combined material board, preceding steel sheet, back steel sheet, lead core stick and split bolt, wherein, preceding foamed aluminum combined material board is located between preceding steel sheet and the middle slip metal sheet, back foamed aluminum combined material board is located between back steel sheet and the middle slip metal sheet, preceding steel sheet, it is preceding, back foamed aluminum combined material board and back steel sheet are through combining taut the connection to the split bolt, thereby make middle slip metal sheet compress tightly in preceding, between the back foamed aluminum combined material board, before lead core stick both ends imbed respectively in steel sheet and the back steel sheet, and lead core stick and middle slip metal sheet clearance fit. The energy dissipation wall device has multiple energy dissipation mechanisms, is simple in structure, completely assembled, convenient to install and maintain, and can provide a new means for vibration reduction control of a building structure.
Description
Technical Field
The invention belongs to the field of vibration control of building structures, and particularly relates to an assembly type energy dissipation wall device for vibration reduction, which can be used for reducing wind vibration and earthquake response of a building structure.
Background
In order to reduce wind vibration and earthquake response of a building structure, energy dissipation components in the form of walls are generally arranged in the building structure, so that a better energy dissipation effect is achieved. Common damping materials of the energy dissipation wall device include mild steel, viscoelastic materials, viscous damping materials and the like. However, these damping materials have only a single energy dissipation mechanism, so that the corresponding energy dissipation wall devices all have corresponding performance defects. For example, the viscoelastic material has a large temperature-frequency dependence, so that the damping force provided by the viscoelastic energy dissipation wall is difficult to meet the requirements of practical engineering.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides an assembled lead-foamed aluminum composite material vibration-damping energy-dissipation wall device which has multiple energy-dissipation mechanisms and can provide a new means for vibration-damping control of a building structure.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
an assembled lead-foamed aluminum composite material vibration-damping energy-dissipating wall device, wherein: including middle slip metal sheet, it is preceding, back foamed aluminum combined material board, preceding steel sheet, back steel sheet, lead core rod and split bolt, wherein, preceding foamed aluminum combined material board is located between preceding steel sheet and the middle slip metal sheet, back foamed aluminum combined material board is located between back steel sheet and the middle slip metal sheet, preceding steel sheet, it is preceding, back foamed aluminum combined material board and back steel sheet are through the combination tensioning connection of split bolt, thereby make middle slip metal sheet compress tightly in preceding, between the back foamed aluminum combined material board, during steel sheet and back steel sheet before lead core rod both ends imbed respectively, lead core rod and middle slip metal sheet clearance fit, and middle slip metal sheet when producing large amplitude displacement, middle slip metal sheet can touch lead core rod.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the foamed aluminum composite board is a composite material obtained by filling high molecular polymer into pores of open-cell foamed aluminum.
The yield strength of the middle sliding metal plate is greater than that of the lead core rods, the number of the lead core rods is two, the two lead core rods are respectively positioned on the left side and the right side of the middle sliding metal plate, semi-circular grooves are arranged on the left side and the right side of the middle sliding metal plate, the circle centers of the sections of the semi-circular grooves are concentric with the circle center of the section of the lead core rod, and the radius of the section of the semi-circular grooves is greater than that of the section of the lead.
Foretell preceding steel sheet lower extreme and back steel sheet lower extreme all outwards are formed with the bent plate portion, make preceding steel sheet and back steel sheet be L shape, have seted up down the fixed orifices on the bent plate portion, lower fixed orifices is used for with floorbar fixed connection.
The upper part of the middle sliding metal plate is provided with an upper fixing hole which is used for being fixedly connected with the top beam.
The lead plug penetrates the front steel plate, but does not penetrate the rear steel plate.
The middle sliding metal plate, the foamed aluminum composite material plate, the front steel plate and the rear steel plate are provided with bolt through holes which are symmetrically arranged according to the central axis of the cross section and are used for allowing split bolts to pass through, and the bolt through holes are long round holes.
The upper fixing hole of the middle sliding metal plate is connected with an upper connecting piece through a bolt, and the upper connecting piece is fixed on the top beam through a fastener; the lower fixing holes of the front steel plate and the rear steel plate are fixedly connected with the bottom beam through fasteners.
The fastener is a fixing bolt.
The invention has the following advantages:
1. the foam aluminum composite material and the lead core rod are reasonably designed together, when strong wind and small earthquake act, the displacement amplitude between the middle sliding metal plate and the foam aluminum composite material plate is small, the middle sliding metal plate is not contacted with the lead core rod, and only through the matching between the middle sliding metal plate and the foam aluminum composite material plate, the damping and energy consumption are realized; therefore, the building structure can cope with vibration disasters of different levels.
2. The foamed aluminum composite plate is a high-damping material obtained by filling a high-molecular polymer into three-dimensionally communicated open-cell foamed aluminum, so that the foamed aluminum composite plate has two energy consumption modes of visco-elastic deformation and aluminum material friction, and when the displacement amplitude is smaller, a building structure can dissipate energy by generating visco-elastic deformation between the middle sliding metal plate of the device and the foamed aluminum composite plate; when the displacement amplitude is larger, the energy can be consumed by depending on the friction performance of the aluminum material in the foamed aluminum composite material, so that the special material of the foamed aluminum composite material plate can greatly influence the energy consumption mode of the vibration-damping energy-consumption wall device, and the lead core rod is matched, so that multiple energy consumption mechanisms are obtained, the defect that the conventional vibration-damping energy-consumption wall only has a single energy consumption mechanism is effectively overcome, the building structure can resist external vibration of different levels, and the vibration resistance of the building structure is comprehensively improved.
3. Compared with the traditional vibration damping and energy dissipation wall, the device has simple structure, is completely assembled, and is convenient to install and maintain.
Drawings
FIG. 1 is a three-dimensional view of an assembled lead-foam aluminum composite vibration-damping and energy-dissipating wall device;
FIG. 2 is a side view of an assembled lead-foam aluminum composite vibration damping and dissipative wall device;
FIG. 3 is a cross-sectional view of an assembled lead-foam aluminum composite damping and dissipating wall device;
FIG. 4 is a main part view of the assembled lead-foamed aluminum composite material vibration damping and energy dissipating wall device;
FIG. 5 is a schematic view of the installation of the fabricated lead-foam aluminum composite vibration damping and energy dissipating wall device;
fig. 6 is a side view of fig. 5.
Wherein: 1 is middle slip metal sheet, 2 is foamed aluminum combined material board, and 2a is preceding foamed aluminum combined material board, and 2b is back foamed aluminum combined material board, and 3 is preceding steel sheet, and 4 is back steel sheet, and 5 is the lead core stick, and 6 are split bolt, and 7 are the bolt, and 8 are the upper junction spare, and 9 are fixing bolt, and 10 are the back timber, and 11 are the floorbar.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
An assembled lead-foamed aluminum composite material vibration-damping energy-dissipating wall device, wherein: the composite material comprises a middle sliding metal plate 1, front and rear foamed aluminum composite material plates 2a and 2b, a front steel plate 3, a rear steel plate 4, a lead core rod 5 and a split bolt 6, wherein the foamed aluminum composite material plate 2 is a composite material obtained by filling a high polymer into pores of open-cell foamed aluminum. The two ends of the lead core rod 5 are respectively embedded into the front steel plate 3 and the rear steel plate 4, the lead core rod 5 is in clearance fit with the middle sliding metal plate 1, and when the middle sliding metal plate 1 generates large-amplitude displacement, the middle sliding metal plate 1 can touch the lead core rod 5. The yield strength of the middle sliding metal plate 1 is greater than that of the lead core rods 5, the number of the lead core rods 5 is two, the two lead core rods are respectively positioned at the left side and the right side of the middle sliding metal plate 1, semi-circular arc grooves are arranged at the left side and the right side of the middle sliding metal plate 1, the circle centers of the sections of the semi-circular arc grooves are concentric with the circle center of the section of the lead core rod 5, and the section radius of the semi-circular arc grooves is greater than that of the section of. Preceding steel sheet 3 lower extreme and back steel sheet 4 lower extreme all outwards are formed with the bent plate portion, make preceding steel sheet 3 and back steel sheet 4 be L shape, have seted up down the fixed orifices on the bent plate portion, lower fixed orifices is used for with floorbar 11 fixed connection. The upper part of the middle sliding metal plate 1 is provided with an upper fixing hole which is used for being fixedly connected with the top beam 10. The lead core rod 5 penetrates the front steel plate 3, but does not penetrate the rear steel plate 4. The middle sliding metal plate 1, the foamed aluminum composite material plate 2, the front steel plate 3 and the rear steel plate 4 are provided with bolt through holes which are symmetrically arranged according to the central axis of the cross section and are used for the split bolts 6 to pass through, and the bolt through holes are long round holes. The upper fixing hole of the middle sliding metal plate 1 is connected with an upper connecting piece 8 through a bolt 7, and the upper connecting piece 8 is fixed on a top beam 10 through a fixing bolt 9; the lower fixing holes of the front steel plate 3 and the rear steel plate 4 are fixedly connected with a bottom beam 11 through fixing bolts 9.
The specific installation process is as follows: firstly, an upper connecting piece 8 is arranged on a top beam 10 through a fixing bolt 9; then, the middle sliding metal plate 1 is connected with an upper connecting piece 8 by a bolt 7; then, adjusting the positions of the front steel plate 3, the rear steel plate 4, the foamed aluminum composite material plate 2 and the middle sliding metal plate 1 to ensure that the front steel plate 3 and the rear steel plate 4 can be respectively attached to one foamed aluminum composite material plate 2, and the central axes of the sections of the front steel plate 3, the rear steel plate 4, the foamed aluminum composite material plate 2 and the middle sliding metal plate 1 are superposed; then, the foamed aluminum composite material plate 2, the front steel plate 3 and the rear steel plate 4 are connected together by a split bolt 6, and the middle sliding metal plate 1 is clamped by the front steel plate 3, the rear steel plate 4 and the foamed aluminum composite material plate 2; finally, the front steel plate 3 and the rear steel plate 4 are mounted on the bottom beam 11 through the fixing bolts 9. Therefore, when the top beam 10 and the bottom beam 11 are displaced relatively, the middle sliding metal plate 1 can be driven to slide between the two foamed aluminum composite material plates 2, so that viscoelastic deformation energy consumption of the foamed aluminum composite material plates 2 can be generated when the displacement amplitude is small, and aluminum friction energy consumption of the foamed aluminum composite material plates 2 and plastic deformation energy consumption of the lead core rod 5 can be generated when the displacement amplitude is large.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (9)
1. An assembled lead-foamed aluminum composite material vibration-damping energy-consuming wall device is characterized in that: comprises a middle sliding metal plate (1), a front foamed aluminum composite material plate (2a), a rear foamed aluminum composite material plate (2b), a front steel plate (3), a rear steel plate (4), a lead core rod (5) and split bolts (6), wherein the front foamed aluminum composite material plate (2a) is positioned between the front steel plate (3) and the middle sliding metal plate (1), the rear foamed aluminum composite material plate (2b) is positioned between the rear steel plate (4) and the middle sliding metal plate (1), the front steel plate (3), the front foamed aluminum composite material plate (2a), the rear foamed aluminum composite material plate (2b) and the rear steel plate (4) are combined and tensioned through the split bolts (6) so as to tightly press the middle sliding metal plate (1) between the front foamed aluminum composite material plate (2a) and the rear foamed aluminum composite material plate (2b), two ends of the lead core rod (5) are respectively embedded into the front steel plate (3) and the rear steel plate (4), the lead core rod (5) is in clearance fit with the middle sliding metal plate (1), and when the middle sliding metal plate (1) generates large displacement, the middle sliding metal plate (1) can touch the lead core rod (5).
2. The fabricated vibration-damping and energy-dissipating wall device made of the lead-aluminum foam composite material as claimed in claim 1, wherein: the front foamed aluminum composite material plate (2a) and the rear foamed aluminum composite material plate (2b) are both made of composite materials obtained by filling high molecular polymers into the pores of open-cell foamed aluminum.
3. The fabricated vibration-damping and energy-dissipating wall device made of the lead-aluminum foam composite material as claimed in claim 2, wherein: the yield strength of the middle sliding metal plate (1) is greater than that of the lead core rods (5), the number of the lead core rods (5) is two, the two lead core rods are respectively positioned at the left side and the right side of the middle sliding metal plate (1), semi-arc grooves are formed in the left side and the right side of the middle sliding metal plate (1), the circle centers of the sections of the semi-arc grooves are concentric with the circle center of the section of the lead core rod (5), and the section radius of each semi-arc groove is greater than that of the section of the lead core rod (5).
4. The fabricated vibration-damping and energy-dissipating wall device made of the lead-aluminum foam composite material as claimed in claim 3, wherein: preceding steel sheet (3) lower extreme and back steel sheet (4) lower extreme all outwards be formed with bent plate portion, make preceding steel sheet (3) and back steel sheet (4) be L shape, seted up down the fixed orifices on the bent plate portion, lower fixed orifices be used for with floorbar (11) fixed connection.
5. The fabricated lead-aluminum foam composite damping and dissipating wall device as set forth in claim 4, wherein: the upper part of the middle sliding metal plate (1) is provided with an upper fixing hole, and the upper fixing hole is used for being fixedly connected with the top beam (10).
6. The fabricated lead-aluminum foam composite damping and dissipating wall device as set forth in claim 5, wherein: the lead core rod (5) penetrates through the front steel plate (3) and penetrates into but not through the rear steel plate (4).
7. The fabricated lead-aluminum foam composite damping and dissipating wall device as set forth in claim 6, wherein: the middle sliding metal plate (1), the front foamed aluminum composite material plate (2a), the rear foamed aluminum composite material plate (2b), the front steel plate (3) and the rear steel plate (4) are provided with bolt through holes which are symmetrically arranged according to the central axis of the cross section and are used for the split bolts (6) to pass through, and the bolt through holes are long round holes.
8. The fabricated vibration-damping and energy-dissipating wall device made of lead-aluminum foam composite material as claimed in claim 7, wherein: the upper fixing hole of the middle sliding metal plate (1) is connected with an upper connecting piece (8) through a bolt (7), and the upper connecting piece (8) is fixed on a top beam (10) through a fastener; the lower fixing holes of the front steel plate (3) and the rear steel plate (4) are fixedly connected with the bottom beam (11) through fasteners.
9. The fabricated vibration-damping and energy-dissipating wall device made of lead-aluminum foam composite material as claimed in claim 8, wherein: the fastener is a fixing bolt (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010740842.6A CN111851779B (en) | 2020-07-29 | 2020-07-29 | Assembled lead-foamed aluminum composite material vibration reduction energy dissipation wall device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010740842.6A CN111851779B (en) | 2020-07-29 | 2020-07-29 | Assembled lead-foamed aluminum composite material vibration reduction energy dissipation wall device |
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| Publication Number | Publication Date |
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| CN111851779A true CN111851779A (en) | 2020-10-30 |
| CN111851779B CN111851779B (en) | 2021-11-16 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060724A (en) * | 2014-06-09 | 2014-09-24 | 同济大学 | Energy-consumption shear wall made of composite material |
| CN105113655A (en) * | 2015-08-26 | 2015-12-02 | 江苏力汇振控科技有限公司 | Prestressed visco-elasticity damping wall |
| US20160108613A1 (en) * | 2013-09-25 | 2016-04-21 | Ideal Brain Co., Ltd. | Vibration control wall structure |
| CN107882207A (en) * | 2017-11-27 | 2018-04-06 | 苏州海德新材料科技股份有限公司 | Elastomeric element and viscoelastic damping wall |
| CN109057075A (en) * | 2018-08-01 | 2018-12-21 | 同济大学 | Single layer steel plate fit type friction-viscous damping wall |
| CN109057074A (en) * | 2018-08-01 | 2018-12-21 | 同济大学 | Associative form lead-viscous damping wall |
-
2020
- 2020-07-29 CN CN202010740842.6A patent/CN111851779B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160108613A1 (en) * | 2013-09-25 | 2016-04-21 | Ideal Brain Co., Ltd. | Vibration control wall structure |
| CN104060724A (en) * | 2014-06-09 | 2014-09-24 | 同济大学 | Energy-consumption shear wall made of composite material |
| CN105113655A (en) * | 2015-08-26 | 2015-12-02 | 江苏力汇振控科技有限公司 | Prestressed visco-elasticity damping wall |
| CN107882207A (en) * | 2017-11-27 | 2018-04-06 | 苏州海德新材料科技股份有限公司 | Elastomeric element and viscoelastic damping wall |
| CN109057075A (en) * | 2018-08-01 | 2018-12-21 | 同济大学 | Single layer steel plate fit type friction-viscous damping wall |
| CN109057074A (en) * | 2018-08-01 | 2018-12-21 | 同济大学 | Associative form lead-viscous damping wall |
Non-Patent Citations (1)
| Title |
|---|
| 刘少波 等: "泡沫铝/聚氨酯复合材料摩擦阻尼器性能试验研究", 《土木工程学报》 * |
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| CN111851779B (en) | 2021-11-16 |
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