CN113802911B - TMD-like structure system based on C-shaped shell shock insulation layer - Google Patents
TMD-like structure system based on C-shaped shell shock insulation layer Download PDFInfo
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- CN113802911B CN113802911B CN202111283619.4A CN202111283619A CN113802911B CN 113802911 B CN113802911 B CN 113802911B CN 202111283619 A CN202111283619 A CN 202111283619A CN 113802911 B CN113802911 B CN 113802911B
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- shaped shell
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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
- E04H9/0215—Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
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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
Abstract
A TMD-like structural system based on a C-shaped shell seismic isolation layer comprises: the reinforced concrete half wall; the lower part of the core tube shear wall is arranged in the reinforced concrete half-wall, the upper part of the core tube shear wall extends out of the top surface of the reinforced concrete half-wall, and the tube length direction of the core tube shear wall is in the vertical direction; the additional tube tower surrounds the core tube shear wall and is arranged above the reinforced concrete half wall; the C-shaped shell shock insulation steel column is connected between the additional cylindrical tower and the reinforced concrete half wall; and the spring is connected between the core barrel shear wall and the additional barrel tower adjacent to the core barrel shear wall. The invention can not only fully utilize the self condition of the building to avoid extra economic investment, but also improve the wind-resistant and earthquake-resistant capability of the whole building, isolate the earthquake energy from being transmitted to the upper part, enhance the earthquake-resistant performance of the main structure and simultaneously have certain wind-resistant capability.
Description
Technical Field
The invention belongs to the technical field of building structures, and particularly relates to a TMD-like structure system based on a C-shaped shell shock insulation layer.
Background
High-rise buildings are seen everywhere today with increasingly developed building levels, but at the same time as the height of the building increases, the wind load and the influence of earthquake disasters increase. The existing commonly used anti-seismic damping device is a Tuned Mass Damper (TMD), wherein the TMD works together through a spring, a mass block and a damping system, the natural vibration frequency of the mass block is adjusted to be close to the basic frequency of a main structure, when the main structure vibrates under the excitation, an inertia force opposite to the vibration direction of the main structure can be generated by a sub-structure to act on the main structure, the reaction of the main structure is attenuated and controlled, and the aim of damping is fulfilled. The TMD has high manufacturing cost, so how to still ensure the realization of the damping target on the premise of reducing the economic budget and improve the anti-seismic performance of high-rise buildings becomes a problem to be solved urgently.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a TMD-like structure system based on a C-shaped shell shock insulation layer, which can not only fully utilize the conditions of a building to avoid additional economic investment, but also improve the wind and shock resistance of the whole building, can isolate the transmission of seismic energy to the upper part, enhances the shock resistance of a main structure, and has certain wind resistance.
In order to achieve the purpose, the invention adopts the technical scheme that:
a TMD-like architecture based on a C-shell seismic isolation layer, comprising:
a reinforced concrete half wall 1;
the lower part of the core tube shear wall 2 is arranged in the reinforced concrete half wall 1, the upper part of the core tube shear wall extends out of the top surface of the reinforced concrete half wall 1, and the tube length direction of the core tube shear wall is in the vertical direction;
an additional barrel building 3 is arranged above the reinforced concrete half wall 1 around the core barrel shear wall 2;
the C-shaped shell shock insulation steel column 4 is connected between the additional cylindrical building 3 and the reinforced concrete half wall 1;
and (c) a second step of,
and the spring 5 is connected between the core barrel shear wall 2 and the additional barrel building 3 adjacent to the core barrel shear wall.
The core tube shear wall 2 is in a hollow tube shape, and the cross section of the core tube shear wall is rectangular.
The additional tube tower 3 is provided with a plurality of layers and is arranged around the core tube shear wall 2 in multiple layers.
The C-shaped shell shock-insulation steel column 4 comprises an upper steel plate 6, a lower steel plate 7 and a C-shaped shell 8 connected between the upper steel plate 6 and the lower steel plate 7, and the length direction of the C-shaped shell 8 is the vertical direction.
The upper steel plate 6 and the lower steel plate 7 are both rectangular, have the same section size and thickness and are respectively provided with a screw hole, the upper steel plate 6 is connected with the beam bottom of the additional cylindrical building 3 by high-strength bolts, and the lower steel plate 7 is connected with the top of the reinforced concrete half wall 1 by high-strength bolts.
The C-shaped shell 8 is provided with a plurality of rows, the opening direction is along the length direction of the reinforced concrete half-wall 1, the directions of two adjacent rows are opposite, and the C-shaped shell is uniformly arranged on the reinforced concrete half-wall 1.
The C-shaped shell 8 is made of high-strength carbon structural steel, the thickness is 1-3mm, the curvature radius is 100-200mm, the opening angle is 30-90 degrees, and the height is 300-600mm.
Steel plates are pre-buried at the height of the floor of the additional cylindrical tower 3 and the equal height of the core cylindrical shear wall 2, and the springs 5 are welded between the pre-buried steel plates.
Compared with the prior art, the invention has the beneficial effects that: the TMD-like structure system based on the C-shaped shell shock insulation layer has the advantages of simple structure, small manufacturing difficulty, good shock insulation performance, good durability, strong wind resistance and the like. The C-shaped shell is made of high-strength carbon structural steel, so that the C-shaped shell has good mechanical properties such as elastic limit, strength limit and fatigue property. The C-shaped shell arranged on the seismic isolation layer can support an upper structure and can effectively isolate the transmission of a horizontal seismic action to the upper part. The shock insulation layer and the upper structure form a TMD-like structure, and the shock resistance of the main body structure is further improved. When the structure is subjected to wind load, the additional tower serving as the substructure provides an inertia force opposite to the vibration direction of the main structure, so that the aim of shock absorption is fulfilled.
Drawings
Fig. 1 is a schematic view of the general structure of the present invention.
FIG. 2 is a top view (cross-sectional view of 1-1) of the present invention.
FIG. 3 is a schematic layout view of the C-shaped shell shock-insulation steel column.
Fig. 4 is a partial schematic view of a C-shell spring arrangement.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings and examples.
As shown in fig. 1 and 2, a TMD-like structure system based on a C-shaped shell seismic isolation layer includes a reinforced concrete half wall 1, a core tube shear wall 2, an additional tube building 3, C-shaped shell seismic isolation steel columns 4, and springs 5, where the core tube shear wall 2 is disposed in an up-down direction, and a tube length direction thereof is an up-down direction. The lower part of the core tube shear wall 2 is arranged in the reinforced concrete half-wall 1, and the upper part of the core tube shear wall extends out of the top surface of the reinforced concrete half-wall 1. The additional barrel buildings 3 are arranged around the core barrel shear wall 2 and are positioned above the reinforced concrete half wall 1. And the C-shaped shell shock-insulation steel column 4 is connected between the additional tubular building 3 and the reinforced concrete semi-wall 1 and is used for realizing the connection between the additional tubular building 3 and the reinforced concrete semi-wall 1. The spring 5 is connected between the core barrel shear wall 2 and the additional barrel building 3 adjacent thereto.
In one embodiment of the invention, the core barrel shear wall 2 is a hollow barrel with a rectangular, preferably square, cross-section.
The additional tube tower 3 is provided with a plurality of additional tube towers 3, the cross section of each additional tube tower is also rectangular, preferably square, and the additional tube towers are arranged around the core tube shear wall 2 in multiple layers, and the number of the additional tube towers 3 on each layer can be multiple.
Referring to fig. 3, the C-shaped shell shock-insulation steel column 4 comprises an upper steel plate 6, a lower steel plate 7 and a C-shaped shell 8, the C-shaped shell 8 is made of high-strength high-quality carbon structural steel, and has high bearing capacity, a buckling threshold value, small lateral rigidity, small plastic deformation and self-resetting capability. The C-shaped shell 8 is connected between the upper steel plate 6 and the lower steel plate 7 in the vertical direction. Specifically, the upper steel plate 6 and the lower steel plate 7 are rectangular, have the same cross-sectional size and thickness, and are respectively provided with a screw hole, the upper steel plate 6 is connected with the beam bottom of the additional cylindrical building 3 by high-strength bolts, and the lower steel plate 7 is connected with the top of the reinforced concrete half wall 1 by high-strength bolts.
For example, the C-shaped shell 8 may be provided with a plurality of rows, the opening direction is along the length direction of the reinforced concrete half wall 1, and the two adjacent rows have opposite directions and are uniformly arranged on the reinforced concrete half wall 1. The C-shaped shell 8 is arranged on the reinforced concrete half-wall 1 according to an array type, not only can support the upper structure, but also can effectively isolate the transmission of seismic energy to the upper part, and meanwhile, the upper structure, the C-shaped shell steel column and the main structure can form a TMD-like structure system, so that the seismic performance and the wind resistance of the main structure are further improved.
Specifically, splice plates 9 are welded on the lower surface of the upper steel plate 6 and the upper surface of the lower steel plate 7, screw holes are formed in the splice plates 9, and the C-shaped shell 8 is connected with the upper steel plate 6 and the lower steel plate 7 through the splice plates 9 and high-strength bolts. Illustratively, the C-shaped shell 8 is made of high-strength carbon structural steel, and may have a thickness of 1-3mm, a radius of curvature of 100-200mm, an opening angle of 30-90 °, and a height of 300-600mm.
Referring to fig. 4, steel plates are pre-embedded at the floor height of the additional tube tower 3 and at the equal height of the core tube shear wall 2, and the spring 5 is welded between the pre-embedded steel plates.
According to the structure, when the earthquake acts, on one hand, the transmission of earthquake energy to the upper structure is isolated, the earthquake resistance of the lower main body framework is improved, and meanwhile, the structure also has certain wind resistance and plays a role in buffering.
Claims (7)
1. A TMD-like structural system based on a C-shaped shell shock insulation layer is characterized by comprising:
a reinforced concrete half-wall (1);
the lower part of the core tube shear wall (2) is arranged in the reinforced concrete half wall (1), the upper part of the core tube shear wall extends out of the top surface of the reinforced concrete half wall (1), and the tube length direction of the core tube shear wall is the vertical direction;
the additional tube tower (3) is arranged above the reinforced concrete half wall (1) around the core tube shear wall (2);
the C-shaped shell shock insulation steel column (4) is connected between the additional cylindrical building (3) and the reinforced concrete half wall (1); the C-shaped shell shock insulation steel column (4) comprises an upper steel plate (6), a lower steel plate (7) and a C-shaped shell (8) connected between the upper steel plate (6) and the lower steel plate (7), and the length direction of the C-shaped shell (8) is the vertical direction; the C-shaped shells (8) are arranged in multiple rows, the opening direction is along the length direction of the reinforced concrete half-wall (1), the directions of two adjacent rows are opposite, and the C-shaped shells are uniformly arranged on the reinforced concrete half-wall (1);
and the number of the first and second groups,
and the spring (5) is connected between the core barrel shear wall (2) and the additional barrel building (3) adjacent to the core barrel shear wall.
2. TMD-like structural system based on C-shell seismic isolation layers according to claim 1, characterized in that the core barrel shear wall (2) is hollow barrel shaped with a rectangular cross section.
3. TMD-like architecture based on C-shell seismic isolation layers according to claim 1, characterized in that the additional drum (3) is multiple, arranged in multiple layers around the core drum shear wall (2).
4. The TMD-like structure system based on the C-shaped shell seismic isolation layer as claimed in claim 1, wherein the upper steel plate (6) and the lower steel plate (7) are rectangular, have the same cross-sectional size and thickness, and are respectively provided with a screw hole, the upper steel plate (6) is connected with the beam bottom of the additional cylindrical building (3) by high-strength bolts, and the lower steel plate (7) is connected with the top of the reinforced concrete half wall (1) by high-strength bolts.
5. The TMD-like structure system based on the C-shaped shell seismic isolation layer according to claim 1 or 4, wherein splicing plates (9) are welded on the lower surface of the upper steel plate (6) and the upper surface of the lower steel plate (7), screw holes are formed in the splicing plates (9), and the C-shaped shell (8) is connected with the upper steel plate (6) and the lower steel plate (7) through the splicing plates (9) by high-strength bolts.
6. TMD-like structural system based on C-shaped shell seismic isolation layers according to claim 1, characterized in that the C-shaped shell (8) is made of high-strength carbon structural steel with a thickness of 1-3mm, a radius of curvature of 100-200mm, an opening angle of 30-90 ° and a height of 300-600mm.
7. The TMD-like structural system based on the C-shaped shell seismic isolation layer as claimed in claim 1, wherein steel plates are pre-embedded at the floor height of the additional cylindrical tower (3) and at the equal height of the core cylindrical shear wall (2), and the springs (5) are welded between the pre-embedded steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111283619.4A CN113802911B (en) | 2021-11-01 | 2021-11-01 | TMD-like structure system based on C-shaped shell shock insulation layer |
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| CN202111283619.4A CN113802911B (en) | 2021-11-01 | 2021-11-01 | TMD-like structure system based on C-shaped shell shock insulation layer |
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| CN113802911A CN113802911A (en) | 2021-12-17 |
| CN113802911B true CN113802911B (en) | 2022-11-18 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2939235B1 (en) * | 1998-03-31 | 1999-08-25 | 川崎重工業株式会社 | Dynamic vibration absorber |
| CN203654513U (en) * | 2014-01-03 | 2014-06-18 | 湖州职业技术学院 | Frame-core tube combined earthquake-dissipating structure |
| CN106436905A (en) * | 2016-07-26 | 2017-02-22 | 东南大学 | Top shock insulation module building structure with self-adaptive shock insulation floor number |
| CN107013074A (en) * | 2017-05-18 | 2017-08-04 | 西安建筑科技大学 | The c-type shell Interlayer seismic isolation device and system of runback bit function are unloaded with threshold value flexing |
| CN208251764U (en) * | 2018-04-27 | 2018-12-18 | 安徽建工集团有限公司 | Modular assembly formula mixing control house structural system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2524547A1 (en) * | 2005-10-26 | 2007-04-26 | Constantin Christopoulos | Fork configuration dampers and method of using same |
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2021
- 2021-11-01 CN CN202111283619.4A patent/CN113802911B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2939235B1 (en) * | 1998-03-31 | 1999-08-25 | 川崎重工業株式会社 | Dynamic vibration absorber |
| CN203654513U (en) * | 2014-01-03 | 2014-06-18 | 湖州职业技术学院 | Frame-core tube combined earthquake-dissipating structure |
| CN106436905A (en) * | 2016-07-26 | 2017-02-22 | 东南大学 | Top shock insulation module building structure with self-adaptive shock insulation floor number |
| CN107013074A (en) * | 2017-05-18 | 2017-08-04 | 西安建筑科技大学 | The c-type shell Interlayer seismic isolation device and system of runback bit function are unloaded with threshold value flexing |
| CN208251764U (en) * | 2018-04-27 | 2018-12-18 | 安徽建工集团有限公司 | Modular assembly formula mixing control house structural system |
Non-Patent Citations (1)
| Title |
|---|
| 不同形式的TMD系统对超高层结构振动控制分析对比;孙帆等;《世界地震工程》;20160630;第248-249页第1节和图1-3,5 * |
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| CN113802911A (en) | 2021-12-17 |
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