A swing self-resetting anti-vibration and anti-vibration structure that is easy to control as a whole

Abstract

The present invention discloses a swinging self-resetting anti-seismic / vibration structure that is easy to regulate as a whole, and is composed of an upper structure, a support installation layer, and a foundation. Different from the traditional horizontal shear isolation principle, the upper structure generates a rigid body rotation around the rotating hinge support, and the upper structure swings as a whole within the range allowed by the design, and absorbs and disperses energy through the deformation of the vertical tension and compression supports and energy dissipation devices. This structural system is particularly suitable for structures with large rigidity because it can adapt to the deformation requirements of the structure under extreme loads, while reducing the dependence on the ductility design of general building structures. This structural system can effectively combine earthquake resistance and shock absorption technologies, and provide a new shock absorption design concept for reducing damage and destruction under strong earthquakes, which is innovative and practical. Due to its recoverable function and energy consumption, it can effectively control the residual displacement after an earthquake, and has great economic significance and social value.

Description

Technical Field

[0001] The present invention relates to the technical field of a recoverable function anti-vibration structural system, in particular to a swing self-resetting anti-vibration and vibration structure that is easy to regulate as a whole. Background Art

[0002] Recoverable seismic structural systems have been a research hotspot in earthquake engineering in recent years. The goal of these structural systems is to ensure that buildings maintain acceptable levels of functionality during an earthquake and can be restored to their original functionality after an earthquake, requiring minimal or no extensive repairs. This design concept aims to improve the seismic resilience of urban buildings and infrastructure, and to reduce the economic losses and social impacts of earthquake disasters.

[0003] Current design concepts for building structures designed to cope with earthquakes primarily include: seismic toughness design, performance-based seismic design, isolation and energy dissipation technologies, seismic design of non-structural components, and structural optimization design. The development and application of these design concepts aim to improve the safety and functionality of building structures under earthquakes and reduce losses caused by earthquake disasters. Rocking self-righting structures can effectively control residual displacement after an earthquake, ensuring the functionality and safety of the structure. Due to their ease of repair and rapid construction, rocking self-righting structures have significant economic significance and social value. Due to the rocking effect, the ductility design requirements of the structure itself are reduced, which can save on structural costs. Rocking self-righting structures can be applied to various structural systems, such as rocking bridge piers, reinforced concrete frame structures, steel frame structures, and shear wall structures. Although rocking self-righting structures have significant advantages in seismic resistance and rapid recovery after earthquakes, they also face some challenges and problems in practical applications. The design of rocking self-righting structures needs to consider multiple factors, including the stability, strength, and behavior of the structure under different earthquake intensities, which increases the complexity of the design. Secondly, in order to ensure that the structure can self-right after rocking, special materials and technologies are usually required, such as post-tensioned prestressed tendons, which may increase the difficulty and cost of construction.

[0004] In summary, improving the seismic toughness and resilience of building structures through scientific research and technological innovation, and providing a structure with simple design, which can sway stably during earthquakes and has small residual deformation after earthquakes, are issues that urgently need to be solved by technical personnel in this field. Summary of the Invention

[0005] The present invention provides a swing self-resetting anti-vibration and anti-oscillation structure that is easy to regulate as a whole, which reduces damage to the structure under strong earthquakes, and has small residual deformation of the structure after the earthquake, which is conducive to the rapid recovery of the structure's use function.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] The present invention discloses a rocking, self-resetting, shock-proof and vibration-proof structure that is easy to control as a whole, comprising an upper structure, a support mounting layer, and a foundation. The support mounting layer is provided with an inner vertical member at the plane centroid of the upper structure, and side vertical members are arranged at intervals along the outer periphery of the upper structure along its contour direction; the upper ends of the inner vertical members are connected to the upper structure, and the lower ends are connected to the foundation via a rotating hinge support; vertical tension and compression supports are installed on the side vertical members;

[0008] The rotating hinge support allows the upper structure to produce rotational displacement while limiting the linear displacement of the upper structure in the horizontal direction;

[0009] The vertical tension and compression supports do not constrain the horizontal lateral displacement of the upper structure, only provide compressive bearing capacity, and do not bear shear bearing capacity in the horizontal direction.

[0010] The present invention provides a swinging, self-resetting, shock-proof and vibration-proof structure that is easy to regulate as a whole. Furthermore, the upper structure can be designed as a traditional building structure including columns, beams, and wall components, or a specific structure composed of vertical compression and bending components, and the specific structure is a water tower, a signal tower, a power line tower, or an industrial and military building.

[0011] The present invention provides a swinging self-resetting anti-seismic and anti-vibration structure that is easy to control as a whole. Furthermore, the horizontal lateral displacement caused by the rigid body rotation displacement of the upper structure under the action of an earthquake is 30%-80% of the overall horizontal lateral displacement of the upper structure.

[0012] The present invention provides a swinging, self-resetting, shock-proof and vibration-proof structure that is easy to control as a whole. Furthermore, the vertical tension and compression support is a spiral tension and compression support, a disc spring support, a thick rubber support or an air spring support. When designing the plane of the support installation layer, multiple vertical tension and compression supports of the same type or multiple vertical tension and compression supports can be selected and combined.

[0013] The present invention provides a swinging, self-resetting, shock-proof and vibration-proof structure that is easy to control as a whole. Furthermore, the vertical tension and compression support is equipped with a limiting device, and the limiting device includes a compression limiter and a tension limiter. The installation position of the vertical tension and compression support is provided with a "convex" installation groove, and the vertical tension and compression support is installed in the installation groove. The compression limiter is installed at the top of the vertical tension and compression support and is located above the installation groove. When the vertical tension and compression support reaches the compression limit, the compression limiter contacts the top of the installation groove; the tension limiter is installed at the lower part of the vertical tension and compression support and is located in the expanded space at the lower part of the installation groove. When the vertical tension and compression support reaches the compression limit, the tension limiter contacts the top wall of the installation groove.

[0014] The present invention provides a swinging self-resetting anti-shock and vibration structure that is easy to control as a whole. Furthermore, the vertical tension and compression support is installed in the middle of the support installation layer, and the upper and lower parts of the vertical tension and compression support are respectively connected with side vertical components, the upper side vertical component is connected to the upper structure, and the lower side vertical component is connected to the foundation.

[0015] The present invention provides a swinging self-resetting anti-shock and anti-vibration structure that is easy to control as a whole. Furthermore, when the vertical tension and compression support is arranged on the top of the support installation layer, the upper part of the vertical tension and compression support is connected to the vertical component of the bottom layer of the upper structure, and the lower part is connected to the foundation through the side vertical component.

[0016] The present invention provides a rocking, self-resetting, shock-proof and vibration-proof structure that is easy to control as a whole. Furthermore, the vertical tension and compression support is arranged at the bottom of the support installation layer, the vertical tension and compression support and the rotary hinge support are located at the same height, the upper part of the vertical tension and compression support is connected to the upper structure through the side vertical member, and the lower part is connected to the foundation.

[0017] The present invention provides a rocking self-resetting anti-seismic and anti-vibration structure that is easy to regulate as a whole. Furthermore, lateral constraints are provided at the connection position between the vertical tension and compression supports and the foundation.

[0018] The present invention provides a swinging self-resetting anti-vibration and anti-oscillation structure that is easy to regulate as a whole. Furthermore, an energy dissipation and shock absorption device is vertically installed at the support installation layer, and the energy dissipation and shock absorption device deforms synchronously with the vertical tension and compression support.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The present application provides a rocking, self-resetting, anti-vibration and vibration-proof structure that is easy to control as a whole. Different from the traditional horizontal shear isolation principle, the upper node generates a rigid body rotation around the rotating hinge support, allowing the upper structure to rock as a whole within the range allowed by the design, and absorb and disperse energy through the deformation of the vertical tension and compression supports and the energy dissipation device; this structural system is particularly suitable for structures with greater rigidity because it can adapt to the deformation requirements of the structure under extreme loads, while reducing dependence on the ductility design of general building structures; this structural system can effectively combine earthquake resistance and shock absorption technologies, and provide new shock absorption design ideas for reducing damage and destruction under strong earthquakes, which is innovative and practical; due to the strong structural stability and strong self-resetting ability, it can effectively control the residual displacement after the earthquake, and has great economic significance and social value.

[0021] The present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of three installation positions of a swing self-resetting anti-vibration and vibration structure vertical tension and compression support that is easy to control as a whole;

[0023] Figure 2 This is a schematic diagram of a main view of a swing self-resetting anti-vibration and anti-oscillation structure that is easy to control as a whole provided by the present invention;

[0024] Figure 3 for Figure 2 A schematic top view of a rocking self-resetting anti-vibration and anti-oscillation structure that is easy to regulate as a whole;

[0025] Figure 4 for Figure 2 Schematic diagram of the deformation of a rocking self-resetting anti-seismic and vibration-proof structure that is easy to control as a whole, simulated under the action of horizontal seismic force in finite element software.

[0026] Figure 5 for Figure 2 The ratio of the overall structural displacement angle and the rigid body rotation displacement angle of a rocking self-resetting anti-seismic and anti-vibration structure that is easy to control as a whole under different levels of earthquake forces (large earthquake, medium earthquake, small earthquake) can intuitively understand the movement characteristics of the structure under earthquake action;

[0027] Figure 6 This is a schematic diagram of the installation of a swing self-resetting anti-vibration and vibration structure limiting device that is easy to control as a whole provided by the present invention.

[0028] Reference numerals:

[0029] 1. Superstructure; 2. Support installation layer; 3. Foundation; 4. Rotating hinge support; 5. Vertical tension and compression support; 6. Compression limiter; 7. Tension limiter; 8. Installation groove; 21. Internal vertical member; 22. Side vertical member; 23. Diagonal brace. DETAILED DESCRIPTION

[0030] like Figures 1-6 As shown, the present invention discloses a rocking, self-resetting, earthquake-proof and vibration-proof structure that is easily controlled as a whole, comprising a superstructure 1, a support mounting layer 2, and a foundation 3. The superstructure 1 can be designed as a traditional building structure comprising columns, beams, walls, and other components, or as a specialized structure composed of vertical compression-bending components, such as those used in water towers, signal towers, power line towers, and industrial and military buildings. Through reasonable design, the horizontal lateral displacement of the superstructure 1 caused by the rigid body rotation displacement under earthquake action should not be less than 30% of the overall horizontal lateral displacement of the superstructure 1, and is generally preferably between 30% and 80%. The rigidity of the superstructure 1 can be improved by providing supports, increasing the cross-sectional dimensions, and other means.

[0031] The support mounting layer 2 is equipped with inner vertical members 21, side vertical members 22, and diagonal braces 23. The inner vertical member 21 is arranged near the planar centroid of the superstructure 1, with its upper end connected to the superstructure 1 and its lower end connected to the foundation 3 via a pivoting support 4. The side vertical members 22 are arranged at intervals around the periphery of the superstructure 1 along the outline of the superstructure 1. The diagonal braces 23 are located on the support mounting layer 2 and are connected to the pivoting support 4 at the top of each side vertical member 22.

[0032] The rotating hinge support 4 allows rotational displacement while limiting the horizontal linear displacement of the upper structure 1 connected thereto, so that the upper structure 1 generates a rigid body rotation around the rotating hinge support 4 under the action of earthquake force, ensuring that the structure can be stably restored after swaying.

[0033] The vertical tension and compression supports 5 do not constrain the horizontal lateral displacement of the upper structure 1, and only provide compressive bearing capacity, and do not bear any shear bearing capacity in the horizontal direction.

[0034] The vertical tension and compression support 5 can be a spiral tension and compression support, a disc spring support, a thick rubber support, an air spring support, etc. When designing the plane of the support installation layer 2, multiple vertical tension and compression supports 5 of the same type or different types of vertical tension and compression supports 5 can be selected and combined.

[0035] The vertical tension and compression support 5 is equipped with a limiting device, which includes a compression limiter 6 and a tension limiter 7. The installation position of the vertical tension and compression support 5 is provided with a "convex" installation groove 8. The vertical tension and compression support 5 is installed in the installation groove 8. The compression limiter 6 is installed at the top of the vertical tension and compression support 5 and is located above the installation groove 8. When the vertical tension and compression support 5 reaches the compression limit, the compression limiter 6 contacts the top of the installation groove 8; the tension limiter 7 is installed at the lower part of the vertical tension and compression support 5 and is located in the expanded space at the lower part of the installation groove 8. When the vertical tension and compression support 5 reaches the compression limit, the tension limiter 7 contacts the top wall of the installation groove 8. When the tensile deformation or compressive deformation of the vertical tension and compression support 5 reaches the design limit, the tensile stiffness or compressive stiffness of the vertical tension and compression support 5 will increase significantly to prevent the upper structure from overturning.

[0036] Example 1:

[0037] The vertical tension and compression support 5 is installed in the middle of the support installation layer 2. The upper and lower ends of the vertical tension and compression support 5 are respectively connected to the side vertical members 22. The upper side vertical member 22 is connected to the upper structure 1, and the lower side vertical member 22 is connected to the foundation 3.

[0038] Example 2:

[0039] The difference from Example 1 is that the vertical tension and compression support 5 is arranged on the top of the support installation layer 2, the upper part of the vertical tension and compression support 5 is directly connected to the vertical member of the bottom layer of the upper structure 1, and the lower part is connected to the foundation 3 through the side vertical member 22.

[0040] Example 3:

[0041] The difference from Examples 1 and 2 is that the vertical tension and compression support 5 is arranged at the bottom of the support installation layer 2, the vertical tension and compression support 5 and the rotary hinge support 4 are at the same height, the upper part of the vertical tension and compression support 5 is connected to the upper structure 1 through the side vertical member 22, and the lower part is directly connected to the foundation 3.

[0042] In addition, the connection between the vertical tension and compression support 5 and the foundation 3 can be designed to increase lateral constraints. The lateral constraints can be the inner wall of the installation groove, so that it can withstand the horizontal shear force while bearing the vertical tension and compression force.

[0043] Example 4:

[0044] An energy dissipation and shock absorption device can also be set at the support mounting layer 2. The energy dissipation and shock absorption device is vertically installed on the support mounting layer 2. The types of energy dissipation and shock absorption devices include viscous dampers, viscoelastic dampers, etc., which absorb and disperse energy through the deformation of the energy dissipation and shock absorption device and the vertical tensile and compressive support 5.

[0045] Embodiment 5:

[0046] Finite element calculation results of a rocking self-righting anti-seismic / vibration structure are provided to predict its effect under earthquake action. In this example, the superstructure 1 is a 9-story, two-span, three-bay steel frame structure with a design intensity of 8 degrees 0.2g, site category III, group 2, site characteristic period 0.55s, floor dead load 5kN / m2, and live load 2kN / m2.

[0047] The embodiments described above are merely descriptions of preferred implementations of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A swing self-resetting anti-vibration / anti-shock structure that is easy to control as a whole, characterized by: The invention comprises an upper structure (1), a support installation layer (2) and a foundation (3), wherein the support installation layer (2) is provided with an inner vertical member (21) at the plane centroid position of the upper structure (1), and side vertical members (22) are arranged at intervals along the contour direction of the outer periphery of the upper structure (1); the upper end of the inner vertical member (21) is connected to the upper structure (1), and the lower end is connected to the foundation (3) via a rotating hinge support (4); a vertical tension and compression support (5) is installed at the side vertical member (22); The rotating hinge support (4) allows the upper structure (1) to generate a rotational displacement while limiting the linear displacement of the upper structure (1) in the horizontal direction; The vertical tension and compression support (5) does not constrain the horizontal lateral displacement of the upper structure (1), only provides compressive bearing capacity, and does not bear shear bearing capacity in the horizontal direction; the vertical tension and compression support (5) is equipped with a limiting device, and the limiting device includes a compressive limiter (6) and a tensile limiter (7); the installation position of the vertical tension and compression support (5) is provided with a "convex" installation groove (8), the vertical tension and compression support (5) is installed in the installation groove (8), the compressive limiter (6) is installed at the top of the vertical tension and compression support (5) and is located above the installation groove (8), when the vertical tension and compression support (5) reaches the compressive limit, the compressive limiter (6) contacts the top of the installation groove (8); the tensile limiter (7) is installed at the lower part of the vertical tension and compression support (5) and is located in the expanded space at the lower part of the installation groove (8), when the vertical tension and compression support (5) reaches the compressive limit, the tensile limiter (7) contacts the top wall of the installation groove (8).

2. The swing self-resetting anti-vibration / anti-shock structure that is easy to control as a whole according to claim 1, characterized in that: The superstructure (1) can be designed as a traditional building structure including columns, beams, and wall components, or a specific structure composed of vertical compression-bending components, and the specific structure is a water tower, a signal tower, a power line tower, or an industrial or military building.

3. The swing self-resetting anti-vibration / anti-shock structure that is easy to control as a whole according to claim 1 is characterized by: The horizontal lateral displacement caused by the rigid body rotation displacement of the upper structure (1) under earthquake action is 30%-80% of the overall horizontal lateral displacement of the upper structure (1).

4. The swing self-resetting anti-vibration / anti-shock structure that is easy to control as a whole according to claim 1 is characterized by: The vertical tension and compression support (5) is a spiral tension and compression support, a disc spring support, a thick rubber support or an air spring support. When designing the plane of the support installation layer (2), multiple vertical tension and compression supports (5) of the same type or multiple vertical tension and compression supports (5) can be selected and combined.

5. The swing self-resetting anti-vibration / anti-shock structure that is easy to control as a whole according to claim 1, characterized in that: The vertical tension and compression support (5) is installed in the middle of the support installation layer (2), and the upper and lower parts of the vertical tension and compression support (5) are respectively connected to the side vertical components (22), the upper side vertical component (22) is connected to the upper structure (1), and the lower side vertical component (22) is connected to the foundation (3).

6. The swing self-resetting anti-vibration / anti-shock structure that is easy to control as a whole according to claim 1, characterized in that: When the vertical tension and compression support (5) is arranged on the top of the support installation layer (2), the upper part of the vertical tension and compression support (5) is connected to the vertical member of the bottom layer of the upper structure (1), and the lower part is connected to the foundation (3) through the side vertical member (22).

7. The swing self-resetting anti-vibration / anti-shock structure that is easy to control as a whole according to claim 1, characterized in that: The vertical tension and compression support (5) is arranged at the bottom of the support installation layer (2), and the vertical tension and compression support (5) and the rotary hinge support (4) are located at the same height. The upper part of the vertical tension and compression support (5) is connected to the upper structure (1) through the side vertical member (22), and the lower part is connected to the foundation (3).

8. The swing self-resetting anti-vibration / anti-shock structure that is easy to control as a whole according to claim 7, characterized in that: A lateral constraint is provided at the connection position between the vertical tension and compression support (5) and the foundation (3).

9. The swing self-resetting anti-vibration / anti-shock structure that is easy to control as a whole according to claim 1, characterized in that: An energy dissipation and shock absorption device is vertically installed at the support installation layer (2), and the energy dissipation and shock absorption device deforms synchronously with the vertical tension and compression support.

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