Building energy dissipation and shock absorption component based on steel sleeve constraint tie reinforced concrete

Abstract

The utility model discloses a building energy dissipation and shock absorption component based on steel sleeve constraint steel tie reinforced concrete, which comprises an energy dissipation component, the energy dissipation component comprises a steel tie reinforced concrete component and a steel sleeve, and the steel tie reinforced concrete component is positioned in the steel sleeve; the energy consumption component is arranged in an upper frame structure of a building, or between an outer wall and an outer column of an underground structure, or between a peripheral support and an enclosure structure system, the tie reinforced concrete component comprises a concrete body and two tie steel bars arranged in the concrete body, the two tie steel bars are tied with each other through a hook, and the tie steel bars are arranged in the concrete body. And the overall connection stability and tensile property are enhanced. According to the energy-consuming component, the tie reinforced concrete and the steel sleeve are adopted as main components, so that the energy-consuming component has good bearing capacity and energy-consuming capacity, the effect of an earthquake on a building can be effectively dissipated, the maintenance and replacement cost is relatively low in the long-term use process, and the energy-consuming component has good economical efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of engineering structures, and particularly relates to a building energy dissipation and shock absorption component based on a steel casing - constrained tied - reinforced concrete structure. Background Technique

[0002] Under the action of natural disasters such as earthquakes, buildings will generate intense vibrations, which may lead to structural damage or even collapse, causing huge losses to people's lives and property. To improve the seismic performance of buildings, shock - absorbing dampers are widely used in building structures. However, there are some problems with existing building shock - absorbing dampers. The commonly used shock - absorbing dampers in the current market have relatively complex technologies and high manufacturing process requirements, which significantly increase the construction cost and limit their application in projects. Moreover, after long - term use, these dampers may experience performance degradation or damage. Due to their complex structures, it is very difficult to replace them, requiring a large amount of manpower, material resources, and time.

[0003] In addition, some shock - absorbing dampers have strict requirements for installation conditions and the installation process is cumbersome. This not only increases the construction difficulty but also may affect their shock - absorbing effect due to improper installation. There are also some dampers that lack stability and reliability during operation and cannot effectively cope with strong earthquake shocks, resulting in unsatisfactory shock - absorbing effects.

[0004] At the same time, the durability of existing dampers also has problems. They are easily affected by environmental factors such as humidity, temperature, and chemical corrosion, resulting in a shortened service life. These unfavorable factors seriously restrict the wide application and development of shock - absorbing dampers in the field of building structure earthquake resistance. Therefore, there is an urgent need for a new type of building shock - absorbing damper with excellent performance, economic practicality, easy installation, and maintenance. Content of the Utility Model

[0005] The purpose of the utility model is to provide a building energy dissipation and shock absorption component based on a steel casing - constrained tied - reinforced concrete structure, providing a new type of building shock - absorbing damper with reasonable performance, economic practicality, easy installation, and maintenance.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A building energy dissipation and shock absorption component based on a steel casing - constrained tied - reinforced concrete structure, comprising an energy - dissipating component. The energy - dissipating component includes a tied - reinforced concrete component and a steel casing. The steel casing is tightly sleeved outside the tied - reinforced concrete component. The energy - dissipating component is arranged obliquely in the upper - frame structure of a building, or between the exterior walls and exterior columns of an underground structure, or between the peripheral support and enclosure structure systems.

[0008] Furthermore, the tie reinforcing bar concrete member includes a concrete body and two tie reinforcing bars embedded in the concrete body. The two tie reinforcing bars are tied to each other through hooks, enhancing the overall connection stability and tensile performance.

[0009] Furthermore, an elastic member is provided at the hooked tie point of each tie reinforcing bar.

[0010] Furthermore, the elastic member is a material with compression performance and a reserved stroke.

[0011] Furthermore, the elastic member is an elastic material or an elastoplastic material with a compression modulus.

[0012] Furthermore, the tie reinforcing bar is a deformed bar, section steel or metal anchor bolt.

[0013] Furthermore, one end of each tie reinforcing bar away from the elastic member is straight anchored or bent anchored.

[0014] Furthermore, the concrete body is cast with slightly expansive concrete and tightly filled with the steel casing.

[0015] Furthermore, the slightly expansive concrete is fine aggregate concrete or high-strength mortar.

[0016] Furthermore, a shear-resistant plate is provided on the inner wall of the end of the steel casing.

[0017] Compared with the existing technology, the present utility model has the following beneficial effects:

[0018] The building shock absorber of the present utility model uses tie reinforcing bar concrete and a steel casing as the main components, having good load-bearing capacity and energy dissipation capacity, and being able to effectively dissipate the action of an earthquake on a building. Through reasonable design and material selection, the vibration acceleration and displacement response of the building under the action of an earthquake can be effectively reduced.

[0019] The tie reinforcing bar concrete member uses high-strength concrete and tie reinforcing bars, improving the strength and durability of the member and extending the service life of the shock absorber. Thus, it is ensured that during the long-term use of the building, the shock absorber always maintains stable performance and continuously plays an effective shock-absorbing role.

[0020] The shear-resistant plate provided on the inner wall of the steel casing increases the energy dissipation capacity of the shock absorber and improves the shock-absorbing effect. This friction energy dissipation mechanism can quickly consume earthquake energy, cooperating with the deformation energy dissipation of the tie reinforcing bars, and further enhancing the shock-absorbing capacity of the shock absorber.

[0021] The building shock absorber of the utility model has a simple structure, is easy to install, and has a low construction cost. Compared with traditional shock absorbers, its material cost and manufacturing process are relatively simplified, which can significantly reduce the seismic reinforcement cost of buildings. At the same time, during the long-term use process, the maintenance and replacement costs are also relatively low, having good economic efficiency.

[0022] The shock absorber of the utility model allows a certain error during installation. This means that in actual construction, even if there are some small deviations, the shock absorber can still function normally, and the construction difficulty and cost will not increase due to overly high requirements for installation accuracy. This tolerance for installation errors makes the construction more convenient and efficient, helping to speed up the project progress.

[0023] The building shock absorber of the utility model is easy to be popularized and applied in actual projects. Its simple design and easy-to-operate installation method enable it to be quickly and effectively implemented both in new buildings and in the seismic reinforcement and renovation of existing buildings, providing reliable seismic protection for various buildings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to make the purpose, technical solutions and advantages of the present disclosure clearer and more understandable, the following further details the technical solutions of the present disclosure in combination with specific embodiments and with reference to the following drawings.

[0025] Figure 1 It is a structural diagram of a steel sleeve-constrained tie-reinforced concrete building energy dissipation and shock absorption component for an embodiment;

[0026] Figure 2 It is an axonometric view of a steel sleeve-constrained tie-reinforced concrete building energy dissipation and shock absorption component for an embodiment;

[0027] Figure 3 It is a cross-sectional view of the steel sleeve structure for an embodiment;

[0028] Wherein, 1 - steel sleeve, 2 - tie-reinforced concrete component, 3 - tie reinforcement, 4 - elastic member, 5 - shear-resistant plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0030] Such as Figure 1 、 Figure 2As shown, a building energy dissipation and seismic reduction component based on a steel casing - constrained tied - reinforced concrete in this embodiment includes a building seismic damper. The building seismic damper in this embodiment mainly includes a tied - reinforced concrete member 2 and a steel casing 1. As an energy - dissipating member, it can be arranged as a diagonal brace in the upper - frame structure of a building, or between the exterior wall and exterior columns of the underground structure and the surrounding support and enclosure structure system. Such a diagonal brace can be arranged between the exterior wall of the basement and the foundation pit support system as an energy - dissipating and seismic - reducing member, and an additional diagonal brace at the upper - frame beam - column joint as an energy - dissipating and seismic - reducing member.

[0031] The tied - reinforced concrete member 2 includes a concrete body and two built - in tied reinforcing bars 3. The concrete body is cast with micro - expansive concrete, which has good compressive performance and is tightly filled with the steel casing 1. The two tied reinforcing bars 3 are arranged in the concrete body, and one end of the two tied reinforcing bars 3 is tied to each other by a hook to enhance the overall connection stability and tensile performance. The steel casing 1 is tightly sleeved outside the tied - reinforced concrete member 2, and an elastic member 4 with a certain compression performance and a specific stroke is reserved at the end of each tied reinforcing bar 3. When an earthquake strikes, the building will generate horizontal displacement along with the movement of the ground. The other un - tied end of each tied reinforcing bar 3 is straight - anchored or bent - anchored in the structural concrete member, and the tied - reinforced concrete member 2 is fixed between the exterior wall of the basement and the foundation pit support system as an energy - dissipating and seismic - reducing member through straight - anchoring or bent - anchoring.

[0032] As a preference, the tied reinforcing bar 3 is a deformed steel bar, section steel or metal anchor bolt. The concrete can be fine - aggregate concrete or high - strength mortar, and the elastic material of the elastic member 4 can be a stable elastoplastic material with a certain compression modulus. Shear - resisting plates 5 are provided on the inner wall and end of the steel casing 1, as Figure 3 shown.

[0033] The building seismic damper of the present utility model plays a key role in this process. First, due to the swaying of the building, a relative movement tendency will occur between the steel casing 1 and the tied - reinforced concrete member 2. Since it is fixed in the building structure, the tied - reinforced concrete member 2 will slide relatively within a certain range. Through this synergistic effect, a large amount of seismic energy is effectively converted and consumed, thus significantly reducing the vibration amplitude and speed of the building, and achieving the purpose of reducing the damage to the building structure caused by the earthquake, and ensuring the safety of the building and the people inside.

[0034] The specific mechanical transmission and energy dissipation mechanisms are as follows: When an earthquake occurs, the surrounding soil mass and the support system generate horizontal displacements relative to the building. At this time, the reinforced concrete member 2 with tie bars slides relatively inside the steel casing 1. At the moment when the sliding starts, the concrete material squeezed on the inner wall of the steel casing 1 immediately comes into close contact with the surface of the reinforced concrete member 2 with tie bars. During the sliding process, on the one hand, the tie bars 3 transfer pressure through the elastic material and transfer it to the concrete in the steel casings 1 at both ends. Strong frictional forces are generated between the inner wall and the end shear plates 5 of the steel casing 1 and the concrete. Such frictional forces can effectively convert the energy input by the earthquake into heat energy and dissipate it. As the earthquake energy continues to be input, when the tie bars 3 start to bear tensile forces. Since the two bars are tied to each other by hooks, a stable whole is formed, and they gradually undergo tensile deformation under the action of the tensile force, further absorbing and consuming earthquake energy. At this time, the concrete material filled in the inner wall of the steel casing 1 dissipates energy through splitting and frictional actions with the surface of the reinforced concrete member 2 with tie bars. Subsequently, the compressed elastic material continuously dissipates energy under the action of the pressure and frictional resistance. Such frictional forces prevent the rapid sliding of the reinforced concrete member 2 with tie bars, causing a part of the earthquake energy to be immediately converted into heat energy and dissipated.

[0035] During the entire earthquake process, the frictional action on the inner wall of the steel casing 1 and the tensile deformation of the tie bars 3 occur alternately and work together. The frictional action and the crushing and splitting of the concrete rapidly dissipate energy in the initial stage of the earthquake, while the tensile and compressive deformations of the tie bars 3 continuously absorb energy during the repeated continuous vibrations.

[0036] The specifications and distributions of the tie bars 3 and the strength and dimensions of the concrete body determined through simulation calculations and experimental verifications, combined with the thickness, inner diameter of the steel casing 1 and the performance parameters of the shear plate 5, enable the entire damper to work together under earthquake action, achieve efficient dissipation of earthquake energy, thereby significantly reducing the vibration response of the building and achieving an ideal shock absorption effect.

[0037] Reinforcement using the energy dissipation and shock absorption component of the present utility model can improve its seismic performance and extend its service life without changing the original architectural style. The energy dissipation and shock absorption component of the present utility model can be installed in a concealed manner or combined with the original structural components of the reinforced building. Combining the characteristics of the surrounding soil mass of the underground structure and the structural form of the foundation pit support, the installation scheme of the energy dissipation and shock absorption component is determined to ensure the stability of the underground structure and ensure that the energy dissipation and shock absorption component does not affect the appearance and use functions of the building. For example, in underground parking lots, subway stations, etc., installing the energy dissipation and shock absorption component of the present utility model can reduce the impact of earthquakes on underground spaces.

[0038] It is obvious to those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present application is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present application. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A building energy dissipation and shock absorption component based on steel casing restraint and reinforced concrete, characterized in that: The invention comprises an energy-absorbing component, wherein the energy-absorbing component comprises a tie-steel concrete component (2) and a steel casing (1), wherein the steel casing (1) is tightly sleeved on the outside of the tie-steel concrete component (2); the energy-absorbing component is diagonally braced and arranged in the upper frame structure of the building, or between the outer wall and outer column of the underground structure, or between the peripheral support and the enclosure structure system.

2. According to claim 1, a building energy dissipation and shock absorption component based on steel casing restraint and reinforced concrete is characterized in that: The tie-steel concrete component (2) comprises a concrete body and two tie-steel bars (3) built into the concrete body. The two tie-steel bars (3) are mutually tied by hooks, thereby enhancing the overall connection stability and tensile strength.

3. The energy dissipation and shock absorption component of a building based on steel casing restraint and reinforced concrete according to claim 2 is characterized in that: An elastic member (4) is provided at the hook tie position of each tie steel bar (3).

4. The energy dissipation and shock absorption component of a building based on steel casing restraint and reinforced concrete according to claim 3 is characterized in that: The elastic member (4) is a material with a compressible property and a reserved stroke.

5. The energy dissipation and shock absorption component of a building based on steel casing restraint and reinforced concrete according to claim 3 is characterized in that: The elastic member (4) is made of elastic material or elastoplastic material with a compression modulus.

6. The energy dissipation and shock absorption component of a building based on steel casing restraint and reinforced concrete according to claim 2 is characterized in that: The tie steel bar (3) is threaded steel, section steel or metal anchor bolt.

7. The energy dissipation and shock absorption component of a building based on steel casing restraint and reinforced concrete according to claim 2 is characterized in that: One end of each tie steel bar (3) away from the elastic member (4) is a straight anchor or a bent anchor.

8. The energy dissipation and shock absorption component of a building based on steel casing restraint and reinforced concrete according to claim 2 is characterized in that: The concrete body is cast using micro-expansion concrete and is tightly filled with the steel casing (1).

9. The energy dissipation and shock absorption component of a building based on steel casing restraint and reinforced concrete according to claim 8, characterized in that: The micro-expansive concrete is fine stone concrete or high-strength mortar.

10. A building energy dissipation and shock absorption component based on steel casing restraint and reinforced concrete according to any one of claims 1 to 9, characterized in that: The inner wall of the end of the steel casing (1) is provided with a shear plate (5).

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