A seismic energy-absorbing and strengthening connection system between an original building and an additional building

Abstract

The present invention belongs to the field of building storey addition, reconstruction and reinforcement measures, and particularly relates to a shock-absorbing, energy-absorbing and reinforced connection system for an original building and an additional building, comprising an original building, an additional building, a connecting plate, a high-strength energy-absorbing connecting steel plate, an internal circular hole, an energy-absorbing rib, a lead pin hole, a lead pin, a binding hole, a shape memory alloy wire, a shock-absorbing and decompressing spring, a suction cup device, a tensile and compressive elongation area, a connecting piece and an elastic connecting cable; in the shock-absorbing, energy-absorbing and reinforced connection system for the original building and the additional building, the original building and the additional building are connected by connecting plates, high-strength energy-absorbing connecting steel plates and lead pins. The advantages and effects of the present invention are that while ensuring the seismic energy absorption of the structure, the structure has a certain rigidity, and will not cause collision damage, pull-out damage, etc. to the original building and the additional building when an earthquake occurs. The original building and the additional building can work together to improve the seismic performance and safety performance of the original building after the outer layer is added.

Description

Technical Field

[0001] The invention belongs to the field of building storey-adding, reconstruction and reinforcement measures, and in particular relates to a shock-absorbing, energy-absorbing and reinforced connection system for an original building and an additional building. Background Art

[0002] Adding floors and remodeling projects have a significant effect on saving land, reducing project costs and many other aspects. In general, the addition and renovation of houses can be divided into the addition and renovation of civil and industrial houses. Among them, civil buildings such as residential buildings, office buildings, hospitals, hotels, shops, etc. are relatively large and widespread buildings. According to the survey, there are a large number of low-rise or multi-story civil buildings in towns and cities, which cannot be stopped from use and urgently need to expand the use area. Adding floors in combination with the improvement of house use functions or major repairs is an important way to transform and utilize low-rise or multi-story houses into multi-story, medium and high-rise houses. Some of these buildings were not seismically fortified in the past construction or the fortification standards were low. Such buildings can be reinforced and remodeled to achieve the purpose of improving the use function of the house, seismic reinforcement and structural energy dissipation and shock absorption, ensuring that the connection is sufficiently stable while improving the seismic performance. Earthquake disasters are sudden and destructive, and seriously threaten the safety of human life and property. Nearly a thousand destructive earthquakes occur in the world every year. A major earthquake can cause economic losses of hundreds of billions of dollars and lead to the death or serious disability of hundreds of thousands of people. During an earthquake, the poor seismic resistance of the structural connections of the multi-storey buildings can easily lead to a large amount of damage and collapse, causing serious damage to the main load-bearing structure or even collapse, which is the direct cause of earthquake disasters. In order to avoid the occurrence of the above-mentioned disasters, people must control the seismic response of the multi-storey building structure and eliminate the poor seismic resistance, so that it has sufficient rigidity to meet the use requirements during small winds or small earthquakes. When a large earthquake or strong wind occurs, the structure has a certain elastic effect and produces a large damping, which can consume a large amount of earthquake or wind vibration energy input into the structure, so that the structural kinetic energy or elastic potential energy and other energies are converted into heat energy and dissipated, protecting the structure from damage in strong earthquakes or strong winds. The multi-storey building structure currently developed has poor seismic resistance, so the manufacturing process and energy consumption capacity still need to be further improved. Summary of the invention

[0003] In order to solve the above-mentioned technical problems, the present invention provides a shock-absorbing and energy-absorbing reinforced connection system for an original building and an additional building, which ensures that the structure has a certain rigidity while ensuring that the original building and the additional building will not be damaged by collision or pulling out when an earthquake occurs. The original building and the additional building can work together to improve the seismic performance and safety performance of the original building after the outer layer is added.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] A shock-absorbing and energy-absorbing strengthening connection system for an original building and an additional building, comprising an original building, an additional building, a connecting plate, a high-strength energy-absorbing connecting steel plate, an internal circular hole, an energy-absorbing rib, a lead pin hole, a lead pin, a binding hole, a shape memory alloy wire, a shock-absorbing and decompressing spring, a suction cup device, a tension and compression elongation area, a connecting piece and an elastic connecting cable; in the shock-absorbing and energy-absorbing strengthening connection system for an original building and an additional building, the original building and the additional building are connected by a connecting plate, a high-strength energy-absorbing connecting steel plate and a lead pin, wherein the lead pin passes through the lead pin hole to connect two high-strength energy-absorbing connecting steel plates, a plurality of internal circular holes are arranged on the high-strength energy-absorbing connecting steel plate, energy-absorbing ribs are arranged between adjacent internal circular holes, and an energy-absorbing rib is arranged on one side of the high-strength energy-absorbing connecting steel plate. A lead pin hole is arranged at the end, and a plurality of binding holes are arranged on the high-strength energy-absorbing connecting steel plate. The upper and lower adjacent high-strength energy-absorbing connecting steel plates are connected by passing shape memory alloy wire through the binding holes. The upper and lower ends of the shock-absorbing and decompressing spring and the elastic connecting cable are respectively connected to the high-strength energy-absorbing connecting steel plates adjacent thereto. A suction cup device is arranged, and the suction cup device and the adjacent high-strength energy-absorbing connecting steel plates are connected through a connecting piece. A tensile and compressive stretching area is arranged between every two opposing suction cup devices, and the two suction cup devices are connected through the tensile and compressive stretching area. The suction cup device and the tensile and compressive stretching area are an integrated structure. The suction cup device and the tensile and compressive stretching area are prefabricated components, and the elastic connecting cable is arranged through the enclosed space composed of the suction cup device and the tensile and compressive stretching area.

[0006] Furthermore, the shock-absorbing and decompressing spring, the upper and lower ends of the elastic connecting rope and the high-strength energy-absorbing connecting steel plate are connected by welding.

[0007] Furthermore, one end of the connecting piece and the high-strength energy-absorbing connecting steel plate are connected by welding.

[0008] Furthermore, the suction cup device is made of high-damping rubber.

[0009] Furthermore, the tension and compression stretching area and the elastic connecting rope are made of elastic materials.

[0010] Furthermore, the shock-absorbing and decompressing spring is made of high-strength and high-hardness spring steel.

[0011] Furthermore, the shock-absorbing and decompressing spring, the connecting piece and the elastic connecting rope are treated with galvanizing for corrosion protection.

[0012] The advantages of the present invention are:

[0013] The beneficial effects and advantages of the present invention are simple construction, low construction cost, very convenient industrial disassembly, and prefabricated components are easy to produce and install, which is conducive to promoting the process of industrialization. When the original building is covered with additional layers, the original building and the additional building are adjacent, and the device can fix the two well. When relative displacement occurs, the high-strength energy-consuming connecting steel plate can consume the energy of the shock-absorbing and decompressing spring by pulling and pressing, and the multiple energy-consuming ribs can consume energy. The shape memory alloy wire can make the internal structure coordinated with each other, so that the whole structure has good self-resetting ability after a small displacement occurs, and the safety and reliability of the overall structure are significantly improved. The suction cup device, the tension and compression extension area, and the elastic connecting cable can play multiple energy consumption, so that the energy consumption efficiency of the structure is significantly improved. The use of multiple high-strength energy-consuming connecting steel plates for connection plays an effective supporting role, ensures that the structure has certain rigidity while ensuring the seismic energy consumption, and will not cause collision damage, pull-out damage, etc. to the original building and the additional building when an earthquake comes. The original building and the additional building can work together to improve the seismic performance and safety performance of the original building after the outer layer is added. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a cross-sectional schematic diagram of the shock-absorbing and energy-absorbing strengthening connection system of the original building and the additional building of the present invention.

[0015] Figure 2 Schematic diagram of high-strength energy-absorbing connecting steel plate.

[0016] In the figure: 1 is the original building; 2 is the additional building; 3 is the connecting plate; 4 is the high-strength energy-absorbing connecting steel plate; 5 is the internal circular hole; 6 is the energy-absorbing rib; 7 is the lead pin hole; 8 is the lead pin; 9 is the binding hole; 10 is the shape memory alloy wire; 11 is the shock-absorbing and decompression spring; 12 is the suction cup device; 13 is the tension and compression stretching area; 14 is the connecting piece; 15 is the elastic connecting cable. DETAILED DESCRIPTION

[0017] In order to further illustrate the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and embodiments, but they should not be construed as limiting the protection scope of the present invention.

[0018] Example: Figure 1-2As shown, the present invention provides a shock-absorbing and energy-absorbing strengthening connection system for an original building and an additional building, comprising an original building 1, an additional building 2, a connecting plate 3, a high-strength energy-absorbing connecting steel plate 4, an internal circular hole 5, an energy-absorbing rib 6, a lead pin hole 7, a lead pin 8, a binding hole 9, a shape memory alloy wire 10, a shock-absorbing and decompressing spring 11, a suction cup device 12, a tensile and compressive elongation area 13, a connecting piece 14 and an elastic connecting cable 15; in the shock-absorbing and energy-absorbing strengthening connection system for an original building and an additional building, the original building 1 and the additional building 2 are connected by the connecting plate 3, the high-strength energy-absorbing connecting steel plate 4 and the lead pin 8, wherein the lead pin 8 passes through the lead pin hole 7 to connect two high-strength energy-absorbing connecting steel plates 4, a plurality of internal circular holes 5 are provided on the high-strength energy-absorbing connecting steel plate 4, energy-absorbing ribs 6 are provided between adjacent internal circular holes 5, and at one end of the high-strength energy-absorbing connecting steel plate 4 A lead pin hole 7 is provided, and a plurality of binding holes 9 are provided on the high-strength energy-absorbing connecting steel plate 4. A shape memory alloy wire 10 is adopted to pass through the binding hole 9 to connect the upper and lower adjacent high-strength energy-absorbing connecting steel plates 4. The upper and lower ends of the shock-absorbing and decompressing spring 11 and the elastic connecting rope 15 are respectively connected to the high-strength energy-absorbing connecting steel plates 4 adjacent thereto. A suction cup device 12 is provided, and the suction cup device 12 and the high-strength energy-absorbing connecting steel plates 4 adjacent thereto are connected through a connecting piece 14. A tensile and compressive stretching area 13 is provided between every two opposing suction cup devices 12. The two suction cup devices 12 are connected through the tensile and compressive stretching area 13. The suction cup device 12 and the tensile and compressive stretching area 13 are an integrated structure. The suction cup device 12 and the tensile and compressive stretching area 13 are prefabricated components. The elastic connecting rope 15 is provided through the enclosed space formed by the suction cup device 12 and the tensile and compressive stretching area 13.

[0019] The shock-absorbing and decompression spring 11, the upper and lower ends of the elastic connecting rope 15 and the high-strength energy-absorbing connecting steel plate 4 are connected by welding; one end of the connecting piece 14 and the high-strength energy-absorbing connecting steel plate 4 are connected by welding.

[0020] The suction cup device 12 is made of high damping rubber; the tension and compression extension area 13 and the elastic connecting rope 15 are made of elastic material; and the shock-absorbing and decompression spring 11 is made of high-strength and high-hardness spring steel.

[0021] The shock-absorbing and decompressing spring 11, the connecting piece 14 and the elastic connecting rope 15 are galvanized for corrosion protection.

[0022] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A shock-absorbing and energy-absorbing reinforced connection system for an original building and an additional building, comprising an original building (1), an additional building (2), a connection plate (3), a high-strength energy-absorbing connection steel plate (4), an internal circular hole (5), an energy-absorbing rib (6), a lead pin hole (7), a lead pin (8), a binding hole (9), a shape memory alloy wire (10), a shock-absorbing and decompressing spring (11), a suction cup device (12), a tension and compression extension area (13), a connection piece (14) and an elastic connection cable (15), characterized in that: In the shock-absorbing and energy-absorbing strengthening connection system of the original building and the additional building, the original building (1) and the additional building (2) are connected by a connection plate (3), a high-strength energy-absorbing connection steel plate (4), and a lead pin (8), wherein the lead pin (8) passes through a lead pin hole (7) to connect two high-strength energy-absorbing connection steel plates (4), a plurality of internal circular holes (5) are arranged on the high-strength energy-absorbing connection steel plate (4), energy-absorbing ribs (6) are arranged between adjacent internal circular holes (5), a lead pin hole (7) is arranged at one end of the high-strength energy-absorbing connection steel plate (4), a plurality of binding holes (9) are arranged on the high-strength energy-absorbing connection steel plate (4), and a shape memory alloy wire (10) is passed through the binding hole (9) to connect the upper and lower adjacent high-strength energy-absorbing connection steel plates (4) The shock-absorbing and decompression spring (11) and the elastic connecting rope (15) are respectively connected to the adjacent high-strength energy-absorbing connecting steel plate (4) at the upper and lower ends, and a suction cup device (12) is provided. The suction cup device (12) and the adjacent high-strength energy-absorbing connecting steel plate (4) are connected via a connecting piece (14). A tension-compression stretching area (13) is provided between each two opposing suction cup devices (12). The two suction cup devices (12) are connected via the tension-compression stretching area (13). The suction cup device (12) and the tension-compression stretching area (13) are an integrated structure. The suction cup device (12) and the tension-compression stretching area (13) are prefabricated components. The elastic connecting rope (15) is provided inside a closed space formed by the suction cup device (12) and the tension-compression stretching area (13); The shock-absorbing and decompressing spring (11), the upper and lower ends of the elastic connecting rope (15) and the high-strength energy-absorbing connecting steel plate (4) are connected by welding; One end of the connecting piece (14) and the high-strength energy-absorbing connecting steel plate (4) are connected by welding.

2. The seismic energy absorption and strengthening connection system of the original building and the additional building according to claim 1 is characterized by: The suction cup device (12) is made of high-damping rubber.

3. A seismic energy absorption and strengthening connection system for an existing building and an additional building according to claim 1, characterized in that: The tension and compression stretching area (13) and the elastic connecting rope (15) are made of elastic material.

4. The seismic energy absorption and strengthening connection system of the original building and the additional building according to claim 1 is characterized by: The shock-absorbing and decompressing spring (11) is made of high-strength and high-hardness spring steel.

5. The seismic energy absorption and strengthening connection system of the original building and the additional building according to claim 1 is characterized in that: The shock-absorbing and decompressing spring (11), the connecting piece (14) and the elastic connecting rope (15) are subjected to galvanizing for corrosion protection.

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