CN218508512U - Novel damping system with synergistic effect of main structure and supporting structure - Google Patents
Novel damping system with synergistic effect of main structure and supporting structure Download PDFInfo
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- CN218508512U CN218508512U CN202222453857.1U CN202222453857U CN218508512U CN 218508512 U CN218508512 U CN 218508512U CN 202222453857 U CN202222453857 U CN 202222453857U CN 218508512 U CN218508512 U CN 218508512U
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Abstract
The utility model relates to a shock attenuation technical control field, and disclose a new shock attenuation system of major structure and supporting construction synergism, include the major structure of constituteing by the superstructure that basement and basement outside set up, and be provided with all around of basement rather than spaced supporting construction, the basement is including the basement floor of the basement outer wall and junction of pouring all around, the basement bottom plate of being connected with the soil layer has been pour to the bottom, be provided with multiunit energy dissipation damping device between major structure and the supporting construction, supporting construction links together through energy dissipation damping device and major structure's basement, realizes the three-dimensional shock attenuation of major structure. The novel damping system with the synergistic effect of the supporting structure and the main body structure maximizes the utilization rate of the supporting structure, realizes the synergistic effect between the main body structure and the supporting structure through effective design, and has the advantages of variable forms, strong adaptability and wide application prospect and good damping effect.
Description
Technical Field
The utility model relates to a shock attenuation technical control field specifically is a new shock attenuation system of major structure and supporting construction synergism.
Background
Under the extensive construction background of engineering structure, after building major structure completion, a large amount of underground structure have been left over in the soil layer, traditional underground structure leaves over and causes the material extravagant in the soil layer, the traditional way in space between major structure and the supporting construction is backfilled with soil, how utilize these supporting construction of leaving over in the soil layer, realize underground structure secondary utilization, it is the problem that present engineering technical staff used to solve.
Moreover, china is one of the countries with the strongest earthquake activities and the most serious earthquake disasters in the world, and meanwhile, the number of foundation pit projects in earthquake-prone zones in China is increasing day by day, so that how to fully and effectively utilize a foundation pit supporting structure to reduce the earthquake action of a main structure becomes an important problem. The existing foundation pit supporting structure is mainly researched to be fully utilized, the existing foundation pit supporting structure mainly focuses on building and building engineering shared enclosure structures, the supporting structure is also taken as a temporary structure, the foundation pit supporting structure cannot be utilized to the maximum extent, meanwhile, a design method utilizing the performance requirements of the foundation pit supporting structure is not precedent, and therefore a new damping system with the main structure and the supporting structure acting in a synergistic mode is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a new shock attenuation system of major structure and supporting construction synergism has solved foretell problem.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a new shock attenuation system of major structure and supporting construction synergism, includes the major structure who comprises the superstructure that basement and basement outside set up, and be provided with all around the basement rather than spaced supporting construction, the basement includes the basement floor of the basement outer wall and the junction of pouring all around, and the basement bottom plate of being connected with the soil layer has been pour to the bottom basement, be provided with multiunit energy dissipation device between major structure and the supporting construction, the supporting construction links together through energy dissipation device and major structure's basement.
Preferably, energy dissipation damping device includes damping device left end plate, damping device and damping device right-hand member board, the supporting construction is provided with the damping device left end plate on being close to the outer wall of basement outer wall, be provided with the damping device right-hand member board on the supporting construction's that the basement outer wall is close to the outer wall, and damping device left end plate and damping device right-hand member board bilateral symmetry, the damping device left end plate passes through fixedly connected with damping device with the damping device right-hand member board, damping device is located the midpoint department of damping device left end plate and damping device right-hand member board.
Preferably, the damping device is a damper fixedly connected with the left end plate and the right end plate of the damping device.
Preferably, the damping device is exemplarily composed of a three-dimensional viscoelastic damper having a spatial energy dissipating capability.
Preferably, the installation positions of the left end plate of the damping device, the damping device and the right end plate of the damping device are on the same horizontal line with the floor slab of the basement at the joint of the basement.
Preferably, the left end plate of the damping device is a concrete end plate which is made by reserving hole sites when the supporting structure is cast.
Preferably, the left end plate of the damping device is a steel end plate which is manufactured by reserving hole sites when the supporting structure is cast.
Preferably, the damping device right-hand member board is for pouring the shaping after reserving the reinforcing bar hole site in the time of basement floor and basement outer wall among the major structure, and damping device right-hand member board joint construction is unanimous with the damping device left end board.
(III) advantageous effects
Compared with the prior art, the utility model provides a new shock attenuation system of major structure and supporting construction synergism possesses following beneficial effect:
1. the novel damping system with the main structure and the supporting structure acting in a synergistic mode utilizes the residual value of the supporting structure of the foundation pit, the secondary utilization of the value of the supporting structure of the foundation pit is realized, the supporting structure of the foundation pit is used as a temporary structure and is discarded after the construction of underground engineering is completed, a large number of supporting structures are reserved in a stratum as permanent construction waste, resource waste and environmental pollution are caused, and the sustainable development of urban underground space is not facilitated.
2. This new shock attenuation system of major structure and supporting construction synergism, the innovative space between applying supporting construction and main part to energy consumption damping device has provided energy consumption damping device's a new application prospect to can realize the synergism between major structure and the supporting construction through effective design, energy consumption damping device's form is changeable moreover, strong adaptability has wide application prospect and fine shock attenuation effect.
3. The new damping system with the main structure and the supporting structure acting in a synergistic mode has economic and social benefits and is influenced by increasingly tense urban land resources, and a newly-built building is inevitably adjacent to an existing enclosure structure. When the existing enclosure structure influences the construction of the enclosure structure of the foundation pit to be built, cleaning treatment is usually needed, so that the construction cost is increased, the construction period is prolonged, and the safety of the surrounding environment is influenced by cleaning and re-constructing the enclosure structure of the existing structure. By utilizing the residual value of the existing enclosure structure, the construction cost is reduced, the construction period is shortened, and the influence of construction on the surrounding environment is weakened, so that safe, economic and environment-friendly construction is realized.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the damper of the present invention;
FIG. 3 is a schematic structural view of the three-dimensional viscoelastic damper as the damping device of the present invention;
fig. 4 is a schematic structural view of the joint of the end plate and the shock-absorbing device of the present invention.
In the figure: 1. a basement floor slab; 2. a basement exterior wall; 3. a basement floor; 4. a support structure; 5. a left end plate of the damping device; 6. a damping device; 7. damping device right side end plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a new damping system with a synergistic effect of a main structure and a supporting structure comprises a main structure consisting of a basement and an upper structure arranged outside the basement, wherein the supporting structure 4 is arranged around the basement at intervals, the basement comprises a basement outer wall 2 poured around and a basement floor 1 at a joint, a basement bottom plate 3 connected with a soil layer is poured on the basement at the bottom, a plurality of groups of energy dissipation and damping devices are arranged between the main structure and the supporting structure 4, the supporting structure 4 is connected with the basement of the main structure through the energy dissipation and damping devices, three-dimensional damping of the main structure is realized, and the energy dissipation and damping devices have three-dimensional deformation and three-dimensional energy dissipation capabilities and are used for dissipating energy input into the structure by an earthquake or other vibrations and reducing the shock (vibration) response of the structure.
Energy consumption damping device includes damping device left end plate 5, damping device 6 and damping device right end plate 7, supporting structure 4 is provided with damping device left end plate 5 on being close to the outer wall of basement outer wall 2, be provided with damping device right end plate 7 on the supporting structure 4's that basement outer wall 2 is close to the outer wall, and damping device left end plate 5 and 7 bilateral symmetry of damping device right end plate, damping device left end plate 5 passes through fixedly connected with damping device 6 with damping device right end plate 7, damping device 6 is located the midpoint of damping device left end plate 5 and damping device right end plate 7.
The positions of the left end plate 5, the damping device 6 and the right end plate 7 of the damping device are on the same horizontal line with the basement floor slab 1 at the basement joint.
The concrete end plate or the steel end plate that the hole site preparation formed are reserved when damping device left end plate 5 pours the shaping for supporting construction 4, concrete structure size designs according to damping device's size and major structure and supporting construction 4 space within a definite time etc, damping device reserves the hole site and adopts bolted connection and control end plate connection, realize that damping device's damage is easily changed, and connect the structure reliable and stable, can install in a flexible way, be convenient for install in the actual engineering, do not influence building service function. If the self-recovery type damping device is adopted, the connection can be realized by welding and the like, and the more reliable connection structure of the damping device 6 without replacement is realized. The damping device right end plate 7 is when the major structure basement outer wall 2, post, floor construction reserve the post-pouring shaping such as reinforcing bar hole site, and connection structure etc. is unanimous with the left end plate.
The damping means 6 of the dissipative damping device can be a support, a damper or the like, including but not limited to the forms listed above, for dissipating the energy input by an earthquake or other vibrations into the structure and reducing the shock response of the structure, and the dissipative damping device is usually used inside a building structure or between structures, but has not been applied between the main structure and the supporting structure 4 to reduce the shock response of the main structure. The energy dissipation and shock absorption device can be used for passive, active or hybrid control of the structure and the like. The working mechanism is that under the action of small vibration/weak wind vibration, the relative deformation between the supporting structure 4 and the main structure is small, and the damper provides certain additional rigidity for the main structure; under the action of large earthquake/strong wind vibration, the supporting structure 4 and the main structure are relatively deformed greatly, a force transmission belt is damaged, and the damper dissipates external input energy by utilizing deformation such as tension, compression, shearing, bending and the like, so that the earthquake reaction of the main structure is effectively reduced;
when the energy dissipation and shock absorption device is a damper, the energy dissipation and shock absorption device can be a displacement type or speed type damper, such as a three-dimensional viscoelastic damper, a viscous damper, a metal damper and the like, and can dissipate energy input into a structure by external excitation (such as earthquake, subway, vehicle vibration and the like), so that the effects of energy dissipation and shock absorption are achieved, and the shock response of the structure is reduced.
If the damping device 6 in the energy-consuming damping device is a viscous damper, the viscous damper consists of a piston, a piston rod and a cylinder for storing viscous liquid, is usually used for reducing wind vibration or earthquake resistance of high-rise building structures and bridges, building structure earthquake-resistant reconstruction, industrial pipeline equipment earthquake resistance, military industry and other fields, is a common damper used in various types of dampers at present, and is a damper without rigidity and with speed correlation. The working mechanism is that the piston rod moves in the cylinder body under the excitation of an earthquake or other external factors to force the pressurized fluid to pass through the pores or gaps, so that the damping force is generated, and the energy dissipation and shock absorption effects are achieved. The viscous damper device mainly contributes to playing a three-dimensional damping and energy dissipation role on a main body structure through the relative displacement of the main body structure and the supporting structure 4 under the action of an earthquake.
For example, the damping device 6 in the energy dissipation damping device is composed of a three-dimensional viscoelastic damper, when the damper has space energy dissipation capacity, the damper can provide axial bearing capacity, can realize hysteretic energy dissipation in the direction perpendicular to the axis, can dissipate energy under the condition of smaller vibration, can be simultaneously used for controlling earthquake and wind vibration of a structure, and solves the problem that how initial rigidity of other energy dissipation devices is matched with lateral movement rigidity of the structure. When the main structure and the supporting structure 4 generate relative displacement, the support can be driven by the relative displacement between the main structure and the enclosure structure to hysteresis energy consumption, the energy input into the structure by earthquake is dissipated, and the earthquake response of the main structure is reduced.
The energy dissipation and shock absorption device in the device can be arranged at a plurality of positions between the supporting structure 4 and the main body structure, the mounting position can be at the outer wall, the column and the floor of the basement, the rigid or flexible connection energy dissipation of the main body structure and the supporting structure 4 is realized through the shock absorption device, according to the requirement of vibration analysis, the energy dissipation and shock absorption device is arranged at the position where the main body structure and the supporting structure 4 have large relative displacement or relative speed, and the vibration response of the structure can be effectively reduced.
The working principle is as follows: under the action of small vibration/weak wind vibration, the relative deformation between the supporting structure 4 and the main structure is small, and the damper provides certain additional rigidity for the main structure; under the action of large earthquake/strong wind vibration, the supporting structure 4 and the main structure are relatively deformed greatly, the force transmission belt is damaged, and the damper dissipates external input energy by utilizing deformation such as tension, compression, shearing, bending and the like, so that the earthquake reaction of the main structure is effectively reduced.
The utility model provides a new shock attenuation system makes supporting construction's utilization ratio reach the maximize to realize the synergism between major structure and the supporting construction through effective design, energy consumption damping device's form is changeable moreover, and strong adaptability has wide application prospect and fine shock attenuation effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a new shock attenuation system of major structure and supporting construction synergism, includes the major structure who comprises the superstructure of basement and the outside setting of basement, and be provided with all around the basement rather than spaced supporting construction (4), the basement includes basement outer wall (2) and the basement floor (1) of junction of pouring all around, and basement bottom plate (3) of being connected with the soil layer, its characterized in that are pour to the bottom basement: a plurality of groups of energy dissipation and shock absorption devices are arranged between the main body structure and the supporting structure (4), and the supporting structure (4) is connected with the basement of the main body structure through the energy dissipation and shock absorption devices.
2. The new shock absorbing system of claim 1, wherein the new shock absorbing system comprises a main structure and a supporting structure, and the new shock absorbing system comprises: energy dissipation damping device includes damping device left end plate (5), damping device (6) and damping device right end plate (7), be provided with damping device left end plate (5) on the outer wall that supporting construction (4) are close to basement outer wall (2), be provided with damping device right end plate (7) on the outer wall of supporting construction (4) that basement outer wall (2) are close to, and damping device left end plate (5) and damping device right end plate (7) bilateral symmetry, damping device left end plate (5) and damping device right end plate (7) are through fixedly connected with damping device (6), damping device (6) are located the mid point department of damping device left end plate (5) and damping device right end plate (7).
3. The novel shock absorption system for the main structure and the supporting structure in synergistic action is characterized in that: the damping device (6) is a damper fixedly connected with the left end plate (5) and the right end plate (7) of the damping device.
4. The new shock absorbing system of claim 2, wherein the new shock absorbing system comprises a main structure and a supporting structure, and the new shock absorbing system comprises: the damping device (6) is exemplarily composed of a three-dimensional viscoelastic damper having a spatial energy dissipating capability.
5. The new shock absorbing system of claim 2, wherein the new shock absorbing system comprises a main structure and a supporting structure, and the new shock absorbing system comprises: the installation positions of the damping device left end plate (5), the damping device (6) and the damping device right end plate (7) are on the same horizontal line with the basement floor (1) at the basement joint.
6. The new shock absorbing system of claim 2, wherein the new shock absorbing system comprises a main structure and a supporting structure, and the new shock absorbing system comprises: the left end plate (5) of the damping device is a concrete end plate which is made by reserving hole sites when the supporting structure (4) is poured and formed.
7. The new shock absorbing system of claim 2, wherein the new shock absorbing system comprises a main structure and a supporting structure, and the new shock absorbing system comprises: the left end plate (5) of the damping device is a steel end plate which is manufactured by reserving hole sites when the supporting structure (4) is cast.
8. The new shock absorbing system of claim 2, wherein the new shock absorbing system comprises a main structure and a supporting structure, and the new shock absorbing system comprises: the damping device right end plate (7) is formed by pouring after reserving reinforcing steel bar hole sites for the basement floor (1) and the basement outer wall (2) in the main body structure, and the connecting structure of the damping device right end plate (7) is consistent with that of the damping device left end plate (5).
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CN202222453857.1U CN218508512U (en) | 2022-09-16 | 2022-09-16 | Novel damping system with synergistic effect of main structure and supporting structure |
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CN202222453857.1U CN218508512U (en) | 2022-09-16 | 2022-09-16 | Novel damping system with synergistic effect of main structure and supporting structure |
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