CN114622660B - Multistage shock attenuation, antidetonation engineering masonry structure - Google Patents
Multistage shock attenuation, antidetonation engineering masonry structure Download PDFInfo
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- CN114622660B CN114622660B CN202210212561.2A CN202210212561A CN114622660B CN 114622660 B CN114622660 B CN 114622660B CN 202210212561 A CN202210212561 A CN 202210212561A CN 114622660 B CN114622660 B CN 114622660B
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- damping
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to an engineering masonry structure with multistage shock absorption and earthquake resistance, which comprises: the bottom of the masonry is provided with a butt joint seat, and the upper part of the butt joint seat is provided with a base; the shock absorption masonry is positioned at the upper part of the base; a plurality of damping bodies are arranged in the damping masonry, a plurality of damping assemblies are arranged in the damping bodies, and the damping assemblies are embedded in a damping beam poured by cement; in order to design two-stage shock absorption, each stage of shock absorption forms composite shock absorption, in one shock absorption, when external pressure is applied to the upper part of the cap assembly, all the pressure is not applied to one cap assembly but is dispersed on a plurality of cap assemblies, each cap assembly presses down a main shock absorption spring which serves as a main shock absorption body, the cap edge lining plate presses down a return type shock absorption spring which serves as auxiliary shock absorption, and after the joint part is contacted with the support, the joint part forms a shock absorption limit of the primary shock absorption.
Description
Technical Field
The invention relates to the technical field of engineering masonry structures, in particular to an engineering masonry structure with multistage shock absorption and earthquake resistance.
Background
Generally in engineering construction such as bridge, tunnel, often need be at the partial damper of pressure-bearing structure, current damper basically adopts to be provided with the cushion socket in the bottom of pressure-bearing portion, sets up damping spring in the cushion socket, and damping spring is as the main mechanism of shock attenuation buffering, even if under damping spring's buffering, also can cause certain impact to the main part that the lower part supported, along with the impact time extension, will harm the structural nature of cushion socket main part, cause whole structure to take place to warp.
Disclosure of Invention
In view of the above, the present invention provides a multistage damping and anti-seismic engineering masonry structure, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
engineering masonry structure with multistage shock attenuation, antidetonation includes:
the masonry is made of a plurality of bricks,
the bottom of the masonry is provided with a butt joint seat, and the upper part of the butt joint seat is provided with a base;
the shock absorption masonry is positioned at the upper part of the base;
a plurality of damping bodies are arranged in the damping masonry,
a plurality of shock absorption assemblies are arranged in the shock absorption main body, and the shock absorption assemblies are embedded in a shock absorption beam poured by cement;
the shock-absorbing assembly has:
the base assembly comprises a base, wherein the middle part of the base is provided with a mounting groove, the middle part of the mounting groove is provided with an upwards-protruding supporting table, the supporting table is provided with a plurality of shock-absorbing steel plates which are butted together, a gap exists between every two adjacent shock-absorbing steel plates, each shock-absorbing steel plate is provided with an upwards Gong rising part, the lower part of each shock-absorbing steel plate is an embedded part, and the Gong rising part and the embedded parts are of an integrated structure and form a closed loop;
the support component is provided with a support, the bottom of the support is provided with an inwards concave notch, the lower part of the support is arranged in the mounting groove, and the support table and the damping steel plate on the upper part of the support table are butted with the notch;
the upper part of the support is provided with a clip-shaped groove body, a clip-shaped damping spring is arranged in the clip-shaped groove body, the middle part of the support is provided with a vertical damping groove arranged from top to bottom, a damping column is arranged in the vertical damping groove, and a main damping spring is arranged on the damping column; a cap assembly is arranged above the support, a cap edge lining plate corresponding to the square groove body is arranged at the lower part of the cap assembly, a cap core groove is formed in the middle part of the cap edge lining plate, and the upper part of the main damping spring props against the cap core groove; when external pressure is applied to the upper portion of the cap assembly, the cap assembly presses the main damping spring downwards, meanwhile, the cap edge liner plate presses the back type damping spring downwards to form primary damping, the pressure is transmitted to the support through the cap assembly, the support acts on the damping steel plate, part of the pressure is transmitted to the embedded part in the downward deformation process of the Gong rise part after the damping steel plate receives the pressure, the pressure is transmitted to the periphery of the base assembly through the embedded part to form pressure dissipation, so that the pressure bearing of the support assembly is reduced, and secondary damping is formed.
Further, the shock absorption bodies are three, and an equilateral triangle is formed among the three shock absorption bodies.
Further, the shock absorption assemblies are three, and an equilateral triangle is formed among the three shock absorption assemblies.
Furthermore, the base is provided with a plurality of transverse damping grooves on the side edge of the mounting groove, transverse damping springs are arranged in the transverse damping grooves, and one ends of the transverse damping springs abut against the support.
Furthermore, the shock absorption column and the support are of an integrated structure, and the height of the shock absorption column is lower than that of the support.
Further, a laminating portion has between cap core groove and the brim of a hat welt, and this laminating portion is used for installing at the back of returning the type inslot, cap core groove and main damping spring butt joint when the brim of a hat welt, and external pressure exerts when block subassembly upper portion, and the block subassembly pushes down main damping spring, and the brim of a hat welt pushes down back type damping spring in order to form a shock attenuation simultaneously, and laminating portion and back of support contact, laminating portion constitutes a absorbing shock attenuation spacing.
Furthermore, the cap core groove and the cap edge lining plate are of an integrated structure and are made of steel.
Further, the main damping spring is located in an annular groove formed between the damping post and the damping groove.
In order to design two-stage shock absorption, each stage of shock absorption forms composite shock absorption, in one shock absorption, when external pressure is applied to the upper part of a cap assembly, all the pressure is not borne on one cap assembly but is dispersed on a plurality of cap assemblies, each cap assembly presses down a main shock absorption spring which serves as a main body of the one shock absorption, the cap edge liner plate presses down a back type shock absorption spring which serves as auxiliary buffering, and after the attaching part is contacted with a support, the attaching part forms a shock absorption limiting position of the one shock absorption, so that all the pressure is not borne by the main shock absorption spring, the pressure is transmitted to the support from the cap assembly, the support acts on a shock absorption steel plate, part of the pressure is transmitted to the pre-embedded part in the process that the Gong rising part deforms downwards after the shock absorption steel plate is stressed, the pre-embedded part transmits the pressure to the periphery of the base assembly to form the pressure, so as to reduce the pressure borne by the support assembly and form the secondary shock absorption.
In the secondary damping, the shock attenuation steel sheet of closed loop is as the main part, but because the shock attenuation steel sheet has adopted the structure of closed loop, partial pressure can be transmitted to base subassembly by pre-buried portion all around in order to form pressure dissipation, simultaneously, the bearing capacity of dissipating can be cushioned by horizontal damping spring all around the support. The structure disperses and buffers the bearing force, and the stability of the main body and the base structure is favorably protected.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1 of the present invention;
FIG. 3 is a schematic cross-sectional view of the shock absorbing body according to the present invention;
FIG. 4 is a schematic structural view of a shock-absorbing steel plate according to the present invention;
fig. 5 is a plan view of the shock-absorbing body of the present invention.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings, and fig. 1 to 2.
Referring to fig. 1 to 5, the present invention provides an engineering masonry structure with multistage shock absorption and earthquake resistance, comprising:
the masonry is made of a plurality of bricks,
the bottom of the masonry is provided with a butt joint seat 1, and the upper part of the butt joint seat 1 is provided with a base 2;
the damping masonry 3 is positioned at the upper part of the base 2;
inside a plurality of shock attenuation main parts 4 that are provided with of shock attenuation brickwork 3, shock attenuation main part has threely, and constitutes equilateral triangle between the three shock attenuation main part.
A plurality of damping components 6 are arranged in the damping main body 4, and the damping components 6 are pre-embedded in a damping beam poured by cement; each shock absorption body 4 is provided with three shock absorption components 6, and an equilateral triangle is formed among the three shock absorption components 6.
The damper assembly 6 has:
the base assembly comprises a base 70, wherein an installation groove is formed in the middle of the base 70, an upward-protruding supporting table 74 is arranged in the middle of the installation groove, a plurality of shock absorption steel plates which are butted together are arranged on the supporting table 74, gaps exist between the adjacent shock absorption steel plates, the gaps are used for a space for downward buffering of a single shock absorption steel plate, the shock absorption steel plates are provided with an upward Gong rising part 76, the lower part of the shock absorption steel plates is an embedded part 75, and the Gong rising part 76 and the embedded part 75 are of an integral structure and form a closed loop;
the support assembly is provided with a support 67, the bottom of the support 67 is provided with an inwards concave notch 73, the lower part of the support 67 is installed in the installation groove, and the support 74 and the damping steel plate on the upper part of the support 74 are butted with the notch 73; a clip-shaped groove body 65 is arranged at the upper part of the support 67, a clip-shaped damping spring 64 is arranged in the clip-shaped groove body 65, a vertical damping groove 68 is arranged at the middle part of the support 67 from top to bottom, a damping column 69 is arranged in the vertical damping groove 68, and a main damping spring 66 is arranged on the damping column; a cap assembly is arranged above the support 67, a brim lining plate 63 corresponding to the clip groove 65 is arranged at the lower part of the cap assembly, a cap core groove 61 is arranged at the middle part of the brim lining plate 63, and the upper part of the main damping spring 66 is propped against the cap core groove 61; when external pressure is applied to the upper portion of the cap assembly, the cap assembly presses the main damping spring 66 downwards, meanwhile, the cap edge lining plate 63 presses the back type damping spring 64 downwards to form primary damping, the pressure is transmitted to the support 67 through the cap assembly, the support 67 acts on the damping steel plate with the pressure, partial pressure is transmitted to the embedded part 75 in the downward deformation process of the Gong rising part 76 after the damping steel plate receives the pressure, the pressure is transmitted to the periphery of the base assembly through the embedded part 75 to form pressure dissipation, so that pressure bearing on the support assembly is reduced, and secondary damping is formed.
In the above description, a plurality of transverse damping grooves 71 are formed in the base 70 at the side of the mounting groove, and transverse damping springs 72 are disposed in the transverse damping grooves 71, wherein one ends of the transverse damping springs 72 abut against the support 70.
The shock absorption column and the support 67 are of an integral structure, and the height of the shock absorption column is lower than that of the support. This design is designed to leave enough damping space for the main damping spring 66 without contacting the cap core groove 61 with the shock post, reducing the stamping of the shock post.
In the above, an attaching portion 62 is provided between the cap core groove 61 and the cap rim lining plate 63, the attaching portion 62 is used for pressing down the main damping spring 66 when the cap rim lining plate 63 is installed in the clip groove 65 and the cap core groove 61 and the main damping spring 66 are butted, and when external pressure is applied to the upper portion of the cap assembly, the cap assembly presses down the main damping spring 66, and simultaneously the cap rim lining plate presses down the clip damping spring to form primary damping, and after the attaching portion is contacted with the support, the attaching portion constitutes a damping limit of the primary damping.
In the above, the cap core groove and the cap rim lining plate are of an integral structure and are made of steel.
In the above, the main damping spring is located in an annular groove formed between the damping post and the damping groove.
In order to design two-stage damping, the invention specifically comprises the following structures: the bottom of the masonry is provided with a butt joint seat 1, and the upper part of the butt joint seat 1 is provided with a base 2; the damping masonry 3 is positioned at the upper part of the base 2; inside a plurality of shock attenuation main parts 4 that are provided with of shock attenuation brickwork 3, shock attenuation main part has threely, and constitutes equilateral triangle between the three shock attenuation main part. A plurality of damping components 6 are arranged in the damping main body 4, and the damping components 6 are pre-embedded in a damping beam poured by cement; each shock absorption body 4 is provided with three shock absorption components 6, and an equilateral triangle is formed among the three shock absorption components 6. The damper assembly 6 has: a base assembly including a base 70, wherein an installation groove is formed in the middle of the base 70, a support table 74 protruding upward is formed in the middle of the installation groove, a plurality of shock-absorbing steel plates butted together are arranged on the support table 74, a gap exists between the adjacent shock-absorbing steel plates, the gap is used for a space for downward buffering of a single shock-absorbing steel plate, the shock-absorbing steel plate has an upward Gong rise portion 76, the lower portion is an embedded portion 75, and the Gong rise portion 76 and the embedded portion 75 are of an integral structure and form a closed loop; the support assembly is provided with a support 67, the bottom of the support 67 is provided with an inwards concave notch 73, the lower part of the support 67 is installed in the installation groove, and the support 74 and a damping steel plate on the upper part of the support 74 are butted with the notch 73; a clip-shaped groove body 65 is arranged at the upper part of the support 67, a clip-shaped damping spring 64 is arranged in the clip-shaped groove body 65, a vertical damping groove 68 is arranged at the middle part of the support 67 from top to bottom, a damping column 69 is arranged in the vertical damping groove 68, and a main damping spring 66 is arranged on the damping column; a cap assembly is arranged above the support 67, a cap edge lining plate 63 corresponding to the clip groove 65 is arranged at the lower part of the cap assembly, a cap core groove 61 is arranged at the middle part of the cap edge lining plate 63, and the upper part of the main damping spring 66 is propped against the cap core groove 61; because the invention provides two-stage shock absorption, each stage of shock absorption forms composite shock absorption, in one shock absorption, when external pressure is applied to the upper part of the cap assembly, all the pressure is not loaded on one cap assembly but is dispersed on a plurality of cap assemblies, each cap assembly presses down the main shock absorption spring 66, the main shock absorption spring 66 is used as a main body of the one shock absorption, the cap edge liner plate 63 presses down the back type shock absorption spring 64 as an auxiliary buffer, and after the attaching part 65 is contacted with the support 67, the attaching part 65 forms a shock absorption limit of the one shock absorption, so that all the pressure is not transferred to the support 67 by the main shock absorption spring 66, the pressure is transferred to the support 67 by the cap assembly, the support 67 acts on the shock absorption steel plate, part of the pressure is transferred to the embedded part 75 in the process that the Gong rising part deforms downwards after the shock absorption steel plate is subjected to the pressure, the embedded part 75 is transferred to the periphery of the base assembly to form the pressure, so as to relieve the load bearing of the support assembly, and form the second shock absorption. In the secondary damping, the shock attenuation steel sheet of closed loop is as the main part, but because the shock attenuation steel sheet has adopted the structure of closed loop, partial pressure can be transmitted to base subassembly by pre-buried portion all around in order to form pressure dissipation, simultaneously, the bearing capacity of dissipating can be cushioned by horizontal damping spring all around the support. The structure disperses and buffers the bearing force, and the stability of the main body and the base structure is favorably protected.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. It should be noted that there are no specific structures but rather a few limitations to the preferred embodiments of the present invention, and that many modifications, adaptations, and variations are possible and can be made by one skilled in the art without departing from the principles of the present invention; such modifications, variations, or combinations, or other applications of the inventive concepts and solutions as may be employed without such modifications, are intended to be included within the scope of the present invention.
Claims (7)
1. Engineering masonry structure with multistage shock attenuation, antidetonation, its characterized in that includes:
the masonry is made of a plurality of bricks,
the bottom of the masonry is provided with a butt joint seat, and the upper part of the butt joint seat is provided with a base;
the shock absorption masonry is positioned at the upper part of the base;
a plurality of damping bodies are arranged in the damping masonry,
a plurality of shock absorption assemblies are arranged in the shock absorption main body, and the shock absorption assemblies are embedded in a shock absorption beam poured by cement;
the shock-absorbing assembly has:
the base assembly comprises a base, wherein the middle part of the base is provided with a mounting groove, the middle part of the mounting groove is provided with an upwards-protruding supporting table, the supporting table is provided with a plurality of shock-absorbing steel plates which are butted together, a gap exists between every two adjacent shock-absorbing steel plates, each shock-absorbing steel plate is provided with an upwards Gong rising part, the lower part of each shock-absorbing steel plate is an embedded part, and the Gong rising part and the embedded parts are of an integrated structure and form a closed loop;
the support component is provided with a support, the bottom of the support is provided with an inwards concave notch, the lower part of the support is arranged in the mounting groove, and the support table and the damping steel plate on the upper part of the support table are butted with the notch;
the upper part of the support is provided with a clip-shaped groove body, a clip-shaped damping spring is arranged in the clip-shaped groove body, the middle part of the support is provided with a vertical damping groove arranged from top to bottom, a damping column is arranged in the vertical damping groove, and a main damping spring is arranged on the damping column; a plurality of cap components are arranged above the support, cap edge lining plates which correspond to the clip groove bodies are arranged at the lower parts of the cap components, cap core grooves are formed in the middle parts of the cap edge lining plates, and the upper parts of the main damping springs abut against the cap core grooves; when external pressure is applied to the upper portion of the cap assembly, the cap assembly presses the main damping spring downwards, meanwhile, the cap edge liner plate presses the back type damping spring downwards to form primary damping, the pressure is transmitted to the support from the cap assembly, the support acts on the damping steel plate, part of the pressure is transmitted to the embedded portion in the downward deformation process of the Gong rising portion of the damping steel plate after the damping steel plate is subjected to the pressure, and the pressure is transmitted to the periphery of the base assembly from the embedded portion to form pressure dissipation so as to reduce pressure bearing on the support assembly and form secondary damping;
the utility model discloses a cap assembly, including cap core groove, cap brim welt, cap core groove, cap subassembly, and the welt lining board, the cap core groove has a laminating portion between cap core groove and the cap brim welt, and this laminating portion is used for installing at returning the internal, cap core groove and the main damping spring butt joint back of groove when the cap brim welt, and when external pressure was applyed on cap subassembly upper portion, the cap subassembly pushed down main damping spring, and the cap brim welt pushes down back type damping spring in order to form a shock attenuation simultaneously, and laminating portion and support contact back, and the laminating portion constitutes a absorbing shock attenuation spacing.
2. The multistage damping, anti-seismic engineering masonry structure according to claim 1, characterized in that there are three damping bodies, and an equilateral triangle is formed between the three damping bodies.
3. The multistage damping, anti-seismic engineering masonry unit according to claim 1 wherein there are three damping assemblies, and the three damping assemblies form an equilateral triangle therebetween.
4. The multistage damping and anti-seismic engineering masonry structure according to claim 1, characterized in that a plurality of transverse damping grooves are formed in the base and located on the side of the mounting groove, transverse damping springs are arranged in the transverse damping grooves, and one ends of the transverse damping springs abut against the support.
5. The multistage damping, anti-seismic engineering masonry structure according to claim 1, characterized in that the damping columns and the supports are of an integral structure, and the height of the damping columns is lower than that of the supports.
6. The multistage damping, earthquake resistant engineered masonry structure according to claim 1 wherein the hat core groove and the hat brim liner are of an integral structure and are made of steel.
7. The multi-level shock absorbing, shock resistant engineered masonry structure according to claim 1, wherein the main shock absorbing spring is located in an annular groove formed between the shock absorbing column and the shock absorbing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210212561.2A CN114622660B (en) | 2022-03-04 | 2022-03-04 | Multistage shock attenuation, antidetonation engineering masonry structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210212561.2A CN114622660B (en) | 2022-03-04 | 2022-03-04 | Multistage shock attenuation, antidetonation engineering masonry structure |
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| CN114622660A CN114622660A (en) | 2022-06-14 |
| CN114622660B true CN114622660B (en) | 2022-11-18 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6457285B1 (en) * | 1999-09-09 | 2002-10-01 | Hector Valencia | Aseismic system |
| JP2016217131A (en) * | 2016-07-22 | 2016-12-22 | 矢作建設工業株式会社 | Earthquake-isolation device |
| CN107780339A (en) * | 2017-12-19 | 2018-03-09 | 成都知睿科技有限公司 | A kind of road and bridge shock mount |
| CN211420842U (en) * | 2019-08-14 | 2020-09-04 | 邓接华 | Bridge anti-seismic support |
| CN212026614U (en) * | 2019-11-27 | 2020-11-27 | 常熟市桥隧橡胶有限责任公司 | Rubber support for building shock insulation |
| CN112376718A (en) * | 2020-11-21 | 2021-02-19 | 东莞市隆润机械设计有限公司 | Bidirectional horizontal adjustable tuned mass damper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210140928U (en) * | 2019-05-13 | 2020-03-13 | 喻涛 | Building shock isolation device |
-
2022
- 2022-03-04 CN CN202210212561.2A patent/CN114622660B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6457285B1 (en) * | 1999-09-09 | 2002-10-01 | Hector Valencia | Aseismic system |
| JP2016217131A (en) * | 2016-07-22 | 2016-12-22 | 矢作建設工業株式会社 | Earthquake-isolation device |
| CN107780339A (en) * | 2017-12-19 | 2018-03-09 | 成都知睿科技有限公司 | A kind of road and bridge shock mount |
| CN211420842U (en) * | 2019-08-14 | 2020-09-04 | 邓接华 | Bridge anti-seismic support |
| CN212026614U (en) * | 2019-11-27 | 2020-11-27 | 常熟市桥隧橡胶有限责任公司 | Rubber support for building shock insulation |
| CN112376718A (en) * | 2020-11-21 | 2021-02-19 | 东莞市隆润机械设计有限公司 | Bidirectional horizontal adjustable tuned mass damper |
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| Publication number | Publication date |
|---|---|
| CN114622660A (en) | 2022-06-14 |
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