CN111236424A - Intelligent damping structure of assembled frame - Google Patents
Intelligent damping structure of assembled frame Download PDFInfo
- Publication number
- CN111236424A CN111236424A CN202010038135.2A CN202010038135A CN111236424A CN 111236424 A CN111236424 A CN 111236424A CN 202010038135 A CN202010038135 A CN 202010038135A CN 111236424 A CN111236424 A CN 111236424A
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- embedded body
- shaped steel
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- column
- steel plate
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- 238000013016 damping Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 83
- 239000010959 steel Substances 0.000 claims abstract description 83
- 239000000919 ceramic Substances 0.000 claims abstract description 20
- 230000035939 shock Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 2
- 238000010008 shearing Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 11
- 230000001133 acceleration Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Classifications
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
An intelligent damping structure of an assembled frame comprises a prefabricated beam and a prefabricated column, wherein the prefabricated beam is connected with the prefabricated column through a hinge structure, and a beam-column node intelligent damping device is installed below the hinge structure; the beam-column joint intelligent damping device comprises a first embedded body and a second embedded body, wherein one end of the first embedded body is hinged with one end of the second embedded body, and two first fan-shaped steel plates are arranged on the inner side of the first embedded body; a second fan-shaped steel plate is arranged on the inner side of the second embedded body and is arranged between the two first fan-shaped steel plates; a first high-strength bolt is arranged on the second fan-shaped steel plate; piezoelectric ceramics are arranged on one side of the first high-strength bolt and connected with a controller. The controller adjusts the voltage of the piezoelectric ceramics under the action of different earthquake loads, thereby adjusting the rotation friction force and the sliding friction force of the core area, achieving the aim of self-adapting the overall structure to the earthquake response and realizing real-time variable friction shearing resistance under the action of medium and small earthquakes.
Description
Technical Field
The invention relates to an intelligent damping structure of an assembly type frame.
Background
In order to meet the demand of increasingly diversified building forms in modern society, the building height and span are continuously increased, and therefore, the cooperative development of structures and related design theories is required. The fabricated structure has the advantages of high construction speed, guaranteed component quality, labor saving and the like. It has been widely used in markets, parking lots, middle and low-rise houses, hotels, etc. in countries such as new zealand, canada, japan, and the united states, and the specific types of structures used are fabricated frames, shear wall structures, prefabricated prestressed structures, etc. In order to adapt to new economic development conditions in China, the assembly type structure is rapidly developed, and relevant policy documents, industry standards and the like are established by the nation to promote the application of the assembly type structure in China.
In actual engineering projects, most fabricated buildings adopt the same cast-in-place construction principle. Although the strength and the structural stability of the construction principle can meet the requirements, when the building encounters a disastrous earthquake, the structure consumes less earthquake energy, and the node is seriously damaged. It is therefore necessary to provide shock absorbing and energy dissipating devices at the nodes to protect the nodes.
Disclosure of Invention
The invention provides an intelligent damping structure of an assembly type frame, which solves the defects in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
an assembled frame intelligent damping structure comprises a beam-column node intelligent damping device, a prefabricated beam and a prefabricated column, wherein the prefabricated beam is connected with the prefabricated column through a hinge structure, and the beam-column node intelligent damping device is installed below the hinge structure;
the beam-column joint intelligent damping device comprises a first embedded body and a second embedded body, wherein the first embedded body is horizontally arranged, the second embedded body is vertically arranged, and one end of the first embedded body is hinged with one end of the second embedded body;
two first fan-shaped steel plates are arranged on the inner side of the first embedded body; the first fan-shaped steel plates are all provided with through arc-shaped rails;
a second fan-shaped steel plate is arranged on the inner side of the second embedded body and is arranged between the two first fan-shaped steel plates;
two side walls of the second fan-shaped steel plate are respectively provided with a first high-strength bolt which is fixed on the second fan-shaped steel plate and can slide along the arc-shaped track;
piezoelectric ceramics are arranged on one side of the first high-strength bolt and connected with a controller.
The invention is further improved in that the first fan-shaped steel plate is linked with the precast beam, and the second fan-shaped steel plate is linked with the precast column.
The invention has the further improvement that gaskets are arranged on two sides of the first high-strength bolt, and piezoelectric ceramics are arranged on the outer sides of the gaskets.
The invention is further improved in that the piezoelectric ceramic is fixed by a high-strength nut.
The invention has the further improvement that the first embedded body and the second embedded body of the beam-column joint intelligent damping device are connected through a hinge bearing.
The invention has the further improvement that the hinge structure comprises a hinge first embedded body and a hinge second embedded body, the hinge first embedded body is connected with the precast beam through a second high-strength bolt, the hinge second embedded body is connected with the precast columns through a third high-strength bolt, and each precast column is connected with the hinge second embedded body through a transverse steel plate.
The invention has the further improvement that one end of the steel plate extends into the prefabricated column, and the other end of the steel plate extends into the second embedded body.
The invention has the further improvement that a first U-shaped steel plate is arranged outside the hinged first embedded body, two second U-shaped steel plates are arranged outside the second embedded body, the distance between the two second U-shaped steel plates is the same as the width of the first U-shaped steel plate outside the first embedded body, circular through holes are formed in the corresponding positions of the three U-shaped steel plates, and the three U-shaped steel plates are connected through a second high-strength bolt and can rotate around the second high-strength bolt.
The invention has the further improvement that the first embedded body and the second embedded body are both rectangular structures, and the first embedded body and the second embedded body are high-strength steel plates which have the same sectional dimension as the precast beam and have the same thickness.
Compared with the prior art, the invention has the beneficial effects that:
according to the beam-column node intelligent damping device, the first embedded body and the second embedded body of the beam-column node intelligent damping device are connected to the piezoelectric ceramics through preset voltage, a rotating friction force and a sliding friction force exist between the two embedded bodies, the first embedded body and the second embedded body have an initial balance friction force, a novel hinge point is prevented from rotating, and the beam-column node intelligent damping device is in a static state.
In middle and small earthquakes, the PCB piezoelectric acceleration sensor (or 891 type displacement sensor) detects a small or medium level structural earthquake response, and the controller logically calculates corresponding voltage and further applies the voltage to piezoelectric ceramics in a novel device I, so that static friction force between the embedded body sector plates is changed in real time, the capacity of resisting deformation and displacement of a beam-column joint core area is enhanced, and the purpose that the structure does not generate displacement is achieved.
In rare chance earthquake, PCB piezoelectric type acceleration sensor (or 891 type displacement sensor) is through detecting the structure earthquake response of stronger level, thereby the controller logic calculates corresponding voltage, and then applys the voltage of certain degree to piezoceramics, novel beam column pin joint takes place to rotate in order to increase new node displacement this moment, then high strength bolt begins to slide along predetermineeing the track, piezoceramics's effect has increased the pressure between the pre-buried body, thereby delay the deformation displacement of beam column core region, the deformation of structure is coordinated and is accorded with the national standard this moment. Wherein, the embedded body base can be provided with two to three groups of same fan-shaped steel plates to strengthen the capability of resisting deformation displacement.
The controller adjusts the voltage of the piezoelectric ceramics under the action of different earthquake loads, so that the rotation friction force and the sliding friction force of a core area are adjusted, the aim of self-adapting the overall structure to the earthquake response is fulfilled, and the real-time variable-friction shear resistance under the action of medium and small earthquakes is realized; under the action of rare earthquakes, a large amount of earthquake energy is consumed.
Furthermore, the electrified voltages of the piezoelectric ceramics arranged at the sliding connection position are equal, so that the friction force on the friction contact surface between the two embedded bodies is equal everywhere.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a top view of the present invention.
FIG. 4 is a schematic view of the beam-column hinge joint connection of the present invention.
Fig. 5 is a schematic view of the overall structure of the present invention.
In the figure, 1 is a first embedded body, 101 is an arc-shaped rail, 2 is a second embedded body, 3 is a first fan-shaped steel plate, 4 is a second fan-shaped steel plate, 5 is a gasket, 6 is piezoelectric ceramic, 7 is a high-strength nut, 8 is a first high-strength bolt, 9 is a prefabricated beam, 10 is a prefabricated column, 11 is a hinged structure, 12 is a hinge bearing, 13 is a hinged first embedded body, 14 is a hinged second embedded body, 15 is a second high-strength bolt, 16 is a first U-shaped steel plate, 17 is a second U-shaped steel plate, 18 is a third high-strength bolt, and 19 is a controller.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-5, the assembly type frame intelligent damping structure provided by the invention comprises a first device, a precast beam 9 and a precast column 10, wherein the precast beam 9 and the precast column 10 are connected through a hinge structure 11, and a beam-column node intelligent damping device 100 is installed below the hinge structure 11; the first device is a beam-column node intelligent damping device.
The intelligent damping device 100 for the beam column nodes comprises a first embedded body 1 and a second embedded body 2, wherein the first embedded body 1 and the second embedded body 2 are both of a rectangular structure, the first embedded body 1 and the second embedded body 2 are high-strength steel plates which are identical to the first embedded body 13 in size and identical in thickness and are hinged to the cross section of a precast beam 9, the first embedded body 1 is horizontally arranged, the second embedded body 2 is vertically arranged, one end of the first embedded body 1 is connected with one end of the second embedded body 2 through a hinge bearing 12, and the first embedded body can rotate slightly around the hinge bearing 12, so that hinged connection between the first embedded body 1 and the second embedded body 2 is achieved.
Two first fan-shaped steel plates 3 made of the same material are arranged on the inner side of the first embedded body 1; the two first fan-shaped steel plates 3 are connected with the precast beam 9 into a whole. Two first fan-shaped steel plates 3 on the inner side of the first embedded body 1 are provided with through arc-shaped rails 101 with the same specification at the same positions, and a certain distance is reserved between the two first fan-shaped steel plates 3.
The inner side of the second embedded body 2 is provided with a second fan-shaped steel plate 4 made of the same material, and the second fan-shaped steel plate 4 and the prefabricated column 9 are connected into a whole. Two side walls of one second fan-shaped steel plate 4 are respectively provided with one first high-strength bolt 8, the first high-strength bolts 8 are fixed on the second fan-shaped steel plate 4, and the diameter of each first high-strength bolt 8 is equal to the width of the arc-shaped track 101. The first high-strength bolt 8 corresponds to the center of the arc-shaped rail 101, and the first high-strength bolt 8 can slide along the arc-shaped rail 101.
The distance between the two first fan-shaped steel plates 3 is close to the thickness of the second fan-shaped steel plate 4. Specifically, the second fan-shaped steel plate 4 is provided between two first fan-shaped steel plates 3.
The second fan-shaped steel plates 4 are connected with the two second fan-shaped steel plates 3 in a sliding mode, piezoelectric ceramics 6 are arranged at the sliding connection positions, namely the piezoelectric ceramics 6 are arranged on one side of the first high-strength bolt 8, and the piezoelectric ceramics 6 are connected with a controller 19.
Specifically, establish first high-strength bolt 8 on the inboard second sector plate 4 of second pre-buried body 2 and all can slide along two arc tracks 101, first high-strength bolt 8 both sides all are provided with gasket 5, and the gasket 5 outside is provided with piezoceramics 6, and piezoceramics 6 is controlled by controller 19, adopts high strength nut 7 to fix piezoceramics 6 at last. First high-strength bolt 8 relative slip in fan-shaped track 101, sliding connection between first buried body 1 and the second buried body 2 has been realized to this structure. The energizing voltages of the piezoelectric ceramics arranged at the sliding connection part are equal. The controller is a variable output voltage system based on a 51-single chip microcomputer.
The base of the first embedded body and the base of the second embedded body of the beam-column joint intelligent damping device can be provided with two to three groups of same fan-shaped steel plates so as to enhance the capability of resisting deformation displacement.
Referring to fig. 4, the hinge structure 11 includes the first pre-buried body 13 of articulated and the pre-buried body 14 of articulated second, and the first pre-buried body 13 of articulated is connected through third high-strength bolt 18 with precast beam 9, and the pre-buried body 14 of articulated second is connected through third high-strength bolt 18 with prefabricated post 10 to every prefabricated post 10 passes through horizontal steel sheet with the pre-buried body 14 of articulated second and is connected, and is concrete, and in the prefabricated post 10 was stretched into to steel sheet one end, one end stretched into in the pre-buried body 14 of articulated second.
Meanwhile, the beam-column joint core area is reinforced vertically by using a steel plate made of the same material in the precast column 10. The region that sets up hinge structure 11 on prefabricated post 10 is prefabricated beam column node core area, and the pre-buried horizontal steel sheet through connection second of prefabricated beam column node core area is pre-buried 14, and vertical pre-buried steel sheet that is higher than prefabricated beam column node core area simultaneously to the pulling shear breakage appears when preventing only pre-buried horizontal steel sheet, and play the effect of stiffening beam column node core area intensity.
A first U-shaped steel plate 16 is arranged outside the hinged first embedded body 13. The first U-shaped steel plate 16 is fixed to the prefabricated column 9 by means of third high-strength bolts 18. Two second U-shaped steel plates 17 made of the same material are arranged on the outer side of the hinged second embedded body 14, and the distance between the two second U-shaped steel plates 17 is the same as the width of the first U-shaped steel plate 16 on the outer side of the hinged first embedded body 13. The three U-shaped steel plates are provided with through circular through holes with the same specification at corresponding positions, are connected through the second high-strength bolt 15 and can rotate around the second high-strength bolt 15.
Corresponding positions, the through circular channel with the same specification and the same width of the first U-shaped steel plate 16 outside the first embedded body 13 are arranged on the first U-shaped steel plate 16 outside the first embedded body 13 in a hinged mode and the two second U-shaped steel plates 17 outside the second embedded body 14 in a hinged mode, and the diameter of the second high-strength bolt 15 is the same as the diameter of the circular channel.
The pre-buried horizontal steel sheet through connection second of precast beam post node core space is vertical pre-buried the steel sheet that is higher than core space simultaneously to the pre-buried horizontal steel sheet of pre-buried appears drawing when preventing only, cuts the breakage, and plays the effect of stiffening beam post node core space intensity.
The first U-shaped steel plate 16 hinged to the outer side of the first embedded body 13 of the hinge structure 11 and the two second U-shaped steel plates 17 hinged to the outer side of the second embedded body 14 are connected through the second high-strength bolt 15 and can rotate slightly around the second high-strength bolt 15, and therefore the hinged connection between the precast beam 9 and the precast column 10 is achieved.
Under the action of a medium-small earthquake, the PCB piezoelectric acceleration sensor (or 891 type displacement sensor) detects a small or medium-level structural earthquake response, and the controller logically calculates corresponding voltage and further applies the voltage to the piezoelectric ceramic in the novel device I, so that the static friction force between the fan-shaped plates is changed in real time, the relative deformation of the beam-column joint is limited, and the goal of reinforcing the core area of the beam-column joint is finally achieved.
In rare earthquake, the PCB piezoelectric acceleration sensor (or 891 type displacement sensor) responds by detecting the structure earthquake with strong level, and the controller logically calculates corresponding voltage and then applies the corresponding voltage to the piezoelectric ceramics in the novel device I so as to delay the displacement of the beam column node core area, and the deformation of the structure is coordinated and conforms to the national standard.
Claims (9)
1. An assembled framework intelligent damping structure is characterized by comprising a beam-column node intelligent damping device, a prefabricated beam (9) and a prefabricated column (10), wherein the prefabricated beam (9) is connected with the prefabricated column (10) through a hinge structure (11), and the beam-column node intelligent damping device (100) is installed below the hinge structure (11);
the beam-column joint intelligent damping device (100) comprises a first embedded body (1) and a second embedded body (2), wherein the first embedded body (1) is horizontally arranged, the second embedded body (2) is vertically arranged, and one end of the first embedded body (1) is hinged with one end of the second embedded body (2);
two first fan-shaped steel plates (3) are arranged on the inner side of the first embedded body (1); the first fan-shaped steel plates (3) are all provided with through arc-shaped rails (101);
a second fan-shaped steel plate (4) is arranged on the inner side of the second embedded body (2), and the second fan-shaped steel plate (4) is arranged between the two first fan-shaped steel plates (3);
two side walls of the second fan-shaped steel plate (4) are respectively provided with a first high-strength bolt (8), the first high-strength bolts (8) are fixed on the second fan-shaped steel plate (4), and the first high-strength bolts (8) can slide along the arc-shaped track (101);
one side of the first high-strength bolt (8) is provided with piezoelectric ceramics (6), and the piezoelectric ceramics (6) is connected with a controller (3).
2. An assembled frame intelligent damping structure according to claim 1, characterized in that the first steel segment plate (3) is linked with the precast beam (9) and the second steel segment plate (4) is linked with the precast column (9).
3. The assembly type frame intelligent damping structure according to claim 1, wherein gaskets (5) are arranged on two sides of the first high-strength bolt (8), and piezoelectric ceramics (6) are arranged on the outer sides of the gaskets (5).
4. An assembled frame intelligent damping structure according to claim 1, characterized in that the piezoelectric ceramics (6) is fixed by high-strength nuts (7).
5. The assembly type frame intelligent damping structure according to claim 1, wherein the first embedded body (1) and the second embedded body (2) are connected through a hinge bearing (12).
6. The assembly type frame intelligent shock absorption structure according to claim 1, wherein the hinge structure (11) comprises a first hinge embedded body (13) and a second hinge embedded body (14), the first hinge embedded body (13) is connected with the precast beam (9) through a third high-strength bolt (18), the second hinge embedded body (14) is connected with the precast column (10) through the third high-strength bolt (18), and each precast column (10) is connected with the second hinge embedded body (14) through a transverse steel plate.
7. The assembly type frame intelligent shock absorption structure as claimed in claim 6, wherein one end of the steel plate extends into the prefabricated column (10), and the other end of the steel plate extends into the second embedded body (14).
8. The assembly type frame intelligent damping structure according to claim 1, wherein a first U-shaped steel plate (16) is arranged on the outer side of the first embedded body (13), two second U-shaped steel plates (17) are arranged on the outer side of the second embedded body (14), the distance between the two second U-shaped steel plates (17) is the same as the width of the first U-shaped steel plate (16) on the outer side of the first embedded body (13), circular through holes are formed in the three U-shaped steel plates at corresponding positions, the three U-shaped steel plates are connected through a second high-strength bolt (15), and the three U-shaped steel plates can rotate around the second high-strength bolt (15).
9. The assembly type framework intelligent damping structure according to claim 1, wherein the first embedded body (1) and the second embedded body (2) of the beam-column node intelligent damping device are both rectangular structures, and the first embedded body (1) and the second embedded body (2) are high-strength steel plates which are same in size and same in thickness as the first embedded body (13) hinged to the cross section of the precast beam (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038135.2A CN111236424B (en) | 2020-01-14 | 2020-01-14 | Intelligent damping structure of assembled frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010038135.2A CN111236424B (en) | 2020-01-14 | 2020-01-14 | Intelligent damping structure of assembled frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111236424A true CN111236424A (en) | 2020-06-05 |
| CN111236424B CN111236424B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010038135.2A Expired - Fee Related CN111236424B (en) | 2020-01-14 | 2020-01-14 | Intelligent damping structure of assembled frame |
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| Country | Link |
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| CN (1) | CN111236424B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000593A (en) * | 2021-11-18 | 2022-02-01 | 李勇 | Assembled building frame construction who is furnished with shock attenuation steel sheet |
| CN115288305A (en) * | 2022-08-31 | 2022-11-04 | 西安建筑科技大学 | Box structure with hinged top beam |
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| CN203742015U (en) * | 2014-03-17 | 2014-07-30 | 河北联合大学 | Friction damper for prefabricatedframe structure nodes |
| CN205857376U (en) * | 2016-06-27 | 2017-01-04 | 华东建筑设计研究院有限公司 | A kind of novel joint attachment means being applicable to prefabricated concrete structure |
| JP2017150179A (en) * | 2016-02-23 | 2017-08-31 | 平石 久廣 | Column beam structure having vibration damping structure |
| CN107761950A (en) * | 2017-10-30 | 2018-03-06 | 南京百西思建筑科技有限公司 | A kind of assembled steel reinforced concrete angle brace framework and its construction method |
| CN108442514A (en) * | 2018-04-16 | 2018-08-24 | 太原理工大学 | Add the assembled flexible concrete frame node structure of concealed damper |
| CN108487460A (en) * | 2018-03-09 | 2018-09-04 | 中国建筑股份有限公司 | A kind of not damaged adjustable rigidity precast frame beam-to-column joint structure and its construction method |
| CN110158763A (en) * | 2019-06-14 | 2019-08-23 | 长安大学 | A kind of assembled regeneration concrete composite shear wall structure |
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2020
- 2020-01-14 CN CN202010038135.2A patent/CN111236424B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203742015U (en) * | 2014-03-17 | 2014-07-30 | 河北联合大学 | Friction damper for prefabricatedframe structure nodes |
| JP2017150179A (en) * | 2016-02-23 | 2017-08-31 | 平石 久廣 | Column beam structure having vibration damping structure |
| CN205857376U (en) * | 2016-06-27 | 2017-01-04 | 华东建筑设计研究院有限公司 | A kind of novel joint attachment means being applicable to prefabricated concrete structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114000593A (en) * | 2021-11-18 | 2022-02-01 | 李勇 | Assembled building frame construction who is furnished with shock attenuation steel sheet |
| CN115288305A (en) * | 2022-08-31 | 2022-11-04 | 西安建筑科技大学 | Box structure with hinged top beam |
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| Publication number | Publication date |
|---|---|
| CN111236424B (en) | 2021-05-18 |
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