CN111042326A - Angle brace type energy-consumption K brace modular anti-side unit structure - Google Patents
Angle brace type energy-consumption K brace modular anti-side unit structure Download PDFInfo
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- CN111042326A CN111042326A CN201911399351.3A CN201911399351A CN111042326A CN 111042326 A CN111042326 A CN 111042326A CN 201911399351 A CN201911399351 A CN 201911399351A CN 111042326 A CN111042326 A CN 111042326A
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- brace
- corner
- vertical
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- rod
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
- 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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- 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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2433—Connection details of the elongated load-supporting parts using a removable key
Abstract
A corner brace type energy-consumption K brace modular anti-side unit structure comprises vertical brace rods, horizontal brace rods, inclined brace pieces and corner brace rods; the two vertical support rods are arranged in parallel, and two horizontal support rods are vertically arranged between the two vertical support rods to form a rectangular frame structure; a corner brace rod is arranged at the joint of one vertical brace rod and the two horizontal brace rods; one end of each of the two inclined supporting pieces is hinged to the middle of the other vertical supporting rod, and the other end of each of the two inclined supporting pieces is hinged to the middle of each of the two corner supporting rods; the diagonal support comprises a diagonal support rod connecting plate, an end plate, a diagonal support rod and an ear plate; the two ends of each diagonal brace are welded with end plates, a diagonal brace connecting plate is vertically and fixedly arranged on one end plate, and an ear plate is vertically and fixedly arranged on the other end plate. The invention provides a corner brace type energy-consumption K brace module type anti-side unit, wherein a corner brace rod and an inclined brace are arranged in a frame structure, and the bending deformation of the corner brace rod is used as an energy-consumption part of the anti-side unit, so that the adverse effect of the earthquake action on a main body structure is reduced.
Description
Technical Field
The invention belongs to the technical field of anti-side structures, and particularly relates to a corner brace type energy consumption K brace modular anti-side unit structure.
Background
Compared with the traditional concrete building, the steel structure building has higher strength and better shock resistance. Moreover, the components can be manufactured in a factory and installed on site, so that the construction period can be greatly reduced; steel in the steel structure building can be recycled, so that building garbage can be greatly reduced, and the steel structure building is more environment-friendly; therefore, the method is widely applied to industrial buildings and civil buildings.
In the existing steel structure building, in order to improve the lateral stiffness and lateral bearing capacity of the building, large supports, steel plate walls or steel plate combination walls are usually arranged for solving the problem, but the supports are difficult to find out proper arrangement positions; the cross section of the steel column is larger than the wall thickness, convex column external corners appear at four corners of a room, and the use function of an indoor building is influenced; the construction welding amount of the steel plate wall or the steel plate combined wall is large, and the construction of floor slab steel bars at the wall is difficult, and the like. And traditional support arrangement has greatly influenced the limitation of building layout, and the building pattern is comparatively single.
Disclosure of Invention
The invention aims to provide a corner brace type energy consumption K brace modular anti-side unit structure to solve the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a corner brace type energy-consumption K brace modular anti-side unit structure comprises vertical brace rods, horizontal brace rods, inclined brace pieces and corner brace rods; the two vertical support rods are arranged in parallel, and two horizontal support rods are vertically arranged between the two vertical support rods to form a rectangular frame structure; a corner brace rod is arranged at the joint of one vertical brace rod and the two horizontal brace rods; one end of each of the two inclined supporting pieces is hinged to the middle of the other vertical supporting rod, and the other end of each of the two inclined supporting pieces is hinged to the middle of each of the two corner supporting rods; the diagonal support comprises a diagonal support rod connecting plate, an end plate, a diagonal support rod and an ear plate; the two ends of each diagonal brace are welded with end plates, a diagonal brace connecting plate is vertically and fixedly arranged on one end plate, and an ear plate is vertically and fixedly arranged on the other end plate.
Furthermore, horizontal brace rod diaphragm plates are welded at the positions of the horizontal brace rods where the corner brace rods are arranged.
Furthermore, a connecting plate is welded in the middle of the other vertical support rod, and the inclined support rod connecting plate of the inclined support piece is hinged to the connecting plate through a pin shaft.
Furthermore, a vertical support rod transverse clapboard is welded at the position of the vertical support rod where the connecting plate is arranged.
Furthermore, the vertical brace rod, the horizontal brace rod, the diagonal brace rod and the corner brace rod are rectangular steel tubes, round steel tubes, I-shaped steel, cross-shaped steel, double-groove steel or L-shaped, T-shaped or # -shaped deformed steel.
Furthermore, a corner brace plate clapboard is arranged at the hinged position of the corner brace, and the diagonal brace connecting plate is hinged through the corner brace connecting plate.
Furthermore, when the vertical stay bar and the horizontal stay bar are rectangular steel pipes or round steel pipes, a connecting plate is welded in the middle of the vertical stay bar and is hinged with the diagonal stay bar through the connecting plate by adopting a high-strength bolt; when the vertical supporting rod and the horizontal supporting rod are made of I-shaped, cross-shaped, double-groove-shaped or L-shaped, T-shaped or groined deformed steel, the connecting position of the connecting plate and the vertical supporting rod is provided with a vertical supporting rod transverse clapboard on the vertical supporting rod, and the position of the horizontal supporting rod on which the corner supporting rod is arranged is welded with a horizontal supporting rod transverse clapboard.
Compared with the prior art, the invention has the following technical effects:
the invention provides a corner brace type energy-consumption K brace module type anti-side unit, wherein a corner brace rod and an inclined brace are arranged in a frame structure, and the bending deformation of the corner brace rod piece can be used as an energy-consumption part of the anti-side unit, so that the adverse effect of the earthquake action on a main body structure is reduced. Two diagonal brace and vertical brace are the K type setting to improve assembled frame construction's anti side ability, thereby improve the bearing capacity and the stability of building, and satisfy the nimble needs of arranging of building function.
Drawings
Fig. 1 is a schematic partial structural view of a corner brace type energy-consuming K-brace modular anti-side unit according to an embodiment of the present invention;
fig. 2 is a schematic partial structural view of a corner brace type energy consuming K-brace modular anti-side unit according to an embodiment of the present invention;
fig. 3 is a schematic partial structural view of a corner brace type energy consuming K-brace modular anti-side unit according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a corner brace type energy consuming K-brace modular anti-side unit according to an embodiment of the invention.
Reference numerals:
1-vertical stay bar; 2-horizontal stay bars; 3-a transverse clapboard of a vertical stay bar; 4-horizontal brace rod diaphragm plate; 5-connecting plates; 6-diagonal brace connecting plates; 7-an end plate; 8-diagonal brace rods; 9-ear plate; 10-a gusset connection plate; 11-corner brace; 12-corner brace transverse partitions.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
referring to fig. 1 to 4, a corner brace type energy consumption K brace modular anti-side unit structure includes a vertical brace 1, a horizontal brace 2, an oblique brace, and a corner brace 11; the two vertical support rods 1 are arranged in parallel, and the two horizontal support rods 2 are vertically arranged between the two vertical support rods 1 to form a rectangular frame structure; a corner brace 11 is arranged at the joint of one vertical brace 1 and two horizontal braces 2; one end of each of the two diagonal bracing pieces is hinged to the middle of the other vertical bracing rod 1, and the other end of each of the two diagonal bracing pieces is hinged to the middle of each of the two corner bracing rods 11; the diagonal support comprises a diagonal brace connecting plate 6, an end plate 7, a diagonal brace 8 and an ear plate 9; end plates 7 are welded at two ends of each inclined strut 8, an inclined strut connecting plate 6 is vertically and fixedly arranged on one end plate 7, and an ear plate 9 is vertically and fixedly arranged on the other end plate 7.
The horizontal stay bar diaphragm 4 is welded at the position of the horizontal stay bar 2 where the corner stay bar 11 is arranged.
The middle part of the other vertical support rod 1 is welded with a connecting plate 5, and an inclined support rod connecting plate 6 of the inclined support piece is hinged on the connecting plate 5 through a pin shaft.
The position of the vertical support rod 1, which is provided with the connecting plate 5, is welded with a vertical support rod diaphragm plate 3.
The vertical stay bar 1, the horizontal stay bar 2, the diagonal stay bar 8 and the corner stay bar 11 are rectangular steel pipes, circular steel pipes, I-shaped steel, cross-shaped steel, double-groove steel or L-shaped, T-shaped or # -shaped deformed steel.
A corner brace clapboard 12 is arranged at the hinged part of the corner brace 11, and the diagonal brace connecting plate 6 is hinged through a corner brace connecting plate 10.
When the vertical stay bar and the horizontal stay bar are rectangular steel pipes or round steel pipes, the middle part of the vertical stay bar is welded with a connecting plate and is hinged with the diagonal stay bar through the connecting plate by adopting a high-strength bolt; when the vertical supporting rod and the horizontal supporting rod are made of I-shaped, cross-shaped, double-groove-shaped or L-shaped, T-shaped or groined deformed steel, the connecting position of the connecting plate and the vertical supporting rod is provided with a vertical supporting rod transverse clapboard 3, and the position of the horizontal supporting rod 2, which is provided with the corner supporting rod 11, is welded with a horizontal supporting rod transverse clapboard 4.
When the inclined stay bar is a rectangular steel pipe or a round steel pipe, two ends of the steel pipe can be welded with steel plates with the same cross section, and the outer side of the rod end is welded with a connecting plate which is hinged with the vertical stay bar by adopting a high-strength bolt. And the other end of the rod piece is welded with an ear plate corner brace and is hinged and connected through a pin shaft.
When the inclined stay bar is in an I-shaped, cross-shaped, double-groove shape or L-shaped, T-shaped or groined special-shaped combined section, the inclined stay bar can be hinged with the vertical stay bar through a high-strength bolt in a mode that a flange is cut without cutting a web plate. And is hinged with the corner brace through a pin shaft. In order to prevent the local buckling of the diagonal brace, a stiffening plate needs to be arranged in the middle of the diagonal brace.
In order to improve the lateral resistance of an assembled steel structure, improve the bearing capacity and stability of a building and meet the requirements on building functions, the embodiment of the invention provides a corner brace type energy consumption K brace module lateral resistance unit. In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.
Referring to fig. 4, an embodiment of the invention provides a corner brace type energy consumption K brace modular anti-side unit, which includes two vertical braces, two horizontal braces, two diagonal braces and two energy consumption corner braces. Every vertical stay bar is vertically arranged, two ends of the vertical stay bar are respectively connected with corresponding cross beams, and welding or bolt connection is adopted according to different structural requirements. The two diagonal braces and the vertical brace are arranged in a K shape, one end of each diagonal brace is hinged to the middle of the vertical brace through a connecting plate by adopting a high-strength bolt, and the other end of each diagonal brace is provided with an ear plate which is hinged to a connecting plate of the corresponding diagonal brace through a pin shaft. Both ends of the corner brace are connected to the horizontal brace by welding. Two horizontal stay bars are welded at two ends of the vertical stay bar.
The corner brace type energy consumption K brace modular anti-side unit provided by the embodiment of the invention comprises two vertical brace rods, two horizontal brace rods, two inclined brace rods and two energy consumption corner brace rods. The vertical brace rod and the horizontal brace rod form a corner brace type energy consumption K brace
Basic skeleton of modular anti-side unit. The connection with the cross beam can be realized in a welding or bolt connection mode according to the mode that the whole structure is coordinated with the cross section of the cross beam. A high degree of freedom in the arrangement of the construction space is achieved. The diagonal brace adopts a connection mode that two ends are hinged, the diagonal brace is guaranteed to be only used as a two-force rod to transmit axial tension and compression force, the corner brace piece and the diagonal brace are hinged and connected through a connecting plate by sharing a pin shaft, and the bending deformation of the corner brace piece can be caused by the axial tension and compression force of the diagonal brace. Under the action of earthquake load, the bending deformation of the corner brace piece can be used as an energy dissipation part of the anti-side unit, so that the adverse effect of earthquake action on the main body structure is reduced.
In the embodiment of the invention, the sections of the vertical brace rod, the horizontal brace rod, the diagonal brace rod and the energy-consuming corner brace rod are not specifically limited, and comprise rectangular steel pipes, circular steel pipes, I-shaped steel, cross-shaped steel, double-channel steel or L-shaped, T-shaped and groined-shaped special-shaped combined sections, and the sections can be selected according to actual conditions during construction, so that the application range of the steel structure is expanded. Preferably, the vertical stay bar and the horizontal stay bar are in the cross section form of welding I-shaped steel. The cross section of the welded I-shaped steel can reduce the consumption of steel and the dead weight of a steel structure while ensuring better bearing strength, thereby reducing the cost and prolonging the service life.
In one embodiment of the invention, the vertical struts 1 and the horizontal struts 2 are each welded I-steel sections, as shown in FIG. 1. The side of the vertical stay bar 1 is provided with a connecting plate 5. The connection between the vertical stay bar 1 and the diagonal stay bar 8 is more convenient and easy to realize due to the arrangement of the connecting plate 3, and the connection strength is higher. The force of the vertical stay bar 1 is effectively transmitted to the diagonal stay bar 8. To prevent the influence of local instability at the connecting plates of the vertical stay bar 1 and the horizontal stay bar 2. And transverse clapboards 3 and 4 are arranged at the connecting plates of the vertical stay bar 1 and the horizontal stay bar 2. As shown in fig. 2. The vertical support rods 1 and the horizontal support rods 2 form a basic framework of the corner-support energy-consumption K-support modular anti-side unit. The connection with the cross beam can be realized in a welding or bolt connection mode according to the mode that the whole structure is coordinated with the cross section of the cross beam.
In one embodiment of the invention, the diagonal brace is a circular steel tube in cross section. As shown in fig. 3, in order to ensure a reliable connection between the connecting plate 5 and the ear plate 9 and the diagonal member 8, end plates 7 are provided at both ends of the diagonal member 8. The end plate 7 and the connecting plate 5 are in a high-strength bolt hinged connection mode, and the inclined stay bar 8 and the lug plate 9 are in a welded connection mode. The axial force transmitted from the vertical stay bars 1 at the two sides is effectively transmitted on the diagonal stay bar 8.
Further, as shown in fig. 4, the diagonal stay 8 and the corner stay 11 are hinged to each other by the ear plate 9 and the connecting plate 10 by a pin. In order to prevent the local buckling of the web of the corner brace 11 at the connecting plate, a transverse partition 12 is provided at the connecting plate of the corner brace 11. Through the mode of pin shaft connection, the axial force transmitted by the diagonal brace 8 can be effectively transmitted to the corner brace 11, the bending deformation of the corner brace 11 can consume a part of earthquake action, and the energy consumption purpose of the corner brace type energy consumption K brace module side resisting unit is achieved.
In another preferred embodiment of the invention, when the vertical stay bar and the horizontal stay bar are in I-shaped, cross-shaped, double-groove shape or L-shaped, T-shaped or groined type combined cross section, the transverse partition plate is arranged on the vertical stay bar at the connecting position of the connecting plate and the vertical stay bar. According to the embodiment, the proper vertical support rods and the proper horizontal support rods are selected according to the actual construction environment, and the arrangement of the transverse partition plate can further improve the strength and the bearing capacity of the column and even the steel structure.
The embodiment of the invention does not specifically limit the selection of the diagonal brace and the corner brace of the corner brace type energy consumption K brace modular anti-side unit, and the diagonal brace and the corner brace can comprise rectangular steel pipes, round steel pipes, I-shaped, cross-shaped, double-groove-shaped or L-shaped, T-shaped or # -shaped special-shaped combined sections, and can also be energy dissipation and shock absorption components such as damper supports, buckling restrained supports and the like. The energy dissipation and shock absorption component is characterized in that an energy dissipater is installed in a structural component, the structural damping is artificially increased, and the vibration energy of the structural component when the structural component is impacted is consumed, so that the vibration reaction of the structure is reduced, and the anti-seismic performance of the structural component is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A corner brace type energy-consumption K brace modular anti-side unit structure is characterized by comprising vertical brace rods (1), horizontal brace rods (2), oblique brace pieces and corner brace rods (11); the two vertical support rods (1) are arranged in parallel, and two horizontal support rods (2) are vertically arranged between the two vertical support rods (1) to form a rectangular frame structure; a corner brace rod (11) is arranged at the joint of one vertical brace rod (1) and the two horizontal brace rods (2); one end of each of the two inclined supporting pieces is hinged to the middle of the other vertical supporting rod (1), and the other end of each of the two inclined supporting pieces is hinged to the middle of each of the two corner supporting rods (11); the diagonal support comprises a diagonal brace connecting plate (6), an end plate (7), a diagonal brace (8) and an ear plate (9); end plates (7) are welded at two ends of each inclined strut (8), an inclined strut connecting plate (6) is vertically and fixedly arranged on one end plate (7), and an ear plate (9) is vertically and fixedly arranged on the other end plate (7).
2. A corner brace type energy consumption K brace modular anti-side unit structure according to claim 1, characterized in that a horizontal brace transverse clapboard (4) is welded at the position of a corner brace (11) on a horizontal brace (2).
3. A corner-bracing energy-consuming K-bracing modular anti-side unit structure according to claim 1, characterized in that a connecting plate (5) is welded to the middle of the other vertical bracing (1), and the diagonal bracing connecting plate (6) of the diagonal bracing is hinged on the connecting plate (5) by a pin.
4. A corner-brace type energy-consumption K-brace modular anti-side unit structure according to claim 3, characterized in that a vertical brace transverse partition plate (3) is welded at a position where the connecting plate (5) is arranged on the vertical brace (1).
5. A corner-bracing energy-consuming K-bracing modular anti-side unit structure according to claim 1, wherein the vertical bracing rods (1), the horizontal bracing rods (2), the diagonal bracing rods (8) and the corner-bracing rods (11) are rectangular steel tubes, circular steel tubes, i-shaped steel, cross-shaped steel, double-channel steel or L-shaped, T-shaped or cross-shaped deformed steel.
6. A corner brace type energy consumption K brace modular anti-side unit structure according to claim 1, characterized in that a corner brace clapboard (12) is arranged at the hinged position of a corner brace (11), and a diagonal brace connecting plate (6) is hinged through a corner brace connecting plate (10).
7. The angle brace type energy consumption K brace modular anti-side unit structure according to claim 1, wherein when the vertical brace rod and the horizontal brace rod are rectangular steel pipes or circular steel pipes, a connecting plate is welded in the middle of the vertical brace rod and is hinged with the diagonal brace rod through the connecting plate by adopting a high-strength bolt; when the vertical supporting rod and the horizontal supporting rod are made of I-shaped, cross-shaped, double-groove-shaped or L-shaped, T-shaped or groined deformed steel, the connecting position of the connecting plate and the vertical supporting rod is provided with a vertical supporting rod transverse clapboard (3), and the position of the horizontal supporting rod (2) provided with the corner supporting rod (11) is welded with the horizontal supporting rod transverse clapboard (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399351.3A CN111042326A (en) | 2019-12-30 | 2019-12-30 | Angle brace type energy-consumption K brace modular anti-side unit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911399351.3A CN111042326A (en) | 2019-12-30 | 2019-12-30 | Angle brace type energy-consumption K brace modular anti-side unit structure |
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| Publication Number | Publication Date |
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| CN111042326A true CN111042326A (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911399351.3A Pending CN111042326A (en) | 2019-12-30 | 2019-12-30 | Angle brace type energy-consumption K brace modular anti-side unit structure |
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| CN (1) | CN111042326A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749368A (en) * | 2020-06-30 | 2020-10-09 | 中冶(上海)钢结构科技有限公司 | Assembly type cascade support anti-side system and operation method thereof |
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2019
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| CN203238802U (en) * | 2013-02-28 | 2013-10-16 | 积水住宅株式会社 | Damping structure of building |
| CN206245479U (en) * | 2017-01-18 | 2017-06-13 | 中国电子工程设计院 | A kind of equivalent wall unit of composite steel tunnel support |
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| CN111749368A (en) * | 2020-06-30 | 2020-10-09 | 中冶(上海)钢结构科技有限公司 | Assembly type cascade support anti-side system and operation method thereof |
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Application publication date: 20200421 |