CN113818559A - Giant frame structure and three-dimensional shock absorption substructure - Google Patents

Giant frame structure and three-dimensional shock absorption substructure Download PDF

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Publication number
CN113818559A
CN113818559A CN202110941036.XA CN202110941036A CN113818559A CN 113818559 A CN113818559 A CN 113818559A CN 202110941036 A CN202110941036 A CN 202110941036A CN 113818559 A CN113818559 A CN 113818559A
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China
Prior art keywords
substructure
dimensional shock
main frame
shock absorption
polyurethane
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CN202110941036.XA
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Chinese (zh)
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CN113818559B (en
Inventor
徐刚
郭彤
李爱群
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Southeast University
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Southeast University
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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
    • 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
    • E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
    • 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
    • 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
    • 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
    • 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
    • E04H9/0237—Structural braces with damping devices
    • 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
    • E04H9/024—Structures with steel columns and beams
    • 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
    • E04H9/025—Structures with concrete columns

Abstract

The invention provides a giant frame structure and a three-dimensional shock absorption substructure, wherein the giant frame structure comprises a main frame column, a main frame beam and a three-dimensional shock absorption substructure, and the three-dimensional shock absorption substructure comprises a three-dimensional shock absorption support, a substructure superstructure and a substructure substrate; the upper structure of the substructure is connected with a substructure base, and the substructure base is arranged on the main frame beam through a three-dimensional shock insulation support; the polyurethane-foamed aluminum composite damping layer is arranged on the side face of the upper structure of the substructure and adjacent to the main frame column, when earthquake load acts, relative displacement is generated between the three-dimensional shock absorption substructure and the main frame column, and the polyurethane-foamed aluminum composite damping layer dissipates energy in the cyclic compression and shearing processes, so that the plastic damage of the main structure is reduced.

Description

Giant frame structure and three-dimensional shock absorption substructure
Technical Field
The invention relates to the technical field of structural engineering, in particular to a giant frame structure and a three-dimensional shock absorption substructure.
Background
China is one of the most serious countries in the world with earthquake disasters, but due to economic development and social requirements, China builds a large number of high-rise and super high-rise structures. High-rise and super high-rise structures are expensive in manufacturing cost, intensive in personnel, complex in function and sensitive to earthquake loads, so that the high-rise and super high-rise structures are expected to be resistant to large earthquakes and have good earthquake toughness, namely the high-rise and super high-rise structures are expected to be less damaged after earthquakes and easy to recover using functions.
The giant frame structure is a structure system which is suitable for high-rise and super high-rise structures, and the structure system consists of a main structure and a sub-structure, is well-arranged and has definite force transmission; the main structure and the sub-structure can adopt different materials and structural forms, so that resources are saved, and special building space requirements can be met. However, under the action of earthquake, the sub-structure is not a main energy consumption component and cannot be destroyed before the main structure, the giant frame structure mainly depends on the plastic damage of the main structure to dissipate energy, and the plastic damage of the main structure is difficult to repair.
Disclosure of Invention
The invention aims to provide a giant frame structure and a three-dimensional shock absorption substructure, wherein the structure system integrates the advantages of the giant frame structure and a shock insulation structure and can be applied to high-rise and super high-rise structures to reduce the damage of a main structure.
The embodiment of the invention provides a giant frame structure, which comprises a main frame column, a main frame beam and a three-dimensional shock absorption substructure, wherein the three-dimensional shock absorption substructure comprises a three-dimensional shock insulation support, a substructure upper structure, a substructure base and a polyurethane-foamed aluminum composite damping layer; the polyurethane-foamed aluminum composite damping layer is arranged on the side face of the upper structure of the substructure and adjacent to the main frame column, when earthquake load acts, relative displacement is generated between the three-dimensional shock absorption substructure and the main frame column, and the polyurethane-foamed aluminum composite damping layer dissipates energy in the cyclic compression and shearing processes, so that the plastic damage of the main structure is reduced.
Furthermore, the main frame column adopts a steel plate concrete combined shear wall or a core tube, or adopts a built-in steel truss shear wall or a core tube.
Further, the main frame beam is a steel plate concrete composite beam or a steel truss beam.
Furthermore, the three-dimensional shock insulation support and the polyurethane-foamed aluminum composite damping layer can be replaced.
Further, the three-dimensional shock absorption substructure adopts a frame structure or a shear wall structure.
A three-dimensional shock absorption substructure comprises a three-dimensional shock absorption support, a substructure upper structure, a substructure base and a polyurethane-foamed aluminum composite damping layer, wherein the substructure upper structure is connected with the substructure base which is arranged on a main frame beam through the three-dimensional shock absorption support; the polyurethane-foamed aluminum composite damping layer is arranged on the side face of the upper structure of the substructure and adjacent to the main frame column, when earthquake load acts, relative displacement is generated between the three-dimensional shock absorption substructure and the main frame column, and the polyurethane-foamed aluminum composite damping layer dissipates energy in the cyclic compression and shearing processes, so that the plastic damage of the main structure is reduced.
The invention has the beneficial effects that:
the bottom of the three-dimensional shock absorption substructure adopts a three-dimensional shock absorption technology, has different vibration characteristics with the main structure, and can reduce the three-dimensional earthquake effect through the interaction of the three-dimensional shock absorption substructure and the main structure; under the action of a three-dimensional earthquake, relative displacement is generated between the three-dimensional shock absorption substructure and the main frame column, and the polyurethane-foamed aluminum composite damping layer can better dissipate energy in the cyclic compression and shearing processes, so that the plastic damage of the main structure is reduced.
Drawings
FIG. 1 is a schematic view of a giant frame structure.
Reference numbers in the figures: 1-main frame column; 2-main frame beam; 3-a three-dimensional shock-absorbing substructure; 4-polyurethane-foamed aluminum composite damping layer; 5-three-dimensional shock insulation support; 6-substructure superstructure; 7-substructure substrates
Detailed Description
The present invention provides a giant frame structure, which is further described with reference to the accompanying drawings and the detailed description.
As shown in the drawings, the present embodiment provides a giant frame structure, including: main frame post 1, main frame roof beam 2 and three-dimensional shock attenuation substructure 3. The three-dimensional shock-absorbing substructure 3 includes: the shock-proof structure comprises a polyurethane-foamed aluminum composite damping layer 4, a three-dimensional shock-proof support 5, a substructure upper structure 6 and a substructure base 7.
Specifically, the main frame column 1 can adopt a steel plate concrete combined shear wall or a core tube, or adopt a built-in steel truss shear wall or a core tube; the main frame beam 2 can be a steel plate concrete composite beam or a steel truss beam.
The vertical load of the three-dimensional shock absorption substructure 3 is transmitted to a substructure base 7, and the substructure base 7 is located on the main frame beam 2 through a three-dimensional shock insulation support 5; the side surface of the substructure upper structure 6 is provided with a polyurethane-foamed aluminum composite damping layer 4 adjacent to the main frame column 1. The three-dimensional shock insulation support 5 and the polyurethane-foamed aluminum composite damping layer 4 can be replaced.
The side surface of the substructure upper structure 6 is provided with a polyurethane-foamed aluminum composite damping layer 4 adjacent to the main frame column 1, under the action of horizontal and vertical earthquake loads, horizontal and vertical relative displacement is generated between the three-dimensional damping substructure 3 and the main frame column 1, and the polyurethane-foamed aluminum composite damping layer 4 can better dissipate energy in the cyclic compression and shearing processes, so that the plastic damage of the main structure is reduced. By adjusting the performance of the polyurethane-foamed aluminum composite damping layer 4, the three-dimensional shock absorption substructure 3 can become a huge tuned mass damper, and the horizontal and vertical seismic response of the giant frame structure is remarkably reduced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims (6)

1. A giant frame structure is characterized by comprising a main frame column, a main frame beam and a three-dimensional shock absorption substructure, wherein the three-dimensional shock absorption substructure comprises a three-dimensional shock insulation support, a substructure upper structure, a substructure base and a polyurethane-foamed aluminum composite damping layer; the polyurethane-foamed aluminum composite damping layer is arranged on the side face of the upper structure of the substructure and adjacent to the main frame column, when earthquake load acts, relative displacement is generated between the three-dimensional shock absorption substructure and the main frame column, and the polyurethane-foamed aluminum composite damping layer dissipates energy in the cyclic compression and shearing processes, so that the plastic damage of the main structure is reduced.
2. The giant frame structure of claim 1, wherein the main frame columns are steel plate concrete combined shear walls or core tubes, or built-in steel truss shear walls or core tubes.
3. The giant frame structure of claim 1, wherein the main frame beams are steel plate concrete composite beams or steel truss beams.
4. The giant frame structure of claim 1, wherein the three-dimensional seismic support and the polyurethane-foam aluminum composite damping layer are replaceable.
5. The giant frame structure of claim 1, wherein the three-dimensional shock-absorbing substructure is a frame structure or a shear wall structure.
6. A three-dimensional shock absorption substructure is characterized by comprising a three-dimensional shock absorption support, a substructure upper structure, a substructure base and a polyurethane-foamed aluminum composite damping layer, wherein the substructure upper structure is connected with the substructure base which is arranged on a main frame beam through the three-dimensional shock absorption support; the polyurethane-foamed aluminum composite damping layer is arranged on the side face of the upper structure of the substructure and adjacent to the main frame column, when earthquake load acts, relative displacement is generated between the three-dimensional shock absorption substructure and the main frame column, and the polyurethane-foamed aluminum composite damping layer dissipates energy in the cyclic compression and shearing processes, so that the plastic damage of the main structure is reduced.
CN202110941036.XA 2021-08-17 2021-08-17 Giant frame structure and three-dimensional shock absorption substructure Active CN113818559B (en)

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