CN113123459A - Energy-consuming support structure, energy-consuming support frame system and construction method thereof - Google Patents

Energy-consuming support structure, energy-consuming support frame system and construction method thereof Download PDF

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Publication number
CN113123459A
CN113123459A CN202110247597.XA CN202110247597A CN113123459A CN 113123459 A CN113123459 A CN 113123459A CN 202110247597 A CN202110247597 A CN 202110247597A CN 113123459 A CN113123459 A CN 113123459A
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CN
China
Prior art keywords
precast beam
steel strand
energy dissipation
precast
steel
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Granted
Application number
CN202110247597.XA
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Chinese (zh)
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CN113123459B (en
Inventor
张健新
戎贤
张标
王理达
李艳艳
刘平
张晓巍
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Hebei University of Technology
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Hebei University of Technology
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Priority to CN202110247597.XA priority Critical patent/CN113123459B/en
Publication of CN113123459A publication Critical patent/CN113123459A/en
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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
    • 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
    • E04B1/18—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
    • 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
    • E04H9/025—Structures with concrete columns

Abstract

The application provides an energy dissipation support structure, an energy dissipation support frame system and a construction method of the energy dissipation support frame system, wherein the energy dissipation support structure comprises a support assembly; the support assembly includes: the first fixing piece and the first steering piece are arranged at the bottom of the upper precast beam, and the second fixing piece and the second steering piece are arranged at the top of the lower precast beam; a first energy dissipation device is arranged between the first fixing piece and the first steering piece, two ends of the first energy dissipation device are connected with first steel strands, one free end of each first steel strand is connected with the first fixing piece, and the other free end of each first steel strand bypasses the first steering piece to be connected with the lower precast beam; and a second energy dissipation device is arranged between the second fixing piece and the second steering piece, two ends of the second energy dissipation device are connected with a second steel strand, one free end of the second steel strand is connected with the second fixing piece, and the other free end of the second steel strand bypasses the second steering piece to be connected with the upper precast beam. The application provides a pair of power consumption bearing structure, the assembly is simple, has good antidetonation effect, helps promoting building strength.

Description

Energy-consuming support structure, energy-consuming support frame system and construction method thereof
Technical Field
The disclosure relates generally to the field of buildings, and in particular to an energy-consuming support structure, an energy-consuming support frame system and a construction method thereof.
Background
As the number of levels of construction increases, fabricated construction becomes an increasingly common form of construction. The assembly type construction mode is that the components are assembled, connected and poured on a construction site through factory prefabricated components, and finally a final building is formed.
The great damage and collapse of buildings in the earthquake are the direct causes of earthquake disasters. Therefore, how to realize more stable connection and how to better resist natural disasters such as earthquakes is an important index related to the safety performance of buildings.
The traditional anti-seismic method dissipates seismic energy through the plastic deformation of the structure, so that the building structure is easily damaged or even collapsed, and the anti-seismic effect is poor.
Disclosure of Invention
In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide an energy dissipation support structure, an energy dissipation support frame system and a construction method thereof, which are simple in assembly, have a good anti-seismic effect and contribute to improving the building strength.
In a first aspect, the present application provides an energy dissipation support structure, which is installed in a frame unit, where the frame unit includes two precast beams, namely, an upper precast beam located above the frame unit and a lower precast beam located below the frame unit, and the energy dissipation support structure includes a support assembly; the support assembly includes: the first fixing piece and the first steering piece are arranged at the bottom of the upper precast beam, and the second fixing piece and the second steering piece are arranged at the top of the lower precast beam;
a first energy dissipation device is arranged between the first fixing piece and the first steering piece, two ends of the first energy dissipation device are connected with first steel strands, one free end of each first steel strand is connected with the first fixing piece, and the other free end of each first steel strand bypasses the first steering piece to be connected with the lower precast beam;
and a second energy dissipation device is arranged between the second fixing piece and the second steering piece, two ends of the second energy dissipation device are connected with a second steel strand, one free end of the second steel strand is connected with the second fixing piece, and the other free end of the second steel strand bypasses the second steering piece and is connected with the upper precast beam.
According to the technical scheme provided by the embodiment of the application, the first fixing piece and the second fixing piece are arranged on the same side; the connecting point of the first steel strand and the lower precast beam is close to the second fixing piece, and the connecting point of the second steel strand and the upper precast beam is close to the first fixing piece.
According to the technical scheme provided by the embodiment of the application, the first energy dissipation device and the second energy dissipation device are high-damping rubber or energy dissipation coupling beams.
According to the technical scheme provided by the embodiment of the application, the first fixing piece comprises two first angle steels arranged at the bottom of the upper precast beam and a first fixing rod arranged between the two first angle steels; the first steel strand is fixedly connected with the first fixing rod;
the second fixing piece comprises two second angle steels arranged at the top of the lower precast beam and a second fixing rod arranged between the two second angle steels; and the second steel strand is fixedly connected with the second fixing rod.
According to the technical scheme provided by the embodiment of the application, the first steering piece comprises two third angle steels arranged at the bottom of the upper precast beam and a first roller arranged between the two third angle steels; the first steel strand is in movable contact with the first roller;
the second steering piece comprises two fourth angle steels arranged at the top of the lower precast beam and a second roller arranged between the two fourth angle steels; the second steel strand is in movable contact with the second roller.
According to the technical scheme provided by the embodiment of the application, the first steel strand is fixedly connected with the lower precast beam through anchoring; and the second steel strand is fixedly connected with the upper precast beam through anchoring.
In a second aspect, the present application provides a system of energy dissipating support frames, comprising an energy dissipating support structure as described above, and a support frame formed of a plurality of precast columns and a plurality of said precast beams; the support frame has a plurality of the frame units, the energy dissipating support structure being mounted within the frame units;
the prefabricated column comprises a square steel pipe, a diaphragm plate and a column longitudinal bar, wherein the diaphragm plate and the column longitudinal bar are arranged in the square steel pipe; the diaphragm plate is provided with a pouring hole and a mounting hole for mounting the column longitudinal bar;
the precast beam comprises I-shaped steel and beam longitudinal bars welded on the I-shaped steel; the I-shaped steel is exposed at two ends of the precast beam;
the flange of the I-shaped steel is welded and fixed with the side wall of the square steel pipe; the connecting plate is installed on the web, the web and the threaded holes used for mutual fixed connection are formed in the connecting plate, and the connecting plate is fixedly connected with the side wall of the square steel pipe.
According to the technical scheme provided by the embodiment of the application, the stud is installed on the I-shaped steel web plate.
In a third aspect, the present application provides a construction method of an energy dissipation braced frame system, including the following steps:
step S1: manufacturing the precast columns and precast beams in a factory;
step S2: assembling the precast columns and the precast beams on site through the connecting plates;
step S3: installing the support assembly in a frame unit formed by the precast columns and the precast beams;
step S4: and installing the first energy consumption device and the second energy consumption device.
According to the technical scheme provided by the embodiment of the application, in step S1:
when the prefabricated column is manufactured, the mounting hole and the pouring hole are punched on the diaphragm plate; arranging the diaphragm plate in the square steel pipe; then the column longitudinal bar passes through the mounting hole and is bound by a stirrup; pouring after the binding is finished, enabling concrete to pass through the pouring hole and be dense in the column, and curing to obtain the prefabricated column;
when the precast beam is manufactured, beam longitudinal ribs are welded on the I-shaped steel and bound by stirrups; after binding is finished, exposed parts of the I-shaped steel are reserved at two ends of the precast beam, and bolt holes are formed in the exposed web plates; and pouring concrete, and curing to obtain the precast beam.
The beneficial effect of this application lies in:
in the aspect of installation: the assembly is simple, and no field wet operation exists;
in the aspect of energy consumption: when an earthquake or a shock occurs, the upper precast beam or the lower precast beam generates relative displacement in the horizontal direction, the first fixing piece and the first steering piece are stressed simultaneously, the first steel strand is tensioned, and the first energy dissipation device stretches in the horizontal direction to dissipate shock energy; similarly, the second fixing piece and the second steering piece are stressed, the second steel strand is tensioned, and the second energy consumption device stretches along the horizontal direction to consume vibration energy; the energy dissipation support structure composed of the first energy dissipation device, the second energy dissipation device and the support assembly enables the conduction and absorption of earthquake force to be uniform, the force transmission and stress mechanism to be simple, the vibration energy can be effectively absorbed, and the structural rigidity is improved; meanwhile, the first energy consumption device and the second energy consumption device can be repaired and replaced, and the repair or replacement cost is lower.
In terms of support: the whole body does not need oblique or transverse beams and columns, and the installation cost is low; the connection structure of the first steel strand and the second steel strand increases the overall lateral stiffness of the structure.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of an energy dissipation support structure provided in the present application;
fig. 2 is a schematic view of an installation structure of the first fixing member 3 shown in fig. 1;
FIG. 3 is a schematic view of the mounting structure of the first steering member 4 shown in FIG. 1;
FIG. 4 is a schematic structural diagram of an energy dissipating support frame provided herein;
fig. 5 is a cross-sectional structural view of the frame unit 20 shown in fig. 4;
fig. 6 is a schematic structural view of the bulkhead 22 shown in fig. 4.
Fig. 7 is a flowchart of a construction method of an energy consumption braced frame system provided in the present application.
Reference numbers in the figures:
1. upper precast beams; 2. a lower precast beam; 3. a first fixing member; 4. a first steering member; 5. a second fixing member; 6. a second steering member; 7. a first energy consuming device; 8. a first steel strand; 9. a second energy consuming device; 10. a second steel strand; 11. a first angle steel; 12. a first fixing lever; 13. a second angle steel; 14. a second fixing bar; 15. third angle steel; 16. a first roller; 17. a fourth angle steel; 18. a second roller; 19. a support frame; 20. a frame unit; 21. a square steel pipe; 22. a diaphragm plate; 23. a column longitudinal bar; 24. pouring holes; 25. mounting holes; 26. i-shaped steel; 27. a flange; 28. a web; 29. a connecting plate; 30. a threaded hole; 31. a beam longitudinal bar; 32. a groove; 33. and (7) mounting the plate.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Please refer to fig. 1, which is a schematic diagram illustrating an energy dissipation supporting structure provided in the present application, and the energy dissipation supporting structure is installed in a frame unit 20, where the frame unit 20 includes two precast beams, namely, an upper precast beam 1 located above and a lower precast beam 2 located below, and the energy dissipation supporting structure includes a supporting component; the support assembly includes: the first fixing part 3 and the first steering part 4 are arranged at the bottom of the upper precast beam 1, and the second fixing part 5 and the second steering part 6 are arranged at the top of the lower precast beam 2;
a first energy dissipation device 7 is arranged between the first fixing piece 3 and the first steering piece 4, two ends of the first energy dissipation device 7 are connected with first steel strands 8, one free end of each first steel strand 8 is connected with the first fixing piece 3, and the other free end of each first steel strand 8 bypasses the first steering piece 4 and is connected with the lower precast beam 2;
a second energy dissipation device 9 is arranged between the second fixing piece 5 and the second steering piece 6, two ends of the second energy dissipation device 9 are connected with second steel strands 10, one free end of each second steel strand 10 is connected with the second fixing piece 5, and the other free end of each second steel strand 10 bypasses the second steering piece 6 and is connected with the upper precast beam 1.
Specifically, assembly holes fixedly connected with the first steel strand 8 and the second steel strand 10 are formed in two ends of the first energy dissipation device 7 and the second energy dissipation device 9 respectively.
Preferably, the first fixing part 3 and the first steering part 4 are respectively installed at two sides of the bottom of the upper precast beam 1; the second fixing part 5 and the second steering part 6 are respectively installed at two sides of the top of the lower precast beam 2.
Preferably, the first steel strand 8 and the second steel strand 10 are symmetrically arranged.
The working principle is as follows: when an earthquake or a shock occurs, the upper precast beam 1 or the lower precast beam 2 generates relative position movement in the horizontal direction, the first steel strand 8 is tensioned, the first fixing member 3 and the first steering member 4 share the stress, and the first energy dissipation device 7 stretches in the horizontal direction to dissipate shock energy; similarly, when the second steel strand 10 is tensioned, the second fixing member 5 and the second steering member 6 are stressed, and the second energy dissipation device 7 is stretched in the horizontal direction to dissipate vibration energy; the energy dissipation support structure composed of the first energy dissipation device 7, the second energy dissipation device 9 and the support assembly enables the conduction and absorption of earthquake force to be uniform, the force transmission and stress mechanism to be simple, the vibration energy can be effectively absorbed, and the structural rigidity is improved; meanwhile, the first energy consumption device 7 and the second energy consumption device 9 can be repaired and replaced, and the repairing or replacing cost is lower.
In terms of support: the whole body does not need oblique or transverse beams and columns, and the installation cost is low; the connection structure of the first steel strand 8 and the second steel strand 10 increases the overall lateral stiffness of the structure; in the aspect of installation: the assembly is simple, and no field wet operation is required.
In a preferred embodiment of the first fixing member 3 and the second fixing member 5, the first fixing member 3 and the second fixing member 5 are disposed on the same side; the connecting point of the first steel strand 8 and the lower precast beam 2 is close to the position of the second fixing piece 5, and the connecting point of the second steel strand 10 and the upper precast beam 1 is close to the position of the first fixing piece 3.
Specifically, the first fixing part 3 and the second fixing part 5 are arranged on the same side, that is, as shown in fig. 1, the first fixing part 3 and the second fixing part 5 are located on opposite left sides, and the first steering part 4 and the second steering part 6 are located on opposite right sides;
meanwhile, as the connection point of the first steel strand 8 and the lower precast beam 2 is close to the second fixing piece 5, the first steel strand 8 can be fixedly installed on the lower precast beam 2 along an inclined angle after bypassing the first steering piece 4; because the connection point of the second steel strand 10 and the upper precast beam 1 is close to the position of the first fixing member 3, the second steel strand 10 can be fixedly installed on the upper precast beam 1 along an inclined angle after bypassing the second steering member 6. The first steel strand 8 and the second steel strand 10 as the diagonal supports increase the overall lateral stiffness of the structure.
Meanwhile, through the structure, the first steel strand 8 and the second steel strand 10 jointly form an 8-shaped symmetrical structure, when vibration comes, the conduction and absorption of seismic force are uniform, the seismic force applied to the first energy consumption device 7 and the second energy consumption device 9 is consistent, the stress of the supporting assemblies is consistent, and deformation and damage caused by overlarge stress of one of the supporting assemblies are avoided.
In a preferred embodiment of the first energy dissipation device 7 and the second energy dissipation device 9, the first energy dissipation device 7 and the second energy dissipation device 9 are high damping rubber or energy dissipation coupling beams.
In a preferred embodiment of the first fixing member 3 and the second fixing member 5, as shown in fig. 1 and 2, the first fixing member 3 includes two first angle steels 11 installed at the bottom of the upper precast beam 1, and a first fixing rod 12 installed between the two first angle steels 11; the first steel strand 8 is fixedly connected with the first fixing rod 12;
the second fixing part 5 comprises two second angle steels 13 arranged at the tops of the lower precast beams 2 and a second fixing rod 14 arranged between the two second angle steels 13; the second steel strand 10 is fixedly connected with the second fixing rod 14.
Specifically, the two first angle steels 11 may be fixedly installed at the bottom of the upper precast beam 1 through bolts, and the two second angle steels 13 may be fixedly installed at the top of the lower precast beam 2 through bolts.
In the preferred embodiment of the first steering member 4 and the second steering member 6, the first steering member 4 comprises two third angle steels 15 installed at the bottom of the upper precast beam 1, and a first roller 16 installed between the two third angle steels 15; the first steel strand 8 is in movable contact with the first roller 16, that is, the first steel strand 8 can drive the first roller 16 to roll;
the second steering member 6 comprises two fourth angle steels 17 arranged at the top of the lower precast beam 2 and a second roller 18 arranged between the two fourth angle steels 17; the second steel strand 10 is in movable contact with the second roller 18, that is, the second steel strand 10 can drive the second roller 18 to roll.
Preferably, the first roller 16 and the second roller 18 may be provided with a groove 32, as shown in fig. 3, the first roller 16 is provided with a groove 32, so that the first steel strand 8 is in movable contact with the first roller 16.
Specifically, the two third angle steels 15 may be fixedly installed at the bottom of the upper precast beam 1 by bolts, and the two fourth angle steels 17 may be fixedly installed at the top of the lower precast beam 2 by bolts.
Specifically, one end of the first steel strand 8 is connected with the first fixing piece 3, and the other end of the first steel strand is fixedly mounted on the lower precast beam 2 after bypassing the first roller 16 on the first steering piece 4; therefore, when the vibration occurs, the first steel strand 8 is tensioned, the first energy consumption device 7 deforms, and the first steel strand 8 is in contact with the first roller 16 and drives the first roller 16 to roll; in the same way, the second steel strand 10 is in contact with the second roller 18, the second roller 18 rolls, and the first roller 16 and the second roller 18 roll instead of sliding, so that friction between the steel strand and a steering part in the deformation process is reduced, and normal operation of two energy consumption devices is ensured.
In a preferred embodiment of the upper precast beam 1 and the lower precast beam 2, the first steel strand 8 is fixedly connected with the lower precast beam 2 through an anchor; and the second steel strand 10 is fixedly connected with the upper precast beam 1 through anchoring. The free ends of the first steel strand 8 and the second steel strand 10 are wrapped in concrete in an anchoring mode, so that the fixing strength is improved, and the welding spot fracture caused by overlarge stress in common fixed connection or welding is avoided.
Example 2
Fig. 4 shows a system of energy dissipation support frames provided by this embodiment, which includes the energy dissipation support structure described above, and a support frame 19 formed by a plurality of precast columns and a plurality of precast beams; the support frame 19 has a plurality of said frame units 20, the dissipative support structure being mounted within said frame units 20;
the prefabricated column comprises a square steel pipe 21, a diaphragm plate 22 and a column longitudinal rib 23, wherein the diaphragm plate 22 and the column longitudinal rib 23 are installed in the square steel pipe 21; the diaphragm plate 22 is provided with a pouring hole 24 and a mounting hole 25 for mounting the column longitudinal bar 23;
the precast beam comprises an I-shaped steel 26 and a beam longitudinal bar 31 welded on the I-shaped steel 26; the I-shaped steel 26 is exposed out of two ends of the precast beam;
the flange 27 of the I-shaped steel 26 is welded and fixed with the side wall of the square steel pipe 21; a web plate 28 of the I-shaped steel 26 is provided with a connecting plate 29, the web plate 28 and the connecting plate 29 are provided with threaded holes 30 for mutual fixed connection, and the connecting plate 29 and the side wall of the square steel tube 21 are fixedly connected.
Specifically, as shown in fig. 4, the support frame 19 is composed of a plurality of transversely arranged precast beams and a plurality of longitudinally arranged precast columns, and the support frame 19 has a plurality of frame units 20; it will be appreciated that each frame unit 20 comprises two precast girders, relatively above and relatively below, for example as shown in fig. 1, an upper precast girder 1 and a lower precast girder 2;
the installation and connection relationship between the energy dissipation support structure and the upper precast beam 1 and the lower precast beam 2 is already embodied in the above structure, and is not described in detail in this embodiment.
It will be appreciated that the i-section 26 has flanges 27 located relatively upper and relatively lower, and a web 28 located between the flanges 27.
Specifically, the pouring hole 24 is arranged in the middle of the diaphragm 22, and the mounting hole 25 is formed along the inner side of the edge of the diaphragm 22, as shown in fig. 6;
specifically, the outer side wall of the flange 27 can be connected with a mounting plate 33 through welding or bolts, and the side wall of the mounting plate 33 is welded and fixed on the side wall of the square steel tube 21.
Specifically, the i-beams 26 are exposed at two ends of the precast beam, so that the precast beam can be conveniently and fixedly connected with the connecting plate 29; further, as shown in fig. 5, bolt holes 30 are opened on the exposed i-beam web 28 and the connecting plate 29, so that a high-strength bolt can pass through the bolt holes 30 to fixedly connect the web and the connecting plate 29.
Specifically, one end of the connecting plate 29, which is far away from the i-steel 26, is welded and fixed with the square steel tube 21.
Wherein in a preferred embodiment of the web 28, a peg is mounted on the web 28. The strength and the bonding performance of the precast beam after pouring are improved.
Example 3
Fig. 7 shows a construction method of the energy dissipation supporting frame system according to the above structure provided in this embodiment, which includes the following steps:
step S1: manufacturing the precast columns and precast beams in a factory;
when the prefabricated column is manufactured, the mounting hole 25 and the pouring hole 24 are drilled on the diaphragm plate 22; arranging the diaphragm plate 22 in the square steel tube 21; then the column longitudinal bar 23 passes through the mounting hole 25 and is bound by a stirrup; pouring after the binding is finished, enabling concrete to pass through the pouring holes 24 and be dense in the column, and obtaining the prefabricated column after curing;
when the precast beam is manufactured, welding beam longitudinal ribs 31 on the I-shaped steel 26, and binding by using stirrups; exposing parts of the I-shaped steel 26 at two ends of the precast beam, and forming the bolt holes 30 in the exposed web plate 28; and pouring concrete, and curing to obtain the precast beam.
Step S2: assembling the precast columns and the precast beams on site through the connecting plates 29;
in the step, when assembling the precast column and the precast beam on site, welding a connecting plate 29 provided with a threaded hole 30 on the side wall of the square steel tube 21, and fixedly connecting the connecting plate 29 with the i-shaped steel web 28 through a high-strength bolt; meanwhile, the flange 27 of the exposed I-steel in the precast beam is welded with the outer wall of the square steel pipe 21.
Step S3: installing the support assemblies within the frame unit 20 formed by the precast columns and precast beams;
in this step, the support assemblies, i.e., the first fixing member 3, the first steering member 4, the second fixing member 5, and the second steering member 6, are correspondingly mounted on the two precast girders in the frame unit 20 by bolts.
Step S4: and installing the first energy consumption device 7 and the second energy consumption device 9.
In this step, the first steel strand 8 is installed at two ends of the first energy dissipation device 7, one free end of the first steel strand 8 is fixedly connected with the first fixing piece 3, and the other free end of the first steel strand 8 bypasses the first steering piece 4 and is fixedly connected with the lower precast beam 2; and installing the second steel strand 10 at two ends of the second energy dissipation device 9, fixedly connecting one free end of the second steel strand 10 with the second fixing piece 5, and enabling the other free end of the second steel strand 10 to bypass the second steering piece 6 and be fixedly connected with the upper precast beam 2.
Through the steps, the construction of the energy consumption supporting frame system is completed.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (10)

1. An energy-consuming support structure, which is mounted in a frame unit (20), said frame unit (20) comprising two precast beams, an upper precast beam (1) located relatively above and a lower precast beam (2) located relatively below, respectively, characterized in that: comprises a supporting component; the support assembly includes: the first fixing part (3) and the first steering part (4) are arranged at the bottom of the upper precast beam (1), and the second fixing part (5) and the second steering part (6) are arranged at the top of the lower precast beam (2);
a first energy dissipation device (7) is arranged between the first fixing piece (3) and the first steering piece (4), two ends of the first energy dissipation device (7) are connected with first steel strands (8), one free end of each first steel strand (8) is connected with the first fixing piece (3), and the other free end of each first steel strand (8) bypasses the first steering piece (4) and is connected with the lower precast beam (2);
the second fixing piece (5) and the second steering piece (6) are provided with a second energy dissipation device (9), two ends of the second energy dissipation device (9) are connected with second steel strands (10), one free end of each second steel strand (10) is connected with the second fixing piece (5), and the other free end of each second steel strand (10) bypasses the second steering piece (6) and is connected with the upper precast beam (1).
2. The dissipative support structure according to claim 1, wherein: the first fixing piece (3) and the second fixing piece (5) are arranged on the same side; the connecting point of the first steel strand (8) and the lower precast beam (2) is close to the position of the second fixing piece (5), and the connecting point of the second steel strand (10) and the upper precast beam (1) is close to the position of the first fixing piece (3).
3. The dissipative support structure according to claim 1, wherein: the first energy dissipation device (7) and the second energy dissipation device (9) are high-damping rubber or energy dissipation connecting beams.
4. The dissipative support structure according to any of claims 1 to 3, wherein:
the first fixing piece (3) comprises two first angle steels (11) arranged at the bottom of the upper precast beam (1) and a first fixing rod (12) arranged between the two first angle steels (11); the first steel strand (8) is fixedly connected with the first fixing rod (12);
the second fixing piece (5) comprises two second angle steels (13) arranged at the top of the lower precast beam (2) and a second fixing rod (14) arranged between the two second angle steels (13); the second steel strand (10) is fixedly connected with the second fixing rod (14).
5. The dissipative support structure according to any of claims 1 to 3, wherein:
the first steering part (4) comprises two third angle steels (15) arranged at the bottom of the upper precast beam (1), and a first roller (16) arranged between the two third angle steels (15); the first steel strand (8) is in movable contact with the first roller (16);
the second steering piece (6) comprises two fourth angle steels (17) arranged at the top of the lower precast beam (2), and a second roller (18) arranged between the two fourth angle steels (17); the second steel strand (10) is in movable contact with the second roller (18).
6. The dissipative support structure according to any of claims 1 to 3, wherein: the first steel strand (8) is fixedly connected with the lower precast beam (2) through anchoring; and the second steel strand (10) is fixedly connected with the upper precast beam (1) through anchoring.
7. An energy-consuming braced frame system which characterized in that: comprising the dissipative support structure according to any of claims 1 to 6, and a support frame (19) formed by a plurality of precast columns, a plurality of the precast beams; the support frame (19) having a plurality of said frame units (20), the dissipative support structure being mounted within the frame units (20);
the prefabricated column comprises a square steel pipe (21), and a diaphragm plate (22) and a column longitudinal rib (23) which are arranged in the square steel pipe (21); a pouring hole (24) and a mounting hole (25) for mounting the column longitudinal bar (23) are formed in the diaphragm plate (22);
the precast beam comprises an I-shaped steel (26) and a beam longitudinal rib (31) welded on the I-shaped steel (26); the I-shaped steel (26) is exposed at two ends of the precast beam;
the flange (27) of the I-shaped steel (26) is fixedly welded with the side wall of the square steel pipe (21); the connecting plate (29) is installed on a web plate (28) of the I-shaped steel (26), threaded holes (30) used for being fixedly connected with each other are formed in the web plate (28) and the connecting plate (29), and the connecting plate (29) is fixedly connected with the side wall of the square steel pipe (21).
8. The dissipative support structure according to claim 7, wherein: the web (28) is provided with a stud.
9. A method of constructing the energy dissipating braced frame system of claim 7 or 8, characterized in that: the method comprises the following steps:
step S1: manufacturing the precast columns and precast beams in a factory;
step S2: assembling the precast columns and the precast beams on site through the connecting plates (29);
step S3: -installing the support assembly in a frame unit (20) formed by the precast columns and precast beams;
step S4: and installing the first energy consumption device (7) and the second energy consumption device (9).
10. The method of constructing an energy dissipating braced frame system of claim 9, wherein: in step S1:
when the prefabricated column is manufactured, the mounting hole (25) and the pouring hole (24) are punched on the diaphragm plate (22); arranging the diaphragm plate (22) in the square steel pipe (21); then the column longitudinal bar (23) passes through the mounting hole (25) and is bound by a stirrup; pouring after the binding is finished, enabling concrete to pass through the pouring holes (24) and be dense in the column, and obtaining the prefabricated column after curing;
when the precast beam is manufactured, beam longitudinal ribs (31) are welded on the I-shaped steel (26) and bound by stirrups; exposing parts of the I-shaped steel (26) at two ends of the precast beam, and forming bolt holes (30) in the exposed web plate (28); and pouring concrete, and curing to obtain the precast beam.
CN202110247597.XA 2021-03-06 2021-03-06 Energy-consuming support structure, energy-consuming support frame system and construction method thereof Active CN113123459B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0666347A (en) * 1992-08-19 1994-03-08 Ishikawajima Harima Heavy Ind Co Ltd Torsional vibration preventing mechanism for base isolation structure
JP2011236632A (en) * 2010-05-10 2011-11-24 Shimizu Corp Seismic control structure
CN204151899U (en) * 2014-09-26 2015-02-11 黄振宇 Cable wire-framework energy dissipation structural element
KR20160028762A (en) * 2014-09-04 2016-03-14 강원대학교산학협력단 Vibration Control of Structures by the Constraint of Inter-story Drift
CN107268825A (en) * 2017-08-23 2017-10-20 陈云 Self-resetting beam column friction energy-dissipating node
CN109707037A (en) * 2018-12-28 2019-05-03 长安大学 A kind of assembling frame structure Self-resetting dissipative devices and its construction method
KR102070690B1 (en) * 2018-08-01 2020-01-29 (주)테크스퀘어 Displacement amplification system using cable and pulley

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0666347A (en) * 1992-08-19 1994-03-08 Ishikawajima Harima Heavy Ind Co Ltd Torsional vibration preventing mechanism for base isolation structure
JP2011236632A (en) * 2010-05-10 2011-11-24 Shimizu Corp Seismic control structure
KR20160028762A (en) * 2014-09-04 2016-03-14 강원대학교산학협력단 Vibration Control of Structures by the Constraint of Inter-story Drift
CN204151899U (en) * 2014-09-26 2015-02-11 黄振宇 Cable wire-framework energy dissipation structural element
CN107268825A (en) * 2017-08-23 2017-10-20 陈云 Self-resetting beam column friction energy-dissipating node
KR102070690B1 (en) * 2018-08-01 2020-01-29 (주)테크스퀘어 Displacement amplification system using cable and pulley
CN109707037A (en) * 2018-12-28 2019-05-03 长安大学 A kind of assembling frame structure Self-resetting dissipative devices and its construction method

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