CN110409615B - Bidirectional sliding friction connection device of assembled steel structure column and construction method - Google Patents

Bidirectional sliding friction connection device of assembled steel structure column and construction method Download PDF

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Publication number
CN110409615B
CN110409615B CN201910711846.9A CN201910711846A CN110409615B CN 110409615 B CN110409615 B CN 110409615B CN 201910711846 A CN201910711846 A CN 201910711846A CN 110409615 B CN110409615 B CN 110409615B
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plate
bottom plate
top plate
friction
strip hole
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CN110409615A (en
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黄威振
葛家琪
张国军
刘鑫刚
刘金泰
朱鸿钧
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China Aviation Planning and Design Institute Group Co Ltd
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China Aviation Planning and Design Institute Group Co Ltd
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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
    • 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
    • E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
    • 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
    • E04B2001/2406—Connection nodes
    • 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
    • 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
    • E04B2001/2418—Details of bolting

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

A bidirectional sliding friction connecting device of an assembled steel structure column and a construction method thereof comprise an upper C-shaped plate, a lower C-shaped plate, a friction plate and a high-strength bolt; the width of the first top plate of the upper C-shaped plate is greater than that of the first bottom plate; the first top plate and the first bottom plate are respectively provided with a first transverse strip hole; the width of the second top plate of the lower C-shaped plate is smaller than that of the second bottom plate; the second top plate and the second bottom plate are respectively provided with a first longitudinal strip hole; the upper C-shaped plate and the lower C-shaped plate are mutually spliced, and the first longitudinal strip hole and the first transverse strip hole are correspondingly intersected; the friction plates are arranged between the first top plate and the second top plate, between the second top plate and the first bottom plate and between the first bottom plate and the second bottom plate; the high-strength bolt penetrates through the first transverse strip hole and the first longitudinal strip hole to connect the upper C-shaped plate with the lower C-shaped plate. The invention solves the technical problems of poor energy consumption performance, difficult construction of connecting joints and low construction efficiency of the traditional fabricated structural steel column connecting structure.

Description

Bidirectional sliding friction connection device of assembled steel structure column and construction method
Technical Field
The invention belongs to the technical field of structural engineering, and particularly relates to a bidirectional sliding friction connecting device of an assembled steel structural column and a construction method.
Background
The assembled steel structure building can realize standardized processing and manufacturing of components, industrial processing, on-site rapid construction and installation, saves resources and protects the environment, and is the development direction of modern buildings. The traditional fabricated structure steel columns are usually connected through bolts or welded, the seismic energy dissipation performance of joints at the connecting positions is poor, the damage of components is large, the construction of the joints is difficult, and the construction efficiency is low.
Disclosure of Invention
The invention aims to provide a bidirectional sliding friction connecting device of an assembled steel structure column and a construction method, and aims to solve the technical problems of poor energy consumption performance, difficult construction of connecting nodes and low construction efficiency of a traditional assembled steel structure column connecting structure.
In order to achieve the purpose, the invention adopts the following technical scheme.
A bidirectional sliding friction connecting device for an assembled steel structure column is connected between an upper-layer steel column and a lower-layer steel column; the connecting device comprises an upper C-shaped plate, a lower C-shaped plate, a friction plate and a high-strength bolt; the upper C-shaped plate comprises a first top plate, a first bottom plate and a first vertical plate connected between the first top plate and the side edge of the first bottom plate; the width of the first top plate is greater than that of the first bottom plate; a group of first transverse long-strip holes are formed in the plate surfaces of the first top plate and the first bottom plate at intervals along the longitudinal direction, and the first transverse long-strip holes in the first top plate and the first transverse long-strip holes in the first bottom plate are arranged correspondingly; first through holes for connecting the upper steel column are formed in the first top plate and along the peripheral edge at intervals; the lower C-shaped plate comprises a second top plate, a second bottom plate and a second vertical plate connected between the second top plate and the side edge of the second bottom plate; the width of the second top plate is smaller than that of the second bottom plate; a group of first longitudinal long holes are respectively formed in the plate surfaces of the second top plate and the second bottom plate at intervals along the transverse direction, and the first longitudinal long holes in the second top plate are arranged corresponding to the first longitudinal long holes in the second bottom plate; second through holes for connecting the lower steel columns are formed in the second bottom plate and along the peripheral edge at intervals; the first bottom plate of the upper C-shaped plate is inserted between the second top plate and the second bottom plate of the lower C-shaped plate, the second top plate of the lower C-shaped plate is inserted between the first top plate and the first bottom plate of the upper C-shaped plate, and the first longitudinal strip hole is correspondingly intersected with the first transverse strip hole; the friction plates are respectively arranged between the first top plate and the second top plate, between the second top plate and the first bottom plate and between the first bottom plate and the second bottom plate; the high-strength bolts are provided with a group and correspondingly penetrate through the first transverse strip holes and the first longitudinal strip holes to connect the upper C-shaped plate with the lower C-shaped plate; the pre-tightening force of each high-strength bolt is 1 kN-500 kN.
Preferably, the bottom of the upper-layer steel column is provided with a first connecting plate; the peripheral edge of the first connecting plate exceeds the peripheral edge of the upper-layer steel column, and a first through hole is formed in the position, corresponding to the first through hole, of the exceeding part; the upper steel column is connected with the first top plate through a first bolt penetrating through the first through hole and the first through hole.
Preferably, a second connecting plate is arranged at the top of the lower-layer steel column; the peripheral edge of the second connecting plate exceeds the peripheral edge of the lower-layer steel column, and a second through hole is formed in the position, corresponding to the second through hole, of the exceeding part; and the lower-layer steel column is connected with the second bottom plate through a second bolt penetrating through the second through hole and the second through hole.
Preferably, the width of the first top plate in the upper C-shaped plate is 10 mm-100 mm larger than that of the first bottom plate.
Preferably, the width of the second bottom plate in the lower C-shaped plate is 10 mm-100 mm larger than that of the second top plate.
Preferably, the friction plate is made of phenolic resin material or carbon fiber friction material.
A construction method of a bidirectional sliding friction connecting device of an assembly type steel structure column comprises the following steps.
Step one, manufacturing an upper C-shaped plate, a lower C-shaped plate and a friction plate.
And step two, inserting the first bottom plate of the upper C-shaped plate between the second top plate and the second bottom plate of the lower C-shaped plate, inserting the second top plate of the lower C-shaped plate between the first top plate and the first bottom plate of the upper C-shaped plate, and enabling the first longitudinal strip hole and the first transverse strip hole to be correspondingly intersected.
Step three, installing a friction plate: friction plates are respectively arranged between the first top plate and the second top plate, between the second top plate and the first bottom plate and between the first bottom plate and the second bottom plate.
Fourthly, penetrating a high-strength bolt into the first transverse long hole of the upper C-shaped plate and the corresponding first longitudinal long hole of the lower C-shaped plate; the pre-tightening force of the high-strength bolt is 1 kN-500 kN.
Step five, connecting the device assembled in the step four to the top of the lower steel column: and a second connecting plate is arranged at the top of the lower-layer steel column, and a second bottom plate of the lower C-shaped plate is connected to the top of the lower-layer steel column through bolts.
Step six, connecting the upper-layer steel column to the top of the device assembled in the step four: set up first connecting plate in the bottom of upper steel column, with upper steel column bolted connection on the first roof of last C template, this construction finishes.
Preferably, in the first step, the upper C-shaped plate is formed by processing three rectangular plates, and the width of the first top plate is 10-100 mm larger than that of the first bottom plate; the lower C-shaped plate is formed by processing three rectangular plates, and the width of the second top plate is 10 mm-100 mm smaller than that of the second bottom plate.
Preferably, the friction coefficient of the friction plate in the third step is 0.1-2.0.
Preferably, in the third step, a second transverse strip hole is formed in the position, corresponding to the first transverse strip hole, of the friction sheet between the first top plate and the second top plate;
a third transverse strip hole is formed in the position, corresponding to the first transverse strip hole, of the friction sheet between the second top plate and the first bottom plate;
a third longitudinal strip hole is formed in the position, corresponding to the first longitudinal strip hole, of the friction sheet between the second top plate and the first bottom plate, and the third transverse strip hole is communicated with the third longitudinal strip hole;
and a second longitudinal strip hole is formed in the position, corresponding to the first longitudinal strip hole, of the friction sheet between the first bottom plate and the second bottom plate.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. The bidirectional sliding friction connecting device of the assembled steel structure column is a damping device capable of performing bidirectional sliding friction in a plane, and can dissipate seismic energy through the mutual motion between the upper C-shaped plate and the lower C-shaped plate and reduce member damage.
2. The bidirectional sliding friction connecting device of the assembled steel structure column is applied to the connection of an upper-layer steel column and a lower-layer steel column in a steel structure, and the joint dissipates seismic energy through mutual friction, so that the efficient assembly between the upper-layer steel column and the lower-layer steel column is ensured, the construction efficiency is greatly improved, and the environmental pollution is reduced; and the anti-seismic performance of the joint at the joint can be improved, and the damage of the joint is reduced.
3. The construction method of the bidirectional sliding friction connecting device of the fabricated steel structural column is adopted for construction, the connection between the upper-layer steel column and the lower-layer steel column can be completed only by connecting the bidirectional sliding friction connecting device to the top of the upper-layer steel column and correspondingly connecting the lower-layer steel column to the top of the bidirectional sliding friction connecting device, the construction mode is simple and convenient, and the technical problems of difficult construction and low construction efficiency of the traditional fabricated steel structural column connecting node are solved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a perspective view of the bidirectional sliding frictional coupling device of the present invention.
Fig. 2 is a schematic view of the vertical cross-section of the bidirectional sliding frictional coupling device of the present invention.
Fig. 3 is a schematic view of the vertical section structure of the upper C-shaped plate in the invention.
Fig. 4 is a schematic plan view of the upper C-shaped plate of the present invention.
Fig. 5 is a schematic view of the vertical section structure of the lower C-shaped plate of the invention.
Fig. 6 is a schematic view of the bottom structure of the lower C-shaped plate of the present invention.
Fig. 7 is a schematic structural view of the bidirectional sliding friction connecting device of the present invention connected between an upper layer of steel columns and a lower layer of steel columns.
Fig. 8 is a schematic structural diagram of the first connecting plate arranged at the bottom of the upper-layer steel column in the invention.
FIG. 9 is a schematic view of the present invention with a second web attached to the top of the lower layer of steel columns.
Fig. 10 is a schematic structural view of the friction plate between the first top plate and the second top plate according to the present invention.
FIG. 11 is a schematic structural view of a friction plate between a first base plate and a second base plate according to the present invention.
Fig. 12 is a schematic structural view of a friction plate between the second top plate and the first bottom plate according to the present invention.
Reference numerals: 1-upper steel column, 2-lower steel column, 3-upper C-shaped plate, 3.1-first top plate, 3.2-first bottom plate, 3.3-first vertical plate, 4-lower C-shaped plate, 4.1-second top plate, 4.2-second bottom plate, 4.3-second vertical plate, 5-friction plate, 6-high-strength bolt, 7-first transverse strip hole, 8-first perforation, 9-first longitudinal strip hole, 10-second perforation, 11-first connecting plate, 12-first through hole, 13-first bolt, 14-second connecting plate, 15-second through hole, 16-second bolt, 17-second transverse strip hole, 18-third transverse strip hole, 19-second longitudinal strip hole and 20-third longitudinal strip hole.
Detailed Description
As shown in fig. 1 to 12, the bidirectional sliding friction connection device for the fabricated steel structural column is connected between an upper steel column 1 and a lower steel column 2; the connecting device comprises an upper C-shaped plate 3, a lower C-shaped plate 4, a friction plate 5 and a high-strength bolt 6; the upper C-shaped plate 3 comprises a first top plate 3.1, a first bottom plate 3.2 and a first vertical plate 3.3 connected between the first top plate 3.1 and the side edge of the first bottom plate 3.2; wherein the width of the first top plate 3.1 is larger than the width of the first bottom plate 3.2; a group of first transverse long holes 7 are respectively formed in the plate surfaces of the first top plate 3.1 and the first bottom plate 3.2 at intervals along the longitudinal direction, and the first transverse long holes 7 in the first top plate 3.1 are arranged corresponding to the first transverse long holes 7 in the first bottom plate 3.2; first through holes 8 for connecting the upper steel column 1 are further formed in the first top plate 3.1 at intervals along the peripheral edge; the lower C-shaped plate 4 comprises a second top plate 4.1, a second bottom plate 4.2 and a second vertical plate 4.3 connected between the second top plate 4.1 and the side edge of the second bottom plate 4.2; wherein the width of the second top plate 4.1 is smaller than the width of the second bottom plate 4.2; a group of first longitudinal long holes 9 are respectively arranged on the plate surfaces of the second top plate 4.1 and the second bottom plate 4.2 at intervals along the transverse direction, and the first longitudinal long holes 9 on the second top plate 4.1 are arranged corresponding to the first longitudinal long holes 9 on the second bottom plate 4.2; second through holes 10 for connecting the lower steel columns 2 are further arranged on the second bottom plate 4.2 at intervals along the peripheral edge; the first bottom plate 3.2 of the upper C-shaped plate 3 is inserted between the second top plate 4.1 and the second bottom plate 4.2 of the lower C-shaped plate 4, the second top plate 4.1 of the lower C-shaped plate 4 is inserted between the first top plate 3.1 and the first bottom plate 3.2 of the upper C-shaped plate 3, and the first longitudinal strip hole 9 and the first transverse strip hole 7 are correspondingly intersected; the friction plates 5 are respectively arranged between the first top plate 3.1 and the second top plate 4.1, between the second top plate 4.1 and the first bottom plate 3.2 and between the first bottom plate 3.2 and the second bottom plate 4.2; the high-strength bolts 6 are provided with a group and correspondingly penetrate through the first transverse strip holes 7 and the first longitudinal strip holes 9 to connect the upper C-shaped plate 3 with the lower C-shaped plate 4; wherein the pretightening force of each high-strength bolt 6 is 1 kN-500 kN.
In this embodiment, a first connecting plate 11 is disposed at the bottom of the upper-layer steel column 1; the peripheral edge of the first connecting plate 11 exceeds the peripheral edge of the upper-layer steel column 1, and a first through hole 12 is arranged at the position corresponding to the first through hole 8 on the exceeding part; the upper steel column 1 is connected with the first top plate 3.1 through a first bolt 13 penetrating through the first through hole 8 and the first through hole 12.
In this embodiment, a second connecting plate 14 is arranged at the top of the lower-layer steel column 2; the peripheral edge of the second connecting plate 14 exceeds the peripheral edge of the lower-layer steel column 2, and a second through hole 15 is arranged at the position corresponding to the second through hole 10 on the exceeding part; the lower steel column 2 is connected with the second bottom plate 4.2 through a second bolt 16 penetrating through the second through hole 10 and the second through hole 15.
In this embodiment, in order to facilitate connection between the upper-layer steel column 1 and the lower-layer steel column 2 and the bidirectional sliding friction connection device, an internal thread adapted to the first bolt 13 is provided on the side wall of the first through hole 8; an internal thread adapted to the second bolt 16 is provided on the side wall of the second through hole 10.
In this embodiment, the first through hole 8 is formed on the first top plate 3.1 near four corner positions; the second through holes 10 are formed in the second bottom plate 4.2 and are close to four corner positions.
In this embodiment, the width of the first top plate 3.1 of the upper C-shaped plate 3 is 10mm to 100mm larger than the width of the first bottom plate 3.2.
In this embodiment, the width of the second bottom plate 4.2 in the lower C-shaped plate 4 is 10mm to 100mm larger than the width of the second top plate 4.1.
In this embodiment, the friction plate 5 is made of phenolic resin material or carbon fiber friction material.
The construction method of the bidirectional sliding friction connecting device of the assembled steel structure column comprises the following steps.
Step one, manufacturing an upper C-shaped plate 3, a lower C-shaped plate 4 and a friction plate 5.
And step two, inserting a first bottom plate 3.2 of the upper C-shaped plate 3 between a second top plate 4.1 and a second bottom plate 4.2 of the lower C-shaped plate 4, inserting a second top plate 4.1 of the lower C-shaped plate 4 between a first top plate 3.1 and the first bottom plate 3.2 of the upper C-shaped plate 3, and enabling the first longitudinal strip hole 9 and the first transverse strip hole 7 to be correspondingly intersected.
Step three, installing a friction plate 5: friction plates 5 are respectively arranged between the first top plate 3.1 and the second top plate 4.1, between the second top plate 4.1 and the first bottom plate 3.2 and between the first bottom plate 3.2 and the second bottom plate 4.2.
Fourthly, penetrating the high-strength bolt 6 into the first transverse long hole 7 of the upper C-shaped plate 3 and the corresponding first longitudinal long hole 9 of the lower C-shaped plate 4; wherein the pretightening force of the high-strength bolt 6 is 1 kN-500 kN.
Step five, connecting the device assembled in the step four to the top of the lower steel column 2: and a second connecting plate 14 is arranged at the top of the lower-layer steel column 2, and a second bottom plate 4.2 of the lower C-shaped plate 4 is connected to the top of the lower-layer steel column 2 through bolts.
Step six, connecting the upper-layer steel column 1 to the top of the device assembled in the step four: and arranging a first connecting plate 11 at the bottom of the upper-layer steel column 1, and connecting the upper-layer steel column 1 to a first top plate 3.1 of the upper C-shaped plate 3 through bolts, so that the construction is finished.
In the embodiment, in the first step, the upper C-shaped plate 3 is formed by processing three rectangular plates, and the width of the first top plate 3.1 is 10-100 mm larger than that of the first bottom plate 3.2; the lower C-shaped plate 4 is formed by processing three rectangular plates, and the width of the second top plate 4.1 is 10-100 mm smaller than that of the second bottom plate 4.2.
In this embodiment, the friction coefficient of the friction plate 5 in the third step is 0.1-2.0.
In the third step, a second transverse strip hole 17 is formed in the friction plate 5 located between the first top plate 3.1 and the second top plate 4.1 at a position corresponding to the first transverse strip hole 7;
a third transverse strip hole 18 is formed in the position, corresponding to the first transverse strip hole 7, of the friction plate 5 between the second top plate 4.1 and the first bottom plate 3.2;
a third longitudinal strip hole 20 is formed in the friction plate 5 between the second top plate 4.1 and the first bottom plate 3.2 at a position corresponding to the first longitudinal strip hole 9, and the third transverse strip hole 18 is communicated with the third longitudinal strip hole 20;
a second longitudinal strip hole 19 is arranged on the friction plate 5 between the first bottom plate 3.2 and the second bottom plate 4.2 at a position corresponding to the first longitudinal strip hole 9.
The above embodiments are not intended to be exhaustive or to limit the invention to other embodiments, and the above embodiments are intended to illustrate the invention and not to limit the scope of the invention, and all applications that can be modified from the invention are within the scope of the invention.

Claims (9)

1. The utility model provides a two-way slip friction connection device of assembled steel construction post which characterized in that: is connected between the upper layer steel column (1) and the lower layer steel column (2); the connecting device comprises an upper C-shaped plate (3), a lower C-shaped plate (4), a friction plate (5) and a high-strength bolt (6); the upper C-shaped plate (3) comprises a first top plate (3.1), a first bottom plate (3.2) and a first vertical plate (3.3) connected between the first top plate (3.1) and the side edge of the first bottom plate (3.2); wherein the width of the first top plate (3.1) is larger than that of the first bottom plate (3.2); a group of first transverse long holes (7) are respectively formed in the plate surfaces of the first top plate (3.1) and the first bottom plate (3.2) at intervals along the longitudinal direction, and the first transverse long holes (7) in the first top plate (3.1) are arranged corresponding to the first transverse long holes (7) in the first bottom plate (3.2); first through holes (8) for connecting the upper steel column (1) are arranged on the first top plate (3.1) at intervals along the peripheral edge; the lower C-shaped plate (4) comprises a second top plate (4.1), a second bottom plate (4.2) and a second vertical plate (4.3) connected between the second top plate (4.1) and the side edge of the second bottom plate (4.2); wherein the width of the second top plate (4.1) is smaller than the width of the second bottom plate (4.2); a group of first longitudinal long holes (9) are respectively formed in the plate surfaces of the second top plate (4.1) and the second bottom plate (4.2) at intervals along the transverse direction, and the first longitudinal long holes (9) in the second top plate (4.1) are arranged corresponding to the first longitudinal long holes (9) in the second bottom plate (4.2); second through holes (10) for connecting the lower steel columns (2) are further arranged on the second bottom plate (4.2) at intervals along the peripheral edge; the first bottom plate (3.2) of the upper C-shaped plate (3) is inserted between the second top plate (4.1) and the second bottom plate (4.2) of the lower C-shaped plate (4), the second top plate (4.1) of the lower C-shaped plate (4) is inserted between the first top plate (3.1) and the first bottom plate (3.2) of the upper C-shaped plate (3), and the first longitudinal strip hole (9) and the first transverse strip hole (7) are correspondingly intersected; the friction plates (5) are respectively arranged between the first top plate (3.1) and the second top plate (4.1), between the second top plate (4.1) and the first bottom plate (3.2) and between the first bottom plate (3.2) and the second bottom plate (4.2); the high-strength bolts (6) are provided with a group and correspondingly penetrate through the first transverse strip hole (7) and the first longitudinal strip hole (9) to connect the upper C-shaped plate (3) with the lower C-shaped plate (4); wherein the pretightening force of each high-strength bolt (6) is 1 kN-500 kN;
the bottom of the upper-layer steel column (1) is provided with a first connecting plate (11); the peripheral edge of the first connecting plate (11) exceeds the peripheral edge of the upper-layer steel column (1), and a first through hole (12) is formed in the position, corresponding to the first through hole (8), of the exceeding part; the upper-layer steel column (1) is connected with the first top plate (3.1) through a first bolt (13) penetrating through the first through hole (8) and the first through hole (12).
2. The bi-directional sliding friction coupling device of an assembled steel structural column of claim 1, wherein: a second connecting plate (14) is arranged at the top of the lower-layer steel column (2); the peripheral edge of the second connecting plate (14) exceeds the peripheral edge of the lower-layer steel column (2), and a second through hole (15) is formed in the position, corresponding to the second through hole (10), of the exceeding part; and the lower-layer steel column (2) is connected with the second bottom plate (4.2) through a second bolt (16) penetrating through the second through hole (10) and the second through hole (15).
3. The bi-directional sliding friction coupling device of an assembled steel structural column of claim 1, wherein: the width of a first top plate (3.1) in the upper C-shaped plate (3) is 100mm larger than that of a first bottom plate (3.2).
4. The bi-directional sliding friction coupling device of an assembled steel structural column of claim 1, wherein: the width of a second bottom plate (4.2) in the lower C-shaped plate (4) is 100mm larger than that of a second top plate (4.1).
5. The bi-directional sliding friction coupling device of an assembled steel structural column of claim 1, wherein: the friction plate (5) is made of phenolic resin materials or carbon fiber friction materials.
6. A construction method of a bi-directional sliding frictional coupling device of an assembled steel structural column according to any one of claims 1 to 5, comprising the steps of:
firstly, manufacturing an upper C-shaped plate (3), a lower C-shaped plate (4) and a friction plate (5);
step two, inserting a first bottom plate (3.2) of an upper C-shaped plate (3) between a second top plate (4.1) and a second bottom plate (4.2) of a lower C-shaped plate (4), inserting a second top plate (4.1) of the lower C-shaped plate (4) between a first top plate (3.1) and the first bottom plate (3.2) of the upper C-shaped plate (3), and enabling a first longitudinal strip hole (9) and a first transverse strip hole (7) to be correspondingly intersected;
step three, installing a friction plate (5): friction plates (5) are respectively arranged between the first top plate (3.1) and the second top plate (4.1), between the second top plate (4.1) and the first bottom plate (3.2) and between the first bottom plate (3.2) and the second bottom plate (4.2);
fourthly, penetrating the high-strength bolt (6) into a first transverse long hole (7) of the upper C-shaped plate (3) and a corresponding first longitudinal long hole (9) of the lower C-shaped plate (4); wherein the pretightening force of the high-strength bolt (6) is 1 kN-500 kN;
step five, connecting the device assembled in the step four to the top of the lower steel column (2): arranging a second connecting plate (14) at the top of the lower-layer steel column (2), and connecting a second bottom plate (4.2) of the lower C-shaped plate (4) to the top of the lower-layer steel column (2) through bolts;
step six, connecting the upper-layer steel column (1) to the top of the device assembled in the step four: and arranging a first connecting plate (11) at the bottom of the upper-layer steel column (1), and connecting the upper-layer steel column (1) on a first top plate (3.1) of the upper C-shaped plate (3) through bolts until the construction is finished.
7. The construction method of the bidirectional sliding frictional coupling apparatus of an assembled steel structural column according to claim 6, wherein: in the first step, the upper C-shaped plate (3) is formed by processing three rectangular plates, and the width of the first top plate (3.1) is 100mm larger than that of the first bottom plate (3.2); the lower C-shaped plate (4) is formed by processing three rectangular plates, and the width of the second top plate (4.1) is 100mm smaller than that of the second bottom plate (4.2).
8. The construction method of the bidirectional sliding frictional coupling apparatus of an assembled steel structural column according to claim 6, wherein: the friction coefficient of the friction plate (5) in the third step is 0.1-2.0.
9. The construction method of the bidirectional sliding frictional coupling apparatus of an assembled steel structural column according to claim 6, wherein: in the third step, a second transverse strip hole (17) is arranged on the friction plate (5) between the first top plate (3.1) and the second top plate (4.1) and at the position corresponding to the first transverse strip hole (7);
a third transverse strip hole (18) is formed in the position, corresponding to the first transverse strip hole (7), of the friction plate (5) between the second top plate (4.1) and the first bottom plate (3.2);
a third longitudinal strip hole (20) is formed in the position, corresponding to the first longitudinal strip hole (9), of the friction plate (5) between the second top plate (4.1) and the first bottom plate (3.2), and the third transverse strip hole (18) is communicated with the third longitudinal strip hole (20);
and a second longitudinal strip hole (19) is formed in the position, corresponding to the first longitudinal strip hole (9), of the friction plate (5) between the first bottom plate (3.2) and the second bottom plate (4.2).
CN201910711846.9A 2019-08-02 2019-08-02 Bidirectional sliding friction connection device of assembled steel structure column and construction method Active CN110409615B (en)

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