US20210002916A1 - Fabricated Self-resilient Energy-dissipation Double-steel-plate Slotted Shear Wall Structure - Google Patents

Fabricated Self-resilient Energy-dissipation Double-steel-plate Slotted Shear Wall Structure Download PDF

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US20210002916A1
US20210002916A1 US16/624,910 US201816624910A US2021002916A1 US 20210002916 A1 US20210002916 A1 US 20210002916A1 US 201816624910 A US201816624910 A US 201816624910A US 2021002916 A1 US2021002916 A1 US 2021002916A1
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steel
plate
slotted
shear wall
plates
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US10895087B1 (en
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Ben Mou
Xi Li
Jijun Miao
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Qingdao University of Technology
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Qingdao University of Technology
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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
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
    • E04B2/60—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • 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
    • 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
    • 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
    • E04B2001/2451—Connections between closed section profiles
    • 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
    • E04B2001/2466—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
    • E04B1/18—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
    • E04B2001/2481—Details of wall panels
    • 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
    • E04B2001/2496—Shear bracing therefor

Definitions

  • the invention relates to the technical field of connection of building structures, in particular to a fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure.
  • steel plate shear wall assemblies As walls typically bearing horizontal shear force, steel plate shear wall assemblies have a force-bearing unit consisting of embedded steel plates, vertical edge members (columns or vertical stiffening ribs), and horizontal edge members (beams or horizontal stiffening ribs). As novel lateral-force-resisting components, the steel plate shear wall assemblies have the advantages of large initial elastic stiffness, high deformability, good plasticity and stable hysteresis, thereby being widely applied to lateral-force-resisting structure systems.
  • the steel plate shear wall assemblies are novel anti-seismic components which are designed in a manner that a series of vertical slots are formed in the steel plates and a series of small curved columns are formed by wall limbs between the vertical slots of a steel plate wall to fulfill good ductility.
  • Steel plate shear wall assemblies which are able to automatically resile after being deformed in an earthquake have nowadays become available by horizontal arrangement of pre-stressed steel strands, such as Patent Application No. 2015103100491.
  • the steel plate shear wall assemblies designed in such manner have the problems of insufficient construction workface, difficult installation and low energy-dissipation degree. Fabricated replaceable steel plate shear wall assemblies have to be entirely replaced, thus resulting in steel waste.
  • the primary objective of the invention is to solve the above-mentioned problems by providing a fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure which realizes fully-fabricated construction, allows steel plate shear walls to be independently replaced, is easy to repair after an earthquake, and is able to resile automatically.
  • the fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure of the invention comprises steel columns, H-shaped steel beams and a shear wall assembly, wherein the steel columns are arranged on left and right sides of the shear wall assembly, the H-shaped steel beams are arranged at upper and lower ends of the shear wall assembly, and the shear wall assembly comprises left and right groups of slotted wall plates which are connected in an overlap manner through connecting plates I; and the shear wall assembly is connected with flanges of the H-shaped steel beams through angle steel;
  • Connecting ring plate assemblies are fixed to upper and lower ends of each steel column; and each connecting ring plate assembly comprises an outer ring plate, an inner ring plate and a short side plate, wherein the short side plate is arranged between the outer ring plate and the inner ring plate and is fixedly connected with the outer ring plate, the inner ring plate and the steel column;
  • the outer ring plate is connected with the flange of one side of one H-shaped steel beam in an overlap manner through a connecting plate II
  • the inner ring plate is connected with the flange of the other side of the H-shaped steel beam in an overlap manner through a connecting plate III
  • the short side plate is connected with a web of the H-shaped steel beam in an overlap manner through a connecting plate IV;
  • a long side plate is fixedly arranged on a steel column tube between the upper and lower connecting ring plate assemblies and is connected with one slotted wall plate through a plurality of self-locking hasps; each self-locking hasp comprises a hasp base to be arranged on the long side plate and a hasp member to be arranged on the slotted wall plate, wherein the hasp member comprises a connecting arm and a hasp, the width of the hasp is greater than that of the connecting arm, and the hasp base is provided with a hasp slot matched with the hasp and a groove matched with the connecting arm; and
  • a plurality of pre-stressed steel strands are arranged on two sides of the long side plate, and each of the two ends of each pre-stressed steel strand penetrates through the inner ring plate, the flange of one side of the H-shaped steel beam and the connecting plate III to be anchored to the connecting plate III.
  • each group of slotted wall plates of the shear wall assembly includes at least two slotted wall plates, and the slotted wall plates are standard components prefabricated in a factory, are of different models, and are assembled.
  • each slotted wall plate has a plurality of S-shaped streamline slots.
  • both ends of each streamline slot adopt circular arc transition to reduce stress concentration.
  • the number of the connecting plates I are two, and the two connecting plates I are symmetrically arranged on front and back sides of the shear wall assembly.
  • each H-shaped steel beam is connected with the shear wall assembly through two pieces of angle steel which are symmetrically arranged on front and back sides of the shear wall assembly.
  • the slotted wall plates are connected with the connecting plates I through high-strength bolts
  • the outer ring plates are connected with the connecting plates II through high-strength bolts
  • the inner ring plates are connected with the connecting plates III through high-strength bolts
  • the short side plates are connected with the connecting plates IV through high-strength bolts
  • the shear wall assembly is connected with the angle steel through high-strength bolts
  • the flanges of the H-shaped steel beams are connected with the angle steel through high-strength bolts.
  • the high-strength bolts is able to withstand a high pressure, and have a strength grade of 10.9 and a specification of M16-M30.
  • An assembly method of the fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure comprises the following steps:
  • Step 1 connecting the steel columns and the steel beams which are prefabricated in a factory, and tensioning and anchoring the pre-stressed steel strands to form a beam-column frame;
  • Step 2 inserting the hasp members of the two bottom slotted wall plates of the shear wall assembly into the corresponding hasp bases, then horizontally rotating the slotted wall plates inwards to self-lock and fasten the slotted wall plates, sequentially assembling, from bottom to top, the remaining slotted wall plates, and self-locking and fastening the remaining slotted wall plates;
  • Step 3 assembling the connecting plates I on the front and back sides of the shear wall assembly in a manner that the connecting plates 1 are connected with the slotted wall plates on the left and right sides in an overlap manner, and then fastening the connecting plates I with high-strength bolts;
  • Step 4 assembling the angle steel on front and back sides of a junction between the shear wall assembly and the upper H-shaped steel beam as well as front and back sides of a junction between the shear wall assembly and the lower H-shaped steel beam, and connecting the shear wall assembly with the H-shaped steel beams through high-strength bolts.
  • All components of the invention can be machined in a factory, all field connections are completed with bolts, fully-fabricated construction of steel plate shear walls is realized, possible quality problems caused by field welding are avoided, the construction progress is accelerated, and efficiency is improved;
  • a whole shear wall can dissipate energy first in an earthquake through the multiple S-shaped streamline slots formed in the steel plate shear wall assembly of the invention, so that plastic deformation is controlled within the steel plate shear wall assembly;
  • the pre-stressed steel strands used for self-resilience are arranged at the ends of the columns, so that the energy-dissipation degree is high; and the structure is able to resile automatically through the pre-stressed steel strands after a major earthquake, so that the main structure is kept in an elastic state all the time, and the seismic fortification objective of preventing collapses under strong earthquakes is fulfilled;
  • the shear wall assembly of the invention consists of a plurality of slotted wall plates, so that only damaged parts instead of the whole structure need to be replaced after an earthquake, the seismic fortification objective of maintenance after medium earthquakes is fulfilled, the maintenance time is shortened, the maintenance cost is reduced, and costs are reduced.
  • FIG. 1 is a structural view of the invention
  • FIG. 2 is a structural view of a steel column
  • FIG. 3 is a connection structural view of the steel column and an H-shaped steel beam
  • FIG. 4 is an exploded view of FIG. 3 ;
  • FIG. 5 is a disassembled structural view of a self-locking hasp
  • FIG. 6 is an assembly schematic diagram of the invention
  • Reference Signs 1 , steel column; 2 , H-shaped steel beam; 3 , slotted wall plate; 4 , connecting plate I; 5 , angle steel; 6 , outer ring plate; 7 , inner ring plate; 8 , short side plate; 9 , long side plate; 10 , connecting plate II; 11 , connecting plate III; 12 , connecting plate IV; 13 , self-locking hasp; 14 , connecting arm; 15 , hasp; 16 , hasp slot; 17 , groove; 18 , pre-stressed steel strand.
  • the fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure of the invention comprises steel columns 1 , H-shaped steel beams 2 and a shear wall assembly, wherein the steel columns are arranged on left and right sides of the shear wall assembly, and the H-shaped steel beams are arranged at upper and lower ends of the shear wall assembly.
  • the shear wall assembly comprises left and right groups of slotted wall plates.
  • Each group of slotted wall plates includes at least two slotted wall plates 3 .
  • each group of slotted wall plates includes four slotted wall plates.
  • Each slotted wall plate has a plurality of S-shaped streamline slots. Both ends of each streamline slot adopt circular arc transition to reduce stress concentration.
  • the two groups of slotted wall plates are connected in an overlap manner through two connecting plates I 4 which are symmetrically arranged on front and back sides of the shear wall assembly.
  • the shear wall assembly is connected with flanges of the H-shaped steel beams through two pieces of angle steel 5 which are symmetrically arranged on the front and back sides of the shear wall assembly, and each piece of angle steel has an edge connected with a flange plate of one H-shaped steel beam through a bolt and an edge connected with one slotted wall plate of the shear wall assembly through a bolt.
  • connecting ring plate assemblies are fixed to upper and lower ends of each steel column.
  • Each connecting ring plate assembly comprises an outer ring plate 6 , an inner ring plate 7 and a short side plate 8 , wherein the short side plate is arranged between the outer ring plate and the inner ring plate and is fixedly connected with the outer ring plate, the inner ring plate and the steel column.
  • a long side plate 9 is fixedly arranged on a steel column tube between the upper and lower connecting ring plate assemblies of each steel column.
  • the outer ring plate is connected with the flange of one side of one H-shaped steel beam in an overlap manner through a connecting plate II 10
  • the inner ring plate is connected with the flange of the other side of the H-shaped steel beam in an overlap manner through a connecting plate III 11
  • the short side plate is connected with a web of the H-shaped steel beam in an overlap manner through two connecting plates IV 12 which are arranged on two sides of the web of the H-shaped steel beam;
  • each self-locking hasp comprises a hasp base to be arranged on one long side plate and a hasp member to be arranged on one slotted wall plate of the shear wall assembly, wherein the hasp member comprises a cylindrical connecting arm 14 and a rectangular hasp 15 , the diameter of the hasp is greater than the width of the connecting arm, and the hasp base is provided with a hasp slot 16 matched with the hasp and a groove 17 matched with the connecting arm.
  • a plurality of pre-stressed steel strands 18 are arranged on two sides of each long side plate, each of the two ends of each pre-stressed steel strand 18 penetrates through one inner ring plate, the flange of one side of one H-shaped steel beam, and one connecting plate III to be anchored on one connecting plate III, and the ultimate bearing capacity of the pre-stressed steel strands 18 is 30%-50%.
  • All connections mentioned above, including the connection between the slotted wall plates and the connecting plates I, the connection between the outer ring plates and the connecting plates II, the connection between the inner ring plates and the connecting plates III, the connection between the short side plates and the connecting plates IV, the connection between the slotted wall plates and the angle steel, and the connection between the flanges of the H-shaped steel beams and the angle steel, are realized through high-strength bolts, wherein the high-strength bolts are able to withstand a high pressure, and have a strength grade of 10.9 and a specification of M16-M30.
  • an assembly method of the fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure comprises the following steps:
  • Step 1 the steel columns and the steel beams which are prefabricated in a factory are connected, and the pre-stressed steel strands are tensioned and anchored to form a beam-column frame;
  • Step 2 the hasp members of the two bottom slotted wall plates of the shear wall assembly are inserted into the corresponding hasp bases, then the slotted wall plates are horizontally rotated inwards to be self-locked and fastened, and the remaining slotted wall plates are sequentially assembled from bottom to top and are then self-locked and fastened;
  • Step 3 the connecting plates I are assembled on the front and back sides of the shear wall assembly in a manner that the connecting plates 1 are connected with the slotted wall plates on the left and right sides in an overlap manner, and then the connecting plates I are fastened with high-strength bolts;
  • Step 4 the angle steel is assembled on front and back sides of a junction between the shear wall assembly and the upper H-shaped steel beam as well as front and back sides of a junction between the shear wall assembly and the lower H-shaped steel beam, and the shear wall assembly and the H-shaped steel beams are connected through high-strength bolts.

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  • Architecture (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
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  • Vibration Prevention Devices (AREA)

Abstract

A fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure includes steel columns, H-shaped steel beams and a shear wall assembly. The shear wall assembly includes left and right groups of slotted wall plates and is connected with flanges of the H-shaped steel beams through angle steel. Connecting ring plate assemblies are fixed to upper and lower ends of each steel column and each comprise an outer ring plate, an inner ring plate and a short side plate. A long side plate is fixedly arranged on each steel column tube and is connected with one slotted wall plate through a plurality of self-locking hasps. A plurality of pre-stressed steel strands are arranged on two sides of each long side plate.

Description

    CROSS REFERENCE TO THE RELATED APPLICATIONS
  • This application is the national phase entry of International Application No. PCT/CN2018/094607, filed on Jul. 5, 2018, which is based upon and claims priority to Chinese Patent Application No. 201810358746.8, filed on Apr. 20, 2018, the entire contents of which are incorporated herein by reference.
    • TECHNICAL FIELD
  • The invention relates to the technical field of connection of building structures, in particular to a fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure.
    • BACKGROUND
  • Nowadays, more and more high-rise buildings and super high-rise buildings have been constructed in cities. With the constant increase of the building height, the control effect of horizontal loads is becoming more and more prominent compared with vertical loads, and the selection of lateral-force-resisting components is of great importance.
  • As walls typically bearing horizontal shear force, steel plate shear wall assemblies have a force-bearing unit consisting of embedded steel plates, vertical edge members (columns or vertical stiffening ribs), and horizontal edge members (beams or horizontal stiffening ribs). As novel lateral-force-resisting components, the steel plate shear wall assemblies have the advantages of large initial elastic stiffness, high deformability, good plasticity and stable hysteresis, thereby being widely applied to lateral-force-resisting structure systems.
  • The steel plate shear wall assemblies are novel anti-seismic components which are designed in a manner that a series of vertical slots are formed in the steel plates and a series of small curved columns are formed by wall limbs between the vertical slots of a steel plate wall to fulfill good ductility.
  • Due to the fact that existing steel plate shear wall assemblies have a low degree of assembly and are connected with beams and columns typically by full welding or by bolting and welding, brittle failures may be caused in an earthquake by poor quality of weld joints and lack of effective protection, and once the steel plate shear wall assemblies are destroyed, these assemblies are unlikely to be repaired, reinforced or replaced and cannot continue to work anymore, which will inevitably affect the reliability of the shear wall assemblies or lead to material waste.
  • Steel plate shear wall assemblies which are able to automatically resile after being deformed in an earthquake have nowadays become available by horizontal arrangement of pre-stressed steel strands, such as Patent Application No. 2015103100491. However, the steel plate shear wall assemblies designed in such manner have the problems of insufficient construction workface, difficult installation and low energy-dissipation degree. Fabricated replaceable steel plate shear wall assemblies have to be entirely replaced, thus resulting in steel waste.
    • SUMMARY
  • The primary objective of the invention is to solve the above-mentioned problems by providing a fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure which realizes fully-fabricated construction, allows steel plate shear walls to be independently replaced, is easy to repair after an earthquake, and is able to resile automatically.
  • To fulfill the above objective, the fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure of the invention comprises steel columns, H-shaped steel beams and a shear wall assembly, wherein the steel columns are arranged on left and right sides of the shear wall assembly, the H-shaped steel beams are arranged at upper and lower ends of the shear wall assembly, and the shear wall assembly comprises left and right groups of slotted wall plates which are connected in an overlap manner through connecting plates I; and the shear wall assembly is connected with flanges of the H-shaped steel beams through angle steel;
  • Connecting ring plate assemblies are fixed to upper and lower ends of each steel column; and each connecting ring plate assembly comprises an outer ring plate, an inner ring plate and a short side plate, wherein the short side plate is arranged between the outer ring plate and the inner ring plate and is fixedly connected with the outer ring plate, the inner ring plate and the steel column;
  • The outer ring plate is connected with the flange of one side of one H-shaped steel beam in an overlap manner through a connecting plate II, the inner ring plate is connected with the flange of the other side of the H-shaped steel beam in an overlap manner through a connecting plate III, and the short side plate is connected with a web of the H-shaped steel beam in an overlap manner through a connecting plate IV;
  • A long side plate is fixedly arranged on a steel column tube between the upper and lower connecting ring plate assemblies and is connected with one slotted wall plate through a plurality of self-locking hasps; each self-locking hasp comprises a hasp base to be arranged on the long side plate and a hasp member to be arranged on the slotted wall plate, wherein the hasp member comprises a connecting arm and a hasp, the width of the hasp is greater than that of the connecting arm, and the hasp base is provided with a hasp slot matched with the hasp and a groove matched with the connecting arm; and
  • A plurality of pre-stressed steel strands are arranged on two sides of the long side plate, and each of the two ends of each pre-stressed steel strand penetrates through the inner ring plate, the flange of one side of the H-shaped steel beam and the connecting plate III to be anchored to the connecting plate III.
  • Furthermore, each group of slotted wall plates of the shear wall assembly includes at least two slotted wall plates, and the slotted wall plates are standard components prefabricated in a factory, are of different models, and are assembled.
  • Furthermore, each slotted wall plate has a plurality of S-shaped streamline slots.
  • Furthermore, both ends of each streamline slot adopt circular arc transition to reduce stress concentration.
  • Furthermore, the number of the connecting plates I are two, and the two connecting plates I are symmetrically arranged on front and back sides of the shear wall assembly.
  • Furthermore, each H-shaped steel beam is connected with the shear wall assembly through two pieces of angle steel which are symmetrically arranged on front and back sides of the shear wall assembly.
  • Furthermore, the slotted wall plates are connected with the connecting plates I through high-strength bolts, the outer ring plates are connected with the connecting plates II through high-strength bolts, the inner ring plates are connected with the connecting plates III through high-strength bolts, the short side plates are connected with the connecting plates IV through high-strength bolts, the shear wall assembly is connected with the angle steel through high-strength bolts, and the flanges of the H-shaped steel beams are connected with the angle steel through high-strength bolts.
  • Furthermore, the high-strength bolts is able to withstand a high pressure, and have a strength grade of 10.9 and a specification of M16-M30.
  • An assembly method of the fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure comprises the following steps:
  • Step 1: connecting the steel columns and the steel beams which are prefabricated in a factory, and tensioning and anchoring the pre-stressed steel strands to form a beam-column frame;
  • Step 2: inserting the hasp members of the two bottom slotted wall plates of the shear wall assembly into the corresponding hasp bases, then horizontally rotating the slotted wall plates inwards to self-lock and fasten the slotted wall plates, sequentially assembling, from bottom to top, the remaining slotted wall plates, and self-locking and fastening the remaining slotted wall plates;
  • Step 3: assembling the connecting plates I on the front and back sides of the shear wall assembly in a manner that the connecting plates 1 are connected with the slotted wall plates on the left and right sides in an overlap manner, and then fastening the connecting plates I with high-strength bolts; and
  • Step 4: assembling the angle steel on front and back sides of a junction between the shear wall assembly and the upper H-shaped steel beam as well as front and back sides of a junction between the shear wall assembly and the lower H-shaped steel beam, and connecting the shear wall assembly with the H-shaped steel beams through high-strength bolts.
  • The invention has the following beneficial effects:
  • (1) All components of the invention can be machined in a factory, all field connections are completed with bolts, fully-fabricated construction of steel plate shear walls is realized, possible quality problems caused by field welding are avoided, the construction progress is accelerated, and efficiency is improved;
  • (2) A whole shear wall can dissipate energy first in an earthquake through the multiple S-shaped streamline slots formed in the steel plate shear wall assembly of the invention, so that plastic deformation is controlled within the steel plate shear wall assembly; the pre-stressed steel strands used for self-resilience are arranged at the ends of the columns, so that the energy-dissipation degree is high; and the structure is able to resile automatically through the pre-stressed steel strands after a major earthquake, so that the main structure is kept in an elastic state all the time, and the seismic fortification objective of preventing collapses under strong earthquakes is fulfilled; and
  • (3) The shear wall assembly of the invention consists of a plurality of slotted wall plates, so that only damaged parts instead of the whole structure need to be replaced after an earthquake, the seismic fortification objective of maintenance after medium earthquakes is fulfilled, the maintenance time is shortened, the maintenance cost is reduced, and costs are reduced.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a structural view of the invention;
  • FIG. 2 is a structural view of a steel column;
  • FIG. 3 is a connection structural view of the steel column and an H-shaped steel beam;
  • FIG. 4 is an exploded view of FIG. 3;
  • FIG. 5 is a disassembled structural view of a self-locking hasp;
  • FIG. 6 is an assembly schematic diagram of the invention;
  • Reference Signs: 1, steel column; 2, H-shaped steel beam; 3, slotted wall plate; 4, connecting plate I; 5, angle steel; 6, outer ring plate; 7, inner ring plate; 8, short side plate; 9, long side plate; 10, connecting plate II; 11, connecting plate III; 12, connecting plate IV; 13, self-locking hasp; 14, connecting arm; 15, hasp; 16, hasp slot; 17, groove; 18, pre-stressed steel strand.
    •  DETAILED DESCRIPTION OF THE EMBODIMENTS
  • The invention is further described below in combination with the accompanying drawings.
  • As shown in FIG. 1, the fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure of the invention comprises steel columns 1, H-shaped steel beams 2 and a shear wall assembly, wherein the steel columns are arranged on left and right sides of the shear wall assembly, and the H-shaped steel beams are arranged at upper and lower ends of the shear wall assembly.
  • The shear wall assembly comprises left and right groups of slotted wall plates. Each group of slotted wall plates includes at least two slotted wall plates 3. As shown in FIG. 1, each group of slotted wall plates includes four slotted wall plates. Each slotted wall plate has a plurality of S-shaped streamline slots. Both ends of each streamline slot adopt circular arc transition to reduce stress concentration. The two groups of slotted wall plates are connected in an overlap manner through two connecting plates I 4 which are symmetrically arranged on front and back sides of the shear wall assembly. The shear wall assembly is connected with flanges of the H-shaped steel beams through two pieces of angle steel 5 which are symmetrically arranged on the front and back sides of the shear wall assembly, and each piece of angle steel has an edge connected with a flange plate of one H-shaped steel beam through a bolt and an edge connected with one slotted wall plate of the shear wall assembly through a bolt.
  • As shown in FIG. 2, connecting ring plate assemblies are fixed to upper and lower ends of each steel column. Each connecting ring plate assembly comprises an outer ring plate 6, an inner ring plate 7 and a short side plate 8, wherein the short side plate is arranged between the outer ring plate and the inner ring plate and is fixedly connected with the outer ring plate, the inner ring plate and the steel column. A long side plate 9 is fixedly arranged on a steel column tube between the upper and lower connecting ring plate assemblies of each steel column.
  • As shown in FIG. 3 and FIG. 4, the outer ring plate is connected with the flange of one side of one H-shaped steel beam in an overlap manner through a connecting plate II 10, the inner ring plate is connected with the flange of the other side of the H-shaped steel beam in an overlap manner through a connecting plate III 11, and the short side plate is connected with a web of the H-shaped steel beam in an overlap manner through two connecting plates IV 12 which are arranged on two sides of the web of the H-shaped steel beam;
  • As shown in FIG. 1, the long side plates are connected with the slotted wall plates of the shear wall assembly through a plurality of self-locking hasps 13. As shown in FIG. 5, each self-locking hasp comprises a hasp base to be arranged on one long side plate and a hasp member to be arranged on one slotted wall plate of the shear wall assembly, wherein the hasp member comprises a cylindrical connecting arm 14 and a rectangular hasp 15, the diameter of the hasp is greater than the width of the connecting arm, and the hasp base is provided with a hasp slot 16 matched with the hasp and a groove 17 matched with the connecting arm.
  • As shown in FIG. 1 and FIG. 3, a plurality of pre-stressed steel strands 18 are arranged on two sides of each long side plate, each of the two ends of each pre-stressed steel strand 18 penetrates through one inner ring plate, the flange of one side of one H-shaped steel beam, and one connecting plate III to be anchored on one connecting plate III, and the ultimate bearing capacity of the pre-stressed steel strands 18 is 30%-50%.
  • All connections mentioned above, including the connection between the slotted wall plates and the connecting plates I, the connection between the outer ring plates and the connecting plates II, the connection between the inner ring plates and the connecting plates III, the connection between the short side plates and the connecting plates IV, the connection between the slotted wall plates and the angle steel, and the connection between the flanges of the H-shaped steel beams and the angle steel, are realized through high-strength bolts, wherein the high-strength bolts are able to withstand a high pressure, and have a strength grade of 10.9 and a specification of M16-M30.
  • As shown in FIG. 6, an assembly method of the fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure comprises the following steps:
  • Step 1: the steel columns and the steel beams which are prefabricated in a factory are connected, and the pre-stressed steel strands are tensioned and anchored to form a beam-column frame;
  • Step 2: the hasp members of the two bottom slotted wall plates of the shear wall assembly are inserted into the corresponding hasp bases, then the slotted wall plates are horizontally rotated inwards to be self-locked and fastened, and the remaining slotted wall plates are sequentially assembled from bottom to top and are then self-locked and fastened;
  • Step 3: the connecting plates I are assembled on the front and back sides of the shear wall assembly in a manner that the connecting plates 1 are connected with the slotted wall plates on the left and right sides in an overlap manner, and then the connecting plates I are fastened with high-strength bolts; and
  • Step 4: the angle steel is assembled on front and back sides of a junction between the shear wall assembly and the upper H-shaped steel beam as well as front and back sides of a junction between the shear wall assembly and the lower H-shaped steel beam, and the shear wall assembly and the H-shaped steel beams are connected through high-strength bolts.
  • The above embodiments are only preferred ones of the invention, and are not intended to limit the invention. Various modifications and transformations can be made by those skilled in the art. Any modifications, equivalent substitutions and improvements obtained without deviating from the spirit and principle of the invention should also fall within the protection scope of the invention.

Claims (16)

What is claimed is:
1. A fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure, comprising:
steel columns,
H-shaped steel beams, and
a shear wall assembly;
wherein
the steel columns are arranged on a left side and a right side of the shear wall assembly, and the H-shaped steel beams are arranged at an upper end and a lower end of the shear wall assembly;
the shear wall assembly comprises a left group of slotted wall plates and a right group of slotted wall plates, wherein the left group of slotted wall plates and the right group of slotted wall plates are connected in an overlap manner through a plurality of first connecting plates; the shear wall assembly is connected with a first flange of each H-shaped steel beam of the H-shaped steel beams through an angle steel;
connecting ring plate assemblies are fixed to an upper end of each steel column of the steel columns and a lower end of the each steel column; and each of the connecting ring plate assemblies comprises an outer ring plate, an inner ring plate and a short side plate, wherein the short side plate is arranged between the outer ring plate and the inner ring plate, and the short side plate is fixedly connected with the outer ring plate, the inner ring plate and the each steel column;
the outer ring plate is connected with a second flange of a first side of the each H-shaped steel beam in the overlap manner through a second connecting plate, the inner ring plate is connected with the first flange of a second side of the each H-shaped steel beam in the overlap manner through a third connecting plate, and the short side plate is connected with a web of the H-shaped steel beam in the overlap manner through a fourth connecting plate;
a long side plate is fixedly arranged on each of the steel columns between the connecting ring plate assemblies, and the long side plate is connected with the left group of slotted wall plates or the right group of slotted wall plates through a plurality of self-locking hasps; each of the plurality of self-locking hasps comprises a hasp base and a hasp member, wherein the hasp base is arranged on the long side plate, and the hasp member is arranged on the slotted wall plate, the hasp member comprises a connecting arm and a hasp, the hasp is a circular cylinder, a diameter of the hasp is greater than a width of the connecting arm, and the hasp base is provided with a hasp slot matched with the hasp and a groove matched with the connecting arm; and
a plurality of pre-stressed steel strands are arranged on two sides of the long side plate, and each of two ends of each of the plurality of pre-stressed steel strands penetrates through the inner ring plate, the first flange of the second side of the H-shaped steel beam and the third connecting plate to be anchored to the third connecting plate.
2. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 1, wherein, the left group of slotted wall plates or the right group of slotted wall plates of the shear wall assembly comprises at least two slotted wall plates.
3. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 1, wherein, each of the left group of slotted wall plates and the right group of slotted wall plates comprises a plurality of S-shaped streamline slots.
4. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 3, wherein, both ends of each of the plurality of S-shaped streamline slots respectively comprise a circular arc transition to reduce a stress concentration.
5. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 1, wherein, a number of the plurality of first connecting plates is two, and the two first connecting plates are symmetrically arranged on a front side and a back side of the shear wall assembly.
6. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 1, wherein, each of the H shaped steel beams is connected with the shear wall assembly through two pieces of the angle steel, wherein the two pieces of the angle steel are symmetrically arranged on a front side and a back side of the shear wall assembly.
7. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 1, wherein, the left group of slotted wall plates and the right group of slotted wall plates are connected with the plurality of first connecting plates through a first plurality of high-strength bolts, the outer ring plate is connected with the second connecting plate through a second plurality of high-strength bolts, the inner ring plate is connected with the third connecting plate through a third plurality of high-strength bolts, the short side plate is connected with the fourth connecting plate through a fourth plurality of high-strength bolts, the shear wall assembly is connected with the angle steel through a fifth plurality of high-strength bolts, and the first flange of the each H-shaped steel beam is connected with the angle steel through a sixth plurality of high-strength bolts.
8. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 7, wherein, each high-strength bolt of the first plurality of high-strength bolts, the second plurality of high-strength bolts, the third plurality of high-strength bolts, the fourth plurality of high-strength bolts, the fifth plurality of high-strength bolts and the sixth plurality of high-strength bolts is configured to withstand a high pressure, and the each high-strength bolt has a strength grade of 10.9 and a specification of M16-M30.
9. An assembly method of the fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 1, comprising the following steps:
step 1: connecting the steel columns and the H-shaped steel beams, wherein the steel columns and the H-shaped steel beams are prefabricated in a factory, and tensioning and anchoring the plurality of pre-stressed steel strands to form a beam-column frame;
step 2: inserting hasp members of two bottom slotted wall plates of the shear wall assembly into the hasp base, then horizontally rotating the two bottom slotted wall plates inwards to be self-lock and fasten, sequentially assembling, from bottom to top, the remaining slotted wall plates for self-locking and fastening;
step 3: assembling the plurality of first connecting plates on a front side and a back side of the shear wall assembly, the plurality of first connecting plates are connected with the left group of slotted wall plates and the right group of slotted wall plates in the overlap manner by a first plurality of high-strength bolts; and
step 4: assembling the angle steel respectively on a front side and a back side of a junction between the shear wall assembly and an upper H-shaped steel beam of the H-shaped steel beams, assembling the angle steel respectively on a front side and a back side of a junction between the shear wall assembly and a lower H-shaped steel beam of the H-shaped steel beams, and connecting the shear wall assembly with the H-shaped steel beams through a second plurality of high-strength bolts.
10. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 9, wherein, the left group of slotted wall plates or the right group of slotted wall plates of the shear wall assembly comprises at least two slotted wall plates.
11. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 9, wherein, each of the left group of slotted wall plates and the right group of slotted wall plates comprises a plurality of S-shaped streamline slots.
12. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 11, wherein, both ends of each of the plurality of S-shaped streamline slots respectively comprise a circular arc transition to reduce a stress concentration.
13. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 9, wherein, a number of the plurality of first connecting plates is two, and the two first connecting plates are symmetrically arranged on a front side and a back side of the shear wall assembly.
14. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 9, wherein, each of the H-shaped steel beams is connected with the shear wall assembly through two pieces of the angle steel, wherein the two pieces of the angle steel are symmetrically arranged on a front side and a back side of the shear wall assembly.
15. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 9, wherein, the left group of slotted wall plates and the right group of slotted wall plates are connected with the plurality of first connecting plates through a third plurality of high-strength bolts, the outer ring plate is connected with the second connecting plate through a fourth plurality of high-strength bolts, the inner ring plate is connected with the third connecting plate through a fifth plurality of high-strength bolts, the short side plate is connected with the fourth connecting plate through a sixth plurality of high-strength bolts, the shear wall assembly is connected with the angle steel through a seventh plurality of high-strength bolts, and the flanges of the H-shaped steel beams are connected with the angle steel through an eighth plurality of high-strength bolts.
16. The fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure according to claim 15, wherein, each high-strength bolt of the first plurality of high-strength bolts, the second plurality of high-strength bolts, the third plurality of high-strength bolts, the fourth plurality of high-strength bolts, the fifth plurality of high-strength bolts and the sixth plurality of high-strength bolts is configured to withstand a high pressure, and the each high-strength bolt has a strength grade of 10.9 and a specification of M16-M30.
US16/624,910 2018-04-20 2018-07-05 Fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure Expired - Fee Related US10895087B1 (en)

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CN201810358746.8 2018-04-20
PCT/CN2018/094607 WO2019200727A1 (en) 2018-04-20 2018-07-05 Assembled self-recovery energy-consumption type dual-steel plate slotted shear wall structure

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CN115387508A (en) * 2022-08-24 2022-11-25 安徽省建筑科学研究设计院 A steel plate shear wall and its construction method
CN115492267A (en) * 2022-09-05 2022-12-20 福州大学 Multi-protection assembly type steel-concrete combined shear wall and construction method thereof
CN115653156A (en) * 2022-09-26 2023-01-31 北京建筑大学 Full-dry type energy-consumption connection assembly type shear wall system and construction method thereof
CN115961716A (en) * 2023-02-14 2023-04-14 中建海龙科技有限公司 Prefabricated shear wall system with vertical connection form and installation implementation method thereof
WO2025086374A1 (en) * 2023-10-25 2025-05-01 中国十七冶集团有限公司 Fabricated steel structure residence system

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CN108468397B (en) 2019-09-03
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JP6793421B2 (en) 2020-12-02
CN108468397A (en) 2018-08-31
EP3708731A4 (en) 2021-03-17
WO2019200727A1 (en) 2019-10-24
US10895087B1 (en) 2021-01-19
EP3708731A1 (en) 2020-09-16
DK3708731T3 (en) 2021-09-06
JP2020521071A (en) 2020-07-16

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