CN106760055B - Vertical connection structure of assembled shear wall and construction method thereof - Google Patents

Vertical connection structure of assembled shear wall and construction method thereof Download PDF

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Publication number
CN106760055B
CN106760055B CN201710196954.8A CN201710196954A CN106760055B CN 106760055 B CN106760055 B CN 106760055B CN 201710196954 A CN201710196954 A CN 201710196954A CN 106760055 B CN106760055 B CN 106760055B
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shear wall
flange plate
groove
vertical
wall component
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CN106760055A (en
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蔡焕琴
王丽楠
麻建锁
梁玲玉
李雪娜
齐梦
陈硕
程岚
张敏
高新壮
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Shenzhen Hongshengda Building Decoration Engineering Co ltd
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Hebei University of Architecture
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/90Passive houses; Double facade technology

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The utility model provides an assembled shear force wall vertical connection structure and construction method thereof, the connection structure includes the shear force wall component through the vertical concatenation of coupling assembling, the inboard surface of shear force wall component piece department is opened has along the setting of piece through-length, the notch is towards indoor caulking groove, upper shear force wall component throws away has the vertical whipping bar in bottom, lower floor's shear force wall component throws away has the vertical whipping bar in top, coupling assembling includes that the opening is towards indoor horizontal steel frame of cell type and sleeve, vertical whipping bar all passes corresponding position and sleeve threaded connection. And the groove-shaped horizontal steel frames of the two vertically intersected shear wall components on the same layer are fixedly connected, and the groove-shaped horizontal steel frames are mutually connected to form the steel ring beam. According to the invention, the embedded groove is formed in the shear wall component, the throwing rib extends into the embedded groove and is sleeved with the thread, and the groove-shaped steel frame and the inner thread sleeve are arranged in the embedded groove, so that the detachable connection is realized, the installation of the wallboard is facilitated, the construction speed of the structure is accelerated, the field wet operation is reduced, and the assembly level of the building structure is improved.

Description

Vertical connection structure of assembled shear wall and construction method thereof
Technical Field
The invention belongs to a building structure connection structure, and particularly relates to a vertical connection structure of an assembled concrete shear wall and a construction method thereof.
Background
In recent years, the construction of green, energy-saving and healthy buildings becomes the basic national policy of China, and the industrialized prefabrication of the engineering construction is mainly required and the field mechanical assembly and matching are realized by using the industrialized engineering construction mode of standardization and industrialization as a mark.
In the assembly type concrete shear wall component, the vertical connection of the shear wall is one of key technologies. The existing connection methods all have the following defects: firstly, a cold and hot bridge is arranged at the vertical connecting part of the shear wall to reduce the heat insulation performance of the building; secondly, the connecting difficulty of the vertical steel bars of the shear wall is higher, the cost of sleeves and grouting materials for grouting connection of the steel bar sleeves is high, and the construction quality inspection and acceptance is inconvenient to carry out; thirdly, the loose core pore-forming stirrup restraining reinforced concrete anchor lap joint and the metal corrugated pipe pore-forming reinforced concrete anchor lap joint are connected one by vertical reinforcing steel bars, and have the defects of large number of open holes, high installation difficulty, large using amount of grouting material, easy cracking of a protective layer at the open hole and the like; fourth, the vertical reinforcing bar of prefabricated wall body generally is two-sided muscle, and the more overlap joint length of its radical is longer, and the upper end all has longer reinforcing bar to stretch out outside the wall, be not convenient for transport, be not convenient for be under construction.
Disclosure of Invention
The invention aims to provide a vertical connection structure of an assembled shear wall and a construction method thereof, and aims to solve the technical problems of poor thermal insulation performance, high connection cost, inconvenient construction quality acceptance, high installation difficulty, large grouting material using amount and inconvenient transportation and construction of the conventional vertical connection structure of the shear wall.
In order to achieve the purpose, the invention adopts the following technical scheme:
an assembled shear wall vertical connection structure comprises an upper layer of shear wall components and a lower layer of shear wall components which are vertically spliced through a connecting component, wherein the inner side surfaces of the splicing parts of the upper layer of shear wall components and the lower layer of shear wall components are provided with caulking grooves which are arranged along the whole length of the splicing joints and the notches of which face indoors, at least one row of bottom vertical throwing ribs extending into the caulking grooves are thrown out of the inner side of the bottom of the upper layer of shear wall components, at least one row of top vertical throwing ribs extending into the caulking grooves are thrown out of the inner side of the top of the lower layer of shear wall components,
the connecting assembly comprises a groove-shaped horizontal steel frame and a sleeve, the groove-shaped horizontal steel frame is matched with the size of the caulking groove and is arranged along the whole length of the abutted seam, the opening of the groove-shaped horizontal steel frame faces indoors and comprises a horizontal upper flange plate, a vertical side plate and a horizontal lower flange plate, the end surfaces of the upper flange plate and the lower flange plate are flush with the inner surface of the shear wall component,
the upper flange plate is provided with upper flange plate rib penetrating holes corresponding to the bottom vertical flail bars one by one, and the bottom vertical flail bars penetrate through the upper flange plate rib penetrating holes and are fastened through the upper flange plate sleeve.
The lower flange plate is provided with lower flange plate rib penetrating holes which are in one-to-one correspondence with the top vertical flail ribs, the top vertical flail ribs penetrate through the lower flange plate rib penetrating holes and are fastened through the lower flange plate sleeve,
and the groove-shaped horizontal steel frames of the two vertically intersected shear wall components on the same layer are fixedly connected, and the groove-shaped horizontal steel frames are mutually connected to form the steel ring beam.
The vertical whipping muscle in bottom and the vertical whipping muscle in top are the interior atress reinforcing bar of shear force wall component or embedded steel bar, the vertical whipping muscle in bottom and the vertical whipping muscle in top stretch into the throw-out end in the caulking groove and all are equipped with the external screw thread, open the internal thread that has adapted with the external screw thread in corresponding top flange board sleeve and the bottom flange board sleeve, and the whipping muscle passes through threaded connection with the flange board sleeve.
The caulking grooves are all arranged on the inner side of the bottom of the lower-layer shear wall component, the end faces of the upper flange plate and the lower flange plate are flush with the inner side face of the lower-layer shear wall component, and the upper side surface of the upper flange plate is flush with the top surface of the lower-layer shear wall component.
The caulking grooves are all arranged on the inner side of the bottom of the upper-layer shear wall component, the end faces of the upper flange plate and the lower flange plate are flush with the inner side face of the upper-layer shear wall component, and the lower side surface of the lower flange plate is flush with the bottom surface of the upper-layer shear wall component.
The horizontal steel frame of cell type is shaped steel, the contained angle between upper flange board and bottom flange board and the curb plate is all not less than 90 degrees, is not more than 120 degrees.
The distance between the end of the bottom vertical throwing rib and the end of the top vertical throwing rib is not less than the sum of the axial lengths of the upper flange plate sleeve and the lower flange plate sleeve.
The shear wall component is divided into an inner wall surface and an outer wall surface, the inner wall surface is a reinforced concrete slab, the outer wall surface is a sandwich plate comprising an outer leaf plate, a heat insulation layer and an inner leaf stress plate, and the inner leaf stress plate is the reinforced concrete slab.
When the upper layer shear wall component and the lower layer shear wall component are both external wall surfaces, the groove-shaped horizontal steel frame is embedded into the range of the inner blade stress plate. When the upper-layer shear wall component and the lower-layer wall surface structure are both inner wall surfaces, the groove-shaped horizontal steel frame is directly embedded into the inner wall surfaces.
And the distance between the vertical side plate of the groove-shaped horizontal steel frame and the heat insulation layer is not less than 20 mm.
A construction method of a vertical connection structure of an assembled shear wall comprises the following construction steps:
designing and splitting shear wall components according to structural loads, and designing components of each shear wall vertical connection structure;
assembling a die of the precast concrete shear wall component, prefabricating by adopting a flat die method, reserving an embedded groove at the design position of the upper layer shear wall component or the lower layer shear wall component, throwing at least one row of bottom vertical throwing ribs extending into the embedded groove from the inner side of the bottom of the upper layer shear wall component, and throwing at least one row of top vertical throwing ribs extending into the embedded groove from the inner side of the top of the lower layer shear wall component;
pouring concrete of the shear wall member, cleaning bottom vertical throwing ribs and top vertical throwing ribs, and sleeving external threads on throwing-out ends of the throwing ribs;
step four, maintaining the shear wall component, and carrying out anti-corrosion treatment on the throwing ribs by using anti-rust paint;
designing a groove-shaped horizontal steel frame and a sleeve matched with the swing rib for use according to stress, arranging an upper flange plate rib penetrating hole on an upper flange plate of the groove-shaped horizontal steel frame in a factory, and arranging a lower flange plate rib penetrating hole on a lower flange plate of the groove-shaped horizontal steel frame; the sleeve comprises an upper flange plate sleeve and a lower flange plate sleeve, and an internal thread matched with the external thread is processed in the sleeve;
step six, demolding and washing: dismantling the die of the shear wall components, washing, inspecting and marking, then sequentially transporting all the shear wall components to the site according to a transportation scheme,
step seven, hoisting construction: hoisting the upper-layer shear wall component to align to a preset position of the lower-layer shear wall component according to the hoisting scheme;
step eight, a worker stands indoors and firstly embeds the groove-shaped horizontal steel frame into the caulking groove according to the designed position, the opening of the groove-shaped horizontal steel frame and the opening of the caulking groove are consistent and face indoors, and the upper flange plate, the side plate and the lower flange plate of the groove-shaped horizontal steel frame are tightly attached to the surface of the caulking groove;
step nine, enabling the top vertical throwing ribs to penetrate through the lower flange plate rib penetrating holes and be fastened through the lower flange plate sleeve; and (4) penetrating the bottom vertical throwing rib through the upper flange plate rib penetrating hole and fastening through the upper flange plate sleeve, and finishing connection.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
according to the invention, the embedded groove is formed in the shear wall component, and the reserved throwing rib of the wallboard is shorter in length, so that the transportation of the wallboard is facilitated; get rid of the muscle and stretch into in the caulking groove and mantle fiber, through installation cell type steel frame and internal thread sleeve in the caulking groove, the connection between precast concrete shear force wallboard about realizing need not to carry out traditional thick liquid anchor overlap joint construction, uses through the combination of external screw thread, internal thread and steel frame to realize dismantling the connection, and the installation of the wallboard of being convenient for has accelerated the construction speed of structure, reduces on-the-spot wet work, has improved building structure's assembly level.
According to the invention, the groove-shaped steel frame is adopted to vertically connect the shear wall body, and meanwhile, the steel material has good ductility, so that the earthquake-resistant bearing capacity of the building is greatly improved. After all the steel frames are connected with each other, a steel ring beam structure is integrally formed, and the structural integrity and the shock resistance are improved.
The invention solves the problem of cold and hot bridges at the vertical connecting node of the precast concrete shear wall, the insulation board of the outer wall extends to the node part, and the connecting node is positioned on the inner blade plate at the inner side, so that the cold bridge at the connecting node is isolated, and the energy-saving efficiency of the building is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic view of the whole installation of a building.
FIG. 2 is a schematic structural disassembly diagram illustrating vertical connection of upper and lower shear wall members according to the first embodiment.
FIG. 3 is a schematic view of a structural combination of vertical connection of upper and lower shear wall members according to an embodiment.
Fig. 4 is a side view schematic of fig. 3.
Fig. 5 is a schematic structural disassembly diagram illustrating vertical connection of upper and lower shear wall members according to the second embodiment.
FIG. 6 is a schematic view of a structural combination of vertical connection of upper and lower shear wall members according to the second embodiment.
Fig. 7 is a side view schematic of the structure of fig. 6.
Fig. 8 is a schematic structural disassembly diagram of vertical connection of upper and lower shear wall members in the third embodiment.
FIG. 9 is a schematic view of a structural combination of vertical connection of upper and lower shear wall members according to the third embodiment.
Fig. 10 is a side view schematic of the structure of fig. 9.
Reference numerals are as follows: 1-upper shear wall component, 1.1-bottom vertical fling, 2-lower shear wall component, 2.1-top vertical fling, 3-caulking groove, 4-groove horizontal steel frame, 4.1-upper flange plate, 4.11-upper flange plate hole, 4.2-lower flange plate, 4.21-lower flange plate hole, 4.3-side plate, 5-upper flange plate sleeve, 6-lower flange plate sleeve, 7-inner wall surface, 8-outer wall surface, 8.1-outer blade plate, 8.2-heat preservation layer, 8.3-inner blade bearing plate and 9-steel ring beam.
Detailed Description
In the first embodiment, as shown in fig. 1 to 4, an assembled shear wall vertical connection structure comprises an upper layer of shear wall member and a lower layer of shear wall member which are vertically spliced through a connection assembly, wherein the inner side surfaces of the splicing parts of the upper layer of shear wall member and the lower layer of shear wall member are provided with caulking grooves 3 which are arranged along the through length of the splicing parts and have the groove openings facing indoors, at least two rows of bottom vertical throwing ribs 1.1 which extend into the caulking grooves 3 are thrown out of the inner side of the bottom of the upper layer of shear wall member 1, and at least two rows of top vertical throwing ribs 2.1 which extend into the caulking grooves 3 are thrown out of the inner side of the top of the lower layer of shear wall member 2. In this embodiment, there are two rows of bottom vertical flail bars 1.1 and top vertical flail bars 2.1 aligned up and down. The bottom vertical flail bars 1.1 and the top vertical flail bars 2.1 are stress steel bars or embedded steel bars in the shear wall component.
Coupling assembling includes the horizontal steel frame of cell type 4 and the sleeve that sets up with the size of caulking groove suits and along the piece length, and this horizontal steel frame of cell type 4's opening is indoor, including horizontally upper flange board 4.1, vertical curb plate 4.3 and horizontally lower flange board 4.2, the terminal surface of upper flange board 4.1 and lower flange board 4.2 and the internal surface parallel and level of shear force wall component.
The upper flange plate 4.1 is provided with upper flange plate rib penetrating holes 4.11 which are in one-to-one correspondence with the bottom vertical flail bars 1.1, and the bottom vertical flail bars 1.1 penetrate the upper flange plate rib penetrating holes 4.11 and are fastened through the upper flange plate sleeve 5.
The lower flange plate 4.2 is provided with lower flange plate rib penetrating holes 4.21 which are in one-to-one correspondence with the top vertical ribs 2.1, and the top vertical ribs 2.1 penetrate through the lower flange plate rib penetrating holes 4.21 and are fastened through the lower flange plate sleeve 6.
Referring to fig. 1, the groove-shaped horizontal steel frames of the two shear wall members vertically intersected in the same layer are fixedly connected, and the groove-shaped horizontal steel frames are connected with each other to form a steel ring beam 9.
The throwing ends of the bottom vertical throwing ribs 1.1 and the top vertical throwing ribs 2.1 extending into the embedded grooves 3 are provided with external threads, internal threads matched with the external threads are formed in the corresponding upper flange plate sleeve 5 and the corresponding lower flange plate sleeve 6, and the throwing ribs are connected with the flange plate sleeves through threads.
In this embodiment, the caulking grooves 3 are all arranged on the inner side of the top of the lower shear wall member 2, the end surfaces of the upper flange plate 4.1 and the lower flange plate 4.2 are flush with the inner side surface of the lower shear wall member 2, and the upper side surface of the upper flange plate 4.1 is flush with the top surface of the lower shear wall member 2.
Example two referring to fig. 1, 5-7, unlike the first example, the caulking grooves 3 are all arranged on the inner side of the top bottom of the upper layer shear wall member 1, the end surfaces of the upper flange plate 4.1 and the lower flange plate 4.2 are flush with the inner side surface of the upper layer shear wall member 1, and the lower side surface of the lower flange plate 4.2 is flush with the bottom surface of the upper layer shear wall member 1.
In addition, the shear wall component is divided into an inner wall surface 7 and an outer wall surface 8, wherein the inner wall surface 7 is a reinforced concrete slab, the outer wall surface 8 is a sandwich plate comprising an outer leaf plate 8.1, a heat insulation layer 8.2 and an inner leaf stress plate 8.3, and the inner leaf stress plate 8.3 is a reinforced concrete slab. In the embodiment, the upper-layer shear wall component 1 and the lower-layer shear wall component 2 are both outer wall surfaces, so that the groove-shaped horizontal steel frame 4 is embedded in the range of the inner blade stress plate 8.3, and the distance between the vertical side plate 4.3 of the groove-shaped horizontal steel frame 4 and the heat insulation layer 8.2 is not less than 20 mm. At the moment, the heat-insulating layer is continuous at the joint and is not influenced by a cold bridge and a hot bridge.
Third embodiment referring to fig. 1 and 8-10, the difference from the second embodiment is that the upper layer shear wall member 1 and the lower layer shear wall member 2 are both inner wall surfaces, and the groove-shaped horizontal steel frame 4 is directly embedded into the inner wall surfaces.
In the invention, the groove-shaped horizontal steel frame 4 can be section steel, the included angles between the upper flange plate 4.1 and the side plate 4.3 and the lower flange plate 4.2 are not less than 90 degrees and not more than 120 degrees, and the groove-shaped horizontal steel frame is directly and vertically welded in general actual processing.
The cross-sectional dimensions of the insert groove 3 can be determined according to the specific structural design.
The distance between the end of the bottom vertical throwing rib 1.1 and the end of the top vertical throwing rib 2.1 is not less than the sum of the axial lengths of the upper flange plate sleeve 5 and the lower flange plate sleeve 6, so that a worker can conveniently sleeve the sleeves on the throwing ribs during construction.
Referring to fig. 1 to 10, a construction method of a vertical connection structure of an assembled shear wall includes the following construction steps:
designing and splitting shear wall components according to structural loads, and designing components of vertical connection structures of all shear walls;
assembling a die of the precast concrete shear wall component, prefabricating by adopting a flat die method, reserving an embedded groove 3 at the design position of the upper layer shear wall component 1 or the lower layer shear wall component 2, throwing at least one row of bottom vertical throwing ribs 1.1 extending into the embedded groove 3 from the inner side of the bottom of the upper layer shear wall component, and throwing at least one row of top vertical throwing ribs 2.1 extending into the embedded groove 3 from the inner side of the top of the lower layer shear wall component;
pouring concrete of the shear wall member, cleaning a bottom vertical throwing rib 1.1 and a top vertical throwing rib 2.1, and sleeving external threads at the throwing end of the throwing ribs;
step four, maintaining the shear wall component, and carrying out anti-corrosion treatment on the throwing ribs by using anti-rust paint;
designing a groove-shaped horizontal steel frame and a sleeve matched with the swing rib for use according to stress, arranging an upper flange plate penetrating hole 4.11 on an upper flange plate 4.1 of the groove-shaped horizontal steel frame, and arranging a lower flange plate penetrating hole 4.21 on a lower flange plate 4.2 of the groove-shaped horizontal steel frame in a factory; the sleeve comprises an upper flange plate sleeve 5 and a lower flange plate sleeve 6, and an internal thread matched with the external thread is processed in the sleeve;
step six, demolding and washing: dismantling the die of the shear wall components, washing, inspecting and marking, then sequentially transporting all the shear wall components to the site according to a transportation scheme,
step seven, hoisting construction: according to the hoisting scheme, hoisting the upper-layer shear wall member 1 to align the preset position of the lower-layer shear wall member 2;
step eight, a worker stands indoors and firstly embeds the groove-shaped horizontal steel frame 4 into the caulking groove 3 according to a designed position, the opening of the groove-shaped horizontal steel frame 4 is consistent with the opening of the caulking groove 3 and faces indoors, and the upper flange plate 4.1, the side plate 4.3 and the lower flange plate 4.2 of the groove-shaped horizontal steel frame 4 are tightly attached to the surface of the caulking groove 3;
step nine, enabling the top vertical throwing ribs 2.1 to penetrate through the lower flange plate rib penetrating holes 4.21 and be fastened through the lower flange plate sleeve 6; and (3) enabling the bottom vertical flail rib 1.1 to penetrate through the upper flange plate rib penetrating hole 4.11 and be fastened through the upper flange plate sleeve 5, and completing connection.

Claims (6)

1. The utility model provides a vertical connection structure of assembled shear force wall, includes upper and lower two-layer shear force wall component through the vertical concatenation of coupling assembling, its characterized in that: the inner side surface of the joint of the upper layer shear wall component and the lower layer shear wall component is provided with an embedded groove (3) which is arranged along the through length of the joint and the notch of which faces indoors, the inner side of the bottom of the upper layer shear wall component (1) is thrown with at least one row of bottom vertical throwing ribs (1.1) which extend into the embedded groove (3), the inner side of the top of the lower layer shear wall component (2) is thrown with at least one row of top vertical throwing ribs (2.1) which extend into the embedded groove (3),
the connecting assembly comprises a groove-shaped horizontal steel frame (4) and a sleeve, the groove-shaped horizontal steel frame (4) is matched with the size of the caulking groove and is arranged along the whole length of the spliced seam, the opening of the groove-shaped horizontal steel frame (4) faces indoors and comprises a horizontal upper flange plate (4.1), a vertical side plate (4.3) and a horizontal lower flange plate (4.2), the end surfaces of the upper flange plate (4.1) and the lower flange plate (4.2) are flush with the inner surface of the shear wall component,
the upper flange plate (4.1) is provided with upper flange plate rib penetrating holes (4.11) which are in one-to-one correspondence with the bottom vertical flail bars (1.1), and the bottom vertical flail bars (1.1) penetrate through the upper flange plate rib penetrating holes (4.11) and are fastened through the upper flange plate sleeve (5);
the lower flange plate (4.2) is provided with lower flange plate rib penetrating holes (4.21) which are in one-to-one correspondence with the top vertical flail bars (2.1), the top vertical flail bars (2.1) penetrate through the lower flange plate rib penetrating holes (4.21) and are fastened through a lower flange plate sleeve (6),
the groove-shaped horizontal steel frames of the two shear wall components which are vertically intersected in the same layer are fixedly connected, the groove-shaped horizontal steel frames are mutually connected to form a steel ring beam (9),
the bottom vertical throwing rib (1.1) and the top vertical throwing rib (2.1) are stress steel bars or embedded steel bars in the shear wall component, the throwing ends of the bottom vertical throwing rib (1.1) and the top vertical throwing rib (2.1) extending into the caulking groove (3) are respectively provided with an external thread, the corresponding upper flange plate sleeve (5) and the lower flange plate sleeve (6) are internally provided with an internal thread matched with the external thread, the throwing ribs are connected with the flange plate sleeves through threads,
the distance between the end of the bottom vertical throwing rib (1.1) and the end of the top vertical throwing rib (2.1) is not less than the sum of the axial lengths of the upper flange plate sleeve (5) and the lower flange plate sleeve (6),
the shear wall component comprises an inner wall surface (7) and an outer wall surface (8), the inner wall surface (7) is a reinforced concrete slab, the outer wall surface (8) is a sandwich plate comprising an outer leaf plate (8.1), a heat insulation layer (8.2) and an inner leaf stress plate (8.3), the inner leaf stress plate (8.3) is a reinforced concrete slab,
the distance between a vertical side plate (4.3) of the groove type horizontal steel frame (4) and the heat insulation layer (8.2) is not less than 20 mm.
2. The fabricated shear wall vertical connection structure of claim 1, wherein: the caulking groove (3) are all arranged on the inner side of the top of the lower shear wall component (2), the end faces of the upper flange plate (4.1) and the lower flange plate (4.2) are flush with the inner side face of the lower shear wall component (2), and the upper side surface of the upper flange plate (4.1) is flush with the top surface of the lower shear wall component (2).
3. The fabricated shear wall vertical connection structure of claim 1, wherein: the caulking grooves (3) are all arranged on the inner side of the bottom of the upper-layer shear wall component (1), the end faces of the upper flange plate (4.1) and the lower flange plate (4.2) are flush with the inner side face of the upper-layer shear wall component (1), and the lower side surface of the lower flange plate (4.2) is flush with the bottom surface of the upper-layer shear wall component (1).
4. The fabricated shear wall vertical connection structure of claim 1, wherein: the horizontal steel frame of cell type (4) is shaped steel, the contained angle between upper flange board (4.1) and lower flange board (4.2) and curb plate (4.3) is not less than 90 degrees, is not more than 120 degrees.
5. The fabricated shear wall vertical connection structure of claim 1, wherein: when the upper-layer shear wall component (1) and the lower-layer shear wall component (2) are both outer wall surfaces, the groove-shaped horizontal steel frame (4) is embedded in the range (8.3) of the inner blade stress plate; when the upper-layer shear wall component (1) and the lower-layer shear wall component (2) are both inner wall surfaces, the groove-shaped horizontal steel frame (4) is directly embedded into the inner wall surfaces.
6. A construction method of the fabricated shear wall vertical connection structure according to any one of claims 1 to 5, characterized by comprising the following construction steps:
designing and splitting shear wall components according to structural loads, and designing components of vertical connection structures of all shear walls;
assembling a die of a precast concrete shear wall component, prefabricating by adopting a flat die method, reserving an embedded groove (3) at the design position of an upper layer shear wall component (1) or a lower layer shear wall component (2), throwing at least one row of bottom vertical throwing ribs (1.1) extending into the embedded groove (3) from the inner side of the bottom of the upper layer shear wall component, and throwing at least one row of top vertical throwing ribs (2.1) extending into the embedded groove (3) from the inner side of the top of the lower layer shear wall component;
pouring concrete of the shear wall member, cleaning a bottom vertical throwing rib (1.1) and a top vertical throwing rib (2.1), and sleeving external threads at the throwing end of the throwing ribs;
maintaining the shear wall component, and performing anti-corrosion treatment on the throwing bars by using anti-corrosive paint;
designing a groove-shaped horizontal steel frame and a sleeve matched with a swing rib for use according to stress, and arranging an upper flange plate rib penetrating hole (4.11) on an upper flange plate (4.1) of the groove-shaped horizontal steel frame and a lower flange plate rib penetrating hole (4.21) on a lower flange plate (4.2) of the groove-shaped horizontal steel frame in a factory; the sleeve comprises an upper flange plate sleeve (5) and a lower flange plate sleeve (6), and an internal thread matched with the external thread is processed in the sleeve;
step six, demolding and washing: dismantling the die of the shear wall components, washing, inspecting and marking, then sequentially transporting all the shear wall components to the site according to a transportation scheme,
step seven, hoisting construction: hoisting the upper-layer shear wall member (1) to align to a preset position of the lower-layer shear wall member (2) according to a hoisting scheme;
step eight, a worker stands indoors and firstly embeds the groove-shaped horizontal steel frame (4) into the caulking groove (3) according to a designed position, the opening of the groove-shaped horizontal steel frame (4) is consistent with the opening of the caulking groove (3) and faces indoors, and the upper flange plate (4.1), the side plate (4.3) and the lower flange plate (4.2) of the groove-shaped horizontal steel frame (4) are tightly attached to the surface of the caulking groove (3);
step nine, enabling the top vertical throwing ribs (2.1) to penetrate through the lower flange plate rib penetrating holes (4.21) and be fastened through the lower flange plate sleeve (6); and (3) penetrating the bottom vertical throwing rib (1.1) through the upper flange plate rib penetrating hole (4.11) and fastening through the upper flange plate sleeve (5) to finish connection.
CN201710196954.8A 2017-03-29 2017-03-29 Vertical connection structure of assembled shear wall and construction method thereof Active CN106760055B (en)

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CN107605065B (en) * 2017-08-30 2023-12-05 国网冀北电力有限公司经济技术研究院 Assembled shear wallboard, wallboard connecting structure and construction method thereof
CN108952284B (en) * 2018-07-24 2020-12-18 青岛理工大学 Shear wall vertical damping bearing connecting piece and mounting method thereof
CN109281421A (en) * 2018-09-30 2019-01-29 美好建筑装配科技有限公司 A kind of boxlike connection structure system for fabricated shear wall
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