CN109555228B - Assembled prefabricated PCF external wall panel fixing device and construction method thereof - Google Patents
Assembled prefabricated PCF external wall panel fixing device and construction method thereof Download PDFInfo
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- CN109555228B CN109555228B CN201811593541.4A CN201811593541A CN109555228B CN 109555228 B CN109555228 B CN 109555228B CN 201811593541 A CN201811593541 A CN 201811593541A CN 109555228 B CN109555228 B CN 109555228B
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- 238000010276 construction Methods 0.000 title description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000009413 insulation Methods 0.000 claims description 30
- 230000000149 penetrating effect Effects 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 3
- 210000003195 fascia Anatomy 0.000 claims 5
- 238000004321 preservation Methods 0.000 claims 1
- 238000010008 shearing Methods 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
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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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
-
- 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
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
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- 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
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/26—Strutting means for wall parts; Supports or the like, e.g. for holding in position prefabricated walls
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The assembled prefabricated PCF external wall panel fixing device comprises an embedded assembly, a shear wall inner connecting assembly and a shear wall outer connecting assembly; the embedded assembly comprises an embedded plate and a first connecting nut; the embedded component is embedded in the prefabricated PCF external wall panel; the shear wall connecting assembly comprises a first connecting plate, a second connecting plate and a second connecting nut; the shear wall external connection assembly comprises a third connection plate, a support plate and an inclined stay bar. The invention solves the technical problems of low transportation efficiency, high protection difficulty of finished products and easy rusting of steel plates around the shear wall of the traditional PCF external wall board.
Description
Technical Field
The invention belongs to the field of constructional engineering, and in particular relates to an assembled prefabricated PCF external wall panel fixing device and a construction method thereof.
Background
The prefabricated building is greatly developed at present, the prefabricated PCF board is a wallboard type in 'fabricated' components, and the transportation of the components and the fixation of the components are all important processes in the prefabricated structure; how to improve the transportation quality of the components and ensure the construction quality of the components and the embedded parts. The fixing piece reserved by the traditional PCF external wall board and connected with the diagonal brace is a strip-shaped embedded steel plate, when the shear wall is 200mm wide, the exposed length of the steel plate is about 400mm, when PCF wall boards (prefabricated external wall boards) are stacked and transported, the wall boards are difficult to stack or put in multiple layers, the transportation efficiency is low, and the protection difficulty of finished products is high; after the concrete pouring of the shear wall is completed, the peripheral concrete of the existing embedded connecting piece needs to be chiseled, and the outer steel plate needs to be cut off; the steel plate is difficult to cut, rust is easy to occur in the later stage of improper operation, and the cut steel plate cannot be reused.
Disclosure of Invention
The invention aims to provide an assembled prefabricated PCF external wall panel fixing device and a construction method thereof, which are used for solving the technical problems of low transportation efficiency, high protection difficulty of finished products and easy rusting of steel plates around a shear wall of the traditional PCF external wall panel.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
The fixing device for the assembled prefabricated PCF external wall panel comprises an embedded assembly, a shear wall internal connection assembly and a shear wall external connection assembly; the embedded assembly comprises an embedded plate and a first connecting nut; a group of first connecting holes are formed in the surface of the buried plate at intervals; the first connecting nuts are provided with a group of first connecting holes which are correspondingly connected in the buried plate; the embedded component is embedded in the prefabricated PCF external wall panel; wherein, the surface of the buried plate is flush with the inner side surface of the prefabricated PCF outer wall plate;
the shear wall internal connection assembly comprises a first connecting plate, a second connecting plate and a second connecting nut, wherein the second connecting plate is vertically and vertically welded in the middle of the plate surface of the first connecting plate; the plate surface of the first connecting plate is provided with a second connecting hole at a position corresponding to a group of first connecting holes; the first connecting plate is attached to the surface of the buried plate, and the shear wall inner connecting assembly is connected with the embedded assembly through a first bolt penetrating through the first connecting nut and the second connecting hole; the second connecting nut is horizontally embedded in the end plate of the second connecting plate, and the end of the second connecting nut does not exceed the inner side surface of the shear wall to be constructed;
the shear wall outer connecting assembly comprises a third connecting plate, a supporting plate and an inclined strut; a third connecting hole is formed in the plate surface of the third connecting plate; the two support plates are vertically welded on the plate surface of the third connecting plate respectively; the third connecting plate is attached to the end part of the second connecting nut, and the shear wall outer connecting assembly and the shear wall inner connecting assembly are connected through a second bolt penetrating through the third connecting hole and the second connecting nut; the diagonal brace is used for supporting the prefabricated PCF external wall panel, wherein the lower end of the diagonal brace is supported on the ground, and the upper end of the diagonal brace is detachably connected between the two supporting plates.
Preferably, an insulation board is arranged on the inner side of the prefabricated PCF outer wall board; the shear wall inner connecting assembly is arranged in the heat insulation plate, wherein the outer side face of the first connecting plate is flush with the outer side face of the heat insulation plate, the end part of the second connecting plate exceeds the inner side face of the heat insulation plate, and the distance from the end part of the second connecting plate to the inner side face of the heat insulation plate is matched with the thickness of the shear wall to be constructed; the heat-insulating plate and the prefabricated PCF external wall plate are processed and formed at one time in a factory.
Preferably, a hole for passing through the shear resistant member is correspondingly formed at the opposite side of the first connecting nut and near the end part.
Preferably, the shear wall connecting assembly further comprises a stiffening plate; the stiffening plates are two and are respectively arranged on two sides of the second connecting plate, and each stiffening plate is horizontally connected between the second connecting plate and the first connecting plate.
Preferably, the parts of the two second connecting plates, which exceed the inner side surfaces of the heat insulation plates, are correspondingly provided with perforations for penetrating through the shear resistant pieces.
Preferably, a first through hole is formed in the plate surface of the supporting plate; the upper end of the diagonal brace is provided with a second through hole at a position corresponding to the first through hole; the upper end of the diagonal brace is inserted between the two support plates and is connected through a third bolt penetrating through the first through hole and the second through hole.
A construction method of an assembled prefabricated PCF external wall panel fixing device comprises the following steps.
Step one, manufacturing the embedded assembly, the shear wall inner connecting assembly and the shear wall outer connecting assembly.
Embedding the embedded assembly into the prefabricated PCF external wall panel.
And thirdly, connecting the shear wall inner connecting assembly on the inner side surface of the prefabricated PCF outer wall plate.
And step four, hoisting the structure constructed in the step three to a designed position.
And fifthly, connecting the end part of the second connecting nut in the shear wall inner connecting assembly with the shear wall outer connecting assembly, and supporting the diagonal brace between the shear wall outer connecting assembly and the ground.
And step six, binding steel bars of the shear wall to be constructed, supporting the templates and pouring concrete.
And seventhly, dismantling the outer connecting assembly of the shear wall after the concrete reaches the design strength.
Preferably, when the inner side of the prefabricated PCF external wall panel is provided with an insulation board; the outer side surface of the first connecting plate is flush with the outer side surface of the heat insulation plate, the end part of the second connecting plate exceeds the inner side surface of the heat insulation plate, and the length of the exceeding part is matched with the thickness of the shear wall to be constructed; the heat insulation board is connected with the buried plate through a first bolt penetrating through the first connecting plate.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. According to the invention, analysis and research are carried out according to the fixing mode of a conventional embedded steel plate of the prefabricated PCF external wall panel, the embedded connecting device is split, and the fixing mode is adjusted to be bolt assembly type connection; the device is simple and economical, has popular and easily understood principle and convenient operation, and effectively improves the transportation quality and the field operation.
2. According to the invention, the single embedded steel plate is adjusted into the assembled embedded assembly, so that the problem that the exposed length of the traditional embedded assembly is large is solved, and the effect that the embedded part is not protruded in the PCF shear wall is achieved, so that the prefabricated PCF external wall panel can be placed in layers according to the requirements during transportation, the transportation and stacking problems of the prefabricated PCF external wall panel are solved, and the transportation efficiency and the transportation quality are improved.
3. According to the invention, the shear wall and the embedded assembly on the prefabricated PCF outer wall board are in field bolt connection, so that the fixed connection of the prefabricated PCF outer wall board is ensured; in addition, the outer connecting assembly of the shear wall can be recycled and used easily after concrete is poured.
4. The part of the embedded assembly embedded in the prefabricated PCF external wall panel is not protruded outwards; the PCF plates can be placed in layers according to the requirements during transportation, so that the transportation efficiency and the transportation quality are improved; the shear wall and the shear wall outer connecting assembly are connected on site, the shear wall outer connecting assembly adopts a connecting measure, the shear wall outer connecting assembly is easy to detach after the construction of the shear wall is completed, the operation is convenient, the shear wall outer connecting assembly can be repeatedly used, a protective layer is reserved on a bolt embedded part in the shear wall after the shear wall outer connecting assembly is detached, cement mortar is used for plugging, and the problem of later rust is solved.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic view of a buried plate according to the present invention.
Fig. 2 is a schematic structural diagram of an embedded component in the present invention.
Fig. 3 is a schematic structural view of a first bolt disposed in the embedded assembly of the present invention.
Fig. 4 is a schematic side view of a first coupling nut according to the present invention.
Fig. 5 is a schematic cross-sectional structure of the first coupling nut of the present invention.
Fig. 6 is a schematic view of a structure in which a first bolt is provided in a first coupling nut of the present invention.
FIG. 7 is a schematic side view of a shear wall connection assembly according to the present invention.
Fig. 8 is a schematic front view of a connection structure of a first connection board and a second connection board in the present invention.
Fig. 9 is a schematic structural view of a second coupling nut according to the present invention.
Fig. 10 is a schematic view of a structure of the second coupling nut of the present invention with a second bolt.
Fig. 11 is a schematic front view of a connection structure of a third connection plate and a support plate in the present invention.
Fig. 12 is a schematic side view of a connection structure of a third connection plate and a support plate according to the present invention.
Fig. 13 is a schematic diagram of the connection structure between the assembled prefabricated PCF outer wall panel fixing device and the prefabricated PCF outer wall panel according to the present invention.
Fig. 14 is a schematic structural view of the diagonal brace of the present invention.
Reference numerals: 1-buried plate, 2-first connecting nut, 3-first connecting hole, 4-prefabricated PCF external wall board, 5-first connecting plate, 6-second connecting plate, 7-second connecting nut, 8-shear wall to be constructed, 9-second connecting hole, 10-first bolt, 11-third connecting plate, 12-supporting plate, 13-diagonal brace, 14-third connecting hole, 15-second bolt, 16-heat insulation plate, 17-hole, 18-stiffening plate, 19-perforation, 20-first through hole, 21-second through hole, 22-third bolt.
Detailed Description
The assembled prefabricated PCF external wall panel fixing device in the embodiment is mainly used for fixing prefabricated PCF wall panels (prefabricated externally-hung wall panels) of an assembled shear wall structure and consists of three parts, namely an embedded assembly, a cast-in-situ shear wall inner connecting assembly and a cast-in-situ shear wall outer connecting assembly; the embedded assembly and the connecting assembly are formed by welding and connecting steel plates and embedded bolt pieces, and the embedded assembly, the cast-in-situ shear wall inner connecting assembly and the cast-in-situ shear wall outer connecting assembly are connected through bolts, so that the assembly and use effects are achieved, and the transportation problem of the prefabricated PCF external wall panel 4 (prefabricated external wall panel) is solved; meanwhile, the wallboard is guaranteed to be stable by adopting the bolt to be connected with the diagonal brace through the bolt, and the connecting assembly can be reused:
| pre-buried subassembly | Steel plate and embedded bolt | 1 180mmx (180 mm+80 mm) x10mm steel plate, 3M 14 bolts (made of screw steel with the diameter of 22 mm), 3 matched 14 screws and gaskets |
| Shear wall connection Assembly | Steel plate and embedded bolt | 1 block of 225mmx (130 mm+60 mm) by 14mm steel plate, 1 block of 180mmx (180 mm+80 mm) by 10mm steel plate, 2 block of 70mmx (40 mm+20 mm) by 10mm steel plate, 1M 14 bolt (32 screw steel manufacture), 1 matched 20 screw rods and gaskets |
| External connection of shear wall Assembly | Steel plate, section bar | 1 block of steel plate with 100mmx100mmx10mm, 2 block of steel plate with 80mmx60mmx10mm |
In the embodiment, after the drawing of the prefabricated PCF plate is confirmed, the research and development of the fixing device are comprehensively carried out according to the thickness of the PCF plate, the thickness of the cast-in-situ shear wall and the like, and the assembled PCF external wall plate fixing device consists of a PCF external wall plate embedded part, a cast-in-situ shear wall inner connecting part and an outer side fixing connecting part; firstly, manufacturing PCF external wall panel embedded parts, wherein the embedded parts are formed by welding 1 steel plate with the diameter of 180mmx (180 mm plus 80 mm) x10mm and 3M 14 bolts, the M14 bolts are manufactured by adopting screw steel with the diameter of 22mm, the PCF external wall panel embedded parts are embedded by component manufacturers when the PCF is manufactured, the embedded parts flush with concrete surfaces, the multilayer placement of PCF plates is effectively solved, the transportation efficiency is improved, and the finished product protection is realized, as shown in the figures 1-3: the cast-in-situ shear wall connecting piece is formed by welding 1 steel plate 225x (130 mm+60 mm) x14, 1 steel plate 180mmx (180 mm+80 mm) x10mm, 2 steel plates 70mmx (40 mm+20 mm) x10mm and 1M 14 bolt (32 screw steel), and the connecting piece is connected with the PCF external wall board embedded part and the outer side fixed connecting piece by bolts when the PCF board is hoisted on a construction site. The connecting piece is lower than the outer surface of the wall body concrete, is in bolted connection, solves the problem of cutting out after concrete pouring, and is not easy to rust. The outside fixed connection piece is formed by welding and connecting 1 steel plate with the thickness of 100mmx100mmx10mm and 2 steel plates with the thickness of 80mmx60mmx10mm, and the fixed piece is used for connecting and fixing the wallboard with the cast-in-situ shear wall connecting piece and the diagonal brace by adopting bolts when the PCF plate is hoisted on a construction site, and the fixed piece can be repeatedly recycled.
As shown in fig. 1-14, the assembled prefabricated PCF external wall panel fixing device comprises an embedded assembly, a shear wall internal connection assembly and a shear wall external connection assembly; the embedded assembly comprises an embedded plate 1 and a first connecting nut 2; a group of first connecting holes 3 are formed in the surface of the buried plate 1 at intervals; the first connecting nuts 2 are provided with a group and correspondingly connected in the first connecting holes 3 of the buried plate 1; the embedded component is embedded in the prefabricated PCF external wall panel 4; wherein, the surface of the buried plate 1 is flush with the inner side surface of the prefabricated PCF external wall panel 4;
the shear wall internal connection assembly comprises a first connecting plate 5, a second connecting plate 6 and a second connecting nut 7, wherein the second connecting plate 6 is vertically and vertically welded in the middle of the plate surface of the first connecting plate 5; the plate surface of the first connecting plate 5 is provided with a second connecting hole 9 corresponding to the position of one group of first connecting holes 3; the first connecting plate 5 is attached to the plate surface of the buried plate 1, and the shear wall inner connecting assembly is connected with the embedded assembly through a first bolt 10 penetrating through the first connecting nut 2 and the second connecting hole 9; the second connecting nut 7 is horizontally embedded in an end plate of the second connecting plate 6, and the end of the second connecting nut 7 does not exceed the inner side surface of the shear wall 8 to be constructed;
the shear wall external connection assembly comprises a third connection plate 11, a support plate 12 and an inclined strut 13; a third connecting hole 14 is formed in the plate surface of the third connecting plate 11; two support plates 12 are vertically welded on the plate surface of the third connecting plate 11 respectively; the third connecting plate 11 is attached to the end part of the second connecting nut 7, and connects the outer shear wall connecting assembly with the inner shear wall connecting assembly through a second bolt 15 penetrating through a third connecting hole 14 and the second connecting nut 7; the diagonal brace 13 is used for supporting the prefabricated PCF external wall panel 4, wherein the lower end of the diagonal brace 13 is supported on the ground, and the upper end of the diagonal brace 13 is detachably connected between the two supporting plates 12.
In this embodiment, an insulation board 16 is disposed on the inner side of the prefabricated PCF external wall board 4; the shear wall inner connecting assembly is arranged in the heat insulation plate 16, wherein the outer side surface of the first connecting plate 5 is level with the outer side surface of the heat insulation plate 16, the end part of the second connecting plate 6 exceeds the inner side surface of the heat insulation plate 16, and the distance from the end part of the second connecting plate 6 to the inner side surface of the heat insulation plate 16 is matched with the thickness of the shear wall 8 to be constructed; the heat-insulating plate 16 and the prefabricated PCF external wall plate 4 are processed and formed at one time in a factory.
In this embodiment, a hole 17 for passing through the shear member is correspondingly formed on the opposite side of the first connecting nut 2 near the end portion.
In this embodiment, the shear wall connection assembly further includes stiffening plates 18; the stiffening plates 18 are two and are respectively arranged on two sides of the second connecting plate 6, and each stiffening plate 18 is horizontally connected between the second connecting plate 6 and the first connecting plate 5.
In this embodiment, the two second connecting plates 6 are correspondingly provided with perforations 19 for passing through the shear resistant member at the positions beyond the inner side surface of the heat insulation plate 16.
In this embodiment, a first through hole 20 is formed on the plate surface of the supporting plate 12; the upper end of the diagonal brace 13 is provided with a second through hole 21 at a position corresponding to the first through hole 20; the upper ends of the diagonal braces 13 are inserted between the two support plates 12 and are connected by a third bolt 22 penetrating through the first through hole 20 and the second through hole 21.
The construction method of the assembled prefabricated PCF external wall panel fixing device comprises the following steps.
Step one, manufacturing the embedded assembly, the shear wall inner connecting assembly and the shear wall outer connecting assembly.
And step two, embedding the embedded assembly into the prefabricated PCF external wall panel 4.
And thirdly, connecting the shear wall connecting assembly on the inner side surface of the prefabricated PCF outer wall plate 4.
And step four, hoisting the structure constructed in the step three to a designed position.
And fifthly, connecting the end of the second connecting nut 7 in the shear wall connecting assembly with the shear wall outer connecting assembly, and supporting the diagonal brace 13 between the shear wall outer connecting assembly and the ground.
And step six, binding steel bars of the shear wall 8 to be constructed, supporting a template and pouring concrete.
And seventhly, dismantling the outer connecting assembly of the shear wall after the concrete reaches the design strength.
In the embodiment, processing an embedded assembly, wherein the embedded assembly is formed by welding 1 steel plate with the diameter of 180mmx (180 mm+80 mm) x10mm and 3M 14 bolts, and the M14 bolts are made of screw steel with the diameter of 22 mm; the manufacturing of the shear wall connecting assembly is as follows: the method comprises the steps of processing a shear wall connecting assembly, wherein the shear wall connecting assembly is formed by welding 1 steel plate with the diameter of 225mmx (130 mm+60 mm) and the diameter of 14mm, 1 steel plate with the diameter of 180x (180 mm+80 mm) and the diameter of 10mm, 2 steel plates with the diameter of 70mmx (40 mm+20 mm) and the diameter of 10mm, and 1M 14 bolt (manufactured by 32 screw thread steel); the manufacturing of the shear wall external connection assembly is as follows: processing a shear wall external connection assembly, wherein the shear wall external connection assembly is formed by welding and connecting 1 steel plate with the thickness of 100mmx100mmx10mm and 2 steel plates with the thickness of 80mmx60mmx10 mm; and (3) combining and connecting working conditions: checking and accepting the processing and manufacturing piece, synchronously arranging the embedded assembly of the device when the prefabricated PCF external wall panel 4 is processed and manufactured in a component factory, and adopting the bolt connection of the embedded assembly, the shear wall inner connecting assembly and the shear wall outer connecting assembly to form a whole when the device is installed on site, and fixing the embedded assembly, the shear wall inner connecting assembly and the shear wall outer connecting assembly with the diagonal brace to form the prefabricated PCF external wall panel fixing device
Of course, in other embodiments, the steel plates in the embedded assembly, the shear wall inner connecting assembly and the shear wall outer connecting assembly can be replaced by aluminum alloy plates or other materials such as iron plates provided with corrosion-resistant layers, and bolts can be of other types according to actual conditions.
In this embodiment, when the thermal insulation board 16 is disposed on the inner side of the prefabricated PCF outer wall board 4; the outer side surface of the first connecting plate 5 is flush with the outer side surface of the heat insulation plate 16, the end part of the second connecting plate 6 exceeds the inner side surface of the heat insulation plate 16, and the length of the exceeding part is adapted to the thickness of the shear wall 8 to be constructed; the heat insulation plate 16 is connected by a first bolt 10 penetrating through the first connecting plate 5 and the buried plate 1.
In this embodiment, when the prefabricated PCF external wall panel 4, the embedded component, the shear wall internal connection component and the shear wall external connection component are fabricated, the prefabricated PCF external wall panel, the embedded component, the shear wall internal connection component and the shear wall external connection component are fabricated according to the requirements of the device drawing.
Claims (6)
1. The utility model provides an assembled prefabricated PCF side fascia fixing device which characterized in that: the shear wall comprises an embedded assembly, a shear wall inner connecting assembly and a shear wall outer connecting assembly; the embedded assembly comprises an embedded plate (1) and a first connecting nut (2); a group of first connecting holes (3) are formed in the plate surface of the buried plate (1) at intervals; the first connecting nuts (2) are provided with a group of connecting holes (3) correspondingly connected in the buried plate (1); the embedded assembly is embedded in the prefabricated PCF external wall panel (4); the surface of the buried plate (1) is flush with the inner side surface of the prefabricated PCF external wall plate (4);
the shear wall internal connection assembly comprises a first connecting plate (5), a second connecting plate (6) and a second connecting nut (7), wherein the second connecting plate (6) is vertically and vertically welded in the middle of the plate surface of the first connecting plate (5); the plate surface of the first connecting plate (5) is provided with second connecting holes (9) at positions corresponding to a group of first connecting holes (3); the first connecting plate (5) is attached to the plate surface of the buried plate (1), and the shear wall inner connecting assembly is connected with the embedded assembly through a first bolt (10) penetrating through the first connecting nut (2) and the second connecting hole (9); the second connecting nut (7) is horizontally embedded in an end plate of the second connecting plate (6), and the end of the second connecting nut (7) does not exceed the inner side surface of the shear wall (8) to be constructed;
the shear wall external connection assembly comprises a third connection plate (11), a support plate (12) and an inclined stay bar (13); a third connecting hole (14) is formed in the plate surface of the third connecting plate (11); two support plates (12) are vertically welded on the plate surface of the third connecting plate (11) respectively; the third connecting plate (11) is attached to the end part of the second connecting nut (7), and the shear wall outer connecting assembly and the shear wall inner connecting assembly are connected through a second bolt (15) penetrating through the third connecting hole (14) and the second connecting nut (7); the inclined stay bar (13) is used for supporting the prefabricated PCF external wall panel (4), wherein the lower end of the inclined stay bar (13) is supported on the ground, and the upper end of the inclined stay bar (13) is detachably connected between the two supporting plates (12); an insulation board (16) is arranged on the inner side of the prefabricated PCF outer wall board (4); the shear wall inner connecting assembly is arranged in the heat insulation plate (16), wherein the outer side face of the first connecting plate (5) is flush with the outer side face of the heat insulation plate (16), the end part of the second connecting plate (6) exceeds the inner side face of the heat insulation plate (16), and the distance from the end part of the second connecting plate (6) to the inner side face of the heat insulation plate (16) is matched with the thickness of the shear wall (8) to be constructed; the heat-insulating plate (16) and the prefabricated PCF external wall panel (4) are processed and formed in one step in a factory;
the opposite side of the first connecting nut (2) and the position close to the end part are correspondingly provided with holes (17) for penetrating through the shear resistant piece.
2. The assembled prefabricated PCF side fascia retainer of claim 1, wherein: the shear wall connection assembly further comprises stiffening plates (18); the stiffening plates (18) are arranged on two sides of the second connecting plate (6) respectively, and each stiffening plate (18) is horizontally connected between the second connecting plate (6) and the first connecting plate (5).
3. The assembled prefabricated PCF side fascia retainer of claim 1, wherein: the parts of the two second connecting plates (6) which exceed the inner side surfaces of the heat preservation plates (16) are correspondingly provided with perforations (19) for penetrating through the shearing resistant parts.
4. The assembled prefabricated PCF side fascia retainer of claim 1, wherein: a first through hole (20) is formed in the plate surface of the supporting plate (12); the upper end of the inclined strut (13) is provided with a second through hole (21) corresponding to the first through hole (20); the upper ends of the diagonal braces (13) are inserted between the two support plates (12) and are connected through third bolts (22) penetrating through the first through holes (20) and the second through holes (21).
5. A method of constructing an assembled prefabricated PCF side fascia retainer of any one of claims 1-4, comprising the steps of:
firstly, manufacturing a pre-buried assembly, a shear wall inner connecting assembly and a shear wall outer connecting assembly;
embedding the embedded assembly into a prefabricated PCF external wall panel (4);
step three, connecting a shear wall inner connecting assembly on the inner side surface of the prefabricated PCF outer wall plate (4);
hoisting the structure constructed in the third step to a designed position;
fifthly, connecting the end part of a second connecting nut (7) in the shear wall inner connecting assembly with the shear wall outer connecting assembly, and supporting an inclined stay bar (13) between the shear wall outer connecting assembly and the ground;
step six, binding steel bars of the shear wall (8) to be constructed, supporting a template and pouring concrete;
and seventhly, dismantling the outer connecting assembly of the shear wall after the concrete reaches the design strength.
6. The method for constructing the assembled prefabricated PCF outside wall panel fixing device according to claim 5, wherein: when the inner side of the prefabricated PCF outer wall plate (4) is provided with an insulation board (16); the outer side surface of the first connecting plate (5) is flush with the outer side surface of the heat insulation plate (16), the end part of the second connecting plate (6) exceeds the inner side surface of the heat insulation plate (16), and the length of the exceeding part is matched with the thickness of the shear wall (8) to be constructed; the heat insulation board (16) is connected through a first bolt (10) penetrating through the first connecting board (5) and the buried board (1).
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