CN110593304B - Assembled double-skin wall structure and system and construction method thereof - Google Patents
Assembled double-skin wall structure and system and construction method thereof Download PDFInfo
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- CN110593304B CN110593304B CN201910812110.0A CN201910812110A CN110593304B CN 110593304 B CN110593304 B CN 110593304B CN 201910812110 A CN201910812110 A CN 201910812110A CN 110593304 B CN110593304 B CN 110593304B
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- 238000010276 construction Methods 0.000 title abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 115
- 239000010959 steel Substances 0.000 claims abstract description 115
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 239000004567 concrete Substances 0.000 claims description 15
- 239000011150 reinforced concrete Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000011900 installation process Methods 0.000 abstract description 3
- 239000011178 precast concrete Substances 0.000 description 7
- 125000006850 spacer group Chemical group 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0283—Retaining or protecting walls characterised by constructional features of mixed type
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
-
- 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
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
- E04H7/18—Containers for fluids or gases; Supports therefor mainly of concrete, e.g. reinforced concrete, or other stone-like material
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
An assembled double-skin wall structure and a system and a construction method thereof, wherein the assembled double-skin wall structure comprises a profile steel truss, a left wallboard and a right wallboard; the profile steel trusses are arranged in a group at intervals in parallel along the longitudinal direction; the steel bar truss in the left wallboard exceeds the inner side surface of the left wallboard and is hung on the left side surface of the steel bar truss through a first hanging piece; the left wallboard surface is provided with first bolt holes at intervals vertically at positions corresponding to each section steel truss, and the left wallboard surface is fixedly connected with the section steel trusses through a first connecting assembly; the steel bar truss in the right wallboard exceeds the inner side surface of the right wallboard and is hung on the right side surface of the steel truss through a second hanging piece; and second bolt holes are vertically arranged on the plate surface of the right wallboard at positions corresponding to each section steel truss at intervals, and the second bolt holes are fixedly connected with the section steel trusses through second connecting assemblies. The invention solves the technical problems that the traditional double-skin wall structure is long in production process, easy to crack and damage in the production and installation processes and difficult to install.
Description
Technical Field
The invention belongs to the field of constructional engineering, and in particular relates to an assembled double-skin wall structure and system and a construction method thereof.
Background
The traditional precast concrete double-skin wallboard is characterized in that precast concrete plates on two sides are connected into a whole through a steel bar truss, one side of concrete plate needs to be poured firstly in the production process of a component, after the side of concrete is cured and demolded, a semi-finished product double-skin wall is turned 180 degrees through special equipment, then the other side of concrete plate is poured, and after the concrete of the component reaches the specified strength, the component is horizontally transported to a construction site. In the installation process, the traditional precast concrete double-skin wall is required to be turned over and lifted, then a constructor assists in lowering the wallboard to a specified position, then elevation and verticality of the wall are adjusted through sizing blocks and inclined supports, and wallboard installation work is completed after installation errors reach relevant standard requirements.
In terms of production, the production of the traditional precast concrete double-skin wall requires twice pouring, twice maintenance, twice demolding and one-time overturning operation by adopting special equipment, has complex process, has higher requirements on the management level, technical capability and production equipment of components, and greatly limits the popularization and application of the double-skin wall; the maximum thickness of the traditional precast concrete double-skin wall is generally not more than 250mm, and the precast concrete double-skin wall has larger limitation in the aspects of retaining walls, large-scale pool walls and the like due to the manufacturing process of the steel bar trusses. In the aspect of construction, the steel bar truss is weaker than the precast concrete slab in a drawknot manner, and the explosion mode is easy to occur when concrete between precast slabs is poured.
Disclosure of Invention
The invention aims to provide an assembled double-skin wall structure and a system and a construction method thereof, which aim to solve the technical problems that the traditional double-skin wall structure is complex in production process, high in production equipment requirement and easy to cause die explosion in the construction process.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
An assembled double-skin wall structure comprises a profile steel truss, a left wallboard and a right wallboard; the profile steel trusses are arranged in a group at intervals in parallel along the longitudinal direction; wherein each section steel truss is vertically arranged; the left wallboard is of a reinforced concrete structure; wherein, the steel bar truss in the left wallboard exceeds the inner side surface of the left wallboard; the left wallboard is hung on the left side surface of the group of steel trusses through a first hanging piece; a first bolt hole is vertically arranged on the plate surface of the left wallboard at a position corresponding to each section steel truss at intervals, and the left wallboard is fixedly connected with the section steel truss through a first connecting assembly penetrating through the first bolt hole; the right wallboard is of a reinforced concrete structure; wherein, the steel bar truss in the right wallboard exceeds the inner side surface of the right wallboard; the right wallboard is hung on the right side surface of the group of steel trusses through a second hanging piece; and second bolt holes are vertically arranged on the plate surface of the right wallboard at intervals corresponding to the positions of each section steel truss, and the right wallboard is fixedly connected with the section steel trusses through second connecting assemblies penetrating through the second bolt holes.
Preferably, the section steel truss comprises a left chord member, a right chord member, a horizontal web member and a diagonal web member; the left chord member and the right chord member are arranged at intervals in parallel along the transverse direction; the horizontal web members are provided with a group and are connected between the left chord member and the right chord member at intervals in a vertical direction; the inclined web member is obliquely connected in a sash formed by the left chord member, the right chord member and the horizontal web member.
Preferably, a group of first threaded sleeves are arranged on the left chord member at intervals along the vertical direction; the first threaded sleeve is arranged corresponding to the first bolt hole; the first connecting assembly comprises a first connecting screw rod and a first nut; the first connecting screw rod penetrates through the first bolt hole, and one end of the first connecting screw rod is in threaded connection with the first threaded sleeve; the first nut is connected to the other end of the first connecting screw rod and is pressed and connected to the left wallboard; a first gasket is arranged between the first nut and the left wallboard in a cushioning mode.
Preferably, a group of second threaded sleeves are arranged on the right chord member at intervals along the vertical direction; the second threaded sleeve is arranged corresponding to the second bolt hole; the second connecting assembly comprises a second connecting screw rod and a second nut; the second connecting screw rod penetrates through the second bolt hole, and one end of the second connecting screw rod is connected with the second threaded sleeve; the second nut is connected to the other end of the second connecting screw rod and is pressed on the right wallboard; a second gasket is arranged between the second nut and the right wallboard.
A system with an assembled double-skin wall structure comprises a raft, structural columns arranged on the raft and a wall body connected between adjacent structural columns; the wall body comprises a group of assembled double-skin wall structures and wall body concrete poured between a left wall plate and a right wall plate of the group of assembled double-skin wall structures; the assembled double-skin wall structures are spliced and connected, and reinforcing steel mesh pieces are arranged in the cavities between the left wallboard and the right wallboard at the connecting positions of the adjacent assembled double-skin wall structures; two reinforcing mesh sheets are arranged at each connecting position and are respectively close to the left wallboard and the right wallboard; the raft board is provided with embedded parts at positions corresponding to the outer side edge of the left wallboard and the outer side edge of the right wallboard respectively; the embedded part fixedly connects the profile steel truss with the raft; vertical connecting ribs are buried in the hollow cavity between the left wallboard and the right wallboard on the raft; the two groups of vertical connecting ribs are respectively arranged at two sides of the longitudinal axis of the wall body; wherein, each group of vertical connecting ribs are arranged at intervals along the longitudinal axis direction of the wall body; the fixing components are arranged on the structural column and correspond to the outer side surface of the left wallboard and the outer side surface of the right wallboard; the left wallboard and the right wallboard are respectively fixedly connected with the structural column by the fixing assembly; a horizontal connecting rib is buried in a cavity between the left wallboard and the right wallboard on the structural column; the two groups of horizontal connecting ribs are respectively arranged at two sides of a vertical shaft of the wall body; wherein, every group of horizontal connecting bars are arranged along the vertical interval.
Preferably, adjacent assembled double-skin wall structures are connected through a third connecting plate and a fourth connecting plate; the third connecting plates are arranged between the tops of the adjacent left wallboards and between the tops of the adjacent right wallboards and are fixed with the wallboards through third bolts; the fourth connecting plate is arranged between the outer side faces of the adjacent left wallboards and between the outer side faces of the adjacent right wallboards, and is fixed with the wallboards through fourth bolts.
Preferably, the fixing assembly comprises a second connecting plate and a second bolt; the second connecting plate is L-shaped or in a straight shape; and the second connecting plate is respectively connected with the structural column and the wall body by the second bolt.
Preferably, the embedded part is J-shaped; the lower end of the embedded part is embedded in the raft, and the upper end of the embedded part is connected with the profile steel truss; and a grouting layer is filled between the bottom of the profile steel truss and the raft.
The construction method of the system comprises the following steps.
Embedding embedded parts and vertical connecting ribs at positions on the raft corresponding to the designed wall body.
And secondly, vertically arranging connecting holes at intervals on the structural columns at positions corresponding to the left side surface and the right side surface of the designed wall body.
Hoisting the profile steel truss into position: and adjusting the verticality of the profile steel truss by adjusting the embedded part.
And fourthly, grouting the bottom of the fixed profile steel truss.
And fifthly, sequentially hoisting the wallboards on one side of the profile steel truss to a design position, hanging the wallboards on the profile steel truss through hanging pieces, connecting the wallboards on the edge-most part of the side with a structural column through a fixing assembly, and temporarily fixing adjacent wallboards on the side through a third connecting plate and a fourth connecting plate.
Step six, sequentially hoisting wallboards on the other side of the profile steel truss to a design position, hanging the wallboards on the profile steel truss through hanging pieces, connecting the wallboards on the edge-most part of the side with a structural column through a fixing assembly, and temporarily fixing adjacent wallboards on the side through a third connecting plate and a fourth connecting plate.
And seventhly, installing a first connecting assembly and a second connecting assembly to respectively tie the wallboards on the left side and the right side with the profile steel truss.
And step eight, arranging reinforcing steel meshes between adjacent assembled double-skin wall structures.
And step nine, finally, pouring concrete to connect the left and right wallboards into a whole.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. When the assembled double-skin wall structure is constructed on site, the steel girders are firstly installed in place, the steel girders are independently installed, so that enough operation space is reserved on a construction site, the precast reinforced concrete plates on two sides are installed, and finally the precast reinforced concrete plates are connected with the steel girders through the hanging pieces and the connecting components, so that the production process of precast members is simplified, the problem that the traditional precast reinforced concrete plates and the steel girders collide with the vertical steel bars extending out of the bottom in the installation process is thoroughly avoided, and the construction efficiency is greatly improved.
2. In the assembled double-skin wall structure, the precast reinforced concrete slab and the profile steel truss are produced separately, the production procedures of the components are fully considered and optimized, and the overturning process of the traditional double-skin wall plate is avoided; in the transportation process, the precast reinforced concrete slab and the profile steel truss are selected to be horizontally placed, the height of the single-piece member is greatly reduced compared with that of the traditional double-skin wall, the number of single-car transportation members is greatly increased, the overall transportation times are reduced, and the transportation cost is saved; in the construction process, the convenience of the construction process is considered, the steel truss is firstly installed in place by using a small crane, then the precast reinforced concrete plates on two sides are hung with the steel truss by using a large crane or a tower crane, the precast reinforced concrete plates are positioned, finally, the connecting assembly is fixed with the steel truss, the connecting mode is simple, the utilization rate of the large crane or the tower crane is high, and the construction cost is reduced.
3. The prefabricated reinforced concrete plates on the two sides of the double-skin wallboard are prefabricated laminated slabs, truss steel bars are arranged in the slabs, and steel bar meshes are required to be arranged at the joints between the adjacent double-skin wallboards; in addition, the concrete in the double-skin wall structure is continuously poured, no construction joint exists, and the waterproof problem of the wall is solved.
4. The thickness range of the assembled double-skin wall structure is 250-2000mm, and the height range is 1-15 m; therefore, the assembled double-skin wall structure has large thickness, more internal steel bars and strong capability of resisting lateral pressure of concrete; and the application range of the prefabricated double-skin wall is widened, so that the prefabricated double-skin wall can be used for the basement retaining wall, the water pool and other parts of large-scale industry and public buildings, and can also be used for the large-scale prefabricated pipe gallery and other buildings.
5. The traditional steel bar truss double-skin wall production needs special overturning equipment and needs twice steam curing, time and labor are wasted, and at present, manufacturers with production conditions in China are few.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic view of an assembled double skin wall structure of the present invention mounted on a raft.
Fig. 2 is a schematic structural view of the medium-sized steel truss of the present invention.
Fig. 3 is a schematic structural view of the connection of the right wallboard and the steel truss in the invention.
Fig. 4 is a schematic structural view of the connection of the left wallboard and the steel truss in the invention.
Fig. 5 is a schematic structural view of the left wall panel according to the present invention.
Fig. 6 is a schematic structural view of the right wall panel of the present invention.
Fig. 7 is a schematic view of the top connection structure of the adjacent right wall panels of the present invention.
Fig. 8 is a schematic view of the outer side connection structure of adjacent left wall panels in the present invention.
Fig. 9 is a schematic view of a connection structure of the left and right wall boards after wall concrete is poured therebetween in the present invention.
Fig. 10 is a schematic diagram of a connection structure between an assembled double skin wall structure and a structural column according to the present invention.
Fig. 11 is a schematic view of a connection node structure of a medium-sized steel truss and raft according to the present invention.
Fig. 12 is a schematic front view of a system of the present invention comprising an assembled double skin wall structure.
Reference numerals: 1-section steel truss, 1.1-left chord, 1.2-right chord, 1.3-horizontal web, 1.4-diagonal web, 2-left wall panel, 2.1-left wall panel steel truss, 3-right wall panel, 3.1-right wall panel steel truss, 4-first hanger, 4.1-first upper hanger unit, 4.2-first lower hanger unit, 4.3-first hanger support, 5-first bolt hole, 6-first connection assembly, 6.1-first connection screw, 6.2-first nut, 6.3-first spacer, 7-second hanger, 7.1-second upper hanger unit, 7.2-second lower hanger unit, 7.3-second hanger support, 8-second bolt hole, 9-second connection assembly, 9.1-second connection screw, 9.2-second nut, 9.3-second spacer, 10-first threaded sleeve, 11-second threaded sleeve, 12-plate, 13-second spacer, 14-second spacer, 15-second connector, 17-second connector, 3-second connector, 9.3-second spacer, 10-first threaded sleeve, 11-second connector, 12-second connector, 13-second connector, and third bolt assembly.
Detailed Description
As shown in fig. 1-12, the assembled double-skin wall structure comprises a profile steel truss 1, a left wallboard 2 and a right wallboard 3; the profile steel trusses 1 are arranged in a group at intervals in parallel along the longitudinal direction; wherein each section steel truss 1 is vertically arranged; the left wallboard 2 is of a reinforced concrete structure; wherein, the steel bar truss in the left wallboard 2 exceeds the inner side surface of the left wallboard 2; the left wallboard 2 is hung on the left side surface of the group of steel trusses 1 through a first hanging piece 4; a first bolt hole 5 is vertically arranged on the plate surface of the left wallboard 2 at a position corresponding to each section steel truss 1 at intervals, and the left wallboard 2 is fixedly connected with the section steel trusses 1 through a first connecting component 6 penetrating through the first bolt hole 5; the right wallboard 3 is of a reinforced concrete structure; wherein, the steel bar truss in the right wallboard 3 exceeds the inner side surface of the right wallboard 3; the right wallboard 3 is hung on the right side surface of the group of steel trusses 1 through a second hanging piece 7; the second bolt holes 8 are vertically arranged on the plate surface of the right wallboard 3 at intervals corresponding to the positions of each section steel truss 1, and the right wallboard 3 is fixedly connected with the section steel trusses 1 through second connecting assemblies 9 penetrating through the second bolt holes 8.
In this embodiment, the left wall board 2 is a fabricated laminated board, and a left wall board steel bar truss 2.1 is disposed in the left wall board 2; the right wallboard 3 is a laminated plate, and a right wallboard steel bar truss 3.1 is arranged in the right wallboard 3.
In this embodiment, the profile steel truss 1 includes a left chord member 1.1, a right chord member 1.2, a horizontal web member 1.3, and a diagonal web member 1.4; the left chord member 1.1 and the right chord member 1.2 are arranged at intervals in parallel along the transverse direction; the horizontal web members 1.3 are provided with a group and are connected between the left chord member 1.1 and the right chord member 1.2 at intervals along the vertical direction in parallel; the diagonal web member 1.4 is obliquely connected in a sash formed by the left chord member 1.1, the right chord member 1.2 and the horizontal web member 1.3.
In this embodiment, a group of first threaded sleeves 10 are vertically arranged on the left chord member 1.1 at intervals; the first threaded sleeve 10 is arranged corresponding to the first bolt hole 5; the first connecting component 6 comprises a first connecting screw rod 6.1 and a first nut 6.2; the first connecting screw rod 6.1 penetrates through the first bolt hole 5, and one end of the first connecting screw rod 6.1 is in threaded connection with the first threaded sleeve 10; the first nut 6.2 is connected to the other end of the first connecting screw rod 6.1 and is pressed and connected to the left wallboard 2; a first spacer 6.3 is arranged between the first nut 6.2 and the left wall plate 2.
In this embodiment, a group of second threaded sleeves 11 are vertically arranged on the right chord member 1.2 at intervals; the second threaded sleeve 11 is arranged corresponding to the second bolt hole 8; the second connecting component 9 comprises a second connecting screw rod 9.1 and a second nut 9.2; the second connecting screw rod 9.1 penetrates through the second bolt hole 8, and one end of the second connecting screw rod 9.1 is connected with the second threaded sleeve 11; the second nut 9.2 is connected to the other end of the second connecting screw 9.1 and is pressed and connected to the right wallboard 3; a second gasket 9.3 is arranged between the second nut 9.2 and the right wall plate 3.
In this embodiment, this kind of assembled double skin wall structure includes the prefabricated reinforced concrete slab of both sides and middle shaped steel truss 1, according to the design, the wallboard and the shaped steel truss 1 of wall body both sides are split into three independent cell bodies, connect through reliable mode, in the in-process of installing and taking one's place, install the shaped steel truss 1 to appointed position earlier, again install the prefabricated wallboard of both sides in place, at last carry out the drawknot respectively with the wallboard of both sides and shaped steel truss 1 through first coupling assembling 6, make shaped steel truss 1 and wallboard of both sides form a atress whole, pour concrete between the wallboard of both sides at last, form the structure wall body, and make up into overall structure with the structural component around.
In the embodiment, the thickness range of the assembled double-skin wall structure is 250-2000mm, and the height range is 1-15 m, so that the application range of the prefabricated double-skin wall is expanded, and the assembled double-skin wall structure can be used for building such as basement retaining walls, pools and the like of large-scale industry and public buildings and also can be used for building such as large-scale prefabricated pipe galleries and the like.
The system with the assembled double-skin wall structure comprises raft plates 12, structural columns 13 arranged on the raft plates 12 and walls connected between the adjacent structural columns 13; the wall comprises a group of assembled double-skin wall structures and wall concrete 14 poured between a left wall plate 2 and a right wall plate 3 of the group of assembled double-skin wall structures; the assembled double-skin wall structures are spliced and connected, and a reinforcing steel mesh 15 is arranged in a cavity between the left wallboard 2 and the right wallboard 3 at the connecting position of the adjacent assembled double-skin wall structures; two reinforcing mesh pieces 15 are arranged at each connecting position, and the two reinforcing mesh pieces 15 are respectively arranged close to the left wallboard 2 and the right wallboard 3; the raft 12 is provided with embedded parts 16 at positions corresponding to the outer side edge of the left wallboard 2 and the outer side edge of the right wallboard 3; the embedded parts 16 fixedly connect the profile steel truss 1 with the raft 12; vertical connecting ribs 17 are buried in the hollow cavity between the left wallboard 2 and the right wallboard 3 on the raft 12; the two groups of vertical connecting ribs 17 are respectively arranged at two sides of the longitudinal axis of the wall body; wherein, each group of vertical connecting ribs 17 are arranged at intervals along the longitudinal axis direction of the wall body; a fixing component 18 is arranged on the structural column 13 and corresponds to the outer side surface of the left wallboard 2 and the outer side surface of the right wallboard 3; the left wallboard 2 and the right wallboard 3 are respectively fixedly connected with the structural column 13 by the fixing component 18; a horizontal connecting rib 19 is buried in a cavity between the left wallboard 2 and the right wallboard 3 on the structural column 13; the two groups of horizontal connecting ribs 19 are respectively arranged at two sides of a vertical shaft of the wall body; wherein each set of horizontal connecting bars 19 is arranged along the vertical interval.
In this embodiment, the adjacent assembled double-skin wall structures are connected through a third connecting plate 20 and a fourth connecting plate 21; the third connecting plates 20 are arranged between the tops of the adjacent left wall plates 2 and between the tops of the adjacent right wall plates 3, and are fixed with the wall plates by third bolts 22; the fourth connecting plate 21 is arranged between the outer side surfaces of the adjacent left wall plates 2 and the outer side surfaces of the adjacent right wall plates 3, and is fixed with the wall plates through fourth bolts 23.
In this embodiment, the fixing assembly 18 includes a second connecting plate 18.1 and a second bolt 18.2; the second connecting plate 18.1 is L-shaped or in a straight shape; the second bolts 18.2 connect the second connecting plate 18.1 to the structural column 13 and the wall, respectively.
In this embodiment, the buried member 16 has a J shape; the lower end of the embedded part 16 is embedded in the raft 12, and the upper end of the embedded part 16 is connected with the profile steel truss 1; a bottom plate is arranged at the bottom of the profile steel truss 1, a hole is formed in the bottom plate at a position corresponding to the embedded part 16, the upper end of the embedded part 16 passes through the hole and is fixed by a fixing nut arranged at the upper end of the embedded part 16; leveling nuts are further arranged on the embedded part 16 and positioned at the bottom of the bottom plate and used for leveling the profile steel truss 1; a grouting layer 24 is filled between the bottom of the section steel truss 1 and the raft 12.
The construction method of the system containing the assembled double-skin wall structure comprises the following steps.
First, embedded parts 16 and vertical connecting ribs 17 are embedded on the raft 12 at positions corresponding to the designed wall.
And secondly, vertically arranging connecting holes at intervals on the structural columns 13 at positions corresponding to the left side surface and the right side surface of the designed wall body.
Hoisting the profile steel truss 1 into position: the verticality of the profile steel truss 1 is adjusted by adjusting the embedded parts 16.
And fourthly, grouting the bottom of the fixed profile steel truss 1.
And fifthly, sequentially hoisting the wallboards on one side of the profile steel truss 1 to the design position, hanging the wallboards on the profile steel truss 1 through hanging pieces, connecting the wallboards on the edge-most part of the side with the structural columns 13 through the fixing assemblies 18, and temporarily fixing adjacent wallboards on the side through the third connecting plate 20 and the fourth connecting plate 21.
And step six, sequentially hoisting the wallboards on the other side of the profile steel truss 1 to the design position, hanging the wallboards on the profile steel truss 1 through hanging pieces, connecting the wallboards on the edge-most part of the side with the structural columns 13 through the fixing assemblies 18, and temporarily fixing the adjacent wallboards on the side through the third connecting plate 20 and the fourth connecting plate 21.
And seventhly, installing the first connecting component 6 and the second connecting component 9 to respectively tie the wallboards on the left side and the right side with the profile steel truss 1.
And step eight, arranging a reinforcing mesh 15 between the adjacent assembled double-skin wall structures.
And step nine, finally, pouring concrete to connect the left and right wallboards into a whole.
In this embodiment, the first hanger 4 includes a first upper hanger unit 4.1, a first lower hanger unit 4.2, and a first hanger support 4.3 disposed at the top of the first upper hanger unit 4.1 and at the bottom of the first lower hanger unit 4.2; the section of the first upper hanging part unit 4.1 is in a horizontal L shape and is connected with the inner side surface of the right wallboard 3; the section of the first lower hanging piece unit 4.2 is in an inverted L shape and is connected to the profile steel truss 1; the first upper pendant unit 4.1 is hung on the first lower pendant unit 4.2.
In this embodiment, the second hanger 7 includes a second upper hanger unit 7.1, a second lower hanger unit 7.2, and a second hanger support 7.3 disposed at the top of the second upper hanger unit 7.1 and at the bottom of the second lower hanger unit 7.2; the section of the second upper hanging part unit 7.1 is in a horizontal L shape and is connected with the inner side surface of the right wallboard 3; the section of the second lower pendant unit 7.2 is in an inverted L shape and is connected to the profile steel truss 1; the second upper pendant unit 7.1 is hung on the second lower pendant unit 7.2.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate the present invention, not to limit the scope of the present invention, and all applications that come from simple variations of the present invention fall within the scope of the present invention.
Claims (6)
1. An assembled double skin wall structure, its characterized in that: comprises a profile steel truss (1), a left wallboard (2) and a right wallboard (3); the profile steel trusses (1) are arranged in a group at intervals in parallel along the longitudinal direction; wherein each section steel truss (1) is vertically arranged; the left wallboard (2) is of a reinforced concrete structure; wherein, the steel bar truss in the left wallboard (2) exceeds the inner side surface of the left wallboard (2); the left wallboard (2) is hung on the left side surface of the group of steel trusses (1) through a first hanging piece (4); the first hanging piece (4) comprises a first upper hanging piece unit (4.1), a first lower hanging piece unit (4.2) and a first hanging piece support (4.3) arranged at the top of the first upper hanging piece unit (4.1) and the bottom of the first lower hanging piece unit (4.2); the section of the first upper hanging part unit (4.1) is in a horizontal L shape and is connected with the inner side surface of the right wall plate (3); the section of the first lower pendant unit (4.2) is in an inverted L shape and is connected to the profile steel truss (1); the first upper hanging part unit (4.1) is hung on the first lower hanging part unit (4.2); a first bolt hole (5) is vertically arranged on the plate surface of the left wallboard (2) at a position corresponding to each section steel truss (1) at intervals, and the left wallboard (2) is fixedly connected with the section steel trusses (1) through a first connecting component (6) penetrating through the first bolt hole (5); the right wallboard (3) is of a reinforced concrete structure; wherein, the steel bar truss in the right wallboard (3) exceeds the inner side surface of the right wallboard (3); the right wallboard (3) is hung on the right side surface of the group of steel trusses (1) through a second hanging piece (7); a second bolt hole (8) is vertically arranged on the plate surface of the right wallboard (3) at a position corresponding to each section steel truss (1) at intervals, and the right wallboard (3) is fixedly connected with the section steel trusses (1) through a second connecting assembly (9) penetrating through the second bolt hole (8);
the profile steel truss (1) comprises a left chord member (1.1), a right chord member (1.2), a horizontal web member (1.3) and a diagonal web member (1.4); the left chord member (1.1) and the right chord member (1.2) are arranged at intervals in parallel along the transverse direction; the horizontal web members (1.3) are provided with a group and are connected between the left chord member (1.1) and the right chord member (1.2) at intervals in a vertical and parallel manner; the inclined web member (1.4) is obliquely connected in a sash formed by enclosing the left chord member (1.1), the right chord member (1.2) and the horizontal web member (1.3);
a group of first threaded sleeves (10) are vertically arranged on the left chord member (1.1) at intervals; the first threaded sleeve (10) is arranged corresponding to the first bolt hole (5); the first connecting component (6) comprises a first connecting screw rod (6.1) and a first nut (6.2); the first connecting screw rod (6.1) penetrates through the first bolt hole (5), and one end of the first connecting screw rod (6.1) is in threaded connection with the first threaded sleeve (10); the first nut (6.2) is connected to the other end of the first connecting screw (6.1) and is pressed and connected to the left wallboard (2); a first gasket (6.3) is arranged between the first nut (6.2) and the left wallboard (2);
a group of second threaded sleeves (11) are vertically arranged on the right chord member (1.2) at intervals; the second threaded sleeve (11) is arranged corresponding to the second bolt hole (8); the second connecting component (9) comprises a second connecting screw rod (9.1) and a second nut (9.2); the second connecting screw rod (9.1) penetrates through the second bolt hole (8), and one end of the second connecting screw rod (9.1) is connected with the second threaded sleeve (11); the second nut (9.2) is connected to the other end of the second connecting screw (9.1) and is pressed and connected to the right wallboard (3); a second gasket (9.3) is arranged between the second nut (9.2) and the right wallboard (3).
2. A system comprising the fabricated double skin wall structure of claim 1, comprising raft (12), structural columns (13) disposed on the raft (12), and walls connected between adjacent structural columns (13); the method is characterized in that: the wall body comprises a group of assembled double-skin wall structures and wall body concrete (14) poured between a left wall plate (2) and a right wall plate (3) of the group of assembled double-skin wall structures; the assembled double-skin wall structures are spliced and connected, and reinforcing steel mesh pieces (15) are arranged in the cavities between the left wallboard (2) and the right wallboard (3) at the connecting positions of the adjacent assembled double-skin wall structures; two reinforcing steel bar meshes (15) are arranged at each connecting position, and the two reinforcing steel bar meshes (15) are respectively close to the left wallboard (2) and the right wallboard (3); the raft (12) is provided with embedded parts (16) at positions corresponding to the outer side edge of the left wallboard (2) and the outer side edge of the right wallboard (3); the embedded part (16) fixedly connects the profile steel truss (1) with the raft (12); vertical connecting ribs (17) are buried in the hollow cavity between the left wallboard (2) and the right wallboard (3) on the raft (12); the vertical connecting ribs (17) are arranged on two groups and are respectively arranged on two sides of the longitudinal axis of the wall body; wherein, each group of vertical connecting ribs (17) are arranged at intervals along the longitudinal axis direction of the wall body; a fixing component (18) is arranged on the structural column (13) and corresponds to the outer side surface of the left wallboard (2) and the outer side surface of the right wallboard (3); the left wallboard (2) and the right wallboard (3) are respectively and fixedly connected with the structural column (13) by the fixing assembly (18); a horizontal connecting rib (19) is buried in a cavity between the left wallboard (2) and the right wallboard (3) on the structural column (13); the two groups of horizontal connecting ribs (19) are respectively arranged at two sides of a vertical shaft of the wall body; wherein each group of horizontal connecting ribs (19) is arranged along the vertical interval.
3. The system according to claim 2, characterized in that: the adjacent assembled double-skin wall structures are connected through a third connecting plate (20) and a fourth connecting plate (21); the third connecting plates (20) are arranged between the tops of the adjacent left wallboards (2) and between the tops of the adjacent right wallboards (3) and are fixed with the wallboards through third bolts (22); the fourth connecting plates (21) are arranged between the outer side surfaces of the adjacent left wallboards (2) and between the outer side surfaces of the adjacent right wallboards (3) and are fixed with the wallboards through fourth bolts (23).
4. A system according to claim 3, characterized in that: the fixing assembly (18) comprises a second connecting plate (18.1) and a second bolt (18.2); the second connecting plate (18.1) is L-shaped or in a straight shape; the second bolt (18.2) connects the second connecting plate (18.1) with the structural column (13) and the wall respectively.
5. A system according to claim 3, characterized in that: the embedded part (16) is J-shaped; the lower end of the embedded part (16) is embedded in the raft (12), and the upper end of the embedded part (16) is connected with the profile steel truss (1); and a grouting layer (24) is filled between the bottom of the profile steel truss (1) and the raft (12).
6. A method of constructing a system as claimed in any one of claims 3 to 5, comprising the steps of:
firstly, embedding embedded parts (16) and vertical connecting ribs (17) on raft plates (12) at positions corresponding to the designed wall bodies;
step two, connecting holes are formed in the structural columns (13) at positions corresponding to the left side surface and the right side surface of the designed wall body at intervals along the vertical direction;
hoisting the profile steel truss (1) into position: the perpendicularity of the steel truss (1) is adjusted through the adjusting embedded part (16);
fourthly, grouting the bottom of the fixed profile steel truss (1);
sequentially hoisting wallboards on one side of the profile steel truss (1) to a design position, hanging the wallboards on the most edge of the side on the profile steel truss (1) through hanging pieces, connecting the wallboards with the structural columns (13) through fixing assemblies (18), and temporarily fixing adjacent wallboards on the side through a third connecting plate (20) and a fourth connecting plate (21);
sequentially hoisting wallboards on the other side of the profile steel truss (1) to a design position, hanging the wallboards on the most edge of the side on the profile steel truss (1) through hanging pieces, connecting the wallboards with the structural columns (13) through fixing assemblies (18), and temporarily fixing adjacent wallboards on the side through a third connecting plate (20) and a fourth connecting plate (21);
step seven, installing a first connecting component (6) and a second connecting component (9) to respectively tie the wallboards on the left side and the right side with the profile steel truss (1);
step eight, arranging reinforcing steel meshes (15) between adjacent assembled double-skin wall structures;
and step nine, finally, pouring concrete to connect the left and right wallboards into a whole.
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