CN109235648B - Steel grating plate building structure and construction method thereof - Google Patents
Steel grating plate building structure and construction method thereof Download PDFInfo
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- CN109235648B CN109235648B CN201811197299.9A CN201811197299A CN109235648B CN 109235648 B CN109235648 B CN 109235648B CN 201811197299 A CN201811197299 A CN 201811197299A CN 109235648 B CN109235648 B CN 109235648B
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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
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
- E04B1/3408—Extraordinarily-supported small buildings
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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
- E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
- E04B1/164—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with vertical and horizontal slabs, only the horizontal slabs being partially cast in situ
Abstract
The invention aims to provide a steel grating plate building structure and a construction method thereof, wherein the steel grating plate building structure comprises a foundation structure formed by surrounding four walls; the four walls are hung and stacked to form a multi-layer grid; each floor of the grid is provided with two steel grid plates for defining each floor internal space forming the steel grid plate building structure; the two adjacent layers of grids are longitudinally and transversely staggered and stacked, and the end parts of the two steel grid plates of the upper layer of grids are vertically overlapped with the end parts of the two steel grid plates of the lower layer of grids; defining two steel grid plates positioned at the bottommost layer in the multi-layer grid as a grid bottom layer, two steel grid plates positioned at the topmost layer as a grid top layer, and two steel grid plates positioned between the grid bottom layer and the grid top layer in each layer as a grid middle layer; pouring the bottom of each layer of grid to form a concrete floor slab; and pouring the top of the top layer of the grid to form a roof layer. Therefore, the steel grating plates are installed on the concrete foundation wall layer by layer, and the concrete floor slab is poured, so that the bucket-shaped building structure with the base area smaller than the roof area is realized.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a steel grating plate building structure and a construction method thereof.
Background
The Steel grating plate is called as grating plate for short, also called as Steel grating plate (Steel grating plate), the grating plate is a Steel product which is formed by cross arrangement of flat Steel and cross bars according to a certain distance and is welded into a square lattice in the middle, and the Steel product is mainly used as a ditch cover plate, a Steel structure platform plate, a step plate of a Steel ladder and the like. The cross bars are typically twisted square steel, or the same flat steel. The grating plate is widely applied to platforms, walkways, trestles, trench covers, well covers, ladders, fences, factory construction and the like in the fields of petrochemical industry, electric power, tap water, sewage treatment, ports and docks, architectural decoration, shipbuilding, self-propelled parking lots, municipal engineering, environmental sanitation engineering and the like.
Disclosure of Invention
The invention aims to provide a steel grating plate building structure and a construction method thereof, and the steel grating plate building structure is characterized in that steel grating plates are installed on a concrete foundation wall layer by layer and a concrete floor slab is poured, so that a bucket-shaped building structure with a foundation area smaller than a roof area is realized.
In order to achieve the above object, the present invention adopts a technical solution of providing a steel grating plate building structure, comprising: the foundation structure is formed by enclosing four walls; the steel grating plates are hoisted and stacked on the four walls to form a multi-layer grating; each floor of the grid is provided with two steel grid plates for defining each floor internal space forming the steel grid plate building structure; the two adjacent layers of grids are longitudinally and transversely staggered and stacked, and the end parts of the two steel grid plates of the upper layer of grids are vertically overlapped with the end parts of the two steel grid plates of the lower layer of grids; defining two steel grid plates positioned at the bottommost layer in the multi-layer grid as a grid bottom layer, two steel grid plates positioned at the topmost layer as a grid top layer, and two steel grid plates positioned between the grid bottom layer and the grid top layer in each layer as a grid middle layer; the concrete floor is poured and formed at the bottom of each layer of grid; and the roof layer is poured and formed on the top of the top layer of the grating.
In the embodiment of the steel grating plate building structure, two steel grating plates at the bottom layer of the grating are arranged on two oppositely arranged wall bodies, the tops of the two wall bodies are respectively provided with a plurality of embedded connecting structures at intervals, each embedded connecting structure comprises embedded steel bars and a connecting plate, the embedded steel bars are vertically embedded in the tops of the wall bodies and partially protrude out of the wall bodies, and the protruding parts of the embedded steel bars are in lap joint welding with the connecting plates; and the steel grating plates are hoisted and welded on the embedded connecting structures and are welded and fixed with the connecting plates.
In the embodiment of the steel grating plate building structure, the connecting plate of the foundation structure comprises a horizontal plate piece and a vertical plate piece, the horizontal plate piece is horizontally arranged on the top surface of the wall body and is welded and fixed with the embedded steel bars, and the vertical plate piece is vertically welded on the horizontal plate piece; each steel grating plate is provided with two opposite vertical surfaces, a top surface and a bottom surface which are connected with the two vertical surfaces, and two end surfaces which are connected with the two vertical surfaces, the top surface and the bottom surface; the bottom surfaces of the steel grating plates in the grating bottom layer and the grating middle layer are provided with at least two lower side inserting plates which extend along the vertical direction and the plate surfaces of which face the end surfaces of the steel grating plates, the top surfaces of the steel grating plates in the grating bottom layer and the grating middle layer are provided with at least two upper side inserting plates which extend along the vertical direction and the plate surfaces of which face the vertical surfaces of the steel grating plates, and the lower side inserting plates and the upper side inserting plates are respectively provided with inserting grooves along the vertical direction; the steel grating plate at the bottom layer of the grating is fixedly connected with the vertical plate arranged at the top of the wall body through a lower side plug board; the steel grating plate in the grating middle layer is in cross-shaped splicing with the splicing groove of the upper side splicing plate of the next layer of steel grating plate through the splicing groove of the lower side splicing plate, the steel grating plate in the grating middle layer is in cross-shaped splicing with the splicing groove of the lower side splicing plate of the upper layer of steel grating plate through the splicing groove of the upper side splicing plate, and the lower side splicing plate and the upper side splicing plate are spliced to form a supporting structure with a cross-shaped cross section.
In the embodiment of the steel grating plate building structure, two groups of connecting supports are arranged between the grating bottom layer and two steel grating plates in the middle layers of the gratings; each group of connecting supports comprises a horizontal support and an inclined support, the two ends of the horizontal support are respectively connected with the top of the vertical face of each steel grating plate in an installing mode, one end of the inclined support is lapped below the horizontal support and is connected with the top of the vertical face of one steel grating plate in an installing mode, and the other end of the inclined support is connected with the bottom of the vertical face of the other steel grating plate in an installing mode.
In the embodiment of the steel grating plate building structure, two groups of connecting supports are arranged between two steel grating plates on the top layer of the grating; each group of connecting supports comprises a horizontal support and two inclined supports, the two ends of the horizontal support are respectively connected with the top of the vertical face of each steel grating plate in an installing mode, the two inclined supports are arranged below the horizontal support in a crossed mode, one end of each inclined support is lapped below the horizontal support and is connected with the top of the vertical face of one steel grating plate in an installing mode, and the other end of each inclined support is connected with the bottom of the vertical face of the other steel grating plate in an installing mode.
In the steel grating plate building construction embodiment of the invention, two steel grating plates of each layer of grating define each layer of inner space forming the steel grating plate building construction, and the plane area of each layer of inner space expands from the grating bottom layer to the grating top layer to form a bucket-shaped building construction.
In the embodiment of the steel grating plate building structure, the foundation structure is arranged in a basement below the ground elevation; the foundation structure further comprises four foundation beams arranged at the bottom of the basement, and the four walls are poured and formed on the four foundation beams.
In the embodiment of the steel grating plate building structure, the top of the basement is provided with a basement top plate, and the basement top plate surrounds the periphery of the steel grating plate building structure; and a pre-buried tie rod is arranged between the concrete floor at the bottom layer of the grating and the top plate of the basement for connection.
In addition, the invention also provides a construction method of the steel grating plate building structure, the steel grating plate building structure comprises a foundation structure, a grating bottom layer, a grating top layer and at least one grating top layer, wherein the grating bottom layer and the grating top layer are formed by hoisting and stacking steel grating plates, and the method comprises the following steps:
and (3) foundation structure construction: erecting reinforcing steel bars and pouring concrete to form a foundation structure formed by surrounding four walls, and embedding embedded connection structures at the tops of two oppositely arranged walls when the concrete is poured;
grid bottom layer hoisting: hoisting two steel grating plates to two oppositely arranged walls, and fixedly connecting the lower side plugboard at the bottom of the two steel grating plates with the embedded connecting structure of the foundation structure; forming the two steel grating plates hoisted in the step into a grating bottom layer of the steel grating plate building structure;
pouring the concrete floor slab at the bottom of the grid: erecting steel bars between the bottom of the steel grating plate at the bottom layer of the grating and the top of the wall body and pouring to form a concrete floor slab at the bottom layer of the grating; the lower side plugboard and the embedded connecting structure are embedded in the concrete floor slab;
grid middle layer hoisting: hoisting two steel grating plates to the two steel grating plates at the bottom layer of the grating, and overlapping the steel grating plates of the upper and lower layers of the grating in a crisscross manner; the lower side plugboard at the bottom of the grating middle layer steel grating plate is fixed with the upper side plugboard at the top of the lower layer grating steel grating plate in a cross-shaped splicing way; forming a grating middle layer of the steel grating plate building structure by the two steel grating plates hoisted in the step;
pouring the concrete floor slab at the middle layer of the grating: erecting reinforcing steel bars between the bottom of the steel grating plate of the grating middle layer and the top of the steel grating plate of the grating of the lower layer, and pouring to form a concrete floor slab of the grating middle layer; embedding the lower side plugboard and the upper side plugboard which are spliced in a cross manner into the concrete floor slab;
grid top layer hoisting: after the step of pouring the concrete floor slab at the bottom layer of the grid and the step of hoisting the middle layer of the grid are repeated until the number of the middle layer of the grid meets the design, hoisting two steel grid plates to the two steel grid plates of the middle layer of the grid at the topmost layer, and overlapping the steel grid plates of the upper and lower layers of grids in a crisscross manner; the lower side plugboard at the bottom of the steel grating plate at the top layer of the grating is spliced and fixed with the upper side plugboard at the top of the steel grating plate at the lower layer in a cross manner; enabling the two steel grating plates hoisted in the step to form a grating top layer of the steel grating plate building structure;
pouring the concrete floor slab on the top layer of the grid: erecting reinforcing steel bars between the bottom of the steel grating plate at the top layer of the grating and the top of the steel grating plate at the lower layer of the grating and pouring to form a concrete floor slab at the top layer of the grating; embedding the lower side plugboard and the upper side plugboard which are spliced in a cross manner into the concrete floor slab;
roof construction: and erecting steel bars on the tops of the steel grating plates on the top layer of the grating and pouring concrete to form a roof layer of the steel grating plate building structure.
Furthermore, the step of hoisting the bottom layer of the grating, the step of hoisting the middle layer of the grating and the step of hoisting the top layer of the grating also comprise the step of installing two groups of connecting supports between the end parts of two steel grating plates of each layer of the grating after the steel grating plates of each layer of the grating are hoisted, wherein each group of connecting supports comprises a horizontal support and an oblique support lapped below the horizontal support or two oblique supports arranged in a crossed manner.
According to the steel grating plate building structure and the construction method thereof, the steel grating plate building structure which is rapid in construction, stable in structure and special in bucket-shaped appearance and shape and the construction method thereof are provided.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description and appended claims, and may be realized by means of the instrumentalities, devices and combinations particularly pointed out in the appended claims.
Drawings
Fig. 1 is a schematic view of foundation beam construction of the foundation structure of the present invention.
Fig. 2 is a schematic view of the wall construction of the infrastructure of the present invention.
FIG. 3 is a schematic view of the first layer of grid lifting construction of the steel grid plate of the present invention.
Fig. 4 is a schematic view of the construction of a first slab of the concrete floor slab of the present invention.
FIG. 5 is a schematic view of the second layer of grid lifting construction of the steel grid plate of the present invention.
Fig. 6 is a schematic view illustrating the construction of a second deck of the concrete floor slab of the present invention.
FIG. 7 is a schematic view of the third layer of grid lifting construction of the steel grid plate of the present invention.
Fig. 8 is a schematic view of the construction of a third slab of the concrete floor of the present invention.
FIG. 9 is a schematic view of the fourth layer of grid lifting construction of the steel grid plate of the present invention.
Fig. 10 is a schematic view illustrating the construction of a fourth slab of the concrete floor slab of the present invention.
Fig. 11 is a schematic view of the construction of the roof layer of the present invention.
The correspondence of reference numerals to components is as follows:
a base structure 10; a foundation beam 11; a wall body 12; embedding reinforcing steel bars 13; a connecting plate 14; a horizontal plate member 141; a vertical plate 142; a basement ceiling 15; a steel grid plate 20; a first layer of grid 201; a second layer of grid 202; a third layer of grid 203; a fourth layer of grating 204; a horizontal support 21; an inclined support 22; a horizontal mount 23; a mounting substrate 231; a horizontal pinboard 232; an oblique mounting seat 24; a mounting substrate 241; an angled pinboard 242; intersecting mounts 25; a mounting substrate 251; a horizontal patch panel 252; a lower side socket plate 26; an upper side socket plate 27; a concrete floor 30; a first deck 301; a second ply 302; a third laminate 303; a fourth ply 304; pre-burying a tie rod 31; a roof layer 40; the hoisting device 50.
Detailed Description
Detailed embodiments of the present invention will be disclosed herein. It is to be understood, however, that the disclosed embodiments are merely exemplary of the invention and that the invention may be embodied in various and alternative forms. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.
To facilitate an understanding of the present invention, the following description is made in conjunction with the accompanying drawings and examples.
Referring to fig. 1 to 11, the present invention provides a steel grating plate building structure and a construction method thereof, the steel grating plate building structure including a foundation structure 10, a steel grating plate 20, a concrete floor 30, and a roof layer 40; wherein the foundation structure 10 is provided in a basement space below ground level; the steel grating plates 20 are hoisted and stacked on the four walls 12 through hoisting equipment 50 to form a plurality of layers of gratings, and each layer of grating is provided with two steel grating plates 20 to define each layer of inner space forming the steel grating plate building structure; as shown in fig. 7 and 11, two adjacent layers of grids of the steel grid plate building structure are vertically and horizontally staggered and stacked, and the end parts of the two steel grid plates 20 of the upper layer of grids are vertically overlapped with the end parts of the two steel grid plates 20 of the lower layer of grids; defining two steel grating plates 20 positioned at the bottom layer in the multi-layer grating as the bottom layer of the grating, two steel grating plates 20 positioned at the top layer as the top layer of the grating, and two steel grating plates 20 positioned between the bottom layer of the grating and the top layer of the grating in each layer as the middle layer of the grating. As shown in fig. 4, 6 and 8, the concrete floor 30 is cast at the bottom of each layer of grid. As shown in fig. 11, the roof layer 40 is poured on top of the top layer of the grid.
As shown in fig. 1, 2 and 3, the foundation structure 10 includes four foundation beams 11, four walls 12 and an embedded connection structure; the four foundation beams 11 are arranged at the bottom of the basement, and the four walls 12 are poured on the four foundation beams 11; the top parts of two walls 12 which are oppositely arranged and used for hoisting and bearing the steel grating plates 20 at the bottom layers of the gratings are respectively provided with a plurality of embedded connecting structures at intervals, each embedded connecting structure comprises embedded steel bars 13 and connecting plates 14, the embedded steel bars 13 are vertically embedded at the top parts of the walls 12 and partially protrude out of the walls 12, and the protruding parts of the embedded steel bars 13 are in lap joint welding with the connecting plates 14; the steel grating plate 20 is hoisted and welded on the embedded connection structures and is welded and fixed with the connection plate 14.
In the embodiment of the present invention, at least two groups of the embedded connection structures are disposed on the top of each wall 12, and preferably three groups of the embedded connection structures are disposed on the top of each wall; when two groups are arranged, the embedded connecting structures are preferably respectively arranged at the positions close to the two ends of the wall body 12, and the distance between the two groups of embedded connecting structures does not exceed the length of the steel grating plate 20 connected with the embedded connecting structures; when three groups are arranged, the pre-buried connecting structures are preferably arranged at the two ends and the middle part close to the wall body 12 at intervals, and the distance between the pre-buried connecting structures at the two ends is not more than the length of the steel grating plate 20 connected with the pre-buried connecting structures.
As shown in fig. 4, the basement top plate 15 is further arranged at the top of the basement in the construction of the steel grating plate building structure, and the basement top plate 15 surrounds the periphery of the steel grating plate building structure; the concrete floor 30 at the bottom layer of the grating is connected with the basement top plate 15 through the embedded tie rod 31, so that the structural stability of the whole steel grating plate building structure is further guaranteed.
As shown in fig. 3, the connecting plate 14 of the foundation structure 10 includes a horizontal plate member 141 and a vertical plate member 142, the horizontal plate member 141 is horizontally disposed on the top surface of the wall 12 and is welded and fixed to the embedded steel bars 13, and the vertical plate member 142 is vertically welded to the horizontal plate member 141. As shown in fig. 5 and 6, each of the steel grid plates 20 has two opposite vertical surfaces, a top surface and a bottom surface connecting the two vertical surfaces, and two end surfaces connecting the two vertical surfaces, the top surface and the bottom surface.
As shown in fig. 5 and 6, at least two lower insertion plates 26 extending vertically and having plate surfaces facing the end surfaces of the steel grating plates 20 are disposed on the bottom surfaces of the steel grating plates 20 in the bottom layer and the middle layer of the grating, at least two upper insertion plates 27 extending vertically and having plate surfaces facing the vertical surfaces of the steel grating plates 20 are disposed on the top surfaces of the steel grating plates 20 in the bottom layer and the middle layer of the grating, and insertion grooves (not shown) are vertically formed in the lower insertion plates 26 and the upper insertion plates 27, respectively.
Specifically, the steel grating plate 20 at the bottom of the grating is fixedly connected with the vertical plate 142 arranged at the top of the wall 12 through the lower side plug board 26; the steel grating plate 20 in the middle layer of the grating is crossly spliced with the splicing groove (not shown) of the upper side splicing plate 27 of the next steel grating plate 20 through the splicing groove (not shown) of the lower side splicing plate 26, the steel grating plate 20 in the middle layer of the grating is crossly spliced with the splicing groove (not shown) of the lower side splicing plate 26 of the upper side splicing plate 27 through the splicing groove (not shown) of the upper side splicing plate 27, and the lower side splicing plate 26 and the upper side splicing plate 27 are spliced to form a supporting structure with a cross-shaped cross section.
In the embodiment of the present invention, the plugging grooves formed on the lower plugging plate 26 and the upper plugging plate 27 are long grooves formed from the ends of the lower plugging plate 26 and the upper plugging plate 27 toward the steel grating 20, and the plugging grooves are formed in the middle portions of the lower plugging plate 26 and the upper plugging plate 27.
As shown in fig. 7 and 8, two groups of connecting supports are arranged between the two steel grating plates 20 of the bottom layer and the middle layer of each layer of the grating; each group of connecting supports comprises a horizontal support 21 and an oblique support 22, two ends of the horizontal support 21 are respectively connected with the top of the vertical face of the two steel grating plates 20 in an installing manner, one end of the oblique support 22 is lapped below the horizontal support 21 and is connected with the top of the vertical face of one of the steel grating plates 20 in an installing manner, and the other end of the oblique support 22 is connected with the bottom of the vertical face of the other steel grating plate 20 in an installing manner.
In the embodiment of the present invention, the horizontal supports 21 are horizontally and transversely connected between the two steel grating plates 20 of each layer of grating, and the diagonal supports 22 are diagonally overlapped below the horizontal supports 21 to be connected between the two steel grating plates 20 of each layer of grating. Specifically, as shown in fig. 7 and 8, one end of the horizontal support 21 is connected to one of the steel grid plates 20 by a horizontal mounting seat 23, and the other end of the horizontal support 21 is connected to the other steel grid plate 20 by an intersecting mounting seat 25; one end of the diagonal support 22 is connected to one of the steel grid plates 20 by a diagonal mounting seat 24, and the other end of the diagonal support 22 is connected to the intersecting mounting seat 25 to be connected to the other steel grid plate 20. More specifically, the two sets of connecting supports are respectively supported between the vertical surfaces of the two steel grid plates 20 near the end surfaces.
As shown in fig. 7 and 8, the horizontal mounting seat 23 includes a mounting base plate 231 and a horizontal insertion plate 232 transversely connected between an end of the horizontal support 21 and the mounting base plate 231, the mounting base plate 231 is disposed on a top of a vertical surface of the steel grating plate 20 and fixedly connected with a vertical plate of the steel grating plate 20, one end of the horizontal insertion plate 232 is fixedly connected with the mounting base plate 231, and the other end of the horizontal insertion plate 232 is inserted into an insertion slot at a tail end of the horizontal support 21 and is welded and fixed. The oblique mounting seat 24 includes a mounting substrate 241 and an oblique insertion plate 242 obliquely connected between the end of the oblique support 22 and the mounting substrate 241, the mounting substrate 241 is disposed at the bottom of the vertical surface of the steel grating plate 20 and fixedly connected with the vertical plate of the steel grating plate 20, one end of the oblique insertion plate 242 is fixedly connected with the mounting substrate 241, and the other end of the oblique insertion plate 242 is inserted into the insertion slot at the end of the oblique support 22 and is welded and fixed. The intersected mounting seat 25 comprises a mounting base plate 251, a horizontal plug-in board 252 and an oblique plug-in board 253, the mounting base plate 251 is arranged on the top of the vertical face of the steel grating plate 20 and fixedly connected with the vertical plate of the steel grating plate 20, the horizontal plug-in board 252 is transversely connected between the end part of the horizontal support 21 and the mounting base plate 251, and the horizontal mounting seat 23 is obliquely connected between the end part of the oblique support 22 and the horizontal plug-in board 252. Therefore, the horizontal support 21 and the diagonal support 22 are connected to the intersecting mounting base 25 in a manner that one end is vertically arranged, and the other end is vertically arranged and connected to the horizontal mounting base 23 and the diagonal mounting base 24 respectively, so as to be supported between the two steel grating plates 20.
As shown in fig. 9 and 10, two sets of connecting supports are arranged between the two steel grating plates 20 at the top layer of the grating; each group of connecting supports comprises a horizontal support 21 and two oblique supports 22, two ends of the horizontal support 21 are respectively connected with the top of the vertical face of the two steel grating plates 20 in an installing manner, the two oblique supports 22 are arranged below the horizontal support 21 in a crossed manner, one end of each oblique support 22 is lapped below the horizontal support 21 and is connected with the top of the vertical face of one of the steel grating plates 20 in an installing manner, and the other end of each oblique support 22 is connected with the bottom of the vertical face of the other steel grating plate 20 in an installing manner.
In the embodiment of the present invention, in the connecting supports arranged on the top layer of the grating, the horizontal support 21 is horizontally and transversely connected between the two steel grating plates 20 of each layer of grating, and the two diagonal supports 22 are crossed and diagonally lapped below the horizontal support 21. Specifically, as shown in fig. 9, both ends of the horizontal support 21 and the steel grating plate 20 are connected by the intersecting mounting seats 25; one end of the diagonal support 22 is connected to one of the steel grid plates 20 by a diagonal mounting seat 24, and the other end of the diagonal support 22 is connected to the intersecting mounting seat 25 to be connected to the other steel grid plate 20. More specifically, the two sets of connecting supports are respectively supported between the vertical surfaces of the two steel grid plates 20 near the end surfaces.
As shown in fig. 11, the two steel grid plates 20 of each grid define each floor interior space forming the steel grid plate building structure, the planar area of each floor interior space expanding from the bottom floor of the grid to the top floor of the grid to form a bucket-shaped building structure.
In the embodiment of the present invention, as shown in fig. 11, the steel grating plate building structure of the present invention includes four layers of gratings, which are sequentially arranged from bottom to top, a bottom layer of grating (a first layer of grating 201), a middle layer of grating (a second layer of grating 202, a third layer of grating 203) and a top layer of grating (a fourth layer of grating 204); the plane areas of the inner spaces of the first layer of grid 201 and the second layer of grid 202 are approximately same, the plane areas of the inner spaces of the third layer of grid 203 and the fourth layer of grid 204 are approximately same, and the plane areas of the third layer of grid 203 and the fourth layer of grid 204 are larger than the plane areas of the first layer of grid 201 and the second layer of grid 202, so that the steel grid plate building structure forms a bucket-shaped building structure. It should be understood that the above-mentioned bucket-shaped building structure is not limited to the above-mentioned form, and can be formed by increasing the plane area of each layer of grid layer by layer through reasonable design.
As shown in fig. 11, the concrete floor 30 of the steel grating plate building structure of the present invention may be integrally designed to form a complete floor structure, or may be formed with openings at portions corresponding to the inner spaces of each floor, so that the inner spaces of the upper and lower gratings are communicated with each other. In the embodiment of the present invention, as shown in fig. 11, the concrete floor 30 is provided with a first slab 301 (bottom grid layer), a second slab 302 (middle grid layer), a third slab 303 (middle grid layer) and a fourth slab 304 (top grid layer) corresponding to the first, second, third and fourth grids 201, 202, 203 and 204, wherein the first slab 301 is formed into a complete floor structure, and the second, third and fourth slabs 302, 303 and 304 are formed into a floor structure with an opening in the middle. In addition, the portion of each concrete floor 30 beyond each steel grid plate 20 can be adjusted according to the overall design or structural strength of the steel grid plate building structure, for example, the portion of the first layer plate 301 beyond the steel grid plate 20 is larger than the portion of the second layer plate 302 beyond the steel grid plate 20.
The concrete structure of the steel grating plate building structure of the present invention is described above, and the construction method of the steel grating plate building structure of the present invention is described below with reference to fig. 1 to 11. The method comprises the steps of foundation construction, grid bottom layer hoisting, grid bottom layer concrete floor pouring, grid middle layer hoisting, grid middle layer concrete floor pouring, grid top layer hoisting, grid top layer concrete floor pouring and roof construction. Wherein:
the foundation construction step (as shown in fig. 1, 2 and 3): and erecting reinforcing steel bars and pouring concrete to form a foundation structure 10 surrounded by four wall bodies 12, and embedding embedded connection structures at the tops of two oppositely arranged wall bodies 12 when pouring concrete.
In the embodiment of the present invention, the step of constructing the foundation structure further includes pouring the foundation structure 10 in the basement space; before the foundation structure 10 is poured with the wall 12, four reinforced concrete foundation beams 11 are poured in the basement, and the four-side wall 12 is poured on the four foundation beams 11. The basement space is a space lower than the ground elevation; before the wall 12 is poured with concrete, the embedded steel bars 13 and the connecting plates 14 are installed in place in advance, so that an embedded connecting structure at the top of the wall 12 is formed after pouring. Further, as shown in fig. 2, the highest height of the wall 12 after the embedded steel bars 13 are embedded is preferably lower than the ground elevation, so that the connecting plate 14 and the embedded steel bars 13 are fixed by lap welding after the elevation is adjusted.
The step of hoisting the bottom layer of the grating (as shown in figure 3): hoisting two steel grating plates 20 to two oppositely arranged walls 12, and fixedly connecting the lower side plugboards 26 at the bottoms of the two steel grating plates 20 with the embedded connecting structure of the foundation structure 10; the two steel grating plates 20 hoisted in the step form the grating bottom layer of the steel grating plate building structure. Preferably, the steel grid plate 20 is hoisted after the concrete of the wall 12 reaches 80% of the designed strength.
In this step, the steel grating plate 20 is used as a vertical bearing structure, and two adjacent layers of steel gratings are arranged in a criss-cross manner; each layer of steel grating plate 20 is manufactured by off-site processing, and the reservation and pre-embedding of the electromechanical pipelines are finished when the steel grating plates 20 are manufactured; each steel grating plate 20 is integrally hoisted on a construction site, the steel grating plate 20 at the bottom layer of the grating is welded with the vertical plate 142 of the foundation structure 10 through the lower side plug-in board 26 to form a supporting structure, and is connected with the lower side plug-in board 26 of the steel grating plate 20 at the upper layer of the grating through the upper side plug-in board 27 in a cross manner, so that the installation stability of the steel grating plate 20 can be ensured.
Pouring the concrete floor slab on the bottom of the grid (as shown in figure 4): erecting steel bars between the bottom of the steel grating plate 20 at the bottom of the grating and the top of the wall body 12 and pouring to form a concrete floor 30 at the bottom of the grating; and the lower side plugboard 26 and the embedded connection structure are embedded in the concrete floor 30, so that the stress part of the concrete floor 30 is distributed on the upper part of the lower steel grating. Preferably, the pre-embedded tie rods 31 connected to the basement roof 15 are pre-embedded in place prior to the pouring of the concrete.
Hoisting the middle layer of the grating (as shown in figures 5 and 7): hoisting the two steel grating plates 20 to the two steel grating plates 20 at the bottom layer of the grating, and overlapping the steel grating plates 20 of the upper and lower layers of gratings in a crisscross manner; the lower side plug board 26 at the bottom of the grating middle layer steel grating board 20 is fixed with the upper side plug board 27 at the top of the lower layer grating steel grating board 20 in a cross-shaped plug way; and enabling the two steel grating plates 20 hoisted in the step to form the grating middle layer of the steel grating plate building structure. Preferably, the steel grating plate 20 of the grating middle layer is hoisted after the concrete floor 30 of the grating lower layer reaches 80% of the designed strength.
Pouring the concrete floor slab at the middle layer of the grid (as shown in figures 6 and 8): erecting reinforcing steel bars between the bottom of the steel grating plate 20 of the grating middle layer and the top of the steel grating plate 20 of the grating lower layer, and pouring to form a concrete floor 30 of the grating middle layer; and the crisscross lower and upper plugging plates 26 and 27 are embedded in the concrete floor 30.
The step of hoisting the top layer of the grating (as shown in figure 9): repeating the step of pouring the concrete floor slab at the bottom of the grid and the step of hoisting the middle layer of the grid until the number of the middle layer of the grid meets the design (as shown in fig. 5 to 8, repeating the steps twice to form two layers of middle layers of the grid), hoisting the two steel grid plates 20 to the two steel grid plates 20 of the middle layer of the topmost grid, and overlapping the steel grid plates 20 of the upper and lower layers of grids in a criss-cross manner; the lower side plug board 26 at the bottom of the steel grating plate 20 at the top layer of the grating is fixed with the upper side plug board 27 at the top of the steel grating plate 20 at the lower layer in a cross-shaped plug way; the two steel grating plates 20 hoisted in this step constitute the top grating layer of the steel grating plate building structure. Preferably, the steel grating plate 20 at the top layer of the grating is hoisted after the concrete floor 30 of the grating at the lower layer reaches 80% of the designed strength.
The step of pouring the grid top concrete floor (as shown in figure 10): erecting reinforcing steel bars between the bottom of the steel grating plate 20 at the top layer of the grating and the top of the steel grating plate 20 at the lower layer of the grating, and pouring to form a concrete floor 30 at the top layer of the grating; the crisscross lower inserting plate 26 and the upper inserting plate 27 are embedded in the concrete floor 30;
the roof construction step (as shown in figure 11): the top of the top steel grid plate 20 of the grid is erected with steel reinforcement and poured concrete to form the roof layer 40 of the steel grid plate building construction. Preferably, the roof layer 40 is hoisted after the concrete floor 30 at the top of the grid reaches 80% of the design strength.
In the embodiment of the construction method, the step of hoisting the bottom layer of the grating, the step of hoisting the middle layer of the grating and the step of hoisting the top layer of the grating are further performed, after the steel grating plates 20 of each layer of the grating are hoisted, two groups of connecting supports are arranged between the end parts of the two steel grating plates 20 of each layer of the grating, and each group of connecting supports comprises a horizontal support 21 and an oblique support 22 lapped below the horizontal support 21 or two oblique supports 22 arranged in a crossed manner.
While the present invention has been described in detail and with reference to the accompanying drawings and examples, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (8)
1. A steel grating panel building construction comprising:
the foundation structure is formed by enclosing four walls;
the steel grating plates are hoisted and stacked on the four walls to form a multi-layer grating; each floor of the grid is provided with two steel grid plates for defining each floor internal space forming the steel grid plate building structure; the two adjacent layers of grids are longitudinally and transversely staggered and stacked, and the end parts of the two steel grid plates of the upper layer of grids are vertically overlapped with the end parts of the two steel grid plates of the lower layer of grids; defining two steel grid plates positioned at the bottommost layer in the multi-layer grid as a grid bottom layer, two steel grid plates positioned at the topmost layer as a grid top layer, and two steel grid plates positioned between the grid bottom layer and the grid top layer in each layer as a grid middle layer;
the concrete floor is poured and formed at the bottom of each layer of grid;
the roof layer is poured and formed on the top of the top layer of the grating;
wherein the content of the first and second substances,
two groups of connecting supports are arranged between the bottom layer of the grating and the two steel grating plates in the middle layer of each layer of the grating; each group of connecting supports comprises a horizontal support and an oblique support, two ends of the horizontal support are respectively connected with the top of the vertical face of the two steel grating plates in an installing manner, one end of the oblique support is lapped below the horizontal support and is connected with the top of the vertical face of one steel grating plate in an installing manner, and the other end of the oblique support is connected with the bottom of the vertical face of the other steel grating plate in an installing manner;
two groups of connecting supports are arranged between the two steel grating plates on the top layer of the grating; each group of connecting supports comprises a horizontal support and two oblique supports, two ends of the horizontal support are respectively connected with the top of the vertical face of the two steel grating plates in an installing manner, the two oblique supports are arranged below the horizontal support in a crossing manner, one end of each oblique support is lapped below the horizontal support and is connected with the top of the vertical face of one steel grating plate in an installing manner, and the other end of each oblique support is connected with the bottom of the vertical face of the other steel grating plate in an installing manner;
the concrete floor slab positioned at the bottom layer of the grating is formed into a complete floor slab structure, and the concrete floor slab positioned at the top layer of the grating and the middle layer of the grating is formed into a floor slab structure with an opening corresponding to the inner space of each layer in the middle.
2. A steel grating panel building construction according to claim 1, wherein:
the two steel grating plates at the bottom layer of the grating are arranged on two oppositely arranged wall bodies, the tops of the two wall bodies are respectively provided with a plurality of embedded connecting structures at intervals, each embedded connecting structure comprises an embedded steel bar and a connecting plate, the embedded steel bars are vertically embedded in the tops of the wall bodies and partially protrude out of the wall bodies, and the protruding parts of the embedded steel bars are fixedly welded with the connecting plates in an overlapping mode; and the steel grating plates are hoisted and welded on the embedded connecting structures and are welded and fixed with the connecting plates.
3. A steel grating panel building construction according to claim 2, wherein:
the connecting plate of the foundation structure comprises a horizontal plate piece and a vertical plate piece, the horizontal plate piece is horizontally arranged on the top surface of the wall body and is welded and fixed with the embedded steel bars, and the vertical plate piece is vertically welded on the horizontal plate piece;
each steel grating plate is provided with two opposite vertical surfaces, a top surface and a bottom surface which are connected with the two vertical surfaces, and two end surfaces which are connected with the two vertical surfaces, the top surface and the bottom surface; the bottom surfaces of the steel grating plates in the grating bottom layer and the grating middle layer are provided with at least two lower side inserting plates which extend along the vertical direction and the plate surfaces of which face the end surfaces of the steel grating plates, the top surfaces of the steel grating plates in the grating bottom layer and the grating middle layer are provided with at least two upper side inserting plates which extend along the vertical direction and the plate surfaces of which face the vertical surfaces of the steel grating plates, and the lower side inserting plates and the upper side inserting plates are respectively provided with inserting grooves along the vertical direction;
the steel grating plate at the bottom layer of the grating is fixedly connected with the vertical plate arranged at the top of the wall body through a lower side plug board; the steel grating plate in the grating middle layer is in cross-shaped splicing with the splicing groove of the upper side splicing plate of the next layer of steel grating plate through the splicing groove of the lower side splicing plate, the steel grating plate in the grating middle layer is in cross-shaped splicing with the splicing groove of the lower side splicing plate of the upper layer of steel grating plate through the splicing groove of the upper side splicing plate, and the lower side splicing plate and the upper side splicing plate are spliced to form a supporting structure with a cross-shaped cross section.
4. A steel grating panel building construction according to claim 1, wherein:
and two steel grating plates of each layer of grating define each layer of inner space forming the steel grating plate building structure, and the plane area of each layer of inner space is expanded from the bottom layer of the grating to the top layer of the grating to form the bucket-shaped building structure.
5. A steel grating panel building construction according to claim 1, wherein:
the foundation structure is arranged in an underground chamber lower than the ground elevation; the foundation structure further comprises four foundation beams arranged at the bottom of the basement, and the four walls are poured and formed on the four foundation beams.
6. A steel grating panel building construction according to claim 5, wherein:
the top of the basement is provided with a basement top plate which surrounds the periphery of the steel grating plate building structure;
and a pre-buried tie rod is arranged between the concrete floor at the bottom layer of the grating and the top plate of the basement for connection.
7. A method of constructing a steel grating panel building structure, the steel grating panel building structure comprising a base structure and a grating bottom layer formed by steel grating panels in a hanging and stacking arrangement, a grating top layer and at least one grating top layer located between the grating bottom layer and the grating top layer, the method comprising the steps of:
and (3) foundation structure construction: erecting reinforcing steel bars and pouring concrete to form a foundation structure formed by surrounding four walls, and embedding embedded connection structures at the tops of two oppositely arranged walls when the concrete is poured;
grid bottom layer hoisting: hoisting two steel grating plates to two oppositely arranged walls, and fixedly connecting the lower side plugboard at the bottom of the two steel grating plates with the embedded connecting structure of the foundation structure; forming the two steel grating plates hoisted in the step into a grating bottom layer of the steel grating plate building structure;
pouring the concrete floor slab at the bottom of the grid: erecting steel bars between the bottom of the steel grating plate at the bottom layer of the grating and the top of the wall body and pouring to form a concrete floor slab at the bottom layer of the grating; the lower side plugboard and the embedded connecting structure are embedded in the concrete floor slab;
grid middle layer hoisting: hoisting two steel grating plates to the two steel grating plates at the bottom layer of the grating, and overlapping the steel grating plates of the upper and lower layers of the grating in a crisscross manner; the lower side plugboard at the bottom of the grating middle layer steel grating plate is fixed with the upper side plugboard at the top of the lower layer grating steel grating plate in a cross-shaped splicing way; forming a grating middle layer of the steel grating plate building structure by the two steel grating plates hoisted in the step;
pouring the concrete floor slab at the middle layer of the grating: erecting reinforcing steel bars between the bottom of the steel grating plate of the grating middle layer and the top of the steel grating plate of the grating of the lower layer, and pouring to form a concrete floor slab of the grating middle layer; embedding the lower side plugboard and the upper side plugboard which are spliced in a cross manner into the concrete floor slab;
grid top layer hoisting: after the step of pouring the concrete floor slab at the bottom layer of the grid and the step of hoisting the middle layer of the grid are repeated until the number of the middle layer of the grid meets the design, hoisting two steel grid plates to the two steel grid plates of the middle layer of the grid at the topmost layer, and overlapping the steel grid plates of the upper and lower layers of grids in a crisscross manner; the lower side plugboard at the bottom of the steel grating plate at the top layer of the grating is spliced and fixed with the upper side plugboard at the top of the steel grating plate at the lower layer in a cross manner; enabling the two steel grating plates hoisted in the step to form a grating top layer of the steel grating plate building structure;
pouring the concrete floor slab on the top layer of the grid: erecting reinforcing steel bars between the bottom of the steel grating plate at the top layer of the grating and the top of the steel grating plate at the lower layer of the grating and pouring to form a concrete floor slab at the top layer of the grating; embedding the lower side plugboard and the upper side plugboard which are spliced in a cross manner into the concrete floor slab;
roof construction: and erecting steel bars on the tops of the steel grating plates on the top layer of the grating and pouring concrete to form a roof layer of the steel grating plate building structure.
8. A method of constructing a steel grating panel building structure according to claim 7, wherein:
the method comprises a grid top layer hoisting step, a grid bottom layer hoisting step, a grid middle layer hoisting step and a grid top layer hoisting step, and further comprises the step of installing two groups of connecting supports between the ends of two steel grid plates of each layer of grid after the steel grid plates of each layer of grid are hoisted, wherein each group of connecting supports comprises a horizontal support and an oblique support lapped below the horizontal support or two oblique supports arranged in a crossed mode.
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