CN112049232B - Arc-shaped structure and construction method thereof - Google Patents
Arc-shaped structure and construction method thereof Download PDFInfo
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- CN112049232B CN112049232B CN202010706422.6A CN202010706422A CN112049232B CN 112049232 B CN112049232 B CN 112049232B CN 202010706422 A CN202010706422 A CN 202010706422A CN 112049232 B CN112049232 B CN 112049232B
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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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
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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
- E04B2001/0053—Buildings characterised by their shape or layout grid
- E04B2001/0061—Buildings with substantially curved horizontal cross-section, e.g. circular
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Revetment (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model provides an arc structure and construction method thereof, includes arc steel skeleton, welds the reinforcing bar net piece at arc steel skeleton both sides face, fills the perlite mortar in the arc steel skeleton and the double-deck wire net of ligature on every side reinforcing bar net piece, the preliminary cement of basic unit is directly moulded layer and surface course cement molding layer has been laid from the inside to the outside in order on the wire net, surface course cement molding layer surface coating has multilayer metallic varnish. The arc-shaped steel skeleton has the advantages of light dead weight, high integral strength and capability of quick processing and assembly, the arc rate is accurately controlled through 3d modeling, and the technical problem of difficult construction of the existing arc-shaped structures is solved through the external reinforcing mesh cement direct-molding process.
Description
Technical Field
The invention relates to the field of building construction, and particularly belongs to an arc-shaped structure and a construction method thereof.
Background
In the construction, the conventional construction process of the arc-shaped structure comprises the steps of customizing a steel template and casting concrete in situ. The traditional cast-in-place concrete construction technology has the defects of great weight, high difficulty in measuring and positioning and axis control, difficulty in controlling curvature, complex template design, manufacturing and installation processes, difficulty in concrete pouring and the like.
Disclosure of Invention
The invention aims to provide an arc-shaped structure and a construction method thereof, and aims to solve the technical problem that the arc-shaped structure is difficult to construct in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an arcuate structure characterized by: including arc steel skeleton, welding reinforcing bar net piece, the perlite mortar of packing in arc steel skeleton both sides face and the double-deck wire net of ligature on every side reinforcing bar net piece at arc steel skeleton both sides face, the preliminary cement of basic unit has been laid on the wire net from inside to outside in order and has been directly moulded layer and surface course cement molding layer, the surface course cement molding layer surface coating has multilayer metallic varnish.
Further preferably, the arc-shaped steel skeleton comprises a bowl-shaped structure which is vertically arranged on the ground and has an outward opening, and an arch-shaped vestibule structure connected with the bowl bottom of the bowl-shaped structure.
Further, arc steel skeleton bottom and rearmounted buried plate welded fastening, rearmounted buried plate is laid according to bowl-shaped structure and hunch form vestibule structure and ground contact shape, rearmounted buried plate is fixed with the structure roof beam of burying underground at ground through chemical crab-bolt.
Furthermore, the arc-shaped steel framework at the bowl-shaped structure is a single-layer steel framework at a position which is 3100mm away from the lateral opening of the bowl-shaped structure, and a double-layer steel framework is arranged at a position which is more than 3100mm away from the lateral opening of the bowl-shaped structure.
Further, still be equipped with double-deck waterproof layer between the layer is directly moulded to the preliminary cement of basic unit and the surface course cement molding layer.
In addition, the arc-shaped steel skeleton is formed by bending 100 × 8mm square steel pipes and welding and fixing the square steel pipes.
More preferably, the thickness of the primary cement straight molding layer is 20mm, and the thickness of the surface cement molding layer is 20-40 mm.
A construction method of an arc-shaped structure is characterized by comprising the following steps:
s1, cutting the arc-shaped steel skeleton after integral spot welding, displaying the model in a three-dimensional mode by using a 3d printing process, determining the radius and the length of each arc section, performing numerical control stretch bending on square steel pipes in a factory, performing trial assembly, retesting the overall radian and the size, performing integral spot welding on the qualified steel pipes into the arc-shaped steel skeleton, and then cutting the steel skeleton into a plurality of plates to be conveyed to a construction site;
s2, welding and fixing the arc-shaped steel skeleton and the rear buried plate: model basic drawing 1: 1, printing, paving the plate on the ground on site to position a rear buried plate, reassembling a plurality of plates on site, integrally hoisting the plates by using a crane, debugging the installation position, and welding and fixing an arc-shaped steel skeleton and the rear buried plate;
s3, laying a steel bar mesh: welding steel bar meshes of phi 6.5mm with 100 x 100mm pores on two sides of the arc-shaped steel skeleton, and binding a double-layer steel wire mesh of phi 0.6mm with 10 x 10mm pores on each side of the steel bar mesh;
s4, sequentially constructing a face modeling layer: lay the preliminary cement of basic unit in order on the wire netting and directly mould layer, double-deck waterproof layer and surface course cement molding layer, so far, the construction of arc structures structure is accomplished.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the arc-shaped steel skeleton has the advantages of light dead weight, high integral strength and capability of quick processing and assembly, the arc rate is accurately controlled through 3d modeling, and the technical problem of difficult construction of the existing arc-shaped structures is solved through the external reinforcing mesh cement direct-molding process.
The invention has the advantages of simple manufacture, high construction speed, reduced dead weight, accurate arc rate control, high construction period, safety, applicability and the like, has good popularization and practical value, and can generate good economic benefit after wide popularization and application.
Drawings
FIG. 1 is a schematic structural view of an arc-shaped steel skeleton according to the present invention;
FIG. 2 is a side view of the arc steel skeleton according to the present invention;
FIG. 3 is a cross-sectional view of section 1-1 of FIG. 1;
FIG. 4 is a schematic diagram of the layout structure of the rear buried plate according to the present invention;
FIG. 5 is a schematic structural view of an arcuate structure according to the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5;
fig. 7 is a schematic structural view of a double-deck steel frame according to the present invention.
Reference numerals: 1-arc steel skeleton; 2-reinforcing mesh; 3-perlite mortar; 4-steel wire mesh; 5-primary cement direct plastic layer of the base layer; 6-surface cement molding layer; 7-metallic varnish; 8-a bowl-shaped structure; 9-arch vestibule structure; 10-rear embedded plate; 11-double-layer steel frame; 12-waterproof layer.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The utility model provides an arc structure, as shown in fig. 5 and 6, including arc steel skeleton 1, the welding reinforcing bar net piece 2 at arc steel skeleton 1 both sides face, fill the double-deck wire net 4 of pearlite mortar 3 and ligature on reinforcing bar net piece 2 of every side in arc steel skeleton 1, laid the preliminary cement of basic unit in proper order on the wire net 4 from inside to outside and directly moulded layer 5 and surface course cement model layer 6, the 6 surface coating of surface course cement model layer has multilayer metallic luster paint 7.
As shown in fig. 1 and 2, the arc steel skeleton 1 comprises a bowl-shaped structure 8 which is vertically arranged on the ground and has an outward opening, and an arch-shaped vestibule structure 9 connected with the bowl bottom of the bowl-shaped structure 8, and a double-layer waterproof layer 12 is further arranged between the primary cement direct-molding layer 5 of the base layer and the surface cement molding layer 6. Fig. 3 combines fig. 7 to show, bowl-shaped structure 8 department arc steel skeleton 1 is apart from bowl-shaped structure 8 side direction opening 3100mm and is the individual layer steelframe with interior department, is double-deck steelframe 11 beyond 3100mm, and arc steel skeleton 1 is bent and welded fastening by 100 x 8mm square steel pipe and forms, and preliminary cement is directly moulded 5 thickness and is 20mm, and surface course cement makes type layer 6 thickness and is 20~40 mm.
The bottom of the arc-shaped steel skeleton 1 is welded and fixed with a rear buried plate 10, as shown in figure 4, the rear buried plate 10 is arranged according to the contact shape of a bowl-shaped structure 8 and an arch-shaped corridor structure 9 with the ground, and the rear buried plate 10 is fixed with a structural beam buried in the ground through a chemical anchor bolt.
A construction method of an arc-shaped structure is characterized by comprising the following steps:
s1, cutting the arc-shaped steel skeleton 1 after integral spot welding, displaying the model in a three-dimensional mode by using a 3d printing process, determining the radius and the length of each arc section, performing numerical control stretch bending on square steel pipes in a factory, performing trial assembly, retesting the overall radian and the size, performing integral spot welding on the qualified trial assembly to form the arc-shaped steel skeleton 1, and then cutting the arc-shaped steel skeleton 1 into a plurality of plates to be conveyed to a construction site;
s2, welding and fixing the arc-shaped steel skeleton 1 and the rear buried plate 10: model basic drawing 1: 1, printing, paving the plate on the ground on the spot, positioning the rear buried plate 10, reassembling a plurality of plates on the spot, integrally hoisting the plates by using a crane, debugging the installation position, and welding and fixing the arc-shaped steel skeleton 1 and the rear buried plate 10;
s3, laying a reinforcing mesh 2: welding steel bar meshes 2 with the diameter of 6.5mm with the aperture of 100 x 100mm on the two sides of the arc-shaped steel skeleton 1, and binding a steel wire mesh 4 with the diameter of 0.6mm with the aperture of 10 x 10mm on each side of the steel bar meshes 2;
s4, sequentially constructing a face modeling layer: and paving a basic layer preliminary cement direct-molding layer 5, a double-layer waterproof layer 12 and a surface layer cement molding layer 6 on the steel wire mesh 4 in sequence, and thus finishing the construction of the arc-shaped structure.
The method comprises the steps of determining the radius and the length of each arc section by 3d modeling, carrying out numerical control stretch bending in a factory, displaying the model in a three-dimensional mode by using a 3d printing process, carrying out trial assembly on steel members in the factory, retesting the whole radian and size, carrying out spot welding on the steel members in an arc shape to form the steel framework 1 after the steel members are qualified in trial assembly, and then dividing the steel framework into a plurality of plates to be conveyed to a construction site. Model basic drawing 1: 1 printing out and paving to the on-site ground for post-buried plate positioning, wherein a model basic diagram is shown in figure 4, a plurality of plates are reassembled on site, then the crane is used for integral hoisting, the installation position is debugged, and the base is fixed. The two sides of the arc-shaped steel skeleton 1 are welded with a steel bar net sheet with the diameter of 6.5mm and the aperture of 100 x 100mm, and a steel wire net with the diameter of 0.6mm and the aperture of 10 x 10mm is tied on the steel bar net. The surface of the steel wire mesh is subjected to cement direct-plastic work according to the arc shape, and the cement direct-plastic work is performed according to the arc surface radius 1: 1 the detection steel pipe of preparation compares, carries out the compensation to the cambered surface is unsmooth, and final cambered surface size accords with the drawing requirement and carries out veneer coating work after whole molding satisfies 3d printing model, and the preparation is accomplished the back and is collocation ground light, can the moral sunrise east, and the ornamental effect is splendid.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. An arcuate structure characterized by: the concrete wall surface layer concrete mortar comprises an arc-shaped steel skeleton (1), reinforcing steel bar meshes (2) welded on two side surfaces of the arc-shaped steel skeleton (1), perlite mortar (3) filled in the arc-shaped steel skeleton (1) and double-layer steel wire meshes (4) bound on the reinforcing steel bar meshes (2) on each side, wherein a primary cement direct-molding layer (5) of a base layer and a surface cement molding layer (6) are sequentially paved on the steel wire meshes (4) from inside to outside, and the outer surface of the surface cement molding layer (6) is coated with a plurality of layers of metal gloss paints (7); the arc-shaped steel skeleton (1) comprises a bowl-shaped structure (8) which is vertically arranged on the ground and has an outward opening and an arch-shaped vestibule structure (9) connected with the bowl bottom of the bowl-shaped structure (8); the bottom of the arc-shaped steel skeleton (1) is welded and fixed with a rear embedded plate (10), the rear embedded plate (10) is arranged according to the contact shape of a bowl-shaped structure (8) and an arch-shaped corridor structure (9) and the ground, and the rear embedded plate (10) is fixed with a structural beam embedded in the ground through a chemical anchor bolt; the arc-shaped steel skeleton (1) at the bowl-shaped structure (8) is a single-layer steel skeleton at a position which is 3100mm away from the lateral opening of the bowl-shaped structure (8), and a double-layer steel skeleton (11) is arranged at a position which is beyond 3100 mm; a double-layer waterproof layer (12) is arranged between the primary cement direct-molding layer (5) of the base layer and the cement molding layer (6) of the surface layer; the arc-shaped steel skeleton (1) is formed by bending 100X 8mm square steel pipes and welding and fixing the square steel pipes; the thickness of the primary cement direct-molding layer (5) is 20mm, and the thickness of the surface cement molding layer (6) is 20-40 mm.
2. A method of constructing an arcuate structure as claimed in claim 1, including the steps of:
s1, cutting the arc-shaped steel skeleton (1) after integral spot welding, displaying the model in a three-dimensional mode by using a 3d printing process, determining the radius and the length of each arc section, performing numerical control stretch bending on square steel pipes in a factory, performing trial assembly, performing retest on the overall radian and size, performing integral spot welding on the qualified trial assembly to form the arc-shaped steel skeleton (1) as a whole, and then cutting the arc-shaped steel skeleton into a plurality of plates to be conveyed to a construction site;
s2, welding and fixing the arc-shaped steel skeleton (1) and the rear buried plate (10): model basic drawing 1: 1, printing, paving the plate on the ground on site to position a rear buried plate (10), reassembling a plurality of plates on site, integrally hoisting the plates by using a crane, debugging the installation position, and welding and fixing an arc-shaped steel skeleton (1) and the rear buried plate (10);
s3, laying a reinforcing mesh (2): welding phi 6.5mm steel bar mesh sheets (2) with 100 x 100mm pores on two sides of an arc-shaped steel skeleton (1), and binding double layers of phi 0.6mm steel wire meshes (4) with 10 x 10mm pores on each side of the steel bar mesh sheets (2);
s4, sequentially constructing a face modeling layer: the primary cement direct plastic layer (5) of the base layer, the double-layer waterproof layer (12) and the surface cement modeling layer (6) are sequentially laid on the steel wire mesh (4), and the construction of the arc-shaped structure is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010706422.6A CN112049232B (en) | 2020-07-21 | 2020-07-21 | Arc-shaped structure and construction method thereof |
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| CN202010706422.6A CN112049232B (en) | 2020-07-21 | 2020-07-21 | Arc-shaped structure and construction method thereof |
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| CN112049232A CN112049232A (en) | 2020-12-08 |
| CN112049232B true CN112049232B (en) | 2022-02-25 |
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| CN113202229B (en) * | 2021-05-11 | 2023-03-17 | 内蒙古工业大学 | Combined fitting for in-situ concrete 3-D printing horizontal bearing component and preparation method |
| CN113414350A (en) * | 2021-06-28 | 2021-09-21 | 共享装备股份有限公司 | Manufacturing method of 3DP component and 3DP component |
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| CN101974956A (en) * | 2010-09-30 | 2011-02-16 | 筑巢（北京）科技有限公司 | Built-in latticed steel frame exterior protected structural slab as well as building and production and construction method thereof |
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