An outdoor concrete structure canopy bottom encapsulation system and construction method thereof

Abstract

The present invention discloses a bottom encapsulation system for an outdoor concrete structure canopy and a construction method thereof, comprising a concrete canopy, wherein a structural beam and a main keel are fixed in sequence below the concrete canopy, and an external cladding plate, a steel mesh layer and a mortar wrapping layer are sequentially covered below the main keel, and the mortar wrapping layer comprises a spraying layer and a plastering layer, wherein the spraying layer covers the steel mesh layer, and the plastering layer covers the finished surface of the spraying layer, and an alkali-resistant mesh cloth is pressed into the surface of the plastering layer, so as to have high durability.

Description

Technical Field

[0001] The present invention relates to the technical field of building construction, in particular to an outdoor concrete structure canopy bottom encapsulation system and a construction method thereof. Background Art

[0002] At present, the bottom encapsulation system of outdoor concrete structure canopies lacks durability. Gypsum boards or cement pressure boards are directly used on the market, which have poor durability and will inevitably begin to age and fall off after a period of time. Therefore, there is an urgent need for a bottom encapsulation system of outdoor concrete structure canopies with good durability. Summary of the Invention

[0003] The object of the present invention is to provide an outdoor concrete structure canopy bottom encapsulation system and a construction method thereof, which can have high durability.

[0004] According to the present invention, a bottom encapsulation system for an outdoor concrete structure canopy and a construction method thereof are provided, comprising a concrete canopy, wherein a structural beam and a main keel are fixed in sequence below the concrete canopy, and an external cladding plate, a wire mesh layer and a mortar wrapping layer are sequentially covered below the main keel, wherein the mortar wrapping layer comprises a spraying layer and a plastering layer, wherein the spraying layer covers the wire mesh layer, and the plastering layer covers the finished surface of the spraying layer, and an alkali-resistant mesh cloth is pressed into the surface of the plastering layer.

[0005] The overall system structure includes a concrete canopy, structural beams, main keels, external cladding and a wire mesh layer connected into a whole. The mortar wrapping layer is then formed through external spraying and plastering to ensure that the outer surface is formed in one go, with good integrity, higher strength and durability.

[0006] Furthermore, embedded plates are fixed on both sides of the structural beam, and the main keel and the embedded plates are fixed by full welding.

[0007] Furthermore, the material of the external cladding board is perlite board.

[0008] Perlite board has good thermal insulation performance, strong stability and is not easy to age.

[0009] Furthermore, a flat steel strip is provided between the external cladding plate and the steel mesh layer, and the flat steel strip is fixed to the external cladding plate by self-tapping screws.

[0010] This further secures the outer paneling and keeps it stable.

[0011] Furthermore, the material of the wire mesh layer is steel mesh or steel mesh.

[0012] The wire mesh has good adhesion and anchoring properties to the mortar, and the load on the wire mesh is uniform, which greatly improves the seismic resistance.

[0013] Furthermore, the mortar wrapping layer adopts anti-cracking mortar with a strength of M20.

[0014] This can improve crack resistance.

[0015] Furthermore, the embedded plate, the flat steel strip and the self-tapping screws are all treated by hot-dip galvanizing.

[0016] Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life, which can enhance the service life of embedded plates, flat steel strips and self-tapping screws.

[0017] A construction method for the above-mentioned outdoor concrete structure canopy bottom encapsulation system comprises the following steps:

[0018] Provide a concrete canopy and structural beams at the base of the concrete canopy;

[0019] Prefabricate and process the external cladding panels and the wire mesh layer, wherein the external cladding panels are pre-assembled on the ground from a plurality of sub-panels;

[0020] Fixing embedded plates on both sides of the structural beam, wherein the embedded plates are treated with hot-dip galvanizing;

[0021] The main keel is wrapped and fixed under the structural beam. The main keel and the embedded plate are fixed by full welding. After the fixing is completed, the welding slag is cleaned and anti-rust paint is applied to the weld for corrosion protection;

[0022] Wrap and fix the external cladding under the main keel;

[0023] Wrapping the outer cladding plate with a fixed steel wire mesh layer;

[0024] A mortar wrapping layer is constructed below the steel mesh layer.

[0025] The overall system structure includes a concrete canopy, structural beams, main keels, external cladding and a wire mesh layer connected into a whole. The mortar wrapping layer is then formed through external spraying and plastering to ensure that the outer surface is formed in one go, with good integrity, higher strength and durability.

[0026] Furthermore, the external cladding is pre-assembled on the ground from multiple sub-panels.

[0027] Hot-dip galvanized steel wire is used at the joints of the external cladding for crack resistance treatment.

[0028] The external cladding panels are pre-assembled on the ground, and hot-dip galvanized steel wire mesh is set at the joints of the external cladding panels for anti-cracking reinforcement to increase its crack resistance.

[0029] Furthermore, the mortar wrapping construction includes the following steps:

[0030] Spray grouting on the surface of the wire mesh layer to form a spray layer, and then use an aluminum alloy scraper to level it after the spraying is completed;

[0031] After the finished surface of the sprayed layer reaches 70% dryness, the surface of the sprayed layer is plastered to form a plaster layer. The vertical flatness of the plaster layer surface must reach ±3mm. During the plastering process, alkali-resistant mesh cloth is pressed into its surface. The alkali-resistant mesh cloth is required to weigh 160g per square meter. After the plastering is completed, it is cured for no less than 7 days.

[0032] The mortar wrapping layer includes a spraying layer and a plastering layer. The anti-cracking mortar with a strength of M20 is sprayed and then plastered. Alkali-resistant mesh cloth is pressed into its surface to improve the durability of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0034] Figure 1 This is a structural breakdown diagram of the bottom encapsulation system of an outdoor concrete structure canopy according to an embodiment of the present invention;

[0035] Figure 2 This is a schematic structural diagram of the bottom encapsulation system of an outdoor concrete structure canopy according to an embodiment of the present invention.

[0036] In the figure, 1-concrete canopy; 2-structural beam; 3-main purlin; 4-external cladding; 5-wire mesh layer; 6-mortar wrapping layer; 7-flat steel strip. DETAILED DESCRIPTION

[0037] The following is a further description of specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is intended to facilitate understanding of the present invention and does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

[0038] See also Figure 1 and Figure 2 , shows an outdoor concrete structure canopy bottom encapsulation system of the present invention, including a concrete canopy 1, under which a structural beam 2 and a main keel 3 are fixed in sequence, and under the main keel 3 are sequentially covered with an external cladding 4, a wire mesh layer 5 and a mortar wrapping layer 6, the mortar wrapping layer 6 includes a spraying layer and a plaster layer, the spraying layer covers the wire mesh layer 5, the plaster layer covers the finished surface of the spraying layer, and an alkali-resistant mesh cloth is pressed into the surface of the plaster layer.

[0039] The overall system structure includes a concrete canopy 1, structural beams 2, main keels 3, external cladding 4 and a wire mesh layer 5 connected as a whole, and then a mortar wrapping layer 6 is formed by external spraying and plastering to ensure that the outer surface is formed in one go, with good integrity, higher strength and durability.

[0040] Embedded plates are fixed on both sides of the structural beam 2, and the main keel 3 and the embedded plates are fixed by full welding. As a preferred embodiment of the present invention, the embedded plates can be pre-embedded or fixed later using chemical anchors or expansion bolts. For embedded plates pre-embedded during the construction phase, it is required that the back of the embedded plates have their own anchoring steel bars, and the ends of the steel bars have hooks. For embedded plates fixed later, the embedded plates themselves have holes to facilitate on-site installation and operation.

[0041] The material of the external cladding board 4 is perlite board, which has good thermal insulation performance, strong stability, and is not easy to age. The material of the external cladding board can also be fiber cement board or other inorganic A-level materials, that is, fireproof and thermal insulation materials with a fireproof grade of A, specifically a monomer inorganic non-combustible A1-level material, which has good fireproof and thermal insulation performance.

[0042] A flat steel strip 7 is further provided between the outer cladding plate 4 and the wire mesh layer 5. The flat steel strip 7 is fixed to the outer cladding plate 4 by self-tapping screws, thereby further fixing the outer cladding plate 4 to keep it stable.

[0043] The material of the wire mesh layer 5 is steel mesh or steel mesh. The steel mesh has good adhesion and anchoring properties to the mortar, and the load of the steel mesh is uniform, which greatly improves the earthquake resistance.

[0044] The mortar wrapping layer 6 adopts anti-cracking mortar with a strength of M20, thereby improving the crack resistance.

[0045] The embedded plate, flat steel strip 7 and self-tapping screws are all treated by hot-dip galvanizing. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life, which can enhance the service life of the embedded plate, flat steel strip 7 and self-tapping screws.

[0046] A construction method for the above-mentioned outdoor concrete structure canopy bottom encapsulation system comprises the following steps:

[0047] Providing a concrete canopy 1 and a structural beam 2 located at the bottom of the concrete canopy 1;

[0048] Prefabricate and process the external cladding plate 4 and the wire mesh layer 5. The external cladding plate 4 is pre-assembled on the ground from a plurality of sub-plates.

[0049] The embedded plates are fixed on both sides of the structural beam 2 and are treated with hot-dip galvanizing;

[0050] Wrap and fix the main keel 3 under the structural beam 2. The main keel 3 and the embedded plate are fixed by full welding. After the fixing is completed, clean the welding slag and apply anti-rust paint to the weld for anti-corrosion treatment;

[0051] Wrap and fix the outer cladding plate 4 under the main keel 3;

[0052] The outer cladding plate 4 is covered with a fixed steel wire mesh layer 5;

[0053] A mortar wrapping layer 6 is constructed below the wire mesh layer 5 .

[0054] The overall system structure includes a concrete canopy 1, structural beams 2, main keels 3, external cladding 4 and a wire mesh layer 5 connected as a whole, and then a mortar wrapping layer 6 is formed by external spraying and plastering to ensure that the outer surface is formed in one go, with good integrity, higher strength and durability.

[0055] In this embodiment, the main purlin 3 is made of 50×80 square steel pipe with a wall thickness of 5mm. The spacing between the main purlins 3 is controlled at 500mm. The main purlin 3 and the embedded plate are fixed by full welding. After welding is completed, the welding slag is cleaned and anti-rust paint is applied in time to treat the weld corrosion.

[0056] The external cladding panels 4 are pre-assembled on the ground by multiple sub-panels, and hot-dip galvanized steel wire is used at the joints of the external cladding panels 4 for anti-cracking treatment. The external cladding panels 4 are pre-assembled on the ground, and hot-dip galvanized steel wire mesh is set at the joints of the external cladding panels 4 for anti-cracking reinforcement treatment to increase its anti-cracking performance.

[0057] The construction of the mortar wrap layer 6 includes the following steps:

[0058] Slurry is sprayed on the surface of the wire mesh layer 5 to form a spray layer, and after the spraying is completed, an aluminum alloy scraper is used to level it;

[0059] After the finished surface of the sprayed layer reaches 70% dryness, the surface of the sprayed layer is plastered to form a plaster layer. The vertical flatness of the plaster layer surface must reach ±3mm. During the plastering process, alkali-resistant mesh cloth is pressed into its surface. The alkali-resistant mesh cloth is required to weigh 160g per square meter. After the plastering is completed, it is cured for no less than 7 days.

[0060] The mortar wrapping layer 6 includes a spraying layer and a plastering layer. The anti-cracking mortar with a strength of M20 is sprayed and then plastered. Alkali-resistant mesh cloth is pressed into its surface to improve the durability of the overall structure.

[0061] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0062] In the description of the present invention, it should be understood that the terms "upper", "lower", "vertical", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0063] The terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the quantity of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features.

[0064] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.

Claims

1. An outdoor concrete structure canopy bottom encapsulation system, characterized in that: It includes a concrete canopy, under which a structural beam and a main purlin are fixed in sequence, embedded plates are fixed on both sides of the structural beam, the main purlin and the embedded plates are fixed by full welding, and the main purlin is sequentially covered with an external cladding plate, a wire mesh layer and a mortar wrapping layer under the main keel, the mortar wrapping layer includes a spraying layer and a plastering layer, the spraying layer covers the wire mesh layer, the plastering layer covers the finished surface of the spraying layer, an alkali-resistant mesh cloth is pressed into the surface of the plastering layer, a flat steel belt is further provided between the external cladding plate and the wire mesh layer, and the flat steel belt is fixed to the external cladding plate by self-tapping screws.

2. The outdoor concrete structure canopy bottom encapsulation system according to claim 1 is characterized in that: The material of the external cladding board is perlite board.

3. The outdoor concrete structure canopy bottom encapsulation system according to claim 1 is characterized in that: The material of the steel mesh layer is steel mesh or steel mesh.

4. The outdoor concrete structure canopy bottom encapsulation system according to claim 1, characterized in that: The mortar wrapping layer adopts anti-cracking mortar with a strength of M20.

5. The outdoor concrete structure canopy bottom encapsulation system according to claim 1 is characterized in that: The embedded plate, the flat steel strip and the self-tapping screws are all treated by hot-dip galvanizing.

6. A construction method for the bottom encapsulation system of an outdoor concrete structure canopy according to any one of claims 1 to 5, characterized in that: Including steps: Provide a concrete canopy and structural beams at the base of the concrete canopy; Prefabricate and process the external cladding panels and the wire mesh layer, wherein the external cladding panels are pre-assembled on the ground from a plurality of sub-panels; Fixing embedded plates on both sides of the structural beam, wherein the embedded plates are treated with hot-dip galvanizing; The main keel is wrapped and fixed under the structural beam. The main keel and the embedded plate are fixed by full welding. After the fixing is completed, the welding slag is cleaned and anti-rust paint is applied to the weld for corrosion protection; Wrap and fix the external cladding under the main keel; Wrapping the outer cladding plate with a fixed steel wire mesh layer; A mortar wrapping layer is constructed below the steel mesh layer.

7. The construction method of the outdoor concrete structure canopy bottom encapsulation system according to claim 6, characterized in that: The external cladding is pre-assembled on the ground from multiple sub-panels. Hot-dip galvanized steel wire is used at the joints of the external cladding for crack resistance treatment.

8. The construction method of the bottom encapsulation system of an outdoor concrete structure canopy according to claim 6, characterized in that: The construction of mortar wrap includes the following steps: Spray grouting on the surface of the wire mesh layer to form a spray layer, and then use an aluminum alloy scraper to level it after the spraying is completed; After the finished surface of the sprayed layer reaches 70% dryness, the surface of the sprayed layer is plastered to form a plaster layer. The vertical flatness of the plaster layer surface must reach ±3mm. During the plastering process, alkali-resistant mesh cloth is pressed into its surface. The alkali-resistant mesh cloth is required to weigh 160g per square meter. After the plastering is completed, it is cured for no less than 7 days.

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