High-strength concrete member

Abstract

The utility model discloses a high-strength concrete member, and relates to the technical field of concrete members. The concrete member comprises a concrete member body, and the concrete member body comprises a concrete outer wrapping layer and a steel frame layer located in the concrete outer wrapping layer. One end of the outer concrete wrapping layer extends outwards to form a convex end, the other end of the outer concrete wrapping layer sinks inwards to form a concave end, and the convex end is matched with the concave end in size; the steel frame layer comprises outer ring layers and inner ring layers fixed to the inner rings of the outer ring layers through connecting pieces, the outer ring layers, the inner ring layers and the connecting pieces are distributed in multiple layers in the vertical direction, and the layers of structures are connected through the connecting pieces as well. According to the utility model, the convex end and the concave end are arranged, so that the adjacent components can be conveniently inserted and matched, and the mounting process is simplified; by combining the compressive property of concrete and the tensile property of steel, the composite structure can effectively bear a larger load, and when an external load acts on the concrete outer wrapping layer, the force is effectively transmitted to the inner steel frame layer.

Description

TECHNICAL FIELD

[0001] The utility model belongs to concrete member technical field, especially, relate to a high strength concrete member. BACKGROUND

[0002] Concrete member refers to the building structural component made of concrete, is widely used in various buildings and infrastructure, they can be prefabricated (manufactured in factory and then transported to the construction site installation) or cast in situ (poured directly on site), according to design and use, concrete member can have different shape, size and performance characteristics.

[0003] Traditional concrete member is easy to misplace when splicing and installing at construction site, and needs to install auxiliary positioning structure after installation to ensure the structural stability of the overall splicing structure, resulting in complicated installation, meanwhile, the internal framework structure strength of traditional concrete member needs to be improved.

[0004] Therefore, we provide a high strength concrete member to solve the above problems. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0006] The utility model discloses a high strength concrete member, including concrete member body, the concrete member body includes concrete outer wrapping layer and the steel frame layer in the concrete outer wrapping layer inside,

[0007] The concrete outer wrapping layer one end extends outward and forms the convex end, and the other end is concave and forms the concave end, and the convex end and the concave end are matched in size.

[0008] The steel frame layer includes an outer ring layer and an inner ring layer fixed to the outer ring layer by a connecting piece, and the outer ring layer, the inner ring layer and the connecting piece are vertically distributed in multiple layers, and each layer of structure is also connected by a connecting piece.

[0009] The utility model further sets up that the concrete outer wrapping layer side is provided with anti-cracking groove, and the middle part of concrete outer wrapping layer is provided with chamber.

[0010] The utility model further sets up that the chamber is provided with filler, and the filler is expanded perlite, polystyrene foam plastic or glass wool.

[0011] The utility model further sets up that the steel frame layer is arranged around the chamber, and the adjacent steel frame layers are fixed by reinforcing layers.

[0012] The utility model further sets up, the concrete outer wrapping layer surface is coated with waterproof anticorrosive coating, its waterproof anticorrosive coating is epoxy resin base material, and the thickness is between 1-3mm.

[0013] The utility model further sets up, the concrete outer wrapping layer inside mixes with steel fiber or polypropylene fiber.

[0014] The utility model has following beneficial effect:

[0015] 1, the utility model discloses a combination of the compressive strength of concrete and the tensile strength of steel, and the composite structure can effectively bear greater load, when the external load acts on the concrete outer wrapping layer, the force is effectively transmitted to the internal steel frame layer, and the multilayer steel frame structure (including the outer ring layer, the inner ring layer and the connecting piece) enhances the bending and shearing capacity of the component, and ensures the safety and stability of the structure.

[0016] 2, the utility model discloses a combination of the compressive strength of concrete and the tensile strength of steel, and the composite structure can effectively bear greater load, when the external load acts on the concrete outer wrapping layer, the force is effectively transmitted to the internal steel frame layer, and the multilayer steel frame structure (including the outer ring layer, the inner ring layer and the connecting piece) enhances the bending and shearing capacity of the component, and ensures the safety and stability of the structure.

[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0019] Fig. 1 It is the concrete component body splicing schematic diagram in the utility model.

[0020] Fig. 2 It is the concrete component body structure schematic diagram in the utility model.

[0021] Fig. 3 It is the steel frame layer structure schematic diagram in the utility model.

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] 100, concrete member body; 101, concrete outer wrapping layer; 101a, protruding end; 101b, anti-cracking groove; 101c, recessed end; 101d, cavity; 102, filler; 103, steel frame layer; 103a, outer ring layer; 103b, inner ring layer; 103c, connecting piece; 103d, reinforcing layer. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] EMBODIMENT

[0026] Please refer to Figs. 1-3 The utility model discloses a kind of high-strength concrete members, including concrete member body 100, the concrete member body 100 includes concrete outer wrapping layer 101, and steel frame layer 103 located in the inside of concrete outer wrapping layer 101, concrete outer wrapping layer 101 and the steel frame layer 103 inside are combined, form a composite structure, utilize the compressive strength of concrete and tensile property of steel, so that component can withstand greater load, when being subjected to external load, concrete outer wrapping layer 101 effectively transmits force to inside steel frame layer 103;

[0027] The concrete outer wrapping layer 101 one end extends outward to form protruding end 101a, its other end is recessed to form recessed end 101c, the protruding end 101a and recessed end 101c size are matched, protruding end 101a and recessed end 101c can realize the plug-in fit between adjacent components, simplify installation process, and improve the stability and continuity of overall structure;

[0028] The steel frame layer 103 includes outer ring layer 103a, and inner ring layer 103b fixed in the inner ring of outer ring layer 103a through connecting piece 103c, the outer ring layer 103a, inner ring layer 103b and connecting piece 103c are all distributed with multiple layers along vertical direction, each layer structure is also connected through connecting piece 103c, and the multiple steel frame structures of outer ring layer 103a, inner ring layer 103b and connecting piece 103c enhance the bending and shear capacity of component.

[0029] Specifically, the concrete outer cladding layer 101 is provided with a crack prevention groove 101b on the side, which helps to reduce stress concentration and prevent crack propagation. The middle of the concrete outer cladding layer 101 is provided with a cavity 101d, and the cavity 101d is provided with a filler 102. The filler 102 is expanded perlite, polystyrene foam or glass wool, which has good heat preservation and insulation performance, reduces the self-weight of the component, and improves the energy efficiency ratio of the component. The steel frame layer 103 is arranged around the cavity 101d, and the adjacent steel frame layers 103 are fixed by a reinforcing layer 103d, which further ensures the stable connection between the steel frame layers 103.

[0030] Further, the surface of the concrete outer cladding layer 101 is coated with a waterproof and corrosion-resistant coating, which is an epoxy resin-based material with a thickness of 1-3mm. The waterproof and corrosion-resistant coating protects the concrete from environmental factors and prolongs the service life of the component. The concrete outer cladding layer 101 is mixed with steel fibers or polypropylene fibers, which increases the toughness of the concrete and improves its crack resistance.

[0031] Working principle

[0032] Mechanical properties of the composite structure: The combination of the concrete outer cladding layer 101 and the steel frame layer 103 takes advantage of the good compressive strength of concrete and the excellent tensile strength of steel. When the component is subjected to external load, the concrete outer cladding layer 101 effectively transmits the force to the internal steel frame layer 103, enabling the component to withstand greater pressure, tension and bending moment.

[0033] Connection structure: The convex end 101a and the concave end 101c are sized to allow the adjacent concrete components to be inserted and fitted together. This not only simplifies the installation process, but also enhances the overall stability and continuity of the structure, and helps to disperse stress and avoid damage caused by excessive stress on a single point.

[0034] Multi-layer steel frame structure: The steel frame layer 103 is composed of an outer ring layer 103a, an inner ring layer 103b and a connecting piece 103c, and is distributed in multiple layers along the vertical direction, which enhances the bending and shear resistance of the component and ensures the integrity and stability of the structure under various complex working conditions.

[0035] Application of crack prevention groove 101b and filler 102: The crack prevention groove 101b on the side of the concrete outer cladding layer 101 can effectively reduce stress concentration and prevent crack propagation. The filler 102 (such as expanded perlite, polystyrene foam or glass wool) in the cavity 101d improves the heat preservation and insulation performance of the component, reduces the self-weight, and thus improves the energy efficiency ratio.

[0036] The role of the reinforcing layer 103d: the reinforcing layer 103d is used to fix the adjacent steel frame layer 103, to ensure the stable connection between them, and further strengthen the structural strength of the whole component.

[0037] Surface protection measures: the waterproof and anticorrosive coating (epoxy resin-based material) coated on the outer wrapping layer 101 of the concrete, with a thickness of 1-3mm, can effectively protect the concrete from the erosion of external environmental factors (such as moisture, chemicals, etc.), and prolong the service life of the component.

[0038] Fiber reinforced concrete: the internal mixing of steel fibers or polypropylene fibers in the concrete increases its toughness and improves its crack resistance, which helps to maintain the long-term mechanical properties of the component.

[0039] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A high-strength concrete component comprising a concrete component body (100), characterized by: The concrete member body (100) comprises a concrete outer wrapping layer (101) and a steel frame layer (103) inside the concrete outer wrapping layer (101); The concrete outer wrapping layer (101) extends outward at one end to form a protruding end (101a) and inward at the other end to form a recessed end (101c), and the protruding end (101a) and the recessed end (101c) are of matching sizes; The steel frame layer (103) comprises an outer ring layer (103a) and an inner ring layer (103b) fixed to the inner ring of the outer ring layer (103a) through a connecting piece (103c), and the outer ring layer (103a), the inner ring layer (103b) and the connecting piece (103c) are vertically distributed in multiple layers, and each layer structure is also connected through the connecting piece (103c).

2. A high strength concrete member according to claim 1, characterised in that The concrete outer wrapping layer (101) is provided with a crack prevention groove (101b) on the side surface, and a cavity (101d) is provided in the middle of the concrete outer wrapping layer (101).

3. A high strength concrete member according to claim 2, characterised in that The cavity (101d) is provided with a filler (102), and the filler (102) is expanded perlite, polystyrene foam plastic or glass wool.

4. A high strength concrete member according to claim 2, wherein The steel frame layer (103) is arranged around the cavity (101d), and the adjacent steel frame layers (103) are fixed through a reinforcing layer (103d).

5. A high strength concrete member according to claim 1, wherein The surface of the concrete outer wrapping layer (101) is coated with a waterproof and anticorrosive coating, the waterproof and anticorrosive coating is an epoxy resin-based material, and the thickness is between 1-3mm.

6. A high strength concrete member according to claim 1, wherein The concrete outer wrapping layer (101) is mixed with steel fibers or polypropylene fibers.

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