Compound doping type high-strength concrete member

Abstract

The utility model relates to a compound doping type high-strength concrete member, and relates to the field of concrete members. The protective device comprises a protective outer shell, a protective inner shell and a connecting piece, wherein the connecting piece comprises a connecting rod, a locking piece and a fixing nut. According to the compound doping type high-strength concrete member, the protective outer shell and the protective inner shell are made of steel materials, the steel materials have the corrosion-resistant characteristic, and therefore the concrete member can be conveniently protected, in addition, the protective outer shell and the protective inner shell are conveniently connected through the connecting pieces, and the service life of the concrete member is prolonged. And the parts, making contact with the protective outer shell and the protective inner shell, of the connecting rods are locked through the locking pieces in the connecting pieces, and therefore the rigidity of the protective outer shell and the rigidity of the protective inner shell are conveniently guaranteed.

Description

Technical Field

[0001] This application relates to the technical field of concrete components, and particularly to a compound admixture type high-strength concrete component. Background Art

[0002] In the related art, a high-strength concrete component with locally built-in fiber cloth and the publication number CN102787696B is composed of longitudinal bars (1), stirrups (2), high-strength concrete, fiber cloth (3) and iron sheets (4). The longitudinal bars (1) and stirrups (2) are tied to form a steel reinforcement cage. The iron sheet (4) is wrapped outside the longitudinal bars (1), and the iron sheet (4) is wrapped at intervals between adjacent stirrups (2). The width of the iron sheet (4) is the same as the spacing of the stirrups (2), and the joints of the iron sheet (4) are welded. There is an iron sheet (4) wrapped between the two stirrups (2) at the end of the component. The fiber cloth (3) is glued to the outside of the iron sheet (4), and 5 - 8 layers of fiber cloth (3) are pasted on each iron sheet (4). The fiber cloth (3) constraints the component from the inside, improving the compressive strength and bearing capacity of the component and improving the ductility. Because there is a high-strength concrete protective layer outside the fiber cloth (3), it is beneficial to ensure the long-term constraint effect of the fiber cloth (3). In addition, the fiber cloth (3) is pasted on the iron sheet (4), avoiding the stress concentration of the fiber cloth (3) and improving the utilization rate of the fiber cloth (3).

[0003] Regarding the internal constraint of high-strength concrete components by using fiber cloth in the above technology, after long-term use, the toughness of the fiber cloth will decrease, thereby reducing the constraint force on the concrete component. Summary of the Utility Model

[0004] In order to solve the situation that due to the design characteristics of the current compound admixture type high-strength concrete component, the inventor found that when using fiber cloth to internally constraint the high-strength concrete component, after long-term use, the toughness of the fiber cloth will decrease, thereby reducing the constraint force on the concrete component. This application provides a compound admixture type high-strength concrete component.

[0005] A compound admixture type high-strength concrete component provided by this application adopts the following technical scheme: including a protective outer shell, a protective inner shell arranged in the inner cavity of the protective outer shell, and a connecting piece for connecting the protective outer shell and the protective inner shell;

[0006] The connecting piece includes a connecting rod penetrating through the protective outer shell and the protective inner shell, a locking piece arranged at the contact part of the connecting rod with the protective outer shell and the protective inner shell, and a fixing nut arranged outside the protective outer shell and connected to the connecting rod.

[0007] By adopting the above technical solutions, the protective outer shell and the protective inner shell are respectively made of steel, and the steel has the characteristic of corrosion resistance, so as to facilitate the protection of concrete components. In addition, the connecting piece facilitates the connection between the protective outer shell and the protective inner shell, and the locking piece in the connecting piece locks the contact parts between the connecting rod and the protective outer shell and the protective inner shell, so as to facilitate ensuring the rigidity of the protective outer shell and the protective inner shell.

[0008] Optionally, both the protective outer shell and the protective inner shell are made of steel.

[0009] By adopting the above technical solutions, the steel has the characteristic of corrosion resistance, so as to facilitate the protection of concrete components.

[0010] Optionally, a pouring gap is provided between the outer periphery of the protective inner shell and the inner wall of the protective inner shell.

[0011] By adopting the above technical solutions, such a design facilitates pouring high-strength concrete into the pouring gap to form a concrete component.

[0012] Optionally, adjacent connecting pieces are arranged perpendicular to each other, and the connecting pieces are also made of steel.

[0013] By adopting the above technical solutions, the connecting piece facilitates the connection between the protective outer shell and the protective inner shell.

[0014] Optionally, fixing holes adapted to the fixing nuts are respectively provided at both ends of the connecting rod, and fixing threads are provided on the inner wall of the fixing holes.

[0015] By adopting the above technical solutions, the fixing threads and the fixing nuts cooperate with each other to facilitate fixing the fixing nuts, so as to facilitate connecting the fixing nuts and the connecting rod.

[0016] Optionally, the locking piece includes a locking sleeve provided at the connection between the connecting rod and the protective outer shell and the protective inner shell, and a locking member provided at the connection between the locking sleeve and the protective outer shell and the protective inner shell. The locking member includes a first locking nut provided at the connection between the outer periphery of the locking sleeve and the protective inner shell, and a second locking nut provided at the connection between the locking sleeve and the protective outer shell.

[0017] By adopting the above technical solutions, the locking sleeve further increases the tightness at the connection between the connecting rod and the protective inner shell and the protective outer shell, and the locking member facilitates limiting the protective outer shell and the protective inner shell, so as to effectively ensure the stability of the pouring gap.

[0018] Optionally, it further includes a first arc-shaped opening provided on the locking sleeve and a second arc-shaped opening provided on the locking member, and the first arc-shaped opening and the second arc-shaped opening are respectively arranged in the height direction of the locking sleeve and the locking member.

[0019] By adopting the above technical solution, it is convenient to install the locking sleeve on the outer periphery of the connecting rod and the locking member on the outer periphery of the locking sleeve.

[0020] Optionally, it further includes an external thread provided on the outer periphery of the locking sleeve and internal threads respectively provided on the inner walls of the first locking nut and the second locking nut.

[0021] By adopting the above technical solution, the external thread and the internal thread cooperate with each other, which is convenient to connect the first locking nut and the second locking nut with the locking sleeve, so as to be suitable for protective inner shells and protective outer shells with different thicknesses.

[0022] In summary, the present application includes the following beneficial technical effects:

[0023] 1. The protective outer shell and the protective inner shell are respectively made of steel material, and the steel material has the characteristic of corrosion resistance, so as to facilitate the protection of concrete components;

[0024] 2. In addition, the connecting piece is convenient to connect the protective outer shell and the protective inner shell, and the locking member in the connecting piece locks the parts of the connecting rod in contact with the protective outer shell and the protective inner shell, so as to facilitate ensuring the rigidity of the protective outer shell and the protective inner shell. Description of the Drawings

[0025] Figure 1 is a schematic structural diagram of the overall structure of the compound admixture high-strength concrete component of the present application;

[0026] Figure 2 is in the compound admixture high-strength concrete component of the present application Figure 1 schematic structural diagram of a partial cross-sectional view;

[0027] Figure 3 is a schematic structural diagram of the assembly of the fixed nut and the connecting rod in the compound admixture high-strength concrete component of the present application;

[0028] Figure 4 is a schematic structural diagram when the locking cap and the locking sleeve in the compound admixture high-strength concrete component of the present application are connected.

[0029] Description of the reference numerals: 11, protective inner shell; 12, protective outer shell; 2, connecting piece; 21, connecting rod; 211, fixing hole; 22, locking sleeve; 221, first arc-shaped opening; 231, first locking nut; 232, second locking nut; 233, second arc-shaped opening; 24, fixed nut. Detailed Description of the Invention

[0030] The present application will be further described in detail below with reference to the accompanying drawings.

[0031] Specifically, please refer to Figure 1 and Figure 2 , an embodiment of the present application discloses a compound admixture type high-strength concrete member, including a protective outer shell 12 and a protective inner shell 11 arranged in the inner cavity of the protective outer shell 12. Both the protective outer shell 12 and the protective inner shell 11 are made of steel material, and the steel material has the characteristic of corrosion resistance, so as to facilitate the protection of the concrete member. And there is a casting gap between the outer periphery of the protective inner shell 11 and the inner wall of the protective inner shell 11. Such a design facilitates pouring high-strength concrete into the casting gap to form a concrete member.

[0032] Specifically, please refer to Figure 2 and Figure 3 , and a connecting member 2 for connecting the protective outer shell 12 and the protective inner shell 11. The connecting member 2 includes a connecting rod 21 penetrating through the protective outer shell 12 and the protective inner shell 11, a locking member arranged at the contact part of the connecting rod 21 with the protective outer shell 12 and the protective inner shell 11, and a fixing nut 24 arranged outside the protective outer shell 12 and connected to the connecting rod 21. In the present utility model, the protective outer shell 12 and the protective inner shell 11 are respectively made of steel material, and the steel material has the characteristic of corrosion resistance, so as to facilitate the protection of the concrete member. In addition, the connecting member 2 facilitates connecting the protective outer shell 12 and the protective inner shell 11, and the locking member in the connecting member 2 locks the contact part of the connecting rod 21 with the protective outer shell 12 and the protective inner shell 11, so as to facilitate ensuring the rigidity of the protective outer shell 12 and the protective inner shell 11.

[0033] Specifically, please refer to Figure 1 , adjacent connecting members 2 are arranged perpendicular to each other, and the connecting member 2 is also made of steel material, and the connecting member 2 facilitates connecting the protective outer shell 12 and the protective inner shell 11.

[0034] Specifically, please refer to Figure 3 , both ends of the connecting rod 21 are respectively provided with fixing holes 211 adapted to the fixing nut 24, and the inner wall of the fixing hole 211 is provided with fixing threads, and the fixing threads cooperate with the fixing nut 24 to facilitate fixing the fixing nut 24, so as to facilitate connecting the fixing nut 24 and the connecting rod 21.

[0035] Specifically, please refer to Figure 2 and 3, the locking member includes a locking sleeve 22 provided at the connection of the connecting rod 21 with the protective outer shell 12 and the protective inner shell 11, and a locking member provided at the connection of the locking sleeve 22 with the protective outer shell 12 and the protective inner shell 11. The locking member includes a first locking nut 231 provided at the connection of the outer periphery of the locking sleeve 22 with the protective inner shell 11, and a second locking nut 232 provided at the connection of the locking sleeve 22 with the protective outer shell 12. The locking sleeve 22 further increases the fastening property at the connection of the connecting rod 21 with the protective inner shell 11 and the protective outer shell 12. The locking member facilitates the limitation of the protective outer shell 12 and the protective inner shell 11, thereby effectively ensuring the stability of the pouring gap.

[0036] For details, please refer to Figure 3 and Figure 4 , in order to facilitate the installation of the locking sleeve 22 and the locking member, it further includes a first arc-shaped opening 221 provided on the locking sleeve 22 and a second arc-shaped opening 233 provided on the locking member. The first arc-shaped opening 221 and the second arc-shaped opening 233 are respectively arranged in the height direction of the locking sleeve 22 and the locking member, so as to facilitate the installation of the locking sleeve 22 on the outer periphery of the connecting rod 21 and the locking member on the outer periphery of the locking sleeve 22.

[0037] For details, please refer to Figure 4 , in order to improve the use flexibility of the present utility model, it further includes an external thread provided on the outer periphery of the locking sleeve 22 and internal threads respectively provided on the inner walls of the first locking nut 231 and the second locking nut 232. The external thread and the internal thread cooperate with each other to facilitate the connection of the first locking nut 231 and the second locking nut 232 with the locking sleeve 22, so as to be applicable to protective inner shells 11 and protective outer shells 12 with different thicknesses.

[0038] The implementation principle of an embodiment of a compound admixture high-strength concrete member in this application is as follows: during use, the connecting rod 21 is passed through the protective outer shell 12 and the protective inner shell 11, then the locking sleeve 22 is clamped at the connection of the connecting rod 21 with the protective inner shell 11 and the protective outer shell 12. The first locking nut 231 is respectively installed on the inner and outer sides of the connection of the locking sleeve 22 with the protective inner shell 11, and the second locking nut 232 is installed on the inner side of the connection of the locking sleeve 22 with the protective outer shell 12. Repeat the above steps, install the number of locking members as required, and the adjacent locking members are installed perpendicular to each other.

[0039] The above are all the preferred embodiments of this application. The protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A compound admixture type high-strength concrete member, characterized in that: It includes a protective outer shell (12), a protective inner shell (11) disposed in the inner cavity of the protective outer shell (12), and a connecting member (2) for connecting the protective outer shell (12) and the protective inner shell (11); The connecting member (2) includes a connecting rod (21) passing through the protective outer shell (12) and the protective inner shell (11), a locking member disposed at the contact portions of the connecting rod (21) with the protective outer shell (12) and the protective inner shell (11), and a fixing nut (24) disposed outside the protective outer shell (12) and connected to the connecting rod (21).

2. A compound admixture type high-strength concrete member according to claim 1, characterized in that: Both the protective outer shell (12) and the protective inner shell (11) are made of steel, and there is a casting gap between the outer periphery of the protective inner shell (11) and the inner wall of the protective inner shell (11).

3. A composite admixture type high-strength concrete member according to claim 2, characterized in that: Adjacent connecting members (2) are perpendicularly arranged, and the connecting members (2) are also made of steel.

4. A composite admixture type high-strength concrete member according to claim 3, characterized in that: Both ends of the connecting rod (21) are respectively provided with fixing holes (211) adapted to the fixing nut (24), and the inner wall of the fixing hole (211) is provided with fixing threads.

5. A composite admixture type high-strength concrete member according to claim 4, characterized in that: The locking member includes a locking sleeve (22) disposed at the connection portions of the connecting rod (21) with the protective outer shell (12) and the protective inner shell (11), and a locking member disposed at the connection portions of the locking sleeve (22) with the protective outer shell (12) and the protective inner shell (11). The locking member includes a first locking nut (231) disposed at the connection portion of the outer periphery of the locking sleeve (22) with the protective inner shell (11) and a second locking nut (232) disposed at the connection portion of the locking sleeve (22) with the protective outer shell (12).

6. The composite admixture type high-strength concrete member according to claim 5, characterized in that: It further includes a first arc-shaped opening (221) disposed on the locking sleeve (22) and a second arc-shaped opening (233) disposed on the locking member. The first arc-shaped opening (221) and the second arc-shaped opening (233) are respectively arranged in the height direction of the locking sleeve (22) and the locking member.

7. A compound-doped high-strength concrete member according to claim 6, characterized in that: In addition, it includes an external thread disposed on the outer periphery of the locking sleeve (22) and internal threads respectively disposed on the inner walls of the first locking nut (231) and the second locking nut (232).

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