UHPC (Ultra High Performance Concrete) horizontal seam connecting structure with high shearing resistance

Abstract

The utility model discloses a UHPC horizontal seam connecting structure with strong shearing resistance, and relates to the technical field of UHPC horizontal seam connecting structures, the UHPC horizontal seam connecting structure comprises an upper wall body and a connecting assembly, the lower part of the upper wall body is connected with a lower wall body, a connecting cavity is arranged at the joint of the upper wall body and the lower wall body, the connecting assembly is arranged in the connecting cavity, and the upper wall body is connected with the lower wall body. The connecting assembly comprises a U-shaped piece, a threaded end and a nut. According to the UHPC horizontal seam connecting structure with the high shearing resistance, by arranging the connecting assembly, the extending rod part of the transverse plate is inserted into the connecting cavity, the opening of the connecting cavity is filled with the base slurry for leveling, then the U-shaped piece penetrates through the two inserting holes in the middle of the extending rod, and the threaded end of the tail end of the U-shaped piece is screwed and fixed through the nut; and the connecting cavity is filled with high-strength grouting material filler, so that the extension rod and the U-shaped piece are embedded in the filler, the shearing resistance is improved, and the stability of the transverse plate and the connecting strength among the transverse plate, the upper wall body and the lower wall body are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of UHPC horizontal seam connection structures, in particular to a UHPC horizontal seam connection structure with strong shear resistance. Background Art

[0002] At present, most UHPC horizontal seam connection structures directly insert one end of the horizontal plate between the upper wall and the lower wall, and fill the connection with high-strength grouting material to complete the connection.

[0003] However, this connection method of directly inserting one end of the horizontal plate between the upper wall and the lower wall has low connection strength and poor stability, is prone to shaking, and has insufficient shear resistance. There is room for optimization and improvement based on the existing technology.

[0004] Therefore, in view of this, the shortcomings of the existing structure were studied and improved, and a UHPC horizontal seam connection structure with strong shear resistance was proposed. Utility Model Content

[0005] The utility model aims to provide a UHPC horizontal seam connection structure with strong shear resistance to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a UHPC horizontal seam connection structure with strong shear resistance, comprising an upper wall and a connection assembly, wherein a lower wall is connected to the lower part of the upper wall, and a connection cavity is provided at the connection between the upper wall and the lower wall, wherein the connection assembly is arranged inside the connection cavity, and wherein the connection assembly comprises a U-shaped member, a threaded end and a nut, wherein threaded ends are provided at both ends of the U-shaped member, and nuts are threadedly connected to the outer sides of the threaded ends.

[0007] Furthermore, an upper groove is provided at the bottom of the upper wall, and a straight end of a U-shaped piece is provided inside the upper groove.

[0008] Furthermore, an upper through hole is provided inside the upper groove, and the lower part of the upper through hole is communicated with the connecting cavity.

[0009] Furthermore, a lower groove is provided at the top of the lower wall, and a bent end of a U-shaped member is provided inside the lower groove.

[0010] Furthermore, a lower through hole is provided inside the lower groove, and the upper part of the lower through hole is communicated with the connecting cavity.

[0011] Furthermore, the connection cavity is filled with filler, and the filler is a high-strength grouting material.

[0012] Furthermore, a transverse plate is inserted into the outside of the connecting cavity, and the transverse plate and the opening of the connecting cavity are filled with seat mortar.

[0013] Furthermore, an extension rod is fixedly connected to the end of the transverse plate, and two insertion holes matching with the U-shaped piece are opened in the middle of the extension rod.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The utility model inserts the extension rod of the horizontal plate into the connection cavity through the setting of the connection assembly, fills the seat mortar at the opening of the connection cavity for leveling, then passes the U-shaped piece through the two insertion holes in the middle of the extension rod, and tightens and fixes the U-shaped piece at the threaded end of the end by a nut, and then fills the connection cavity with a filler of high-strength grouting material, so that the extension rod and the U-shaped piece are buried in the filler, which not only improves the shear resistance, but also greatly improves the stability of the horizontal plate and the connection strength between the horizontal plate, the upper wall and the lower wall;

[0016] 2. The utility model provides upper grooves for tightening the nuts above the U-shaped piece and lower grooves for inserting the U-shaped piece at the upper and lower ends of the connecting cavity, thereby greatly reducing the difficulty of inserting the U-shaped piece and docking and fixing it with the extension rod, and making the operation easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall external structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall internal structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1, upper wall; 2, upper groove; 3, upper through hole; 4, lower wall; 5, lower groove; 6, lower through hole; 7, connecting cavity; 8, filler; 9, cross plate; 10, seat slurry; 11, extension rod; 12, socket; 13, connecting assembly; 1301, U-shaped piece; 1302, threaded end; 1303, nut. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] like Figures 1 to 3As shown, a UHPC horizontal seam connection structure with strong shear resistance includes an upper wall 1 and a connection component 13. The lower wall 4 is connected to the upper wall 1 below, and a connection cavity 7 is opened at the connection between the upper wall 1 and the lower wall 4. The connection component 13 is arranged inside the connection cavity 7. The connection component 13 includes a U-shaped member 1301, a threaded end 1302 and a nut 1303. The U-shaped member 1301 has threaded ends 1302 at both ends, and the threaded ends 1302 are externally threadedly connected with nuts 1303. The extension rod 11 of the horizontal plate 9 is partially inserted into the U-shaped member 1301. Insert the connecting cavity 7, fill the seat mortar 10 at the opening of the connecting cavity 7 for leveling, then pass the U-shaped piece 1301 through the two insertion holes 12 in the middle of the extension rod 11, and tighten and fix it with the nut 1303 at the threaded end 1302 of the U-shaped piece 1301, and then fill the filling material 8 of high-strength grouting material into the connecting cavity 7, so that the extension rod 11 and the U-shaped piece 1301 are buried in the filling material 8, which not only improves the shear resistance, but also greatly improves the stability of the horizontal plate 9 and the connection strength between the horizontal plate 9, the upper wall 1 and the lower wall 4;

[0023] like Figure 1 and Figure 2 As shown, an upper groove 2 is provided at the bottom of the upper wall 1, and a straight end of a U-shaped member 1301 is provided inside the upper groove 2, an upper through hole 3 is provided inside the upper groove 2, and the lower part of the upper through hole 3 is connected to the connecting cavity 7, a lower groove 5 is provided at the top of the lower wall 4, and a curved end of a U-shaped member 1301 is provided inside the lower groove 5, a lower through hole 6 is provided inside the lower groove 5, and the upper part of the lower through hole 6 is connected to the connecting cavity 7, and upper grooves 2 for tightening the nut 1303 above the U-shaped member 1301 are respectively provided at the upper and lower ends of the connecting cavity 7. , and the lower groove 5 for the U-shaped piece 1301 to be placed, so that the difficulty of placing the U-shaped piece 1301 and docking and fixing it with the extension rod 11 is greatly reduced, and the operation is simpler. The inside of the connecting cavity 7 is filled with filler 8, and the filler 8 is a high-strength grouting material. A cross plate 9 is inserted into the outside of the connecting cavity 7, and the opening of the cross plate 9 and the connecting cavity 7 is filled with seat mortar 10. The end of the cross plate 9 is fixedly connected to the extension rod 11, and the middle of the extension rod 11 is provided with two sockets 12 that match the U-shaped piece 1301.

[0024] Working principle: When using this UHPC horizontal seam connection structure with strong shear resistance, an upper groove 2 for tightening the nut 1303 above the U-shaped piece 1301 and a lower groove 5 for inserting the U-shaped piece 1301 are respectively provided at the upper and lower ends of the connection cavity 7, so that the difficulty of inserting the U-shaped piece 1301 and docking and fixing it with the extension rod 11 is greatly reduced, and the operation is simpler. When in use, the extension rod 11 part of the horizontal plate 9 is inserted into the connection cavity 7, and the opening of the connection cavity 7 is filled with After the seat mortar 10 is leveled, the U-shaped piece 1301 is passed through the two insertion holes 12 in the middle of the extension rod 11, and is tightened and fixed by the nut 1303 at the threaded end 1302 of the U-shaped piece 1301, and then the filler 8 of high-strength grouting material is filled into the connecting cavity 7, so that the extension rod 11 and the U-shaped piece 1301 are buried in the filler 8, which not only improves the shear resistance, but also greatly improves the stability of the cross plate 9 and the connection strength between the cross plate 9, the upper wall 1 and the lower wall 4.

[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A UHPC horizontal seam connection structure with strong shear resistance, characterized in that: The invention comprises an upper wall (1) and a connection component (13), wherein the upper wall (1) is connected to a lower wall (4) below, and a connection cavity (7) is provided at the connection point between the upper wall (1) and the lower wall (4), and the connection component (13) is arranged inside the connection cavity (7), and the connection component (13) comprises a U-shaped member (1301), a threaded end (1302) and a nut (1303), and the U-shaped member (1301) is provided with a threaded end (1302) at both ends, and the threaded end (1303) is provided with a threaded end (1302). (1302) is externally threadedly connected with a nut (1303), the interior of the connecting cavity (7) is filled with a filler (8), and the filler (8) is a high-strength grouting material, the outside of the connecting cavity (7) is plugged with a transverse plate (9), and the opening between the transverse plate (9) and the connecting cavity (7) is filled with a seat mortar (10), the end of the transverse plate (9) is fixedly connected with an extension rod (11), and the middle of the extension rod (11) is provided with two insertion holes (12) that match the U-shaped piece (1301).

2. A UHPC horizontal seam connection structure with strong shear resistance according to claim 1, characterized in that: An upper groove (2) is provided at the bottom of the upper wall (1), and a straight end of a U-shaped piece (1301) is provided inside the upper groove (2).

3. A UHPC horizontal seam connection structure with strong shear resistance according to claim 2, characterized in that: An upper through hole (3) is provided inside the upper groove (2), and the lower part of the upper through hole (3) is connected to the connecting cavity (7).

4. The UHPC horizontal seam connection structure with strong shear resistance according to claim 1 is characterized in that: A lower groove (5) is provided on the top of the lower wall (4), and a bent end of a U-shaped piece (1301) is provided inside the lower groove (5).

5. A UHPC horizontal seam connection structure with strong shear resistance according to claim 4, characterized in that: A lower through hole (6) is provided inside the lower groove (5), and the upper part of the lower through hole (6) is connected to the connecting cavity (7).

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