CN218757415U - Steel pipe sheet pile connects stagnant water structure - Google Patents

Abstract

The utility model discloses a steel pipe sheet pile connects stagnant water structure to be located between two steel pipe sheet piles, including sealing device and elastic sealing bag, elastic sealing bag's opening is fixed in sealing device, and sealing device is equipped with the slip casting mouth, and the slip casting mouth is linked together with elastic sealing bag. Sealing device both had been used for connecting two steel pipe sheet piles, was used for the position of fixed elasticity sealing bag again, made the elasticity sealing bag place between two steel pipe sheet piles, during the grout, partial thick liquid pours into to the elasticity sealing bag through sealing device's slip casting mouth, and the elasticity sealing bag warp according to the space shape between two steel pipe sheet piles to seal the space between two steel pipe sheet piles, prevent the infiltration, improve the closely knit degree of slip casting, improve the water-proof effects of steel pipe sheet pile.

Description

A water-stop structure for steel pipe sheet pile joints

technical field

The utility model belongs to the field of engineering construction, and in particular relates to a water-stopping structure for steel pipe sheet pile joints.

Background technique

During the construction of underground buildings, reinforced sheet piles are commonly used sheet piles for vertical soil retaining and slope protection structures. They are used as temporary support for foundation pits during foundation pit excavation. Finally, it is often used as a permanent structure of underground buildings.

Steel pipe sheet piles are usually connected by joints, and traditional joints include P-P type, P-T type, and L-T type. When the steel pipe sheet pile is used in water, there will be a certain gap when the traditional joint is connected. As shown in Figure 1, the water flows in the direction of the arrow, so the quality of the joint grouting is difficult to guarantee, and the joint leakage problem is serious. In order to solve this problem, it is urgent to develop a water-stopping structure with good water-stopping performance, avoiding the dilution of grouting in water, and ensuring the high-quality steel pipe sheet pile joint water-stopping structure of the grouting column.

Utility model content

The purpose of this utility model is to provide a steel pipe sheet pile joint waterproof structure, which can not only connect two steel pipe sheet piles, but also seal the gap between them, and improve the waterproof effect of the steel pipe sheet pile.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A steel pipe sheet pile joint water-stop structure, the joint water-stop structure is located between two steel pipe sheet piles, including a sealing device and an elastic sealing bag, the opening of the elastic sealing bag is fixed in the sealing device, and the sealing device is provided with a grouting port, The grouting port communicates with the elastic sealing bag.

The sealing device is used not only to connect two steel pipe sheet piles, but also to fix the position of the elastic sealing bag, so that the elastic sealing bag is placed between the two steel pipe sheet piles. When grouting, part of the grout is injected into the Inside the elastic sealing bag, the elastic sealing bag deforms according to the shape of the space between the two steel pipe sheet piles, thereby sealing the gap between the two steel pipe sheet piles, preventing water seepage, improving the grouting density, and improving the waterproof effect of the steel pipe sheet piles .

Further, the sealing device includes an upper sealing plate and a lower sealing plate, and the opening of the elastic sealing bag is fixed between the upper sealing plate and the lower sealing plate. The opening of the elastic sealing bag is fixed by the upper sealing plate and the lower sealing plate to prevent it from falling off during grouting.

Further, the upper sealing plate is provided with a grouting opening, the lower sealing plate is provided with an installation opening, the opening of the elastic sealing bag is located at the installation opening, and the upper sealing plate and the lower sealing plate are fixed by screws. The grouting port communicates with the opening of the elastic sealing bag, and the grout is directly injected into the elastic sealing bag from the grouting port to make it expand and deform. The upper sealing plate and the lower sealing plate are tightly fixed by screws, thereby fixing the position of the elastic sealing bag.

Further, the sealing device includes a fixing bracket, the fixing bracket is provided with fixing bolts, and the fixing bracket and the steel pipe sheet pile are fixed by fixing bolts. The fixing bracket is used to connect the steel pipe sheet pile, and the fixing bolt is used to limit the position of the fixing bracket.

Further, the grouting port can be connected with screws. After the grouting is completed, the grouting port is sealed with screws to prevent water seepage.

Further, the elastic sealing bag is of rubber structure. The elastic sealing bag made of rubber has high elasticity, thick wall, dense and waterproof, and has good water-stop performance.

Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

The waterproof structure of the joint includes a sealing device and an elastic sealing bag. The sealing device is used to connect two steel pipe sheet piles and to fix the position of the elastic sealing bag so that the elastic sealing bag is placed between the two steel pipe sheet piles. , part of the grout is injected into the elastic sealing bag through the grouting port of the sealing device, and the elastic sealing bag deforms according to the shape of the space between the two steel pipe sheet piles, thereby sealing the gap between the two steel pipe sheet piles, preventing water seepage and improving The density of grouting can improve the waterproof effect of steel pipe sheet piles. The sealing device can ensure a dry environment for grouting, improve the quality of grouting, provide pressure space for grouting, and realize high-pressure grouting.

Description of drawings

The utility model will be further described below according to the accompanying drawings.

Figure 1 shows the traditional joints and water flow direction of steel pipe sheet piles;

Fig. 2 is the structural representation of the water-stop structure of the steel pipe sheet pile joint in the utility model;

Fig. 3 is a structural schematic diagram when the joint water-stop structure of steel pipe sheet piles in the utility model is installed between two steel pipe sheet piles;

Fig. 4 is a structural schematic diagram of the water-stop structure of the steel pipe sheet pile joint when the upper sealing plate in Fig. 2 is installed on the lower sealing plate.

Detailed ways

As shown in FIG. 2 and FIG. 3 , the joint water-stop structure of steel pipe sheet piles is located between two steel pipe sheet piles 10 . As shown in Figure 4, the joint waterproof structure includes a sealing device and an elastic sealing bag 1, the sealing device includes an upper sealing plate 2 and a lower sealing plate 3, the upper sealing plate 2 is provided with a grouting port 4, and the lower sealing plate 3 is provided with a mounting Port 5, the opening 6 of the elastic sealing bag 1 is located at the installation port 5, the upper sealing plate 2 and the lower sealing plate 3 are fixed by screws 9, the opening 6 of the elastic sealing bag 1 is fixed between the upper sealing plate 2 and the lower sealing plate 3 .

The bottom of the lower sealing plate 3 is provided with a fixed bracket 7, and the fixed bracket 7 is provided with a fixed bolt 8, and the fixed bracket 7 and the steel pipe sheet pile 10 are fixed by the fixed bolt 8. The fixing bracket 7 is used to connect the steel pipe sheet pile 10 , and the fixing bolt 8 is used to limit the position of the fixing bracket 7 . The grouting port 4 can be connected with a screw 9 . After the grouting was completed, the grouting port 4 was sealed with a screw 9 to prevent water seepage. The elastic sealing bag 1 is of rubber structure. Elastic sealed bag made of rubber 1 has high elasticity, thick wall, dense and waterproof, and good water-stop performance.

The sealing device is used not only to connect two steel pipe sheet piles 10, but also to fix the position of the elastic sealing bag 1, so that the elastic sealing bag 1 is placed between the two steel pipe sheet piles 10. When grouting, part of the grout passes through the injection of the sealing device. The grout 4 is injected into the elastic sealing bag 1, and the elastic sealing bag 1 is deformed according to the shape of the space between the two steel pipe sheet piles 10, thereby sealing the gap between the two steel pipe sheet piles 10, preventing water seepage, and improving the grouting density degree, and improve the waterproof effect of the steel pipe sheet pile 10.

When installing the waterproof structure of the joint, first put the elastic sealing bag 1 into the installation port 5 of the lower sealing plate 3, install the upper sealing plate 2 and tighten the screw 9, and fix the opening 6 of the elastic sealing bag 1 on the upper sealing plate 2 and the lower sealing plate 3, then align the fixing bracket 7 of the joint water-stop structure with the installation hole of the steel pipe sheet pile 10, and then tighten the fixing bolt 8. During grouting, the grout is injected into the elastic sealing bag 1 from the grouting port 4, and the elastic sealing bag 1 contacts the steel pipe sheet piles 10 on both sides after expanding and deforms. After the grouting is completed, the grouting port 4 is sealed with a screw 9 .

The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are covered by the protection scope of the utility model.

Claims (6)

1. The utility model provides a steel pipe sheet pile connects stagnant water structure, connect stagnant water structure to be located two between the steel pipe sheet pile, its characterized in that: the sealing device is characterized by comprising a sealing device and an elastic sealing bag, wherein an opening of the elastic sealing bag is fixed in the sealing device, the sealing device is provided with a grouting opening, and the grouting opening is communicated with the elastic sealing bag.

2. The steel pipe sheet pile joint water stop structure according to claim 1, characterized in that: the sealing device comprises an upper sealing plate and a lower sealing plate, and the opening of the elastic sealing bag is fixed between the upper sealing plate and the lower sealing plate.

3. The steel pipe sheet pile joint sealing structure of claim 2, wherein: the upper sealing plate is provided with the grouting opening, the lower sealing plate is provided with a mounting opening, the opening of the elastic sealing bag is positioned at the mounting opening, and the upper sealing plate and the lower sealing plate are fixed through screws.

4. The steel pipe sheet pile joint water stop structure according to claim 1, characterized in that: the sealing device comprises a fixing support, the fixing support is provided with a fixing bolt, and the fixing support and the steel pipe sheet pile are fixed through the fixing bolt.

5. The steel pipe sheet pile joint water stop structure according to claim 1, characterized in that: the grouting opening can be connected with a screw.

6. The steel pipe sheet pile joint water stop structure according to claim 1, characterized in that: the elastic sealing bag is of a rubber structure.

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