Anti-seepage spliced channel steel sheet pile for foundation pit supporting

Abstract

The utility model relates to the technical field of foundation pit supporting, in particular to an anti-seepage splicing type channel steel sheet pile for foundation pit supporting, which comprises a plurality of mutually spliced steel sheet pile bodies, a first lug and a second lug are respectively arranged on two sides of each steel sheet pile body, and the first lug and the second lug are identical in structure. The first lug seat and the second lug seat are respectively provided with a C-shaped end; a plurality of sealing grooves are formed in the C-shaped end of the first lug and evenly distributed in the extending direction of the C-shaped end, and sealing blocks matched with the sealing grooves are arranged at the C-shaped end of the second lug. By arranging the sealing grooves and the sealing blocks matched with the sealing grooves, after the two steel sheet pile bodies are spliced, water is effectively prevented from entering a gap in the splicing position of the steel sheet pile bodies, and the water seepage prevention effect of the steel sheet pile is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foundation pit support technical field, concretely is a kind of anti-seep spliced channel steel sheet pile for foundation pit support. BACKGROUND

[0002] Foundation pit support, to ensure the safety of underground structure construction and the environment around foundation pit, the support, reinforcement and protection measures used to foundation pit side wall and surrounding environment, foundation construction must carry out geological exploration and understand underground pipeline situation before, according to soil condition and foundation depth special construction scheme is prepared.According to the actual situation of construction site, it can guide the actual construction.The content includes: the requirement of slope or support structure design, mechanical type selection, excavation sequence and stratified excavation depth, ramp position, pit side load, vehicle access road, dewatering and drainage measures and monitoring requirements etc.Corresponding measures should be taken for important underground pipeline.

[0003] The foundation pit support device is spliced by multiple steel sheet piles during use, and there is a gap between the two adjacent steel sheet piles after splicing, so that water in the foundation pit continuously seeps out from the gap between the steel sheet piles, which affects the anti-seep effect of the foundation pit support device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of anti-seep spliced channel steel sheet pile for foundation pit support to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of anti-seep spliced channel steel sheet pile for foundation pit support, including multiple mutually spliced steel sheet pile bodies, the two sides of the steel sheet pile body are respectively provided with first ear seat and second ear seat, first ear seat and second ear seat are same in structure, and first ear seat and second ear seat both have C-shaped end head;The C-shaped end head of the first ear seat is provided with several sealing grooves, and the several sealing grooves are evenly arranged along the extension direction of C-shaped end head, and the C-shaped end head of the second ear seat is provided with sealing block matched with the sealing groove.

[0007] As a further scheme of the utility model: the inside of the sealing groove is provided with first sealing pad, and the first sealing pad is made of elastic waterproof material.

[0008] As a further scheme of the utility model: the sealing groove is semicircular, rectangular or triangular.

[0009] As a further scheme of the utility model: the first lug and the second lug are provided with a plurality of mounting holes, the mounting hole position of the first lug corresponds to the mounting hole position of the second lug, one side of the second lug is provided with a mounting seat, and the other side of the second lug is provided with a connecting bolt matched with the mounting seat.

[0010] As a further scheme of the utility model: the connecting position of the mounting seat and the second lug is further provided with a second sealing gasket.

[0011] As a further scheme of the utility model: the upper and lower sides of the C-shaped end of the first lug and the second lug are provided with water storage grooves, the outer side of the second lug is uniformly provided with a plurality of water seepage holes, the water seepage holes are communicated with the water storage grooves, and the upper end of the water storage groove is open.

[0012] As a further scheme of the utility model: the inside of the water storage groove is provided with a screw sleeve matched with the connecting bolt.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the utility model is formed by splicing a plurality of steel sheet pile bodies to form a foundation pit support structure, the two sides of the steel sheet pile body are provided with a first lug and a second lug, the first lug and the second lug have C-shaped ends, a plurality of sealing grooves are arranged at the C-shaped end of the first lug, a sealing block matched with the sealing groove is arranged at the C-shaped end of the second lug, when two adjacent steel sheet pile bodies are spliced, the first lug of one steel sheet pile body is butted with the second lug of the other steel sheet pile body, the sealing block of the second lug is clamped into the inside of the sealing groove of the first lug, the sealing groove and the matched sealing block are arranged, so that the two steel sheet pile bodies are spliced to effectively block the water from entering the gap of the splicing position of the steel sheet pile body, and the water seepage prevention effect of the steel sheet pile is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Structure diagram of the anti-seepage splicing type channel steel sheet pile for foundation pit support Figure 1 .

[0015] Figure 2 Structure diagram of the anti-seepage splicing type channel steel sheet pile for foundation pit support Figure 2 .

[0016] Figure 3 Structure diagram of the anti-seepage splicing type channel steel sheet pile for foundation pit support

[0017] Figure 4 Structure diagram of the anti-seepage splicing type channel steel sheet pile for foundation pit support

[0018] Figure 5 For Figure 4A local enlarged view at the middle A.

[0019] Figure 6 A plan view of the second ear seat and the mounting seat, and the connecting bolt during installation in the anti-seepage spliced channel steel sheet pile for foundation pit support.

[0020] In the figure: 10-steel sheet pile body, 11-second ear seat, 111-water storage tank, 112-sleeve, 113-sealing groove, 1131-first sealing gasket, 12-first ear seat, 13-seepage hole, 14-mounting hole, 15-mounting seat, 151-second sealing gasket, 16-connecting bolt. DETAILED DESCRIPTION

[0021] 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.

[0022] Please refer to Figures 1-6 In the embodiments of the utility model, an anti-seepage spliced channel steel sheet pile for foundation pit support comprises a plurality of mutually spliced steel sheet pile bodies 10, the two sides of the steel sheet pile body 10 are respectively provided with a first ear seat 12 and a second ear seat 11, the first ear seat 12 and the second ear seat 11 are of the same structure, and the first ear seat 12 and the second ear seat 11 both have C-shaped end heads. Figure 3 It should be noted that the steel sheet pile body 10 in the embodiment is made of channel steel, specifically, the steel sheet pile body 10 is made of C-shaped channel steel.

[0023] In the embodiments of the utility model, as shown in Figures 4-6 The C-shaped end head of the first ear seat 12 is provided with a plurality of sealing grooves 113, the plurality of sealing grooves 113 are evenly arranged along the extension direction of the C-shaped end head, and correspondingly, the C-shaped end head of the second ear seat 12 is provided with sealing blocks matched with the sealing grooves 113.

[0024] Further, in the embodiment of the present application, the inside of the sealing groove 113 is provided with a first sealing pad 1131 made of elastic waterproof material. During the splicing of the two steel sheet pile bodies 10, the sealing block is clamped into the inside of the sealing groove 113 of the first lug 12, the sealing block extrudes the first sealing pad 1131, the first sealing pad 1131 fills the gap between the sealing block and the sealing groove 113, and the water-proof effect of the steel sheet pile is further improved. It should be noted that the shape of the sealing groove 113 is not limited in the embodiment, and the shape of the sealing groove 113 is only schematically shown in the figure. In practice, the sealing groove 113 can be semicircular, rectangular or triangular.

[0025] In the embodiment of the present application, a plurality of mounting holes 14 are formed on the first lug 12 and the second lug 11, the positions of the mounting holes 14 on the first lug 12 correspond to the positions of the mounting holes 14 on the second lug 11, one side of the second lug 11 is provided with a mounting seat 15, the other side of the second lug 11 is provided with a connecting bolt 16 matched with the mounting seat 15, during the splicing of the two steel sheet pile bodies 10, the connecting bolt 16 is connected with the mounting seat 15 after passing through the mounting holes 14 of the second lug 11 and the mounting holes 14 of the first lug 12, so that the two steel sheet pile bodies 10 are stably connected, and during the installation of the connecting bolt 16, the first lug 12 and the second lug 11 are extruded to each other, so that the first sealing pad 1131 is further deformed, thereby improving the water-proof effect of the steel sheet pile. In addition, it should be noted that the connection between the mounting seat 15 and the second lug 11 is also provided with a second sealing pad 151.

[0026] Please refer to 4 and Figure 5 , the upper and lower sides of the C-shaped end of the first lug 12 and the second lug 11 are provided with water storage grooves 111, the outer side of the second lug 11 is uniformly provided with a plurality of water permeation holes 13, the water permeation holes 13 are communicated with the water storage grooves 111, the upper end of the water storage groove 111 is open, when the water permeation amount suddenly increases during the foundation pit support, the water flow enters the inside of the water storage groove 111 through the water permeation holes 13 for storage, so as to avoid the continuous permeation of the water flow into the connection part of the two steel sheet pile bodies 10, and the water flow in the inside of the water storage groove 111 evaporates in a natural state.

[0027] In addition, in the embodiment, the inside of the water storage groove 111 is provided with a screw sleeve 112 matched with the connecting bolt 16, the screw sleeve 112 is used for protecting the connecting bolt 16 and blocking the water flow from entering the connection part of the connecting bolt 16 and the first lug 12.

[0028] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0029] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A type of anti-seepage spliced ​​channel steel sheet pile for foundation pit support, characterized in that, The system includes multiple interconnected sheet pile bodies (10). A first ear seat (12) and a second ear seat (11) are respectively provided on both sides of the sheet pile body (10). The first ear seat (12) and the second ear seat (11) have the same structure, and both the first ear seat (12) and the second ear seat (11) have C-shaped ends. Several sealing grooves (113) are provided at the C-shaped ends of the first ear seat (12). The several sealing grooves (113) are evenly distributed along the extension direction of the C-shaped ends. A sealing block that cooperates with the sealing grooves (113) is provided at the C-shaped ends of the second ear seat (12).

2. The anti-seepage spliced ​​channel steel sheet pile for foundation pit support according to claim 1, characterized in that, The sealing groove (113) is provided with a first sealing gasket (1131), which is made of elastic waterproof material.

3. The anti-seepage spliced ​​channel steel sheet pile for foundation pit support according to claim 2, characterized in that, The sealing groove (113) is semi-circular, rectangular or triangular.

4. The anti-seepage spliced ​​channel steel sheet pile for foundation pit support according to claim 1, characterized in that, Both the first ear seat (12) and the second ear seat (11) are provided with a plurality of mounting holes (14). The positions of the mounting holes (14) on the first ear seat (12) correspond to the positions of the mounting holes (14) on the second ear seat (11). A mounting base (15) is installed on one side of the second ear seat (11), and a connecting bolt (16) that mates with the mounting base (15) is provided on the other side of the second ear seat (11).

5. The anti-seepage spliced ​​channel steel sheet pile for foundation pit support according to claim 4, characterized in that, A second sealing gasket (151) is also provided at the connection between the mounting base (15) and the second ear seat (11).

6. The anti-seepage spliced ​​channel steel sheet pile for foundation pit support according to claim 4, characterized in that, Water storage tanks (111) are provided on both the upper and lower sides of the C-shaped ends of the first ear seat (12) and the second ear seat (11). A number of seepage holes (13) are evenly arranged on the outer side of the second ear seat (11). The seepage holes (13) are connected to the water storage tank (111). The upper end of the water storage tank (111) is open.

7. The anti-seepage spliced ​​channel steel sheet pile for foundation pit support according to claim 6, characterized in that, The water storage tank (111) is provided with a threaded sleeve (112) that mates with the connecting bolt (16).

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