CN212177172U - Subway construction waterproof construction - Google Patents

Abstract

The utility model relates to a subway construction technical field, more specifically say, relate to a subway construction waterproof construction. The waterproof structure is arranged above the supporting bottom plate through a clamping groove, the fixing anchor rod penetrates through the inside of the supporting bottom plate, and the fastening nut is arranged at one end of the fixing anchor rod through threads; the pressure reducing plate is laid below the supporting bottom plate, the fixing block is welded below the pressure reducing plate, and the expansion fixing rod penetrates through the supporting bottom plate, the pressure reducing plate and the fixing block; the connecting nut is installed at one end of the expansion fixing rod through threads, and the injection opening is welded at one end of the expansion fixing rod. This structural installation sets up stability height, and water-proof effects is good, and easy dismounting. The utility model discloses mainly be applied to in the aspect of subway tunnel waterproof construction.

Description

Subway construction waterproof construction

Technical Field

The utility model relates to a subway construction technical field, more specifically say, relate to a subway construction waterproof construction.

Background

As is well known, the construction of subway lines is inside the whole city, and the underground construction of the city can effectively link the above-ground travel pressure, but the subway construction is in the underground environment, so the staff need to fully pay attention to the application of waterproof technology, so the quality of waterproof engineering development is closely related to the quality of the whole subway construction, but the existing subway construction waterproof structure still has the defects of complex installation process, poor waterproof effect and easy water seepage.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of existence among the above-mentioned prior art, the utility model provides a subway waterproof construction, this structure is easily built, supports stably and water-proof effects is good.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides a subway construction waterproof construction, includes supporting baseplate and waterproof construction, waterproof construction sets up in the supporting baseplate top, run through on the supporting baseplate and insert and be equipped with the inflation dead lever, run through on the waterproof construction and insert and be equipped with fixed stock.

And a pressure reducing plate is laid below the supporting bottom plate.

And a fixed block is arranged at the bottom of the pressure reducing plate at a position corresponding to the expansion fixed rod.

The waterproof structure comprises a plastic waterproof plate, a geotextile buffer layer and two lining formwork concretes, wherein the plastic waterproof plate is bonded on the inner side of the geotextile buffer layer, and the two lining formwork concretes are bonded on the outer side of the geotextile buffer layer.

The fixed anchor rod is fixed on the waterproof structure through a fastening nut.

The expansion fixing rod is in threaded connection with the supporting bottom plate through a connecting nut, and an injection opening is formed in the top end of the expansion fixing rod.

The expansion fixing rod is made of hollow metal tubes, and holes which are uniformly arranged are formed in the surface of the expansion fixing rod and communicated with the injection opening.

The pressure reducing plate is a one-piece stainless steel metal plate.

The plastic waterproof board is a plastic board made of PVC material.

And sealing the seam between the geotextile buffer layer and the support bottom plate.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

the arrangement of the pressure reducing plate is beneficial to reducing the pressure generated by the heavy weight above the pressure reducing plate, and the phenomenon that the adjacent waterproof structures deviate due to downward inserting of the utility model caused by downward force from above is prevented; the novel expansion fixing rod is favorable for extruding concrete from the hole on the surface of the expansion fixing rod by injecting the concrete, and the contact between the concrete and the ground is increased after the concrete is solidified, so that the stability is increased; the plastic waterproof board is favorable for preventing the moisture on the outer side from entering deeply, and danger is generated due to the intervention of water in the process of machining. The device supports stably, and water-proof effects is good, is applicable to the subway tunnel of any size.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of the expansion anchor rod portion of the present invention;

FIG. 3 is an enlarged schematic view taken at A in FIG. 1;

in the figure: the concrete injection mold comprises a supporting bottom plate 1, a waterproof structure 2, a plastic waterproof plate 21, a geotextile buffer layer 22, two lining mold-built concrete 23, a fixing anchor rod 3, a fastening nut 4, a pressure reducing plate 5, a fixing block 6, an expansion fixing rod 7, a hole 71, a connecting nut 8 and an injection opening 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, a subway construction waterproof construction, including supporting baseplate 1 and waterproof construction 2, waterproof construction 2 sets up in supporting baseplate 1 top, fix in the top of supporting baseplate 1 through the mode of draw-in groove installation, push waterproof construction 2 inwards through the recess, form a circular space, it is equipped with expansion fixing rod 7 to run through to insert on the supporting baseplate 1, squeeze into ground fixing device through expansion fixing rod 7, and squeeze into the concrete inwards and make the concrete extrude from expansion fixing rod 7, increase its contact with the soil after solidifying, increase stability, it is equipped with fixed stock 3 to run through to insert on the waterproof construction 2, fixed stock 3 pastes the device tight tunnel wall.

Preferably, a pressure reducing plate 5 is laid below the supporting bottom plate 1, irregular stainless steel metal wires are welded on two sides of the pressure reducing plate 5, the length of the pressure reducing plate 5 is consistent with that of the supporting bottom plate 1, the width of the pressure reducing plate is consistent with that of the maximum width of the water discharging structure 2, and pressure generated by heavy weight above the pressure reducing plate is reduced.

Preferably, the bottom of the pressure reducing plate 5 is provided with a fixing block 6 at a position corresponding to the expansion fixing rod 7, the fixing block 6 provides stability for the expansion fixing rod 7, and the expansion fixing rod 7 penetrates through the supporting base plate 1, the pressure reducing plate 5 and the fixing block 6.

Preferably, as shown in fig. 3, the waterproof structure 2 includes a plastic waterproof board 21, a geotextile buffer layer 22 and two lining form concretes 23, the plastic waterproof board 21 is bonded on the inner side of the geotextile buffer layer 22, the two lining form concretes 23 are bonded on the outer side of the geotextile buffer layer 22, and the geotextile buffer layer 22 is beneficial to enhancing the bearing capacity of the structure.

Preferably, the fixing anchor 3 is fixed to the waterproof structure 2 by a fastening nut 4.

Preferably, the expansion fixing rod 7 is in threaded connection with the support base plate 1 through a connecting nut 8, and an injection port 9 is arranged at the top end of the expansion fixing rod 7.

Preferably, as shown in fig. 2, the expansion fixing rod 7 is a hollow metal tube, and the surface of the expansion fixing rod 7 is provided with holes 71 which are uniformly arranged, and the holes 71 are communicated with the injection port 9.

Preferably, the pressure reducing plate 5 is a one-piece stainless steel metal plate.

Preferably, the plastic waterproof board 21 is made of a plastic board made of PVC materials, the surface of the plastic waterproof board 21 is smooth and has no sharp protrusion, the joints of the plastic waterproof boards 21 are staggered, and the surface nailing positions are uniform.

Preferably, the seam between the geotextile buffer layer 22 and the support base plate 1 is sealed, and the geotextile buffer layer 22 is of a circular arc-shaped concrete waterproof structure supported by geotextile mixed concrete.

The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.

Claims (10)

1. The utility model provides a subway construction waterproof construction which characterized in that: including supporting baseplate (1) and waterproof construction (2), waterproof construction (2) set up in supporting baseplate (1) top, run through on supporting baseplate (1) and insert and be equipped with inflation dead lever (7), run through on waterproof construction (2) and insert and be equipped with fixed stock (3).

2. The subway construction waterproof structure of claim 1, wherein: and a pressure reducing plate (5) is paved below the supporting bottom plate (1).

3. The subway construction waterproof structure as claimed in claim 2, wherein: and a fixing block (6) is arranged at the bottom of the pressure reducing plate (5) at a position corresponding to the expansion fixing rod (7).

4. The subway construction waterproof structure of claim 1, wherein: the waterproof structure (2) comprises a plastic waterproof plate (21), a geotextile buffer layer (22) and two lining formwork concretes (23), the plastic waterproof plate (21) is bonded on the inner side of the geotextile buffer layer (22), and the two lining formwork concretes (23) are bonded on the outer side of the geotextile buffer layer (22).

5. The subway construction waterproof structure of claim 1, wherein: the fixed anchor rod (3) is fixed on the waterproof structure (2) through a fastening nut (4).

6. The subway construction waterproof structure of claim 1, wherein: the expansion fixing rod (7) is in threaded connection with the supporting bottom plate (1) through a connecting nut (8), and an injection opening (9) is formed in the top end of the expansion fixing rod (7).

7. The subway construction waterproof structure of claim 6, wherein: the expansion fixing rod (7) is a hollow metal tube, holes (71) are uniformly arranged on the surface of the expansion fixing rod (7), and the holes (71) are communicated with the injection port (9).

8. The subway construction waterproof structure as claimed in claim 2, wherein: the pressure reducing plate (5) is a whole stainless steel metal plate.

9. The subway construction waterproof structure of claim 4, wherein: the plastic waterproof board (21) is a plastic board made of PVC material.

10. The subway construction waterproof structure of claim 4, wherein: and sealing the seam between the geotextile buffer layer (22) and the support bottom plate (1).

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