CN216198140U

CN216198140U - Grout-stopping anti-seepage segment

Info

Publication number: CN216198140U
Application number: CN202122365463.6U
Authority: CN
Inventors: 张佑波; 张韧; 张思虎
Original assignee: Nanjing Tianjie Environmental Protection Building Materials Co ltd
Current assignee: Nanjing Tianjie Environmental Protection Building Materials Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-05
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to the technical field of duct pieces, in particular to a slurry-stopping and seepage-preventing duct piece. The technical scheme is as follows: the pipe edge structure comprises a pipe body and a pipe edge fixedly connected to the upper portion of the pipe body, wherein a grouting groove is formed in the side face of the pipe body, the grouting groove is not overlapped with the center of the pipe body, a main drainage groove used for draining liquid is formed in the middle of the outer ring face of the pipe edge, the main drainage grooves among the pipe edges are in butt joint end to end, and the pipe edge on the pipe edge located at the outermost end is communicated with a drainage channel. This application is through the design of slip casting groove, can make the thick liquid pour into the clearance department of adjacent pipe shaft, through the design of the ring center misalignment of slip casting groove and pipe shaft, make the slip casting groove have great difference in height, make the thick liquid can fill up whole slip casting groove fast effectively under the action of gravity, through the design of ending the thick liquid mouth, can follow a thick liquid mouth department and spill over partly after filling up whole slip casting groove when the thick liquid, thereby can externally determine the thick liquid and fill up the clearance of pipe shaft.

Description

Grout-stopping anti-seepage segment

Technical Field

The utility model relates to the technical field of duct pieces, in particular to a slurry-stopping and seepage-preventing duct piece.

Background

The duct piece is used as a temporary supporting device for TBM excavation in the tunneling process and can also be used as a permanent supporting device for the tunnel. The section of jurisdiction is when the lining cutting, passes through the bolt combination with a plurality of sections of jurisdiction along tunnel anchor ring direction and be single ring section of jurisdiction, then constitutes whole section of jurisdiction net by the polylith section of jurisdiction again along tunnel direction with every ring section of jurisdiction, and the later stage needs to fill beans gravel and slip casting between section of jurisdiction and cliff, makes cliff and section of jurisdiction constitute a whole, and the section of jurisdiction can play the local unstability rock mass of support this moment, resists external rock pressure, groundwater pressure, keeps the effect of type of a cave. When the existing duct piece is used for grouting, the grouting condition of each duct piece is difficult to observe externally, namely whether the gap of the duct piece is completely filled with grout or not is difficult to determine externally, so that the grout stopping time is difficult to grasp.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a slurry-stopping anti-seepage segment aiming at the problems in the background technology.

The technical scheme of the utility model is as follows: a grout-stopping anti-seepage segment comprises a tube body and a tube edge fixedly connected to the upper portion of the tube body, wherein a grouting groove is formed in the side face of the tube body, the grouting groove is not overlapped with the ring center of the tube body, a main drainage groove for drainage is formed in the middle of the outer ring face of the tube edge, the main drainage grooves among the tube edges are in butt joint end to end, and the tube edge on the outermost tube edge is communicated with a drainage channel.

Preferably, a pair of clamping grooves is formed in the outer annular surface of the pipe edge, and clamping strips which can be clamped and connected with the clamping grooves are fixedly connected to the inner annular surface of the pipe body.

Preferably, both ends of the outer ring surface of the pipe edge are provided with drainage grooves which can be communicated with the clamping grooves, and blocking walls used for blocking both ends of the clamping strips are arranged at the joint of the drainage grooves and the clamping grooves.

Preferably, the outer ring surface of the pipe edge is provided with a communicating groove, and the communicating groove is communicated with the clamping groove and the main drainage groove simultaneously.

Preferably, the inner ring surface of the pipe body is provided with a grout stop port, and the grout stop port is communicated with one end of the grouting groove.

Preferably, an end of the drainage fine groove communicates with an end of the tube rim.

Preferably, both ends of the pipe body are fixedly connected with water stop strips for preventing leakage.

Compared with the prior art, the utility model has the beneficial effects that:

(1): the design of the grouting grooves enables grout to be injected into the gaps of the adjacent pipe bodies, the grouting grooves are not overlapped with the centers of the pipe bodies, so that the grouting grooves have large height difference, the grout can quickly and effectively fill the whole grouting grooves under the action of gravity, and through the design of the grout stopping ports, a part of the grout can overflow from the grout stopping ports after the whole grouting grooves are filled with the grout, so that whether the grout fills the gaps of the pipe bodies can be determined externally;

(2): through the design of the main drainage channel, rainwater can be guided into the drainage channel, and the leakage phenomenon caused by rainwater butt joint is prevented;

(3): this application can block in the draw-in groove with card strip card when two sections of jurisdiction pile up from top to bottom through the design of draw-in groove and card strip to the section of jurisdiction that piles up from top to bottom makes is more stable and can not skid and collapse, has increased the convenience that the section of jurisdiction was stored.

Drawings

FIG. 1 is a schematic diagram of the structure of one embodiment of the present invention;

fig. 2 is a bottom structure diagram of the pipe body in fig. 1.

Reference numerals: 1. a tube body; 2. a pipe edge; 3. a card slot; 4. a drainage fine groove; 5. a retaining wall; 6. a main drainage tank; 7. a communicating groove; 8. grouting grooves; 9. a water stop bar; 10. clamping the strip; 11. a grout stopping port.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-2, the grout-stopping impermeable segment provided by the utility model comprises a tube body 1 and a tube edge 2 fixedly connected to the upper part of the tube body 1, wherein a grouting groove 8 is formed in the side surface of the tube body 1, the grouting groove 8 is not overlapped with the ring center of the tube body 1, a main drainage groove 6 for drainage is formed in the middle of the outer ring surface of the tube edge 2, the main drainage grooves 6 between the single tube edges 2 are butted end to end, and the tube edge 2 on the outermost tube edge 2 is communicated with a drainage channel. The inner ring surface of the pipe body 1 is provided with a grout stop port 11, and the grout stop port 11 is communicated with one end of the grouting groove 8. Both ends of the pipe body 1 are fixedly connected with water stop bars 9 for preventing leakage.

In this embodiment, during the slip casting, the thick liquid is poured into the slip casting groove 8 in adjacent pipe shaft 1 clearance department, because slip casting groove 8 does not coincide with the center of circle of pipe shaft 1 for slip casting groove 8 has great difference in height on pipe shaft 1, make the thick liquid that flows along pipe shaft 1 can fill up whole slip casting groove 8 fast effectively under the action of gravity, grout stop 11 is located the low end position of slip casting groove 8, can spill over partly from grout stop 11 after filling up whole slip casting groove 8, thereby can externally determine whether the clearance of pipe shaft 1 has been filled up to the thick liquid. Through the design of main drainage groove 6, can prevent the seepage phenomenon that the rainwater butt joint leads to with in the rainwater direction drain.

Example two

Compared with the first embodiment, the present embodiment further includes: a pair of clamping grooves 3 are formed in the outer annular surface of the pipe edge 2, and clamping strips 10 which can be clamped and connected with the clamping grooves 3 are fixedly connected to the inner annular surface of the pipe body 1. Both ends of the outer ring surface of the pipe edge 2 are provided with drainage grooves 4 which can be communicated with the clamping grooves 3, and the joint of the drainage grooves 4 and the clamping grooves 3 is provided with blocking walls 5 which are used for blocking both ends of the clamping strips 10. The end of the drain fine groove 4 communicates with the end of the pipe flange 2.

In this embodiment, through the design of draw-in groove 3 and card strip 10, can pile up the time slot 3 with card strip 10 card when two sections of jurisdiction from top to bottom to the section of jurisdiction that piles up from top to bottom makes is more stable and can not skid and collapse, has increased the convenience that the section of jurisdiction was stored.

EXAMPLE III

Compared with the second embodiment, the present embodiment further includes: the outer annular surface of the pipe edge 2 is provided with a communication groove 7, and the communication groove 7 is simultaneously communicated with the clamping groove 3 and the main drainage groove 6, thereby increasing a drainage path and improving drainage efficiency.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a stop thick liquid prevention of seepage section of jurisdiction, includes pipe shaft (1) and fixed connection in pipe reason (2) on pipe shaft (1) upper portion, its characterized in that: the pipe edge structure is characterized in that a grouting groove (8) is formed in the side face of the pipe body (1), the grouting groove (8) is not overlapped with the center of the pipe body (1), a main drainage groove (6) for draining is formed in the middle of the outer ring face of the pipe edge (2), the main drainage grooves (6) between the pipe edges (2) are in butt joint end to end, and the pipe edge (2) on the pipe edge (2) located at the outermost end is communicated with a drainage channel.

2. The grout-stopping and seepage-proofing pipe piece according to claim 1, wherein a pair of clamping grooves (3) are formed in the outer annular surface of the pipe edge (2), and clamping strips (10) which can be clamped and connected with the clamping grooves (3) are fixedly connected to the inner annular surface of the pipe body (1).

3. The segment as claimed in claim 2, wherein both ends of the outer annular surface of the tube rim (2) are provided with drainage slots (4) capable of communicating with the locking grooves (3), and the junction between the drainage slots (4) and the locking grooves (3) is provided with retaining walls (5) for retaining both ends of the locking strips (10).

4. The segment as claimed in claim 2, wherein the outer circumferential surface of the tube rim (2) is provided with a communication groove (7), and the communication groove (7) is communicated with the clamping groove (3) and the main drainage groove (6) at the same time.

5. The grout-stopping and seepage-proofing pipe piece according to claim 1, wherein a grout-stopping opening (11) is formed in the inner annular surface of the pipe body (1), and the grout-stopping opening (11) is communicated with one end of the grouting groove (8).

6. A grout-stop pipe sheet according to claim 3, wherein the end of said drainage slot (4) is in communication with the end of the pipe rim (2).

7. The grout-stopping and seepage-proofing pipe piece according to claim 1, wherein both ends of the pipe body (1) are fixedly connected with a water-stopping strip (9) for preventing seepage.