CN214363496U

CN214363496U - Deep basal pit seepage prevention and cure device

Info

Publication number: CN214363496U
Application number: CN202022684466.1U
Authority: CN
Inventors: 黄�俊; 高超; 周建波; 杨子跃; 布毅; 刘龙飞; 付冬
Original assignee: China Construction Third Engineering Design Co Ltd
Current assignee: China Construction Third Engineering Design Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-10-08
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a deep basal pit seepage control device, including fender apron, pipeline composition, slip casting pipe and drain pipe, slip casting pipe reaches the drain pipe set up in the one side of fender apron, the pipeline composition includes slip casting passageway and drainage channel, slip casting passageway reaches the drainage channel is located keep off the apron and keep away from on the one side of slip casting pipe and drain pipe, the slip casting pipe is last to have seted up the slip casting hole, the drain hole has been seted up on the drain pipe, the slip casting passageway communicates slip casting hole and outside slip casting machine; the drainage channel is communicated with the drainage hole so as to discharge water flow in the side wall of the foundation pit through the drainage channel by utilizing the drainage port. The utility model provides a deep basal pit seepage flow prevention and cure device is through setting up slip casting pipe and drain pipe simultaneously, sends out the interior perpendicular stream of foundation ditch lateral wall in the slip casting to increase the stability of foundation ditch.

Description

Deep basal pit seepage prevention and cure device

Technical Field

The utility model relates to a geotechnical engineering structure technical field especially relates to a deep basal pit seepage flow prevention and cure device.

Background

The foundation pit is a soil pit excavated at a foundation design position according to the base elevation and the base plane size, and with the continuous development of urban construction, the construction of building engineering, municipal engineering and various large-scale engineering is rapidly expanded continuously, so that a large amount of foundation pit engineering is required. Due to the fact that surrounding pipelines of the foundation pit and the side slope are complex, building structures, geological conditions, underground water conditions and other conditions are complex and changeable, disasters such as sand flowing and soil flowing between piles of the supporting piles can often happen, soil bodies behind the supporting system are hollowed, the ground collapses, the stability of the foundation pit is affected, and great threats are caused to life and property safety of the building structures, the pipelines and constructors around the foundation pit.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a deep basal pit seepage flow prevention and cure device solves the problem that the foundation ditch caused the subsidence by geology and groundwater influence.

In order to achieve the above object, the utility model provides a technical scheme of technical problem provides a deep basal pit seepage flow prevention and cure device, include: the grouting pipe and the drain pipe are arranged on one surface of the soil retaining plate and are inserted into the soil retaining plate; the pipeline assembly comprises a grouting channel and a drainage channel, and the grouting channel and the drainage channel are positioned on one surface of the soil retaining plate, which is far away from the grouting pipe and the drainage pipe, and are connected with the soil retaining plate; the grouting pipe is provided with a grouting hole, the drain pipe is provided with a drain hole, and the grouting channel is communicated with the grouting hole and an external grouting machine so as to inject solidification liquid into the side wall of the foundation pit through the grouting hole by using the external grouting machine; the drainage channel is communicated with the drainage hole so as to discharge water flow in the side wall of the foundation pit through the drainage channel by utilizing the drainage port.

Compared with the prior art, the utility model provides a deep basal pit seepage flow prevention and cure device has following beneficial effect:

through in to the foundation ditch lateral wall slip casting solidify the back provide the support to the foundation ditch lateral wall, still utilize the rivers discharge in the drain pipe with the foundation ditch lateral wall, reducible simple utilization slip casting solidifies under the prerequisite, the foundation ditch lateral wall is caused the condition of collapsing by rivers influence to improve the stability of foundation ditch.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Drawings

Fig. 1 is a schematic structural view of a deep foundation pit seepage control device according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the grouting pipe and the drainage pipe in FIG. 1;

FIG. 3 is a schematic structural view of the stopper shown in FIG. 1;

FIG. 4 is a schematic view showing the connection between the grouting pipe and the drain pipe of FIG. 1 and the stopper;

fig. 5 is a schematic view of the position relationship between the fence mechanism and the soil guard plate according to the first embodiment of the present invention;

FIG. 6 is a schematic structural view of the pen structure of FIG. 5;

description of reference numerals: 10. a seepage prevention device for the deep foundation pit; 20. a soil guard plate; 30. the composition of pipelines; 31. grouting a channel; 32. a drainage channel; 40. a grouting pipe; 50. a drain pipe; 41. grouting holes; 51. a drain hole; 21. a stopper; 211. a first plug hole; 212. a second plug hole; 42. a grouting part; 43. grouting the inserting part; 52. a water discharge section; 53. a drainage plug-in part; 60. a fence mechanism; 61. a crown beam; 62. and (7) enclosing piles.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-6, the present invention provides a deep foundation pit seepage control device 10, which comprises a retaining plate 20, a pipeline assembly 30, a grouting pipe 40 and a drain pipe 50, wherein the grouting pipe 40 and the drain pipe 50 are disposed on one side of the retaining plate 20 and are all inserted into the retaining plate 20, the pipeline assembly 30 is disposed on one side of the retaining plate 20 away from the grouting pipe 40 and the drain pipe 50 and is respectively communicated with the grouting pipe 40 and the drain pipe 50. The grouting pipe 40 and the drain pipe 50 are inserted into the side wall of the foundation pit, the pipeline assembly 30 and an external grouting machine are used for providing solidification liquid for the pipeline assembly 30, and the solidification liquid is injected into the side wall of the foundation pit through the grouting pipe 40, so that the foundation pit is reinforced by the solidification liquid. Meanwhile, since the foundation pit is a soil pit excavated at the designed position of the foundation according to the elevation and the plane size of the foundation, the water source may be left to loosen the soil due to the influence of underground water and rain, and the water source in the foundation pit is discharged from the pipeline assembly 30 by the drainage pipe 50, thereby reducing the risk of collapse of the foundation pit.

It can be understood that the grouting machine may be a grouting pump, which provides a solidification liquid to the pipeline assembly 30, and delivers the solidification liquid into the grouting pipe 40, and delivers the solidification liquid into the soil on the sidewall of the foundation pit through the grouting pipe 40 to fix the sidewall of the foundation pit by utilizing the solidification effect of the solidification liquid.

It can be understood that the solidification liquid can be cement paste or water glass, as long as the solidification liquid can be solidified into a solid at normal temperature so as to play a role in supporting the side wall of the foundation pit.

Specifically, the pipeline assembly 30 includes a grouting passage 31 and a drainage passage 32, and the grouting passage 31 and the drainage passage 32 are located on a side of the retaining plate 20 away from the connection with the grouting pipe 40 and the drainage pipe 50, and are connected to the retaining plate 20. The grouting pipe 40 is provided with a grouting hole 41, the drain pipe 50 is provided with a drain hole 51, wherein the grouting passage 31 is communicated with the grouting hole 41 and is mechanically connected with external grouting, and the drain passage 32 is communicated with the drain pipe 50. After the grout pipe 40 and the drain pipe 50 are inserted into the sidewall of the pit, the water in the sidewall of the pit flows into the drain pipe 50 through the drain hole 51 and is discharged through the drain passage 32. Meanwhile, the grouting machine supplies a solidification liquid into the grouting pipe 40 through the grouting passage 31 and inputs the solidification liquid into the sidewall of the foundation pit through the grouting hole 41.

It is understood that the number of the grouting pipes 40 and the number of the drainage pipes 50 are plural, and the grouting pipes 40 and the drainage pipes 50 are disposed on one surface of the soil guard plate 20 and connected to the soil guard plate 20.

It can be understood that the structure and shape of the grouting channel 31 and the drainage channel 32 are respectively adapted to the plurality of grouting pipes 40 and the plurality of drainage pipes 50, that is, the grouting channel 31 simultaneously communicates with the plurality of grouting pipes 40 and the grouting machine, and the drainage channel 32 communicates with the plurality of drainage pipes 50. That is, the grout passages 31 communicate with the grout holes 41 of the plurality of grout pipes 40, and the drain passages 32 communicate with the drain holes 51 of the plurality of drain pipes 50.

Further, the retaining plate 20 includes a plurality of blocks 21, and the plurality of blocks 21 are connected to each other to form the retaining plate 20. The plurality of stoppers 21 are respectively provided with a first inserting hole 211 and a second inserting hole 212 penetrating through the stoppers 21, wherein the grouting pipe 40 is inserted into the first inserting hole 211, and the drainage pipe 50 is inserted into the second inserting hole 212.

Furthermore, slip casting pipe 40 includes slip casting portion 42 and slip casting grafting portion 43, and slip casting portion 42 is connected with slip casting grafting portion 43, and the equidistant division of slip casting hole 41 is on slip casting portion 42, and slip casting grafting portion 43 pegs graft with first spliced eye 211. The drain pipe 50 includes a drain portion 52 and a drain insertion portion 53, the drain portion 52 is inserted into the drain insertion portion 53, the drain holes 51 are equidistantly formed in the drain portion 52, and the drain insertion portion 53 is inserted into the second insertion hole 212.

It is understood that in the present embodiment, the grouting portion 42 is integrally formed with the grouting insertion portion 43, and the drainage portion 52 is integrally formed with the drainage insertion portion 53.

Further, the deep foundation pit seepage control device 10 further comprises a fence mechanism 60, the soil retaining plate 20 is connected with the fence mechanism 60, the grouting pipe 40 and the drain pipe 50 penetrate through the fence mechanism 60 and are inserted into the side wall of the foundation pit, and the foundation pit is reinforced by the fence mechanism 60.

Further, rail mechanism 60 includes guan liang 61 and fender pile 62, and the one end of fender pile 62 is connected with guan liang 61, keeps away from the one end of being connected with guan liang 61 and inserts the foundation ditch bottom, and guan liang 61 and the lateral wall laminating of foundation ditch utilize fender pile 62 and guan liang 61 to carry out supplementary reinforcement to the lateral wall of foundation ditch to earth fills in the foundation ditch bottom when avoiding the foundation ditch to collapse.

Further, the number of the piles 62 is plural, the soil guard plate 20 is connected to the piles 62, gaps exist between the plural piles 62, and the grouting pipe 40 and the drainage pipe 50 penetrate the gaps between the piles 62 to be inserted into the side wall of the foundation pit.

Further, the retaining plate 20 is connected to the spud 62 by expansion bolts.

The utility model provides a deep basal pit seepage flow prevention and cure device 10's theory of use does: after excavation of the foundation pit is completed, the fence mechanism 60 is first set at the sidewall of the foundation pit, then the soil guard plate 20 is attached to the surrounding piles 62, and the grout pipe 40 and the drain pipe 50 are inserted into the sidewall of the foundation pit with the gaps between the surrounding piles 62. A solidification liquid is provided by an external grouting machine, and is sent into the grouting pipe 40 through the grouting channel 31, so that the solidification liquid enters the side wall of the foundation pit from the grouting hole 41. After the solidification liquid is solidified in the side wall of the foundation pit, the side wall of the foundation pit can be supported, and collapse of the side wall of the foundation pit is avoided.

Meanwhile, because the surrounding environments of the positions of the foundation pits are different, water flow is possibly reserved in the soil of the side wall of the foundation pit due to underground water or rain in part of the side wall of the foundation pit. Under the condition that has the rivers in the foundation ditch lateral wall, inject the solidification liquid into the foundation ditch lateral wall alone, can't play fine supporting role, the foundation ditch still has the risk of collapsing, so need utilize drain pipe 50 simultaneously, utilize wash port 51 and drainage channel 32 with the rivers in the foundation ditch lateral wall to discharge to further reduction foundation ditch risk of collapsing.

After the plurality of drainage pipes 50 are inserted into the side wall of the foundation pit, the water flow in the side wall of the foundation pit enters the drainage pipes 50 through the drainage holes 51 provided in the drainage pipes 50 at equal intervals, flows into the drainage channel 32 from the drainage pipes 50, and is finally discharged from the drainage channel 32.

Claims

1. The utility model provides a deep basal pit seepage flow prevention and cure device which characterized in that includes:

the grouting pipe and the drain pipe are arranged on one surface of the soil retaining plate and are inserted into the soil retaining plate;

the pipeline assembly comprises a grouting channel and a drainage channel, and the grouting channel and the drainage channel are positioned on one surface of the soil retaining plate, which is far away from the grouting pipe and the drainage pipe, and are connected with the soil retaining plate;

the grouting pipe is provided with a grouting hole, the drain pipe is provided with a drain hole, and the grouting channel is communicated with the grouting hole and an external grouting machine so as to inject solidification liquid into the side wall of the foundation pit through the grouting hole by using the external grouting machine;

the drainage channel is communicated with the drain hole, so that water flow in the side wall of the foundation pit is drained through the drainage channel by utilizing the drain hole.

2. The deep foundation pit seepage control device of claim 1, wherein:

the slip casting pipe reaches the quantity of drain pipe all is a plurality of, and is a plurality of the slip casting pipe reaches the drain pipe all is located keep off the soil board one side on, and with keep off soil board grafting.

3. The deep foundation pit seepage control device of claim 1, wherein:

the soil guard plate comprises a plurality of stop blocks, and the stop blocks are connected with each other to form the soil guard plate.

4. The deep foundation pit seepage control device of claim 3, wherein:

the plurality of stop blocks are all provided with a first inserting hole and a second inserting hole which penetrate through the soil retaining plate, the grouting pipe is inserted into the first inserting hole, and the drain pipe is inserted into the second inserting hole.

5. The deep foundation pit seepage control device of claim 4, wherein:

the grouting pipe comprises a grouting part and a grouting insertion part, the grouting part is connected with the grouting insertion part, the grouting holes are arranged on the grouting part at equal intervals, and the grouting insertion part is inserted into the first insertion hole;

the drain pipe comprises a drain part and a drain plugging part, the drain part is connected with the drain plugging part, the drain holes are arranged on the drain part at equal intervals, and the drain plugging part is plugged with the second plugging hole.

6. The deep foundation pit seepage control device of claim 1, wherein:

the deep foundation pit seepage control device further comprises a fence mechanism, the soil retaining plate is connected with the fence mechanism, and the grouting pipe and the drain pipe penetrate through the fence mechanism.

7. The deep foundation pit seepage control device of claim 6, wherein:

the fence mechanism comprises a top beam and a surrounding pile, one end of the surrounding pile is connected with the top beam, one end of the surrounding pile is far away from the top beam and is inserted into the bottom of the foundation pit, and the top beam is attached to the side wall of the foundation pit.

8. The deep foundation pit seepage control device of claim 7, wherein:

the quantity of purse seine is a plurality of, the fender soil board is connected in a plurality of on the purse seine.

9. The deep foundation pit seepage control device of claim 8, wherein:

there is the clearance between a plurality of spuds, slip casting pipe and drain pipe run through a plurality of clearances between the spud.

10. The deep foundation pit seepage control device of claim 8, wherein:

the retaining plate is connected with the enclosure pile through expansion bolts.