CN220246956U

CN220246956U - Underground junction foundation pit structure

Info

Publication number: CN220246956U
Application number: CN202321804304.4U
Authority: CN
Inventors: 时于延; 周典海; 王晶晶
Original assignee: Anhui Yekuang Construction Engineering Co ltd
Current assignee: Anhui Yekuang Construction Engineering Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2023-12-26
Anticipated expiration: 2033-07-11

Abstract

The application discloses underground junction foundation pit structure relates to underground junction foundation pit field, include: the base layer, the top rectangular array of base layer has first bib, just the inboard interval of first bib is provided with the second bib, the inner chamber interval of second bib is provided with the first post that encircles that is used for carrying out the reinforcement, a plurality of strengthening columns have been pour to the outside interval of first post that encircles. Through set up first bib and second bib at the top interval of basic unit to be convenient for support the wall of foundation ditch and consolidate, and consolidate first bib and second bib through the reinforcement layer that sets up between first bib and the second bib and handle, simultaneously, waterproof layer and the filling layer that set up through first bib inner wall are convenient for increase the waterproof degree of foundation ditch, simultaneously through the first loop column, second loop column and the linking post that set up inside the device, be convenient for consolidate the device once more, thereby increase the firm degree of foundation ditch.

Description

Underground junction foundation pit structure

Technical Field

The utility model relates to the field of underground junction foundation pits, in particular to an underground junction foundation pit structure.

Background

The foundation pit is a soil pit excavated according to the substrate elevation and the foundation plane size at the foundation design position, the excavation scheme is determined according to geological hydrologic data before excavation and combining the conditions of buildings nearby the site, waterproof and drainage work is carried out, when the existing underground junction is constructed, the adopted foundation pit structure has insufficient supporting firmness of the foundation pit wall, and therefore the water seepage phenomenon of the foundation pit wall is caused, and certain limitation exists during use.

Disclosure of Invention

The technical problems to be solved are as follows: in the current underground junction construction process, when carrying out the foundation ditch excavation, the foundation ditch structure that uses, because current foundation ditch structure, its foundation ditch wall degree of firmness is low, leads to current foundation ditch wall to appear the infiltration phenomenon, exists certain drawback when using.

Aiming at the defects of the prior art, the utility model provides an underground junction foundation pit structure, which solves the problems in the background art.

The technical scheme is as follows:

in order to achieve the above purpose, the present utility model adopts the following technical scheme:

an underground hub pit structure, comprising: the base layer, the top rectangular array of base layer has first bib, just the inboard interval of first bib is provided with the second bib, the inner chamber interval of second bib is provided with the first post that encircles that is used for carrying out the reinforcement, a plurality of strengthening columns have been pour to the outside interval of first post that encircles.

In one possible implementation, the inner walls of the first bib are provided with a reinforcing layer at intervals, and the first bib is connected to the outer walls of the second bib by the reinforcing layer, and the size of the first bib is larger than the size of the second bib.

In one possible implementation manner, the gap on the inner wall of the second bib is uniformly filled with a filling layer, the inner wall of the second bib is provided with a reinforcing layer, the second bib is connected with a waterproof layer through the filling layer, and the waterproof layer is ring-shaped.

In one possible implementation manner, the first ring column is circular, the second ring column is sleeved at intervals on the outer side of the first ring column, the second ring column is elliptical, and the connecting columns are arranged on the inner side and the outer side of the second ring column in an array mode.

In one possible implementation manner, the second loop column is connected with the first loop column through a connection column arranged at the inner side of the second loop column, the outer side of the second loop column is sleeved with a connection loop column, the connection loop column is connected with the inner wall of the waterproof layer, and the second loop column is connected with the connection loop column through a connection column arranged at the outer side of the second loop column.

In one possible implementation manner, a plurality of reinforcing columns are arranged in the inner cavity of the connecting ring column at intervals, and drainage grooves are formed in the side walls of the first bib and the second bib in an array mode.

The beneficial effects of the utility model are as follows:

firstly, the first and second pintles are sequentially arranged on the top of the base layer in a rectangular array, so that the effects of supporting and reinforcing the pit wall of the foundation pit conveniently through the first and second pintles can be achieved, and the defect of insufficient firmness of the foundation pit is avoided;

secondly, the reinforcing layer is fixedly arranged between the first purse string and the second purse string, so that the effect of reinforcing and supporting the first purse string and the second purse string through the reinforcing layer can be achieved, and meanwhile, the waterproof layer is arranged on the inner wall of the second purse string, so that the waterproof degree of the second purse string is increased conveniently;

thirdly, the drainage tank is arranged on the side wall array of the first purse string, so that drainage operation is conveniently performed through the drainage tank, and meanwhile, the first loop column, the second loop column and the connecting column are arranged on the inner wall of the filling layer, so that the foundation pit can be secondarily reinforced through the foundation pit.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an exploded view of the structure of the present utility model.

Fig. 3 is an exploded view of the connection structure of the reinforcing layer of the present utility model.

Fig. 4 is an exploded view of the connection structure of the filling layer of the present utility model.

Reference numerals in the drawings: 1. a base layer; 2. a first bib; 3. a second bib; 4. a reinforcing layer; 5. a filling layer; 6. a waterproof layer; 7. a first loop column; 8. a second loop column; 9. a connecting column; 10. connecting ring columns; 11. a reinforcing column; 12. and a drainage channel.

Detailed Description

The embodiment of the application solves the problem in the prior art by providing an underground junction foundation pit structure.

The technical scheme in the embodiment of the application aims to solve the problems, and the overall thought is as follows:

the specific structure of this embodiment, as shown in fig. 1-4, is an underground junction foundation pit structure, comprising: the base layer 1, the top rectangular array of base layer 1 has first bib 2, just the inboard interval of first bib 2 is provided with second bib 3, the inner chamber interval of second bib 3 is provided with the first post 7 that encircles that is used for strengthening, a plurality of reinforcement posts 11 have been pour to the outside interval of first post 7.

In some examples, the inner wall of the first bib 2 is provided with a reinforcing layer 4 at intervals, and the first bib 2 is connected with the outer wall of the second bib 3 through the reinforcing layer 4, and the size of the first bib 2 is larger than the size of the second bib 3;

the first and second pintles 2 and 3 facilitate reinforcement and support of the pit wall.

In some examples, the gaps on the inner wall of the second bib 3 are uniformly filled with a filling layer 5, the inner wall of the second bib 3 is provided with a reinforcing layer 4, the second bib 3 is connected with a waterproof layer 6 through the filling layer 5, and the waterproof layer 6 is ring-shaped;

the filling layer 5 and the waterproof layer 6 are convenient for increasing the waterproof property of the foundation pit.

In some examples, the first ring column 7 is circular, the outer side of the first ring column 7 is sleeved with a second ring column 8 at intervals, the second ring column 8 is elliptical, and both the inner side and the outer side of the second ring column 8 are provided with connecting columns 9 in an array manner;

the second ring column 8 is connected with the first ring column 7 through a connecting column 9 arranged at the inner side of the second ring column 8, a connecting ring column 10 is sleeved at the outer side of the second ring column 8, the connecting ring column 10 is connected with the inner wall of the waterproof layer 6, and the second ring column 8 is connected with the connecting ring column 10 through the connecting column 9 arranged at the outer side of the second ring column 8;

the first ring column 7 and the second ring column 8 are matched with the connecting column 9 and the connecting ring column 10 to facilitate reinforcement treatment.

In some examples, the inner cavity of the connecting ring column 10 is provided with a plurality of reinforcing columns 11 at intervals, and the side walls of the first bib 2 and the second bib 3 are provided with drainage grooves 12 in an array manner;

the drainage channel 12 is convenient for drain the foundation ditch, and the reinforcement post 11 is convenient for support the building.

Working principle: firstly, taking out the first pintles 2 and the second pintles 3, completing construction treatment of the first pintles 2 and the second pintles 3 in a pouring manner, and reserving drainage grooves 12 on the side walls of the pintles by pouring the first pintles 2 and the second pintles 3 with different lengths, so that the foundation pit can be conveniently drained, and at the moment, the foundation in the first pintles 2 can be continuously excavated until the foundation pit is excavated to a proper position;

at the moment, a reinforcing layer 4 can be sequentially poured between the first pinna 2 and the second pinna 3, so that the first pinna 2 and the second pinna 3 are reinforced through the reinforcing layer 4, and the waterproof layer 6 and the filling layer 5 are continuously and uniformly filled into the second pinna 3, so that the waterproof degree of the interior of the second pinna 3 is increased;

at this time, the connecting ring columns 10, the first ring columns 7, the second ring columns 8 and the connecting columns 9 can be installed on the inner wall of the waterproof layer 6 at intervals, so that the second bib 3 is reinforced, and meanwhile, the reinforcing columns 11 are sequentially poured among the connecting columns 9, so that the foundation pit is conveniently constructed.

By adopting the technical scheme: through set up first bib and second bib at the top interval of basic unit to be convenient for support the wall of foundation ditch and consolidate, and consolidate first bib and second bib through the reinforcement layer that sets up between first bib and the second bib and handle, simultaneously, waterproof layer and the filling layer that set up through first bib inner wall are convenient for increase the waterproof degree of foundation ditch, simultaneously through the first loop column that sets up inside the device, second loop column and linking post, be convenient for consolidate the device once more, thereby increase the firm degree of foundation ditch, simultaneously, the water drainage tank that sets up through the device lateral wall array is convenient to carry out drainage operation to the foundation ditch.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. An underground hub pit structure, comprising: basic unit (1), the top rectangular array of basic unit (1) has first bib (2), just the inboard interval of first bib (2) is provided with second bib (3), the inner chamber interval of second bib (3) is provided with first cyclic pillar (7) that are used for carrying out the reinforcement, a plurality of spliced poles (11) have been pour to the outside interval of first cyclic pillar (7).

2. An underground hub pit structure as defined in claim 1, wherein: the inner wall interval of first bib (2) is provided with reinforcement layer (4), just first bib (2) are connected with the outer wall of second bib (3) through reinforcement layer (4), the size of first bib (2) is greater than the size of second bib (3).

3. An underground hub pit structure as defined in claim 1, wherein: the inner wall clearance of second purse string (3) evenly fills there is filling layer (5), the inner wall of second purse string (3) is provided with reinforcement layer (4), second purse string (3) are connected with waterproof layer (6) through filling layer (5), waterproof layer (6) are ring type.

4. An underground hub pit structure as defined in claim 1, wherein: the first ring column (7) is circular, the second ring column (8) is sleeved at intervals on the outer side of the first ring column (7), the second ring column (8) is elliptical, and connecting columns (9) are arranged on the inner side and the outer side of the second ring column (8) in an array mode.

5. An underground hub pit structure as defined in claim 4 wherein: the second loop column (8) is connected with the first loop column (7) through a connecting column (9) arranged on the inner side of the second loop column, a connecting loop column (10) is sleeved on the outer side of the second loop column (8), the connecting loop column (10) is connected with the inner wall of the waterproof layer (6), and the second loop column (8) is connected with the connecting loop column (10) through the connecting column (9) arranged on the outer side of the second loop column.

6. An underground hub pit structure as defined in claim 5, wherein: the inner cavity of the connecting ring column (10) is provided with a plurality of reinforcing columns (11) at intervals, and drainage grooves (12) are formed in the side walls of the first bib (2) and the second bib (3) in an array mode.