CN216892434U - A envelope for underground works excavation - Google Patents

Abstract

The utility model provides a building enclosure for underground engineering excavation, which relates to the field of underground engineering and comprises the following components: the first enclosing part, the second enclosing part and the limiting clamping part are arranged on the first side wall; the first enclosure part and the second enclosure part are respectively arranged on two side walls of the foundation pit, wherein the first enclosure part and the second enclosure part are vertically distributed; and two ends of the limiting clamping piece are respectively arranged in the first enclosing piece and the second enclosing piece. According to the utility model, the first enclosure part and the second enclosure part can be respectively arranged on two walls of the foundation pit, the limiting clamping part is clamped and connected between the first enclosure part and the second enclosure part and is fixed through the screw, wherein the limiting clamping part can limit the first enclosure part and the second enclosure part, the connection stability of the first enclosure part and the second enclosure part is ensured, the stability of the foundation pit during enclosure can be further ensured, the arrangement and the installation are convenient, and the convenience is greatly provided for workers.

Description

A envelope for underground works excavation

Technical Field

The utility model relates to the field of underground engineering, in particular to a building envelope for underground engineering excavation.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The person who is not excavated can use the method of putting the side slope to stabilize the earth slope, and the size of the slope is determined according to the relevant construction regulations. When a deeper foundation pit and a building adjacent to the deeper foundation pit are excavated, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, and even an underground continuous wall and a columnar column type bored pile are used for interlocking, so that an outer soil layer is prevented from collapsing; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; in cold regions, natural cold freezing method can be adopted for excavation and the like.

However, the existing foundation pit has some defects when being enclosed, after the foundation pit is excavated, the outer ring of the foundation pit needs to be limited by using an enclosure structure, so that the stability of the foundation pit is ensured, however, the existing enclosure device is inconvenient to install, low in stability and low in stability when enclosing the foundation pit, and therefore the utility model provides the enclosure structure for underground engineering excavation to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a building envelope for underground engineering excavation, which aims to solve the technical problem.

In order to solve the technical problems, the utility model adopts the following technical scheme: a containment structure for excavation of underground works, comprising: the first enclosing part, the second enclosing part and the limiting clamping part are arranged on the first side wall; the first enclosure part and the second enclosure part are respectively arranged on two side walls of the foundation pit, wherein the first enclosure part and the second enclosure part are vertically distributed; the two ends of the limiting clamping piece are respectively arranged in the first enclosing piece and the second enclosing piece, the limiting clamping piece is connected with the first enclosing piece through a screw rod, and the limiting clamping piece is connected with the second enclosing piece through a screw rod.

Preferably, the limiting clamping piece comprises two clamping pieces, wherein the two clamping pieces form an L-shaped structure, and the two clamping pieces are respectively clamped into limiting clamping grooves formed in the first enclosing piece and the second enclosing piece.

Preferably, threaded holes are formed in the two clamping pieces, and the screw penetrates through the first enclosing piece or the second enclosing piece and then is in threaded connection with the corresponding threaded holes.

Preferably, one side of each of the first enclosing piece and the second enclosing piece is provided with a connecting piece, and the connecting pieces are installed on the wall of the corresponding foundation pit through expansion screws.

Preferably, the first enclosing piece and the second enclosing piece are provided with a plurality of groups; the first enclosure parts are equidistantly arranged on the wall of the corresponding foundation pit, a plurality of steel pipes vertically penetrate through the first enclosure parts, and the steel pipes are distributed at equal intervals; wherein a plurality of second enclosure parts are equidistantly installed on the wall body of the corresponding foundation pit, and a plurality of steel pipes vertically penetrate through the plurality of second enclosure parts and are distributed at equal intervals.

Preferably, the first enclosing piece and the second enclosing piece are both provided with grooves.

Compared with the related art, the enclosure structure for underground engineering excavation provided by the utility model has the following beneficial effects:

the utility model provides a building enclosure for underground engineering excavation, which comprises a first building enclosure and a second building enclosure, wherein the first building enclosure and the second building enclosure can be respectively arranged on two walls of a foundation pit; secondly, through setting up a plurality of steel pipes, the steel pipe is used for connecting a plurality of first fenders and a plurality of second fenders, injects the concrete into the steel pipe, can further ensure stability and security between a plurality of fenders and the foundation ditch.

Drawings

Fig. 1 is a top view of a containment structure for excavation of underground works according to the present invention;

FIG. 2 is a schematic structural view of a building envelope for excavation of underground works according to the present invention;

FIG. 3 is a cross-sectional view of a first enclosure in connection with a second enclosure in accordance with the present invention;

FIG. 4 is a schematic structural view of the limit clip of the present invention;

reference numerals: 1. a foundation pit; 2. a first enclosure; 3. a second enclosure; 4. a groove; 5. a steel pipe; 6. a connecting member; 7. a limiting clamping groove; 8. a limiting clamping piece; 801. a threaded hole; 9. a screw.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

In an embodiment, as shown in fig. 1, 2 and 3, a building envelope for excavation of an underground construction includes: the first enclosing part 2, the second enclosing part 3 and the limiting clamping part 8; the first enclosing piece 2 and the second enclosing piece 3 are respectively installed on two walls of the foundation pit 1, wherein the first enclosing piece 2 and the second enclosing piece 3 are vertically distributed; two ends of the limiting clamping piece 8 are respectively arranged in the first enclosing piece 2 and the second enclosing piece 3, the limiting clamping piece 8 is connected with the first enclosing piece 2 through a screw rod 9, and the limiting clamping piece 8 is connected with the second enclosing piece 3 through the screw rod 9.

In a specific implementation process, as shown in fig. 4, the limiting clamping member 8 includes two clamping members, wherein the two clamping members form an "L" shaped structure, and the two clamping members are respectively clamped into the limiting clamping grooves 7 formed in the first enclosure member 2 and the second enclosure member 3.

In the specific implementation process, as shown in fig. 3 and 4, threaded holes 801 are formed in both the two clamping pieces, and the screw 9 penetrates through the first enclosure 2 or the second enclosure 3 and then is screwed into the corresponding threaded hole 801.

In the concrete implementation process, as shown in fig. 2, one side of each of the first enclosure member 2 and the second enclosure member 3 is provided with a connecting member 6, wherein the connecting member 6 is mounted on the wall of the corresponding foundation pit 1 through an expansion screw, and the first enclosure member 2 and the second enclosure member 3 are mounted on the corresponding wall of the foundation pit 1 correspondingly, that is, the first enclosure member and the second enclosure member are connected into the wall through the connecting member 6 by using the expansion screw (as shown in fig. 2).

In the specific implementation process, as shown in fig. 1 and 2, a plurality of groups of the first enclosing parts 2 and the second enclosing parts 3 are provided; the first enclosure parts 2 are equidistantly arranged on the wall of the corresponding foundation pit 1, a plurality of steel pipes 5 vertically penetrate through the first enclosure parts 2, and the steel pipes 5 are distributed at equal intervals; wherein a plurality of second enclosure 3 equidistance are installed on the wall body of corresponding foundation ditch 1, and vertically run through on a plurality of second enclosure 3 have a plurality of steel pipes 5, and a plurality of steel pipes 5 are equidistant to be distributed. The first enclosing piece 2 and the second enclosing piece 3 are both provided with grooves 4. Taking a plurality of steel pipes 5, penetrating the steel pipes 5 through a plurality of first enclosure parts 2 which are vertically distributed in sequence, and in the same way, penetrating the steel pipes through a plurality of second enclosure parts 3 which are vertically distributed in sequence (as shown in figure 2), and injecting concrete into the steel pipes 5 after all the steel pipes 5 are installed, so as to ensure the stability among the first enclosure parts 2, the second enclosure parts 3 and the foundation pit 1.

The implementation principle of the enclosure structure for underground engineering excavation provided by the utility model is as follows: when the installation tool is used, firstly, the first enclosing and protecting part 2 and the second enclosing and protecting part 3 need to be installed, namely, one end of the limiting clamping part 8 extends into the first enclosing and protecting part 2, the other end extends into the second enclosing and protecting part 3, then the screw 9 is taken out, the screw 9 penetrates through the first enclosing and protecting part 2 or the second enclosing and protecting part 3 and is then connected into the corresponding threaded hole 801 (shown in figure 3) on the limiting clamping part 8 in a threaded manner, after the installation is finished, the first enclosing and protecting part 2 and the second enclosing and protecting part 3 are correspondingly installed on the corresponding wall body of the foundation pit 1, namely, the expansion screw penetrates through the connecting part 6 and is connected into the wall body (shown in figure 2);

after all the first enclosing parts 2 and the second enclosing parts 3 are installed, taking a plurality of steel pipes 5, sequentially penetrating the steel pipes 5 through the plurality of vertically distributed first enclosing parts 2, and similarly, sequentially penetrating the steel pipes through the plurality of vertically distributed second enclosing parts 3 (shown in figure 2), and after all the steel pipes 5 are installed, injecting concrete into the steel pipes 5 to ensure the stability among the first enclosing parts 2, the second enclosing parts 3 and the foundation pit 1.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A building envelope for underground works excavation, its characterized in that includes: the first enclosing part (2), the second enclosing part (3) and the limiting clamping piece (8);

the first enclosing piece (2) and the second enclosing piece (3) are respectively installed on two side walls of the foundation pit (1), wherein the first enclosing piece (2) and the second enclosing piece (3) are vertically distributed; the two ends of the limiting clamping piece (8) are respectively arranged in the first enclosing piece (2) and the second enclosing piece (3), the limiting clamping piece (8) is connected with the first enclosing piece (2) through a screw rod (9), and the limiting clamping piece (8) is connected with the second enclosing piece (3) through the screw rod (9).

2. A containment structure for excavation of underground works according to claim 1, characterized in that: the limiting clamping piece (8) comprises two clamping pieces, wherein the two clamping pieces form an L-shaped structure, and the two clamping pieces are respectively clamped into a limiting clamping groove (7) formed in the first enclosing piece (2) and the second enclosing piece (3).

3. A containment structure for excavation of underground works according to claim 2, characterized in that: threaded holes (801) are formed in the two clamping pieces, the screw (9) penetrates through the first enclosing piece (2) or the second enclosing piece (3), and then the screw is connected into the corresponding threaded holes (801) in a threaded mode.

4. A containment structure for excavation of underground works according to any one of claims 1 to 3, wherein: one side of the first enclosing piece (2) and one side of the second enclosing piece (3) are both provided with connecting pieces (6), wherein the connecting pieces (6) are installed on the wall body of the corresponding foundation pit (1) through expansion screws.

5. A containment structure for excavation of underground works according to claim 1, characterized in that: the first enclosing piece (2) and the second enclosing piece (3) are provided with a plurality of groups;

the first enclosure parts (2) are equidistantly arranged on the wall of the corresponding foundation pit (1), a plurality of steel pipes (5) vertically penetrate through the first enclosure parts (2), and the steel pipes (5) are distributed at equal intervals;

wherein a plurality of second enclosure pieces (3) are equidistantly installed on the wall body of the corresponding foundation pit (1), and a plurality of steel pipes (5) vertically penetrate through the plurality of second enclosure pieces (3) and are distributed at equal intervals on the plurality of steel pipes (5).

6. A containment structure for excavation of underground works according to claim 5, characterized in that: the first enclosing piece (2) and the second enclosing piece (3) are both provided with grooves (4).

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