CN215406100U

CN215406100U - Foundation pit supporting structure

Info

Publication number: CN215406100U
Application number: CN202121905797.1U
Authority: CN
Inventors: 韩钰; 王亮; 郝丽霞; 赵丹祺; 王大伟
Original assignee: Mingda Ocean Engineering Co ltd
Current assignee: Mingda Ocean Engineering Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-04
Anticipated expiration: 2031-08-13

Abstract

The utility model belongs to the technical field of foundation ditch supporting's technique and specifically relates to a foundation ditch supporting structure is related to, and it includes the foundation ditch lateral wall, foundation ditch lateral wall slope sets up, is located to be provided with the inner plating that is on a parallel with the foundation ditch lateral wall on the foundation ditch lateral wall, is provided with the support body that is on a parallel with the inner plating on the inner plating, the lower part of support body is used for supporting the bottom at the foundation ditch, install the heavy object that is used for pressing on the support body. This application has the effect that improves supporting construction stability.

Description

Foundation pit supporting structure

Technical Field

The application relates to the technical field of foundation pit support, in particular to a foundation pit support structure.

Background

The foundation pit causes deformation of surrounding soil bodies in the excavation process, so that supporting is needed during excavation of the foundation pit, the foundation pit is stable, the foundation pit supporting is temporary engineering, and after construction engineering construction in the foundation pit is completed and the interior of the foundation pit is filled, the foundation pit supporting can be dismantled.

Application publication number is CN104294828A discloses a supporting construction of foundation ditch in the patent application file, comprising a base plate, support the base, the bracing piece, the support frame, rectangular pipe and backplate, the rectangular pipe has two and parallel interval welding in one side of backplate, the support frame is connected with two rectangular pipe, the one end of joint support pole on the support frame, the other end of bracing piece is connected on supporting the base, it fixes on the bottom plate to support the base, the bracing piece slope support is between backplate and bottom plate, thereby can provide the holding power for the backplate, make the backplate be used for supporting the lateral wall of foundation ditch.

However, in the above-described structure, the inventors considered that when the guard plate supports the side wall of the foundation pit, the support rod is subjected to a large force, and the structure is liable to be unstable.

SUMMERY OF THE UTILITY MODEL

In order to improve supporting construction's stability, this application provides a foundation ditch supporting construction.

The application provides a foundation ditch supporting construction adopts following technical scheme:

the utility model provides a foundation pit supporting structure, includes the foundation ditch lateral wall, foundation ditch lateral wall slope sets up, is located to be provided with the inner plating that is on a parallel with the foundation ditch lateral wall on the foundation ditch lateral wall, is provided with the support body that is on a parallel with the inner plating on the inner plating, the lower part of support body is used for supporting the bottom at the foundation ditch, install the heavy object that is used for pressing on the support body.

Through adopting above-mentioned technical scheme, during the use, the foundation ditch lateral wall slope sets up, be located and set up an inner plate on the foundation ditch lateral wall, then set up the support body on the inner plate, the support body can provide the pressure to the inner plate on the one hand, makes the inner plate press on the foundation ditch lateral wall, can provide the support for the heavy object simultaneously, makes the heavy object can set up on the foundation ditch lateral wall through the support body, the heavy object passes through the support body with gravity effect on the foundation ditch lateral wall, and then make the heavy object strut the foundation ditch lateral wall, improve stability.

Preferably, the frame body comprises a plurality of cross-shaped unit blocks, adjacent unit blocks are spliced and fixed with each other, the unit blocks are laid on the inner layer plate, and the adjacent unit blocks are spliced to form mounting grooves.

Through adopting above-mentioned technical scheme, the unit piece has a plurality ofly and splices the setting each other to the unit piece can be dismantled after the use, makes things convenient for reuse.

Preferably, a connecting block is arranged in the mounting groove, an upward upright column is fixedly arranged on one surface of the connecting block, and the heavy object is blocked on the frame body through the upright column.

Through adopting above-mentioned technical scheme, set up the connecting block in the mounting groove, stand on the connecting block sets up, and the heavy object passes through the stand and keeps off on the support body, and then can make the heavy object install on the support body, and it is more convenient when dismantling moreover.

Preferably, the upright post is provided with a baffle, the position between the baffle and the frame body is used for placing heavy objects, and the heavy objects are field muck.

Through adopting above-mentioned technical scheme, the baffle keeps off on the stand, is used for placing the heavy object between one side of baffle and the support body, makes the heavy object be on-the-spot dregs, and the staff is more convenient when setting up the heavy object, can directly be used for the landfill foundation ditch after the dismantlement.

Preferably, the unit blocks are spliced with each other at two ends, one end is provided with a projection extending along the length direction of the end, the other end is provided with a groove matched with the projection, and when the adjacent unit blocks are spliced with each other, the projection is inserted into the groove.

By adopting the technical scheme, when two adjacent unit blocks are spliced, the lug is inserted into the groove, so that the unit blocks are firmly connected with the groove through the lug.

Preferably, the protrusion is connected to one end of the unit block to be gradually reduced toward the end of the protrusion away from the unit block.

By adopting the technical scheme, one end of the lug, which is far away from the unit block, is smaller, and when the lug is inserted into the groove, the smaller end gradually enters the groove, so that the lug is more conveniently inserted.

Preferably, an arc bolt is arranged between the end parts of the unit blocks which are spliced with each other, penetrates through the two unit blocks and is in threaded connection with a nut.

Through adopting above-mentioned technical scheme, the arc bolt runs through two unit pieces simultaneously to connect the arc bolt through the nut, make two unit pieces connect more firmly under the effect of arc bolt, the convenient dismantlement to the unit piece moreover.

Preferably, the upper portion of support body is connected with the pull rod, and the one end and the support body of pull rod are connected, and the other end is provided with the embedded post, the top of foundation ditch is inserted to the embedded post.

Through adopting above-mentioned technical scheme, the one end of pull rod is fixed on pre-buried post, and the other end is fixed on the support body, and then makes the support body be connected with pre-buried post through the pull rod, further improves the fastness that the support body is connected, makes the excavation supporting more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the inner-layer plate is arranged on the side wall of the foundation pit, the frame body is arranged on the inner-layer plate and can provide support for the heavy object, so that the heavy object can be arranged on the side wall of the foundation pit through the frame body, the heavy object acts the gravity on the side wall of the foundation pit through the frame body, and the heavy object supports the side wall of the foundation pit, so that the stability is improved;

2. the unit blocks are arranged in a manner of splicing, so that the unit blocks can be detached and reused after being used;

3. the baffle is blocked on the upright post, and a heavy object is placed between one side of the baffle and the frame body, so that the heavy object is field muck, and the heavy object is convenient to set.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of a portion of an embodiment of the present application;

FIG. 3 is a schematic diagram of a splicing structure of two adjacent unit blocks in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a cell block in the embodiment of the present application.

Description of reference numerals: 1. a foundation pit; 11. the side wall of the foundation pit; 2. an inner layer board; 3. a frame body; 31. a unit block; 311. a bump; 312. a groove; 32. mounting grooves; 33. an arc bolt; 34. a nut; 4. a weight; 5. connecting blocks; 51. a column; 6. a baffle plate; 7. pre-embedding the column; 8. a pull rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a foundation ditch supporting construction. Referring to fig. 1, the foundation pit includes a foundation pit 1 and a foundation pit side wall 11, the foundation pit side wall 11 is formed during excavation of the foundation pit 1, the foundation pit side wall 11 is arranged in an inclined manner in this embodiment, an inclined direction of the foundation pit side wall 11 gradually approaches to the middle of the foundation pit 1 from top to bottom, and an inclined angle of the foundation pit side wall 11 is 45-60 degrees. The inner-layer plate 2 is arranged on the side wall 11 of the foundation pit, the inner-layer plate 2 can be formed by concrete spraying or formed by laying straw mats, and the inner-layer plate 2 is parallel to the side wall 11 of the foundation pit, so that the inner-layer plate 2 is pressed on the side wall 11 of the foundation pit. Be located and be provided with support body 3 on inner plate 2, support body 3 is on a parallel with the setting of inner plate 2 to the gravity of support body 3 presses the lateral wall of foundation ditch 1. Inner plate 2 can further be stabilized through support body 3, and support body 3 can increase inner plate 2's gravity simultaneously, makes inner plate 2 strut foundation ditch lateral wall 11 more steadily. Be located and be provided with heavy object 4 on the support body 3, heavy object 4 further provides the extrusion force for foundation ditch lateral wall 11, makes foundation ditch lateral wall 11 relatively stable.

Referring to fig. 2, the frame body 3 is formed by splicing a plurality of unit blocks 31, the unit blocks 31 are in a cross shape as a whole, the unit blocks 31 have four ends in the cross shape, and when two adjacent unit blocks 31 are spliced with each other, the end positions of the unit blocks 31 are connected relatively. The unit blocks 31 are prefabricated and formed of concrete. The adjacent two unit blocks 31 are detachably connected, so that the unit blocks 31 can be recovered after being used, and the next reuse is facilitated. The unit blocks 31 are integrally arranged in parallel to the inner plate 2 and pressed on the inner plate 2, the unit blocks 31 are layered from bottom to top on the inner plate 2, and the unit block 31 positioned at the lowermost layer is inserted into the bottom of the foundation pit 1, so that the unit block 31 is supported at the bottom of the foundation pit 1. The installation groove 32 is formed between the four adjacent unit blocks 31, the installation groove 32 is rectangular as a whole, the connecting block 5 is placed in the installation groove 32, the upright post 51 is integrally arranged on the connecting block 5, and the upright post 51 is positioned on one surface of the connecting block 5. During the installation, in mounting groove 32 was placed to connecting block 5, made connecting block 5 and mounting groove 32 cooperation, connecting block 5 pressed on inner plate 2's surface, and support body 3 can prevent connecting block 5 from sliding down along inner plate 2 simultaneously, and stand 51's one end is located connecting block 5, and the other end is vertical sets up. The connecting block 5 is prefabricated and formed of concrete so that the connecting block 5 can be reused.

Referring to fig. 1 and 2, the connecting blocks 5 are uniformly arranged in rows, the columns 51 connected with the connecting blocks 5 at the same horizontal height position are connected with the baffle plates 6, the baffle plates 6 are arranged on the columns 51 at each layer, the baffle plates 6 are arranged between the surface of the baffle plates 6 opposite to the columns 51 and the frame body 3 and used for placing the heavy objects 4, the heavy objects 4 are the residue soil generated by field construction, and the heavy objects 4 are stacked on the baffle plates 6 so that the heavy objects 4 are pressed on the frame body 3. Meanwhile, the heavy object 4 is made of on-site muck, so that the dismounting is convenient, the heavy object can be used for filling the foundation pit 1 in the later period, and the height of the baffle 6 is selected according to the strength required by the supporting of the side wall 11 of the foundation pit, so that the amount of the heavy object 4 is easy to control, and the sufficient support is conveniently provided for the side wall 11 of the foundation pit.

Referring to fig. 3 and 4, the number of the end portions of the unit block 31 is four, wherein the adjacent two end portions are integrally provided with the protrusions 311, the protrusions 311 are arranged along the extending direction of the end portions of the unit block 31, and one end of the protrusion 311 close to the unit block 31 is gradually reduced toward one end far away from the unit block 31; the other two adjacent ends are provided with grooves 312 matched with the convex blocks 311. When the unit blocks 31 are mounted, the end of one unit block 31 having the projection 311 corresponds to the end of the other unit block 31 having the groove 312, so that the projection 311 is inserted into the groove 312. The arc bolts 33 are arranged at the end parts of the unit blocks 31 which are connected with each other, the arc bolts 33 penetrate through the end parts of the two unit blocks 31 at the same time, and the end parts of the arc bolts 33 are in threaded connection with the nuts 34, so that the two unit blocks 31 are relatively fixed through the arc bolts 33, and the protruding blocks 311 are inserted into the grooves 312, so that the firmness of mutual splicing of the two unit blocks 31 is improved.

Referring to fig. 2, a pre-embedded column 7 is arranged at the top of the foundation pit 1, the pre-embedded column 7 is vertically arranged, the lower end of the pre-embedded column 7 is located in the ground outside the foundation pit 1, and the upper end of the pre-embedded column 7 extends out of the ground. Be provided with pull rod 8 on the cell block 31 that is located the superiors, in pre-buried post 7 was inserted to the one end of pull rod 8, the other end was connected to on the cell block 31, and then rethread pre-buried post 7 improves the fixed fastness to support body 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a foundation pit supporting construction, includes foundation pit lateral wall (11), its characterized in that: foundation ditch lateral wall (11) slope sets up, is located and is provided with inner plating (2) that are on a parallel with foundation ditch lateral wall (11) on foundation ditch lateral wall (11), is provided with support body (3) that are on a parallel with inner plating (2) on inner plating (2), the lower part of support body (3) is used for supporting the bottom in foundation ditch (1), install on support body (3) and be used for pressing heavy object (4) on support body (3).

2. A foundation pit supporting construction according to claim 1, wherein: the frame body (3) comprises a plurality of cross-shaped unit blocks (31), adjacent unit blocks (31) are spliced and fixed with each other, the unit blocks (31) are laid on the inner layer plate (2), and the adjacent unit blocks (31) are spliced to form mounting grooves (32).

3. A foundation pit supporting construction according to claim 2, wherein: be provided with connecting block (5) in mounting groove (32), fixed upright (51) that are provided with up on the one side of connecting block (5), heavy object (4) keep off on support body (3) through upright (51).

4. A foundation pit supporting construction according to claim 3, wherein: the vertical column (51) is provided with a baffle (6), a position between the baffle (6) and the frame body (3) is used for placing a heavy object (4), and the heavy object (4) is field muck.

5. A foundation pit supporting construction according to any one of claims 2 to 4, wherein: the two end parts of the unit blocks (31) are spliced with each other, one end part is provided with a convex block (311) extending along the length direction of the end part, the other end part is provided with a groove (312) matched with the convex block (311), and when the adjacent unit blocks (31) are spliced with each other, the convex block (311) is inserted into the groove (312).

6. A foundation pit supporting construction according to claim 5, wherein: the bump (311) is connected to one end of the unit block (31) and gradually decreases to the end of the bump (311) far away from the unit block (31).

7. A foundation pit supporting construction according to any one of claims 2 to 4, wherein: arc bolts (33) are arranged between the end parts of the unit blocks (31) which are spliced with each other, and the arc bolts (33) penetrate through the two unit blocks (31) and are in threaded connection with nuts (34).

8. A foundation pit supporting construction according to claim 1, wherein: the upper portion of support body (3) is connected with pull rod (8), and the one end and the support body (3) of pull rod (8) are connected, and the other end is provided with embedded column (7), the top in foundation ditch (1) is inserted in embedded column (7).