CN213143076U

CN213143076U - Foundation pit supporting structure

Info

Publication number: CN213143076U
Application number: CN202021854077.2U
Authority: CN
Inventors: 董昱良
Original assignee: Guangdong Jintuo Construction Engineering Co ltd
Current assignee: Guangdong Jintuo Construction Engineering Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-07
Anticipated expiration: 2030-08-31

Abstract

The application relates to a foundation pit supporting structure, which comprises stand columns arranged at intervals and a supporting plate arranged between two adjacent stand columns, wherein two opposite ends of the supporting plate are abutted against the two adjacent stand columns; the support guard plate is characterized in that sliding blocks are arranged at intervals towards the vertical direction at two opposite ends of the support guard plate, sliding grooves for the sliding blocks to slide are formed in two opposite sides of two adjacent vertical columns, the sliding grooves extend towards the thickness direction of the support plate, and the sliding blocks are locked at opposite positions in the sliding grooves through connecting components; the pillar all is equipped with the supporting component who is used for the support post. This application has and makes can carry out the effect that dismantlement formula is connected between two adjacent backplate.

Description

Foundation pit supporting structure

Technical Field

The application relates to the field of constructional engineering, especially, relate to a foundation ditch supporting construction.

Background

At present, along with the development of urban construction, high-rise buildings are gradually increased, and urban buildings are increasingly dense. Because of the requirements of using functions and developing underground spaces, high-rise buildings are generally designed with basements with larger plane sizes and depths. The development of basements involves the safety of deep building pits, which is particularly important in areas with dense buildings that are located on soft foundations. Especially in the cities of coastal scouring and silting plain, the engineering sites are mostly soft soil, the foundation pit supporting sources mostly adopt soil nailing walls, the foundation pit deformation and the side slope soil body displacement are large, and the foundation pit collapse accident happens when the foundation pit is attacked by heavy rain or typhoon storm in continuous days. .

The existing support comprises a plurality of prefabricated support plates and support rods, wherein the support plates are arranged along the circumferential direction of a foundation pit, each plate abuts against a soil wall of the foundation pit, each support plate is provided with one support rod, one end of each support rod is fixedly arranged at one end of each support plate, which is far away from the soil wall, and the other end of each support rod is downwards inclined towards the direction far away from the support plates and is inserted into the ground; and two adjacent supporting guard plates are fixedly connected in a welding mode.

In view of the above-mentioned related art, the inventor believes that there is a defect that it is not convenient to separate two adjacent supporting plates for recycling after the construction is completed.

SUMMERY OF THE UTILITY MODEL

In order to make and to carry out the dismantlement formula between two adjacent backplate and connect, this application provides a foundation ditch supporting construction.

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

a foundation pit supporting structure comprises stand columns arranged at intervals and a supporting plate arranged between two adjacent stand columns, wherein two opposite ends of the supporting plate are abutted against the two adjacent stand columns; the support guard plate is characterized in that sliding blocks are arranged at intervals towards the vertical direction at two opposite ends of the support guard plate, sliding grooves for the sliding blocks to slide are formed in two opposite sides of two adjacent vertical columns, the sliding grooves extend towards the thickness direction of the support plate, and the sliding blocks are locked at opposite positions in the sliding grooves through connecting components; the pillar all is equipped with the supporting component who is used for the support post.

By adopting the technical scheme, the stand columns are arranged at intervals along the circumferential direction of the foundation pit and are supported by the supporting component; then mounting a supporting and protecting plate before two adjacent upright columns, and firstly sliding the sliding blocks of the supporting and protecting plate into the corresponding sliding grooves respectively; after the supporting plate abuts against the side wall of the foundation pit, the position of the sliding block is limited through the connecting assembly, and then the adjacent supporting plates can be fixedly installed; when the support guard plate and the support column need to be disassembled and recovered, the limit of the sliding block is loosened through the connecting assembly, so that the sliding block can slide and is separated from the sliding groove, and the support guard plate and the support column can be disassembled; the support guard plate is slidable so that the position between the support guard plate and the upright post can be adjusted under the condition that the side wall is irregular, and the applicability is improved.

Preferably, the connection assembly includes: support depression bar and fixed plate, the relative both ends of support depression bar are equipped with respectively and are close to the support briquetting of the notch one side butt in the groove that slides with the sliding block, the fixed plate slip cap is established at the depression bar, the fixed plate passes through the bolt and installs in the lateral wall of stand.

By adopting the technical scheme, when the sliding groove slides to the position that the supporting protection plate is abutted against the pit wall of the foundation pit, the pressing blocks of the pressing rods respectively slide into the corresponding sliding grooves until the pressing blocks are abutted against the sliding blocks, the fixing plate is slid to be abutted against the side wall of the upright column, and finally the supporting protection plate is fixedly installed on the upright column through bolts; the process is simple and convenient to operate and high in installation efficiency.

Preferably, a plurality of pairs of reinforcing rods are arranged at intervals along the length direction on one side of the pressing rod close to the supporting and protecting plate, and two opposite ends of each pair of reinforcing rods are respectively arranged on the pressing rod and the supporting and protecting plate; the two reinforcing rods and the supporting plate of each pair form a triangle.

Through adopting above-mentioned technical scheme, through being provided with the stiffener to enclose into regular triangle between messenger's stiffener and the supporting plate, thereby can improve the bearing capacity of propping the depression bar, improve holistic stability.

Preferably, the support assembly comprises: the one end of bracing piece is installed in the stand, the other end downward sloping towards the direction of keeping away from the stand.

Through adopting above-mentioned technical scheme, make in the construction through being provided with the bracing piece, can keep away from the stand with the bracing piece one end and insert ground, improve the bearing capacity of stand, can reduce the stand and appear collapsing or cracked condition.

Preferably, the support assembly further comprises: the buffer block slides towards the direction vertical to the arrangement direction of the stand columns; one end of the supporting rod is hinged to the upright post, and the other end of the supporting rod is hinged to the buffer block.

By adopting the technical scheme, when the upright post slightly shakes, the buffer block can slide in the buffer seat under the action of the elastic piece, so that the buffer function can be achieved, and the situation that the support post is broken is reduced; when the supporting rod is positioned, the buffer seat is partially embedded in the ground.

Preferably, one side of the supporting and protecting plate, which is far away from the abutting rod, is provided with a sponge layer, and the sponge layer is detachably mounted on the supporting and protecting plate through a connecting piece.

By adopting the technical scheme, when the supporting plate meets the uneven side wall, the deformation of the sponge layer can reduce the situation that one end of the supporting plate is tilted, so that the gap between the supporting plate and the upright post can be reduced, and the water permeation quantity is reduced; install the sponge layer at the supporting plate and make when this backplate of next use, the convenient change to the sponge layer of carrying out the dismantlement formula with the sponge layer.

Preferably, the connector comprises: locate the forked tail piece that the sponge layer is close to supporting plate one side, the forked tail piece extends towards vertical direction, supporting plate is equipped with the dovetail that supplies the forked tail piece card to go into.

Through adopting above-mentioned technical scheme, can reach the installation to the sponge layer through mutually supporting of dovetail piece and dovetail, this mounting structure is simple, is applicable to in the construction.

Preferably, the sliding grooves on the two opposite sides of the upright post are arranged in a staggered manner.

Through adopting above-mentioned technical scheme, thereby can improve the stand and be provided with the position bearing capacity of sliding groove higher through the groove that slides of the relative both sides of stand for dislocation set, improve overall stability.

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

1. firstly, arranging upright columns at intervals along the circumferential direction of a foundation pit, and supporting the upright columns through a supporting assembly; then mounting a supporting and protecting plate before two adjacent upright columns, and firstly sliding the sliding blocks of the supporting and protecting plate into the corresponding sliding grooves respectively; after the supporting plate abuts against the side wall of the foundation pit, the position of the sliding block is limited through the connecting assembly, and then the adjacent supporting plates can be fixedly installed; when the support guard plate and the support column need to be disassembled and recovered, the limit of the sliding block is loosened through the connecting assembly, so that the sliding block can slide and is separated from the sliding groove, and the support guard plate and the support column can be disassembled; the support guard plate can slide so as to adjust the position between the support guard plate and the upright column under the condition that the side wall is irregular, and the applicability is improved;

2. when the support plate meets the uneven side wall, the deformation of the sponge layer can reduce the situation that one end of the support plate is tilted, so that the gap between the support plate and the upright post can be reduced, and the water permeation quantity is reduced; install the sponge layer at the supporting plate and make when this backplate of next use, the convenient change to the sponge layer of carrying out the dismantlement formula with the sponge layer.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view of the supporting plate mounting structure of the present invention.

Fig. 3 is a partially enlarged view of a in fig. 1.

Description of reference numerals: 1. a column; 11. a sliding groove; 2. supporting the guard plate; 21. a sliding block; 22. a dovetail groove; 3. a pressing rod; 31. a pressing block; 32. a fixing plate; 33. a reinforcing bar; 4. a support bar; 5. a buffer seat; 51. a buffer block; 52. an elastic member; 6. a sponge layer; 61. a dovetail block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a foundation ditch supporting construction. Referring to fig. 1, the supporting structure includes stand 1 and supporting plate 2, and stand 1 all extends towards vertical direction towards the lateral wall circumference interval setting of foundation ditch, all sets up a supporting plate 2 between every two adjacent stands 1, and supporting plate 2 is at the equal butt of the lateral wall of stand 1 in the ascending relative both ends of horizontal direction.

Referring to fig. 1 and 2, the opposite side walls between two adjacent upright columns 1 are provided with sliding grooves 11 at equal intervals along the length direction of the upright columns 1, the sliding grooves 11 of the opposite side walls between two adjacent upright columns 1 are in one-to-one correspondence in the horizontal direction, and the sliding grooves 11 are communicated with the side walls of the upright columns 1 facing the inside of the foundation pit; the sliding grooves 11 on two sides of the same upright post 11 are arranged in a staggered manner along the length direction.

Two ends of the supporting and protecting plate 2, which are abutted against the upright post 1, are both vertical and fixed with sliding blocks 21 corresponding to the sliding grooves 11, and the sliding direction of the sliding blocks 21 is consistent with the thickness direction of the supporting and protecting plate 2; the support structure further comprises a connecting component for limiting the relative position of the sliding block 21 in the sliding groove 11.

The connecting assembly comprises abutting rods 3 and a fixing plate 32, two sliding grooves 11 which are positioned on two adjacent upright posts 1 and are positioned on the same level are respectively provided with one abutting rod 3, abutting blocks 31 are fixed at two opposite ends of each abutting rod 3, the abutting blocks 31 are installed in the sliding grooves 11 in a sliding mode, and the abutting blocks 31 are abutted to the sliding blocks 21; every supports the equal sliding cover of depression bar 3 and is equipped with two fixed plates 32, and two fixed plates 32 are located the relative both ends that support depression bar 3 respectively, and two fixed plates 32 butt are at the lateral wall that corresponds stand 1 to fixed plate 32 all passes through bolt fixed mounting at stand 1, thereby can accomplish the restriction of sliding block 21 relative position in sliding groove 11.

Every supports and all has the clearance between depression bar 3 and the supporting plate 2, supports that one side that depression bar 3 is close to a backplate 2 is provided with a plurality ofly to stiffener 33 along length direction equidistant, and the one end of stiffener 33 is fixed and is being supported depression bar 3, other end butt at a backplate 2, and every two stiffener 33 and supporting plate 2 between enclose into regular triangle to accessible triangle-shaped's stability improves a backplate 2 and supports the stability between the depression bar 3.

A sponge layer 6 is arranged on one side, far away from the pressure resisting rod 3, of each supporting plate 2, two dovetail grooves 22 are arranged on one side, near to the pressure resisting rod 3, of each supporting plate 2 at equal intervals along the horizontal direction, the dovetail grooves 22 extend towards the vertical direction, and the dovetail grooves 22 are communicated with the top of the supporting plate 2; dovetail blocks 61 are fixedly arranged on one side, close to the supporting and protecting plate 2, of the sponge layer 6 and correspond to the positions of the dovetail grooves 22, the dovetail blocks 61 extend towards the length direction of the dovetail grooves 22, and the dovetail blocks 6171 are arranged on the dovetail grooves 22 in a sliding mode, so that the sponge layer 6 can be fixed; the sponge layer 6 is arranged, so that the opposite ends of the support and protection plate 2 can be kept always abutted against the side walls of the upright posts 1 on irregular wall surfaces.

Referring to fig. 1 and 3, the supporting structure further comprises a supporting component, each upright post 1 is provided with the supporting component, the supporting component comprises a supporting rod 4, a buffer seat 5, a buffer block 51 and an elastic piece 52, one end of the supporting rod 4 is hinged to a position of the upright post 1 close to the top and close to one side of the notch of the sliding chute 11, and the other end of the supporting rod is inclined downwards towards a direction far away from the upright post 1; the buffer block 51 is slidably mounted on the buffer seat 5, the sliding direction of the buffer block 51 is perpendicular to the arrangement direction of the columns 1, the elastic members 52 are arranged in the buffer seat 5 and at the positions of the two opposite ends of the buffer block 51, the elastic members 52 are springs, one end of each elastic member 52 is fixed on the buffer seat 5, the other end of each elastic member 52 is fixed on the buffer block 51, and the elastic direction of each elastic member 52 is consistent with the sliding direction of the buffer block 51; one end of the support rod 4 far away from the upright post 1 is hinged with the buffer block 51; thereby playing a role of buffering the upright post 1.

The bottom of the buffer seat 5 is provided with anti-slip lines, so that the seat bottom friction force of the buffer seat 5 can be improved.

The implementation principle of the foundation pit supporting structure in the embodiment of the application is as follows: during construction, the upright posts 1 are arranged at intervals along the circumferential direction of a foundation pit, and parts of the buffer seats 5 are buried in soil; then, sliding the two opposite ends of the abutting rod 3 into the sliding grooves 11 until the abutting block 31 abuts against the sliding block 21, and fixing the fixing plate 32 on the corresponding upright 1 through bolts; when the support plate needs to be disassembled, the support rod 3 is taken out after the bolt is screwed out, and the support plate 2 and the upright post 1 can be separated to complete the disassembly.

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 foundation pit supporting structure is characterized by comprising stand columns (1) arranged at intervals and supporting and protecting plates (2) arranged between two adjacent stand columns (1), wherein two opposite ends of each supporting and protecting plate (2) are abutted against the two adjacent stand columns (1); the supporting and protecting plate is characterized in that sliding blocks (21) are arranged at two opposite ends of the supporting and protecting plate (2) at intervals towards the vertical direction, sliding grooves (11) for the sliding blocks (21) to slide are formed in two opposite sides of two adjacent upright columns (1), the sliding grooves (11) extend towards the thickness direction of the supporting and protecting plate (2), and the sliding blocks (21) are locked at opposite positions in the sliding grooves (11) through connecting components; the upright posts (1) are provided with supporting components for supporting the upright posts (1).

2. A foundation pit supporting construction according to claim 1, wherein the connection assembly includes: support depression bar (3) and fixed plate (32), support the relative both ends of depression bar (3) and be equipped with respectively with sliding block (21) and be close to support briquetting (31) of the notch one side butt of sliding groove (11), fixed plate (32) slip cover is established and is supported depression bar (3), fixed plate (32) are installed in the lateral wall of stand (1) through the bolt.

3. A foundation pit supporting structure according to claim 2, wherein one side of the compression bar (3) close to the supporting and protecting plate (2) is provided with a plurality of pairs of reinforcing bars (33) at intervals along the length direction, and two opposite ends of each pair of reinforcing bars (33) are respectively arranged on the compression bar (3) and the supporting and protecting plate (2); the two reinforcing rods (33) of each pair and the supporting plate (2) enclose a triangle.

4. A foundation pit supporting construction according to claim 3, wherein the support assembly comprises: the supporting rod (4), the one end of bracing piece (4) is installed in stand (1), the other end downward sloping towards the direction of keeping away from stand (1).

5. The excavation supporting structure of claim 4, wherein the support assembly further comprises: the buffer device comprises a buffer seat (5), a buffer block (51) which is arranged on the buffer seat (5) in a sliding manner and elastic pieces (52) which are arranged on two opposite sides of the buffer block (51), wherein the buffer block (51) slides towards the direction vertical to the arrangement direction of the upright columns (1); one end of the supporting rod (4) is hinged to the upright post (1), and the other end of the supporting rod is hinged to the buffer block (51).

6. A foundation pit supporting structure according to claim 5, characterized in that a sponge layer (6) is arranged on one side of the supporting and protecting plate (2) far away from the pressure resisting rod (3), and the sponge layer (6) is detachably mounted on the supporting and protecting plate (2) through a connecting piece.

7. An excavation supporting construction according to claim 6, wherein the connector comprises: locate sponge layer (6) and be close to dovetail block (61) of a backplate (2) one side, dovetail block (61) extend towards vertical direction, prop up backplate (2) and be equipped with dovetail (22) that supply dovetail block (61) card to go into.

8. A pit supporting construction according to claim 1, characterized in that the glide grooves (11) on opposite sides of the column (1) are offset.