CN217399671U

CN217399671U - Compound underground structure

Info

Publication number: CN217399671U
Application number: CN202221049146.1U
Authority: CN
Inventors: 李超; 方翔; 卓林华
Original assignee: Zhongji Jiurui Geotechnical Engineering Co ltd
Current assignee: Zhongji Jiurui Geotechnical Engineering Co ltd
Priority date: 2022-04-30
Filing date: 2022-04-30
Publication date: 2022-09-09
Anticipated expiration: 2032-04-30

Abstract

The utility model discloses a compound excavation supporting construction relates to building engineering technical field, and technical scheme does, including the horizontal stull that the fender apron that sets up on the both sides wall in the foundation ditch, set up the fender board on the fender apron and connect both sides fender apron, the fender board sets up on the lateral wall that keeps off the fender board, and horizontal stull tip is provided with the connecting plate, and the connecting plate passes through bolt and fender board fixed connection. The beneficial effects of the utility model are that: this scheme design a compound underground structure, lie in the foundation ditch and form quadrilateral structure between two adjacent horizontal stull on same one side soil guard plate and the auxiliary stay bar between the horizontal stull, connect through the L shaped plate between horizontal stull and the auxiliary stay bar at its diagonal angle department for quadrilateral structure forms a rectangular structure, and rectangular structure is stronger than quadrilateral structure's stability, has guaranteed supporting structure's overall stability.

Description

Compound underground structure

Technical Field

The utility model relates to a building engineering technical field, in particular to compound underground structure.

Background

A foundation pit is an earth pit excavated at a designed position of a foundation according to a base elevation and a base plane size, and in order to prevent a pit wall from toppling over during excavation, a supporting structure for supporting a peripheral wall is generally provided in the foundation pit.

Common excavation supporting construction is including being used for inserting the underground fender board that props up, and this fender board sets up towards the foundation ditch inner wall, and when the foundation ditch inner wall of here topples over in towards the foundation ditch, the fender board can play certain support effect.

Along with digging under the foundation ditch, the area of contact of supporting plate and ground is littleer and littleer, leads to the support effect that supporting plate can play to reduce. For guaranteeing the supporting effect of supporting plate, set up the support frame in one side of supporting plate inside wall of the foundation ditch dorsad among the prior art, because weak soil foundation ditch bearing capacity and stability are not enough itself, and the atress is relatively poor between current excavation supporting construction and excavation supporting subassembly often structure. In order to avoid the above technical problems, it is necessary to provide a supporting structure that can be disposed on one side of the supporting plate facing away from the inner wall of the foundation pit and on the other side of the supporting plate facing the inside of the foundation pit, so as to improve the overall supporting performance.

SUMMERY OF THE UTILITY MODEL

In order to realize the utility model purpose, to above-mentioned technical problem, the utility model provides a compound underground structure.

Its technical scheme does, including the fender apron that sets up on the wall of both sides in the foundation ditch, set up the horizontal stull that keeps off the fender apron on the fender apron and connect both sides fender apron, it sets up to prop up the backplate the lateral wall that keeps off the fender apron is last, horizontal stull tip is provided with the connecting plate, the connecting plate both ends pass through the bolt with supporting plate fixed connection.

The horizontal cross brace comprises an outer rod and an inner rod which is sleeved in one end of the outer rod in a sliding mode, a plurality of threaded holes are correspondingly formed in the side wall of the outer rod and the side wall of the inner rod, and the side wall of the outer rod is fixedly connected with the side wall of the inner rod through bolts;

the connecting rod is arranged between the two horizontal cross braces, one end of the inner rod is connected with the outer rod, the other end of the inner rod is connected with the connecting rod, cavities are formed in two ends of the connecting rod, one end of the inner rod is sleeved in each cavity, and the inner rod is fixedly connected with the side wall of the connecting rod through bolts.

Lie in the foundation ditch in with one side be provided with auxiliary stay pole between two adjacent outer poles on the fender apron, be provided with the connecting block of Contraband font on two adjacent outer pole relative lateral walls, auxiliary stay pole's both ends are provided with the spliced pole, the connecting block with set up corresponding vertical screw hole on the spliced pole, through bolt fixed connection between connecting block and the spliced pole.

In a quadrilateral structure formed between two adjacent horizontal cross braces on the same side of the retaining plate in the foundation pit and the auxiliary support rod between the horizontal cross braces, the horizontal cross braces at opposite angles are fixedly connected with the auxiliary support rod through L-shaped plates;

one side plate of the L-shaped plate is fixedly connected with the horizontal cross brace through a bolt, and the other side plate of the L-shaped plate is fixedly connected with the auxiliary supporting rod through a bolt.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the scheme provides a supporting structure which can be arranged on one side of a supporting plate facing the inside of a foundation pit, wherein two side walls of the inside of the foundation pit are provided with retaining plates, the outer sides of the retaining plates are provided with supporting plates, the outer sides of the supporting plates are connected with horizontal cross braces, the relative positions of outer rods and inner rods of the horizontal cross braces are adjusted according to the distance between the retaining plates on the two sides of the foundation pit, one end of each inner rod is fixedly connected with each outer rod, and the other end of each inner rod is fixedly connected with the side wall of each connecting rod; lie in the foundation ditch and form quadrilateral structure between two adjacent horizontal stull on same one side retaining plate and the auxiliary stay between the horizontal stull, connect through L shaped plate between horizontal stull and the auxiliary stay at its diagonal angle department for quadrilateral structure forms a rectangular structure, and rectangular structure is stronger than quadrilateral structure's stability, has guaranteed supporting construction's overall stability.

Drawings

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

Fig. 2 is a partially enlarged view a of fig. 1.

Fig. 3 is a top view of an embodiment of the present invention.

Wherein the reference numerals are: 1. a soil guard plate; 2. supporting the guard plate; 3. horizontal cross bracing; 301. an outer pole; 302. an inner rod; 303. a connecting plate; 4. a bolt; 5. a connecting rod; 6. an auxiliary support bar; 7. connecting blocks; 8. connecting columns; 9. an L-shaped plate.

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. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

Referring to fig. 1 to 3, the utility model provides a compound excavation supporting construction, keep off fender board 1, the horizontal stull 3 that sets up on fender board 1 and connect both sides fender board 1 including setting up on the both sides wall in the foundation ditch, 2 sets up on the lateral wall that keeps off fender board 1 of supporting board, and 3 tip of horizontal stull are provided with connecting plate 303, and

bolt

4 and 2 fixed connection of a fender board are passed through at connecting plate 303 both ends.

The horizontal cross brace 3 comprises an outer rod 301 and an inner rod 302 which is sleeved in one end of the outer rod 301 in a sliding mode, a plurality of threaded holes are correspondingly formed in the side wall of the outer rod 301 and the side wall of the inner rod 302, and the side wall of the outer rod 301 and the side wall of the inner rod 302 are fixedly connected through bolts 4;

be provided with connecting rod 5 between two horizontal crossbearers 3, the one end and the outer pole 301 of interior pole 302 are connected, and the other end is connected with connecting rod 5, and the both ends of connecting rod 5 set up the cavity, and interior pole 302 one end cup joints in the cavity, through 4 fixed connection of bolt between the lateral wall of interior pole 302 and connecting rod 5.

Be located and be provided with auxiliary stay bar 6 between two adjacent outer poles 301 on the same one side retaining plate 1 in the foundation ditch, be provided with the connecting block 7 of Contraband font on two adjacent outer pole 301 relative lateral walls, the both ends of auxiliary stay bar 6 are provided with spliced pole 8, set up corresponding vertical screw hole on connecting block 7 and the spliced pole 8, pass through bolt 4 fixed connection between connecting block 7 and the spliced pole 8.

In a quadrilateral structure formed between two adjacent horizontal cross braces 3 on the same side of the retaining plate 1 in the foundation pit and the auxiliary support rod 6 between the horizontal cross braces 3, the horizontal cross braces 3 and the auxiliary support rods 6 at opposite angles are fixedly connected through L-shaped plates 9;

one side plate of the L-shaped plate 9 is fixedly connected with the horizontal cross brace 3 through a bolt 4, and the other side plate of the L-shaped plate 9 is fixedly connected with the auxiliary supporting rod 6 through a bolt 4.

When the utility model is used, the two side walls in the foundation pit are provided with the retaining plates 1, the outer sides of the retaining plates 1 are provided with the supporting plates 2, the outer sides of the supporting plates 2 are fixedly connected with the horizontal cross braces 3 through the bolts 4, the relative position between the outer rods 301 and the inner rods 302 of the horizontal cross braces 3 is adjusted according to the distance between the retaining plates 1 on the two sides of the foundation pit, then one end of the inner rod 302 is fixedly connected with the outer rods 302 through the bolts 4, and the other end is fixedly connected with the side wall of the connecting rod 5;

connect through auxiliary stay bar 6 between two adjacent horizontal stull 3, lie in the foundation ditch and form quadrilateral structure between two adjacent horizontal stull 3 and the auxiliary stay bar 6 between the horizontal stull 3 on the same one side retaining plate 1, then connect through L shaped plate 9 between horizontal stull 3 and the auxiliary stay bar 6 at its diagonal angle department for quadrilateral structure forms a stable rectangular structure, has guaranteed supporting construction's overall stability.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a compound foundation ditch supporting construction, its characterized in that, including the horizontal stull (3) of the fender apron (1), fender board (2) and connection both sides fender apron (1) of setting on the both sides wall in the foundation ditch on the wall of both sides, fender board (2) set up on the lateral wall of fender apron (1), horizontal stull (3) tip is provided with connecting plate (303), connecting plate (303) both ends pass through bolt (4) with fender board (2) fixed connection.

2. The composite foundation pit supporting structure according to claim 1, wherein the horizontal cross brace (3) comprises an outer rod (301) and an inner rod (302) which is slidably sleeved inside one end of the outer rod (301), a plurality of threaded holes are correspondingly formed in the side wall of the outer rod (301) and the side wall of the inner rod (302), and the side wall of the outer rod (301) and the side wall of the inner rod (302) are fixedly connected through bolts (4);

two be provided with connecting rod (5) between horizontal stull (3), the one end of interior pole (302) with outer pole (301) are connected, the other end with connecting rod (5) are connected, the both ends of connecting rod (5) set up the cavity, interior pole (302) one end cup joints in the cavity, through bolt (4) fixed connection between the lateral wall of interior pole (302) and connecting rod (5).

3. The composite foundation pit supporting structure according to claim 2, wherein an auxiliary supporting rod (6) is arranged between two adjacent outer rods (301) on the soil retaining plate (1) on the same side in the foundation pit, Contraband-shaped connecting blocks (7) are arranged on the opposite side walls of the two adjacent outer rods (301), connecting columns (8) are arranged at two ends of the auxiliary supporting rod (6), corresponding vertical threaded holes are formed in the connecting blocks (7) and the connecting columns (8), and the connecting blocks (7) and the connecting columns (8) are fixedly connected through bolts (4).

4. A composite foundation pit supporting structure according to claim 3, wherein in a quadrilateral structure formed between two adjacent horizontal wales (3) on the soil blocking plate (1) and the auxiliary supporting rods (6) between the horizontal wales (3) on the same side in the foundation pit, the horizontal wales (3) and the auxiliary supporting rods (6) at opposite corners are fixedly connected through L-shaped plates (9);

one side plate of the L-shaped plate (9) is fixedly connected with the horizontal cross brace (3) through a bolt (4), and the other side plate of the L-shaped plate (9) is fixedly connected with the auxiliary supporting rod (6) through the bolt (4).