CN211446958U - A kind of foundation pit support structure that is beneficial to drainage - Google Patents

Abstract

The utility model relates to a do benefit to excavation supporting construction of drainage, including the foundation ditch main part and set up in the foundation ditch of foundation ditch main part lateral wall and prop up the backplate, backplate and foundation ditch main part fixed connection are propped up to the foundation ditch, foundation ditch main part bottom surface is provided with the bottom plate that corresponds with the excavation supporting plate, bottom plate and foundation ditch main part fixed connection, bottom plate one side is extended and is provided with the curb plate, curb plate one side and the laminating of foundation ditch main part lateral wall, foundation ditch supporting plate bottom is provided with the lug, the recess that corresponds with the lug is seted up at the curb plate top, fix through the fastener between lug and the recess, fastener. The utility model discloses have the effect that makes a foundation ditch backplate and bottom plate firm be connected.

Description

A kind of foundation pit support structure that is beneficial to drainage

technical field

The utility model belongs to the technical field of foundation pit support, in particular to a foundation pit support structure which is favorable for drainage.

Background technique

The foundation pit support is to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, and the support, reinforcement and protection measures are adopted for the side wall of the foundation pit and the surrounding environment. Therefore, after the earthwork is excavated to the bottom of the groove, suspended water may be formed on the slope wall and flow into the foundation pit. In addition, the project construction may have to go through the rainy season, and a large amount of rainwater will accumulate in the foundation pit, which will easily cause inconvenience to the further construction of the project.

The existing Chinese patent with the publication number of CN206986900U discloses a foundation pit support with a structure conducive to drainage, including a foundation pit support plate, an anchor rod is arranged inside the foundation pit support plate, and the anchor rod is inserted into the inside of the slope wall, The foundation pit support plate and the slope wall are fixedly connected by bolts, one side of the foundation pit support plate is closely attached to the slope wall, and the other side of the foundation pit support plate is provided with a drainage pipe, which passes through the foundation pit support plate Inside, and the drain pipe is fixedly connected with the foundation pit support plate, the front end of the drain pipe is provided with a nylon mesh, the nylon mesh is wrapped on the outside of the drain pipe, a water filter groove is dug inside the slope wall, the nylon mesh is set in the water filter groove, and the inside of the water filter groove is Filled with gravel, the left end of the foundation pit support plate is provided with a protrusion, the right end of the foundation pit support plate is provided with a groove, and the groove and the protrusion are arranged in cooperation with each other.

The above technical solutions have the following defects: the connection between the foundation pit support plate and the foundation pit bottom is not strong enough, it is difficult to make the foundation pit support connection more firmly, resulting in low stability of the support structure, thus affecting the normal progress of the project.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present utility model is to provide a foundation pit support structure that is beneficial to drainage, which can stably connect the foundation pit support plate and the bottom plate.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A foundation pit support structure favorable for drainage, comprising a foundation pit main body and a foundation pit supporting plate arranged on the side wall of the foundation pit main body, the foundation pit supporting plate is fixedly connected with the foundation pit main body, and the foundation pit supporting plate is fixedly connected to the foundation pit main body. The bottom surface of the main body of the foundation pit is provided with a bottom plate corresponding to the foundation pit support plate, the bottom plate is fixedly connected with the main body of the foundation pit, a side plate is extended on one side of the bottom plate, and one side of the side plate is connected to the main body of the foundation pit. The side wall of the main body of the foundation pit is attached, the bottom of the foundation pit support plate is provided with a bump, the top of the side plate is provided with a groove corresponding to the bump, and the bump and the groove pass through. The fasteners are fixed, and the fasteners are fixedly connected with the main body of the foundation pit.

By adopting the above technical solution, the foundation pit support plate can be provided to support and protect the main body of the foundation pit. The fixed connection between the pit support plate and the bottom plate can increase the connection strength of the foundation pit support plate and the bottom plate, so that the foundation pit support plate and the bottom of the foundation pit are more firmly connected, thereby improving the stability of the support structure.

The utility model is further provided that: the fastener includes a first fixing hole horizontally opened on the protruding block, a second fixing hole horizontally opened on the side plate, and a first anchor connected to the main body of the foundation pit The second fixing hole is located on both sides of the groove, the first anchor rod passes through the first fixing hole and the second fixing hole, and is connected to the main body of the foundation pit by anchorage.

By adopting the above technical solution, the arrangement of the first fixing hole and the second fixing hole is convenient for the first anchor rod to pass through the foundation pit support plate and the convex block respectively, and the arrangement of the first anchor rod can be used for the foundation pit support plate and the side plate. and the main body of the foundation pit are fixed, thereby improving the stability of the supporting structure.

The utility model is further provided as follows: the bottom plate is provided with a plurality of first explosion bolts, the first explosion bolts vertically pass through the bottom plate, and are anchored and connected with the main body of the foundation pit.

By adopting the above technical solution, the arrangement of the first explosion bolt can stably connect the bottom plate and the main body of the foundation pit, thereby improving the stability of the supporting structure.

The utility model is further provided that: the foundation pit support plate is provided with a plurality of second anchor rods, and the second anchor rods horizontally pass through the foundation pit support plate and are anchored with the foundation pit main body.

By adopting the above technical solution, the arrangement of the second anchor rod can stably connect the foundation pit support plate and the foundation pit main body, thereby improving the stability of the support structure.

The utility model is further configured as follows: a side of the foundation pit support plate away from the main body of the foundation pit is provided with a first reinforcing rib and a second reinforcing rib, the first reinforcing rib is arranged horizontally, and the second reinforcing rib is arranged horizontally. The ribs are arranged vertically, and the main body of the foundation pit is respectively fixedly connected with the first reinforcing rib and the second reinforcing rib.

By adopting the above technical solution, the arrangement of the first reinforcing rib and the second reinforcing rib can improve the structural stability of the foundation pit supporting plate, thereby improving the stability of the supporting structure.

The utility model is further configured as follows: the bottom plate is provided with a reinforcing strip, the reinforcing strip is arranged obliquely, one end of the reinforcing strip is connected with the surface of the bottom plate, and one end of the reinforcing strip away from the bottom plate is connected to the base plate. The pit support plate is fixedly connected.

By adopting the above technical solution, the arrangement of the reinforcing strips can play a certain supporting role for the foundation pit supporting plate, and at the same time, it can further connect the foundation pit supporting plate and the bottom plate, thereby improving the stability of the supporting structure.

The utility model is further configured as follows: a drain pipe is arranged in the main body of the foundation pit, one end of the drain pipe penetrates the foundation pit support plate, and extends out of one side of the foundation pit support plate, and the drain pipe is connected to the foundation pit support plate. The foundation pit support plate is fixedly connected, and the drainage pipe is provided with a number of drainage holes.

By adopting the above technical solution, and by setting a drain pipe, the accumulated water in the main body of the foundation pit can be shot out through the drain pipe, thereby reducing the accumulated water in the main body of the foundation pit.

The utility model is further provided that: the main body of the foundation pit is provided with a drainage groove, the drainage groove is communicated with the drainage pipe, and the drainage groove is filled with filter material.

By adopting the above technical solution, the arrangement of the filter material can filter the accumulated water in the main body of the foundation pit, prevent the sediment in the main body of the foundation pit from entering the drain pipe, and prevent the drain pipe from being blocked.

To sum up, the beneficial technical effects of the present utility model are:

1. The setting of the foundation pit support plate can support and protect the main body of the foundation pit. By setting bumps and grooves, it can provide certain convenience for installing fasteners, and the foundation pit support plate can be protected by the fasteners. The fixed connection with the bottom plate can increase the connection strength between the foundation pit support plate and the bottom plate, so that the foundation pit support plate and the bottom of the foundation pit are more firmly connected, thereby improving the stability of the support structure.

2. The setting of the first bolt can fix the foundation pit support plate, the side plate and the main body of the foundation pit, the setting of the first explosion bolt can stably connect the bottom plate and the main body of the foundation pit, and the setting of the second bolt The foundation pit supporting plate and the main body of the foundation pit can be firmly connected, thereby improving the stability of the supporting structure; the arrangement of the reinforcement strips can further connect the foundation pit supporting plate and the bottom plate firmly.

Description of drawings

Fig. 1 is a schematic diagram of a foundation pit support structure that is conducive to drainage;

Figure 2 is a cross-sectional view of a foundation pit support structure conducive to drainage;

Fig. 3 is the partial enlarged schematic diagram of A part in Fig. 2;

Fig. 4 is a schematic diagram of a drainage pipe of a foundation pit support structure that facilitates drainage.

In the figure, 1, the main body of the foundation pit; 2, the foundation pit support plate; 3, the bottom plate; 4, the side plate; 5, the first explosion bolt; 6, the second anchor rod; 7, the third anchor rod; 8, the convex block; 9, groove; 10, fastener; 11, first fixing hole; 12, second fixing hole; 13, first anchor rod; 14, first reinforcing rib; 15, second reinforcing rib; 16, Reinforcing strip; 17. Fixed seat; 18. Waist hole; 19. Second explosion bolt; 20. Drainage groove; 21. Drainage pipe; 22. Filter material; 23. Drainage hole.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIG. 1, it is a foundation pit support structure disclosed by the utility model that is beneficial to drainage, including a foundation pit main body 1 and a foundation pit support plate 2 arranged on the side wall of the foundation pit main body 1, and the bottom surface of the foundation pit main body 1 is also provided with There is a bottom plate 3, the bottom plate 3 is provided with a side plate 4, the foundation pit supporting plate 2 is fixedly connected with the side wall of the foundation pit main body 1, the bottom plate 3 is fixedly connected with the foundation pit main body 1, and the foundation pit supporting plate 2 is suitable for the side plate 4. The foundation pit support plate 2 and the side plate 4 are fixed, so as to support and protect the foundation pit main body 1 .

The bottom plate 3 is arranged horizontally, and the bottom surface of the bottom plate 3 is in contact with the bottom of the groove of the main body 1 of the foundation pit. The bottom plate 3 is provided with a number of first explosion bolts 5, the distances between the adjacent two groups of the first explosion bolts 5 are equal, and the first explosion nuts corresponding to the first explosion bolts 5 are pre-buried in the groove bottom of the foundation pit main body 1 (not shown in the figure), the first explosion bolt 5 vertically passes through the bottom plate 3, and is threadedly connected with the first explosion nut (not shown in the figure) in the bottom of the groove of the main body of the foundation pit 1, so that the bottom plate 3 and the main body of the foundation pit are threaded. 1 to fix.

The foundation pit support plate 2 is arranged vertically, and one side of the foundation pit support plate 2 is attached to the side wall of the foundation pit main body 1 . The foundation pit support plate 2 is provided with a plurality of second anchor rods 6, the second anchor rods 6 are located on the upper part of the foundation pit support plate 2, the setting heights of the plurality of second anchor rods 6 are all equal, and the second anchor rods 6 horizontally pass through the foundation pit. The pit support plate 2 is anchored and connected to the side wall of the foundation pit main body 1 , so as to fix the foundation pit support plate 2 and the side wall of the foundation pit main body 1 . The foundation pit support plate 2 is provided with a number of third anchor rods 7, the third anchor rods 7 are located at the lower part of the foundation pit support plate 2, the setting heights of the plurality of third anchor rods 7 are all equal, and the third anchor rods 7 horizontally pass through the foundation pit. The pit support plate 2 is anchored to the side wall of the main body 1 of the foundation pit. By arranging several second anchor rods 6 and third anchor rods 7, the connection stability of the foundation pit support plate 2 and the foundation pit main body 1 can be improved, thereby improving the stability of the support structure.

The side plate 4 is arranged on one side of the surface of the bottom plate 3, the side plate 4 and the bottom plate 3 are integrally arranged, the length of the side plate 4 is the same as that of the foundation pit support plate 2, and the side of the side plate 4 away from the bottom plate 3 is the same as the foundation pit support plate 2. The side walls of the pit body 1 are fitted together. The lower end surface of the foundation pit support plate 2 is provided with a elongated bump 8 , which extends along the length direction of the foundation pit support plate 2 , and is integrally formed with the foundation pit support plate 2 . The upper end surface of the side plate 4 is provided with a groove 9 corresponding to the convex block 8. The groove 9 is extended along the length direction of the side plate 4, and the convex block 8 is located in the groove 9. The opposite side walls of the convex block 8 and the groove 9. The two opposite side walls are in contact, and the foundation pit support plate 2 and the side plate 4 are fixed by fasteners 10.

2 and 3 , the fastener 10 includes a first fixing hole 11 horizontally opened on the bump 8 , a second fixing hole 12 horizontally opened on the side plate 4 and a first anchor rod fixedly connected to the main body 1 of the foundation pit 13. The first fixing holes 11 penetrate through the opposite two side walls of the bump 8 . The first fixing holes 11 are provided with several groups. distances are equal. The opening number of the second fixing holes 12 is equal to the opening number of the first fixing holes 11 , and the positions of the second fixing holes 12 correspond to the positions of the first fixing holes 11 , and the second fixing holes 12 are located on both sides of the groove 9 . After the first anchor rod 13 passes through the first fixing hole 11 and the second fixing hole 12 , it is anchored and connected to the main body 1 of the foundation pit. The arrangement of the first anchor rod 13 can fix the foundation pit support plate 2 , the side plate 4 and the foundation pit main body 1 , thereby improving the stability of the support structure.

2 and 4, a drainage groove 20 is provided at the position of the foundation pit main body 1 close to the foundation pit support plate 2, and the foundation pit main body 1 is provided with a drainage pipe 21 for drainage. Close to the foundation pit support plate 2, the lower the height of the drain pipe 21, the drain pipe 21 is connected to the drainage groove 20, one end of the drain pipe 21 penetrates the foundation pit support plate 2, and extends out of the foundation pit support plate 2 away from the main body of the foundation pit On one side of 1, the drain pipe 21 is fixedly connected to the foundation pit support plate 2. The drainage groove 20 is filled with a number of filter materials 22, and the filter material 22 fills the entire drainage groove 20. The specific material of the filter material 22 is granular porcelain sand, and the setting of the filter material 22 can filter the accumulated water in the main body 1 of the foundation pit. The sediment in the main body 1 of the foundation pit is prevented from entering the drainage pipe 21 . The surface of the drainage pipe 21 is provided with a plurality of drainage holes 23 for drainage, and the drainage groove 20 and the drainage pipe 21 communicate with each other through the drainage holes 23 .

1 , the bottom plate 3 is provided with a reinforcing bar 16 , one end of the reinforcing bar 16 is hinged with the bottom plate 3 , and the reinforcing bar 16 can swing vertically along the bottom plate 3 . One end of the reinforcing bar 16 away from the bottom plate 3 is hinged with a fixing seat 17 . The fixing seat 17 is provided with two sets of waist-shaped holes 18 horizontally. Fitted with one side of the foundation pit support plate 2. The fixing base 17 is provided with two sets of second explosion bolts 19 , and a second explosion nut (not shown in the figure) is pre-embedded in the position of the foundation pit support plate 2 corresponding to the second explosion bolt 19 , and the second explosion bolt 19 passes through the corresponding position of the second explosion bolt 19 . After the waist-shaped hole 18 is formed, it is threadedly connected with the second explosion nut (not shown in the figure) in the foundation pit support plate 2, so as to realize the fixed connection between the fixing seat 17 and the foundation pit support plate 2, so that the reinforcing bars 16 are opposite to each other. The foundation pit supporting plate 2 plays a certain supporting and protective role, and further fixes the foundation pit supporting plate 2 and the bottom plate 3, thereby improving the stability of the supporting structure.

The side of the foundation pit support plate 2 away from the side wall of the main body 1 of the foundation pit is provided with a first reinforcing rib 14 and a second reinforcing rib 15 . The ribs 14 are arranged horizontally, and the second reinforcement ribs 15 are arranged vertically. 2, between the first reinforcing rib 14 and the foundation pit supporting plate 2, and between the second reinforcing rib 15 and the foundation pit supporting plate 2 are connected by welding.

The implementation principle of this embodiment is as follows: after the excavation of the foundation pit main body 1 is completed, the bottom plate 3 and the foundation pit support plate 2 are set at the corresponding positions, so that the bottom surface of the bottom plate 3 is fitted with the groove bottom of the foundation pit main body 1, and the side The plate 4 and the foundation pit support plate 2 are both attached to the side wall of the foundation pit main body 1, and the bump 8 is located in the groove 9, and the bottom plate 3 is fixed by the first explosion bolt 5, and the first bolt 13 , the second anchor rod 6 and the third anchor rod 7 fix the foundation pit support plate 2, and the fixing seat 17 is fixed on the foundation pit support plate 2 through the second explosion bolt 19; the accumulated water in the foundation pit main body 1 After being filtered by the filter material 22 , it flows into the drainage pipe 21 through the drainage hole 23 , and then drains out of the main body 1 of the foundation pit through the drainage pipe 21 .

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. A foundation pit supporting structure beneficial to drainage comprises a foundation pit main body (1) and a foundation pit supporting and protecting plate (2) arranged on the side wall of the foundation pit main body (1); the method is characterized in that: foundation ditch backplate (2) with foundation ditch main part (1) fixed connection, foundation ditch main part (1) bottom surface be provided with bottom plate (3) that foundation ditch backplate (2) correspond, bottom plate (3) with foundation ditch main part (1) fixed connection, bottom plate (3) one side is extended and is provided with curb plate (4), curb plate (4) one side with foundation ditch main part (1) lateral wall laminating, foundation ditch backplate (2) bottom is provided with lug (8), curb plate (4) top seted up with recess (9) that lug (8) correspond, lug (8) with fix through fastener (10) between recess (9), fastener (10) with foundation ditch main part (1) fixed connection.

2. A drainage facilitating foundation pit supporting structure according to claim 1, wherein: fastener (10) are seted up including the level in first fixed orifices (11), the level of lug (8) are seted up in second fixed orifices (12) of curb plate (4) and with first stock (13) that foundation ditch main part (1) is connected, second fixed orifices (12) are located the both sides of recess (9), first stock (13) pass first fixed orifices (11) with second fixed orifices (12), and with foundation ditch main part (1) anchor is connected.

3. A drainage facilitating foundation pit supporting structure according to claim 1, wherein: the base plate (3) is provided with a plurality of first explosion bolts (5), and the first explosion bolts (5) vertically penetrate through the base plate (3) and are fixedly connected with the foundation pit main body (1).

4. A drainage facilitating foundation pit supporting structure according to claim 1, wherein: the foundation pit supporting and protecting plate (2) is provided with a plurality of second anchor rods (6), and the second anchor rods (6) horizontally penetrate through the foundation pit supporting and protecting plate (2) and are connected with the foundation pit main body (1) in an anchoring mode.

5. A drainage facilitating foundation pit supporting structure according to claim 1, wherein: foundation ditch backplate (2) are kept away from one side of foundation ditch main part (1) is provided with first reinforcement muscle (14) and second reinforcement muscle (15), first reinforcement muscle (14) are the level setting, second reinforcement muscle (15) are vertical setting, foundation ditch main part (1) respectively with first reinforcement muscle (14) with second reinforcement muscle (15) fixed connection.

6. A drainage facilitating foundation pit supporting structure according to claim 1, wherein: the foundation pit supporting and protecting device is characterized in that a reinforcing strip (16) is arranged on the bottom plate (3), the reinforcing strip (16) is obliquely arranged, one end of the reinforcing strip (16) is connected with the surface of the bottom plate (3), and one end of the reinforcing strip (16) far away from the bottom plate (3) is fixedly connected with the foundation pit supporting and protecting plate (2).

7. A drainage facilitating foundation pit supporting structure according to claim 1, wherein: the foundation pit supporting and protecting structure is characterized in that a drain pipe (21) is arranged in the foundation pit main body (1), one end of the drain pipe (21) penetrates through the foundation pit supporting and protecting plate (2) and extends out of one side of the foundation pit supporting and protecting plate (2), the drain pipe (21) is fixedly connected with the foundation pit supporting and protecting plate (2), and a plurality of drain holes (23) are formed in the drain pipe (21).

8. A drainage facilitating foundation pit supporting structure according to claim 7, wherein: drainage channel (20) have been seted up in foundation ditch main part (1), drainage channel (20) with drain pipe (21) intercommunication, drainage channel (20) intussuseption is filled with filter material (22).

Images