CN216075174U

CN216075174U - Foundation pit slope supporting structure

Info

Publication number: CN216075174U
Application number: CN202122335886.3U
Authority: CN
Inventors: 范士凯; 吴西臣; 胡浩
Original assignee: Wuhan Huatai Geotechnical Engineering Co ltd
Current assignee: Wuhan Huatai Geotechnical Engineering Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-03-18
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a foundation pit side slope supporting structure which comprises a first concrete protective layer, a second concrete protective layer, a fixing unit and a supporting unit, wherein the second concrete protective layer covers the horizontal ground and a slope surface, the first concrete protective layer is arranged above the second concrete protective layer, the fixing unit is arranged in the ground bottom and is positioned below the second concrete protective layer, and the supporting unit is arranged on the ground and is abutted against the bottom end of the slope section of the first concrete protective layer. The application has the following expected technical effects: this structure is not only fixed through fusing ground and supporting construction mutually, still supports through the support element, can effectively fix ground and slope, carries out rain-proof through two-layer protector simultaneously, effectively prevents to cause the landslide phenomenon because of the rainwater, has ensured constructor's personal safety.

Description

Foundation pit slope supporting structure

Technical Field

The utility model relates to a building structure, in particular to a foundation pit side slope supporting structure.

Background

The foundation burial depth is increased along with the high-rise building, so that the deep foundation pit construction is frequently encountered in the current engineering construction. For the deep foundation pit operation under the silty soil geological condition, the operation is common in northern areas of China, and due to the fact that the silty soil is soft, poor in stability and high in underground water level, effective technical measures must be taken for the safe operation of construction machinery, such as stable foundation pit slope and underground water pumping and drainage in the earth excavation process of the deep foundation pit, and safety of construction personnel and the construction machinery is guaranteed.

The notice number is: CN 206457844U's chinese patent discloses a deep foundation pit supporting structure, including the pit body of multilayer echelonment and the support frame of setting in the pit body, the support frame includes the channel-section steel that the level set up and a plurality of piling bars that arrange perpendicularly with the channel-section steel, a plurality of piling bars upper end passes through bolt fixed connection with the channel-section steel respectively, and its lower extreme is provided with a plurality of sand bags along the side slope bottom injection soil layer of pit body between the space department that forms between piling bar and pit body side slope, be equipped with the limiting plate on the lateral wall of piling bar, the limiting plate is parallel to each other with the horizontal plane.

This supporting construction all relies on supporting construction's holding power to support, and too big to supporting construction's load causes supporting construction to damage easily, and the security is not high, can't effectively ensure constructor's personal safety, and this structure can't effectively prevent simultaneously that the rainwater from soaking, causes the landslide easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a foundation pit side slope supporting structure aiming at the problems in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a foundation ditch side slope supporting construction, includes first concrete inoxidizing coating, second concrete inoxidizing coating, fixed unit and support element, the second concrete inoxidizing coating covers on level ground and slope, first concrete inoxidizing coating sets up second concrete inoxidizing coating top, fixed unit sets up in the ground end and is located second concrete inoxidizing coating below, support element set up subaerial and butt in the inclined plane section bottom of first concrete inoxidizing coating.

Through the technical scheme above adopting, first concrete inoxidizing coating can prevent effectively that the rainwater from soaking ground and causing the soil erosion and water loss, and the second concrete inoxidizing coating not only can further promote water-proof effects, can also make the earth on ground more firm through direct contact, and fixed unit setting is connected at the bottom of the ground and with the second concrete protective layer, and what make ground and second concrete protective layer be connected is inseparabler, and the supporting element can prevent effectively that the landslide phenomenon is caused because of raining. This structure is not only fixed through fusing ground and supporting construction mutually, still supports through the support element, can effectively fix ground and slope, carries out rain-proof through two-layer protector simultaneously, effectively prevents to cause the landslide phenomenon because of the rainwater, has ensured constructor's personal safety.

The first concrete protective layer and the second concrete protective layer are provided with cavities, and a plurality of connecting rods are arranged in the cavities at intervals.

Through the technical scheme above adopting, the cavity is used for excreting the rainwater that first concrete inoxidizing coating infiltration came in, prevents effectively that the rainwater from soaking ground, and the connecting rod is used for making supporting construction more firm with first concrete inoxidizing coating and second concrete inoxidizing coating fixed connection.

The fixed unit comprises many steel pipes, ground is provided with a plurality of pot holes and has been filled with concrete mud, the steel pipe inserts in the pot hole.

Through adopting above technical scheme, concrete mud solidifies in the pot hole after pouring into the pot hole to link together steel pipe and ground, the other end of steel pipe is connected in the second concrete inoxidizing coating simultaneously, makes ground and second concrete inoxidizing coating connect inseparabler, the effectual steadiness that has promoted the side slope.

The bottom of the first concrete protective layer is provided with a water outlet, and a filter screen is installed on the water outlet.

Through adopting above technical scheme, the filter screen can effectively filter the silt of aquatic, prevents that ground soil erosion and water loss from causing and cave in or landslide.

The supporting unit comprises sand bags, a baffle and a supporting rod, the sand bags are arranged on one side of the water outlet, the baffle is attached to the plurality of sand bags, one section of the supporting rod is connected to the ground, and the other end of the supporting rod is obliquely abutted to the baffle.

Through adopting above technical scheme, a plurality of sand and soil bags can effectively support the side slope, can also block partial silt of aquatic simultaneously, and the baffle plays the supporting role to the sand and soil bag, and the bracing piece can further promote the holding power of support element, makes the side slope more firm, and backup pad, baffle and sand and soil bag acquire the convenience simultaneously, and can recycle, and are with low costs.

And the bottom surface of the second concrete protective layer is also provided with a plurality of steel nails and is inserted into the ground.

Through adopting above technical scheme, a plurality of steel nails can make that second concrete inoxidizing coating and ground are connected more firm, have promoted the stability of side slope.

Compared with the prior art, the utility model has the beneficial effects that:

1. the first concrete inoxidizing coating can prevent effectively that the rainwater from soaking ground and causing the soil erosion and water loss, and the second concrete inoxidizing coating not only can further promote water-proof effects, can also make the earth on ground more firm through direct contact, and fixed unit setting is connected at the bottom of the ground and with the second concrete protective layer, makes ground and the connection of second concrete protective layer inseparabler, and the supporting element can prevent effectively that to cause the landslide phenomenon because of raining. The structure not only combines the ground and the supporting structure for fixation, but also supports through the supporting unit, can effectively fix the ground and the slope, and simultaneously prevents rain through two layers of protective devices, thereby effectively preventing landslide caused by rainwater and ensuring the personal safety of constructors;

2. concrete slurry is poured into the pot hole and then is solidified in the pot hole, the steel pipe is connected with the ground, meanwhile, the other end of the steel pipe is connected with the second concrete protective layer, the ground is connected with the second concrete protective layer more closely, and the stability of the side slope is effectively improved.

Drawings

FIG. 1 is a schematic structural view of a foundation pit slope supporting structure of the present invention;

fig. 2 is an enlarged view of a point a in fig. 1.

In the figure: 1. a first concrete protective layer; 2. a second concrete protective layer; 3. a fixing unit; 4. a support unit; 11. A cavity; 12. a connecting rod; 13. an opening; 14. a filter screen; 21. steel nails; 31. a steel pipe; 32. concrete slurry; 41. A sand bag; 42. a baffle plate; 43. a support rod.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, a foundation pit slope supporting structure comprises a first concrete protective layer 1, a second concrete protective layer 2, a fixing unit 3 and a supporting unit 4, wherein the second concrete protective layer 2 covers a horizontal ground and a slope surface, the second concrete protective layer 2 not only can further improve the waterproof effect, but also can make the soil on the ground more stable by directly contacting the ground, the first concrete protective layer 1 is arranged above the second concrete protective layer 2, the first concrete protective layer 1 can effectively prevent rainwater from immersing the ground to cause water loss, the fixing unit 3 is inserted into the ground and connected to the bottom surface of the second concrete protective layer 2, the fixing unit 3 is arranged at the ground bottom and connected with the second concrete protective layer 2 to make the ground and the second concrete protective layer 2 more tightly connected, the supporting unit 4 is arranged on the ground and abutted to the bottom end of the slope section of the first concrete protective layer 1, the supporting unit 4 can effectively prevent a landslide phenomenon caused by rain. This structure is not only fixed through fusing ground and supporting construction mutually, still supports through support element 4, can effectively fix ground and slope, carries out rain-proofly through two-layer protector simultaneously, prevents effectively that the personal safety of constructor has ensured because of the rainwater causes landslide phenomenon.

First concrete inoxidizing coating 1 and second concrete inoxidizing coating 2 are formed with cavity 11, interval arrangement has a plurality of connecting rods 12 in the cavity 11, connecting rod 12 is concrete and integrated into one piece between first concrete inoxidizing coating 1 and second concrete inoxidizing coating 2, cavity 11 is used for excreting the rainwater that first concrete inoxidizing coating 1 infiltration came in, effectively prevent rainwater and dip ground, connecting rod 12 is used for first concrete inoxidizing

coating

1 and 2 fixed connection of second concrete inoxidizing coating, make supporting construction more firm.

The fixed unit 3 is composed of a plurality of steel pipes 31, a plurality of pot holes are formed in the ground, concrete slurry 32 is filled in the pot holes, the steel pipes 31 are inserted into the pot holes, the concrete slurry 32 is solidified in the pot holes after being poured into the pot holes, the steel pipes 31 are connected with the ground, meanwhile, the other ends of the steel pipes 31 are connected with the second concrete protective layer 2, the ground and the second concrete protective layer 2 are connected more tightly, and the stability of the side slope is effectively improved.

The bottom of the side slope of the first concrete protective layer 1 is provided with a water outlet, a filter screen 14 is installed on the water outlet, and the filter screen 14 can effectively filter silt in water and prevent collapse or landslide caused by ground water and soil loss.

Support element 4 includes sand and soil bag, baffle 42 and bracing piece 43, a plurality of sand and soil bags 41 set up in delivery port one side, baffle 42 laminates in a plurality of sand and soil bags 41 and sets up and insert the ground end for one section, bracing piece 43 one end is connected in ground, bracing piece 43 other end slant butt in baffle 42, a plurality of sand and soil bags 41 can effectively support the side slope, can also block partial silt in aquatic simultaneously, baffle 42 plays the supporting role to sand and soil bag 41, bracing piece 43 can further promote support element 4's holding power, make the side slope more firm, the backup pad simultaneously, baffle 42 and sand and soil bag 41 acquire the convenience, and can recycle, and is with low costs.

2 bottom surface integrated into one piece of second concrete inoxidizing coating has a plurality of steel nails 21 and inserts ground, and a plurality of steel nails 21 can make the second concrete inoxidizing coating 2 more firm that is connected with ground, have promoted the stability of side slope.

The implementation principle of the embodiment of the application is as follows: first concrete inoxidizing coating 1 can prevent effectively that the rainwater from soaking ground and causing the soil erosion and water loss, and second concrete inoxidizing coating 2 not only can further promote water-proof effects, and the earth that can also make ground through direct contact ground is more firm, and fixed unit 3 sets up at the bottom of the ground and is connected with second concrete inoxidizing coating 2, makes ground and the inseparabler that second concrete inoxidizing coating 2 is connected, and support element 4 can prevent effectively that the landslide phenomenon is caused because of raining. This structure is not only fixed through fusing ground and supporting construction mutually, still supports through support element 4, can effectively fix ground and slope, carries out rain-proofly through two-layer protector simultaneously, prevents effectively that the personal safety of constructor has ensured because of the rainwater causes landslide phenomenon.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foundation ditch side slope supporting construction, its characterized in that, includes first concrete inoxidizing coating (1), second concrete inoxidizing coating (2), fixed unit (3) and support element (4), second concrete inoxidizing coating (2) cover on level ground and slope, first concrete inoxidizing coating (1) sets up second concrete inoxidizing coating (2) top, fixed unit (3) set up in the ground end and are located second concrete inoxidizing coating (2) below, support element (4) set up subaerial and butt in the inclined plane section bottom of first concrete inoxidizing coating (1).

2. A foundation pit slope supporting structure according to claim 1, wherein the first concrete protection layer (1) and the second concrete protection layer (2) form a cavity (11), and a plurality of connecting rods (12) are arranged in the cavity (11) at intervals.

3. A foundation pit slope supporting structure according to claim 1, wherein the fixing unit (3) is composed of a plurality of steel pipes (31), the ground is provided with a plurality of pot holes and is filled with concrete slurry (32), and the steel pipes (31) are inserted into the pot holes.

4. A foundation pit slope supporting structure according to claim 1, wherein the bottom of the first concrete protection layer (1) is provided with a water outlet, and a filter screen (14) is installed on the water outlet.

5. A foundation pit slope supporting structure according to claim 4, wherein the supporting unit (4) comprises sand bags (41), a baffle (42) and a supporting rod (43), a plurality of sand bags (41) are arranged on one side of the water outlet, the baffle (42) is attached to the plurality of sand bags (41) and is inserted into the ground, one section of the supporting rod (43) is connected to the ground, and the other end of the supporting rod (43) is obliquely abutted to the baffle (42).

6. A foundation pit slope supporting structure according to claim 4, wherein the second concrete protection layer (2) is further provided with a plurality of steel nails (21) at the bottom surface and is inserted into the ground.