CN113338306B - Foundation pit supporting system - Google Patents
Foundation pit supporting system Download PDFInfo
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- CN113338306B CN113338306B CN202110812367.3A CN202110812367A CN113338306B CN 113338306 B CN113338306 B CN 113338306B CN 202110812367 A CN202110812367 A CN 202110812367A CN 113338306 B CN113338306 B CN 113338306B
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- foundation pit
- anchor rod
- soil body
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The utility model relates to a foundation ditch supporting system relates to construction's technical field, including the foundation ditch soil body, be equipped with on the foundation ditch soil body and enclose the fender body, fixedly connected with foundation ditch block net on the lateral wall of foundation ditch soil body, wear to be equipped with first stock in the foundation ditch soil body, the one end and the foundation ditch block net fixed connection of first stock, the other end with enclose the fender body and pass through fixed subassembly and be connected. During the foundation ditch soil body is worn to locate by first stock, the one end and the foundation ditch block net of first stock are fixed, fixed subassembly with the other end of first stock with enclose fender body fixed connection to on will enclosing the fender body and being fixed in the foundation ditch soil body, improve the fixed stability who encloses the fender body, reduce and enclose the risk that this body was blown and turned over by wind.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a foundation pit supporting system.
Background
The building foundation pit refers to a space below the ground dug for facilitating the construction of a building foundation and a basement, and the foundation pit is generally arranged in the open air. Excavation of a building foundation pit generally causes certain influence on the surrounding environment, and in order to ensure safety of an underground construction structure and the surrounding environment of the foundation pit, protective measures such as supporting and reinforcing are generally adopted for the side wall of the foundation pit and the surrounding environment, namely foundation pit supporting. For example, to prevent non-workers from entering the pit, the periphery of the pit is typically provided with a fence.
In the related technology, the enclosure generally comprises an enclosure frame and an enclosure net, and the enclosure net can reduce the possibility of preventing non-construction personnel from entering a construction site and reducing accidents; the enclosure frame is generally directly inserted into the soil, and then is reinforced on the ground through bolts.
To the correlation technique among the above-mentioned, the inventor thinks that in actual work progress, the construction site is easy to be blown, and wind blows to enclose the fender and makes to enclose the fender and rock, and when meetting strong wind weather, wind can be directly with enclosing the fender and link the root and pull up, and the fender that encloses of flying causes the potential safety hazard to constructor.
Disclosure of Invention
In order to improve the problem that the fender that encloses around the foundation ditch is easily run by the wind, this application provides a foundation ditch supporting system.
The application provides a foundation ditch support system adopts following technical scheme:
the utility model provides a foundation pit supporting system, includes the foundation pit soil body, be equipped with on the foundation pit soil body and enclose the fender body, fixedly connected with foundation pit block on the lateral wall of foundation pit soil body, wear to be equipped with first stock in the foundation pit soil body, the one end and the foundation pit block fixed connection of first stock, the other end with enclose the fender body and pass through fixed subassembly and be connected.
Through adopting above-mentioned technical scheme, during the foundation ditch soil body is worn to locate by first stock, the one end of first stock is fixed with the foundation ditch block net, fixed subassembly with the other end of first stock with enclose fender body fixed connection to enclose the fender body and be fixed in the foundation ditch soil body on, improve the fixed stability who encloses the fender body, reduce and enclose the risk that this integument wind blows over.
Preferably, fixed subassembly include with foundation ditch soil body fixed connection's buried bolt in advance, enclose fixedly connected with backup pad on the fender body, buried bolt in advance threaded connection has the lock nut who is used for fixed support board, be equipped with the solid fixed ring who is used for supplying first stock to wear to establish in the backup pad.
Through adopting above-mentioned technical scheme, buried bolt and lock nut threaded connection in advance, and then fixed backup pad and foundation ditch soil body, first stock passes in the stationary ring, and first stock can prevent solid fixed ring orientation to remove along the vertical direction of foundation ditch soil body, and then improves the fixed firm nature of backup pad, and further improves the fixed stability who encloses the fender body.
Preferably, a first supporting rod is fixed on the enclosing and blocking body, a second supporting rod is fixed on one side, away from the first supporting rod, of the enclosing and blocking body, and the first supporting rod and the second supporting rod are fixedly connected with a foundation pit soil body.
By adopting the technical scheme, the first supporting rod and the second supporting rod are respectively positioned at two sides of the enclosure body, and the first supporting rod and the second supporting rod form a triangular stable structure with the enclosure body, so that the possibility of shaking of the enclosure body is reduced; first bracing piece equals to the holding power of enclosing the fender body with the second bracing piece for enclose the fender body and be in a stress balance state, further improve the fixed stability who encloses the fender body.
Preferably, a second anchor rod and a third anchor rod penetrate through the foundation pit soil body, one end of the second anchor rod is fixedly connected with the foundation pit blocking net, and the other end of the second anchor rod is connected with the first support rod; and one end of the third anchor rod is fixedly connected with the foundation pit block net, and the other end of the third anchor rod is connected with the second support rod.
By adopting the technical scheme, the second anchor rod connects the foundation pit blocking net with the first support rod, so that the foundation pit blocking net, the second anchor rod and the first support rod are connected into a whole, and the fixing stability of the first support rod is improved; the foundation pit block net, the third anchor rod and the second support rod are also connected into a whole, so that the fixing stability of the first support rod is improved, and the fixing firmness of the enclosure body is further improved.
Preferably, first stock slope sets up, the one end that the fender body was higher than keeping away from the one end of enclosing the fender body towards enclosing the first stock.
Through adopting above-mentioned technical scheme, first stock slope sets up, increases the area of contact of first stock and the foundation ditch soil body, and then improves the frictional force of first stock and foundation ditch soil body, improves the fixed stability of first stock, reduces first stock and appears not hard up risk.
Preferably, the foundation pit block net is provided with a plurality of traction ropes, and one ends of the traction ropes far away from the foundation pit block net are fixedly connected with the enclosure body.
Through adopting above-mentioned technical scheme, the one end of haulage rope with enclose that the fender body is fixed, the other end is fixed with the foundation ditch block for the foundation ditch block with enclose the fender body and connect into a whole, the pulling force of haulage rope can reduce and enclose the risk that the fender body is blown away by wind, further improves and encloses the fixed firm nature of fender body.
Preferably, be equipped with the cavity recess in the first stock, be equipped with a plurality of first holes of inhaling on the first stock, first hole and the cavity recess intercommunication of inhaling, the cavity inslot is equipped with the anti-geomembrane of straining that is used for filtering earth, the anti-geomembrane of straining laminates with the cavity inslot wall, be equipped with the extraction subassembly that is used for extracting cavity inslot moisture on the first stock.
By adopting the technical scheme, the extraction assembly extracts air from the hollow groove, so that a negative pressure environment is formed in the hollow groove, the negative pressure drives the moisture in the foundation pit soil body to pass through the first suction hole and enter the hollow groove, and the anti-filtering geomembrane can prevent soil from entering the hollow groove, so that on one hand, the moisture in the foundation pit soil body can be reduced, and the risk of landslide caused by excessive moisture in the foundation pit soil body is reduced; on the other hand, soil in the foundation pit soil body can be locked, and soil loss is reduced.
Preferably, the extraction subassembly includes the drinking-water pipe with the coaxial setting of hollow groove, the drinking-water pipe passes through end cover fixed connection with first stock, it inhales the hole to be equipped with a plurality of seconds on the drinking-water pipe, the intercommunication has the vacuum chamber on the drinking-water pipe, be equipped with the vacuum pump on the vacuum chamber.
Through adopting above-mentioned technical scheme, the vacuum pump carries out the evacuation to the vacuum box, and vacuum box and drinking-water pipe intercommunication, and then form the negative pressure environment in the drinking-water pipe, and the negative pressure environment makes the moisture in the foundation ditch soil body pass through the second suction hole and gets into the drinking-water pipe, and finally outside the discharge foundation ditch soil body, the risk of taking place the foundation ditch landslide because of moisture is too much in the reduction foundation ditch soil body.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first anchor rod penetrates through a foundation pit soil body, one end of the first anchor rod is fixed with the foundation pit barrier net, and the other end of the first anchor rod is fixedly connected with the enclosure body through the fixing assembly, so that the enclosure body is fixed on the foundation pit soil body, the fixing stability of the enclosure body is improved, and the risk that the enclosure body is blown over by wind is reduced;
2. the first supporting rod and the second supporting rod are respectively positioned on two sides of the enclosure body, and both the first supporting rod and the second supporting rod and the enclosure body form a triangular stable structure, so that the possibility of shaking of the enclosure body is reduced; the supporting force of the first supporting rod and the supporting force of the second supporting rod to the enclosure body are equal, so that the enclosure body is in a stress balance state, and the fixing stability of the enclosure body is further improved;
3. the first anchor rod is obliquely arranged, so that the contact area between the first anchor rod and the foundation pit soil body is increased, the friction force between the first anchor rod and the foundation pit soil body is further improved, the fixing stability of the first anchor rod is improved, and the risk of loosening of the first anchor rod is reduced;
4. the vacuum pump carries out the evacuation to the vacuum box, and vacuum box and drinking-water pipe intercommunication, and then form the negative pressure environment in the drinking-water pipe, and the negative pressure environment makes the moisture in the foundation ditch soil body pass through the second and inhales the hole and get into the drinking-water pipe, and finally outside the foundation ditch soil body of discharging, the risk of taking place foundation ditch landslide because of moisture is too much in the reduction foundation ditch soil body.
Drawings
Fig. 1 is a schematic structural diagram for embodying the entirety in the embodiment of the present application.
Fig. 2 is a sectional view for embodying a fixing assembly in the embodiment of the present application.
Fig. 3 is a partially enlarged view of a in fig. 2.
Fig. 4 is a partially enlarged view of B in fig. 2.
Fig. 5 is an exploded view of an embodiment of the present application for embodying the internal structure of the first anchor.
Description of reference numerals: 1. a foundation pit soil body; 11. a second anchor rod; 12. a third anchor rod; 13. a fixing groove; 14. anchor bolts; 15. adjusting the nut; 2. a fence body; 21. a first support bar; 22. a second support bar; 23. a hoisting ring; 3. blocking a foundation pit; 31. a hauling rope; 32. a fixing plate; 4. a first anchor rod; 41. a hollow groove; 42. a first suction hole; 43. reverse filtering the geomembrane; 44. an extraction assembly; 441. a water pumping pipe; 442. sealing the end cover; 443. a second suction hole; 444. a vacuum box; 445. a vacuum pump; 5. a fixing component; 51. embedding bolts in advance; 52. a support plate; 53. locking the nut; 54. and (4) fixing the ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a foundation pit supporting system. Referring to fig. 1 and 2, a foundation pit supporting system comprises a foundation pit soil body 1, wherein an enclosure body 2 is installed on the foundation pit soil body 1, and the enclosure body 2 is perpendicular to the foundation pit soil body 1. The inside of foundation ditch soil body 1 is fixed with first stock 4, is fixed with foundation ditch block 3 on the lateral wall of foundation ditch soil body 1 for reduce earth and run off, reduce the risk that foundation ditch soil body 1 takes place to collapse. One end and the foundation ditch block 3 welded fastening of first stock 4, the other end with enclose fender body 2 and fix through fixed subassembly 5. During the installation, constructor pours into first stock 4 into foundation ditch soil body 1 into, then with first stock 4 towards foundation ditch barrier 3's one end and foundation ditch barrier 3 welded fastening, the other end is fixed with enclosing fender body 2 through fixed subassembly 5 for it forms a firm fixed system to enclose fender body 2, first stock 4, foundation ditch barrier 3 and foundation ditch soil body 1. And then when making to scrape the wind, the strong wind is difficult to will enclose fender body 2 and blow away, improves the fixed stability who encloses fender body 2.
Referring to fig. 2 and 3, in order to fix the enclosure body 2 on the foundation pit soil 1, the fixing assembly 5 includes an embedded bolt 51 and a supporting plate 52, the embedded bolt 51 is embedded in the foundation pit soil 1 in the vertical direction, the fixing groove 13 is opened on the upper end surface of the foundation pit soil 1, and the top end of the embedded bolt 51 penetrates through the bottom wall of the fixing groove 13. The supporting plate 52 and the end of the enclosure body 2 facing the foundation pit soil body 1 are welded and fixed, the supporting plate 52 is provided with a positioning hole, the bottom surface of the supporting plate 52 is attached to the bottom wall of the fixing groove 13, one end of the embedded bolt 51 penetrating out of the bottom wall of the fixing groove 13 penetrates out of the positioning hole, one end of the embedded bolt 51 penetrating out of the positioning hole is in threaded connection with a locking nut 53, and one side of the locking nut 53 facing the supporting plate 52 is tightly abutted to the supporting plate 52. The support plate 52 and the embedded bolt 51 are connected through the locking nut 53, fixing firmness of the support plate 52 and the embedded bolt 51 is improved, and fixing stability of the enclosure body 2 and the foundation pit soil body 1 is further improved.
Referring to fig. 3, a fixing ring 54 is welded on the side wall of the supporting plate 52, the inner diameter of the fixing ring 54 is equal to the outer diameter of the first anchor rod 4, in order to increase the contact area between the first anchor rod 4 and the foundation pit soil 1 and further improve the friction force between the first anchor rod 4 and the foundation pit soil 1, the first anchor rod 4 arranged in the fixing ring 54 is inclined, the inclination angle of the first anchor rod 4 is 45 °, and the end of the first anchor rod 4 facing the foundation pit barrier net 3 is lower than the end far away from the foundation pit barrier net 3. In order to facilitate the first anchor rod 4 to be fixed through, the cross section of the fixing ring 54 in the embodiment of the present application is also at an angle of 45 ° with the bottom surface of the supporting plate 52. First stock 4 wears to locate solid fixed ring 54 for first stock 4 is connected with backup pad 52, and then makes first stock 4 with enclose to keep off the body 2 and be connected, further improves and encloses the fixed stability who keeps off body 2 and foundation ditch soil body 1.
Referring to fig. 1 and 4, in order to improve the connection stability of the foundation pit retaining net 3 and the foundation pit soil body 1, a plurality of foundation bolts 14 are buried in the side wall of the foundation pit soil body 1, a plurality of fixing plates 32 which are in one-to-one correspondence with the foundation bolts 14 are welded on the foundation pit retaining net 3, one ends, far away from the foundation pit soil body 1, of the foundation bolts 14 penetrate through the fixing plates 32, one ends, far away from the fixing plates 32, of the foundation bolts 14 are in threaded connection with adjusting nuts 15, and one sides, facing the foundation pit retaining net 3, of the adjusting nuts 15 are abutted against the fixing plates 32. In order to improve foundation ditch block 3 and enclose the fastness of being connected between the fender body 2, enclose and keep off body 2 and weld on the one end lateral wall of foundation ditch soil body 1 and have a plurality of rings 23, rings 23 sets up towards one side of foundation ditch block 3, and every encloses the quantity that keeps off rings 23 on the body 2 and be 3. Rings 23 and the last welding have haulage rope 31, and haulage rope 31 is wire rope in this application embodiment, and the one end that rings 23 were kept away from to haulage rope 31 is fixed with the top welded of foundation ditch block 3. The pulling force of the hauling cable 31 can prevent the enclosure body 2 from being blown away by strong wind.
Referring to fig. 2, in order to reduce the possibility of shaking of the enclosure body 2, two first support rods 21 are welded at one end of the enclosure body 2 away from the foundation pit soil 1, the two first support rods 21 are respectively located at two ends of the enclosure body 2 along the length direction of the fixing groove 13, and the two first support rods 21 are both arranged towards one side of the foundation pit barrier net 3. The one end that keeps away from to enclose fender body 2 of first bracing piece 21 is fixed with foundation ditch soil body 1 through fixed subassembly 5, and fixed subassembly 5 here is the same with 5 fixed subassemblies structure on enclosing fender body 2, does not do here and does not describe any more. A second anchor rod 11 penetrates through the foundation pit soil body 1, one end of the second anchor rod 11 is fixedly welded with the foundation pit barrier net 3, the other end of the second anchor rod 11 is fixed with a fixing ring 54 on the first supporting rod 21, and the second anchor rod 11 and the first anchor rod 4 are arranged in parallel. Enclose and keep off body 2 and first bracing piece 21 formation triangle-shaped stable structure, reduce and enclose and keep off body 2 and take place the risk of rocking.
Referring to fig. 2, in order to further reduce to enclose and keep off the body 2 and take place to rock the possibility, it has two second bracing pieces 22 to enclose one side welding that keeps away from first bracing piece 21 of fender body 2, second bracing piece 22 sets up along enclosing fender body 2 symmetry with first bracing piece 21, second bracing piece 22 is kept away from the one end of enclosing fender body 2 and is passed through fixed subassembly 5 and foundation ditch body fixed connection, fixed subassembly 5 here is the same with the fixed subassembly 5 structure that encloses on the fender body 2, and this is also not repeated here. A third anchor rod 12 penetrates through the foundation pit soil body 1, one end of the third anchor rod 12 is fixedly welded with the foundation pit block net 3, the other end of the third anchor rod 12 is fixedly penetrated with a fixing ring 54 on the second support rod 22, and the third anchor rod 12, the second anchor rod 11 and the first anchor rod 4 are arranged in parallel. Enclose fender body 2, first bracing piece 21 and second bracing piece 22 and form two triangle-shaped stable structure, further reduce to enclose fender body 2 and take place to rock the risk.
Referring to fig. 5, in order to reduce the landslide of the soil caused by the excessive moisture content in the foundation pit soil 1. A hollow groove 41 is formed in the first anchor rod 4, and the hollow groove 41 is arranged coaxially with the first anchor rod 4. The side wall of the first anchor rod 4 is provided with a first suction hole 42, the first suction holes 42 are arrayed along the circumferential direction of the first anchor rod 4 in multiple groups, and each group is arrayed along the axial direction of the first anchor rod 4 in multiple groups. Each first suction hole 42 is communicated with the hollow groove 41, and in order to facilitate the insertion of the first anchor 4 into the foundation pit soil 1, the foremost end of the first anchor 4 in the advancing direction thereof is set in a conical shape. The hollow groove 41 is internally and coaxially embedded with a reverse filtering geomembrane 43, the reverse filtering geomembrane 43 is used for preventing soil from entering the hollow groove 41, the reverse filtering geomembrane 43 is cylindrical in the embodiment of the application, and the outer side wall of the reverse filtering geomembrane 43 is attached to the inner wall of the first anchor rod 4.
Referring to fig. 2 and 5, the first anchor 4 is provided with an extraction unit 44, and the extraction unit 44 is used for extracting the moisture in the hollow groove 41 to prevent the moisture in the hollow groove 41 from accumulating too much and flowing into the foundation pit soil 1. The extraction assembly 44 comprises a vacuum pump 445 fixed with the foundation pit soil body 1 through a bolt, the extraction end of the vacuum pump 445 is connected with a vacuum box 444, one end of the vacuum box 444 facing the foundation pit soil body 1 is communicated with a water pumping pipe 441, the water pumping pipe 441 is of a hollow structure, and the water pumping pipe 441 and the hollow groove 41 are coaxially arranged. One end of the water pumping pipe 441 far away from the vacuum box 444 is abutted against the bottom of the hollow groove 41, and the outer side wall of the water pumping pipe 441 is attached to the inner wall of the reverse filtering geomembrane 43. The side wall of the pumping pipe 441 is provided with a plurality of second suction holes 443, the second suction holes 443 are arrayed along the circumferential direction of the pumping pipe 441, and each group is arrayed along the axial direction of the pumping pipe 441. In order to improve the fixing stability of the first anchor rod 4 and the pumping pipe 441, an external thread is disposed at one end of the first anchor rod 4 facing the vacuum tank 444, a sealing end cap 442 is fixedly sleeved on the pumping pipe 441, and the sealing end cap 442 is in threaded connection with the external thread.
When the water content in the foundation pit soil body 1 is too high, the vacuum pump 445 is started, the air pumping end of the vacuum pump 445 pumps air in the water pumping pipe 441, a negative pressure environment is formed in the water pumping pipe 441, water in the foundation pit soil body 1 is driven to sequentially enter the water pumping pipe 441 through the first suction hole 42, the reverse filtering geomembrane 43 and the second suction hole 443, and finally the water is discharged from the water discharging end of the vacuum pump 445, so that the risk of soil loss caused by too high water content in the foundation pit soil body 1 is reduced.
The implementation principle of a foundation pit supporting system in the embodiment of the application is as follows: during construction, a constructor firstly installs the foundation pit retaining net 3 on the side wall of the foundation pit soil body 1, and the adjusting nut 15 is in threaded connection with the foundation bolt 14 to fix the foundation pit retaining net 3 on the foundation pit soil body 1. Secondly, the enclosure body 2 is inserted into the fixing groove 13, the positioning hole of the support plate 52 is sleeved on the embedded bolt 51, and the locking nut 53 is in threaded connection with the embedded bolt 51, so that the support plate 52 is fixed with the foundation pit soil body 1. Meanwhile, the first support rod 21 and the second support rod 22 are fixed with the foundation pit soil body 1 in the same fixing mode as the enclosure body 2. Then constructor will enclose fender body 2 and be connected with foundation ditch block net 3 with haulage rope 31, and the one end of haulage rope 31 is welded with rings 23 who encloses fender body 2, and the other end is welded with foundation ditch block net 3.
Then, the constructor sequentially penetrates the first anchor rod 4, the second anchor rod 11 and the third anchor rod 12 through the corresponding fixing rings 54 respectively and obliquely drives the first anchor rod 4, the second anchor rod 11 and the third anchor rod 12 into the foundation pit soil body 1, one ends of the first anchor rod 4, the second anchor rod 11 and the third anchor rod 12 facing the foundation pit barrier net 3 are welded and fixed with the foundation pit barrier net 3, and one ends of the first anchor rod 4, the second anchor rod 11 and the third anchor rod 12 far away from the foundation pit barrier net 3 are welded and fixed with the corresponding fixing rings 54 respectively.
Finally, the reverse filtering geomembrane 43 and the drain pipe are sequentially placed into the first anchor rod 4, the second anchor rod 11 and the third anchor rod 12, and the sealing end cap 442 is screwed. And a vacuum box 444 and a vacuum pump 445 are sequentially arranged at one end of the drain pipe, which is far away from the foundation pit blocking net 3. When the water content in the foundation pit soil body 1 is too high, the vacuum pump 445 is started, the air pumping end of the vacuum pump 445 pumps air in the water pumping pipe 441, a negative pressure environment is formed in the water pumping pipe 441, water in the foundation pit soil body 1 is driven to enter the water pumping pipe 441 through the first suction hole 42, the reverse filtering geomembrane 43 and the second suction hole 443 in sequence, and finally the water is discharged from the water discharging end of the vacuum pump 445, so that the risk of soil loss caused by too high water content in the foundation pit soil body 1 is reduced.
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 (3)
1. The utility model provides a foundation pit support system, includes the foundation pit soil body (1), be equipped with on the foundation pit soil body (1) and enclose fender body (2), its characterized in that: a foundation pit retaining net (3) is fixedly connected to the side wall of the foundation pit soil body (1), a first anchor rod (4) penetrates through the foundation pit soil body (1), one end of the first anchor rod (4) is fixedly connected with the foundation pit retaining net (3), and the other end of the first anchor rod is connected with the enclosure body (2) through a fixing component (5);
a hollow groove (41) is formed in the first anchor rod (4), a plurality of first suction holes (42) are formed in the first anchor rod (4), the first suction holes (42) are communicated with the hollow groove (41), a reverse filtering geomembrane (43) used for filtering soil is arranged in the hollow groove (41), the reverse filtering geomembrane (43) is attached to the inner wall of the hollow groove (41), and an extraction assembly (44) used for extracting moisture in the hollow groove (41) is arranged on the first anchor rod (4);
the extraction assembly (44) comprises a water pumping pipe (441) which is coaxial with the hollow groove (41), the water pumping pipe (441) is fixedly connected with the first anchor rod (4) through a sealing end cover (442), a plurality of second suction holes (443) are formed in the water pumping pipe (441), a vacuum box (444) is communicated with the water pumping pipe (441), and a vacuum pump (445) is arranged on the vacuum box (444);
the fixing component (5) comprises an embedded bolt (51) fixedly connected with a foundation pit soil body (1), a supporting plate (52) is fixedly connected to the enclosure body (2), the embedded bolt (51) is in threaded connection with a locking nut (53) used for fixing the supporting plate (52), and a fixing ring (54) used for the first anchor rod (4) to penetrate through is arranged on the supporting plate (52);
a first supporting rod (21) is fixed on the enclosure body (2), a second supporting rod (22) is fixed on one side, away from the first supporting rod (21), of the enclosure body (2), and the first supporting rod (21) and the second supporting rod (22) are fixedly connected with a foundation pit soil body (1);
a second anchor rod (11) and a third anchor rod (12) penetrate through the foundation pit soil body (1), one end of the second anchor rod (11) is fixedly connected with the foundation pit blocking net (3), and the other end of the second anchor rod is connected with a first supporting rod (21); one end of the third anchor rod (12) is fixedly connected with the foundation pit blocking net (3), and the other end of the third anchor rod is connected with the second supporting rod (22).
2. An excavation supporting system as claimed in claim 1, wherein: first stock (4) slope sets up, first stock (4) are higher than keeping away from the one end of enclosing fender body (2) towards the one end of enclosing fender body (2).
3. An excavation supporting system as claimed in claim 1, wherein: the foundation pit blocking net is characterized in that a plurality of traction ropes (31) are arranged on the foundation pit blocking net (3), and one ends, far away from the foundation pit blocking net (3), of the traction ropes (31) are fixedly connected with the enclosure body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110812367.3A CN113338306B (en) | 2021-07-19 | 2021-07-19 | Foundation pit supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110812367.3A CN113338306B (en) | 2021-07-19 | 2021-07-19 | Foundation pit supporting system |
Publications (2)
| Publication Number | Publication Date |
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| CN113338306A CN113338306A (en) | 2021-09-03 |
| CN113338306B true CN113338306B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110812367.3A Active CN113338306B (en) | 2021-07-19 | 2021-07-19 | Foundation pit supporting system |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209114477U (en) * | 2018-09-18 | 2019-07-16 | 浙江海北勘察股份有限公司 | A kind of weak foundation pit building enclosure |
| CN212742560U (en) * | 2020-06-19 | 2021-03-19 | 四川同风源建设工程有限公司 | Foundation pit supporting structure |
| CN111648381A (en) * | 2020-06-30 | 2020-09-11 | 贵州建工集团第一建筑工程有限责任公司 | Foundation pit supporting structure |
| CN213062029U (en) * | 2020-07-23 | 2021-04-27 | 广东宏堂基础建设工程有限公司 | Energy-conserving pile roof beam erects anchor supporting construction based on excavation supporting |
| CN212983877U (en) * | 2020-08-01 | 2021-04-16 | 江苏广传建设有限公司 | Ultra-deep foundation pit supporting structure |
| CN213358593U (en) * | 2020-09-29 | 2021-06-04 | 广东华固工程有限公司 | Foundation pit supporting structure formed by combining stirring pile and cast-in-place pile with inserted profile steel at top |
| CN112761168B (en) * | 2021-03-24 | 2021-09-17 | 无锡荣梁建设发展有限公司 | Foundation pit supporting device |
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- 2021-07-19 CN CN202110812367.3A patent/CN113338306B/en active Active
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| CN113338306A (en) | 2021-09-03 |
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