CN212200511U - Deep foundation pit plugging device - Google Patents

Deep foundation pit plugging device Download PDF

Info

Publication number
CN212200511U
CN212200511U CN202020718499.0U CN202020718499U CN212200511U CN 212200511 U CN212200511 U CN 212200511U CN 202020718499 U CN202020718499 U CN 202020718499U CN 212200511 U CN212200511 U CN 212200511U
Authority
CN
China
Prior art keywords
pipe
foundation pit
hole
slip casting
plugging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020718499.0U
Other languages
Chinese (zh)
Inventor
刁邦宏
陈军培
张龙武
徐志海
袁兴明
李跃丰
高双
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Yuji Construction Engineering Co ltd
Original Assignee
Guangdong Yuji Construction Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Yuji Construction Engineering Co ltd filed Critical Guangdong Yuji Construction Engineering Co ltd
Priority to CN202020718499.0U priority Critical patent/CN212200511U/en
Application granted granted Critical
Publication of CN212200511U publication Critical patent/CN212200511U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to a technical field of foundation ditch protection, more specifically says, it relates to a deep basal pit plugging device, and deep basal pit's periphery is provided with the fender pile, has the infiltration point between the two adjacent fender piles, and the fixed shutoff steel sheet that is provided with on the wall body between the double-phase adjacent fender pile that has the infiltration point, is provided with slip casting leaking hole on the surface of the outside ground of the double-phase adjacent fender pile that has the infiltration point, is provided with slip casting floral tube in slip casting leaking hole, and the top of slip casting floral tube is connected with the slip casting device, the through-hole has been seted up at the center of shutoff steel sheet, the fixed shutoff piece that is provided with in one side that is far away from the wall body of shutoff steel sheet, the cavity has been seted up towards the lateral wall of wall body to the shutoff piece, the cavity with the through-hole is linked together, the wash port has been. The utility model discloses the effect of the rivers that have the reduction infiltration point to the impact force of shutoff steel sheet has increased the convenience of the fixed shutoff steel sheet of staff.

Description

Deep foundation pit plugging device
Technical Field
The utility model belongs to the technical field of the technique of foundation ditch protection and specifically relates to a deep basal pit plugging device is related to.
Background
At present, a foundation pit support structure is an underground concealed project, and the foundation pit construction and the surrounding environment are greatly influenced by the water leakage of the foundation pit, so that the water leakage position needs to be subjected to leakage stoppage treatment in time after the foundation pit is excavated. At present, the foundation pit plugging is generally performed by directly plugging a water leakage part by using a plugging material or plugging by a method of introducing holes from the ground for grouting, and in the actual operation process of the hole introduction grouting method, because the actual height of the water leakage part from the ground is unknown, if the water leakage condition occurs in a deep foundation pit, the hole introduction time is longer, the pipe plugging phenomenon can also occur to the plugging material during grouting, and the plugging cannot be smoothly realized. The leaking stoppage of the water leakage part is directly carried out by using the leaking stoppage material, firstly, the leaking hole with the leaking water is found, then, the grouting pipe is inserted for leaking stoppage, if the water flow is large, the leaking stoppage material can be washed out, therefore, a part of the water gushing is firstly discharged, then, the leaking stoppage is carried out, in addition, a filtering material or a filtering screen needs to be installed in the process of outwards gushing the water, otherwise, sandy soil can gush out along with the gushing water, and the foundation pit is damaged.
The existing leakage stopping and grouting device with the bulletin number of CN203891045U between fender piles of a deep foundation pit can also be called as a leakage stopping device of the deep foundation pit, and comprises the deep foundation pit, fender piles are arranged at the periphery of the deep foundation pit, existing water seepage points are arranged between two adjacent fender piles, a plugging steel plate is arranged on the wall of the two adjacent fender piles of the existing water seepage points, the plugging steel plate is fixed on the wall of the two adjacent fender piles of the existing water seepage points through expansion bolts, grouting leakage stopping holes are formed in the outer sides of the two adjacent fender piles of the existing water seepage points, grouting perforated pipes are arranged in the grouting leakage stopping holes, and the top ends of the grouting perforated pipes are connected with a grouting device.
The above prior art has the following disadvantages: this deep basal pit leaking stoppage device carries out the leaking stoppage through the shutoff steel sheet to the infiltration point, and when the rivers of infiltration point are great, the impact force of rivers to the shutoff steel sheet is great, when the staff fixes the shutoff steel sheet with expansion bolts, need use great power pneumatic cylinder shutoff steel sheet, operates inconveniently, consequently needs improve.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a deep basal pit plugging device has the effect of the rivers that reduce the infiltration point to the impact force of shutoff steel sheet, has increased the convenience of the fixed shutoff steel sheet of staff.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a fender pile is arranged on the periphery of a deep foundation pit, a water seepage point is arranged between two adjacent fender piles, a blocking steel plate is fixedly arranged on a wall body between two adjacent fender piles with the water seepage point, a grouting and leaking stoppage hole is formed in the surface of an outer foundation of the two adjacent fender piles with the water seepage point, a grouting floral tube is arranged in the grouting and leaking stoppage hole, a grouting device is connected to the top end of the grouting floral tube, a through hole is formed in the center of the blocking steel plate, a blocking block is fixedly arranged on one side, far away from the wall body, of the blocking steel plate, a cavity is formed in the side wall, facing the wall body, of the blocking block, the cavity is communicated with the through hole, and a drain hole is formed in the side wall of the blocking block.
Through adopting above-mentioned technical scheme, when the infiltration point has gone out between the double-phase adjacent fender post, laminate deep basal pit plugging device on the wall body, so that the infiltration point is located the through-hole of shutoff piece, the water that leaks out from between the fender post this moment is in through-hole flow direction cavity, then discharge through the wash port, even if when the rivers of percolating water are great, the cavity has the cushioning effect to the percolating water, it is more laborsaving to compare in directly carrying out the shutoff with the shutoff steel sheet to the infiltration point, the convenience of the fixed shutoff steel sheet of staff has been increased.
The present invention may be further configured in a preferred embodiment as: the drainage hole is internally and fixedly provided with a first drainage pipe, the lower end of the first drainage pipe is in threaded connection with a pipe joint, and the other end of the pipe joint is in threaded connection with a second drainage pipe.
Through adopting above-mentioned technical scheme, the percolating water passes through first drain pipe, coupling and second drain pipe in proper order, and the one end of keeping away from first drain pipe from the second drain pipe is arranged to the water catch bowl in, has avoided percolating water to spatter staff on one's body.
The present invention may be further configured in a preferred embodiment as: and a first sealing ring is arranged between the first water drainage pipe and the pipe joint, and a second sealing ring is arranged between the second water drainage pipe and the pipe joint.
By adopting the technical scheme, the first sealing ring increases the sealing property between the first drainage pipe and the pipe joint, and leakage water is prevented from leaking between the first drainage pipe and the pipe joint; the second sealing ring increases the sealing performance between the second drain pipe and the pipe joint, and leakage of leakage water between the second drain pipe and the pipe joint is avoided.
The present invention may be further configured in a preferred embodiment as: one end of the second drain pipe, which is far away from the first drain pipe, is in threaded connection with a blocking column.
Through adopting above-mentioned technical scheme, treat that the foundation ditch stifled hole device is fixed after, keep away from the one end of coupling with the second drain pipe through the jam post and block up, avoided on the one hand that the percolating water kept away from first drain pipe from the second drain pipe to arrange to the foundation ditch in, on the other hand percolating water becomes quiescent condition by the flow state.
The present invention may be further configured in a preferred embodiment as: and a rotating block is fixedly arranged at one end of the blocking column far away from the second drain pipe.
Through adopting above-mentioned technical scheme, rotate the jam post through rotating rotatory piece, compare in direct rotatory jam post more laborsaving.
The present invention may be further configured in a preferred embodiment as: the pipe joint comprises a first connecting pipe and a second connecting pipe which are communicated with each other, the top end of the first connecting pipe is in threaded connection with the bottom end of the first drainage pipe, one end, far away from the first connecting pipe, of the second connecting pipe is in threaded connection with one end, close to the first drainage pipe, of the second drainage pipe, and the length of the second connecting pipe is smaller than the distance from the drainage hole to the side wall of the foundation pit.
Through adopting above-mentioned technical scheme, avoided at the in-process of installation coupling, the one end that first connecting pipe was kept away from to the second connecting pipe collides the wall body of foundation ditch on.
The present invention may be further configured in a preferred embodiment as: the plugging steel plate and the foundation pit wall are fixed through expansion bolts, and gaskets are arranged between the expansion bolts and the plugging steel plate.
By adopting the technical scheme, the gasket increases the contact area between the expansion bolt and the plugging steel plate, and increases the fixing effect of the expansion bolt on the plugging steel plate.
The present invention may be further configured in a preferred embodiment as: and a water collecting tank is arranged at the bottom of the deep foundation pit.
Through adopting above-mentioned technical scheme, the water catch bowl can be collected the water that comes out from the seepage point seepage, then takes the water in the water catch bowl out to outside the foundation ditch through the water pump.
To sum up, the utility model discloses a following at least one useful technological effect:
1. compared with the plugging steel plate which is directly used for plugging the water seepage point, the deep foundation pit plugging device saves more labor, and increases the convenience for fixing the plugging steel plate by workers;
2. the leaked water sequentially passes through the first drain pipe, the pipe joint and the second drain pipe and is drained into the water collecting tank from one end of the second drain pipe, which is far away from the first drain pipe, so that the leaked water is prevented from splashing on the body of a worker;
3. by rotating the rotation block to rotate the plugging column, it is more labor-saving than directly rotating the plugging column.
Drawings
Fig. 1 is a schematic structural view of a deep foundation pit plugging device according to an embodiment of the present invention;
fig. 2 is a half sectional view of a plugging steel plate and a plugging block according to an embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;
FIG. 4 is a schematic view showing the assembled relationship of the first drain pipe, the pipe joint, and the second drain pipe;
fig. 5 is a partially enlarged schematic view of a portion B in fig. 4.
In the figure, 1, a guard post; 2. a water seepage point; 3. plugging a steel plate; 31. a through hole; 4. an expansion bolt; 5. a gasket; 6. a plugging block; 61. a cavity; 62. a drain hole; 7. a first drain pipe; 8. a pipe joint; 81. a first connecting pipe; 82. a second connecting pipe; 9. a first seal ring; 10. a second seal ring; 11. a second drain pipe; 12. plugging the column; 121. rotating the block; 13. a water collection tank; 14. grouting and plugging the hole; 15. grouting a floral tube; 16. a grouting device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a deep basal pit plugging device, the periphery of foundation ditch is provided with a plurality of fender pile 1, wherein has infiltration point 2 between two adjacent fender piles 1, and the fixed plugging steel sheet 3 that is provided with on the wall body between the double-phase adjacent fender pile 1 that has infiltration point 2, plugging steel sheet 3 can adopt the steel sheet of 3-5mm thickness.
Referring to fig. 2 and 3, the plugging steel plate 3 is fixed to the wall of the foundation pit through four expansion bolts 4, a gasket 5 is arranged between each expansion bolt 4 and the plugging steel plate 3, each expansion bolt 4 sequentially penetrates through the corresponding gasket 5, the corresponding plugging steel plate 3 and the corresponding side wall of the foundation pit in threaded connection, and the corresponding plugging steel plate 3 is fixed to the side wall of the foundation pit. So set up, gasket 5 has increased the area of contact between expansion bolts 4 and the shutoff steel sheet 3, has increased the effort of expansion bolts 4 to shutoff steel sheet 3.
Referring to fig. 2 and 3, a through hole 31 is formed in the center, far away from the side wall of the foundation pit, of the plugging steel plate 3, a plugging block 6 is welded on one side, far away from the wall, of the plugging steel plate 3, the plugging block 6 is cuboid in shape, a cavity 61 is formed in the direction, towards the side wall of the wall, of the plugging block 6, the cavity 61 is communicated with the through hole 31, and a drain hole 62 is formed in the vertical direction in the side wall of the lower surface of the plugging block 6.
Referring to fig. 4 and 5, a first drain pipe 7 is welded in the drain hole 62, the top end of the first drain pipe 7 is flush with the lower surface of the cavity 61, and the lower end of the first drain pipe 7 is threadedly connected with a pipe joint 8. Specifically, the external screw thread has been seted up to the lower extreme of first drain pipe 7, and coupling 8 is including first connecting pipe 81 and the second connecting pipe 82 of intercommunication each other, first connecting pipe 81 and second connecting pipe 82 mutually perpendicular, and first connecting pipe 81 is vertical setting, the top of first connecting pipe 81 and the bottom threaded connection of first drain pipe 7, is provided with first sealing washer 9 between first connecting pipe 81 and the first drain pipe 7. So set up, first sealing washer 9 has increased the leakproofness between first drain pipe 7 and the coupling 8, has avoided the seepage water from the seepage between first drain pipe 7 and the coupling 8. The second water discharge pipe 11 is threadedly connected to an end of the second connection pipe 82 remote from the first connection pipe 81. Specifically, an internal thread is formed at one end of the second connecting pipe 82, which is far away from the first connecting pipe 81, is in threaded connection with one end of the second drain pipe 11, which is close to the first drain pipe 7, and a second sealing ring 10 is arranged between the second connecting pipe 82 and the first connecting pipe 81. So set up, second sealing washer 10 has increased the leakproofness between second drain pipe 11 and coupling 8, has avoided the seepage water from leaking between second drain pipe 11 and coupling 8. The length of the second connecting pipe 82 is smaller than the distance from the drain hole 62 to the side wall of the foundation pit, so that the end, far away from the first connecting pipe 81, of the second connecting pipe 82 is prevented from colliding with the wall of the foundation pit in the process of installing the pipe joint 8.
Referring to fig. 4 and 5, a blocking column 12 is screwed to an end of the second drain pipe 11 away from the first drain pipe 7. An internal thread is formed in one end, far away from the first drain pipe 7, of the second drain pipe 11, one end, far away from the first drain pipe 7, of the second drain pipe 11 is in threaded connection with one end, close to the second drain pipe 11, of the blocking column 12, and a rotating block 121 is fixedly arranged at one end, far away from the second drain pipe 11, of the blocking column 12. So set up, come rotatory jam post 12 through rotating rotatory piece 121 to keep away from the one end of first drain pipe 7 with second drain pipe 11 and stop up, prevent a large amount of percolating water from discharging to the foundation ditch in from second drain pipe 11.
Referring to fig. 4 and 5, a water collecting tank 13 is provided at the bottom of the deep foundation pit, the water collecting tank 13 can collect water leaked from a leakage point, and then the water in the water collecting tank 13 is pumped out of the foundation pit by a water pump.
Referring to fig. 2 and 3, a grouting plugging hole 14 is formed in the upper surface of the foundation on the outer side of two adjacent fender posts 1 of a conventional water seepage point 2, the length direction of the grouting plugging hole 14 is vertical, the depth of the grouting plugging hole 14 is larger than that of the water seepage point 2, a grouting floral tube 15 is arranged in the grouting plugging hole 14, the top end of the grouting floral tube 15 is connected with a grouting device 16, double-liquid grouting is injected from the top end of the grouting floral tube 15 by the grouting device 16, and the double-liquid grouting flows to the water seepage point 2 through the grouting floral tube 15. The double-liquid grouting comprises cement paste and water glass, wherein the water glass is a quick-setting material, can play a role in quick setting, is commonly used for emergency repair and leakage stoppage of engineering, can also be used for foundation reinforcement, and is commonly used for foundation reinforcement by compaction grouting.
The implementation principle of the embodiment is as follows: when a water seepage point 2 appears on a wall body of the side wall of the deep foundation pit, the deep foundation pit plugging device is placed on the surface of the water seepage point 2, so that the side wall, far away from the plugging block 6, of the plugging steel plate 3 abuts against the side wall of the foundation pit, the expansion bolt 4 sequentially penetrates through the gasket 5 and the plugging steel plate 3 to be in threaded connection with the side wall of the foundation pit, water leaked from the water seepage point 2 sequentially flows through the cavity 61, the first drainage pipe 7, the first connecting pipe 81, the second connecting pipe 82 and the second drainage pipe 11 and is discharged into the water collecting tank 13 of the foundation pit from one end, far away from the first drainage pipe 7, of the second drainage pipe 11, compared with the case that the plugging steel plate 3 is directly used for plugging the water seepage point 2, the labor is saved, and the convenience for; after the plugging steel plate 3 is fixed, one end of the plugging column 12 and one end of the second drain pipe 11, far away from the first drain pipe 7, are in threaded connection through rotating the rotating block 121, a large amount of leakage water is prevented from being drained into a foundation pit from the second drain pipe 11, then the grouting device 16 is started, double-liquid grouting is conducted to the water seepage point 2 under the action of the grouting floral tube 15, the water seepage point 2 is plugged, after the double-liquid grouting is solidified, the next water seepage point is conveniently plugged by releasing the fixing effect of the expansion bolt 4 on the deep foundation pit plugging device, and the deep foundation pit plugging device is reused.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a deep basal pit plugging device, deep basal pit's periphery is provided with fender pile (1), there is infiltration point (2) between two adjacent fender piles (1), fixed shutoff steel sheet (3) that are provided with on the wall body between the double-phase adjacent fender pile (1) that has infiltration point (2), the surface of the outside ground of the double-phase adjacent fender pile (1) that has infiltration point (2) is provided with slip casting leaking stoppage hole (14) at the play, be provided with slip casting floral tube (15) in slip casting leaking stoppage hole (14), the top of slip casting floral tube (15) is connected with slip casting device (16), its characterized in that: the water-saving wall is characterized in that a through hole (31) is formed in the center of the blocking steel plate (3), a blocking block (6) is fixedly arranged on one side, far away from the wall body, of the blocking steel plate (3), a cavity (61) is formed in the side wall, facing the wall body, of the blocking block (6), the cavity (61) is communicated with the through hole (31), and a drain hole (62) is formed in the side wall of the blocking block (6).
2. The deep foundation pit plugging device according to claim 1, wherein: the drainage hole (62) is internally and fixedly provided with a first drainage pipe (7), the lower end of the first drainage pipe (7) is in threaded connection with a pipe joint (8), and the other end of the pipe joint (8) is in threaded connection with a second drainage pipe (11).
3. The deep foundation pit plugging device according to claim 2, wherein: first drain pipe (7) with be provided with first sealing washer (9) between coupling (8), be provided with second sealing washer (10) between second drain pipe (11) and coupling (8).
4. The deep foundation pit plugging device according to claim 3, wherein: one end of the second water discharge pipe (11) far away from the first water discharge pipe (7) is in threaded connection with a blocking column (12).
5. The deep foundation pit plugging device according to claim 4, wherein: one end of the blocking column (12) far away from the second drain pipe (11) is fixedly provided with a rotating block (121).
6. The deep foundation pit plugging device according to claim 2, wherein: the pipe joint (8) comprises a first connecting pipe (81) and a second connecting pipe (82) which are communicated with each other, the top end of the first connecting pipe (81) is in threaded connection with the bottom end of the first drainage pipe (7), one end, far away from the first connecting pipe (81), of the second connecting pipe (82) is in threaded connection with one end, close to the first drainage pipe (7), of the second drainage pipe (11), and the length of the second connecting pipe (82) is smaller than the distance from the drainage hole (62) to the side wall of the foundation pit.
7. The deep foundation pit plugging device according to claim 1, wherein: the plugging steel plate (3) and the foundation pit wall are fixed through expansion bolts (4), and gaskets (5) are arranged between the expansion bolts (4) and the plugging steel plate (3).
8. The deep foundation pit plugging device according to claim 1, wherein: and a water collecting tank (13) is arranged at the bottom of the deep foundation pit.
CN202020718499.0U 2020-04-30 2020-04-30 Deep foundation pit plugging device Active CN212200511U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020718499.0U CN212200511U (en) 2020-04-30 2020-04-30 Deep foundation pit plugging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020718499.0U CN212200511U (en) 2020-04-30 2020-04-30 Deep foundation pit plugging device

Publications (1)

Publication Number Publication Date
CN212200511U true CN212200511U (en) 2020-12-22

Family

ID=73831075

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020718499.0U Active CN212200511U (en) 2020-04-30 2020-04-30 Deep foundation pit plugging device

Country Status (1)

Country Link
CN (1) CN212200511U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114457831A (en) * 2022-01-19 2022-05-10 中天建设集团有限公司 Integral steel formwork leakage blocking device in foundation pit and construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114457831A (en) * 2022-01-19 2022-05-10 中天建设集团有限公司 Integral steel formwork leakage blocking device in foundation pit and construction method
CN114457831B (en) * 2022-01-19 2024-03-12 中天建设集团有限公司 Integral steel template plugging device in foundation pit and construction method

Similar Documents

Publication Publication Date Title
CN107326918B (en) Hidden type plugging impervious water collecting well penetrating through raft plates and construction process thereof
CN109736340B (en) Dewatering device and method for guaranteeing integrity of cushion layer by reserving dewatering well on foundation slab
CN107700475B (en) Assembled concrete underground diaphragm wall structure and construction process
CN107816117A (en) A kind of large-scale pressure current box culvert is not cut off the water outer restorative procedure
CN110965473B (en) Construction method of bridge bearing platform
CN212200511U (en) Deep foundation pit plugging device
CN111287794A (en) Karst tunnel underground water open type drainage structure and method
CN113373962B (en) Combined leakage stoppage construction method for deep foundation pit
CN211773604U (en) Pile sealing device for water gushing pile position hole on anchor rod static pressure pile
CN112281927A (en) Construction method for treating leakage of independent foundation of frame column
CN112176954A (en) Construction method for newly excavated channel
CN204456228U (en) A kind of diaphragm wall fast plugging device
CN213512367U (en) Pipe jacking construction system for high-water-level road section of natural gas pipeline
CN210684746U (en) Modified precipitation well plugging device
CN205205831U (en) Ground even wall defect seepage ends drainage structures
CN212104150U (en) Steel sleeve construction structure for treating piping of foundation pit exploration hole by drainage grouting method
CN104060636B (en) Pressure release anti-float method during high water level regional architecture foundation construction and device
CN208441115U (en) A kind of diaphram wall piping plugging structure
CN112982372A (en) Inner drilling pipe insertion pipe compaction grouting reinforcement method based on pipe gallery bottom plate cavity
CN213805525U (en) Underground continuous wall broken wall processing apparatus
CN216615923U (en) Deep basal pit confined water precipitation well steel casing pipe block structure
CN203834529U (en) Pressure-relieving anti-floating device for building foundation construction in high-water-level district
CN112982462B (en) Construction method for large-aperture pressurized water blocking of concrete member
CN214497606U (en) Prevention of seepage water reinforced structure based on independent basis of frame post
CN219933156U (en) Push type slurry outlet pipe jacking machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant