CN211228532U - Shallow karst cave processing structure that buries - Google Patents
Shallow karst cave processing structure that buries Download PDFInfo
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- CN211228532U CN211228532U CN201921688808.8U CN201921688808U CN211228532U CN 211228532 U CN211228532 U CN 211228532U CN 201921688808 U CN201921688808 U CN 201921688808U CN 211228532 U CN211228532 U CN 211228532U
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Abstract
The utility model provides a shallow karst cave treatment structure, which comprises a concrete wall arranged on one side of a karst cave water body; the bottom of the concrete wall is penetrated with an inverted siphon, the middle part is inserted with a drain pipe, and the top part is inserted with an exhaust pipe; the top of the karst cave is provided with a construction platform, a plurality of backfill grouting pipes penetrate through the construction platform, the inlet ends of the backfill grouting pipes leak outwards, and the outlet ends of the backfill grouting pipes are adjacent to the water body. The utility model discloses the time period of gushing water in a large number in the period of avoiding flood that can be reasonable does not influence the relevant building construction of basis again, and the withered period does not have water or less water at the solution cavity and carries out the grout and seals the hole and handle, can ensure the shutoff quality of solution cavity, does not influence the construction of other buildings simultaneously again, plays fine effect, really realizes the characteristics of "time sequence nature, simplicity, energy-conservation" that the solution cavity was handled.
Description
Technical Field
The utility model relates to a shallow solution cavity processing structure that buries belongs to solution cavity and fills technical field.
Background
In the technical field of karst cave filling, a plurality of construction methods and engineering structures exist at present, how to fill the karst cave more quickly and efficiently and avoid the overlarge influence on engineering buildings becomes a very important work to be considered in karst development areas in basic processing engineering.
In the technical field of geotechnical engineering and the like, in the processes of slope treatment and foundation excavation, backfill is carried out on large karst caves affecting the safety of buildings or slopes in karst development areas, or backfill is carried out by using gravels, or backfill is carried out by using concrete, or backfill is carried out by using cement mortar, and the like, wherein the quality of backfill is related to the engineering safety, so that corresponding treatment schemes are made for the karst caves under different conditions.
For a shallow karst cave with a large amount of water burst, the current treatment scheme mainly builds a construction environment without underground water through pumping drainage or directly adopts a construction process of pouring concrete underwater, but the pumping drainage effect and the underwater construction process are very high, and the construction quality is difficult to guarantee.
In the prior art, a chinese patent with application number 2012105775110 discloses a shallow-buried karst cave filling construction method and a construction structure thereof, the method comprises the steps of prefabricating a grouting pipe, arranging the grouting pipe and filling concrete-stone mixed filler, grouting reinforcement, completing shallow-buried karst cave filling construction and the like, the construction structure comprises the grouting pipe, a connecting pipeline, an earth-stone mixed filler layer filled in the shallow-buried karst cave and grouting equipment positioned outside the shallow-buried karst cave, the grouting pipe is arranged in the earth-stone mixed filler layer, the pipe wall of the grouting pipe is provided with a plurality of grout outlets, one section of the grouting pipe is provided with a grout inlet led out to the upper surface of the earth-stone mixed filler layer, and the grouting equipment is connected with the grout inlet of the grouting pipeline through the connecting pipeline; the construction method has the advantages that backfill and grouting treatment of the karst cave can be achieved as in the method, but through the characteristic of discharging accumulated water in the karst cave, a construction environment without water or with little water is created, gravity drainage and inverted siphon drainage are achieved, and the energy-saving effect is remarkable; secondly, the structure is simpler, the operation and the control are easy, the time-sequence construction is carried out, the safety is more reasonable, and the quality is easy to guarantee; and finally, the self-compacting concrete enters the karst cave through the backfill grouting pipe, backfills compactly under the action of gravity, and performs grouting treatment through the backfill grouting pipe at the back to realize the compact combination of the backfill material and the karst cave rock wall.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a shallowly bury solution cavity processing structure, this shallowly bury solution cavity processing structure can be reasonable avoid flood season a large amount of periods of gushing water, do not influence the relevant building construction of basis again, and the withered period is not grouted under the condition of water or little water in the solution cavity and is sealed the hole and handle, can ensure the shutoff quality of solution cavity, does not influence the construction of other buildings simultaneously again, plays fine effect.
The utility model discloses a following technical scheme can realize.
The utility model provides a shallow karst cave processing structure, which comprises a concrete wall arranged on one side of a karst cave water body; the bottom of the concrete wall is penetrated with an inverted siphon, the middle part is inserted with a drain pipe, and the top part is inserted with an exhaust pipe; the top of the karst cave is provided with a construction platform, a plurality of backfill grouting pipes penetrate through the construction platform, the inlet ends of the backfill grouting pipes leak outwards, and the outlet ends of the backfill grouting pipes are adjacent to the water body.
The water inlet of the inverted siphon is positioned in the water body, the water outlet is exposed, and a gate valve is arranged on the water outlet.
The exposed end is connected with a water feeding pipe, and a check valve is arranged on the water feeding pipe.
One end of the upper water pipe is communicated with the inverted siphon pipe, and the other end of the upper water pipe is connected with a water pump.
The outlet ends of the backfill grouting pipes are arranged at different elevations.
A plurality of backfill grouting pipes are arranged in parallel.
The concrete wall, the inverted siphon pipe and the drain pipe are arranged in parallel.
The inverted siphon, the exhaust pipe and the drain pipe are all communicated with the karst cave.
The beneficial effects of the utility model reside in that: the method can reasonably avoid a large water burst time period in a flood season, does not influence the construction of buildings related to foundations, and can ensure the plugging quality of the karst cave by grouting and hole sealing treatment in a dry season under the condition that the karst cave has no water or less water, and simultaneously does not influence the construction of other buildings, thereby playing a good effect and really realizing the characteristics of 'time sequence, simplicity and energy conservation' of karst cave treatment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-concrete wall, 2-inverted siphon, 3-drain pipe, 4-exhaust pipe, 5-backfill grouting pipe, 6-water supply pipe, 7-gate valve, 8-check valve and 9-water pump.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, a shallow-buried karst cave treatment structure includes a concrete wall 1 disposed at one side of a karst cave water body; an inverted siphon 2 penetrates through the bottom of the concrete wall 1, a drain pipe 3 is inserted in the middle of the concrete wall, and an exhaust pipe 4 is inserted in the top of the concrete wall; the top of the karst cave is provided with a construction platform, a plurality of backfill grouting pipes 5 penetrate through the construction platform, the inlet ends of the backfill grouting pipes 5 leak outwards, and the outlet ends are adjacent to the water body. A
Preferably, the pipe diameter or the number of the drain pipes 3 are adjusted according to the water inflow amount, and the exhaust pipes 4 are used for balancing the pressure inside and outside the karst cave.
The water inlet of the inverted siphon 2 is positioned in the water body, the water outlet is exposed, and the gate valve 7 is arranged on the water outlet.
Specifically, the inverted siphon 2 can discharge the water body at the bottom of the karst cave.
The exposed end is connected with a water feeding pipe 6, and the water feeding pipe 6 is provided with a check valve 8.
One end of the upper water pipe 6 is communicated with the inverted siphon 2, and the other end of the upper water pipe is connected with a water pump 9.
The outlet ends of the backfill grouting pipes 5 are arranged at different elevations, are made of steel pipes and penetrate into the karst cave from a construction platform at the top of the karst cave through drilling.
A plurality of backfill grouting pipes 5 are arranged in parallel.
The concrete wall 1, the inverted siphon 2 and the drain pipe 3 are arranged in parallel.
The inverted siphon 2. The exhaust pipe 4 and the drain pipe 3 are both communicated with the karst cave.
Preferably, the concrete wall 1 is not given a reference number lower than the reference number of the adjacent structural concrete.
Further, during construction in flood season, the gate valve 7 is closed, and water in the karst cave overflows through the drain pipe 3; and in the dry period, closing the gate valve 7, starting the water pump 9, filling the inverted siphon 2 with water, closing the water pump 9, opening the gate valve 7, and discharging the water in the inverted siphon 2 to cause the inverted siphon to generate sufficient negative pressure so as to discharge the water body at the bottom of the karst cave.
And further, backfilling the karst cave by the backfilling grouting pipes 5 in sequence until the exhaust pipe 4 has stable and continuous slurry flowing out, and finishing backfilling.
To sum up, the utility model has the advantages that:
(1) time sequence property
Drainage in flood season and backfill in dry season do not affect the construction of adjacent buildings, conditions can be created for densely backfilling the karst cave, and good effect is achieved through reasonable arrangement of construction time sequence.
(2) Simplicity
The utility model discloses a rational arrangement such as concrete barricade, drain pipe, blast pipe and grout pipe is mainly passed through to the structure, can realize free drainage and solution cavity backfill, construction simple process, and the strong operability is easily controlled.
(3) Energy saving
The utility model discloses drainage in the structure only uses few electric drive water pumps in the withered period, backfills the grout pipe and should have the condition as the elephant trunk will backfill the concrete and carry the solution cavity, and the later stage should be as backfilling the grout passageway, and it is closely knit to backfill whole solution cavity, really realizes energy-conserving effect.
Claims (8)
1. The utility model provides a shallow karst cave processing structure that buries, is including setting up concrete wall (1) in karst cave water body one side, its characterized in that: a reverse siphon pipe (2) penetrates through the bottom of the concrete wall (1), a drain pipe (3) is inserted in the middle of the concrete wall, and an exhaust pipe (4) is inserted in the top of the concrete wall; the top of the karst cave is provided with a construction platform, a plurality of backfill grouting pipes (5) penetrate through the construction platform, the inlet ends of the backfill grouting pipes (5) leak outwards, and the outlet ends are adjacent to the water body.
2. The shallow karst cave processing structure of claim 1, wherein: the water inlet of the inverted siphon (2) is positioned in the water body, the water outlet is exposed, and the gate valve (7) is arranged on the water outlet.
3. The shallow karst cave processing structure of claim 2, wherein: the exposed end is connected with a water feeding pipe (6), and the water feeding pipe (6) is provided with a check valve (8).
4. The shallow karst cave processing structure of claim 3, wherein: one end of the water feeding pipe (6) is communicated with the inverted siphon pipe (2), and the other end of the water feeding pipe is connected with a water pump (9).
5. The shallow karst cave processing structure of claim 1, wherein: the outlet ends of the backfill grouting pipes (5) are arranged in different elevations.
6. The shallow karst cave processing structure of claim 1, wherein: the backfill grouting pipes (5) are arranged in parallel.
7. The shallow karst cave processing structure of claim 1, wherein: the concrete wall (1), the inverted siphon (2) and the drain pipe (3) are arranged in parallel.
8. The shallow karst cave processing structure of claim 1, wherein: the inverted siphon (2), the exhaust pipe (4) and the drain pipe (3) are all communicated with the karst cave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688808.8U CN211228532U (en) | 2019-10-10 | 2019-10-10 | Shallow karst cave processing structure that buries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688808.8U CN211228532U (en) | 2019-10-10 | 2019-10-10 | Shallow karst cave processing structure that buries |
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| Publication Number | Publication Date |
|---|---|
| CN211228532U true CN211228532U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921688808.8U Active CN211228532U (en) | 2019-10-10 | 2019-10-10 | Shallow karst cave processing structure that buries |
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| Country | Link |
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| CN (1) | CN211228532U (en) |
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2019
- 2019-10-10 CN CN201921688808.8U patent/CN211228532U/en active Active
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