CN206844136U - Closure high speed, big flow move the flow control system of water karst - Google Patents
Closure high speed, big flow move the flow control system of water karst Download PDFInfo
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- CN206844136U CN206844136U CN201720303934.1U CN201720303934U CN206844136U CN 206844136 U CN206844136 U CN 206844136U CN 201720303934 U CN201720303934 U CN 201720303934U CN 206844136 U CN206844136 U CN 206844136U
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Abstract
The utility model discloses a kind of flow control system for blocking the dynamic water karst of high speed, big flow, pass through the grout cover being arranged above water burst mouth to be blocked, so that only water burst mouth is completely covered to bear water burst pressure in slurry, whole karst waters are made to be discharged through aqueduct, control valve is to control flow velocity in delivery port water yield and dynamic water karst.The near crucial hole of issue of adjusting the distance forms together only slurry barrier based on aggregate and the alternating slip casting of single biliquid, with the slurries held at a distance of damming；The crucial hole of issue of adjusting the distance far is used based on single liquid and two fluid grouting, in favor of diffusion；The utility model adjustment high speed, the water flow of big flow pipeline water burst mouth, with the reduction of water burst mouth water yield, water velocity gradually reduces in karst in the case that total water volume excessively is constant in dynamic water karst, pass through porous segmenting slip casting again, closure slurries retention ratio in pipeline is increased, to realize the successful closure of karst.
Description
Technical field
It the utility model is related to a kind of flow control system for blocking the dynamic water karst of high speed, big flow.
Background technology
Underground water enrichment condition is frequently encountered in mine and constructing tunnel, so as to be disturbed by water burst situation.So that
Construction safety coefficient reduces, and adds engineering cost, and water burst causes the loss of underground water, the local hydrogeology of heavy damage
Environment.But at present means are not blocked to high speed, the crucial water passage of big flow effectively.When slip casting blocks, slip casting material
Material flows out with the karst water burst of high speed, big flow, and plugging material Retention is low, it is difficult to effective envelope is formed to water passage
It is stifled.
Grout cover be used to adjust at a high speed, the water flow of big flow pipeline water burst mouth, with the reduction of water burst mouth water yield,
Water velocity gradually reduces in karst in the case that total water volume excessively is constant in dynamic water karst, increases in pipeline
Slurries retention ratio is blocked, to realize the successful closure of karst.To karst closure using porous segmentation joint Cementer
Skill, the reunion away from the near crucial hole filling coarse aggregate of issue and the single, double slurry increase plugging material of note in karst are made
With away from issue, the remote single, double slurry of crucial hole note, the increase of crucial pitch-row issue distance are advantageous to plugging material in karst
Retaining in pipeline.
Utility model content
The utility model is in order to solve the above problems, it is proposed that closure at a high speed, big flow move the flow control system of water karst
System, the utility model can reduce flow velocity at a high speed, in the dynamic water karst of big flow, injecting paste material is remained in karst
The successful closure of water karst is moved in interior and realization to high speed, big flow.
A purpose of the present utility model is to provide a kind of flow control system for blocking the dynamic water karst of high speed, big flow,
The utility model using grout cover with adjust at a high speed, the water flow of big flow pipeline water burst mouth, with water burst mouth water yield
Reduce, water velocity gradually reduces in karst in the case that total water volume excessively is constant in dynamic water karst, increases
Closure slurries retention ratio in pipeline, to realize the successful closure of karst.Meanwhile karst is blocked and uses porous segmentation
Joint grouting process, by filling coarse aggregate away from the near crucial hole of issue and noting single, double slurry, aggregate can increase closure material
Expect the agglomeration in karst；Single, double slurry, the increasing of crucial pitch-row issue distance are noted away from the remote crucial hole of issue
Be advantageous to plugging material retaining in karst greatly.
Another object of the present utility model is to provide a kind of method for blocking the dynamic water karst of high speed, big flow, this reality
Reinforced Concrete grout cover is being pre-set at a high speed, above big flow water burst mouth with new, grout cover, which is completely covered, to be gushed
Water burst pressure is born at the mouth of a river.Aqueduct built in grout cover, aqueduct one end are connected with dynamic water karst, and the other end, which stretches out, to be stopped
Slurry pad is outer and sets valve.Whole karst waters are made to be discharged through aqueduct.Karst closure is joined using porous segmentation
Grouting process is closed, the near crucial hole of issue is adjusted the distance based on aggregate and the alternating slip casting of single biliquid, forms together only slurry barrier,
The slurries held at a distance with damming；The crucial hole of issue of adjusting the distance far is used based on single liquid and two fluid grouting, in favor of spreading,
Control valve is realized to control the purpose of flow velocity in delivery port water yield and dynamic water karst.
To achieve these goals, the utility model adopts the following technical scheme that：
It is a kind of to block the flow control system of the dynamic water karst of high speed, big flow, including be arranged on water burst mouth to be blocked
The grout cover of side, aqueduct built in the grout cover, aqueduct one end are connected with dynamic water karst, and the other end stretches out grout cover
Outside, the end of the aqueduct stretching grout cover is provided with valve；
Water burst mouth is completely covered to bear water burst pressure in the only slurry, whole karst waters is discharged through aqueduct,
Control valve is to control flow velocity in delivery port water yield and dynamic water karst.
Girder steel is provided with the water burst mouth and concentrates issue surrounding area to reduce, and bar-mat reinforcement is had additional on girder steel, with
Increase the bulk strength and shearing strength of grout cover.
Coarse aggregate has been filled up in the near crucial hole of the water burst mouth distance, and replaces slip casting with single biliquid, is formed and only starched together
Barrier.
The girder steel is i-shape steel beam.
A kind of flow control method for blocking the dynamic water karst of high speed, big flow, including following measures：
(1) water burst mouth sets cast-in-situ steel reinforced concrete grout cover：It is big pre-setting at a high speed, above big flow water burst mouth
Water burst mouth is completely covered to bear water burst pressure, aqueduct built in grout cover, diversion in volume armored concrete grout cover, grout cover
Pipe one end is connected with dynamic water karst, and the other end stretches out outside grout cover and sets valve, makes whole karst waters through drawing
Water pipe is discharged so that and control valve is to control delivery port water yield, as water burst mouth water yield reduces, total mistake in karst
Water velocity gradually reduces in karst in the case that water volume is constant；
(2) the near crucial hole of issue is adjusted the distance based on aggregate and the alternating slip casting of single biliquid, forms together only slurry screen
Barrier, with the slurries held at a distance of damming；
(3) the crucial hole of issue of adjusting the distance far is used based on single liquid and two fluid grouting, in favor of diffusion.
Above-mentioned three kinds of measures can each play flow control effect, while using effect is optimal.
It is specific to include again in methods described (one)：
(1) excavation makes water burst mouth leak cruelly completely and clears up stone riprap；
(2) set up girder steel and form operating platform, and poured using cement-sodium silicate (C-S) biliquid around I-steel, contracted
Small concentration issue surrounding area, prepares for casting concrete；
(3) aqueduct is installed, aqueduct one end, to guide water burst to be discharged through aqueduct, is drawn with being connected at water burst mouth water outlet
The water pipe other end stretches out outside grout cover and sets valve；
(4) casting concrete.
Preferably, bar-mat reinforcement is laid on the basis of girder steel, increases the bulk strength and shearing strength of grout cover.
Using porous segmentation joint grouting process, near-end pass is built hole and intercepted using aggregate, and distal end pass is built hole and sealed using slurries
It is stifled, realize that long-channel filling blocks water.
Adjust the distance based on the near crucial hole aggregate of issue and the alternating slip casting of single biliquid, stop slurry barrier together to be formed, with
Dam the slurries held at a distance.
Further, in EXIT POINT near-end note single slurry and separated in time addition sea-tangle, soya bean, fine sand or/and saw
The aggregates such as end, appropriate grout cover valve reduction water speed of closing make aggregate, cement preferably deposit retention.
Further, the crucial hole of issue of adjusting the distance far is used based on single liquid and two fluid grouting.
The beneficial effects of the utility model are：
1st, for crossing high speed, the passway path length feature of big flow water burst, it is proposed that porous segmentation joint grouting process, closely
Hold aggregate to intercept, the closure of distal end slurries, realize that long-channel filling blocks water；
2nd, in the case of high speed, big flow water burst, injecting paste material is in dynamic water karst as at a high speed, big flow is gushed
Water is discharged, it is difficult to is retained in karst, is unable to reach closure purpose.The utility model is only starched by being set at water burst mouth
Pad and valve can control water burst flow velocity.With the reduction of water burst mouth water yield, total water volume excessively is constant in dynamic water karst
In the case of in karst water velocity gradually reduce, closure slurries retention ratio in pipeline is increased, to realize karst
Successful closure；
3rd, plugging material is increased in karst away from the near crucial hole filling coarse aggregate of issue and the single, double slurry of note
Agglomeration, single, double slurry is noted away from the remote crucial hole of issue, the increase of crucial pitch-row issue distance is advantageous to plugging material
Retaining in karst.
Brief description of the drawings
Fig. 1 is that grout cover adds hole segmentation joint grouting construction process schematic diagram；
Fig. 2 is grout cover facade scheme of installation.
Wherein, 1 armored concrete grout cover, 2 near-end key holes, 3 coarse aggregates, 4 karsts, 5 grouting pumps, 6 distal ends are closed
Keyhole, 7 valves, 8 aqueducts, 9 Karst corridors.
Embodiment：
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Construction technology is as follows：(1) water burst mouth sets cast-in-situ steel reinforced concrete grout cover：Grout cover is used to adjust karst pipe
Road water burst mouth flow velocity and flow.Reinforced Concrete grout cover is being pre-set at a high speed, above big flow water burst mouth, is only being starched
Water burst mouth is completely covered to bear water burst pressure in pad.Aqueduct built in grout cover, aqueduct one end are connected with dynamic water karst,
The other end stretches out outside grout cover and sets valve.Whole karst waters is discharged through aqueduct, be achieved that control valve
To control the purpose of delivery port water yield and dynamic water karst flow velocity.(2) the near crucial hole of issue of adjusting the distance with aggregate and
Based on the alternating slip casting of single biliquid, only slurry barrier is formed together, with the slurries held at a distance of damming.(3) issue of adjusting the distance is remote
Crucial hole is used based on single liquid and two fluid grouting, in favor of diffusion.The increase of distance is advantageous to plugging material in water burst pipeline
Retain.
As shown in Fig. 2 water burst mouth sets cast-in-place concrete grout cover, grout cover is used to control water burst mouth water yield, to drop
Flow velocity in low dynamic water karst.Its Specific construction technique is as follows：Pre-setting large volume at a high speed, above big flow water burst mouth
Water burst mouth is completely covered to bear water burst pressure in armored concrete grout cover, grout cover.Aqueduct built in grout cover, aqueduct one
End is connected with dynamic water karst, and the other end stretches out outside grout cover and sets valve.Make whole karst waters through aqueduct
Discharge, is achieved that control valve to control the purpose of flow velocity in delivery port water yield and dynamic water karst.
1 makes water burst mouth leak cruelly completely and clears up stone riprap using excavator excavation.
2, which set up steel I-beam, forms operating platform, and is poured using C-S biliquids around I-steel, reduces and concentrates water burst
Point surrounding area, prepares for casting concrete.
3 installation aqueducts.Aqueduct one end at water burst mouth water outlet with being connected, to guide water burst to be discharged through aqueduct.Diversion
The pipe other end stretches out outside grout cover and sets valve.
4 is further form skeleton, and bar-mat reinforcement has been laid again on the basis of steel I-beam, increase the overall strong of grout cover
Degree and shearing strength.
5 cast concrete.
In the case of high speed, big flow water burst, injecting paste material is in dynamic water karst with high speed, big flow water burst
Discharge, it is difficult to retained in karst, be unable to reach closure purpose.By setting grout cover and valve controllable at water burst mouth
Water burst flow velocity processed.With the reduction of water burst mouth water yield, karst in the case that total water volume excessively is constant in dynamic water karst
Water velocity gradually reduces in pipeline, closure slurries retention ratio in pipeline is increased, to realize the successful closure of karst.
As shown in figure 1, multiple crucial hole joint slip castings
For crossing high speed, the passway path length feature of big flow water burst, it is proposed that porous segmentation joint grouting process, near-end
Aggregate adds slurries to intercept closure, the closure of distal end slurries, realizes that long-channel filling blocks water.
Adjust the distance based on the near crucial hole aggregate of issue and the alternating slip casting of single biliquid, stop slurry barrier together to be formed, with
Dam the slurries held at a distance.In EXIT POINT near-end note single slurry and separated in time addition sea-tangle, soya bean, fine sand, sawdust
Deng aggregate, appropriate grout cover valve reduction water speed of closing makes aggregate, cement preferably deposit retention.
The crucial hole of issue of adjusting the distance far is used based on single liquid and two fluid grouting, in favor of diffusion.The increase of distance has
Beneficial to plugging material retaining in water burst pipeline.
Grout cover be used to adjust at a high speed, the water flow of big flow pipeline water burst mouth, with the reduction of water burst mouth water yield,
Water velocity gradually reduces in karst in the case that total water volume excessively is constant in dynamic water karst, increases in pipeline
Slurries retention ratio is blocked, to realize the successful closure of karst.Away from the crucial hole filling coarse aggregate increase closure that issue is near
Agglomeration of the material in karst, single, double slurry is noted away from the remote crucial hole of issue, crucial pitch-row issue distance
Increase is advantageous to plugging material retaining in karst.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (3)
1. a kind of flow control system for blocking the dynamic water karst of high speed, big flow, it is characterized in that：Including being arranged to be blocked gush
Grout cover above the mouth of a river, aqueduct built in the grout cover, aqueduct one end are connected with dynamic water karst, and the other end stretches out
Outside grout cover, the end that the aqueduct stretches out grout cover is provided with valve；
Water burst mouth is completely covered to bear water burst pressure in the only slurry, whole karst waters is discharged through aqueduct, adjusts
Valve is to control flow velocity in delivery port water yield and dynamic water karst；
Girder steel is provided with the water burst mouth and concentrates issue surrounding area to reduce, bar-mat reinforcement is had additional on girder steel, with increase
The bulk strength and shearing strength of grout cover.
2. a kind of flow control system for blocking the dynamic water karst of high speed, big flow as claimed in claim 1, it is characterized in that：Institute
State the near crucial hole of water burst mouth distance and filled up coarse aggregate, and slip casting is replaced with single biliquid, form together only slurry barrier.
3. a kind of flow control system for blocking the dynamic water karst of high speed, big flow as claimed in claim 1, it is characterized in that：Institute
It is i-shape steel beam to state girder steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720303934.1U CN206844136U (en) | 2017-03-27 | 2017-03-27 | Closure high speed, big flow move the flow control system of water karst |
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| CN201720303934.1U CN206844136U (en) | 2017-03-27 | 2017-03-27 | Closure high speed, big flow move the flow control system of water karst |
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| CN206844136U true CN206844136U (en) | 2018-01-05 |
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| CN201720303934.1U Active CN206844136U (en) | 2017-03-27 | 2017-03-27 | Closure high speed, big flow move the flow control system of water karst |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869154A (en) * | 2017-03-27 | 2017-06-20 | 山东大学 | The flow control system and method for the dynamic water karst of closure high speed, big flow |
| CN111424695A (en) * | 2020-04-17 | 2020-07-17 | 中国水利水电第八工程局有限公司 | Seepage-proofing and leakage-stopping method for deep-buried karst pipeline |
-
2017
- 2017-03-27 CN CN201720303934.1U patent/CN206844136U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869154A (en) * | 2017-03-27 | 2017-06-20 | 山东大学 | The flow control system and method for the dynamic water karst of closure high speed, big flow |
| CN111424695A (en) * | 2020-04-17 | 2020-07-17 | 中国水利水电第八工程局有限公司 | Seepage-proofing and leakage-stopping method for deep-buried karst pipeline |
| CN111424695B (en) * | 2020-04-17 | 2022-01-07 | 中国水利水电第八工程局有限公司 | Seepage-proofing and leakage-stopping method for deep-buried karst pipeline |
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