CN214035783U - Device for controlling water gushing and sand gushing by additionally manufacturing drain pipe on high-permeability stratum in water-rich area - Google Patents
Device for controlling water gushing and sand gushing by additionally manufacturing drain pipe on high-permeability stratum in water-rich area Download PDFInfo
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- CN214035783U CN214035783U CN202023282141.7U CN202023282141U CN214035783U CN 214035783 U CN214035783 U CN 214035783U CN 202023282141 U CN202023282141 U CN 202023282141U CN 214035783 U CN214035783 U CN 214035783U
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- gushing
- orifice
- tunnel
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000004576 sand Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 238000005553 drilling Methods 0.000 claims abstract description 52
- 238000012856 packing Methods 0.000 claims abstract description 12
- 239000007799 cork Substances 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims 2
- 230000035699 permeability Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 16
- 238000013461 design Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012954 risk control Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a device for controlling water gushing and sand gushing by additionally arranging drain pipes on a high permeable stratum in a water-rich area, which is arranged at the positions of a steel pipe sheet of a tunnel wall and the side wall of a sump and comprises an orifice pipe, a ball valve, an orifice device, a packing box, a drilling machine and a plugging steel box; the orifice pipe is sleeved at two ends of the ball valve, wherein the orifice pipe arranged at one end in the tunnel is connected with the steel pipe sheet, the orifice pipe arranged at one end in the tunnel is sleeved with the orifice device, and the orifice pipe arranged at one end of the side wall of the sump is directly connected with the plugging steel box through a drill rod of the drilling machine; the packing box is arranged at the bottom of the ball valve; the inside of shutoff steel box is provided with the cork baffle, be equipped with the injected hole on the lateral wall of shutoff steel box. The utility model discloses a device and construction method, both avoided the rig to bore into, the implementation risk of drilling out the period, satisfied the design function requirement of tunnel drainage again.
Description
Technical Field
The utility model belongs to the technical field of urban rail transit construction, concretely relates to regional high permeable stratum of rich water is mended and is done device that drain pipe control gushed water and gushed sand.
Background
The urban rail transit plays a role in the development of urban comprehensive traffic systems and cities in no substitution with the special high-quality advantages of transportation capacity, punctuality, safety, environmental protection, green and the like, according to incomplete statistics, the mileage of urban rail transit planned in the long term in China reaches 3.5 kilometers, and the scale of projects to be built in the future is huge. In order to meet the requirement that structural leakage water, cleaning water, fire spray water and the like are organized and sequentially collected and discharged to a ground municipal drainage system during operation and guarantee a clean and dry passenger environment in a tunnel, a waste water pump room (generally constructed together with an evacuation communication channel) is usually arranged at the lowest point of each interval tunnel, accumulated water in the tunnel is guided and discharged to a waste water pump room sump pit through drainage pipes pre-buried in the communication channel and the waste water pump room and then is lifted and discharged to the municipal drainage system through a water pump, so that the drainage pipes pre-buried in the structure bear extremely critical responsibility in the whole drainage system, and whether drainage is smooth or not is directly determined by the pre-buried quality of the drainage pipes which are not exposed to the eyes.
In view of the relatively long construction period of rail traffic planning, grindable, designing, construction and the like, the peripheral environment in the construction period is frequently changed greatly, so that the vibration reduction grade of the rail is changed therewith, and the embedded original elevation of the drain pipe cannot meet new requirements easily; meanwhile, in the construction process, designers, technicians and operators cannot know the importance of the drain pipe, and the designer, the technicians and the operators cannot know the importance of the drain pipe, so that the construction precision is not high, the deviation is large, and the embedded height of the drain pipe cannot meet the actual requirement.
When the conditions are met, in order to meet the drainage requirements, the only coping method can only pass through the structure and the permeable soil layer and perform water-carrying operation to repair and beat the drainage pipe according to new requirements, the risk is huge during construction, water and sand gushing accidents are easy to happen, the cost is increased slightly, the construction period is delayed, the surrounding soil layer is hollowed out seriously, the structure is deformed greatly and even collapsed, and the process equipment and the risk control for repairing and beating the drainage pipe have no simple, convenient, feasible and effective mature experience.
The operation space requirement of the additional pumping of the drain pipe determines that the water pipe can be laid only from the inside of the tunnel hole to the direction of the waste water pump house while drilling, and the drilling in both a reinforced concrete structure and a soil layer has feasible sizing equipment (construction by a common pipe-following drilling method) and a mature process.
SUMMERY OF THE UTILITY MODEL
The emergence to unable effective control gushing water and gushing sand accident when the regional high permeable bed benefit of rich water is beaten the drain pipe, and construction method need adapt to the problem in secret finite space, the utility model provides a regional high permeable stratum of rich water mends the device that drain pipe control gushed water and gush sand, and the device and corresponding construction method are simple and easy, effective reliable.
The utility model discloses a realize through following technical scheme:
a device for controlling water gushing and sand gushing by making a drain pipe in a high-permeability stratum of a water-rich area is arranged on a steel pipe sheet of a tunnel wall and the side wall of a sump and comprises an orifice pipe, a ball valve, an orifice device, a packing box, a drilling machine and a plugging steel box; the orifice pipe is sleeved at two ends of the ball valve, wherein the orifice pipe arranged at one end in the tunnel is connected with the steel pipe sheet, the orifice pipe arranged at one end in the tunnel is sleeved with the orifice device, and the orifice pipe arranged at one end of the side wall of the sump is directly connected with the plugging steel box through a drill rod of the drilling machine; the packing box is arranged at the bottom of the ball valve; a cork partition board is arranged inside the plugging steel box, and a grouting hole is formed in the side wall of the plugging steel box; the drilling direction of the drilling machine is from a steel pipe sheet passing through the wall of the tunnel in the tunnel to the outer side of the tunnel to the side wall of the sump.
Preferably, the ball valve is a one-way ball valve.
Preferably, the drilling machine is a jumbolter, and the drill bit of the drilling machine is a diamond drill bit.
Preferably, the drill rod is externally connected with a stainless steel pipe to serve as a drain pipe.
Preferably, the drain pipe is a stainless steel pipe of DN150 mm.
The utility model has the advantages as follows:
the utility model discloses a device and construction method can play the effect of effective control gushing water and gushing sand during the drain pipe is makeed in the regional high permeable stratum abnormal condition of rich water under, has both avoided the rig to bore into, has drilled out the implementation risk during, has satisfied the design function requirement of tunnel drainage again, and through the practical application in haerbin subway No. 3 line engineering, and technological effect is fine, can popularize and apply.
Drawings
FIG. 1 is a structural plane layout diagram of a shield interval communication channel (also serving as a pump room);
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of area B in FIG. 2, showing a schematic structural view of a customized apparatus in a tunnel;
FIG. 4 is a schematic structural diagram of a plugging steel box;
FIG. 5 is an enlarged view of area C of FIG. 2, showing the structure of the customized apparatus in the sump of the pump room;
FIG. 6 is a schematic structural view of the sealing and leading of the drain pipe in the sump of the pump house;
in the figure: 1. originally designed drain pipe; 2. a drain pipe; 3. a tunnel wall; 4. steel pipe sheets; 5. an orifice tube; 6. a packing box; 7. a ball valve; 8. an orifice device; 9. a sump sidewall; 10. plugging the steel box; 11. a bolt; 12. a cork partition board; 13. grouting holes; 14. a drill bit; 15. a drill stem; 16. and (5) plugging the steel plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the construction process of making up the drain pipe under the high permeable stratum abnormal condition in rich water region, there are two probably to appear gushing water and gushing sand: (1) drilling from the tunnel, and when the drill rod drills through the tunnel structure to the soil body, water and sand gushes are generated in the gap between the drill rod and the wall of the drilled hole of the tunnel structure to enter the tunnel; (2) the position that drills out, the drilling rod drills through waste water pump house structure lateral wall promptly, in the two clearances of drilling rod and tunnel structure drilling hole wall take place gush water and gush sand to the waste water pump house in.
The drilling position can be accurately determined in advance, and drilling is carried out after the position is determined; the drilling position of the drilling position cannot be accurately predicted in advance due to the drilling attitude control error, the deviation is large, the difficulty in formulating a water burst and sand gushing control scheme is increased due to the characteristic that the position of the drilling position is difficult to predict, and the uncertainty of the corresponding measures can be effectively solved. For both cases, the following solution is arranged:
(1) solution for drilling into position
Set up orifice pipe + one-way ball valve in drilling starting point, realize sealed + slip casting stagnant water: before drilling, a special one-way ball valve is firstly processed and fixed at a steel pipe sheet at the drilling position, and the ball valve is slightly larger than the outer diameter of a drill pipe and can play a role in intercepting and stopping water when a drill bit is replaced.
(2) Solution for drilling out a location
The high-strength sealed double-bin plugging steel box enveloping construction deviation is arranged at the drilling end point of a pump house sump theory, so that the effects of sealing, grouting and permanent plugging are realized: according to theoretical calculation, the position of the drilled structural wall is calculated according to a designed drilling path before implementation, a specially-made water-receiving plugging box is processed by a steel plate in advance and fixed above the structural wall, and due to deviation of drilling, allowance needs to be left outside the size of the water-receiving plugging box, so that a deflected drill bit can be wrapped.
Example 1
A device for controlling gushing water and sand by making up a drain pipe in a high permeable stratum of a water-rich area is shown in figures 2, 3 and 5, and is arranged at a steel pipe sheet 4 and a side wall 9 of a sump of a tunnel wall 3 and comprises an orifice pipe 5, a ball valve 7, an orifice device 8, a packing box 6, a drilling machine and a plugging steel box 10; the orifice pipe 5 is sleeved at two ends of the ball valve 7, wherein the orifice pipe 5 arranged at one end in the tunnel is connected with the steel pipe sheet 4, the orifice pipe 5 arranged at one end in the tunnel is externally sleeved with the orifice device 8, and the orifice pipe 5 arranged at one end of the side wall 9 of the sump is directly communicated with the plugging steel box 10 through a drill rod 15 of the drilling machine; the packing box 6 is arranged at the bottom of the ball valve 7; the inside of shutoff steel box 10 is provided with cork baffle 12, be equipped with slip casting hole 13 on the lateral wall of shutoff steel box 10.
As shown in fig. 2, the drilling direction of the drilling machine is from the steel pipe sheets 4 passing through the tunnel wall 3 in the tunnel to the outside of the tunnel to the side wall 9 of the sump according to the arrow direction in fig. 2.
Based on the construction method for controlling water gushing and sand gushing by additionally manufacturing the drain pipe on the high-permeable stratum of the water-rich area, in the embodiment, the ball valve is a one-way ball valve, the drilling machine is an anchor rod drilling machine, the drill bit of the drilling machine is a diamond drill bit, and the concrete steps are as follows:
(1) positioning the position of the opening, and manufacturing a mounting orifice pipe and a one-way ball valve
Fig. 1 is a structural plan layout diagram of a shield interval communication channel (also serving as a pump room), as shown in fig. 1, when an originally designed drain pipe 1 is abandoned, a drain pipe 2 needs to be additionally arranged, and the drain pipe 2 generally adopts a stainless steel pipe of DN150 mm.
As shown in fig. 2, the position of the opening is located by a total station in the tunnel according to the design file, and the orifice pipe and the one-way ball valve are installed in the bin of the steel pipe sheet 4: as shown in fig. 3, the orifice pipe 5 is welded to the steel pipe piece 4, the concrete is filled in the bin of the steel pipe piece 4, the steel plate is welded between the orifice pipe 5 and the steel pipe piece 4, the orifice pipe 5 and the steel pipe piece 4 are welded together by the connecting steel plate, and then the orifice device 8, the ball valve 7, and the packing box 6 are sequentially connected to the orifice pipe 5.
(2) Device for positioning drill bit structure position, manufacturing and installing double-bin plugging steel box
As shown in fig. 4 and 5, the position of the side wall 9 of the sump drilled through is determined in advance through calculation, the side wall is roughened and cleaned, a pre-processed plugging steel box 10 is arranged on the side wall 9 of the pump room structure in a manner of being fixed by a bolt 11 after being embedded with steel bars, a cork partition plate 12 is arranged inside the plugging steel box 10, and a grouting hole 13 is reserved on the side wall of the plugging steel box 10.
(3) Small-sized drilling machine for drilling
As shown in fig. 3 and 5, a jumbolter with a certain power is selected, the position of the jumbolter is adjusted and fixed, and a drill bit 14 is connected. The drill bit 14 is fitted into the port fitting 8 and the packing is lightly pressed into the packing box 6. And opening the ball valve 7, injecting water from the drilling machine, and drilling for coring. And (3) coring is carried out from the inner opening of the ball valve 7 by a drilling machine, wherein the diameter of the opening is 168mm, until the steel pipe sheet 4 and the reinforced concrete of the bottom plate of the communication channel are drilled through.
(4) Steel box for plugging from drilling to double bins
After drilling through the reinforced concrete, the drill bit 14 is pulled out, the ball valve 7 is closed, the drill bit is replaced again, the ball valve 7 is opened, and the drilling is continued by the drilling machine until the side wall 9 of the sump is ground through, and the drill rod 15 is drilled to the cork partition 12 in the plugging steel box 10.
(5) The drain pipe is sealed and connected
After the cork partition board 12 is drilled through, grouting is respectively carried out at the orifice pipe 5 and the plugging steel box 10 to plug the seepage channel of water. As shown in fig. 2 and 3, after grouting plugging is achieved, the ball valve 7 is taken down from the tunnel, a stainless steel pipe is externally connected to the drill rod 15, and the stainless steel pipe is connected to a drainage ditch in the tunnel; as shown in fig. 6, in the sump of the pump room, the steel plate for sealing the outer side of the steel box 10 is removed, the drill bit 14 is taken out, the sealing steel plate 16 is welded on the outer side of the cork partition 12 again, and the drill rod 15 passes through the sealing steel plate 16 and also serves as the drain pipe 2.
(6) Secondary grouting filling gap
And (3) secondarily filling single-liquid slurry to the periphery of the drain pipe 2 by using the through valve beside the orifice pipe 5 and the grouting hole 13 reserved on the side wall of the plugging steel box 10, and tightly filling the annular space between the drain pipe 2 and the bottom plate of the communication channel and the side wall 9 of the sump.
Claims (5)
1. A device for controlling water gushing and sand gushing by additionally manufacturing a drain pipe on a high-permeability stratum of a water-rich area is characterized in that the device is arranged on a steel pipe sheet of a tunnel wall and the side wall of a sump and comprises an orifice pipe, a ball valve, an orifice device, a packing box, a drilling machine and a plugging steel box; the orifice pipe is sleeved at two ends of the ball valve, wherein the orifice pipe arranged at one end in the tunnel is connected with the steel pipe sheet, the orifice pipe arranged at one end in the tunnel is sleeved with the orifice device, and the orifice pipe arranged at one end of the side wall of the sump is directly connected with the plugging steel box through a drill rod of the drilling machine; the packing box is arranged at the bottom of the ball valve; a cork partition board is arranged inside the plugging steel box, and a grouting hole is formed in the side wall of the plugging steel box; the drilling direction of the drilling machine is from a steel pipe sheet passing through the wall of the tunnel in the tunnel to the outer side of the tunnel to the side wall of the sump.
2. The device for controlling water gushing and sand gushing by supplementing a drain pipe to a water-rich stratum of the water-rich area according to claim 1, wherein the ball valve is a one-way ball valve.
3. The device for controlling water gushing and sand gushing by additionally arranging the drain pipe on the water-rich stratum of the water-rich area according to claim 1, wherein the drilling machine is a jumbolter, and the drill bit of the drilling machine is a diamond drill bit.
4. The device for controlling water gushing and sand gushing by additionally arranging the drain pipe on the water-rich stratum of the water-rich area according to claim 1, wherein the drill rod is externally connected with a stainless steel pipe to serve as the drain pipe.
5. The device for controlling water gushing and sand gushing by supplementing a water drainage pipe with a water-rich region high water permeability stratum according to claim 4, wherein the water drainage pipe is a stainless steel pipe DN150 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023282141.7U CN214035783U (en) | 2020-12-30 | 2020-12-30 | Device for controlling water gushing and sand gushing by additionally manufacturing drain pipe on high-permeability stratum in water-rich area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023282141.7U CN214035783U (en) | 2020-12-30 | 2020-12-30 | Device for controlling water gushing and sand gushing by additionally manufacturing drain pipe on high-permeability stratum in water-rich area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214035783U true CN214035783U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023282141.7U Expired - Fee Related CN214035783U (en) | 2020-12-30 | 2020-12-30 | Device for controlling water gushing and sand gushing by additionally manufacturing drain pipe on high-permeability stratum in water-rich area |
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| Country | Link |
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| CN (1) | CN214035783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718643A (en) * | 2022-05-10 | 2022-07-08 | 山东科技大学 | Water diversion method for rock burst mine construction anchor cable grouting hole |
-
2020
- 2020-12-30 CN CN202023282141.7U patent/CN214035783U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718643A (en) * | 2022-05-10 | 2022-07-08 | 山东科技大学 | Water diversion method for rock burst mine construction anchor cable grouting hole |
| CN114718643B (en) * | 2022-05-10 | 2022-11-04 | 山东科技大学 | Water diversion method for rock burst mine construction anchor cable grouting hole |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |