CN204370457U - Advanced radial precipitation channel system - Google Patents
Advanced radial precipitation channel system Download PDFInfo
- Publication number
- CN204370457U CN204370457U CN201420791413.1U CN201420791413U CN204370457U CN 204370457 U CN204370457 U CN 204370457U CN 201420791413 U CN201420791413 U CN 201420791413U CN 204370457 U CN204370457 U CN 204370457U
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- Prior art keywords
- precipitation
- communicated
- drainage pipe
- endless tube
- vacuum
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- Withdrawn - After Issue
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Abstract
The utility model relates to technical field of tunnel construction, particularly relates to a kind of advanced radial precipitation channel system.This advanced radial precipitation channel system comprises horizontal precipitation passage, be communicated with endless tube, Vacuum Drainage pipe, vacuumize precipitation supervisor and vacuum drop water pump, horizontal precipitation passage is set in country rock to be holed, Vacuum Drainage pipe is plugged in the tunnel surrounding outside horizontal precipitation passage, under the effect of vacuum drop water pump, water in tunnel surrounding enters Vacuum Drainage pipe, then connection endless tube is entered by joint, entered into by connection short tube again and vacuumize precipitation supervisor, discharge eventually through vacuum drop water pump, dewatering effect is obvious, field conduct is easy, improve weak surrounding rock characteristic, saturated water level is made to be reduced to below excavation line, ensure the excavation of subsequent tunnel.
Description
Technical field
The utility model relates to technical field of tunnel construction, particularly relates to a kind of advanced radial precipitation channel system.
Background technology
At present, at tunnel surrounding weakness, saturated water level higher than under the geological conditions of tunnel vault, the effect country rock due to water during tunneling will soften, cave in, and cause constructing tunnel to carry out, work progress exists huge potential safety hazard.First to carry out precipitation process in this case, then just can carry out tunnel excavation.Existing precipitation method majority adopts Application of light well point precipitation in hole, this precipitation method sets up light-duty dewatering well in the tunnel step excavated, water in the country rock do not excavated is directed in light-duty dewatering well and carries out precipitation, cannot effective precipitation to the country rock away from step.
Therefore, for above deficiency, the utility model provides a kind of advanced radial precipitation channel system.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is to provide a kind of advanced radial precipitation channel system to solve existing tunnel dewatering mode can not carry out effective precipitation problem to the country rock away from step.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of advanced radial precipitation channel system, it comprises horizontal precipitation passage, be communicated with endless tube, Vacuum Drainage pipe, vacuumize precipitation supervisor and vacuum drop water pump, horizontal precipitation passage is formed in country rock to be holed, being communicated with endless tube is arranged in horizontal precipitation passage, many Vacuum Drainage pipes are connected to radially and are communicated with on endless tube centered by the ring heart being communicated with endless tube, and Vacuum Drainage pipe is plugged in the tunnel surrounding outside horizontal precipitation passage, vacuumize precipitation supervisor to be located in along the direction of horizontal precipitation passage and to be communicated with in endless tube, and by being communicated with short tube and being communicated with endless tube and being communicated with, described one end vacuumizing precipitation supervisor is closed, the other end is connected with vacuum drop water pump.
Wherein, on the outside tube wall of described connection endless tube interval be provided with joint, described Vacuum Drainage pipe and the described endless tube that is communicated with are by described fittings.
Wherein, the tube wall of described Vacuum Drainage pipe offers treatment hole.
Wherein, the arranged outside screen pack of described treatment hole.
Wherein, described connection endless tube arranges multiple along horizontal precipitation channel spacing, and the Vacuum Drainage pipe that each connection endless tube is arranged forms one group of Vacuum Drainage pipe network.
Wherein, the two groups of Vacuum Drainage pipe network dislocation adjacent two connection endless tubes arranged are arranged.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: in the advanced radial precipitation channel system that the utility model provides, horizontal precipitation passage is set in country rock to be holed, Vacuum Drainage pipe is plugged in the tunnel surrounding outside horizontal precipitation passage, under the effect of vacuum drop water pump, water in tunnel surrounding enters Vacuum Drainage pipe, then connection endless tube is entered by joint, entered into by connection short tube again and vacuumize precipitation supervisor, discharge eventually through vacuum drop water pump, like this, in country rock to be holed, no matter be near step or the position away from step, according to construction needs, can by moisture wherein, by Vacuum Drainage pipe, be communicated with endless tube, vacuumize precipitation supervisor and the discharge of vacuum drop water pump, dewatering effect is obvious, field conduct is easy, improve weak surrounding rock characteristic, saturated water level is made to be reduced to below excavation line, ensure the excavation of subsequent tunnel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the advanced radial precipitation channel system of the utility model embodiment;
Fig. 2 is the structural representation of the advanced radial precipitation channel system of the utility model embodiment on tunnel cross section.
In figure, 1: country rock to be holed; 2: horizontal precipitation passage; 3: Vacuum Drainage pipe; 4: be communicated with endless tube; 5: joint; 6: vacuumize precipitation supervisor; 7: be communicated with short tube; 8: vacuum drop water pump; 9: treatment hole.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the advanced radial precipitation channel system that the utility model provides comprises horizontal precipitation passage 2, be communicated with endless tube 4, Vacuum Drainage pipe 3, vacuumize precipitation supervisor 6 and vacuum drop water pump 8, horizontal precipitation passage 2 is formed in country rock 1 to be holed, being communicated with endless tube 4 is arranged in horizontal precipitation passage 2, many Vacuum Drainage pipes 3 are connected to by joint 5 radially and are communicated with on endless tube 4 centered by the ring heart being communicated with endless tube 4, and Vacuum Drainage pipe 3 is plugged in the tunnel surrounding outside horizontal precipitation passage 2, also be that many Vacuum Drainage pipes 3 are on the same cross section of horizontal precipitation passage 2, vacuumize precipitation supervisor 6 to be located in along the direction of horizontal precipitation passage 2 and to be communicated with in endless tube 4, and by being communicated with short tube 7 and being communicated with endless tube 4 and being communicated with, described one end vacuumizing precipitation supervisor 6 is closed, the other end is connected with vacuum drop water pump 8.
In above-described embodiment, in country rock 1 to be holed, horizontal precipitation passage 2 is set, Vacuum Drainage pipe 3 is plugged in the tunnel surrounding outside horizontal precipitation passage 2, under the effect of vacuum drop water pump 8, water in tunnel surrounding enters Vacuum Drainage pipe 3, then entered by joint 5 and be communicated with endless tube 4, entered into by connection short tube 7 again and vacuumize precipitation supervisor 6, discharge eventually through vacuum drop water pump 8, like this, in country rock 1 to be holed, no matter be near step or the position away from step, according to construction needs, can by moisture wherein, by Vacuum Drainage pipe 3, be communicated with endless tube 4, vacuumize precipitation supervisor 6 and vacuum drop water pump 8 discharge, dewatering effect is obvious.
In certain above-described embodiment, described Vacuum Drainage pipe 3 is communicated with by described joint 5 with the described endless tube 4 that is communicated with.Described connection endless tube 4 is according to construction needs, can arrange multiple along horizontal precipitation passage 2 interval, the Vacuum Drainage pipe 3 that each connection endless tube 4 is arranged forms one group of Vacuum Drainage pipe 3 net, and preferably, two groups of Vacuum Drainage pipes 3 that adjacent two connection endless tubes 4 are arranged are netted dislocation and arranged.By multi-group vacuum filter pipe 3 net, the moisture in country rock fully can be extracted out.
Particularly, the tube wall of described Vacuum Drainage pipe 3 offers treatment hole 9; The arranged outside screen pack of described treatment hole 9, like this, while the moisture in country rock enters Vacuum Drainage pipe 3 by treatment hole 9, can avoid the foreign material such as sandstone to enter Vacuum Drainage pipe 3 by the setting of screen pack, prevent Vacuum Drainage pipe 3 from blocking.
Can following steps be carried out in precipitation operating process by the advanced radial precipitation channel system of above-mentioned the utility model:
S1, in country rock 1 to be holed, first excavate bigbore horizontal precipitation passage 2;
S2, set radial multiple installation holes for installing Vacuum Drainage pipe 3 at the same cross section surrounding small-sized drill of horizontal precipitation passage 2, treatment hole 9 on Vacuum Drainage pipe 3 installs screen pack, then many vacuum filtration pipes is inserted in described installation cavity and form Vacuum Drainage pipe 3 net;
S3, in horizontal precipitation passage 2, connection endless tube 4 to be netted with radial Vacuum Drainage pipe 3 by joint 5 and be communicated with, again by connection endless tube 4 by being communicated with short tube 7 and vacuumizing precipitation and be responsible for 6 and be communicated with, the front end vacuumizing precipitation supervisor 6 is communicated with vacuum drop water pump 8, vacuumizes precipitation and is responsible for 6 rear ends by shutoff.
S4, start vacuum drop water pump 8, namely water in country rock 1 to be holed enter into radial Vacuum Drainage pipe 3 net by treatment hole 9, then enter into vacuumize precipitation supervisor 6 by joint 5, connection endless tube 4, connection short tube 7 successively, discharged by vacuum drop water pump 8.
Particularly, the length of described horizontal precipitation passage 2 is 60-80 rice.
In sum, in the advanced radial precipitation channel system that the utility model provides, multi-group vacuum filter pipe 3 net is set in the country rock outside horizontal precipitation passage 2, by the water in country rock by Vacuum Drainage pipe 3, be communicated with endless tube 4, vacuumize precipitation supervisor 6 and vacuum drop water pump 8 discharge, dewatering effect is remarkable, and field conduct is easy, improves weak surrounding rock characteristic, make saturated water level be reduced to below excavation line, ensure the excavation of subsequent tunnel.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (6)
1. an advanced radial precipitation channel system, it is characterized in that: it comprises horizontal precipitation passage, be communicated with endless tube, Vacuum Drainage pipe, vacuumize precipitation supervisor and vacuum drop water pump, horizontal precipitation passage is formed in country rock to be holed, being communicated with endless tube is arranged in horizontal precipitation passage, many Vacuum Drainage pipes are connected to radially and are communicated with on endless tube centered by the ring heart being communicated with endless tube, and Vacuum Drainage pipe is plugged in the tunnel surrounding outside horizontal precipitation passage, vacuumize precipitation supervisor to be located in along the direction of horizontal precipitation passage and to be communicated with in endless tube, and by being communicated with short tube and being communicated with endless tube and being communicated with, described one end vacuumizing precipitation supervisor is closed, the other end is connected with vacuum drop water pump.
2. advanced radial precipitation channel system according to claim 1, is characterized in that: on the outside tube wall of described connection endless tube interval be provided with joint, described Vacuum Drainage pipe and the described endless tube that is communicated with are by described fittings.
3. advanced radial precipitation channel system according to claim 1, is characterized in that: the tube wall of described Vacuum Drainage pipe offers treatment hole.
4. advanced radial precipitation channel system according to claim 3, is characterized in that: the arranged outside screen pack of described treatment hole.
5. advanced radial precipitation channel system according to claim 1, it is characterized in that: described connection endless tube arranges multiple along horizontal precipitation channel spacing, the Vacuum Drainage pipe that each connection endless tube is arranged forms one group of Vacuum Drainage pipe network.
6. advanced radial precipitation channel system according to claim 5, is characterized in that: two groups of Vacuum Drainage pipe network dislocation that adjacent two connection endless tubes are arranged are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420791413.1U CN204370457U (en) | 2014-12-11 | 2014-12-11 | Advanced radial precipitation channel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420791413.1U CN204370457U (en) | 2014-12-11 | 2014-12-11 | Advanced radial precipitation channel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204370457U true CN204370457U (en) | 2015-06-03 |
Family
ID=53326689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420791413.1U Withdrawn - After Issue CN204370457U (en) | 2014-12-11 | 2014-12-11 | Advanced radial precipitation channel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204370457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532864A (en) * | 2014-12-11 | 2015-04-22 | 中铁十九局集团有限公司 | Advanced radial water lowering channel system and advanced radial water lowering method |
-
2014
- 2014-12-11 CN CN201420791413.1U patent/CN204370457U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532864A (en) * | 2014-12-11 | 2015-04-22 | 中铁十九局集团有限公司 | Advanced radial water lowering channel system and advanced radial water lowering method |
| CN104532864B (en) * | 2014-12-11 | 2016-07-06 | 中铁十九局集团有限公司 | Advanced radial precipitation channel system and advanced radial precipitation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |