CN108589735A - A kind of Tunnel gushing treatment method - Google Patents
A kind of Tunnel gushing treatment method Download PDFInfo
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- CN108589735A CN108589735A CN201810444008.5A CN201810444008A CN108589735A CN 108589735 A CN108589735 A CN 108589735A CN 201810444008 A CN201810444008 A CN 201810444008A CN 108589735 A CN108589735 A CN 108589735A
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- grouting
- plain stake
- pressure
- sand
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/16—Restraining of underground water by damming or interrupting the passage of underground water by placing or applying sealing substances
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention provides a kind of Tunnel gushing treatment methods, include the following steps, S1, draw water in the foundation pit that water burst occurs, primarily determine the direction and position of issue；S2, a plurality of drainpipe of setting at the foundation pit close to the issue；S3, the multiple sand hills of accumulation at the foundation pit close to the issue, make the sand hill cover the issue；S4, the plain stake progress bored grouting close to the issue is filled and is diffused in layer of sand according to the direction and position of the step S1 issues determined；S5, it is drilled to obtain multiple fill orifices between the plain stake and the diaphragm wall, and slip casting is carried out to the fill orifice, filling is diffused in layer of sand；S6, bored grouting is carried out to the Grouting Pipe in the diaphragm wall, filling is diffused in layer of sand.The present invention can solve the problems, such as that uniformity, bad to the physical and mechanical property improvement of soil layer and cost is excessively high to lacking when issue progress slip casting in the prior art.
Description
Technical field
The present invention relates to a kind of construction of railway project technical field more particularly to a kind of Tunnel gushing treatment methods.
Background technology
Currently, the case where there are water bursts during constructing metro tunnel, adversely affects to the construction of subway tunnel.
In processing subway tunnel there are when the case where water burst, generally use steel tube shed adds small-lead-tube advanced slip-casting method for protecting support, partly
Area is handled using freezing, but steel tube shed adds grouting with small pipe easy, causes to lack when carrying out slip casting to issue uniform
Property, it is bad to the physical and mechanical property improvement of soil layer, while such slip casting can not cope with water burst the problem of；Pass through freezing
Method handles water burst, and freezing has that cost is excessively high and can not be fully solved water burst.
Invention content
Based on this, the purpose of the present invention is to provide a kind of Tunnel gushing treatment methods, to solve to handle subway in the prior art
When the water burst situation in tunnel, exists and issue is carried out lacking uniformity when slip casting, the physical and mechanical property of soil layer is improved
The ineffective and excessively high problem of cost.
The technical scheme is that：A kind of Tunnel gushing treatment method, includes the following steps：
S1, it draws water in the foundation pit that water burst occurs, primarily determines the direction and position of issue；
S2, a plurality of drainpipe of setting at the foundation pit close to the issue；
S3, the multiple sand hills of accumulation at the foundation pit close to the issue, make the sand hill cover the issue；
S4, according to the direction and position of the step S1 issue determined, drill to the plain stake close to the issue
Slip casting, filling are diffused in layer of sand；
S5, drilled to obtain multiple fill orifices between the plain stake and the diaphragm wall, and to the fill orifice into
Row slip casting, filling are diffused in layer of sand；
S6, bored grouting is carried out to the Grouting Pipe in the diaphragm wall, filling is diffused in layer of sand.
Optionally, in the step S2, specific operation process is：
S21, it is punched on the surface of the drainpipe side close to the water inlet, and after the completion of punching, it will
Protection iron net is set in the surface close to the drainpipe side of the water inlet；
S22, the water inlet of the drainpipe is inserted into close to the foundation pit vicinity of the issue, the drainpipe
Water outlet be inserted into the water pumper.
Optionally, in the step S3, the sand hill is deposited on the surface of the protection iron net.
Optionally, in the step S4, the center location for determining the plain stake is first had to, the drill bit of rotary drilling rig is aligned
Then the drill bit of the rotary drilling rig is moved down and touches the plain stake by the center location of plain stake, starter motor drilling, until
The hole of the plain stake is drilled into and reaches preset altitude range, slip casting finally is carried out to the plain stake after drilling.
Optionally, in the step S5, drilled to obtain between the plain stake and the diaphragm wall the first hole row and
Second hole arranges, and first hole row and the second hole row respectively include 12 fill orifices, each of adjacent fill orifice it
Between distance be 1000mm.
Optionally, in the step S4, the process of the hole slip casting of the element stake is：First after the plain stake has drilled
Afterwards, high-pressure slip-casting is carried out to the hole of the plain stake；Then after the slurries condensation in the hole of the plain stake, to the hole of the plain stake into
Row low-pressure grouting.
Optionally, it is to the process of the fill orifice slip casting：High-pressure slip-casting is carried out to the fill orifice first, then in institute
After the slurries condensation for stating fill orifice, low-pressure grouting is carried out to the fill orifice.
8, Tunnel gushing treatment method as claimed in claim 5, which is characterized in that in the step S6, to the Grouting Pipe
The process of slip casting is：High-pressure slip-casting is carried out to the Grouting Pipe first, then in the peaceful mechanism of slurries of the Grouting Pipe, to described
Grouting Pipe carries out low-pressure grouting.
Optionally, the grouting pressure of the high-pressure slip-casting is 3MPa, and the flow rate of grouting of the high-pressure slip-casting is 110L/mi
n；
The grouting pressure of the low-pressure grouting is 1MPa, and the flow rate of grouting of the low-pressure grouting is 70L/mi n.
Optionally, in described step S4, S5 and S6, grouting mode uses cement-water glass double grouting.
Implement the embodiment of the present invention, has the advantages that：
The Tunnel gushing treatment method of the present invention can be so that constructor's Ming and Qing Chu by drawing water to the foundation pit that water burst occurs
The direction and position for understanding issue, construct convenient for constructor；By to a plurality of row of setting at the foundation pit of issue
Water pipe, if at the position of issue after accumulation sand hill, also there is water burst situation in issue, can will be in foundation pit by drainpipe
Water burst pump drainage is gone out, and the water burst volume in foundation pit is reduced；By the multiple sand hills of accumulation at the foundation pit close to issue, to make
It obtains sand hill to cover issue, avoids the occurrence of the dilutional hyponatremia gushed out from issue, diaphragm wall is impacted；By being gushed to close
The plain stake of water spot carries out bored grouting and avoids underground water to realize effective diffusion of the slurries in plain stake and flowed from plain stake
Enter into issue；Since there is also soil layers between plain stake and diaphragm wall, there is the issues in foundation pit to extend to element
Soil layer between stake and diaphragm wall, therefore, by carrying out slip casting toward fill orifice, so as to realize slurries plain stake and diaphragm wall it
Between soil layer in effective diffusion, avoid underground water flowed into from the soil layer between plain stake and diaphragm wall it is effective in issue
Diffusion, avoids underground water and is flowed into issue from the figure layer between plain stake and diaphragm wall；Pass through the Grouting Pipe in diaphragm wall
Bored grouting is carried out, realizes effective diffusion of the slurries in Grouting Pipe, and slurries can pass through issue from subterranean layer, realize and reinforce
Diaphragm wall and foundation pit block underground water burst, to improve the construction quality of subway tunnel construction, improve economy.Therefore, pass through
To carrying out bored grouting, by carrying out slip casting toward fill orifice in the soil layer between plain stake and diaphragm wall close to the plain stake of issue
Bored grouting is carried out with by the Grouting Pipe in diaphragm wall, slip casting can be carried out to the construction site near issue, realize slip casting
Uniformity, improve soil layer physical property.
Description of the drawings
Fig. 1 is the sand hill of the Tunnel gushing treatment method of the present invention and drainpipe is placed on the schematic diagram of issue.
Fig. 2 is the schematic diagram of the drainpipe and protection iron net of the present invention.
Fig. 3 be the diaphragm wall of the present invention, plain stake and fill orifice schematic diagram.
Reference sign：
1, drainpipe；11, water inlet；12, water outlet；2, iron net is protected；3, sand hill；4, plain stake；5, diaphragm wall；6, it is perfused
Hole；7, issue；8, geologic prospect hole.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, the instructions such as term "upper", "lower", "left", "right", "top", "bottom"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
As shown in Figures 1 to 3, a kind of Tunnel gushing treatment method comprising following steps：
S1, it draws water in the foundation pit that water burst occurs, primarily determines the direction and position of issue 7；
S2, a plurality of drainpipe 1 is set at the foundation pit close to issue 7；
S3, the multiple sand hills 3 of accumulation at the foundation pit close to issue 7, make sand hill 3 cover issue 7；
S4, according to the direction and position of the step S1 issue 7 determined, to carrying out drilling note close to the plain stake 4 of issue 7
Slurry, filling are diffused in layer of sand；
S5, it is drilled to obtain multiple fill orifices 6 between plain stake 4 and diaphragm wall 5, and slip casting is carried out to fill orifice 6, filled
It fills out and is diffused in layer of sand；
S6, bored grouting is carried out to the Grouting Pipe in diaphragm wall 5, filling is diffused in layer of sand.
Based on above-mentioned setting, Tunnel gushing treatment method of the invention can be made by drawing water to the foundation pit that water burst occurs
The bright direction and position for having a clear understanding of issue 7 of constructor, constructs convenient for constructor；By to the base close to issue 7
A plurality of drainpipe 1 is set at hole, if after accumulation sand hill 3 at the position of issue 7, water burst situation also occurs in issue 7, can lead to
It crosses drainpipe 1 the water burst pump drainage in foundation pit is gone out, reduces the water burst volume in foundation pit；By in the foundation pit close to issue 7
Place accumulates multiple sand hills 3 and avoids the occurrence of the dilutional hyponatremia gushed out from issue 7 so that sand hill 3 covers issue 7, to even
Continuous wall 5 impacts；By carrying out bored grouting to the plain stake 4 close to issue 7, to realize slurries having in plain stake 4
Effect diffusion, avoids underground water and is flowed into issue 7 from plain stake 4；Due to there is also soil layer between plain stake 4 and diaphragm wall 5,
There is the issues 7 in foundation pit to extend to the soil layer between plain stake 4 and diaphragm wall 5, therefore, by plain stake 4 and even
Slip casting is carried out toward fill orifice 6 in soil layer between continuous wall 5, so as to realize in soil layer of the slurries between plain stake 4 and diaphragm wall 5
Effective diffusion, avoid soil layer of the underground water between plain stake 4 and diaphragm wall 5 and flow into issue 7；Pass through diaphragm wall 5
In Grouting Pipe carry out bored grouting, realize effective diffusion of the slurries in Grouting Pipe, and slurries can pass through water burst from subterranean layer
Point 7 is realized and reinforces diaphragm wall 5 and foundation pit, and underground water burst is blocked, and to improve the construction quality of subway tunnel construction, improves warp
Ji property.Therefore, by carrying out bored grouting close to the plain stake 4 of issue 7, passing through the soil layer between plain stake 4 and diaphragm wall 5
In carry out slip casting toward fill orifice 6 and bored grouting carried out by Grouting Pipe in diaphragm wall 5, can be to the construction near issue 7
Scene carries out slip casting, realizes the uniformity of slip casting, improves the physical property of soil layer.
In the present embodiment, as shown in Figures 1 to 3, in order to enable the water that issue 7 is gushed out can be detached quickly, it is convenient for step
The progress of S4, S5 and S6, in step S2, specific operation process is：
S21, it is punched close to the surface of 1 side of drainpipe of water inlet 11, and after the completion of punching, by anti-break iron
Net 2 is set in the surface close to 1 side of drainpipe of water inlet 11；
S22, the water inlet 11 of drainpipe 1 is inserted into close to the foundation pit vicinity of issue 7, the water outlet 12 of drainpipe 1
It is inserted into water pumper.Specifically, the water inlet 11 due to drainpipe 1 is located near issue 7, by close to water inlet 11
The surface of the side of drainpipe 1 is punched, to obtain osculum, when the water of issue 7 is gushed out, the water gushed out in addition to from
Except the water of drainpipe 1 enters, also enter from the hole on 1 surface of drainpipe, improves drainage efficiency, in the embodiment of the present invention, row
Water hole equidistant interval in the surface of drainpipe 1 is arranged；Protection iron net 2 can protect drainpipe 1, avoid sand hill 3 directly with draining
Pipe 1 contacts and causes the damage of drainpipe 1；It draws water function and provides power to detach the water that issue 7 is gushed out.
In the present embodiment, in step S3, sand hill 3 is deposited on the surface of protection iron net 2, issue 7 is gushed in sand hill 3
While the water gone out plays the role of back-pressure, the water of issue 7 can preferably be flowed out from the discharge outlet of drainpipe 1 and osculum.
In the present embodiment, in order to realize effective diffusion of the slurries in plain stake 4, avoids underground water and flowed into from plain stake 4
Into issue 7, in step S4, the center location for determining plain stake 4 is first had to, by the circle of the drill bit alignment element stake 4 of rotary drilling rig
Then the drill bit of rotary drilling rig is moved down and touches plain stake 4 by heart position, starter motor drilling, until the hole of plain stake 4 is drilled into
Reach preset altitude range, slip casting finally is carried out to the plain stake 4 after drilling.It is drilled as a result, to plain stake 4 using this method
Slip casting avoids and carries out bored grouting using complex mechanical equipment, and operation is very simple, has saved a large amount of cost, economy effect
With height, the loss of underground water can be effectively reduced, underground water is avoided to flow into water burst eye from plain stake 4.
In the present embodiment, in order to further increase can realize it is effective in soil layer of the slurries between plain stake 4 and diaphragm wall 5
Diffusion, avoids soil layer of the underground water between plain stake 4 and diaphragm wall 5 and flows into issue 7, in step S4, in 4 He of plain stake
It is drilled to obtain the first hole row and the second hole row between diaphragm wall 5, the first hole row and the second hole row respectively include 12 perfusions
Hole 6, the distance between adjacent each fill orifice 6 are 1000mm.By the way that multiple fill orifices 6 are arranged, slurries can be realized from perfusion
Hole 6 enters the soil layer between plain stake 4 and diaphragm wall 5 so that slurries filling is diffused in layer of sand.
In the present embodiment, in order to enable the hole slip casting effect of plain stake 4 is more notable, in step S4, the hole slip casting of plain stake 4
Process is：After first after plain stake 4 has drilled, high-pressure slip-casting is carried out to the hole of plain stake 4；Then solidifying in the slurries in the hole of plain stake 4
After knot, low-pressure grouting is carried out to the hole of plain stake 4.Specifically, when the water that issue 7 is gushed out is more, using high-pressure slip-casting；When
When the water of 7 use of issue is less, using low-pressure grouting.
In the present embodiment, as shown in Figures 1 to 3, in order to enable the slip casting effect of fill orifice 6 becomes apparent, it is right in step S5
The process of 6 slip casting of fill orifice is：High-pressure slip-casting is carried out to fill orifice 6 first, then after the condensation of the slurries of fill orifice 6, to filling
Orifice 6 carries out low-pressure grouting.Specifically, when the water that issue 7 is gushed out is more, using high-pressure slip-casting；When 7 use of issue
Water it is less when, using low-pressure grouting.
In the present embodiment, in order to enable the slip casting effect of Grouting Pipe becomes apparent, in step S6, to the mistake of Grouting Pipe slip casting
Cheng Wei：High-pressure slip-casting is carried out to Grouting Pipe first, then in the peaceful mechanism of the slurries of Grouting Pipe, low-pressure grouting is carried out to Grouting Pipe.
Specifically, when the water that issue 7 is gushed out is more, using high-pressure slip-casting；When the water of 7 use of issue is less, use
Low-pressure grouting.
In the present embodiment, in order to enable the slip casting effect difference between high-pressure slip-casting and low-pressure grouting becomes apparent, high pressure
The grouting pressure of slip casting is 3MPa, and the flow rate of grouting of high-pressure slip-casting is 110L/mi n；
In the present embodiment, the grouting pressure of low-pressure grouting is 1MPa, and the flow rate of grouting of low-pressure grouting is 70L/mi n.
In the present embodiment, step S4, in S5 and S6, grouting mode uses cement-water glass double grouting, wherein cement
It is matched 1 with the slurry volume of waterglass:1~3:Between 1, cement slurry density is 1.80~2.00g/cm3, it is dense be 43~
45Be。
In the present embodiment, the side of plain stake 4 is equipped with multiple geologic prospect holes 8, convenient for the progress of construction.
To sum up, Tunnel gushing treatment method of the invention can be so that constructor be bright by drawing water to the foundation pit that water burst occurs
The direction and position for having a clear understanding of issue 7, construct convenient for constructor；By to being arranged at the foundation pit of issue 7
A plurality of drainpipe 1, if after accumulation sand hill 3 at the position of issue 7, also there is water burst situation in issue 7, can pass through drainpipe
1 goes out the water burst pump drainage in foundation pit, reduces the water burst volume in foundation pit；It is more by being accumulated at the foundation pit close to issue 7
A sand hill 3 avoids the occurrence of the dilutional hyponatremia gushed out from issue 7 so that sand hill 3 covers issue 7, is made to diaphragm wall 5
At influence；By carrying out bored grouting to the plain stake 4 close to issue 7, to realize effective diffusion of the slurries in plain stake 4,
Underground water is avoided to flow into issue 7 from plain stake 4；Due to there is also soil layer between plain stake 4 and diaphragm wall 5, there is
Issue 7 in foundation pit extends to the soil layer between plain stake 4 and diaphragm wall 5, therefore, by carrying out slip casting toward fill orifice 6,
So as to realizing effective diffusion in soil layer of the slurries between plain stake 4 and diaphragm wall 5, avoiding underground water from plain stake 4 and connecting
Soil layer between continuous wall 5 flows into issue 7；Bored grouting is carried out by the Grouting Pipe in diaphragm wall 5, realizes that slurries are being noted
Effective diffusion in pipe is starched, and slurries can pass through issue 7 from subterranean layer, realize and reinforce diaphragm wall 5 and foundation pit, block underground and gush
Water improves economy to improve the construction quality of subway tunnel construction.Therefore, by the plain stake 4 close to issue 7 into
Row bored grouting, by carrying out slip casting and by diaphragm wall 5 toward fill orifice 6 in the soil layer between plain stake 4 and diaphragm wall 5
Grouting Pipe carries out bored grouting, can carry out slip casting to the construction site near issue 7, realize the uniformity of slip casting, improve soil
The physical property on stratum.It should be understood that various information are described using term " first ", " second " etc. in the present invention, but
These information should not necessarily be limited by these terms, these terms are only used for same type of information being distinguished from each other out.For example, not taking off
In the case of from the scope of the invention, " first " information can also be referred to as " second " information, similar, and " second " information can also
It is referred to as " first " information.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principle of the present invention, several improvement and deformations can also be made, these improvement and deformations are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of Tunnel gushing treatment method, which is characterized in that include the following steps：
S1, it draws water in the foundation pit that water burst occurs, primarily determines the direction and position of issue；
S2, a plurality of drainpipe of setting at the foundation pit close to the issue；
S3, the multiple sand hills of accumulation at the foundation pit close to the issue, make the sand hill cover the issue；
S4, according to the direction and position of the step S1 issue determined, bored grouting is carried out to the plain stake close to the issue,
Filling is diffused in layer of sand；
S5, it is drilled to obtain multiple fill orifices between the plain stake and the diaphragm wall, and the fill orifice is noted
Slurry, filling are diffused in layer of sand；
S6, bored grouting is carried out to the Grouting Pipe in the diaphragm wall, filling is diffused in layer of sand.
2. Tunnel gushing treatment method as described in claim 1, which is characterized in that in the step S2, specific operation process is：
S21, it is punched on the surface of the drainpipe side close to the water inlet, and after the completion of punching, will be protected
Iron net is set in the surface close to the drainpipe side of the water inlet；
S22, the water inlet of the drainpipe is inserted into close to the foundation pit vicinity of the issue, the drainpipe goes out
The mouth of a river is inserted into the water pumper.
3. Tunnel gushing treatment method as claimed in claim 2, which is characterized in that in the step S3, the sand hill is deposited in
On the surface of the protection iron net.
4. Tunnel gushing treatment method as claimed in claim 3, which is characterized in that in the step S4, first have to determine the element
The center location of stake, it is then that the drill bit of the rotary drilling rig is downward by the center location of the plain stake of drill bit alignment of rotary drilling rig
Mobile to touch the plain stake, starter motor drilling reaches preset altitude range until the hole of the plain stake is drilled into, finally right
The plain stake after drilling carries out slip casting.
5. Tunnel gushing treatment method as claimed in claim 4, which is characterized in that in the step S5, in the plain stake and described
It is drilled to obtain the first hole row and the second hole row between diaphragm wall, the first hole row and the second hole row respectively include 12 institutes
Fill orifice is stated, the distance between each of adjacent described fill orifice is 1000mm.
6. Tunnel gushing treatment method as claimed in claim 5, which is characterized in that in the step S4, the hole slip casting of the element stake
Process be：After first after the plain stake has drilled, high-pressure slip-casting is carried out to the hole of the plain stake；Then in the plain stake
After the slurries condensation in hole, low-pressure grouting is carried out to the hole of the plain stake.
7. Tunnel gushing treatment method as claimed in claim 5, which is characterized in that in the step S5, to the fill orifice slip casting
Process be：High-pressure slip-casting is carried out to the fill orifice first, then after the condensation of the slurries of the fill orifice, to the perfusion
Hole carries out low-pressure grouting.
8. Tunnel gushing treatment method as claimed in claim 5, which is characterized in that in the step S6, to the Grouting Pipe slip casting
Process be：High-pressure slip-casting is carried out to the Grouting Pipe first, then in the peaceful mechanism of slurries of the Grouting Pipe, to the slip casting
Pipe carries out low-pressure grouting.
9. such as claim 6~8 any one of them Tunnel gushing treatment method, which is characterized in that the slip casting pressure of the high-pressure slip-casting
Power is 3MPa, and the flow rate of grouting of the high-pressure slip-casting is 110L/min；
The grouting pressure of the low-pressure grouting is 1MPa, and the flow rate of grouting of the low-pressure grouting is 70L/min.
10. Tunnel gushing treatment method as claimed in claim 7, which is characterized in that in described step S4, S5 and S6, grouting mode
Using cement-water glass double grouting.
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| CN201810444008.5A CN108589735A (en) | 2018-05-10 | 2018-05-10 | A kind of Tunnel gushing treatment method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109610412A (en) * | 2018-11-29 | 2019-04-12 | 云南省红河州水利水电勘察设计研究院 | A kind of karst area underground underground river plugging structure and method for blocking |
| CN110284908A (en) * | 2019-07-26 | 2019-09-27 | 济南城建集团有限公司 | A kind of circumferential grouting for water plugging method in shield received well |
| CN112609720A (en) * | 2020-12-04 | 2021-04-06 | 中建五局土木工程有限公司 | Precipitation construction method suitable for deep foundation pit of high-pressure-bearing water-rich karst stratum |
| CN115030755A (en) * | 2022-06-25 | 2022-09-09 | 中电建十一局工程有限公司 | Construction method for quickly blocking water and sand gushes of tunnel portal |
| CN115110556A (en) * | 2022-07-21 | 2022-09-27 | 广州地铁设计研究院股份有限公司 | Foundation pit water inrush treatment method based on water storage back pressure |
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| CN109610412A (en) * | 2018-11-29 | 2019-04-12 | 云南省红河州水利水电勘察设计研究院 | A kind of karst area underground underground river plugging structure and method for blocking |
| CN109610412B (en) * | 2018-11-29 | 2020-12-04 | 云南省红河州水利水电勘察设计研究院 | Blocking structure and blocking method for underground river in karst area |
| CN110284908A (en) * | 2019-07-26 | 2019-09-27 | 济南城建集团有限公司 | A kind of circumferential grouting for water plugging method in shield received well |
| CN112609720A (en) * | 2020-12-04 | 2021-04-06 | 中建五局土木工程有限公司 | Precipitation construction method suitable for deep foundation pit of high-pressure-bearing water-rich karst stratum |
| CN115030755A (en) * | 2022-06-25 | 2022-09-09 | 中电建十一局工程有限公司 | Construction method for quickly blocking water and sand gushes of tunnel portal |
| CN115110556A (en) * | 2022-07-21 | 2022-09-27 | 广州地铁设计研究院股份有限公司 | Foundation pit water inrush treatment method based on water storage back pressure |
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