CN108547661A - A kind of tunnel drainage system and method for reverse pressure water renewable type - Google Patents
A kind of tunnel drainage system and method for reverse pressure water renewable type Download PDFInfo
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- CN108547661A CN108547661A CN201810333381.3A CN201810333381A CN108547661A CN 108547661 A CN108547661 A CN 108547661A CN 201810333381 A CN201810333381 A CN 201810333381A CN 108547661 A CN108547661 A CN 108547661A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims description 12
- 238000005553 drilling Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 37
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 8
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 235000005979 Citrus limon Nutrition 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 244000248349 Citrus limon Species 0.000 claims description 3
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 244000131522 Citrus pyriformis Species 0.000 claims description 2
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 56
- 235000015165 citric acid Nutrition 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The present invention provides a kind of tunnel drainage system of reverse pressure water renewable type,The system includes drilling,Gutter,Reverse compressed water generation apparatus etc.,The position drained setting drilling is needed in tunnel surrounding,The elevation of tank top is less than the elevation of foot of hole,Water tank is made of clear material,Reverse compressed water generation apparatus is located on the roadbed side slope outside tunnel,Reverse compressed water generation apparatus includes water tank,Exhaust pipe,Valve A,Drainpipe,Valve B,Gas cylinder A,Gas cylinder B,Diversion pipe,Bifurcated pipe,Pressure gauge,Gas-guide tube,Valve C,Check valve etc.,The present invention is filled with water tank by high pressure gas and water is inversely pressed to start siphon,Solve the problems, such as the accumulation of siphon pipe air and silt silting,Not by other electrical equipments,It is simple and reliable,Material simply easily obtains,It is not interfered by other external conditions,It is applied widely,Field massif tunnel suitable for remote districts.
Description
Technical field
The invention belongs to Tunnel Engineering fields, and in particular to it is a kind of it is reverse pressure water renewable type tunnel drainage system and side
Method, the draining especially suitable for massif tunnel surrounding.
Background technology
The water leakage defect in tunnel is exactly the problem of the operation of puzzlement tunnel and maintenance.The long-term percolating water in tunnel can be to tunnel
Road lining cutting generates erosion damage, and percolating water also will produce emollescence to tunnel surrounding, reduce the intensity of country rock, cause country rock
Unstable failure.Tunnel Water Leakage, which drops onto road surface, can cause surface gathered water or icing, influence traffic circulation.Current drainage measure
Larger to the destruction of lining cutting globality, draining range is smaller, and long-term is ineffective, and the cost for maintenance is higher.
Siphon technology has universal application in hydraulic engineering field, such as slope drainage, tunnel drainage, mudstone flowing water stone point
From, soft soil foundation draining etc., tunnel siphon drainage technology, with osculum arrangement is convenient, water-collecting capacity is strong, cuts drainage effect
Well, the advantages that engineering construction speed is fast, however in the engineering using tunnel siphon drainage method, it needs to keep at the top of siphon pipe
Certain vacuum degree, but can be precipitated under the bubble negative pressure being dissolved in water, due to outside air penetrates into siphon pipe etc., portion
Siphon pipe is divided usually to cause vacuum degree to decline because air is accumulated in pipe, part siphon pipe can temporarily be in the shape that is stopped
State, if siphon pipe is in for a long time arrheas state, in siphon drainage being caused difficult in maintenance or even entire siphon drainge system
Disconnected, siphon startup becomes abnormal difficult.In addition, tunnel siphon drainage technology generally uses diameter 4mm siphon pipes below, siphon
Pipe caliber is smaller, is susceptible to silt silting situation, can equally siphon be caused to interrupt, is difficult to restart after interruption.
Invention content
For the present invention for existing tunnel siphon drainge system technological deficiency difficult in maintenance, providing the reverse pressure water of one kind can be extensive
Siphon startup can be repeated during tunnel siphon drainge system use, solve for compound tunnel drainage system and method
It needs to safeguard and the problem of restart siphon, also solves silt in siphon pipe and become silted up because siphon inner air tube accumulates in drainage procedure
Stifled problem.
The technical scheme is that：It is a kind of it is reverse pressure water renewable type tunnel drainage system, the system include drilling,
Siphon pipe, gutter, reverse compressed water generation apparatus need the position drained setting drilling, the water inlet of siphon pipe to set in tunnel surrounding
In in drilling, the water outlet of siphon pipe is placed in closed water tank, and the elevation of tank top is less than the elevation of foot of hole, water tank
It is made of clear material, reverse compressed water generation apparatus is located on the roadbed side slope outside tunnel, and reverse compressed water generation apparatus includes water tank, exhaust
Pipe, valve A, drainpipe, valve B, gas cylinder A, gas cylinder B, diversion pipe, bifurcated pipe, pressure gauge, gas-guide tube, valve C, check valve, water tank
It is arranged on roadbed slope, exhaust pipe is mounted on the top of water tank, and valve A is mounted on exhaust pipe, and the arrival end of drainpipe connects
It is connected on the bottom of water tank, valve B is mounted on the exit of drainpipe, and gas cylinder A fills sodium bicarbonate solution, and gas cylinder B fills lemon
Acid solution is connected between gas cylinder A and gas cylinder B by diversion pipe, and the both ends of diversion pipe are all located at liquid level hereinafter, being set among diversion pipe
There are pressure gauge, the arrival end of gas-guide tube to be placed within gas cylinder A, the arrival end of gas-guide tube is more than liquid level, the outlet end of gas-guide tube
It is connect with water tank, valve C is mounted on gas-guide tube, and one end of bifurcated pipe is connect with gas-guide tube, and the other end of bifurcated pipe extend into gas cylinder B
Liquid level hereinafter, check valve is mounted on bifurcated pipe, the flow direction of check valve is from top to bottom.
Further, a diameter of 4mm of the siphon pipe.
Further, the quantity that siphon pipe is placed in the water tank is 50-100 roots.
Further, a diameter of 10mm of the exhaust pipe, a diameter of 10mm of the gas-guide tube.
A kind of tunnel drainage method of reverse pressure water renewable type, this method include：
（1）The tunnel drainage system of reverse pressure water renewable type when first used, closes valve A, closes valve C, open valve
B inversely pours water from valve B to drainpipe, and after the gas in siphon pipe is discharged, stopping inversely being poured water, and opens valve A；
（2）When half and more siphon pipe stops flowing, valve B is closed, so that cistern water level is increased, gas is by arranging in water tank
Tracheae is discharged；
（3）When water tank collection full water, valve A is closed, squeezes gas cylinder B, citric acid solution is made to flow into gas cylinder A, lemon by diversion pipe
Lemon acid generates carbon dioxide gas with reaction of sodium bicarbonate, and gas enters gas cylinder B by bifurcated pipe, makes the gas in gas cylinder A and gas cylinder B
Pressure reaches balance；
（4）When pressure gauge is shown as particular value, valve C is opened, gas is filled with water tank, makes the water in water tank is inverse to be pressed into siphon
Pipe, by siphon pipe silt and air be discharged；
（5）When cistern water level drops to the position of siphon pipe water outlet, valve C is closed, opens valve B, opens valve A, to
Sodium bicarbonate is supplemented in gas cylinder A, citric acid is supplemented into gas cylinder B.
The particular value that above-mentioned pressure gauge is shown is 200kpa-250kpa.
Beneficial effects of the present invention are mainly manifested in：
1, the present invention, which by high pressure gas is filled with water tank and inversely presses water, starts siphon, solves the accumulation of siphon pipe air and silt becomes silted up
Stifled problem, it is simple and reliable not by other electrical equipments.
2, material of the present invention simply easily obtains, and is not interfered by other external conditions, applied widely, is suitable for remote districts
Field massif tunnel.
3, the present invention generates gas using chemical reaction, can be used for multiple times, operating method is simple, can also start simultaneously
More siphon pipes, rapidly and efficiently start siphon.
4, the design of gas generating system of the invention ensure that gas continuously flows into water tank, gas cylinder A and gas cylinder B
Interior air pressure remains dynamic equilibrium, keeps whole device reliable and stable.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of the tunnel drainage system of reverse pressure water renewable type of the present invention；
Fig. 2 is a kind of tunnel cross section schematic diagram of the tunnel drainage system of reverse pressure water renewable type of the present invention；
Fig. 3 is a kind of structural representation of the reverse compressed water generation apparatus of the tunnel drainage system of reverse pressure water renewable type of the present invention
Figure；
In figure：Drilling 1, siphon pipe 2, gutter 4, tunnel 5, massif 6, roadbed side slope 7, reverse compressed water generation apparatus 3, water tank 31, exhaust
Pipe 32, valve A 33, drainpipe 34, valve B 35, gas cylinder A 81, gas cylinder B 82, diversion pipe 83, pressure gauge 84, gas-guide tube 85,
Valve C 86, bifurcated pipe 87, check valve 88.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology
Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Fixed range.
Embodiment 1
As shown in Figure 1 and Figure 2, the present embodiment provides a kind of tunnel drainage system of reverse pressure water renewable type, which includes boring
Hole 1, siphon pipe 2, gutter 4, reverse compressed water generation apparatus 3 need the position drained setting drilling 1 in tunnel surrounding, siphon pipe 2
Water inlet is placed in drilling 1, and the water outlet of siphon pipe 2 is placed in closed water tank 31, and the elevation at 31 top of water tank is less than drilling 1
The elevation of bottom, water tank 31 are made of clear material, and reverse compressed water generation apparatus 3 is located on the roadbed side slope 7 outside tunnel, inversely presses water
Device 3 includes water tank 31, exhaust pipe 32, valve A33, drainpipe 34, valve B35, gas cylinder A81, gas cylinder B82, diversion pipe 83, trouble
Pipe 87, pressure gauge 84, gas-guide tube 85, valve C86, check valve 88, water tank 31 are arranged on roadbed slope 7, and exhaust pipe 32 is installed
At the top of water tank 31, valve A33 is mounted on exhaust pipe 32, and the arrival end of drainpipe 34 is connected to the bottom of water tank 31, valve
Door B35 is mounted on the exit of drainpipe 34, and gas cylinder A81 fills sodium bicarbonate solution, and gas cylinder B82 fills citric acid solution, gas
It is connected by diversion pipe 83 between bottle A81 and gas cylinder B82, the both ends of diversion pipe 83 are all located at liquid level hereinafter, among diversion pipe 83
Equipped with pressure gauge 84, the arrival end of gas-guide tube 32 is placed within gas cylinder A81, and the arrival end of gas-guide tube 32 is more than liquid level, air guide
The outlet end of pipe 32 is connect with water tank 31, and valve C86 is mounted on gas-guide tube 32, and one end of bifurcated pipe 87 is connect with gas-guide tube 32,
The other end of bifurcated pipe 87 extend into the liquid level of gas cylinder B82 hereinafter, check valve 88 is mounted on bifurcated pipe 87, and the flow direction of check valve 88 is
From top to bottom.A diameter of 4mm of the siphon pipe 2.The quantity that siphon pipe 2 is placed in the water tank 31 is 50.It is described
Exhaust pipe 32 a diameter of 10mm, a diameter of 10mm of the gas-guide tube 85.The volume of water tank 31 is set as 50 liters, every
2 length of siphon pipe is 50m, and 50 siphon pipes 2 need 32 liters of water full of water, and the sodium bicarbonate solution of gas cylinder A 81 is 500 grams of carbon
The citric acid solution of sour hydrogen sodium and 2 liters of water, gas cylinder B 82 is 500 grams of citric acids and 1 kilogram of water, according to chemical reaction equation；
3NaHCO3+C6H8O7=C6H5O7Na3+3CO2+3H2After the reaction completely of O, sodium bicarbonate and citric acid, it is in room temperature, pressure
Under 250kpa, 53.2 liters of carbon dioxide can be generated.
A kind of tunnel drainage method of reverse pressure water renewable type, this method include：
（1）The tunnel drainage system of reverse pressure water renewable type when first used, closes valve A33, closes valve C86, open
Valve B35 inversely pours water from valve B35 to drainpipe 34, and after the gas in siphon pipe is discharged, stopping inversely being poured water, and is opened
Valve A33；
（2）When half and more siphon pipe stops flowing, valve B is closed, so that cistern water level is increased, gas is by arranging in water tank
Tracheae is discharged；
（3）When water tank collection full water, valve A33 is closed, squeezes gas cylinder B82, so that citric acid solution is passed through diversion pipe 83 and flows into gas
Bottle A81, citric acid generate carbon dioxide gas with reaction of sodium bicarbonate, and gas enters gas cylinder B82 by bifurcated pipe 87, makes gas cylinder
Air pressure in A81 and gas cylinder B82 reaches balance；
（4）When pressure gauge 84 is shown as 250kpa, valve C86 is opened, gas is filled with water tank 31, makes the inverse pressure of the water in water tank 31
Into siphon pipe 2, by siphon pipe 2 silt and air be discharged, after gas stream goes out gas cylinder A 81,81 pressure of gas cylinder A reduces,
Citric acid solution is pressed into gas cylinder A 81 by diversion pipe, and continuing to react generates gas；
（5）When position of 31 water level decreasing of water tank to 2 water outlet of siphon pipe, valve C86 is closed, opens valve B35, opens valve
Door A33, supplements sodium bicarbonate into gas cylinder A81, citric acid is supplemented into gas cylinder B82.
Claims (3)
1. it is a kind of it is reverse pressure water renewable type tunnel drainage system, which is characterized in that the system include drilling 1, siphon pipe 2,
Gutter 4, reverse compressed water generation apparatus 3 need the position drained setting drilling 1 in tunnel surrounding, and the water inlet of siphon pipe 2 is placed in brill
In hole 1, the water outlet of siphon pipe 2 is placed in closed water tank 31, and the elevation at 31 top of water tank is less than the elevation of 1 bottom of drilling,
Water tank 31 is made of clear material, and reverse compressed water generation apparatus 3 is located on the roadbed side slope 7 outside tunnel, and reverse compressed water generation apparatus 3 includes water
Case 31, exhaust pipe 32, valve A33, drainpipe 34, valve B35, gas cylinder A81, gas cylinder B82, diversion pipe 83, bifurcated pipe 87, pressure gauge
84, gas-guide tube 85, valve C86, check valve 88, water tank 31 are arranged on roadbed slope 7, and exhaust pipe 32 is mounted on the top of water tank 31
Portion, valve A33 are mounted on exhaust pipe 32, and the arrival end of drainpipe 34 is connected to the bottom of water tank 31, and valve B35 is mounted on row
The exit of water pipe 34, gas cylinder A81 fill sodium bicarbonate solution, and gas cylinder B82 fills citric acid solution, gas cylinder A81 and gas cylinder B82
Between connected by diversion pipe 83, the both ends of diversion pipe 83 are all located at liquid level hereinafter, being equipped with pressure gauge 84 among diversion pipe 83, lead
The arrival end of tracheae 32 is placed within gas cylinder A81, and the arrival end of gas-guide tube 32 is more than liquid level, the outlet end of gas-guide tube 32 and water
Case 31 connects, and valve C86 is mounted on gas-guide tube 32, and one end of bifurcated pipe 87 is connect with gas-guide tube 32, and the other end of bifurcated pipe 87 is stretched
Enter the liquid level to gas cylinder B82 hereinafter, check valve 88 is mounted on bifurcated pipe 87, the flow direction of check valve 88 is from top to bottom.
2. a kind of a kind of tunnel drainage method of reverse pressure water renewable type applied to claim 1, which is characterized in that the party
Method includes：
（1）The tunnel drainage system of reverse pressure water renewable type when first used, closes valve A, closes valve C, open valve
B inversely pours water from valve B to drainpipe, and after the gas in siphon pipe is discharged, stopping inversely being poured water, and opens valve A；
（2）When half and more siphon pipe stops flowing, valve B is closed, so that cistern water level is increased, gas is by arranging in water tank
Tracheae is discharged；
（3）When water tank collection full water, valve A is closed, squeezes gas cylinder B, citric acid solution is made to flow into gas cylinder A, lemon by diversion pipe
Lemon acid generates carbon dioxide gas with reaction of sodium bicarbonate, and gas enters gas cylinder B by bifurcated pipe, makes the gas in gas cylinder A and gas cylinder B
Pressure reaches balance；
（4）When pressure gauge shows particular value, valve C is opened, gas is filled with water tank, makes the water in water tank is inverse to be pressed into siphon
Pipe, by siphon pipe silt and air be discharged；
（5）When cistern water level drops to the position of siphon pipe water outlet, valve C is closed, opens valve B, opens valve A, to
Sodium bicarbonate is supplemented in gas cylinder A, citric acid is supplemented into gas cylinder B.
3. a kind of tunnel drainage method of reverse pressure water renewable type as claimed in claim 2, which is characterized in that the pressure
The particular value that power table is shown is 200kpa-250kpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333381.3A CN108547661B (en) | 2018-04-13 | 2018-04-13 | A kind of tunnel drainage system and method for reverse pressure water renewable type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333381.3A CN108547661B (en) | 2018-04-13 | 2018-04-13 | A kind of tunnel drainage system and method for reverse pressure water renewable type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108547661A true CN108547661A (en) | 2018-09-18 |
| CN108547661B CN108547661B (en) | 2019-11-08 |
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ID=63514733
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810333381.3A Active CN108547661B (en) | 2018-04-13 | 2018-04-13 | A kind of tunnel drainage system and method for reverse pressure water renewable type |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4717284A (en) * | 1986-01-20 | 1988-01-05 | Hydrogeo S.A. | Device for draining soils in depth |
| US5035535A (en) * | 1989-06-02 | 1991-07-30 | Gress S.A. | Device for regulating the flow in a drainage siphon tube |
| EP0678632A1 (en) * | 1994-04-21 | 1995-10-25 | Groupe Ress | Controlling device for a drain-syphon |
| CN201068566Y (en) * | 2007-07-30 | 2008-06-04 | 刘华 | Siphon type flow-guiding water-fetching device |
| CN102251529A (en) * | 2011-06-02 | 2011-11-23 | 浙江大学 | Self-balancing siphon drainage method by using side slope declining drill hole |
| CN107237650A (en) * | 2017-06-30 | 2017-10-10 | 浙江大学 | A kind of drilling siphon drainage system and method for being used to handle the infiltration of Tunnel wall |
-
2018
- 2018-04-13 CN CN201810333381.3A patent/CN108547661B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4717284A (en) * | 1986-01-20 | 1988-01-05 | Hydrogeo S.A. | Device for draining soils in depth |
| US5035535A (en) * | 1989-06-02 | 1991-07-30 | Gress S.A. | Device for regulating the flow in a drainage siphon tube |
| EP0678632A1 (en) * | 1994-04-21 | 1995-10-25 | Groupe Ress | Controlling device for a drain-syphon |
| CN201068566Y (en) * | 2007-07-30 | 2008-06-04 | 刘华 | Siphon type flow-guiding water-fetching device |
| CN102251529A (en) * | 2011-06-02 | 2011-11-23 | 浙江大学 | Self-balancing siphon drainage method by using side slope declining drill hole |
| CN107237650A (en) * | 2017-06-30 | 2017-10-10 | 浙江大学 | A kind of drilling siphon drainage system and method for being used to handle the infiltration of Tunnel wall |
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| Publication number | Publication date |
|---|---|
| CN108547661B (en) | 2019-11-08 |
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Effective date of registration: 20221020 Address after: East Section of Zhongtianmen Street, High-tech Zone, Tai'an City, Shandong Province, 271000 Patentee after: Zhongtai Hengbang Engineering Technology Co.,Ltd. Address before: 322104 No.88 Ju Road, Hefeng village, Liushi street, Dongyang City, Jinhua City, Zhejiang Province Patentee before: Dongyang Juntai Construction Engineering Co.,Ltd. |
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