CN109519220A - Karst area diversion tunnel is crushed rich water section grouting treatment method - Google Patents
Karst area diversion tunnel is crushed rich water section grouting treatment method Download PDFInfo
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- CN109519220A CN109519220A CN201811267789.1A CN201811267789A CN109519220A CN 109519220 A CN109519220 A CN 109519220A CN 201811267789 A CN201811267789 A CN 201811267789A CN 109519220 A CN109519220 A CN 109519220A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000011435 rock Substances 0.000 claims abstract description 54
- 239000002002 slurry Substances 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims description 30
- 230000005641 tunneling Effects 0.000 claims description 14
- 230000010287 polarization Effects 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 6
- 230000001052 transient effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 235000019353 potassium silicate Nutrition 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003673 groundwater Substances 0.000 abstract description 5
- 238000007569 slipcasting Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000007704 transition Effects 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- Ceramic Engineering (AREA)
- Electromagnetism (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Architecture (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Fluid Mechanics (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention provides a kind of karst area diversion tunnels to be crushed rich water section grouting treatment method, comprising the following steps: S1) geological prospecting is carried out to the rock crusher rich water section that water burst occurs, to determine the main diameter flow path of crevice water and/or underground water；S2 drainage hole) is drilled with as the runoff direction of tunnel wall towards crevice water described in country rock and/or the underground water of the rock crusher rich water section, to carry out drainage sluicing to the crevice water and/or the underground water；S3 it) is drilled with injected hole along the tunnel wall radial direction of the rock crusher rich water section and circumferentially spaced-apart preset distance, and is inserted into Grouting Pipe respectively in the injected hole；S4 injection slurry) is injected into the country rock by the drainage hole and the Grouting Pipe, so that circumferential in the country rock of the tunnel wall form water-stop curtain.Reach better grouting treatment effect, and can guarantee engineering safety and reduce groundwater resources pollution.
Description
Technical field
The present invention relates to Tunnel Engineering technical fields, and in particular to a kind of broken rich water section slip casting of karst area diversion tunnel
Administering method.
Background technique
During construction of Diversion Tunnels, it will usually encounter and pass through rock crusher section, and tunnel is predominantly located in underground water
Or less situation, tunnel surrounding surrounding rock stability is poor, and Karst water bursting problem is serious, and security risk is big.Usually in water burst position
Periphery is set using grouting for water blocking, after being excavated during supporting construction in the early stage occurs often the scar of exposure there are still strand water, split
Gap infiltration phenomenon leads to still have more strand water to flow out after just branch construction, and is distributed in arch, spandrel, each portion of abutment wall
Position, construction safety and construction operation to tunnel, which cause, to be seriously affected.
Summary of the invention
The object of the present invention is to provide a kind of karst area diversion tunnels to be crushed rich water section grouting treatment method, reduces underground
The water yield and hydraulic pressure in engineering excavation face solve the burst problem that tunnel is crushed hydrous fluids from source, reach better slip casting and control
Effect is managed, and can guarantee engineering safety and reduce groundwater resources pollution.
Karst area diversion tunnel provided by the invention is crushed rich water section grouting treatment method, comprising the following steps: S1) it is right
The rock crusher rich water section that water burst occurs carries out geological prospecting, to determine the main diameter flow path of crevice water and/or underground water；
S2) as the tunnel wall of the rock crusher rich water section towards the runoff direction of crevice water described in country rock and/or the underground water
It is drilled with drainage hole, to carry out drainage sluicing to the crevice water and/or the underground water；S3) along the rock crusher rich water section
Tunnel wall it is radial and circumferentially spaced-apart preset distance is drilled with injected hole, and be inserted into Grouting Pipe respectively in the injected hole；S4) lead to
It crosses the drainage hole and the Grouting Pipe injects injection slurry into the country rock, so that the circumferential shape in the country rock of the tunnel wall
At water-stop curtain.
Preferably, in step S1), the geological prospecting is induced polarization exploration, transient electromagnetic detecting and geological radar
One or more of detection.
Preferably, the geological prospecting is induced polarization exploration, the step S1) it include: to be put down on face to be excavated
Row is in two detection lines of backplane；At least four detection lines of backplane are parallel on tunneling side wall；Pass through battle array
Column induced polarization exploration obtains the main diameter flow path of the crevice water and/or the underground water.
Preferably, the geological prospecting be transient electromagnetic detecting, the step S1) include: on face to be excavated and
Pre-position setting transmitting wire frame and receiving transducer on tunneling side wall；It is parallel on the face to be excavated
Two detection lines of backplane are parallel to one detection line of the backplane on the side wall of tunneling；Pass through institute
Transmitting wire frame transmission of electromagnetic signals is stated, and electromagnetic signal is received to carry out Data Gathering by the receiving transducer, and then obtain
To the crevice water and/or the main diameter flow path of the underground water.
Preferably, the geological prospecting is geologic radar detection, the step S1) it include: on tunneling side wall
On be parallel to two detection lines of backplane；By the way that geological radar antenna close to the country rock and is moved the geological radar day
Line carries out Data Gathering, and then obtains the main diameter flow path of the crevice water and/or the underground water.
Preferably, in step S2), as the rock crusher rich water section tunnel wall towards crevice water described in country rock
And/or the runoff direction of the underground water is drilled with drainage hole, comprising: is drilled with inside the water body of crevice water described in Xiang Suoshu country rock
The upstream of drainage hole and/or the main diameter circulation road to the underground water is drilled with drainage hole.
Preferably, in step S3), the injected hole is arranged between the drainage hole.
Preferably, in step S3), after being inserted into Grouting Pipe respectively in the injected hole, in the Grouting Pipe nozzle
Surrounding is closed using mortar.
Preferably, in step S4), the injection slurry is using the double slurries of cement-silicate.
Preferably, the ratio of mud of cement slurry is 1:1 in double slurries, and cement slurry and waterglass volume ratio are 1:1.
Karst area diversion tunnel provided by the invention is crushed rich water section grouting treatment method, first in the broken rich water
Duan Jinhang geological prospecting determines the main diameter flow path of crevice water and/or underground water according to the result of exploration, to subsequent
Step is administered to be instructed；Then for the broken feature that rich water section water yield is big, hydraulic pressure is high, first it is drilled with drainage hole and plays shunting
It is acted on pressure release, to reduce the water yield and hydraulic pressure in Underground Engineering Excavation face；It is drilled with injected hole again and carries out grouting treatment, passes through note
Slurry pipe injects injection slurry into the country rock, it is intended to by crevice water barrier outside curtain circle, while the compression strength of country rock is improved,
By the drainage hole slip casting, the water-bearing structure in country rock is blocked, the burst problem that tunnel is crushed hydrous fluids is solved from source, reaches
To better grouting treatment effect, and it can guarantee engineering safety and reduce groundwater resources pollution.
The other feature and advantage of the embodiment of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under
The specific embodiment in face is used to explain the present invention embodiment together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure:
Fig. 1 is that the karst area diversion tunnel of embodiment according to the present invention is crushed diversion in rich water section grouting treatment method
The vertical section schematic diagram of tunnel；
Fig. 2 be embodiment according to the present invention karst area diversion tunnel be crushed rich water section grouting treatment method in excite
Polarize the detection line arrangement schematic diagram detected；
Fig. 3 is that the karst area diversion tunnel of embodiment according to the present invention is crushed transition in rich water section grouting treatment method
The detection line arrangement schematic diagram of electromagnetic surveying；And
Fig. 4 is that the karst area diversion tunnel of embodiment according to the present invention is crushed geology in rich water section grouting treatment method
The detection line arrangement schematic diagram of radar detection.
Description of symbols
1 main 2 drainage hole of diameter flow path
The face to be excavated of 3 injected hole 4
5 detect the tunneling side wall of lines 6
7 transmitting 8 receiving transducers of wire frame
9 water-stop curtains
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this
Locate described specific embodiment and be merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
With reference to the accompanying drawing, technical solution in the embodiment of the present invention is described in detail.
As shown in Figure 1, karst area diversion tunnel provided by the invention is crushed rich water section grouting treatment method, including following
Step: S1) geological prospecting is carried out to the rock crusher rich water section that water burst occurs, to determine the main of crevice water and/or underground water
Diameter flow path 1；S2) as the tunnel wall of the rock crusher rich water section towards crevice water described in country rock and/or the underground water
Runoff direction be drilled with drainage hole 2, to carry out drainage sluicing to the crevice water and/or the underground water；S3) along the country rock
The tunnel wall of broken rich water section is radial and circumferentially spaced-apart preset distance is drilled with injected hole 3, and is inserted into respectively in the injected hole 3
Grouting Pipe；S4 injection slurry) is injected into the country rock by the drainage hole 2 and the Grouting Pipe, so that in the tunnel wall
Country rock in circumferential form water-stop curtain 9.
Grouting treatment method provided by the invention carries out geological prospecting in the broken rich water section first, according to exploration
As a result to determine the main diameter flow path 1 of crevice water and/or underground water, to instruct subsequent improvement step, then needle
Feature big to broken rich water section water yield, hydraulic pressure is high, using the administering method of first sluicing, slip casting again, to reach better note
Regulation effect is starched, and can guarantee engineering safety and reduce groundwater resources pollution.
According to the technique and scheme of the present invention, the grouting treatment method includes: step S1) to the rock crusher that water burst occurs
Rich water section carries out geological prospecting, and to determine the main diameter flow path 1 of crevice water and/or underground water, judgement causes water burst to occur
The diameter flow path 1 at main water source, to instruct subsequent improvement step.
According to the technique and scheme of the present invention, in step S1), the geological prospecting is induced polarization exploration, transient electromagnetic
One or more of detection and geologic radar detection, to obtain the water distribution situation of broken rich water section crevice water and underground water,
To play the role of instructing subsequent improvement step.
A kind of embodiment according to the present invention, as shown in Fig. 2, the geological prospecting is induced polarization exploration, the step
Rapid S1) it include: that two detection lines 5 of backplane are parallel on face 4 to be excavated；It is parallel on tunneling side wall 6
In at least four detection lines 5 of backplane；By array induced polarization exploration, the crevice water and/or the underground water are obtained
Main diameter flow path 1.
A kind of the step of embodiment according to the present invention, arrangement detection line 5 includes: to be drilled with that aperture is 3 centimetres, hole depth is
20 centimetres, the hole diameter of axle tilt 10 degree of exploration hole, install electrode in the exploration hole, electrode carried out according to design requirement electric
It connects and is electrically connected with the measuring instrument acquired for data, the quantity of the exploration hole can be carried out according to practical situations
Setting.Preferably, it when each electrode is installed in the exploration hole, is coupled using couplant with the detection hole wall,
To reduce ground resistance, signal acquisition quality is improved.
A kind of embodiment according to the present invention, as shown in figure 3, the geological prospecting is transient electromagnetic detecting, the step
Rapid S1) it include: to emit wire frame 7 with the pre-position setting on tunneling side wall 6 on face 4 to be excavated and receive
Probe 8；Two detection lines 5 of backplane are parallel on the face 4 to be excavated, on the side wall of tunneling 6
It is parallel to one detection line 5 of the backplane；By 7 transmission of electromagnetic signals of transmitting wire frame, and by the receiving transducer 8
Electromagnetic signal is received to carry out Data Gathering, and then obtains the main diameter flow path of the crevice water and/or the underground water
Diameter 1.
A kind of embodiment according to the present invention, it is preferable that the size of the transmitting wire frame 7 is 3 meters × 3 meters, described to connect
Receive the center that probe 8 is located at transmitting wire frame 7, on the face 4 to be excavated, receiving transducer 8 and bottomside sounding line 5 away from
From 1.5 meters of bottom plate, top detects line 5 apart from 2.5 meters of bottom plate；On tunneling side wall 6, receiving transducer 8 and detection line 5 away from
From 1.5 meters of bottom plate.
The transmitting wire frame 7 is placed at a measurement point position, by described by a kind of embodiment according to the present invention
Emit 7 transmission of electromagnetic signals of wire frame, electromagnetic signal is received by the receiving transducer 8, completes the data acquisition of 1 measurement point, it
The data acquisition that the transmitting wire frame 7 carries out the 2nd measurement point is moved afterwards, is sequentially completed the data acquisition of remaining measurement point, into
And obtain the main diameter flow path 1 of the crevice water and/or the underground water.
A kind of embodiment according to the present invention, as shown in figure 4, the geological prospecting is geologic radar detection, the step
Rapid S1) include: 6 on tunneling side wall on be parallel to two detection lines 5 of backplane；By the way that geological radar antenna is pasted
Simultaneously the mobile geological radar antenna carries out Data Gathering to the nearly country rock, and then obtains the crevice water and/or described
The main diameter flow path 1 of underground water.
A kind of embodiment according to the present invention, it is preferable that for the bottomside sounding line 5 apart from 1 meter of bottom plate, top detects line
5 apart from 2 meters of bottom plate.
A kind of embodiment according to the present invention, the geological radar is detected using 100,000,000 antennas, by the geology
Radar antenna carries out data acquisition close to country rock and the mobile geological radar antenna, carries out a data acquisition at interval of 1 meter
Record.
According to the technique and scheme of the present invention, step S2) by the tunnel wall of the rock crusher rich water section towards institute in country rock
The runoff direction for stating crevice water and/or the underground water is drilled with drainage hole 2, with to the crevice water and/or the underground water into
Row drainage sluices, and makes it possible to for water burst to be drained to preset drainage channel.
A kind of embodiment according to the present invention, in step S2), by the tunnel wall direction of the rock crusher rich water section
The runoff direction of crevice water described in country rock and/or the underground water is drilled with drainage hole 2, comprising: splits described in Xiang Suoshu country rock
The upstream that drainage hole 2 and/or the main diameter circulation road to the underground water are drilled with inside the water body of gap water is drilled with drainage hole 2.
For broken rich water section water burst, for causing the water source of water burst to be mainly the crevice water, and with underground engineering phase
To position more recently condition, the drainage hole 2 for draining pressure release can be crept into the water body of crevice water, artificial change crack
The water flow field of water reduces the water yield in broken blow section；If cause the water source of water burst away from Underground Engineering Excavation farther out, even
The drainage hole 2 for draining pressure release should be then arranged in the upstream of the main diameter circulation road of the underground water, play shunting by surface water body
It is acted on pressure release, to reduce the water yield in Underground Engineering Excavation face.
A kind of embodiment according to the present invention, at two 10 meters of lateral extent issue horizontal position of tunnel section issue
Construction is drilled with drainage hole 2, and two sides, which are respectively constructed, is drilled with 3 drainage holes 2, is drilled with position and is located at tunnel vault, to reduce water burst flow
And hydraulic pressure.
A kind of embodiment according to the present invention, the open pore size of the drainage hole 2 are 113 millimeters, to prevent drilling stifled
Plug, is inserted into seamless hot-finished steel tube in the drainage hole 2, and the steel pipe is steel floral tube, and is made at top cone-shaped, prevents from sealing
Block up and be easily installed jacking.
According to the technique and scheme of the present invention, step S3) between the tunnel wall radial direction and circumferential direction of the rock crusher rich water section
It is drilled with injected hole 3 every preset distance, and is inserted into Grouting Pipe respectively in the injected hole 3.
A kind of embodiment according to the present invention, in step S3), the injected hole 3 be arranged in the drainage hole 2 it
Between, so that realizing preferable grouting for water blocking effect.
A kind of embodiment according to the present invention, it is preferable that the aperture of the injected hole 3 is 42 millimeters, drilling depth 5
Rice drills 2.5 × 2.5 meters of ring longitudinal pitch.
A kind of embodiment according to the present invention, Grouting Pipe use diameter for 50 millimeters, and the hot rolling that 3.5 millimeters of wall thickness is seamless
Steel pipe, steel pipe are 2.5 meters long, it is preferable that in step S3), after being inserted into Grouting Pipe respectively in the injected hole 3, described
It is closed around Grouting Pipe nozzle using mortar, with the phenomenon that do not leak air when ensuring slip casting operation.
To ensure that grouting quality, the injected hole 3 are arranged along tunnel central axes by certain angle, the injected hole
3 determine with tunnel inner wall angle according to the paragraph fractured zones situation, apply perpendicular to fissure-plane, are led as far as possible with more penetrating
Water crack gap, it is ensured that mutually overlapped in a longitudinal direction between each drilling, to ensure to realize preferable grouting for water blocking effect.
According to the technique and scheme of the present invention, step S4) it is infused by the drainage hole 2 and the Grouting Pipe into the country rock
Enter injection slurry, so that circumferential in the country rock of the tunnel wall form water-stop curtain 9.
A kind of embodiment according to the present invention injects injection slurry into the country rock by starching pipe first, it is intended to will split
Gap water resistance is interposed between outside curtain circle, while improving the compression strength of country rock；Later by 2 slip casting of drainage hole, block in country rock
Water-bearing structure solves tunnel from source and is crushed hydrous fluids burst problem.
According to the technique and scheme of the present invention, in step S4), the injection slurry is using the double slurries of cement-silicate.According to
One embodiment of the present invention, it is preferable that the ratio of mud of cement slurry is 1:1, cement slurry and waterglass body in double slurries
Product is than being 1:1, to realize preferable solidification plugging effect.
A kind of embodiment according to the present invention, slip casting use protrusive Discrete control grouting process, i.e., using drilling machine into
Row drilling, the grouting mode for being poured alternately operating can effectively avoid slip casting blind area, and it is 4 megapascal that circumferential consolidation grouting, which terminates pressure,.
Karst area diversion tunnel provided by the invention is crushed rich water section grouting treatment method, first in the broken rich water
Duan Jinhang geological prospecting determines the main diameter flow path 1 of crevice water and/or underground water according to the result of exploration, to subsequent
Improvement step instructed；Then for the broken feature that rich water section water yield is big, hydraulic pressure is high, first it is drilled with drainage hole 2 and plays
It shunts and pressure release acts on, to reduce the water yield and hydraulic pressure in Underground Engineering Excavation face；It is drilled with injected hole 3 again and carries out grouting treatment,
Injection slurry is injected into the country rock by Grouting Pipe, it is intended to by crevice water barrier outside curtain circle, while improve the anti-of country rock
Compressive Strength blocks the water-bearing structure in country rock by 2 slip casting of drainage hole, solves tunnel from source and is crushed gushing for hydrous fluids
Water problems reaches better grouting treatment effect, and can guarantee engineering safety and reduce groundwater resources pollution.
The optional embodiment of the embodiment of the present invention is described in detail in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously
The detail being not limited in above embodiment can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical solution for applying example carries out a variety of simple variants, these simple variants belong to the protection scope of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the embodiment of the present invention pair
No further explanation will be given for various combinations of possible ways.
In addition, any combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is violated, equally should be considered as disclosure of that of the embodiment of the present invention.
Claims (10)
1. a kind of karst area diversion tunnel is crushed rich water section grouting treatment method, which is characterized in that the administering method includes
Following steps:
S1 geological prospecting) is carried out to the rock crusher rich water section that water burst occurs, to determine the main diameter of crevice water and/or underground water
Flow path (1)；
S2) as the tunnel wall of the rock crusher rich water section towards crevice water described in country rock and/or the runoff of the underground water
Direction is drilled with drainage hole (2), to carry out drainage sluicing to the crevice water and/or the underground water；
S3 injected hole (3)) are drilled with along the tunnel wall radial direction of the rock crusher rich water section and circumferentially spaced-apart preset distance, and in institute
It states in injected hole (3) and is inserted into Grouting Pipe respectively；
S4 injection slurry) is injected into the country rock by the drainage hole (2) and the Grouting Pipe, so that in the tunnel wall
It is circumferential in country rock to form water-stop curtain (9).
2. grouting treatment method according to claim 1, which is characterized in that in step S1), the geological prospecting is sharp
One or more of hair polarization detection, transient electromagnetic detecting and geologic radar detection.
3. grouting treatment method according to claim 2, which is characterized in that the geological prospecting is induced polarization exploration,
The step S1) include:
Two detection lines (5) of backplane are parallel on face to be excavated (4)；
At least four detection lines (5) of backplane are parallel on tunneling side wall (6)；
By array induced polarization exploration, the main diameter flow path (1) of the crevice water and/or the underground water is obtained.
4. grouting treatment method according to claim 2, which is characterized in that the geological prospecting is transient electromagnetic detecting,
The step S1) include:
Emit wire frame (7) with the pre-position setting on tunneling side wall (6) on face to be excavated (4) and receive
It pops one's head in (8)；
Two detection lines (5) of backplane are parallel on the face (4) to be excavated, in the tunneling side wall
(6) one detection line (5) of the backplane is parallel on；
Electromagnetic signal is received by transmitting wire frame (7) transmission of electromagnetic signals, and by the receiving transducer (8) to be detected
Data acquisition, and then obtain the main diameter flow path (1) of the crevice water and/or the underground water.
5. grouting treatment method according to claim 2, which is characterized in that the geological prospecting is geologic radar detection,
The step S1) include:
Two detection lines (5) of backplane are parallel on (6) on tunneling side wall；
By the way that geological radar antenna close to the country rock and is moved the geological radar antenna progress Data Gathering, in turn
Obtain the main diameter flow path (1) of the crevice water and/or the underground water.
6. grouting treatment method according to claim 1, which is characterized in that rich by the rock crusher in step S2)
The runoff direction of the tunnel wall of water section towards crevice water described in country rock and/or the underground water is drilled with drainage hole (2), comprising:
Drainage hole (2) is drilled with inside to the water body of crevice water described in the country rock and/or to the main runoff of the underground water
The upstream in channel is drilled with drainage hole (2).
7. grouting treatment method according to claim 1, which is characterized in that in step S3), injected hole (3) cloth
It sets between the drainage hole (2).
8. grouting treatment method according to claim 1, which is characterized in that in step S3), in the injected hole (3)
It is middle to be inserted into after Grouting Pipe respectively, it is closed around the Grouting Pipe nozzle using mortar.
9. grouting treatment method according to claim 1, which is characterized in that in step S4), the injection slurry uses water
The double slurries of muddy water glass.
10. grouting treatment method according to claim 9, which is characterized in that the ratio of mud of cement slurry in double slurries
For 1:1, cement slurry and waterglass volume ratio are 1:1.
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| CN110344855A (en) * | 2019-06-27 | 2019-10-18 | 中国电建集团西北勘测设计研究院有限公司 | The supporting construction of diversion tunnel under a kind of large ground pressure |
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| CN113175336A (en) * | 2021-06-15 | 2021-07-27 | 中交二公局萌兴工程有限公司 | Drainage construction method for tunnel fault fracture zone |
| CN113622995A (en) * | 2021-08-23 | 2021-11-09 | 西安理工大学 | Expansion-preventing method for expansive loess plateau through expansive loess tunnel |
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| CN117266930A (en) * | 2023-11-17 | 2023-12-22 | 山西省水利建筑工程局集团有限公司 | Water conservancy tunnel construction water shutoff device that gushes |
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