CN110206561A - Disease in Tunnel Base point processing method - Google Patents
Disease in Tunnel Base point processing method Download PDFInfo
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- CN110206561A CN110206561A CN201910461156.2A CN201910461156A CN110206561A CN 110206561 A CN110206561 A CN 110206561A CN 201910461156 A CN201910461156 A CN 201910461156A CN 110206561 A CN110206561 A CN 110206561A
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- disease
- injected hole
- point
- stratum
- tunnel base
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- 201000010099 disease Diseases 0.000 title claims abstract description 93
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title claims abstract description 93
- 238000003672 processing method Methods 0.000 title claims abstract description 21
- 239000002002 slurry Substances 0.000 claims abstract description 51
- 239000010865 sewage Substances 0.000 claims description 24
- 239000012528 membrane Substances 0.000 claims description 13
- 239000003351 stiffener Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 6
- 239000011440 grout Substances 0.000 claims description 5
- 238000007569 slipcasting Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 11
- 230000000630 rising effect Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000004567 concrete Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- 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)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention relates to a kind of Disease in Tunnel Base point processing methods comprising following steps: determining the disease point position of Tunnel Base；Injected hole is drilled to the stratum of the disease point, is connected to the injected hole with the area of coming to nothing below the stratum of the disease point；Slurries are filled into the area of coming to nothing below the stratum of the disease point by the injected hole using grouting equipment；When slurries are overflowed out of described injected hole, the grouting equipment is withdrawn, and closure processing is carried out to the aperture of the injected hole.Present treatment scheme can effectively fill the area of coming to nothing of disease point, while block to injected hole, realize and thoroughly eliminate problem of rising soil inside and outside, and its treatment process is simple, the construction equipment used is few, thus construction cost is low, good economy performance.
Description
Technical field
The present invention relates to Tunnel Base Strengthening Technology fields, more particularly to a kind of Disease in Tunnel Base point processing method.
Background technique
With being widely applied for railway construction in China, the various risks and disease met during construction are also cured
Add protrusion.Such as be filled in operation to Tunnel Base, can exist between the concrete and inverted arch of tunnel bottom and be engaged not
There is crack enough, this underground water for directly resulting in tunnel bottom is mingled with solidifying soil and constantly gushes out from crack, this, which is risen soil, asks
Topic can seriously delay tunnel normal construction progress, while endanger the personal safety of construction personnel.
There are some processing methods and preventing mean for administering problem of rising soil on the market in problem in view of this.But
Preventing mean can only play palliative effect, can not fundamentally solve the problems, such as to rise soil；And the place generallyd use
Reason method, then mostly treatment process is complicated, needs it is high to cause processing cost, and be difficult to protect using a large amount of all kinds of ancillary equipments
Good treatment effect is demonstrate,proved, the problem of rising soil secondary recurrence is caused.
Summary of the invention
Based on this, it is necessary to provide a kind of Disease in Tunnel Base point processing method, can be carried out to the area of coming to nothing of disease point
Effectively filling, while injected hole is blocked, it realizes and thoroughly eliminates problem of rising soil inside and outside, and the letter of its treatment process
It is single, it is at low cost.
Its technical solution is as follows:
A kind of Disease in Tunnel Base point processing method comprising following steps:
Determine the disease point position of Tunnel Base；
Injected hole is drilled to the stratum of the disease point, makes the injected hole and coming to nothing below the stratum of the disease point
Area's connection；
Slurries are filled into the area of coming to nothing below the stratum of the disease point by the injected hole using grouting equipment；
When slurries are overflowed out of described injected hole, the grouting equipment is withdrawn, and carry out to the aperture of the injected hole
Closure processing.
Using the above method reply Tunnel Base existing for rise soil problem when, it is necessary first to determine the disease of Tunnel Base
Evil point position, i.e. locking construction target area；Injected hole is drilled on the stratum of disease point later, makes the injected hole and disease point
Stratum below come to nothing area connection, with formed slip casting filling necessary condition；And then, using grouting equipment into injected hole
Slurries are injected, slurries is enable gradually to fill area of coming to nothing, the area that can so make to come to nothing tamps to form good Tunnel Base again
Structure, and can prevent internal underground water from continuing punching area of coming to nothing after grout cures and gush out；Later, to slurries from the injected hole
After inside starting spilling, grouting equipment is withdrawn, and closure processing is carried out to the aperture of injected hole, to prevent the water in external environment
Body invades in Tunnel Base.In conclusion present treatment scheme can effectively fill the area of coming to nothing of disease point, while to note
It starches hole to block, realizes and thoroughly eliminate problem of rising soil inside and outside, and its treatment process is simple, the construction equipment used
It is few, thus construction cost is low, good economy performance.
The technical solution of the application is further described below:
It further include step in one of the embodiments, before the step of stratum to the disease point drills injected hole
It is rapid: to remove the confining bed of the surface of stratum of the disease point.
Injected hole is drilled on the stratum to the disease point in one of the embodiments, and removes the disease point
After the confining bed of surface of stratum, further comprises the steps of: and excavate at least one sewage ditch in the surrounding formation of the disease point, and
It is connected to the sewage ditch with the injected hole.
At least one sewage ditch is excavated in the surrounding formation of the disease point in one of the embodiments, and makes institute
It states after sewage ditch is connected to the injected hole, further comprises the steps of: the obstacle removed in the sewage ditch.
In one of the embodiments, in the step of stratum to the disease point drills injected hole, further comprise the steps of:
Drainage hole is drilled on the stratum of the disease point simultaneously, makes the company, area of coming to nothing below the stratum of the drainage hole and the disease point
It is logical.
In one of the embodiments, using grouting equipment by the injected hole to below the stratum of the disease point
Area of coming to nothing in fill slurries after, further comprise the steps of: using smash vibration equipment will be in de- below the stratum of the disease point
Slurries in dead zone are compacted.
Vibration equipment is smash by coming to nothing in area below the stratum in the disease point in use in one of the embodiments,
Slurries it is compacted after, further comprise the steps of: to be inserted into stiffener into slurries before grout cures, make the stiffener
It is integrated with slurries condensation.
In one of the embodiments, when slurries are overflowed out of described injected hole, the grouting equipment is withdrawn, and right
The aperture of the injected hole carried out in the step of blocking processing, was specially coated using waterproof material in the aperture of the injected hole
At least one layer of waterproof membrane.
At least one layer of waterproof membrane is being coated in the aperture of the injected hole using waterproof material in one of the embodiments,
Later, it further comprises the steps of: and the waterproof membrane after molding is cut, the area of the waterproof membrane is made to be greater than the injected hole
Orifice area.
The aperture of the injected hole is 50mm~75mm in one of the embodiments,；The centerline hole of the injected hole
Angle with horizontal plane where the Tunnel Base is 15 °~30 °；Edge of the sewage ditch based on the Tunnel Base is inside
The oblique 30 ° of moldings of lateral deviation.
Detailed description of the invention
Fig. 1 is the process flow chart of Disease in Tunnel Base point processing method described in one embodiment of the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with attached drawing and specific embodiment party
Formula, the present invention is further described in detail.It should be understood that the specific embodiments described herein are only to solve
The present invention is released, and the scope of protection of the present invention is not limited.
It should be noted that when element is referred to as " being fixedly arranged on ", " being set to " or " install in " another element, it can be with
Directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements；One element and another element
The concrete mode being fixedly connected can be achieved by the prior art, and details are not described herein, it is preferred to use the fixation side of threaded connection
Formula.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Currently, for the traffic tunnel that supply train, the mobile devices such as automobile use, usually to excavate in underground deep layer or
Structures inside massif.Tunnel Base is commonly used in construction molding road or is laid with track, to basement strata when due to construction
Inside the pressure or basement strata of application underground water wash away or basement strata inside soil layer or rock movement, be likely to
Soil layer or the discontinuous exclusion region of rock below stratum are caused, that is, forms area of coming to nothing.Underground water is acted on by stratum internal pressure, meeting
It is washed away by coming to nothing area to stratum, final entrainment silt breaks through Tunnel Base stratum and phenomenon of rising soil occurs, to constructing tunnel
Huge security risk is caused with normal use.Therefore, the application is precisely in order to the one kind for solving the problems, such as this and proposing is new turns over
Slurry emits the processing method of mud.
As shown in Figure 1, the process flow chart of the Disease in Tunnel Base point processing method shown for one embodiment of the application,
Include the following steps:
S100: the disease point position of Tunnel Base is determined.
Because in real work, for tunnel longer for length, disease point is usually only present in certain of Tunnel Base
At one or a few place positions, thus how the specific location of quick lock in disease point, will become quick, effective hidden perils head
Want condition.The method for determining disease point position can be construction personnel and hold health check tool walks in tunnel internal, when walking pair
Suspicious region is tapped or is observed detection, when there is the sign risen soil, then can determine that the region is disease point.Or
Person, shoots Tunnel Base stratum using Image-forming instrument, determines the point of the disease in image by analysis chart image quality looks, finally
The disease point position in actual tunnel substrate is obtained by measuring and calculating.
S200: drilling injected hole to the stratum of the disease point, below the stratum for making the injected hole and the disease point
Come to nothing area connection.
Specifically, air drill machine or rotary drilling rig can be used and drill operation to what the stratum of disease point carried out injected hole.Work as brill
Head, which protrudes into, comes to nothing area when by lesser axial force, then shows that injected hole has been penetrated through with area of coming to nothing, fill to form slip casting
It comes to nothing the necessary condition in area.
In an alternative embodiment, the aperture of the injected hole is 50mm~75mm；It can guarantee slurries injection effect at this time
Rate, while making the aperture of the injected hole caliber bigger than normal in Grouting Pipe enables and comes to nothing underground water in area and silt from slurries
Under stuffing pressure effect, quickly it is discharged from the fit clearance of Guan Yukong.Particularly, the centerline hole of the injected hole with it is described
The angle of horizontal plane is 15 °~30 ° where Tunnel Base.At this point, drill bit can carry out bore operation with lateral attitude, it can not be by
The excessive limitation of tunnel height；Underground water and the more easily discharge of silt mixture come to nothing in area simultaneously.
And in order to further increase treatment efficiency, the injected hole of two or more quantity can be drilled simultaneously, it specifically can basis
The execution conditions of there and then are set, and details are not described herein.
In addition, further comprising the steps of: before the step of stratum to the disease point drills injected hole and removing the disease
The confining bed of the surface of stratum of point.Therefore drilling difficulty can be reduced, mitigates the load and loss of drilling device, improve drilling effect
Rate.It should be understood that confining bed can be the concrete foundation of Tunnel Base, which usually has certain thickness, should
It is purged by demolition equipment, to reduce the formation thickness of disease point.Alternatively, confining bed is also possible to be deposited in surface of stratum
Sundries, such as miscellaneous stone, tool.
Further, in an embodiment, injected hole is drilled on the stratum to the disease point, and remove the disease point
After the confining bed of surface of stratum, further comprises the steps of: and excavate at least one sewage ditch in the surrounding formation of the disease point, and
It is connected to the sewage ditch with the injected hole.Therefore, the underground water and silt mixture being discharged from injected hole can be accumulated
Into sewage ditch, discharge tunnel is concentrated by sewage ditch, environment in tunnel is avoided pollution, reduces difficulty of removing contamination.Particularly, work as disease
When point appears in the central region or close central region of Tunnel Base, two or more blowdowns can be opened up around injected hole
The problem of ditch, the underground water being discharged out of injected hole with reply and silt mixture may flee toward any direction.
Further, at least one sewage ditch is excavated in the surrounding formation of the disease point, and makes the sewage ditch
After being connected to the injected hole, the obstacle removed in the sewage ditch is further comprised the steps of:.The obstacle is, for example, tiny
Stone, soil grumeleuse etc. are removed obstacle clean, it is ensured that the underground water and silt mixture of discharge flow in sewage ditch
It is smooth.
It should be noted that 30 ° of the deflection moldings inwardly of edge of the sewage ditch based on the Tunnel Base.So that row
Dirty ditch has bigger mobile potential energy after there is certain gradient, underground water and silt mixture to enter sewage ditch, thus more
It is easy to drain along the extending direction flowing of sewage ditch, avoids being blocked in sewage ditch.It of courses, in other embodiments, blowdown
The angle excursion of ditch can also be other numerical value, such as 25 ° or 35 °.
In addition, the depth in gutter is 5~10cm, to guarantee enough drainabilities.
In another embodiment, it in the step of stratum to the disease point drills injected hole, further comprises the steps of: simultaneously
Drainage hole is drilled on the stratum of the disease point, is connected to the drainage hole with the area of coming to nothing below the stratum of the disease point.
Only it is responsible in this way, being just capable of forming injected hole to area's injection slurries that come to nothing, not only injected hole is excessive without opening, but also underground water
It will not cause to impact with slurries opposite direction flowing with silt mixture, cause slurries injection unsmooth, cause noise and vibration.Draining
Hole then can sole duty in the discharge of underground water and silt mixture, the velocity of discharge is fast, forms marginal not slurry, side blowdown with injected hole
Coordinated can effectively promote the regulation efficiency of disease point.Particularly, for make to come to nothing underground water and silt mixing in area
Object is more quickly discharged, and can drill the drainage hole of two or more quantity simultaneously.
S300: slurry is filled into the area of coming to nothing below the stratum of the disease point by the injected hole using grouting equipment
Liquid.
All kinds of grouting equipments in the prior art can be selected in grouting equipment, as long as slurries can reliably be injected to disease point
Coming to nothing in area below stratum.According to area of coming to nothing deeply and volume size, the injection pressure of slurries is chosen as 3~
8MPa, injection speed are 18L/min~30L/min.The slurries of injection can be concrete slurry, silt slurries or composite material
Slurries.In the present embodiment, slurries are concrete slurry.
Slurries are being filled into the area of coming to nothing below the stratum of the disease point by the injected hole using grouting equipment
Later, it further comprises the steps of: using vibration equipment is smash that the slurries to come to nothing in area below the stratum in the disease point are compacted.It adopts
It is vibrated, can further be floated the agitation of air, underground water and silt to the slurries in area that come to nothing are injected with vibration equipment is smash, from
And be more completely discharged out of come to nothing area, guarantee the purity and quality of concrete slurry, the concrete block after making condensation has
Higher structural strength, and then promote the support stability to Tunnel Base.Optionally, smash vibration equipment can be agitating auger,
Vibrator etc., for making in the concrete slurry flowing come to nothing in area and seething.
Vibration equipment is smash by coming to nothing in area below the stratum in the disease point in use in one of the embodiments,
Slurries it is compacted after, further comprise the steps of: to be inserted into stiffener into slurries before grout cures, make the stiffener
It is integrated with slurries condensation.By being inserted into stiffener into concrete slurry, after concrete setting, can further improve
The structural strength of concrete block, and then promote the support performance to Tunnel Base.
It should be noted that the type and structural style of stiffener are not construed as limiting, such as it can be single steel bar or more
The connected body of root reinforcing bar.The diameter of stiffener is 32~40mm, is preferably 36mm.To guarantee that stiffener can be complete
It is immersed in concrete slurry, length need to be 5~10mm shorter than the hole depth of injected hole.
S400: when slurries are overflowed out of described injected hole, the grouting equipment is withdrawn, and to the aperture of the injected hole
Carry out closure processing.
Closure processing is carried out to the aperture of injected hole, can prevent the water body ecto-entad outside the stratum of disease point from invading
Inside stratum.Specifically, in an embodiment, when slurries are overflowed out of described injected hole, the grouting equipment is withdrawn, and right
The aperture of the injected hole carried out in the step of blocking processing, was specially coated using waterproof material in the aperture of the injected hole
At least one layer of waterproof membrane.The operation mode is easy to operate, easy to implement, and the waterproof membrane formed is tightly combined with surface of stratum,
Thus there is excellent sealing performance.
Optionally, used waterproof material is polyurethane water-proof paint.It of courses, it in other embodiments, can also be with
Using other types of waterproof material, such as water-proof acrylic acid paint in the prior art.
Further, it after coating at least one layer of waterproof membrane in the aperture of the injected hole using waterproof material, also wraps
It includes step: the waterproof membrane after molding is cut, the area of the waterproof membrane is made to be greater than the aperture face of the injected hole
Product.It can so be further ensured that sealing performance, outside body of water is avoided to penetrate into inside stratum from gap.
To sum up, when problem of rising soil existing for the processing method reply Tunnel Base using the application, it is necessary first to really
Determine the disease point position of Tunnel Base, i.e. locking construction target area；Injected hole is drilled on the stratum of disease point later, makes this
Injected hole is connected to the area of coming to nothing below the stratum of disease point, to form the necessary condition of slip casting filling；And then, using slip casting
Equipment injects slurries into injected hole, and slurries is enable gradually to fill area of coming to nothing, and the area that can so make to come to nothing tamps to be formed again
Good Tunnel Base structure, and can prevent internal underground water from continuing punching area of coming to nothing after grout cures and gush out；Later, wait starch
Liquid after spilling, withdraws grouting equipment, and carry out closure processing to the aperture of injected hole, to prevent since in the injected hole
In water body intrusion Tunnel Base in external environment.In conclusion present treatment scheme can have the area of coming to nothing of disease point
Effect filling, while injected hole is blocked, it realizes and thoroughly eliminates problem of rising soil inside and outside, and its treatment process is simple,
The construction equipment used is few, thus construction cost is low, good economy performance.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of Disease in Tunnel Base point processing method, which comprises the steps of:
Determine the disease point position of Tunnel Base；
Injected hole is drilled to the stratum of the disease point, makes the company, area of coming to nothing below the stratum of the injected hole and the disease point
It is logical；
Slurries are filled into the area of coming to nothing below the stratum of the disease point by the injected hole using grouting equipment；
When slurries are overflowed out of described injected hole, the grouting equipment is withdrawn, and block to the aperture of the injected hole
Processing.
2. Disease in Tunnel Base point processing method according to claim 1, which is characterized in that on the ground to the disease point
Before the step of layer drills injected hole, the confining bed for removing the surface of stratum of the disease point is further comprised the steps of:.
3. Disease in Tunnel Base point processing method according to claim 2, which is characterized in that on the ground to the disease point
Layer drills injected hole, and after removing the confining bed of surface of stratum of the disease point, further comprises the steps of: in the disease point
At least one sewage ditch is excavated in surrounding formation, and is connected to the sewage ditch with the injected hole.
4. Disease in Tunnel Base point processing method according to claim 3, which is characterized in that around the disease point
At least one sewage ditch is excavated on stratum, and after being connected to the sewage ditch with the injected hole, further comprise the steps of: and remove institute
State the obstacle in sewage ditch.
5. Disease in Tunnel Base point processing method according to claim 1, which is characterized in that on the ground to the disease point
In the step of layer drills injected hole, further comprises the steps of: while drilling drainage hole on the stratum of the disease point, make the drainage hole
It is connected to the area of coming to nothing below the stratum of the disease point.
6. Disease in Tunnel Base point processing method according to claim 1, which is characterized in that pass through using grouting equipment
After the injected hole fills slurries into the area of coming to nothing below the stratum of the disease point, further comprises the steps of: and set using smashing vibration
It is standby that the slurries to come to nothing in area below the stratum in the disease point are compacted.
7. Disease in Tunnel Base point processing method according to claim 6, which is characterized in that smash vibration equipment for place using
After slurries to come to nothing in area below the stratum of the disease point are compacted, further comprise the steps of: to before grout cures, to slurry
It is inserted into stiffener in liquid, condenses the stiffener with slurries and is integrated.
8. Disease in Tunnel Base point processing method according to claim 1, which is characterized in that slurries from the slip casting
When overflowing in hole, the grouting equipment is withdrawn, and specially make in the step of blocking processing to the aperture of the injected hole
At least one layer of waterproof membrane is coated in the aperture of the injected hole with waterproof material.
9. Disease in Tunnel Base point processing method according to claim 8, which is characterized in that in use waterproof material in institute
After at least one layer of waterproof membrane of aperture coating for stating injected hole, further comprises the steps of: and the waterproof membrane after molding is cut,
The area of the waterproof membrane is set to be greater than the orifice area of the injected hole.
10. Disease in Tunnel Base point processing method according to claim 3, which is characterized in that the aperture of the injected hole
For 50mm~75mm；The angle of horizontal plane is 15 °~30 ° where the centerline hole of the injected hole and the Tunnel Base；Institute
State 30 ° of the deflection moldings inwardly of edge of the sewage ditch based on the Tunnel Base.
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| CN201910461156.2A CN110206561A (en) | 2019-05-30 | 2019-05-30 | Disease in Tunnel Base point processing method |
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| CN201910461156.2A CN110206561A (en) | 2019-05-30 | 2019-05-30 | Disease in Tunnel Base point processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878119A (en) * | 2020-07-08 | 2020-11-03 | 上海地铁维护保障有限公司工务分公司 | Subway tunnel ballast bed pipe piece wall post-grouting method |
| CN113090289A (en) * | 2021-03-22 | 2021-07-09 | 中国神华能源股份有限公司神朔铁路分公司 | Method and system for treating water leakage of tunnel construction joint |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1267035A1 (en) * | 2001-06-15 | 2002-12-18 | Valplast AG | Method for constructing underground waterproof tunnels with a concrete inner shell |
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| CN111878119B (en) * | 2020-07-08 | 2022-03-18 | 上海地铁维护保障有限公司工务分公司 | Subway tunnel ballast bed pipe piece wall post-grouting method |
| CN113090289A (en) * | 2021-03-22 | 2021-07-09 | 中国神华能源股份有限公司神朔铁路分公司 | Method and system for treating water leakage of tunnel construction joint |
| CN113090289B (en) * | 2021-03-22 | 2024-03-01 | 中国神华能源股份有限公司神朔铁路分公司 | Method and system for treating leakage water of tunnel construction joint |
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