CN104481450A - Sealing method for hydrological hole - Google Patents
Sealing method for hydrological hole Download PDFInfo
- Publication number
- CN104481450A CN104481450A CN201410643785.4A CN201410643785A CN104481450A CN 104481450 A CN104481450 A CN 104481450A CN 201410643785 A CN201410643785 A CN 201410643785A CN 104481450 A CN104481450 A CN 104481450A
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- CN
- China
- Prior art keywords
- hydrology
- grouting pipe
- pipe
- hole
- sealing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The invention discloses a sealing method for a hydrological hole. The method comprises the steps of (a) manufacturing a grouting pipeline; (b) fixing a water stop belt at the lower end of a hydrological pipe; (c) fixing the grouting pipe relative to the hydrological hole, and enabling the bottom end of the grouting pipeline to be above the water stop belt; (d) feeding the grouting pipeline and the hydrological hole into the hydrological hole together; (e) flushing the grouting pipeline; (f) grouting to seal the hole. With the adoption of the method, water running channels at different layers above the water stop belt in the hydrological hole can be stopped, and thus the accident of water displacing in water-containing layers at different layers can be prevented.
Description
Technical field
The present invention relates to a kind of frozen construction technical field, the hydrology hole method for sealing particularly in frozen construction.
Background technology
Along with the development of coal industry, the exploitation of coal resources transfers to western part gradually, and western special geological conditions has special requirement to various construction technology.In western pit shaft freezing work progress in recent years, there is a large amount of pit shaft to there occurs different layers position underground water and cause frost wall can not hand over circle by hydrology hole string water on time, and then the water outlet accident of work plane when causing tunneling construction.Process this type of accident to need to extend freeze-off time, also will carry out work plane pore-creating slip casting if desired, not only delay the duration, and cause serious economic loss.
Summary of the invention
In view of this, the invention reside in provides that a kind of construction cost is low, efficiency is high, can effectively to prevent above the hydrology water shutoff of hole band different water cut layer by the hydrology hole method for sealing of the generation of hydrology hole string water phenomenon in frozen construction process.
The present invention is achieved through the following technical solutions: hydrology hole method for sealing, comprises the steps:
A () makes grouting pipe;
B () fixes waterstop in hydrology pipe lower end;
C () is relative fixing with described hydrology pipe by described grouting pipe, and the bottom of described grouting pipe is positioned at the top of described waterstop;
D described grouting pipe is transferred in hydrology hole by () together with described hydrology pipe;
E () rinses grouting pipe;
(f) injection hole sealing.
Above-mentioned hydrology hole method for sealing, in step (a): the upper end of described grouting pipe is the Grouting Pipe with homogeneous wall, the lower end of described grouting pipe is Grouting Pipe floral tube tube wall offering slurry outlet.
Above-mentioned hydrology hole method for sealing, in step (a): described grouting pipe selects seamless steel pipe, adopts welding to be formed by connecting; It is long as described Grouting Pipe floral tube that 100cm is reserved in described grouting pipe lower end, it is the slurry outlet of 10mm that tube wall along described Grouting Pipe floral tube drills through a pair aperture every 5cm up and down, on the same cross section that the hole of often pair of described slurry outlet is centrally located at described Grouting Pipe floral tube and about the Central Symmetry of this cross section; Neighbouring described slurry outlet with the axis of described Grouting Pipe floral tube for rotating shaft is staggered 45 degree; On the sustained height of the bottom tube wall of described Grouting Pipe floral tube, back and forth or left and right symmetry has two 8 × 20mm rectangular opening as main grout outlet; The bottom mouth of pipe base cone of described Grouting Pipe floral tube is shut.
Above-mentioned hydrology hole method for sealing, in step (b): described waterstop is dry sea-tangle, is wrapped in described dry sea-tangle on described hydrology pipe, and described dry sea-tangle and described hydrology pipe is fixed up.
Above-mentioned hydrology hole method for sealing, in step (c): with welding by relative fixing with described hydrology pipe for described Grouting Pipe floral tube lower end, and described Grouting Pipe floral tube bottom is positioned at the 100cm place, top of described waterstop.
Above-mentioned hydrology hole method for sealing, in step (d): along with described hydrology pipe is transferred gradually together with described grouting pipe, described grouting pipe and described hydrology pipe are carried out reinforcement of weld with electric welding to described hydrology pipe and described grouting pipe every 2 meters from bottom to top.
Above-mentioned hydrology hole method for sealing, in step (e): after the hole flushing of hydrology hole completes, setting-out in described grouting pipe is to clean described grouting pipe.
Above-mentioned hydrology hole method for sealing, in step (f): after treating the adjacent annular space that described waterstop blocks between the described hydrology pipe at its place and described hydrology hole, by described Grouting Pipe upper end slip casting, realizes described hydrology hole sealing of hole.
Above-mentioned hydrology hole method for sealing, in step (f): soak 1-2 days in the water of described dry sea-tangle in described hydrology hole, described dry sea-tangle imbibition blocks the adjacent annular space between the described hydrology pipe of described dry sea-tangle winding and described hydrology hole, makes the slurries in the annular space of slip casting upper back can not enter in lower annular space; And then by described Grouting Pipe upper end slip casting, slurries flow out from the described slurry outlet described Grouting Pipe floral tube tube wall and described main grout outlet, and enter in the upper, annular space between the described hydrology pipe on described dry sea-tangle top and described hydrology hole; Described cement paste water/binder ratio is 1:0.6, label P.O 42.5; Just hydrology hole sealing of hole is achieved after cement slurry sets.
The invention has the beneficial effects as follows: the present invention transfers Grouting Pipe while transferring hydrology pipe, after waterstop intensity meets design requirement (after namely waterstop blocks the adjacent annular space between the described hydrology pipe at its place and described hydrology hole), by preset grouting pipe, injection hole sealing is carried out to hydrology hole, can effectively prevent aquifer, different layers position above hydrology water shutoff of hole band from, by hydrology hole string water, reducing the potential safety hazard of tunneling construction, avoiding huge economic loss.Especially in western frozen construction, above hydrology water shutoff of hole band, aquifer, different layers position causes frost wall to open " window " by hydrology hole string water, and then cause the water outlet accident of driving face, the present invention transfers preset grouting pipe by following hydrology pipe, injection hole sealing process is carried out to hydrology hole, block the water stream channel of different water cut layer position, thus effectively can avoid the work plane water outlet accident that occurs because of hydrology hole string water.
Accompanying drawing explanation
Fig. 1 is in the method for sealing of hydrology hole of the present invention, and hydrology hole is by preset grouting pipe method sealing of hole schematic diagram.
In figure: 1-hydrology hole, 2-hydrology pipe, 31-upper, annular space, 32-lower annular space, 4-waterstop, 5-Grouting Pipe floral tube, 6-Grouting Pipe, 7-slurry outlet, the main grout outlet of 8-, 9-base cone.
Detailed description of the invention
For clearly demonstrating the scheme in the present invention, providing preferred embodiment below and being described with reference to the accompanying drawings.
As shown in Figure 1, hydrology hole of the present invention method for sealing comprises the steps:
A () makes grouting pipe;
The upper end of described grouting pipe is the Grouting Pipe 6 with homogeneous wall, and the lower end of described grouting pipe is the Grouting Pipe floral tube 5 tube wall offering slurry outlet 7.
Described grouting pipe selects DN40 seamless steel pipe, adopts welding to be formed by connecting; It is long as described Grouting Pipe floral tube 5 that 100cm is reserved in described grouting pipe lower end, tube wall along described Grouting Pipe floral tube 5 drills through every 5cm the slurry outlet 7 that a pair aperture is 10mm up and down, on the same cross section that the hole of often pair of described slurry outlet 7 is centrally located at described Grouting Pipe floral tube 5 and about the Central Symmetry of this cross section; Neighbouring described slurry outlet 7 with the axis of described Grouting Pipe floral tube 5 for rotating shaft is staggered 45 degree; On the sustained height of the bottom tube wall of described Grouting Pipe floral tube 5, back and forth or left and right symmetry has two 8 × 20mm rectangular opening as main grout outlet 8; The above-mentioned set-up mode of described slurry outlet 7 and described main grout outlet 8 is conducive to slurries and flows rapidly in annular space, and can not block.The bottom mouth of pipe base cone 9 of described Grouting Pipe floral tube 5 is shut, to prevent soil plug pipeline in grouting pipe decentralization process.
B () fixes waterstop 4 in hydrology pipe 2 lower end;
Waterstop 4 described in the present embodiment selects dry sea-tangle (to compare other water-swellable material, cheap, convenience of drawing materials, plugging effect is good), described dry sea-tangle is wrapped on described hydrology pipe 2, and described dry sea-tangle and described hydrology pipe 2 are fixed up.
C () is relative fixing with described hydrology pipe 2 by described grouting pipe, and the bottom of described grouting pipe is positioned at the top of described waterstop 4;
With welding by relative fixing with described hydrology pipe 2 for described Grouting Pipe floral tube 5 lower end, and described Grouting Pipe floral tube 5 bottom is positioned at the 100cm place, top of described waterstop 4
D described grouting pipe is transferred in hydrology hole 1 by () together with described hydrology pipe 2;
Along with described hydrology pipe 2 is transferred gradually together with described grouting pipe, described grouting pipe and described hydrology pipe 2 are carried out reinforcement of weld to described hydrology pipe 2 with described grouting pipe with electric welding every 2 meters from bottom to top
E () rinses grouting pipe;
After hydrology hole 1 hole flushing completes, setting-out in described grouting pipe is to clean described grouting pipe, in order to avoid the mud sediment in grouting pipe blocks described Grouting Pipe floral tube 5, causes the later stage cannot slip casting.
(f) injection hole sealing;
After treating the adjacent annular space that described waterstop 4 blocks between the described hydrology pipe 2 at its place and described hydrology hole 1, by described Grouting Pipe 6 upper end slip casting, realize described hydrology hole 1 sealing of hole above described waterstop 4, can effectively avoid different layers position above the described waterstop 4 in described hydrology hole 1 by the generation of hydrology hole string water accident.
1-2 days is soaked in the water of described dry sea-tangle in described hydrology hole 1, described dry sea-tangle imbibition blocks the adjacent annular space between the described hydrology pipe 2 of described dry sea-tangle winding and described hydrology hole 1, makes the slurries in slip casting upper back annular space 31 can not enter in lower annular space 32; And then by described Grouting Pipe 6 upper end slip casting, slurries flow out from the described slurry outlet 7 described Grouting Pipe floral tube 5 tube wall and described main grout outlet 8, and enter in the upper, annular space 31 between the described hydrology pipe 2 on described dry sea-tangle top and described hydrology hole 1; Described cement paste water/binder ratio is 1:0.6, label P.O 42.5; Just hydrology hole 1 sealing of hole is achieved after cement slurry sets.
The present embodiment can block the current service channel of different layers position above the described waterstop 4 in described hydrology hole 1 effectively, effectively prevents the driving face water outlet accident occurred because of hydrology hole string water.
Above-described embodiment is only for the invention example is clearly described, and the restriction not to the invention detailed description of the invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All within the spirit and principles in the present invention any apparent change of extending out or variation be still among the protection domain of the invention claim.
Claims (9)
1. hydrology hole method for sealing, is characterized in that, comprises the steps:
A () makes grouting pipe;
B () fixes waterstop (4) in hydrology pipe (2) lower end;
C () is relative fixing with described hydrology pipe (2) by described grouting pipe, and the bottom of described grouting pipe is positioned at the top of described waterstop (4);
D described grouting pipe is transferred in hydrology hole (1) by () together with described hydrology pipe (2);
E () rinses grouting pipe;
(f) injection hole sealing.
2. hydrology hole according to claim 1 method for sealing, it is characterized in that, in step (a): the upper end of described grouting pipe is the Grouting Pipe (6) with homogeneous wall, the lower end of described grouting pipe is the Grouting Pipe floral tube (5) tube wall offering slurry outlet (7).
3. hydrology hole according to claim 2 method for sealing, is characterized in that, in step (a): described grouting pipe selects seamless steel pipe, adopts welding to be formed by connecting; It is long as described Grouting Pipe floral tube (5) that 100cm is reserved in described grouting pipe lower end, tube wall along described Grouting Pipe floral tube (5) drills through every 5cm the slurry outlet (7) that a pair aperture is 10mm up and down, on the same cross section that the hole of often pair of described slurry outlet (7) is centrally located at described Grouting Pipe floral tube (5) and about the Central Symmetry of this cross section; Neighbouring described slurry outlet (7) is that rotating shaft is staggered 45 degree with the axis of described Grouting Pipe floral tube (5); On the sustained height of the bottom tube wall of described Grouting Pipe floral tube (5), back and forth or left and right symmetry has two 8 × 20mm rectangular opening as main grout outlet (8); Bottom mouth of pipe base cone (9) of described Grouting Pipe floral tube (5) is shut.
4. hydrology hole according to claim 3 method for sealing, it is characterized in that, in step (b): described waterstop (4) is dry sea-tangle, described dry sea-tangle is wrapped on described hydrology pipe (2), and described dry sea-tangle and described hydrology pipe (2) are fixed up.
5. hydrology hole according to claim 4 method for sealing, it is characterized in that, in step (c): with welding by relative fixing with described hydrology pipe (2) for described Grouting Pipe floral tube (5) lower end, and described Grouting Pipe floral tube (5) bottom is positioned at the 100cm place, top of described waterstop (4).
6. hydrology hole according to claim 5 method for sealing, it is characterized in that, in step (d): along with described hydrology pipe (2) and described grouting pipe are transferred together gradually, described grouting pipe and described hydrology pipe (2) are carried out reinforcement of weld with electric welding to described hydrology pipe (2) and described grouting pipe every 2 meters from bottom to top.
7. hydrology hole according to claim 6 method for sealing, it is characterized in that, in step (e): after hydrology hole (1) hole flushing completes, setting-out in described grouting pipe is to clean described grouting pipe.
8. hydrology hole according to claim 7 method for sealing, it is characterized in that, in step (f): after treating the adjacent annular space that described waterstop (4) blocks between the described hydrology pipe (2) at its place and described hydrology hole (1), by described Grouting Pipe (6) upper end slip casting, realize described hydrology hole (1) sealing of hole.
9. hydrology hole according to claim 8 method for sealing, it is characterized in that, in step (f): soak 1-2 days in the water of described dry sea-tangle in described hydrology hole (1), described dry sea-tangle imbibition blocks the adjacent annular space between the described hydrology pipe (2) of described dry sea-tangle winding and described hydrology hole (1), makes the slurries in slip casting upper back annular space (31) can not enter in lower annular space (32); And then by described Grouting Pipe (6) upper end slip casting, slurries flow out from the described slurry outlet (7) described Grouting Pipe floral tube (5) tube wall and described main grout outlet (8), and enter in the upper, annular space (31) between the described hydrology pipe (2) on described dry sea-tangle top and described hydrology hole (1); Described cement paste water/binder ratio is 1:0.6, label P.O 42.5; Just hydrology hole (1) sealing of hole is achieved after cement slurry sets.
Priority Applications (1)
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CN201410643785.4A CN104481450A (en) | 2014-11-07 | 2014-11-07 | Sealing method for hydrological hole |
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CN201410643785.4A CN104481450A (en) | 2014-11-07 | 2014-11-07 | Sealing method for hydrological hole |
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Cited By (7)
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CN104863185A (en) * | 2015-04-17 | 2015-08-26 | 淄博齐都水利钻探有限公司 | Blocking and seepage-proofing technology of leaky well |
CN105134123A (en) * | 2015-08-21 | 2015-12-09 | 山东省水利科学研究院 | Differential water shut-off method by means of engineering expanding agent |
CN105155591A (en) * | 2015-08-21 | 2015-12-16 | 山东省水利科学研究院 | Underground water biological expansion differential water shut-off method |
CN105156113A (en) * | 2015-08-26 | 2015-12-16 | 北京中煤矿山工程有限公司 | Process for filling, grouting and constructing annular spaces at rears of walls of gas vertical shafts |
CN106643967A (en) * | 2017-02-21 | 2017-05-10 | 广西蓝天科技股份有限公司 | Protecting hole for monitoring underground water level, hole sealing device and combination method thereof |
CN107013236A (en) * | 2017-05-10 | 2017-08-04 | 贵阳市城市轨道交通有限公司 | The vertical karst plugging device in space and method for blocking |
CN111103027A (en) * | 2019-12-24 | 2020-05-05 | 北京中煤矿山工程有限公司 | Water level observation tube capable of realizing layered reporting of freezing wall intersection condition |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104863185A (en) * | 2015-04-17 | 2015-08-26 | 淄博齐都水利钻探有限公司 | Blocking and seepage-proofing technology of leaky well |
CN105134123A (en) * | 2015-08-21 | 2015-12-09 | 山东省水利科学研究院 | Differential water shut-off method by means of engineering expanding agent |
CN105155591A (en) * | 2015-08-21 | 2015-12-16 | 山东省水利科学研究院 | Underground water biological expansion differential water shut-off method |
CN105155591B (en) * | 2015-08-21 | 2017-03-08 | 山东省水利科学研究院 | Underground aquatic organism expands layering water-stopping method |
CN105156113A (en) * | 2015-08-26 | 2015-12-16 | 北京中煤矿山工程有限公司 | Process for filling, grouting and constructing annular spaces at rears of walls of gas vertical shafts |
CN105156113B (en) * | 2015-08-26 | 2018-06-19 | 北京中煤矿山工程有限公司 | Annular pack grouting construction process after gas vertical wall |
CN106643967A (en) * | 2017-02-21 | 2017-05-10 | 广西蓝天科技股份有限公司 | Protecting hole for monitoring underground water level, hole sealing device and combination method thereof |
CN107013236A (en) * | 2017-05-10 | 2017-08-04 | 贵阳市城市轨道交通有限公司 | The vertical karst plugging device in space and method for blocking |
CN107013236B (en) * | 2017-05-10 | 2019-05-21 | 贵阳市城市轨道交通有限公司 | The vertical karst plugging device in space and method for blocking |
CN111103027A (en) * | 2019-12-24 | 2020-05-05 | 北京中煤矿山工程有限公司 | Water level observation tube capable of realizing layered reporting of freezing wall intersection condition |
CN111103027B (en) * | 2019-12-24 | 2022-05-27 | 北京中煤矿山工程有限公司 | Water level observation tube capable of realizing layered reporting of freezing wall intersection condition |
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