CN105421475A - Air bag type curtain leakage blocking device and method - Google Patents
Air bag type curtain leakage blocking device and method Download PDFInfo
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- CN105421475A CN105421475A CN201510927300.9A CN201510927300A CN105421475A CN 105421475 A CN105421475 A CN 105421475A CN 201510927300 A CN201510927300 A CN 201510927300A CN 105421475 A CN105421475 A CN 105421475A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000000903 blocking effect Effects 0.000 title claims description 11
- 238000005553 drilling Methods 0.000 claims abstract description 101
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000004873 anchoring Methods 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000007569 slipcasting Methods 0.000 claims description 68
- 239000012530 fluid Substances 0.000 claims description 51
- 238000002347 injection Methods 0.000 claims description 48
- 239000007924 injection Substances 0.000 claims description 48
- 238000005266 casting Methods 0.000 claims description 44
- 108091006146 Channels Proteins 0.000 claims description 31
- 239000002002 slurry Substances 0.000 claims description 24
- 230000008676 import Effects 0.000 claims description 22
- 239000002689 soil Substances 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000008595 infiltration Effects 0.000 claims description 4
- 238000001764 infiltration Methods 0.000 claims description 4
- 102000010637 Aquaporins Human genes 0.000 claims description 2
- 108010063290 Aquaporins Proteins 0.000 claims description 2
- 239000004568 cement Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- 239000003673 groundwater Substances 0.000 description 4
- 235000019353 potassium silicate Nutrition 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004162 soil erosion Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- 239000008399 tap water Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an air bag type curtain leakage plugging device and method, and relates to the technical field of geotechnical engineering. The device comprises the following components which are connected in sequence: the drilling device comprises a drill bit, an anchoring drill rod, a grouting drill rod and a grouting head; the grouting drill rod sequentially penetrates through the mattress, the surface air bag and the sealing cover plate, one end of the grouting drill rod is exposed out of the sealing cover plate and is connected with the grouting head, and the other end of the grouting drill rod is connected with the anchoring drill rod. By adopting the device, the problems of the plugging device and the method in the prior art can be effectively solved, the leakage of the foundation pit water stopping facility can be timely, quickly and effectively plugged, and the safety problem of the surrounding environment caused by the leakage of underground water, quicksand and the like is avoided.
Description
Technical field
The present invention relates to Geotechnical Engineering field, particularly relate to a kind of gasbag-type curtain seepage device for plugging and method.
Background technology
Building foundation pit excavation and underground structure construction are often subject to underground water mitigation, for ensureing to carry out construction operation in dry environments, usually along foundation ditch periphery construction sealing facility, stirring pile body etc. as diaphragm wall, mutually overlap joint forms continuous print and closes curtain, permeates in foundation ditch to stop underground water.
Be subject to the impact of the factors such as formation condition, curtain form, overlapping mode, quality control on construction quality, after excavation of foundation pit, occur various breakthrough through curtain surface of being everlasting.Underground water to seepage flow in foundation ditch or injection by defects such as curtain internal fissure, holes, when situation is serious, is caused the outer a large amount of soil erosion of foundation ditch, brings potential safety hazard to foundation pit enclosure structure and periphery building.Therefore, foundation ditch stagnant water effect is the key factor affecting deep pit monitor.
At present, in base pit engineering, the seepy question of waterproof of man is a FAQs, and traditional " single fluid grouting " or " two fluid grouting " method of the many employings of pit curtain stoppage engineering solves leakage water problem.
But traditional slip casting method usually can run into following problems and cause slip casting effect poor:
1) a large amount of in Process of Leaking Stoppage water, sand very easily flow out, and cause the outer large-area hole of foundation ditch, have a strong impact on the safety on buildings around foundation pit and ground.If run into peripheral hydraulic pressure larger time, usually can shutoff failure.Process of Leaking Stoppage consumes the injecting paste materials such as a large amount of cement or water glass, also likely causes the problems such as environment pollution.
2) bi-slurry grouting method generally relies on two kinds of slurries mixing, forms the larger injecting cement paste of intensity after there is chemical reaction.In conventional method, two kinds of injecting paste materials are in the mixing of Grouting Pipe entrance, for avoiding injecting paste material premature solidification to block Grouting Pipe, usually can adjust proportioning, making the setting time of injection slurry longer, can cause shutoff not in time.
3) traditional slip casting method uses geological drilling rig pore-forming usually, and equipment is carried, packaging efficiency is lower, and cause shutoff not in time, some leak location rig especially cannot be in place, causes leak stopping difficulty.
4) extract drilling rod and drill bit after traditional slip casting method construction technology is generally rig pore-forming, then place Grouting Pipe slip casting, greatly can incur loss through delay the opportunity of slip casting.
Summary of the invention
The object of the present invention is to provide a kind of gasbag-type curtain seepage device for plugging and method, thus solve the foregoing problems existed in prior art.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of gasbag-type curtain seepage device for plugging, comprises and connecting successively: drill bit, anchoring drilling rod, slip casting drilling rod and casting head; Described slip casting drilling rod is successively through mattress, surperficial air bag and blank cover, and one end of described slip casting drilling rod is exposed described blank cover and is connected with described casting head, and the other end of described slip casting drilling rod is connected with described anchoring drilling rod;
Described casting head, described slip casting drilling rod and described anchoring drilling rod are provided with waterflood path, described casting head and described slip casting drilling rod are provided with the first reservoir channel and the second reservoir channel;
When described casting head, described slip casting drilling rod are connected with described anchoring drilling rod, described casting head, described slip casting drilling rod are all communicated with the described waterflood path on described anchoring drilling rod, described casting head is all communicated with described first reservoir channel on described slip casting drilling rod, and described casting head is all communicated with described second reservoir channel on described slip casting drilling rod;
Described casting head is also provided with water filling port, the first fluid injection import and the second fluid injection import, described slip casting drilling rod is also provided with the first fluid injection and the second fluid injection outlet of connection; Described water filling port is communicated with described waterflood path; Described first fluid injection import is by described first reservoir channel and described first fluid injection and the second fluid injection outlet; Described second fluid injection import is by described second reservoir channel and described first fluid injection and the second fluid injection outlet;
Described anchoring drilling rod is also provided with water stream channel, water filling cavity and inflatable water pocket, one end of described water stream channel is communicated with described waterflood path, and the other end of described water stream channel is communicated with described water filling cavity, and described water filling cavity is communicated with described inflatable water pocket.
Further, also comprise fastener, described fastener is set in the outside of described casting head, and described casting head stretches out described fastener, is connected with described slip casting drilling rod.
Preferably, described drill bit is augers.
Preferably, described mattress is circular or strip, and to hole type seepage, outer toroid area is not less than seepage open area; Fracture type seepage, determines according to a shutoff area.
Preferably, it is circular that described surperficial air bag adopts high-strength cloth to be made into, and compression resistance is more than or equal to 0.2Mpa, and central circular area is not less than the cross-sectional area of described slip casting drilling rod, and outer toroid area is more than or equal to and leaks out mouth of a river area.
A kind of curtain seepage blocking method, utilizes above-mentioned gasbag-type curtain seepage device for plugging, comprises the steps:
S1, after described drill bit, anchoring drilling rod being connected with slip casting drilling rod, squeezes into the soil body from leaking surface;
S2, the surface of the described soil body lays mattress, surperficial air bag and blank cover successively;
S3, after described casting head is connected described fastener, then is connected on described slip casting drilling rod;
S4, from described water filling port to water filling described inflatable water pocket;
S5, to described surperficial airbag aeration;
S6, injects the first slurries from described first fluid injection import, injects the second slurries from described second fluid injection import;
S7, after the described soil body is injected in described first slurries and described second slurries mixing, after final set, removes air bag, completes blocking construction.
Preferably, in S4, regulate water injection pressure, after water filling a period of time, stop water filling.
Preferably, S5 comprises the steps:
S501, is connected the valve of air compressor machine with described surperficial air bag, adjusts described air compressor machine pressure-control valve;
S502, starts air compressor machine to described surperficial airbag aeration, in gas replenishment process, observes the infiltration situation of described mattress outer rim, if ooze out without underground water, then stops inflation, otherwise, continue to be inflated to described surperficial air bag and expand.
Further, before S2, also comprise step: the external surface clearing up described sealing facility, make described sealing facility keep smooth.
The invention has the beneficial effects as follows: the gasbag-type curtain seepage device for plugging that the embodiment of the present invention provides and method, by using the equipment such as expansion anchoring drilling rod, two fluid grouting drilling rod and surface-sealing air bag, effectively can solve device for plugging and method produced problem in prior art, realize timely, the shutoff fast and effectively to foundation ditch sealing facility seepage, avoid the safety problem due to the initiation such as ground water seepage, quicksand surrounding enviroment.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of gasbag-type curtain seepage device for plugging;
Fig. 2 is the surface structure schematic diagram of gasbag-type curtain seepage device for plugging;
Fig. 3-Fig. 8 is 1-1,2-2,3-3,4-4,5-5,6-6 sectional view of Fig. 2 respectively;
Fig. 9 is the A-A longitudinal plan of casting head in Fig. 2;
Figure 10 is fastener B-B longitudinal plan in Fig. 2;
Figure 11 is the C-C longitudinal plan of slip casting drilling rod in Fig. 2;
Figure 12 is the D-D longitudinal plan of anchoring drilling rod in Fig. 2;
Figure 13 is augers E-E longitudinal plan in Fig. 2;
Figure 14 is the curtain seepage blocking method schematic flow sheet that the embodiment of the present invention provides.
In figure, the implication of each symbol is as follows:
1---water filling port; 2---the first fluid injection import; 3---the second fluid injection import; 4---screw thread; 5---screw thread; 6---spanner; 7---the body of rod; 8---the first fluid injection and the second fluid injection outlet; 9---screw thread; 10---screw thread; 11---cavity; 12---inflatable water pocket; 13---screw thread; 14---the body of rod; 15---blade; 16---the first reservoir channel; 17---the second reservoir channel; 18---the body of rod; 19---waterflood path; 20---the body of rod; 21---the body of rod; 22---the body of rod; 23---water stream channel; 24---water filling cavity; 25---the body of rod; 26---screw thread; 27---screw thread; 28---the body of rod; 29---screw thread; 30---sealing steel deck-plate; 31---surperficial air bag; 32---mattress; 33---water-stop curtain; 34---the soil body; 35---weepage holes; 36---casting head; 37---fastener; 38---slip casting drilling rod; 39---anchoring drilling rod; 40---drill bit.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.Should be appreciated that detailed description of the invention described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment one
As shown in figures 1-13, embodiments provide a kind of gasbag-type curtain seepage device for plugging, comprise and connecting successively: drill bit 40, anchoring drilling rod 39, slip casting drilling rod 38 and casting head 36; Slip casting drilling rod 38 is successively through mattress 32, surperficial air bag 31 and blank cover 30, and one end of slip casting drilling rod 38 is exposed blank cover 30 and is connected with casting head 36, and the other end of slip casting drilling rod 38 is connected with anchoring drilling rod 39;
Casting head 36, slip casting drilling rod 38 and anchoring drilling rod 39 are provided with waterflood path 19, casting head 36 and slip casting drilling rod 38 are provided with the first reservoir channel 16 and the second reservoir channel 17;
When casting head 36, slip casting drilling rod 38 are connected with anchoring drilling rod 39, casting head 36, slip casting drilling rod 38 are all communicated with the waterflood path 19 on anchoring drilling rod 39, casting head 36 is all communicated with described first reservoir channel 16 on slip casting drilling rod 38, and casting head 36 is all communicated with the second reservoir channel 17 on slip casting drilling rod 38;
Casting head 36 is also provided with water filling port 1, first fluid injection import 2 and the second fluid injection import 3, slip casting drilling rod 38 is also provided with the first fluid injection and the second fluid injection outlet 8; Water filling port 1 is communicated with waterflood path 19; First fluid injection import 3 exports 8 by the first reservoir channel 16 with the first fluid injection and the second fluid injection and is communicated with; Second fluid injection import 3 exports 8 by the second reservoir channel 17 with the first fluid injection and the second fluid injection and is communicated with;
Anchoring drilling rod 39 is also provided with water stream channel 23, water filling cavity 24 and inflatable water pocket 12, one end of water stream channel 23 is communicated with waterflood path 19, and the other end of water stream channel 23 is communicated with water filling cavity 24, and water filling cavity 24 is communicated with inflatable water pocket 12.
The gasbag-type curtain seepage device for plugging that the embodiment of the present invention provides, can also comprise fastener 37, fastener 37 is set in the outside of casting head 36, and casting head 36 stretches out fastener 37, is connected with slip casting drilling rod 38.Adopt said structure, can by sealing steel deck-plate by fastener and surperficial balloon contacts firmly, object is for surperficial air bag provides constraint, can not be ejected by surperficial air bag during slip casting because of buoyancy.
In a preferred embodiment of the invention, drill bit 40 can be augers.
Adopt the device for plugging of said structure, when implementing leak stopping, can adopt with the following method:
1, preparation of construction: as shown in Figure 1, understand the geological conditions of the soil body 34 near the structural shape of water-stop curtain 33, weepage holes 35, groundwater table buried depth and underground utilities distribution situation, understand water stopping curtain seepage situation, comprise curtain external crack and extend size and width, soil erosion situation outside delivery port shape and area, hole.
2, drilling rod is squeezed into
(1) before formally spudding in, as shown in Fig. 2 to Figure 13, first drill bit 40 is connected with screw thread 29 by screw thread 13 with anchoring drilling rod 39, then anchoring drilling rod 39 is connected with screw thread 9 by screw thread 10 with slip casting drilling rod 38, finally by screw thread 27, slip casting drilling rod 38 is connected with rig.Like this, augers 40, anchoring drilling rod 39 and slip casting drilling rod 38 are formed and overall creep into facility.
(4) next rig rotates and press-in, is acted on, augers 40, anchoring drilling rod 39 and slip casting drilling rod 38 are squeezed in soil by the soil of cutting of augers blade 15.
(5) connection of slip casting drilling rod 38 and rig is removed by screwing out screw thread 27.Remove rig, complete drilling process.
3, mattress 32 is laid and surperficial air bag 31 is installed
(1) as shown in Figure 1, mattress 32 lay before, water-stop curtain external surface should keep substantially smooth, high projection to should give removing, when surface finish is very poor, can adopt fast setting cement or leak stopping spirit roughly levelling.
(2) mattress 32 can be circular or strip, and to hole type seepage, outer toroid area is not less than seepage open area; Fracture type seepage, can determine according to a shutoff area.
(3) to adopt high-strength cloth to be made into circular for surperficial air bag 31, and compression resistance is not less than 0.2Mpa, and central circular area must not be less than drilling rod cross-sectional area, and outer toroid area is not less than and leaks out mouth of a river area.
(4), after surperficial air bag 31 is arranged, covered by blank cover 30 on surperficial air bag 31, the screw thread 27 of slip casting drilling rod 38 stretches out blank cover 30.
4, casting head and fastener are installed
Casting head 36 is connected by screw thread 4 and screw thread 26 with fastener 37, at this moment the screw thread 5 of casting head 36 stretches out fastener, then casting head 36 is connected by screw thread 5 and screw thread 27 with slip casting drilling rod 38, now, as shown in Figure 1, contact firmly by fastener 37 with surperficial air bag 31 by blank cover 30, object is for surperficial air bag 31 provides constraint, can not be ejected by surperficial air bag 31 during slip casting because of buoyancy.
5, water under high pressure is injected to inflatable water pocket
(1) by the water filling port 1 on casting head 38, small-sized hydraulic test pump is used to inject pure tap water to the inflatable water pocket 12 on anchoring drilling rod 39.Current, through waterflood path 19, water stream channel 23, finally fill water filling cavity 24.Thus inflatable water pocket 12 is expanded, reach the effect increasing anchored force, prevent drilling rod to be pulled out,
(2) should slowly pressure regulation during water filling, make inflatable water pocket 12 keep swelling state.
6, surperficial airbag aeration
(1) small-sized air compressor is connected with surperficial air bag 31 valve, adjustment air compressor machine pressure-control valve.
(2) start air compressor machine effects on surface air bag 31 to inflate.
(3) continue inflation, and observe mattress 32 outer rim infiltration situation, if inflation can be stopped when oozing out without underground water.Temporary plugging can be carried out to weepage holes 35 after surface air bag 31 expands, ensure that aperture not there are flowing out substantially, extraordinary slip casting effect can be reached like this.
7, slip casting
(1) two fluid grouting can select cement and water glass two kinds of slurries usually.Also other slurries can be selected as required.
(2) from the first fluid injection import 2, water glass slurries are injected, from the second fluid injection import 3, cement grout is injected, water glass slurries are by the first reservoir channel road 16, cement grout exports the mixing of 8 places by the second reservoir channel 17 in the first fluid injection of slip casting drilling rod and the second fluid injection, injects the soil body.
(3) grouting pressure ensures that slurries can be injected to principle smoothly, should not adopt high-pressure slip-casting.
(4) meet the following conditions for the moment, can slip casting be stopped: 1) grouting pressure > 1.5MPa; 2) slurries consumption reaches and estimates grouting amount.
8, surperficial air bag is removed
(1) after slurries final set, casting head 36 and fastener 37 are screwed off, remove blank cover 30, surperficial air bag 31 and mattress 32.
(2) the slip casting drilling rod 38 of exposure outside curtain, as impact construction, can excise with hand-held cutting machine after slurries final set, forbids to excise by the method for electric welding or oxygen welding.
Visible, adopt the gasbag-type curtain seepage device for plugging that the embodiment of the present invention provides, by using the equipment such as expansion anchoring drilling rod, two fluid grouting drilling rod and surface-sealing air bag, effectively can solve device for plugging and method produced problem in prior art, realize timely, the shutoff fast and effectively to foundation ditch sealing facility seepage, avoid the safety problem due to the initiation such as ground water seepage, quicksand surrounding enviroment.
In a preferred embodiment of the invention, mattress 32 is circular or strip, and to hole type seepage, outer toroid area is not less than seepage open area; Fracture type seepage, determines according to a shutoff area.
In a preferred embodiment of the invention, it is circular that surface air bag 31 can adopt high-strength cloth to be made into, compression resistance is more than or equal to 0.2Mpa, and central circular area is not less than the cross-sectional area of described slip casting drilling rod, and outer toroid area is more than or equal to and leaks out mouth of a river area.
For the technical scheme that above-described embodiment provides, it should be noted that:
(1) available foundation pit waterproof curtain, also may be used for supporting in tunnel, dykes and dams, underground structure exterior wall, underground structure base plate or underground structure lining cutting;
(2) surperficial air bag can be the high-strength cloth material of TPU, also can be other any materials;
(3) surperficial air bag can be that annulus is capable, also can be other any shapes;
(4) run of steel can be 50cm, also can be other any length;
(5) anchoring drilling rod can be water filling, also can be note other materials;
(6) slurries of two fluid grouting drilling rod can mix in exit, also can in drilling rod internal mix.
Embodiment two
As shown in figure 14, embodiments provide a kind of curtain seepage blocking method, utilize the gasbag-type curtain seepage device for plugging described in embodiment one, comprise the steps:
S1, after described drill bit, anchoring drilling rod being connected with slip casting drilling rod, squeezes into the soil body from leaking surface;
S2, lays mattress, surperficial air bag and blank cover at described sealing facility successively away from the surface of the described soil body;
S3, after described casting head is connected described fastener, then is connected on described slip casting drilling rod;
S4, from described water filling port to water filling described inflatable water pocket;
S5, to described surperficial airbag aeration;
S6, injects the first slurries from described first fluid injection import, injects the second slurries from described second fluid injection import;
S7, after the described soil body is injected in described first slurries and described second slurries mixing, after final set, completes blocking construction.
Wherein, in S4, except can using water, other similar liquid can also be used, make inflatable water pocket reach the state of expansion, increase the bed knife of anchoring drilling rod.
S5 can comprise the steps:
S501, is connected the valve of air compressor machine with described surperficial air bag, adjusts described air compressor machine pressure-control valve;
S502, starts air compressor machine to described surperficial airbag aeration, in gas replenishment process, observes the infiltration situation of described mattress outer rim, if ooze out without underground water, then stops inflation, otherwise, continue to be inflated to described surperficial air bag and expand.
In a preferred embodiment of the invention, before S2, also comprise step: the external surface clearing up described sealing facility, make described sealing facility keep smooth; Specifically can implement in the following way: remove high protruding on described sealing facility external surface, or adopt fast setting cement, leak stopping spirit levelling.
By adopting technique scheme disclosed by the invention, obtain effect useful as follows: the gasbag-type curtain seepage device for plugging that the embodiment of the present invention provides and method, by using the equipment such as expansion anchoring drilling rod, two fluid grouting drilling rod and surface-sealing air bag, effectively can solve device for plugging and method produced problem in prior art, realize timely, the shutoff fast and effectively to curtain seepage, avoid the safety problem due to the initiation such as ground water seepage, quicksand surrounding enviroment.
Each embodiment in this manual all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Those skilled in the art it should be understood that the sequential of the method step that above-described embodiment provides can carry out accommodation according to actual conditions, also can carry out according to actual conditions are concurrent.
The hardware that all or part of step in the method that above-described embodiment relates to can carry out instruction relevant by program has come, described program can be stored in the storage medium that computer equipment can read, for performing all or part of step described in the various embodiments described above method.Described computer equipment, such as: personal computer, server, the network equipment, intelligent mobile terminal, intelligent home device, wearable intelligent equipment, vehicle intelligent equipment etc.; Described storage medium, such as: the storage of RAM, ROM, magnetic disc, tape, CD, flash memory, USB flash disk, portable hard drive, storage card, memory stick, the webserver, network cloud storage etc.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, commodity or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, commodity or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, commodity or the equipment comprising described key element and also there is other identical element.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (9)
1. a gasbag-type curtain seepage device for plugging, is characterized in that, comprises connecting successively: drill bit, anchoring drilling rod, slip casting drilling rod and casting head; Described slip casting drilling rod is successively through mattress, surperficial air bag and blank cover, and one end of described slip casting drilling rod is exposed described blank cover and is connected with described casting head, and the other end of described slip casting drilling rod is connected with described anchoring drilling rod;
Described casting head, described slip casting drilling rod and described anchoring drilling rod are provided with waterflood path, described casting head and described slip casting drilling rod are provided with the first reservoir channel and the second reservoir channel;
When described casting head, described slip casting drilling rod are connected with described anchoring drilling rod, described casting head, described slip casting drilling rod are all communicated with the described waterflood path on described anchoring drilling rod, described casting head is all communicated with described first reservoir channel on described slip casting drilling rod, and described casting head is all communicated with described second reservoir channel on described slip casting drilling rod;
Described casting head is also provided with water filling port, the first fluid injection import and the second fluid injection import, described slip casting drilling rod is also provided with the first fluid injection and the second fluid injection outlet of connection; Described water filling port is communicated with described waterflood path; Described first fluid injection import is by described first reservoir channel and described first fluid injection and the second fluid injection outlet; Described second fluid injection import is by described second reservoir channel and described first fluid injection and the second fluid injection outlet;
Described anchoring drilling rod is also provided with water stream channel, water filling cavity and inflatable water pocket, one end of described water stream channel is communicated with described waterflood path, and the other end of described water stream channel is communicated with described water filling cavity, and described water filling cavity is communicated with described inflatable water pocket.
2. gasbag-type curtain seepage device for plugging according to claim 1, it is characterized in that, also comprise fastener, described fastener is set in the outside of described casting head, and described casting head stretches out described fastener, is connected with described slip casting drilling rod.
3. gasbag-type curtain seepage device for plugging according to claim 1, is characterized in that, described drill bit is augers.
4. gasbag-type curtain seepage device for plugging according to claim 1, is characterized in that, described mattress is circular or strip, and to hole type seepage, outer toroid area is not less than seepage open area; Fracture type seepage, determines according to a shutoff area.
5. gasbag-type curtain seepage device for plugging according to claim 1, it is characterized in that, it is circular that described surperficial air bag adopts high-strength cloth to be made into, compression resistance is more than or equal to 0.2Mpa, central circular area is not less than the cross-sectional area of described slip casting drilling rod, and outer toroid area is more than or equal to and leaks out mouth of a river area.
6. a curtain seepage blocking method, is characterized in that, utilizes the gasbag-type curtain seepage device for plugging described in any one of claim 1-5, comprises the steps:
S1, after described drill bit, anchoring drilling rod being connected with slip casting drilling rod, squeezes into the soil body from leaking surface;
S2, the surface of the described soil body lays mattress, surperficial air bag and blank cover successively;
S3, after described casting head is connected described fastener, then is connected on described slip casting drilling rod;
S4, from described water filling port to water filling described inflatable water pocket;
S5, to described surperficial airbag aeration;
S6, injects the first slurries from described first fluid injection import, injects the second slurries from described second fluid injection import;
S7, after the described soil body is injected in described first slurries and described second slurries mixing, after final set, removes air bag, completes blocking construction.
7. curtain seepage blocking method according to claim 6, is characterized in that, in S4, regulates water injection pressure, after water filling a period of time, stops water filling.
8. curtain seepage blocking method according to claim 6, it is characterized in that, S5 comprises the steps:
S501, is connected the valve of air compressor machine with described surperficial air bag, adjusts described air compressor machine pressure-control valve;
S502, starts air compressor machine to described surperficial airbag aeration, in gas replenishment process, observes the infiltration situation of described mattress outer rim, if ooze out without underground water, then stops inflation, otherwise, continue to be inflated to described surperficial air bag and expand.
9. curtain seepage blocking method according to claim 6, is characterized in that, before S2, also comprises step: the external surface clearing up described sealing facility, makes described sealing facility keep smooth.
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| CN201510927300.9A CN105421475B (en) | 2015-12-14 | 2015-12-14 | Air bag type curtain leakage blocking device and method |
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| CN108842779A (en) * | 2018-08-16 | 2018-11-20 | 天津核海源科技发展有限公司 | A kind of underground backwater structure sealing grouting stick |
| CN110306492A (en) * | 2019-07-26 | 2019-10-08 | 贵州省水利水电勘测设计研究院 | Device for plugging |
| CN111997073A (en) * | 2020-08-15 | 2020-11-27 | 广东劲拓建设工程有限公司 | Air bag type curtain leakage blocking device and method |
| CN112502176A (en) * | 2020-12-21 | 2021-03-16 | 中交第二航务工程局有限公司 | Bag type curtain upstream face leakage blocking device and method suitable for hole leakage |
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| GB2570259B (en) * | 2017-04-18 | 2021-11-10 | Univ Jiangsu | Environmentally friendly capsular bag-type downhole karst cave blocking device and blocking method therefor |
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| CN110306492A (en) * | 2019-07-26 | 2019-10-08 | 贵州省水利水电勘测设计研究院 | Device for plugging |
| CN111997073A (en) * | 2020-08-15 | 2020-11-27 | 广东劲拓建设工程有限公司 | Air bag type curtain leakage blocking device and method |
| CN112502176A (en) * | 2020-12-21 | 2021-03-16 | 中交第二航务工程局有限公司 | Bag type curtain upstream face leakage blocking device and method suitable for hole leakage |
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