CN201891119U - Grouting device with functions of air exhaust and grout backflow prevention - Google Patents
Grouting device with functions of air exhaust and grout backflow prevention Download PDFInfo
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- CN201891119U CN201891119U CN2010206133201U CN201020613320U CN201891119U CN 201891119 U CN201891119 U CN 201891119U CN 2010206133201 U CN2010206133201 U CN 2010206133201U CN 201020613320 U CN201020613320 U CN 201020613320U CN 201891119 U CN201891119 U CN 201891119U
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- grouting
- grouting pipe
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- grouting device
- exhaust
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- 239000011440 grout Substances 0.000 title abstract description 7
- 230000002265 prevention Effects 0.000 title abstract description 4
- 239000002002 slurry Substances 0.000 claims description 39
- 238000010992 reflux Methods 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 24
- 238000010276 construction Methods 0.000 abstract description 21
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- 238000001125 extrusion Methods 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 238000007569 slipcasting Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 6
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
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- 239000011083 cement mortar Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- 239000000243 solution Substances 0.000 description 3
- 239000007963 capsule composition Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model relates to a grouting device with the functions of air exhaust and grout backflow prevention and aims to provide the grouting device and a construction method of using the grouting device. The grouting device is suitable for various pore-forming and broaching processes and exerts the carrying capacity of soil bodies to the great extent under a complex stratum condition, improves the plumpness and closeness of grout at the expanding sections of pores, can be manufactured industrially, is convenient for transport, construction, manufacture and assembly, and has high efficiency and low cost. The grouting device with the functions of air exhaust and grout backflow prevention comprises an upper sleeve component, a lower sleeve component, a folding type expanding extrusion drum, an inner grouting pipe and an outer grouting pipe, wherein the inner grouting pipe and the outer grouting pipe are connected through a union; a pneumatic non-return valve and at least one hydraulic non-return valve are mounted on the outer grouting pipe; at least one stand pipe is fixed between an upper cover plate and a bearing plate; and at least one anchor rib penetrates the upper plate, the bearing plate and the stand pipe.
Description
Technical field
The utility model relates to a kind of Foundation Design specialized apparatus, particularly relates to the device that pipeline is pressed into cement paste that passes through that a kind of geotechnical engineering structure construction uses.
Background technology
In all kinds of geotechnical engineering structure construction technologies, different types of slurry injection technique is used very extensive, and along with updating of slurry material, component and instillation process, grouting equipment, the mortar depositing construction technology has obtained very great development.Wherein, the grouting technique in all kinds of geotechnical borings or slender holes hole, especially slip casing by pressure technology has huge development and application space.Aspect grout coordinate ratio and material, oligosaprobic chemical grout constantly is developed, modification and use, and permeability is strong, the property annotated is good, pollution-free, consolidating strength is high, time of setting is controlled, construct easily that injecting paste material and technology are the focuses of slurry injection technique development always.In order further to improve the quality of Grouting engineering, except that the exploitation of materials chemistry performance, the design with the adaptive supporting grouting device in extensive stratum of all kinds of particular design and the importance of research and development gradually by engineering circle cognition, from easy at first, economic inserted slip casting method, circulating slip casting method to follow-up developments, two-tube slip casting method, floral tube sheath body slip casting method, the continuous utility model and the introduction of new technologies such as sleeve valve pipe slip casting method and electric osmose slip casting method, make slip casting effect be increased dramatically, its range of application is also reinforced from dam site, side slope protection extends to seismic hardening, ground anchorage, tunnel advanced support, water seepage prevention, and wind-powered electricity generation, numerous technical fields of new forms of energy classes such as earth source heat pump.
In the design-build process of all kinds of geotechnological constructions of structures of China, using all kinds of holes internal pressure grouting technique has solved antiseepage, reinforcing, anchor ingot and jacking under the large amount of complex formation condition and engineering roadblock such as has underpined, accumulated numerous material categorys and technology in this field, further promoted but still need with respect to the top standard of international large foundation such as method base engineering company.Grouting or mud jacking technology should further be improved in the following aspects in the hole of extensive use at present:
1, the exploitation of efficient grouting equipment, device is perfect: should be able to provide in serial worker's method exploitation of pore-forming technique and corollary equipment, device that a cover is convenient to that batch production is made, the technique device of transportation and management, so that reach the target of pipelining rapid construction, improve construction level and quality, reduce waste discharge.
2, improve Active Management level to the grouting process quality: the mortar depositing construction product belongs to concealed work, and development can ACTIVE CONTROL and the equipment and the method for objective evaluation construction effect, and makes its standardization, standardization, is beneficial to engineering design and practice.
3, improve control and the application level of grouting technique in extended field: the application that mud jacking perfusion in such as ground stabilization, anchor hole perfusion, hole, expansion body compaction grouting etc. is extended in the application is still more extensive at present, as the engineering hydrogeological conditions of bad ground, the hidden danger point of harm integrated engineering quality such as occur easily that the growth of grouting hole, lack of homogeneity, slurries the evolving path are wayward, consolidating strength is lower than design load and useless slurry discharging is unordered.
4, when difficult problems such as solution anticorrosion and complex geological condition, often bring the contradiction of construction costs control and quality managemant.
For the problems referred to above, except construction equipment and managerial improvement, with the should cost Application and Development efficiently in the hole device for casting be a feasible technology solution route.The perfusion technique scheme that is about in the past is optimized and modularization innovation and improvement design, and by structure redesign partly, be aided with the brand-new installation of construction technology, means of transportation, improve automaticity and reliability, thereby promoting perfusion effect, reduce construction cost, aspects such as minimizing construction period can have outstanding construction value and meaning.
No. 200820109711.2, the applicant's Chinese utility model patent " controlled capsule formula expansion gear ", wherein comprise coaxial spaced apart in opposite directions upper bush assembly and lower sleeve assembly in the disclosed embodiment of Fig. 5, a collapsible expansion recipient is fixed between upper bush assembly and the lower sleeve assembly, Grouting Pipe penetrates in the collapsible expansion recipient from the upper cover plate of upper bush assembly, Force transmission parts (dowel) passes the upper cover plate and the collapsible expansion recipient of upper bush assembly, and its lower end is fixed on the bearing disc of lower sleeve assembly.
The shortcoming of this " controlled capsule formula expansion gear " is:
1, because of the dowel random length, seal after need wearing muscle at the construction field (site), the Grouting Pipe outer tube is very long in addition, thus this device can only make at the construction field (site), unstable product quality, efficient is low, the cost height, poor reliability, difficult sealing is to guarantee;
2, can't get rid of the interior gas of collapsible expansion recipient, cause the cement mortar compactness of injecting in the recipient poor, form the cavity, the bearing capacity reduction;
3, stop slip casting after, the partial pressure slurries when removing outside Grouting Pipe in the recipient can be excessive, and intraluminal pressure is reduced, and causes the Engineering Structure Component leakiness of final formation, bearing capacity reduces;
4, there is a part of slip casting outer tube of suitable length to stay in the hole, causes waste, construction costs is increased.
The utility model content
The purpose of this utility model is to overcome above-mentioned shortcoming, provide a kind of can be under the bad ground condition, be applicable to various pore-formings, chambering process, and bring into play soil body self-bearing capacity to greatest extent, improve the plumpness and the density that expand body section slurries in the hole, can carry out the batch production manufacturing, and convenient transportation and construction fabrication and installation, the efficient height, the grouting device that cost is low.
The utility model has the grouting device of exhaust and anti-slurry reflux function concurrently, comprise coaxial spaced apart in opposite directions upper bush assembly and lower sleeve assembly, a collapsible expansion recipient is fixed between described upper bush assembly and the lower sleeve assembly, a Grouting Pipe is passed and is extend in the described collapsible expansion recipient from the upper cover plate of described upper bush assembly, at least one dowel passes the upper cover plate of described upper bush assembly, the carrier of collapsible expansion recipient and lower sleeve assembly, its lower end is fixed on the described carrier, wherein said Grouting Pipe is made up of interior Grouting Pipe that links together by movable joint and outer Grouting Pipe, the Grouting Pipe that penetrates and extend in the described collapsible expansion recipient from the upper cover plate of described upper bush assembly is interior Grouting Pipe, Grouting Pipe is equipped with a Pneumatic unidirectional valve and at least one one way valve that surges from bottom to top in described, in described upper bush assembly and lower sleeve assembly, have at least a standpipe in axial direction to be fixed between described upper cover plate and the carrier, the last through hole of described upper cover plate and the lower through-hole of carrier communicate with the endoporus of described standpipe, and the dowel that passes described upper cover plate and carrier passes described standpipe simultaneously.
The utility model has the grouting device of exhaust and anti-slurry reflux function concurrently, and wherein said standpipe is 2～6, and described interior Grouting Pipe is positioned on the axis of described upper bush assembly and lower sleeve assembly, and protective cap is equipped with in described carrier bottom.
The utility model has the grouting device of exhaust and anti-slurry reflux function concurrently, on the wherein said upper cover plate outlet valve is housed.
The utility model has the grouting device of exhaust and anti-slurry reflux function concurrently, wherein said movable joint comprise with described in Grouting Pipe top box section that links to each other and the pin thread section that links to each other with outer Grouting Pipe bottom, between described box section and the pin thread section sealing ring is housed, described pin thread section comprises transit joint, on it symmetry two buckles are installed, the head of each described buckle is equipped with the draw ring of band wire rope.
The utility model has the grouting device of exhaust and anti-slurry reflux function concurrently, and wherein said two buckle head relative positions are connected with two tension springs around described transit joint outer wall.
The utility model has the grouting device of exhaust and anti-slurry reflux function concurrently, and the wherein said one way valve that surges is 2, and each one way valve that surges is made up of the resilient sleeve that is symmetricly set on a plurality of excessive slurry hole on the described interior Grouting Pipe tube wall and be sleeved on the slurry hole pipeline section that overflows.
The utility model has the grouting device of exhaust and anti-slurry reflux function concurrently, and the two ends of wherein said collapsible expansion recipient are to be separately fixed on the cylindrical shell of the cylindrical shell of described upper bush assembly and lower sleeve assembly with mutual vertically arranged a pair of clip.
The utility model has the grouting device of exhaust and anti-slurry reflux function concurrently, and wherein said outlet valve is made up of housing and the elastic sealing cover that is filled in the cavernous body in housing and the upper cover plate steam vent and is contained in case top.
The grouting device difference from prior art that the utility model has exhaust and anti-slurry reflux function concurrently is between the upper bush assembly of the utility model grouting device and the lower sleeve assembly standpipe to be installed, dowel passes from the upper cover plate of upper bush assembly and the carrier of lower sleeve assembly, and be arranged in the endoporus of standpipe, utilize standpipe to solve connectivity problem between the upper and lower sleeve assembly and the sealing problem between dowel and upper bush assembly and the lower sleeve assembly, be convenient to batch production production, improved quality, stability and the production efficiency of product; The Pneumatic unidirectional valve of installing on the interior Grouting Pipe makes the gas in the recipient can be from the outside single-phase discharge of Grouting Pipe, the one way valve of installing on the interior Grouting Pipe that surges can prevent that the cement mortar in the recipient from refluxing, and has improved the bearing capacity of the density and the final Engineering Structure Component that forms of cement mortar in the recipient; Connect by movable joint between interior Grouting Pipe and the outer Grouting Pipe, after slip casting is finished in recipient, outer Grouting Pipe can be separated from interior Grouting Pipe, avoid outer Grouting Pipe landfill in the hole, having reduced construction costs.
Below in conjunction with accompanying drawing the grouting device that has exhaust and anti-slurry reflux function concurrently of the present utility model is described further.
Description of drawings
Fig. 1 has the front view of the grouting device of exhaust and anti-slurry reflux function concurrently for the utility model;
Fig. 2 is the sectional view of A-A direction among Fig. 1;
Fig. 3 is the sectional view of B-B direction among Fig. 1;
Fig. 4 has the front view of movable joint in the grouting device of exhaust and anti-slurry reflux function concurrently for the utility model;
Fig. 5 be among Fig. 4 C to view;
Fig. 6 has the structural representation of Pneumatic unidirectional valve in pumping process in the grouting device of exhaust and anti-slurry reflux function concurrently for the utility model;
Fig. 7 has the structural representation of one way valve in the slip casting process that surge in the grouting device of exhaust and anti-slurry reflux function concurrently for the utility model;
Fig. 8 is the first half schematic diagram of the job practices of the geotechnical engineering structural element of use the utility model grouting device;
Fig. 9 is the latter half of schematic diagram of the job practices of the geotechnical engineering structural element of use the utility model grouting device.
The specific embodiment
As shown in Figure 1, the grouting device that the utility model has exhaust and anti-slurry reflux function concurrently comprises coaxial spaced apart in opposite directions upper bush assembly 100 and lower sleeve assembly 200, in conjunction with Fig. 2 and shown in Figure 3, the two ends of a collapsible expansion recipient 50 are separately fixed on the cylindrical shell 204 of the cylindrical shell 104 of upper bush assembly 100 and lower sleeve assembly 200 with mutual vertically arranged a pair of clip 7.A Grouting Pipe is passed and is extend in the collapsible expansion recipient 50 from the upper cover plate 101 of upper bush assembly 100, Grouting Pipe is made up of the interior Grouting Pipe 2 and the outer Grouting Pipe 1 that link together by movable joint 3, the Grouting Pipe that penetrates and extend in the collapsible expansion recipient 50 from the upper cover plate 101 of upper bush assembly 100 is interior Grouting Pipe 2, interior Grouting Pipe 2 is positioned on the axis of upper bush assembly 100 and lower sleeve assembly 200, interior Grouting Pipe 2 is equipped with a Pneumatic unidirectional valve 4 and two one way valves 5 that surge from bottom to top, each one way valve 5 that surges is made up of a plurality of excessive slurry hole on Grouting Pipe 2 tube walls in being symmetricly set on 52 and the resilient sleeve 51 that is sleeved on slurry hole 52 pipeline sections that overflow, respectively be processed with a spacing ring 53 on the two ends tube wall of resilient sleeve 51, be used to prevent that resilient sleeve 51 breaks away from from slurry hole 52 pipeline sections that overflow.
In upper bush assembly 100 and lower sleeve assembly 200; 4 standpipes 6 in axial direction are fixed between upper cover plate 101 and the carrier 201; the last through hole 103 of upper cover plate 101 and the lower through-hole of carrier 201 communicate with the endoporus of standpipe 6; and its aperture is basic identical; 4 dowels 13 pass the through hole 203 on the carrier 201 of the endoporus of through hole 103 on the upper cover plate 101 of upper bush assembly 100, standpipe 6 and lower sleeve assembly 200; dowel 13 lower ends are fixed on the carrier 201; protective cap 202 is equipped with in carrier 201 bottoms, and protection dowel 13 is avoided corroding.Outlet valve 11 is housed on the upper cover plate 101, and outlet valve 11 is made up of housing 8 and the elastic sealing cover 10 that is filled in the cavernous body 9 in housing 8 and upper cover plate 101 steam vents and is contained in housing 8 tops.
As shown in Figure 4 and Figure 5, movable joint 3 comprises box section 32 that links to each other with interior Grouting Pipe 2 tops and the pin thread section 31 that links to each other with outer Grouting Pipe 1 bottom, between box section 32 and the pin thread section 31 sealing ring 37 is housed, pin thread section 31 comprises transit joint 33, on it symmetry two buckles 34 are installed, the head of each buckle 34 is equipped with the draw ring 35 of band wire rope.Two buckle 34 head relative positions are connected with two tension springs 36 around transit joint 33 outer walls, tension spring 36 makes buckle 34 can keep certain state that tightens up, by lifting wire rope buckle 34 is opened, thereby box section 32 is separated with pin thread section 31.
Use the job practices of the geotechnical engineering structural element of grouting device in the present embodiment to comprise the steps:
As shown in Figure 8, at first, according to certain depth is beaten in designing requirement in the stratum boring 12, the aperture of boring 12 will be suitable for putting into the grouting device of contraction state.
Then, extract air in the collapsible expansion recipient 50 out with vacuum pump, at this moment, the duty of the Pneumatic unidirectional valve 4 on the interior Grouting Pipe 2 as shown in Figure 6, be discharged from after the Grouting Pipe 2 in gas enters by Pneumatic unidirectional valve 4, make grouting device be tightened to installment state.
Then, Grouting Pipe 2 and outer Grouting Pipe 1 in connecting by movable joint 3, handle dowel 13 with the grouting device sinking to the 12 interior predeterminated positions of holing.
As Fig. 8 and shown in Figure 9, in collapsible expansion recipient 50, inject water under high pressure mud with mortar pump, at this moment, the duty of the one way valve 5 that surges on the interior Grouting Pipe 2 as shown in Figure 7, resilient sleeve 51 is strutted by the pressure of cement grout, slurry hole 52 flows in the collapsible expansion recipient 50 from overflowing, and pressurize certain hour, after the pressure in the collapsible expansion recipient 50 reaches setting value, elastic sealing cover 10 on the outlet valve 11 is opened automatically, discharges residual air in the collapsible expansion recipient 50 by outlet valve 11.
At last, be exposed at the 12 outer wire rope that are connected with draw ring 35 of holing by pulling, the outer Grouting Pipe 1 that is connected by movable joint 3 is separated with interior Grouting Pipe 2, Grouting Pipe 1 continues to boring 12 internal pressure slip castings by mortar pump simultaneously outside promoting, and the filling reperfusion serosity proposes the aperture with outer Grouting Pipe 1 again to the aperture.
With above-mentioned job practices be applied to ground processing, foundation underpinning, rectifying of leaned building, making pile foundation expand the end, when geotechnical body expands body anchoring and anti-floating anchoring engineering, can and have the bearing capacity of giving full play to and improve ground layer soil body self in the anchoring engineering of the building of artesian water, high osmosis underground water stratum, structure at loose soft stratum, reduce member length, save boring cost and material usage.
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (8)
1. grouting device that has exhaust and anti-slurry reflux function concurrently, comprise coaxial spaced apart in opposite directions upper bush assembly (100) and lower sleeve assembly (200), a collapsible expansion recipient (50) is fixed between described upper bush assembly (100) and the lower sleeve assembly (200), a Grouting Pipe is passed and is extend in the described collapsible expansion recipient (50) from the upper cover plate (101) of described upper bush assembly (100), at least one dowel (13) passes the upper cover plate (101) of described upper bush assembly (100), the carrier (201) of collapsible expansion recipient (50) and lower sleeve assembly (200), its lower end is fixed on the described carrier (201), it is characterized in that: described Grouting Pipe is made up of interior Grouting Pipe (2) that links together by movable joint (3) and outer Grouting Pipe (1), the Grouting Pipe that penetrates and extend in the described collapsible expansion recipient (50) from the upper cover plate (101) of described upper bush assembly (100) is interior Grouting Pipe (2), Grouting Pipe (2) is equipped with a Pneumatic unidirectional valve (4) and at least one one way valve that surges (5) from bottom to top in described, in described upper bush assembly (100) and lower sleeve assembly (200), have at least a standpipe (6) in axial direction to be fixed between described upper cover plate (101) and the carrier (201), the last through hole (103) of described upper cover plate (101) and the lower through-hole (203) of carrier (201) communicate with the endoporus of described standpipe (6), and the dowel that passes described upper cover plate (101) and carrier (201) passes described standpipe (6) simultaneously.
2. the grouting device that has exhaust and anti-slurry reflux function concurrently according to claim 1; it is characterized in that: described standpipe (6) is 2～6; Grouting Pipe (2) is positioned on the axis of described upper bush assembly (100) and lower sleeve assembly (200) in described, and protective cap (202) is equipped with in described carrier (201) bottom.
3. the grouting device that has exhaust and anti-slurry reflux function concurrently according to claim 2 is characterized in that: outlet valve (11) is housed on the described upper cover plate (101).
4. according to the described grouting device that has exhaust and anti-slurry reflux function concurrently of one of claim 1 to 3, it is characterized in that: described movable joint (3) comprise with described in Grouting Pipe (2) top box section (32) that links to each other and the pin thread section (31) that links to each other with outer Grouting Pipe (1) bottom, between described box section (32) and the pin thread section (31) sealing ring (37) is housed, described pin thread section (31) comprises transit joint (33), on it symmetry two buckles (34) are installed, the head of each described buckle (34) is equipped with the draw ring (35) of band wire rope.
5. the grouting device that has exhaust and anti-slurry reflux function concurrently according to claim 4 is characterized in that: described two buckles (34) head relative position is connected with two tension springs (36) around described transit joint (33) outer wall.
6. the grouting device that has exhaust and anti-slurry reflux function concurrently according to claim 5, it is characterized in that: the described one way valve that surges (5) is 2, and each one way valve that surges (5) is made up of the resilient sleeve (51) that is symmetricly set on a plurality of excessive slurry hole (52) on described interior Grouting Pipe (2) tube wall and be sleeved on slurry hole (52) pipeline section that overflows.
7. the grouting device that has exhaust and anti-slurry reflux function concurrently according to claim 6 is characterized in that: the two ends of described collapsible expansion recipient (50) are to be separately fixed on the cylindrical shell (204) of the cylindrical shell (104) of described upper bush assembly (100) and lower sleeve assembly (200) with mutual vertically arranged a pair of clip (7).
8. the grouting device that has exhaust and anti-slurry reflux function concurrently according to claim 7 is characterized in that: described outlet valve (11) by housing (8) and be filled in housing (8) and upper cover plate (101) steam vent in cavernous body (9) and the elastic sealing cover (10) that is contained in housing (8) top form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206133201U CN201891119U (en) | 2010-11-18 | 2010-11-18 | Grouting device with functions of air exhaust and grout backflow prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206133201U CN201891119U (en) | 2010-11-18 | 2010-11-18 | Grouting device with functions of air exhaust and grout backflow prevention |
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| Publication Number | Publication Date |
|---|---|
| CN201891119U true CN201891119U (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206133201U Expired - Lifetime CN201891119U (en) | 2010-11-18 | 2010-11-18 | Grouting device with functions of air exhaust and grout backflow prevention |
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| CN (1) | CN201891119U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002951A (en) * | 2010-11-18 | 2011-04-06 | 中冶建筑研究总院有限公司 | Grouting device combining exhausting and grout backflow preventing functions and construction method of geotechnical engineering structural elements using the same |
| CN105842430A (en) * | 2016-06-02 | 2016-08-10 | 天津大学 | Test method and test device for transverse microorganism cement grouting |
| CN106120708A (en) * | 2016-08-30 | 2016-11-16 | 化学工业岩土工程有限公司 | The encapsulating method of a kind of gas-liquid two-phase ascending pipe and ascending pipe device |
| CN112593976A (en) * | 2020-11-11 | 2021-04-02 | 永城煤电控股集团有限公司 | Coal mine geology is slip casting device for water shutoff |
| CN112681317A (en) * | 2020-12-28 | 2021-04-20 | 中国建筑第八工程局有限公司 | Construction method for preventing pile body from hole crossing |
| CN112814708A (en) * | 2021-03-01 | 2021-05-18 | 浙江普泰克金属制品有限公司 | High-pressure grouting assembly for tunnel |
| CN119266234A (en) * | 2024-11-19 | 2025-01-07 | 浙江泰顺抽水蓄能有限公司 | Anchor hole grouting control device |
-
2010
- 2010-11-18 CN CN2010206133201U patent/CN201891119U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002951A (en) * | 2010-11-18 | 2011-04-06 | 中冶建筑研究总院有限公司 | Grouting device combining exhausting and grout backflow preventing functions and construction method of geotechnical engineering structural elements using the same |
| CN102002951B (en) * | 2010-11-18 | 2012-09-19 | 中冶建筑研究总院有限公司 | Grouting device combining exhausting and grout backflow preventing functions and construction method of geotechnical engineering structural elements using the same |
| CN105842430A (en) * | 2016-06-02 | 2016-08-10 | 天津大学 | Test method and test device for transverse microorganism cement grouting |
| CN106120708A (en) * | 2016-08-30 | 2016-11-16 | 化学工业岩土工程有限公司 | The encapsulating method of a kind of gas-liquid two-phase ascending pipe and ascending pipe device |
| CN112593976A (en) * | 2020-11-11 | 2021-04-02 | 永城煤电控股集团有限公司 | Coal mine geology is slip casting device for water shutoff |
| CN112593976B (en) * | 2020-11-11 | 2022-12-02 | 永城煤电控股集团有限公司 | A grouting device for coal mine geological water plugging |
| CN112681317A (en) * | 2020-12-28 | 2021-04-20 | 中国建筑第八工程局有限公司 | Construction method for preventing pile body from hole crossing |
| CN112814708A (en) * | 2021-03-01 | 2021-05-18 | 浙江普泰克金属制品有限公司 | High-pressure grouting assembly for tunnel |
| CN119266234A (en) * | 2024-11-19 | 2025-01-07 | 浙江泰顺抽水蓄能有限公司 | Anchor hole grouting control device |
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Granted publication date: 20110706 Effective date of abandoning: 20120919 |