CN112694314B - Grouting material for reinforcing rock mass crack and preparation method thereof - Google Patents
Grouting material for reinforcing rock mass crack and preparation method thereof Download PDFInfo
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- CN112694314B CN112694314B CN202110130094.4A CN202110130094A CN112694314B CN 112694314 B CN112694314 B CN 112694314B CN 202110130094 A CN202110130094 A CN 202110130094A CN 112694314 B CN112694314 B CN 112694314B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a grouting material for reinforcing a rock mass fracture, which comprises, by weight, 10-25 parts of cement, 5-10 parts of clay, 6-12 parts of fly ash, 12-22 parts of polyurethane, 8-13 parts of water glass, 9-18 parts of silica gel, 3-6 parts of a curing agent, 5-9 parts of an expanding agent and 10-25 parts of water; the invention also provides a preparation method of the grouting material for reinforcing the rock body fracture. The invention combines solid grain grouting materials such as cement, clay, fly ash and the like with chemical grouting materials such as polyurethane, water glass, silica gel and the like to prepare the grouting material with excellent performance for reinforcing the cracks of the rock mass, and the grouting material has the advantages of high consolidation strength, good stability, good wind erosion resistance, small influence by environmental temperature change and seasonal change, and capability of effectively improving the stability and the impermeability of the cracked rock mass, thereby effectively reinforcing the cracked rock mass.
Description
Technical Field
The invention relates to the technical field of rock engineering. More particularly, the invention relates to a grouting material for reinforcing rock mass cracks and a preparation method thereof.
Background
The development of cracks in the rock mass can obviously influence the strength and stability of the rock mass, so that geological disasters such as rock collapse, collapse and the like are easily caused, and the life and property safety is threatened, so that the rock mass containing cracks needs to be reinforced.
Grouting reinforcement is a commonly used method for reinforcing rock fractures, and the used grouting material can play roles in filling reinforcement, water plugging and seepage prevention and the like in rock fractures and pores. The grouting material may be classified into a solid grouting material and a chemical grouting material, wherein the solid grouting material mainly includes clay grout, cement paste, cement-clay grout, cement fly ash grout, etc., the chemical grouting material mainly includes a silicification grouting material, an epoxy resin grouting material, methyl methacrylate plugging grout, acrylamide plugging grout, polyurethane grouting material, etc., and further, there is a fine mineral grouting material produced by combining different natural minerals, artificial minerals, and other materials.
The solid grain grouting material is limited by the grain size, so that the fine cracks cannot be reinforced, and the grouting material is easily influenced by environmental change, temperature change and corrosive ions such as chloride ions in the environment, so that the service life is shortened; although the chemical grouting material, especially the nano chemical grouting material, can fill the fine crack region and is beneficial to improving the reinforcing and anti-seepage effects, compared with the solid grain grouting material, the cost is obviously increased, and the chemical grouting material is not economical in large-scale use.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a grouting material for reinforcing the cracks of the rock mass and a preparation method thereof, which combines solid grain grouting materials such as cement, clay, fly ash and the like with chemical grouting materials such as polyurethane, water glass, silica gel and the like to prepare the grouting material for reinforcing the cracks of the rock mass with excellent performance, high consolidation strength, good stability, good wind erosion resistance and small influence by environmental temperature change and seasonal change, and can effectively improve the stability and the impermeability of the cracked rock mass, thereby effectively reinforcing the cracked rock mass.
To achieve these objects and other advantages in accordance with the present invention, there is provided a grouting material for rock fracture reinforcement, comprising, by weight, 10 to 25 parts of cement, 5 to 10 parts of clay, 6 to 12 parts of fly ash, 12 to 22 parts of polyurethane, 8 to 13 parts of water glass, 9 to 18 parts of silica gel, 3 to 6 parts of a curing agent, 5 to 9 parts of an expanding agent, and 10 to 25 parts of water.
Preferably, the cement mortar comprises 25 parts of cement, 10 parts of clay, 12 parts of fly ash, 12 parts of polyurethane, 8 parts of water glass, 9 parts of silica gel, 6 parts of curing agent, 7 parts of expanding agent and 18 parts of water.
Preferably, the cement mortar comprises 10 parts of cement, 5 parts of clay, 6 parts of fly ash, 22 parts of polyurethane, 13 parts of water glass, 18 parts of silica gel, 5 parts of curing agent, 8 parts of expanding agent and 20 parts of water.
The invention provides a preparation method of a grouting material for reinforcing rock mass cracks, which comprises the following steps in parts by weight:
s1, mixing cement, clay, fly ash, polyurethane, water glass and silica gel, and adding into a reaction kettle;
s2, starting the reaction kettle, adding water, and carrying out primary stirring, wherein the stirring time is controlled to be 20-50 min, the stirring speed is controlled to be 160-280 r/min, and the reaction temperature is controlled to be 50-80 ℃;
and S3, stopping stirring for the first time, adding the curing agent and the expanding agent into the reaction kettle, starting the reaction kettle again for stirring for the second time, and stopping stirring after 20-30 min to obtain the grouting material.
Preferably, after the grouting material is obtained, a pressurizing device connected to the upper end of the reaction kettle is started to press out the grouting material, and the grouting material needs to be used in time to prevent the grouting material from being solidified in a short time.
Preferably, the curing agent is one or more of ethyl acetate, glycerol triacetate and ethylene glycol diacetate.
Preferably, the swelling agent is one or more of calcium sulphoaluminate swelling agent, calcium oxide swelling agent or UEA swelling agent.
Preferably, reation kettle still includes supercharging device and barometer, supercharging device sets up reation kettle top, and through the connecting pipe with reation kettle connects, be equipped with the ball valve on the connecting pipe, the barometer with reation kettle intercommunication is used for detecting atmospheric pressure in the reation kettle.
Preferably, the reaction kettle further comprises a loading hopper which is arranged on the upper surface of the reaction kettle.
Preferably, heating wires are distributed around the inner periphery of the reaction kettle and electrically connected with the heating controller.
The invention at least comprises the following beneficial effects:
the grouting material for reinforcing the rock mass fracture with excellent performance can be prepared, has high consolidation strength, good stability and good wind erosion resistance, is slightly influenced by environmental temperature change and seasonal change, and can effectively improve the stability and the impermeability of the fractured rock mass;
by arranging the granular inorganic cementing materials such as cement, clay, fly ash and the like, the material is convenient and economic to obtain, the cementing material has good consolidation capability, can be directly grouted and filled in a fracture area, and can effectively improve the strength and stability of a fracture-containing rock body;
by arranging chemical grouting materials such as polyurethane, water glass, silica gel and the like, the grouting material can be used for reinforcing and preventing seepage of the micro cracks of the rock mass, has high speed, good quality and long service life, can effectively improve the anti-seepage performance of the crack-containing rock mass and improve the stability of the crack-containing rock mass.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic flow chart of a preparation method of a grouting material for rock fracture reinforcement according to the invention;
FIG. 2 is a schematic structural diagram of a reaction kettle used in the method for preparing the grouting material for reinforcing the rock mass fracture.
In fig. 2: 1 motor, 2 loading hoppers, 3 agitator tanks, 4 (mixing) shafts, 5 stirring rods, 6 barometers, 7 supercharging devices, 8 ball valves, 9 connecting pipes, 10 heating wires and 11 discharge ports.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It is to be understood that in the description of the present invention, the terms "above", "upper surface", "peripheral side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
It should be noted that the reaction kettle comprises a stirring tank 3, a stirring shaft 4, a motor 1, a plurality of stirring rods 5 and a discharge port 11, wherein the stirring shaft 4 is coaxially arranged with the stirring tank 3, the motor 1 is connected with the stirring shaft 4, the stirring rods 5 are fixed on the stirring shaft 4 at intervals, the stirring rods 5 are vertically distributed with the stirring shaft 4, and the discharge port 11 is arranged at the bottom of the stirring tank 3.
In another embodiment, the reaction kettle further comprises a pressure increasing device 7 and a barometer 6, the pressure increasing device 7 is arranged above the reaction kettle and connected with the reaction kettle through a connecting pipe 9, a ball valve 8 is arranged on the connecting pipe 9, and the barometer 6 is communicated with the reaction kettle and used for detecting the air pressure in the reaction kettle.
In another embodiment, the reaction vessel further comprises a hopper 2 disposed on an upper surface of the reaction vessel.
In another embodiment, the heating wires 10 are distributed around the inner periphery of the reaction kettle, and the heating wires 10 are electrically connected to a heating controller.
The invention provides a grouting material for reinforcing a rock mass fracture, which comprises, by weight, 10-25 parts of cement, 5-10 parts of clay, 6-12 parts of fly ash, 12-22 parts of polyurethane, 8-13 parts of water glass, 9-18 parts of silica gel, 3-6 parts of a curing agent, 5-9 parts of an expanding agent and 10-25 parts of water.
Referring to fig. 1, an embodiment of the present invention provides a schematic flow chart of a method for preparing a grouting material for rock fracture reinforcement, including the following steps:
s1, preparing related materials, mixing cement, clay, fly ash, polyurethane, water glass and silica gel, and adding the mixture into a reaction kettle, wherein the concentration range of the water glass is 35-40 Be';
s2, starting the reaction kettle, adding water, and carrying out primary stirring, wherein the stirring time is controlled to be 20-50 min, the stirring speed is controlled to be 160-280 r/min, and the reaction temperature is controlled to be 50-80 ℃;
and S3, stopping stirring for the first time, adding the curing agent and the expanding agent into the reaction kettle, starting the reaction kettle again for stirring for the second time, and stopping stirring after 20-30 min to obtain the grouting material.
In another embodiment, after the grouting material is obtained, a pressurizing device connected to the upper end of the reaction kettle is started to press out the grouting material, and the grouting material needs to be used in time to prevent the grouting material from solidifying in a short time.
In another embodiment, the curing agent is one or more of ethyl acetate, glycerol triacetate and ethylene glycol diacetate.
In another embodiment, the swelling agent is one or more of calcium sulfoaluminate swelling agent, calcium oxide swelling agent or UEA swelling agent.
It is to be noted that the test methods described in the following embodiments are, unless otherwise specified, conventional methods, and the reagents and materials, unless otherwise specified, are commercially available;
< example 1>
The grouting material for reinforcing the rock body crack comprises, by weight, 15 parts of cement, 8 parts of clay, 9 parts of fly ash, 16 parts of polyurethane, 10 parts of water glass, 14 parts of silica gel, 6 parts of a curing agent, 5 parts of an expanding agent and 25 parts of water.
< example 2>
The grouting material for reinforcing the rock body crack comprises, by weight, 25 parts of cement, 10 parts of clay, 12 parts of fly ash, 12 parts of polyurethane, 8 parts of water glass, 9 parts of silica gel, 5 parts of a curing agent, 7 parts of an expanding agent and 18 parts of water.
< example 3>
The grouting material for reinforcing the rock body crack comprises, by weight, 10 parts of cement, 5 parts of clay, 6 parts of fly ash, 22 parts of polyurethane, 13 parts of water glass, 18 parts of silica gel, 5 parts of a curing agent, 8 parts of an expanding agent and 20 parts of water.
< example 4>
A preparation method of a grouting material for reinforcing rock mass cracks comprises the following steps:
s1, mixing cement, clay, fly ash, polyurethane, water glass and silica gel according to the weight part of the embodiment 1, and adding the mixture into a reaction kettle;
s2, starting the reaction kettle, adding water, and stirring for the first time, wherein the stirring time is controlled at 20min, the stirring speed is controlled at 280r/min, and the reaction temperature is controlled at 50 ℃;
s3, stopping stirring for the first time, adding ethyl acetate and calcium sulphoaluminate expanding agents into the reaction kettle, restarting the reaction kettle to stir for the second time, and stopping stirring after 20min to obtain a grouting material;
and S4, starting a pressurizing device connected with the upper end of the reaction kettle, and extruding the grouting material which needs to be used in time to prevent the grouting material from being solidified in a short time.
< example 5>
A preparation method of a grouting material for reinforcing rock mass cracks comprises the following steps:
s1, mixing cement, clay, fly ash, polyurethane, water glass and silica gel in parts by weight according to the embodiment 2, and adding the mixture into a reaction kettle;
s2, starting the reaction kettle, adding water, and carrying out primary stirring, wherein the stirring time is controlled to be 50min, the stirring speed is controlled to be 160r/min, and the reaction temperature is controlled to be 50 ℃;
s3, stopping stirring for the first time, adding glycerol triacetate and a calcium oxide expanding agent into the reaction kettle, restarting the reaction kettle to stir for the second time, and stopping stirring after 30min to obtain a grouting material;
and S4, starting a pressurizing device connected with the upper end of the reaction kettle, and extruding the grouting material which needs to be used in time to prevent the grouting material from being solidified in a short time.
< example 6>
A preparation method of a grouting material for reinforcing rock body cracks comprises the following steps:
s1, mixing cement, clay, fly ash, polyurethane, water glass and silica gel in parts by weight according to the embodiment 2, and adding the mixture into a reaction kettle;
s2, starting the reaction kettle, adding water, and carrying out primary stirring, wherein the stirring time is controlled to be 40min, the stirring speed is controlled to be 180r/min, and the reaction temperature is controlled to be 60 ℃;
and S3, stopping the first stirring, adding ethylene glycol diacetate and UEA expanding agent into the reaction kettle, starting the reaction kettle again for second stirring, and stopping stirring after 25min to obtain the grouting material.
And S4, starting a pressurizing device connected with the upper end of the reaction kettle, and extruding the grouting material which needs to be used in time to prevent the grouting material from solidifying in a short time.
< example 7>
A preparation method of a grouting material for reinforcing rock mass cracks comprises the following steps:
s1, mixing cement, clay, fly ash, polyurethane, water glass and silica gel according to the weight part of the embodiment 3, and adding the mixture into a reaction kettle;
s2, starting the reaction kettle, adding water, and stirring for the first time, wherein the stirring time is controlled at 30min, the stirring speed is controlled at 220r/min, and the reaction temperature is controlled at 70 ℃;
s3, stopping the first stirring, adding ethylene glycol diacetate and UEA expanding agent into the reaction kettle, starting the reaction kettle again for second stirring, and stopping stirring after 28min to obtain a grouting material;
and S4, starting a pressurizing device connected with the upper end of the reaction kettle, and extruding the grouting material which needs to be used in time to prevent the grouting material from being solidified in a short time.
< comparative example 1>
The solid grain grouting material comprises, by weight, 18 parts of P.C32.5 cement, 6 parts of clay, 6 parts of class F II fly ash, 1.5 parts of curing agent, 2 parts of expanding agent, 0.2 part of water reducing agent and 20 parts of water
< comparative example 2>
The chemical grouting material comprises, by weight, 12 parts of polyurethane, 8 parts of water glass, 6 parts of silica gel, 0.6 part of tertiary amine catalyst and 0.5 part of silane coupling agent.
< test of grouting Material Properties >
The main technical indexes of the grouting materials of examples 4 to 7 and comparative examples 1 to 2 are shown in the following table, in which the compressive strength was obtained by uniaxial compressive strength test, the foaming rate was measured from the volume change, and all data were measured by the test.
The grouting material for reinforcing the rock mass fracture, which is provided by the invention, can rapidly improve the consolidation strength, shorten the initial setting time, has high foaming rate and good consolidation capability compared with the traditional solid grain grouting material, can rapidly fill and repair the fractured rock mass and enhance the reinforcing effect; compared with chemical grouting materials, the method can greatly improve the consolidation strength, enhance the consolidation effect and improve the stability of the fractured rock mass.
The invention provides a grouting material for reinforcing a rock mass fracture and a preparation method thereof, which can prepare the grouting material with excellent performance for reinforcing the rock mass fracture, and the grouting material has good consolidation capability through the arranged granular inorganic cementing materials such as cement, clay, fly ash and the like, can directly grout and fill a fracture area, and can effectively improve the strength and stability of a fracture-containing rock mass; the micro fractured regions can be filled by the arranged chemical grouting materials such as polyurethane, water glass and silica gel, so that the impermeability of the fractured rock mass can be effectively improved, and the stability of the fractured rock mass is improved; the grouting material has high consolidation strength, good stability, good wind erosion resistance, small influence by environmental temperature change and seasonal change, can effectively improve the stability and impermeability of the fractured rock mass, and can effectively reinforce the fractured rock mass.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details shown and described herein without departing from the generic concept as defined by the claims and their equivalents.
Claims (10)
1. The grouting material for reinforcing the rock mass fracture is characterized by comprising, by weight, 10-25 parts of cement, 5-10 parts of clay, 6-12 parts of fly ash, 12-22 parts of polyurethane, 8-13 parts of water glass, 9-18 parts of silica gel, 3-6 parts of a curing agent, 5-9 parts of an expanding agent and 10-25 parts of water.
2. The grouting material for rock mass fracture reinforcement as claimed in claim 1, comprising 25 parts of cement, 10 parts of clay, 12 parts of fly ash, 12 parts of polyurethane, 8 parts of water glass, 9 parts of silica gel, 6 parts of curing agent, 7 parts of expanding agent and 18 parts of water.
3. The grouting material for rock mass fracture reinforcement as claimed in claim 1, comprising 10 parts of cement, 5 parts of clay, 6 parts of fly ash, 22 parts of polyurethane, 13 parts of water glass, 18 parts of silica gel, 5 parts of curing agent, 8 parts of expanding agent and 20 parts of water.
4. A method of preparing a grouting material for rock mass fracture reinforcement as claimed in any one of claims 1 to 3, comprising the following steps in parts by weight:
s1, mixing cement, clay, fly ash, polyurethane, water glass and silica gel, and adding into a reaction kettle;
s2, starting the reaction kettle, adding water, and carrying out primary stirring, wherein the stirring time is controlled to be 20-50 min, the stirring speed is controlled to be 160-280 r/min, and the reaction temperature is controlled to be 50-80 ℃;
and S3, stopping stirring for the first time, adding the curing agent and the expanding agent into the reaction kettle, starting the reaction kettle again for stirring for the second time, and stopping stirring after 20-30 min to obtain the grouting material.
5. A method of preparing a grouting material for reinforcing a rock mass fracture as claimed in claim 4, wherein after the grouting material is obtained, a pressurizing means connected to the upper end of the reaction vessel is activated to press out the grouting material, which should be used in time to prevent it from solidifying in a short time.
6. The method of claim 4, wherein the curing agent is one or more of ethyl acetate, glycerol triacetate and ethylene glycol diacetate.
7. A method for preparing a grouting material for rock mass fracture reinforcement as claimed in claim 4, characterized in that the expanding agent is one or more of calcium sulphoaluminate expanding agent, calcium oxide expanding agent or UEA expanding agent.
8. The method for preparing a grouting material for rock mass fracture reinforcement according to claim 4, wherein the reaction kettle further comprises a pressurizing device and a barometer, the pressurizing device is arranged above the reaction kettle and connected with the reaction kettle through a connecting pipe, a ball valve is arranged on the connecting pipe, and the barometer is communicated with the reaction kettle and used for detecting the air pressure in the reaction kettle.
9. The method of preparing a grouting material for rock mass fracture reinforcement according to claim 4, wherein the reaction vessel further comprises a hopper provided on an upper surface of the reaction vessel.
10. The method for preparing a grouting material for reinforcing rock mass cracks as claimed in any one of claims 4 to 9, wherein heating wires are arranged and distributed on the inner periphery of the reaction kettle and are electrically connected with a heating controller.
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| CN202110130094.4A CN112694314B (en) | 2021-01-29 | 2021-01-29 | Grouting material for reinforcing rock mass crack and preparation method thereof |
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| CN202110130094.4A CN112694314B (en) | 2021-01-29 | 2021-01-29 | Grouting material for reinforcing rock mass crack and preparation method thereof |
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| CN113640462B (en) * | 2021-07-26 | 2022-06-21 | 中国地质大学（武汉） | Method for obtaining proportion of composite grouting material for reinforcing fractured rock mass |
| CN115558079A (en) * | 2022-10-17 | 2023-01-03 | 山西浩博瑞新材料有限公司 | Material for coal mine reinforcing coal rock mass and preparation device |
| CN116553862A (en) * | 2023-05-16 | 2023-08-08 | 燕山大学 | Soil body protection material and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB902935A (en) * | 1958-02-14 | 1962-08-09 | Hoechst Ag | Self-hardening water glass cement compositions |
| CN101607807A (en) * | 2009-07-22 | 2009-12-23 | 中国水电顾问集团华东勘测设计研究院 | A kind of polyurethane cement composite grouting material |
| CN105198333A (en) * | 2015-10-30 | 2015-12-30 | 王璐 | Modified grouting material |
| CN107382208A (en) * | 2017-08-22 | 2017-11-24 | 中国电建集团中南勘测设计研究院有限公司 | A kind of quick setting early strength mixed serum |
| CN211329356U (en) * | 2019-10-31 | 2020-08-25 | 桐乡市中德纺织助剂有限公司 | High-efficient reation kettle |
-
2021
- 2021-01-29 CN CN202110130094.4A patent/CN112694314B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB902935A (en) * | 1958-02-14 | 1962-08-09 | Hoechst Ag | Self-hardening water glass cement compositions |
| CN101607807A (en) * | 2009-07-22 | 2009-12-23 | 中国水电顾问集团华东勘测设计研究院 | A kind of polyurethane cement composite grouting material |
| CN105198333A (en) * | 2015-10-30 | 2015-12-30 | 王璐 | Modified grouting material |
| CN107382208A (en) * | 2017-08-22 | 2017-11-24 | 中国电建集团中南勘测设计研究院有限公司 | A kind of quick setting early strength mixed serum |
| CN211329356U (en) * | 2019-10-31 | 2020-08-25 | 桐乡市中德纺织助剂有限公司 | High-efficient reation kettle |
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