CN109694231A - A kind of phosphorus magnesia-based cements gunite material and its preparation method and application - Google Patents
A kind of phosphorus magnesia-based cements gunite material and its preparation method and application Download PDFInfo
- Publication number
- CN109694231A CN109694231A CN201910133678.XA CN201910133678A CN109694231A CN 109694231 A CN109694231 A CN 109694231A CN 201910133678 A CN201910133678 A CN 201910133678A CN 109694231 A CN109694231 A CN 109694231A
- Authority
- CN
- China
- Prior art keywords
- sand
- gunite
- gunite material
- water
- based cements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- C04B28/34—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 cold phosphate binders
- C04B28/344—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 cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
-
- 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
- C04B28/34—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 cold phosphate binders
- C04B28/346—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 cold phosphate binders the phosphate binder being present in the starting composition as a mixture of free acid and one or more phosphates
- C04B28/348—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 cold phosphate binders the phosphate binder being present in the starting composition as a mixture of free acid and one or more phosphates the starting mixture also containing one or more reactive oxides
-
- 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
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
- C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of phosphorus magnesia-based cements gunite material and its preparation method and application, belongs to gunite material technical applications.The gunite material is made of the material that following weight parts match, 40~70 parts of compound magnesium compound, and 0.5~3 part of compound retarder, 0.3~0.8 part of water-reducing agent, 10~40 parts of phosphate, 0.5~1.5 part of tackifier, 0.3~0.7 part of fiber.Weigh in proportion and mix is blended according to the ratio of 1:3 with sand after gunite material, wherein sand is middle sand or coarse sand: fine sand is the mixed sand of 4:1, then will be mixed into slurries by 100:15~30 with water again after gunite material and sand mix, after mixing to obtain the final product.The advantages that phosphorus magnesia-based cements gunite material of the present invention has early strength high, and resistance to compression, High anti bending strength, rebound degree is low, and cohesiveness is good, without dust pollution, and supporting intensity is high, and workability, impermeability are good, low in cost, easy for construction simple, environmentally protective.
Description
Technical field
The invention belongs to gunite material technical applications more particularly to a kind of phosphorus magnesia-based cements gunite material and preparation sides
Method and application.
Background technique
With taking place frequently for the disasters such as landslide in recent years, mud-rock flow, roadway collapse, rock is fallen, local collapse, before calamity
Rapid-Repair problem is more paid close attention to after prevention and calamity.Using concrete-spraying technology carry out side slope maintenance, surrounding rock supporting,
Roadway repair reinforcing, leak stopping, road pipeline quick-speed first-aid repair, which are reinforced to be undoubtedly, solves the problems, such as this best way.Gunite concrete is to use
In a kind of concrete with rapid hardening property for reinforcing and protecting structure or rock surface.
Now, the high-intensitive bolt-spary supports technique generallyd use occupies an important position in China's coal-mine production, still
With the increase of mining depth, roadway surrounding rock intensity and integrality gradually decreased, stability decline, and supporting is followed up boring head
It is required that enhancing, to bolt-spary supports, more stringent requirements are proposed for this, at present gunite there are the problem of have:
1. spray-up problem of Cracking, the reason is that spray-up material lacking toughness itself, to cause cracking, explosion or monolith de-
It falls.
2. spray-up delamination problems, the reason is that caused by material is low with the adhesiveness at interface.
3. gunite material rebound degree is up to 35-40%, cohesiveness is poor, causes the waste for largely landing material, and mortar condensation is slow,
Support action plays slow.
4. dust concentration is big, serious to pollute underground air and operating environment, influence to be kept the safety in production and endangered worker's body
Heart health.
5. ingredient and performance are single, rigid component is in the majority in ingredient, and material stiffness brittleness is big, and flexible insufficient, compactness is poor,
It is easy to that traditional gunite material cracking is caused to fall off, then causes the hidden danger such as percolating water, gas overflowing, supporting mortar collapsing.
6. shotcreting process is difficult to hold, scene mixes mix ratio and is not easy to grasp, and arbitrariness is also big for worker operation, and quality controls difficulty
Greatly.
The existing above Railway Project, just can guarantee supporting effect of roadway, keeps tunnel during urgent need to resolve whitewashing
Steadily in the long term.It is slow also to can solve support speed simultaneously, occupancy support time is long and the existing rebound of gunite, dust are asked
Topic.
Chinese patent CN100591502 discloses " dry mixing gunite material in use for underworkings of coal mine and preparation method ", it is
It is mixed into gunite material using cement, quartz sand or mountain flour, calcium carbonate, cellulose, fiber etc., there is lightweight, high-strength, high
Cohesive force, advantage easy for construction, but it is with high costs, and live adjustability is poor, it is difficult to meet current engineering demand, is difficult
It is widely applied.
Chinese patent CN105110718B discloses that " the underground bolting with wire mesh of a kind of high fly as contained and gangue is with dry-mixed
Gunite material ", it is by pollutant flyash, gangue, slag powders and waste material SILICA FUME and cement, silica, naphthalene system
Water-reducing agent, polypropylene fibre composition, guarantee the durability and chronicity of concrete spray coating, improve adhesion strength, solve waste
The problem of resource, pollution environment, but the material early strength is poor, onset time is long, it is difficult to meet the requirement of rapid construction,
And permeability deficiency causes repairing range small, repairs scarce capacity for deep layer crackle and narrow hair check.
Chinese patent CN103708782A discloses " a kind of concrete spraying material ", it be by cement, sand, stone,
Polymer, flyash, silicon powder, high efficiency water reducing agent and accelerator composition, by the way that polymer and other additions are added in Gunning material
Material, still keeps preferable suspended state by dry mixing material, basic guarantee gunite material component does not separate, really in pipeline
Protect the proportion for spraying material.But the deep layer extended capability of such product is poor, poor permeability, and repeatedly construction is needed when site operation, is taken
When expenses of labour.
Therefore, developing one kind overcomes existing traditional gunite material poor toughness, bad adhesion, rebound degree height, landing material more, easy
Cracking, dust are big, do not have the novel spraying material of anti-seep water and gas prevention leakage function, will pacify to improvement coal mine, tunnel
Full production, massif disaster prevention and reconstruction are played the role of very important.
Summary of the invention
Aiming at the shortcomings in the prior art, the present invention provides a kind of phosphorus magnesia-based cements gunite material and preparation method thereof and answers
With, the phosphorus magnesia-based cements gunite material that the present invention is prepared has early strength high, and resistance to compression, High anti bending strength, rebound degree is low,
Cohesiveness is good, without dust pollution, and supporting intensity is high, workability, it is impervious good the advantages that, can be widely applied to side slope and repair
Shield, surrounding rock supporting, roadway repair reinforcing, leak stopping, in road pipeline quick-speed first-aid repair, while low in cost, easy for construction simple, green ring
It protects.
One of the objects of the present invention is to provide a kind of phosphorus magnesia-based cements gunite materials.
The second object of the present invention is to provide the preparation method of above-mentioned phosphorus magnesia-based cements gunite material.
The third object of the present invention is to provide the application of above-mentioned phosphorus magnesia-based cements gunite material.
To achieve the above object, the present invention relates to following technical schemes:
The first aspect of the invention provides a kind of phosphorus magnesia-based cements gunite material, the material matched by following weight parts
Be made: 40~70 parts of compound magnesium compound, 0.3~0.8 part of water-reducing agent, 10~40 parts of phosphate, increases by 0.5~3 part of compound retarder
0.5~1.5 part of stick, 0.3~0.7 part of fiber.
Preferably, the compound magnesium compound is the mixture of at least one of magnesium hydroxide, magnesium phosphate and magnesia.
Preferably, the compound retarder is at least two in urea, boric acid, borax, triethanolamine and sodium tripolyphosphate
Kind.
Preferably, the water-reducing agent be ligno-sulfate based plasticizer, sulfamate water reducer, polycarboxylate water-reducer and
At least one of naphthalene water-reducing agent.
Preferably, the phosphate are as follows: diammonium hydrogen phosphate, ammonium dihydrogen phosphate, dipotassium hydrogen phosphate, in potassium dihydrogen phosphate extremely
Few one kind.
Preferably, the tackifier are in cellulose ether, concave convex rod, guar gum, xanthan gum, polyurethane and polyacrylamide
At least one.
Preferably, the fiber is at least one of glass fibre, polypropylene fibre, and length is 10~30mm.
Preferably, the phosphorus magnesia-based cements gunite material is made of the material that following weight parts match: 55 parts of magnesia,
15 parts of magnesium hydroxide, 1.5 parts of borax, 0.5 part of naphthalene water-reducing agent, 10 parts of diammonium hydrogen phosphate, 0.5 part of polyurethane, glass fibre 0.7
Part；
Preferably, the phosphorus magnesia-based cements gunite material is made of the material that following weight parts match: 20 parts of magnesium phosphate,
20 parts of magnesia, 1 part of boric acid, 0.3 part of polycarboxylate water-reducer, 40 parts of potassium dihydrogen phosphate, 0.8 part of cellulose ether, polypropylene fibre
0.3 part；
Preferably, the phosphorus magnesia-based cements gunite material is made of the material that following weight parts match: 25 parts of magnesia,
30 parts of magnesium hydroxide, 3 parts of sodium tripolyphosphate, 0.8 part of sulfamate water reducer, 30 parts of ammonium dihydrogen phosphate, 1.5 parts of guar gum,
0.5 part of glass fibre.
The second aspect of the invention provides the preparation method of above-mentioned phosphorus magnesia-based cements gunite material, comprising:
S1. prepared by gunite material: each raw material of phosphorus magnesia-based cements gunite material is weighed in proportion, it is spare after mixing evenly；
S2. mix is blended with sand: by step S1 mix after gunite material and sand according to 1:1~3 ratio mix；
S3. mixed with water: by gunite material with after sand mix again with water by the mass ratio of 100:15~30 mixing be slurried
Liquid carries out spray operation after mixing.
Preferably, in the step S2, the sand is middle sand or coarse sand: fine sand is the mixed sand of 4:1.
The third aspect of the invention provides phosphorus magnesia-based cements gunite material in side slope maintenance, surrounding rock supporting, roadway repair
Reinforcing, leak stopping, the application of road pipeline quick-speed first-aid repair.
The invention has the benefit that
1, early strength is high, has stronger resistance to compression, flexural strength, and 28d compression strength reaches 25MPa or more, has fast
The short feature of hard solidification, final setting time；
2, adhesion strength is strong, and rebound degree is low, and cohesiveness is good, and supporting intensity is high, improves the utilization rate of gunite material, avoids a large amount of
The waste of material, without dust pollution are landed, rebound degree is reduced to 4%-8% by the 35~40% of normal concrete, saves whitewashing material
Material, improves benefit；
3, stability is good, and long period storage at normal temperatures and pressures does not change its fundamental property, is not changed by temperature humidity
Influence, storage period is long, and material is environmentally protective, construction technology is simple, raw materials used to be commercially available, and does not need to process
Processing, low in cost, environmentally protective, use condition is wide in range, is more advantageous to popularization and application；
4, the present invention is mainly solved the above problems by the following aspects, meets engine request:
(1) magnesium compounds such as magnesium hydroxide and magnesium phosphate are introduced to be used in conjunction with magnesia, makes up single oxygen in conventional formulation
The performance for changing magnesium is insufficient, improves early strength, adjusts hydration heat amount, meets the normal use of severe cold area；
(2) gunite material cohesiveness and cohesive force are improved to increase viscosity using tackifier, reduces rebound degree；
(3) use water-reducing agent, meet water after it is tacky, improve use the serious forgiveness of product slurry, with solve site operation grasp
Make that error is big and the practical problem that causes performance to decline；
(4) glass fibre and polypropylene fibre are used, the buckle resistance energy of material is increased；
(5) preparation method of the present invention is simple, it is high-efficient, practical to block, easy to spread.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As previously mentioned, the generally existing poor toughness of tradition gunite material, bad adhesion, rebound degree are high, more, Yi Kai is expected in landing
It splits, dust is big, does not have the disadvantages of anti-seep water and gas prevention leakage function.
In view of this, a kind of phosphorus magnesia-based cements gunite material is provided, by following in a kind of specific embodiment of the invention
The material of weight is made: 40~70 parts of compound magnesium compound, and 0.5~3 part of compound retarder, 0.3~0.8 part of water-reducing agent,
10~40 parts of phosphate, 0.5~1.5 part of tackifier, 0.3~0.7 part of fiber.
In still another embodiment of the invention, the compound magnesium compound is magnesium hydroxide, at least one in magnesium phosphate
The mixture of kind and magnesia；It introduces the magnesium compounds such as magnesium hydroxide and magnesium phosphate to be used in conjunction with magnesia, makes up conventional formulation
In single magnesia performance it is insufficient, improve early strength, adjust hydration heat amount, meet the normal use of severe cold area；
In still another embodiment of the invention, the compound retarder be urea, boric acid, borax, triethanolamine and
At least two in sodium tripolyphosphate.
In still another embodiment of the invention, the water-reducing agent is ligno-sulfate based plasticizer, sulfamate
At least one of water-reducing agent, polycarboxylate water-reducer and naphthalene water-reducing agent；So as to improve the use serious forgiveness of product slurry, with
The practical problem that solution on-site construction operations error is big and performance is caused to decline.
In still another embodiment of the invention, the phosphate are as follows: diammonium hydrogen phosphate, ammonium dihydrogen phosphate, phosphoric acid hydrogen
At least one of dipotassium, potassium dihydrogen phosphate.
In still another embodiment of the invention, the tackifier be cellulose ether, concave convex rod, guar gum, xanthan gum,
At least one of polyurethane and polyacrylamide can increase viscosity by using above-mentioned tackifier, and it is viscous to improve gunite material
Poly- property and cohesive force reduce rebound degree；
In still another embodiment of the invention, the fiber be at least one of glass fibre, polypropylene fibre,
Length is 10~30mm；To effectively increase the buckle resistance energy of material；
In still another embodiment of the invention, the phosphorus magnesia-based cements gunite material, by following weight parts proportion
Material is made: 55 parts of magnesia, 15 parts of magnesium hydroxide, and 1.5 parts of borax, 0.5 part of naphthalene water-reducing agent, 10 parts of diammonium hydrogen phosphate, poly- ammonia
0.5 part of ester, 0.7 part of glass fibre；
In still another embodiment of the invention, the phosphorus magnesia-based cements gunite material, by following weight parts proportion
Material is made: 20 parts of magnesium phosphate, 20 parts of magnesia, and 1 part of boric acid, 0.3 part of polycarboxylate water-reducer, 40 parts of potassium dihydrogen phosphate, fiber
0.8 part of plain ether, 0.3 part of polypropylene fibre；
In still another embodiment of the invention, the phosphorus magnesia-based cements gunite material, by following weight parts proportion
Material is made: 25 parts of magnesia, 30 parts of magnesium hydroxide, and 3 parts of sodium tripolyphosphate, 0.8 part of sulfamate water reducer, biphosphate
30 parts of ammonium, 1.5 parts of guar gum, 0.5 part of glass fibre.
In still another embodiment of the invention, the preparation method of above-mentioned phosphorus magnesia-based cements gunite material is provided, comprising:
S1. prepared by gunite material: each raw material of phosphorus magnesia-based cements gunite material is weighed in proportion, it is spare after mixing evenly；
S2. mix is blended with sand: by step S1 mix after gunite material and sand according to 1:1~3 ratio mix；
S3. mixed with water: by gunite material with after sand mix again with water by the mass ratio of 100:15~30 mixing be slurried
Liquid carries out spray operation after mixing.
In still another embodiment of the invention, in the step S2, the sand is middle sand or coarse sand: fine sand 4:
1 mixed sand.
In still another embodiment of the invention, provide phosphorus magnesia-based cements gunite material side slope maintenance, surrounding rock supporting,
Roadway repair reinforcing, leak stopping, the application of road pipeline quick-speed first-aid repair.
Explanation is further explained to the present invention by the following examples, but is not construed as limiting the invention.It should be understood that
These examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.Actual conditions are not specified in the following example
Test method, carry out usually according to normal condition.Wherein, coarse sand fineness modulus be 3.7-3.1, average grain diameter be 0.5mm with
On；Middle grain fineness number modulus is 3.0-2.3, average grain diameter 0.5-0.35mm；Fine sand fineness modulus is 2.2-1.6, average grain diameter
For 0.35-0.25mm.
Embodiment 1
(1) prepared by gunite material: accurately weigh 55 parts of magnesia, 15 parts of magnesium hydroxide, and 1.5 parts of borax, sodium tripolyphosphate
It is 0.5 part, 0.5 part of naphthalene water-reducing agent, 10 parts of diammonium hydrogen phosphate, 0.5 part of polyurethane, 0.7 part of glass fibre, spare after mixing evenly；
(2) mix is blended with sand: by gunite material and sand according to the ratio mix of 1:3, wherein sand is coarse sand: fine sand 4:
1 mixed sand；
(3) it is mixed with water: slurries will be mixed by 100:15 with water again after gunite material and sand mix, be uniformly mixed
After carry out spray operation.
The measurement of gunite material injection rebound degree: add the water adjustment mortar slump between 8-10cm, under metope of whitewashing
It places against rock foundation with a thickness of one piece of plastic cloth of 8mm, area is not less than 5m2, connect the concrete under scar ejection.
Through field test, the dust content in work progress is reduced, rebound degree is reduced by the 30% of traditional gunite material
To 3%-7%；The self weight of novel spraying material substantially reduces, and reduces 30-40% than traditional gunite material；Adhesion strength greatly improves.
Embodiment 2
(1) prepared by gunite material: accurately weigh 20 parts of magnesium phosphate, 20 parts of magnesia, and 1 part of boric acid, 1 part of borax, polycarboxylic acids
It is 0.3 part of water-reducing agent, 40 parts of potassium dihydrogen phosphate, 0.8 part of cellulose ether, 0.3 part of polypropylene fibre, spare after mixing evenly；
(2) mix is blended with sand: by gunite material and sand according to 1:1 ratio mix, wherein sand is middle sand；
(3) it is mixed with water: slurries will be mixed by 100:30 with water again after gunite material and sand mix, be uniformly mixed
After carry out spray operation.
The measurement of gunite material injection rebound degree: add the water adjustment mortar slump between 8-10cm, under metope of whitewashing
It places against rock foundation with a thickness of one piece of plastic cloth of 8mm, area is not less than 5m2, connect the concrete under scar ejection.
Through field test, the dust content in work progress is reduced, rebound degree is reduced by the 35% of traditional gunite material
To 3.5%-9%；The self weight of novel spraying material substantially reduces, and reduces 33-42% than traditional gunite material；Adhesion strength mentions significantly
It is high.
Embodiment 3
(1) prepared by gunite material: accurately weigh 25 parts of magnesia, 30 parts of magnesium hydroxide, and 1 part of triethanolamine, tripolyphosphate
It 2 parts of sodium, 0.8 part of sulfamate water reducer, 30 parts of ammonium dihydrogen phosphate, 1.5 parts of guar gum, 0.5 part of glass fibre, stirs evenly
It is spare afterwards；
(2) mix is blended with sand: by gunite material and sand according to 1:2 ratio mix, wherein sand is middle sand；
(3) it is mixed with water: slurries will be mixed by 100:25 with water again after gunite material and sand mix, be uniformly mixed
After carry out spray operation.
The measurement of gunite material injection rebound degree: add the water adjustment mortar slump between 8-10cm, under metope of whitewashing
It places against rock foundation with a thickness of one piece of plastic cloth of 8mm, area is not less than 5m2, connect the concrete under scar ejection.
Through field test, the dust content in work progress is reduced, rebound degree is reduced by the 40% of traditional gunite material
To 2%-6%；The self weight of novel spraying material substantially reduces, and reduces 28-36% than traditional gunite material；Adhesion strength greatly improves.
Experimental example 1
(1) prepared by gunite material: accurately weigh 60 parts of magnesium phosphate, 20 parts of magnesium hydroxide, and 2 parts of borax, naphthalene water-reducing agent 0.5
Part, it is 10 parts of diammonium hydrogen phosphate, 0.5 part of polyurethane, 0.7 part of glass fibre, spare after mixing evenly；
(2) mix is blended with sand: by gunite material and sand according to the ratio mix of 1:3, wherein sand is coarse sand: fine sand 4:
1 mixed sand；
(3) it is mixed with water: slurries will be mixed by 100:15 with water again after gunite material and sand mix, be uniformly mixed
After carry out spray operation.
The measurement of gunite material injection rebound degree: add the water adjustment mortar slump between 8-10cm, under metope of whitewashing
It places against rock foundation with a thickness of one piece of plastic cloth of 8mm, area is not less than 5m2, connect the concrete under scar ejection.
Through field test, the dust content in work progress is reduced, rebound degree is reduced by the 30% of traditional gunite material
To 18%-24%；The self weight of novel spraying material reduces, and reduces 15-25% than traditional gunite material；Adhesion strength increases.
Experimental example 2
(1) prepared by gunite material: accurately weigh 10 parts of magnesium carbonate, 20 parts of magnesia, and 1 part of boric acid, 1 part of borax, polycarboxylic acids
It is 0.3 part of water-reducing agent, 40 parts of potassium dihydrogen phosphate, 0.8 part of cellulose ether, 0.3 part of polypropylene fibre, spare after mixing evenly；
(2) mix is blended with sand: by gunite material and sand according to 1:1 ratio mix, wherein sand is middle sand；
(3) it is mixed with water: slurries will be mixed by 100:30 with water again after gunite material and sand mix, be uniformly mixed
After carry out spray operation.
The measurement of gunite material injection rebound degree: add the water adjustment mortar slump between 8-10cm, under metope of whitewashing
It places against rock foundation with a thickness of one piece of plastic cloth of 8mm, area is not less than 5m2, connect the concrete under scar ejection.
Through field test, the dust content in work progress is reduced, rebound degree is reduced by the 35% of traditional gunite material
To 23%-28%；The self weight of novel spraying material reduces, and reduces 32-39% than traditional gunite material；Adhesion strength increases.
Experimental example 3
(1) prepared by gunite material: accurately weigh 55 parts of magnesia, 3 parts of triethanolamine, and 0.8 part of sulfamate water reducer,
It is 30 parts of ammonium dihydrogen phosphate, 1.5 parts of guar gum, 0.5 part of glass fibre, spare after mixing evenly；
(2) mix is blended with sand: by gunite material and sand according to 1:2 ratio mix, wherein sand is middle sand；
(3) it is mixed with water: slurries will be mixed by 100:25 with water again after gunite material and sand mix, be uniformly mixed
After carry out spray operation.
The measurement of gunite material injection rebound degree: add the water adjustment mortar slump between 8-10cm, under metope of whitewashing
It places against rock foundation with a thickness of one piece of plastic cloth of 8mm, area is not less than 5m2, connect the concrete under scar ejection.
Through field test, the dust content in work progress is reduced, rebound degree is reduced by the 40% of traditional gunite material
To 23%-28%；The self weight of novel spraying material substantially reduces, and reduces 26-32% than traditional gunite material；Adhesion strength is mentioned
It is high.
It should be noted that above example is only used to illustrate the technical scheme of the present invention rather than is limited.Although ginseng
It is described the invention in detail according to given example, but those skilled in the art can be as needed to this hair
Bright technical solution is modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of phosphorus magnesia-based cements gunite material, which is characterized in that be made of the material that following weight parts match: compound magnesium compound
40~70 parts, 0.5~3 part of compound retarder, 0.3~0.8 part of water-reducing agent, 10~40 parts of phosphate, 0.5~1.5 part of tackifier,
0.3~0.7 part of fiber.
2. a kind of phosphorus magnesia-based cements gunite material as described in claim 1, which is characterized in that the compound magnesium compound is hydrogen-oxygen
Change the mixture of at least one of magnesium, magnesium phosphate with magnesia.
3. a kind of phosphorus magnesia-based cements gunite material as described in claim 1, which is characterized in that the compound retarder is urine
At least two in element, boric acid, borax, triethanolamine and sodium tripolyphosphate.
4. a kind of phosphorus magnesia-based cements gunite material as described in claim 1, which is characterized in that the water-reducing agent is sulfomethylated lignin
At least one of hydrochlorate water-reducing agent, sulfamate water reducer, polycarboxylate water-reducer and naphthalene water-reducing agent.
5. a kind of phosphorus magnesia-based cements gunite material as described in claim 1, which is characterized in that the phosphate are as follows: phosphoric acid hydrogen
At least one of diammonium, ammonium dihydrogen phosphate, dipotassium hydrogen phosphate, potassium dihydrogen phosphate.
6. a kind of phosphorus magnesia-based cements gunite material as described in claim 1, which is characterized in that the tackifier are cellulose
At least one of ether, concave convex rod, guar gum, xanthan gum, polyurethane and polyacrylamide.
7. a kind of phosphorus magnesia-based cements gunite material as described in claim 1, which is characterized in that the fiber be glass fibre,
At least one of polypropylene fibre, length are 10~30mm.
8. the preparation method of any one of the claim 1-7 phosphorus magnesia-based cements gunite material characterized by comprising
S1. prepared by gunite material: each raw material of phosphorus magnesia-based cements gunite material is weighed in proportion, it is spare after mixing evenly；
S2. mix is blended with sand: by step S1 mix after gunite material and sand according to 1:1~3 ratio mix；
S3. it is mixed with water: slurries will be mixed by the mass ratio of 100:15~30 with water again after gunite material and sand mix, mixed
After closing uniformly to obtain the final product.
9. a kind of preparation method as claimed in claim 8, which is characterized in that in the step S2, sand is middle sand or coarse sand: thin
Sand is the mixed sand of 4:1.
10. any one of any one of the claim 1-7 phosphorus magnesia-based cements gunite material and/or claim 8-9 preparation
Method obtains phosphorus magnesia-based cements gunite material in side slope maintenance, surrounding rock supporting, roadway repair reinforcing, leak stopping, road pipeline quick-speed first-aid repair
Application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133678.XA CN109694231B (en) | 2019-02-22 | 2019-02-22 | Phosphorus-magnesium-based cement guniting material and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133678.XA CN109694231B (en) | 2019-02-22 | 2019-02-22 | Phosphorus-magnesium-based cement guniting material and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109694231A true CN109694231A (en) | 2019-04-30 |
| CN109694231B CN109694231B (en) | 2021-11-05 |
Family
ID=66233652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910133678.XA Active CN109694231B (en) | 2019-02-22 | 2019-02-22 | Phosphorus-magnesium-based cement guniting material and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109694231B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047708A (en) * | 2020-09-03 | 2020-12-08 | 淮安市博彦土木工程科学研究院有限公司 | Sprayed concrete and construction method thereof |
| CN112778973A (en) * | 2019-11-07 | 2021-05-11 | 广州普凯环保科技有限公司 | Coal pile rainproof dust suppressant and preparation method and application thereof |
| CN112983479A (en) * | 2021-02-23 | 2021-06-18 | 陕西煤业化工技术研究院有限责任公司 | Roadway surrounding rock sealing protection method |
| KR20230066686A (en) * | 2021-11-08 | 2023-05-16 | 인천국제공항공사 | Additive for magnesia phosphate ceramic binder, magnesia phosphate ceramic binder, and super-velocity magnesia phosphate ceramic modified concrete containing the same |
| CN116535178A (en) * | 2023-05-22 | 2023-08-04 | 中国铁建港航局集团有限公司 | Foundation reinforcement material based on jet grouting and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06144903A (en) * | 1991-03-15 | 1994-05-24 | Taisei Corp | Production of shotcrete |
| CN103113063A (en) * | 2013-02-08 | 2013-05-22 | 上海泛欧建筑材料有限公司 | Sprayable reinforcing material for concrete structure reinforcement and preparation method thereof |
| CN104328924A (en) * | 2014-11-03 | 2015-02-04 | 中冶建筑研究总院有限公司 | Method for reinforcing concrete structural part through fiber grid ribs and early-strength self-compacting mortar |
| CN104803655A (en) * | 2015-04-16 | 2015-07-29 | 同济大学 | Method for producing cement-based composite material for injection reinforcement from waste incineration fly ash |
| CN106007451A (en) * | 2016-05-19 | 2016-10-12 | 中煤第五建设有限公司第二工程处 | Method for lowering rebound rate of coal mine downhole shotcrete |
| CN106082766A (en) * | 2016-05-31 | 2016-11-09 | 中国科学院武汉岩土力学研究所 | A kind of water conservation for wet shotcreting viscosifies additive |
| CN107986671A (en) * | 2017-12-08 | 2018-05-04 | 江苏苏博特新材料股份有限公司 | A kind of low rebound, anti-corrosion type gunite concrete specific complex admixture and application |
| CN108002802A (en) * | 2017-12-04 | 2018-05-08 | 山东创能机械科技有限公司 | A kind of New Phosphorus magnesia-based cements injecting paste material and preparation method |
-
2019
- 2019-02-22 CN CN201910133678.XA patent/CN109694231B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06144903A (en) * | 1991-03-15 | 1994-05-24 | Taisei Corp | Production of shotcrete |
| CN103113063A (en) * | 2013-02-08 | 2013-05-22 | 上海泛欧建筑材料有限公司 | Sprayable reinforcing material for concrete structure reinforcement and preparation method thereof |
| CN104328924A (en) * | 2014-11-03 | 2015-02-04 | 中冶建筑研究总院有限公司 | Method for reinforcing concrete structural part through fiber grid ribs and early-strength self-compacting mortar |
| CN104803655A (en) * | 2015-04-16 | 2015-07-29 | 同济大学 | Method for producing cement-based composite material for injection reinforcement from waste incineration fly ash |
| CN106007451A (en) * | 2016-05-19 | 2016-10-12 | 中煤第五建设有限公司第二工程处 | Method for lowering rebound rate of coal mine downhole shotcrete |
| CN106082766A (en) * | 2016-05-31 | 2016-11-09 | 中国科学院武汉岩土力学研究所 | A kind of water conservation for wet shotcreting viscosifies additive |
| CN108002802A (en) * | 2017-12-04 | 2018-05-08 | 山东创能机械科技有限公司 | A kind of New Phosphorus magnesia-based cements injecting paste material and preparation method |
| CN107986671A (en) * | 2017-12-08 | 2018-05-04 | 江苏苏博特新材料股份有限公司 | A kind of low rebound, anti-corrosion type gunite concrete specific complex admixture and application |
Non-Patent Citations (2)
| Title |
|---|
| 晓倩: "《土木工程材料》", 30 June 2014, 武汉大学出版社 * |
| 辽宁省公路学会: "《2010辽宁省公路学会学术论文集》", 31 July 2010, 东北大学出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112778973A (en) * | 2019-11-07 | 2021-05-11 | 广州普凯环保科技有限公司 | Coal pile rainproof dust suppressant and preparation method and application thereof |
| CN112778973B (en) * | 2019-11-07 | 2023-10-20 | 广州普凯热伏微能源科技有限公司 | Coal pile rainproof dust suppressant and preparation method and application thereof |
| CN112047708A (en) * | 2020-09-03 | 2020-12-08 | 淮安市博彦土木工程科学研究院有限公司 | Sprayed concrete and construction method thereof |
| CN112047708B (en) * | 2020-09-03 | 2021-05-07 | 淮安市博彦土木工程科学研究院有限公司 | Sprayed concrete and construction method thereof |
| CN112983479A (en) * | 2021-02-23 | 2021-06-18 | 陕西煤业化工技术研究院有限责任公司 | Roadway surrounding rock sealing protection method |
| KR20230066686A (en) * | 2021-11-08 | 2023-05-16 | 인천국제공항공사 | Additive for magnesia phosphate ceramic binder, magnesia phosphate ceramic binder, and super-velocity magnesia phosphate ceramic modified concrete containing the same |
| KR102660677B1 (en) * | 2021-11-08 | 2024-04-26 | 인천국제공항공사 | Additive for magnesia phosphate ceramic binder, magnesia phosphate ceramic binder, and super-velocity magnesia phosphate ceramic modified concrete containing the same |
| CN116535178A (en) * | 2023-05-22 | 2023-08-04 | 中国铁建港航局集团有限公司 | Foundation reinforcement material based on jet grouting and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109694231B (en) | 2021-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109694231A (en) | A kind of phosphorus magnesia-based cements gunite material and its preparation method and application | |
| CN108002802B (en) | A kind of phosphorus magnesia-based cements injecting paste material and preparation method | |
| CN111533517B (en) | Rapid repair mortar for high-speed railway concrete track slab and preparation method thereof | |
| CN101817656B (en) | Post stressed concrete beam pipe mudjacking agent | |
| CN105801017B (en) | Room temperature maintaining Reactive Powder Concrete and preparation method thereof | |
| CN108609954B (en) | Low-viscosity anti-cracking high-strength wet-sprayed concrete and preparation method thereof | |
| CN101830664B (en) | Prestressing anchoring and grouting material additive, as well as preparation method and application thereof | |
| CN101830684A (en) | Super early strength polymer rapid-patching motar material | |
| CN107162538B (en) | A kind of binding material using polymer modification sulphoaluminate cement base | |
| CN112174617A (en) | Sleeve grouting material for connecting reinforcing steel bars and preparation method and application thereof | |
| CN112047666B (en) | Alkali-activated blast furnace ferronickel slag sprayed concrete | |
| CN107651893B (en) | Radiation-proof decorative cement | |
| CN112500056B (en) | Superfine solid waste base grouting material and preparation method thereof | |
| CN111574099A (en) | Hollow anchor rod grouting material additive, preparation method and application | |
| CN114213094B (en) | Regenerated ceramic powder geopolymer repair mortar and preparation method thereof | |
| JP5941299B2 (en) | Spraying material and spraying method using the same | |
| CN110451840B (en) | Composite type compacting agent | |
| CN115057670A (en) | Fast-hardening high-ductility inorganic sealing mortar | |
| CN111439973A (en) | Cement-based grouting material and preparation method and application thereof | |
| CN108395126B (en) | Anti-seepage leak-stopping material and application thereof in hydraulic engineering | |
| CN112608122B (en) | Micro-expansive epoxy emulsion modified self-compacting concrete for composite lining structure | |
| CN107628790B (en) | Decorative cement | |
| Jamaa et al. | Effect of accelerators on the long-term performance of shotcrete and its improvement strategies: A review | |
| CN112939542A (en) | High-strength, quick-setting and expansion type multipurpose grouting material and preparation and application methods thereof | |
| CN116396051A (en) | Impervious early-strength sprayed concrete and application thereof in super-excavation water seepage working condition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230830 Address after: Building 10, Building 3, Shandong Surveying and Mapping Geographic Information Industrial Park, No. 1369 Zhengtai Road, Fenghuang Street, Fangzi District, Weifang City, Shandong Province, 261206 Patentee after: Shandong Talos Intelligent Equipment Co.,Ltd. Address before: 250101 3 / F, university scientific research achievement transformation service center, 1399 Tongfa Avenue, economic development zone, Jinan, Shandong Province Patentee before: SHANDONG CHUANGNENG MACHINERY TECHNOLOGY Co.,Ltd. |