CN117430384A - Quick-drying concrete material for road surface leakage stoppage and preparation method thereof - Google Patents
Quick-drying concrete material for road surface leakage stoppage and preparation method thereof Download PDFInfo
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- CN117430384A CN117430384A CN202311348607.4A CN202311348607A CN117430384A CN 117430384 A CN117430384 A CN 117430384A CN 202311348607 A CN202311348607 A CN 202311348607A CN 117430384 A CN117430384 A CN 117430384A
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- 239000004567 concrete Substances 0.000 title claims abstract description 99
- 239000000463 material Substances 0.000 title claims abstract description 42
- 238000001035 drying Methods 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims abstract description 21
- 239000000701 coagulant Substances 0.000 claims abstract description 16
- 239000000853 adhesive Substances 0.000 claims abstract description 14
- 230000001070 adhesive effect Effects 0.000 claims abstract description 14
- 239000002274 desiccant Substances 0.000 claims abstract description 14
- 239000010881 fly ash Substances 0.000 claims abstract description 14
- 239000003469 silicate cement Substances 0.000 claims abstract description 14
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 13
- 229920000098 polyolefin Polymers 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 36
- 238000002156 mixing Methods 0.000 claims description 24
- 239000000654 additive Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 12
- 239000003963 antioxidant agent Substances 0.000 claims description 12
- 230000003078 antioxidant effect Effects 0.000 claims description 12
- 239000004917 carbon fiber Substances 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 229920000609 methyl cellulose Polymers 0.000 claims description 12
- 239000001923 methylcellulose Substances 0.000 claims description 12
- 235000010981 methylcellulose Nutrition 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 11
- 230000000996 additive effect Effects 0.000 claims description 10
- 238000012216 screening Methods 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 230000015271 coagulation Effects 0.000 claims description 8
- 238000005345 coagulation Methods 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 5
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229920002907 Guar gum Polymers 0.000 claims description 3
- 239000000665 guar gum Substances 0.000 claims description 3
- 229960002154 guar gum Drugs 0.000 claims description 3
- 235000010417 guar gum Nutrition 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 239000013505 freshwater Substances 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000004566 building material Substances 0.000 description 2
- 239000011381 foam concrete Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/22—Glass ; Devitrified glass
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0048—Fibrous materials
- C04B20/0068—Composite fibres, e.g. fibres with a core and sheath of different material
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
- C04B22/142—Sulfates
- C04B22/143—Calcium-sulfate
-
- 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
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
- C04B2111/72—Repairing or restoring existing buildings or building materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Composite Materials (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a quick-drying concrete material for road surface leakage stoppage and a preparation method thereof, wherein the quick-drying concrete material comprises the following components in parts by weight: 80-120 parts of silicate cement clinker; 30-60 parts of fly ash; 1-6 parts of curing agent; 1-3 parts of quick-drying agent; 1-5 parts of a defoaming agent; 2-10 parts of calcium sulfate; 5-25 parts of an organic adhesive; 50-75 parts of fresh water; 120-200 parts of fine aggregate; 100-150 parts of coarse aggregate; 50-80 parts of glass particles; 10-40 parts of steel-polyolefin hybrid fiber; 1-5 parts of coagulant; 1-5 parts of fluidity regulator. The quick-drying concrete material for pavement plugging has the advantage of being convenient to pour, and solves the problems that in the using process of the existing quick-drying concrete material for pavement plugging, the setting time of concrete is too short and the fluidity is low, the difficulty of pouring the concrete into cracks by workers is increased, the using strength and bearing force of the concrete are low, and the subsequent cracking and damage are easy to cause.
Description
Technical Field
The invention relates to the field of building materials, in particular to a quick-drying concrete material for road surface leakage stoppage and a preparation method thereof.
Background
The concrete material belongs to one of building materials, can be used for building construction facilities, when a crack appears on a concrete pavement, a repair groove is formed on the concrete pavement, quick-drying concrete is poured into the repair groove to quickly block the leakage of the pavement, the quick-drying concrete has the advantages of high strength and quick forming, the quick-repairing of the concrete pavement is realized, the follow-up traffic of the pavement is not influenced, and after the repairing of the concrete pavement is finished, a surface layer and waterproof paint are painted on the top of the concrete to realize the protection of the concrete.
The environment-friendly composite quick-drying high-performance concrete with the patent number of CN 111978042A is a concrete material capable of being quickly dried, and can be used for repairing a road surface, but the setting speed of quick-drying concrete is high, but in actual operation, the concrete material cannot be smoothly poured into cracks to be repaired at one time due to unskilled operation of staff, so that the concrete cannot be synchronously coagulated, the repairing strength is influenced, the strength of the concrete is low, and the concrete is easy to damage after being poured on the road surface.
The patent No. CN 106584642B discloses a method for manufacturing a high-strength foam concrete product, which utilizes the fact that cement is changed excessively in a key stage of setting time, and the strength of the cement is greatly improved, so that the compressive strength and the overall quality of the foam concrete product are greatly improved, but only the temperature is controlled, and the materials are not treated.
The existing quick-drying concrete is often focused on the improvement of the setting time, and when the concrete is used for road surface leakage stoppage, the setting time of the concrete is too fast and the fluidity is lower, the difficulty of casting the concrete in cracks by workers is increased, the use strength and bearing force of the concrete are lower, and the subsequent cracking and damage are easy to cause. In addition, the existing quick-drying concrete has low bonding strength and poor compatibility with the old concrete, and a good repairing effect is difficult to realize.
Disclosure of Invention
The invention aims to provide a quick-drying concrete material for road surface leakage stoppage and a preparation method thereof, which have the advantage of convenient casting, and solve the problems that the existing quick-drying concrete material for road surface leakage stoppage is too fast in setting time and low in fluidity, the difficulty of casting concrete in cracks by workers is increased, the use strength and bearing force of the concrete are low, the compatibility with old concrete is poor, and the subsequent cracking and damage are easy to cause in the use process of the existing quick-drying concrete material for road surface leakage stoppage.
In order to achieve the above purpose, the present invention provides the following technical solutions: the quick-drying concrete material for road surface leakage stoppage comprises the following components in parts by weight:
80-120 parts of silicate cement clinker; 30-60 parts of fly ash; 1-6 parts of curing agent; 1-3 parts of quick-drying agent; 1-5 parts of a defoaming agent; 2-10 parts of calcium sulfate; 5-25 parts of an organic adhesive; 50-75 parts of water; 120-200 parts of fine aggregate; 100-150 parts of coarse aggregate; 50-80 parts of glass particles; 10-40 parts of steel-polyolefin hybrid fiber; 1-5 parts of coagulant; 1-5 parts of a fluidity regulator; 1-10 parts of high-strength carbon fiber; 1-5 parts of an antioxidant; 1-3 parts of an anticorrosive agent; 5-15 parts of methyl cellulose.
Preferably, the fine aggregate is one of artificial sand and natural sand, and the diameter of the fine aggregate is 1-5mm.
Preferably, the coarse aggregate is one of pebbles, building broken stones and rock particles, and the diameter of the coarse aggregate is 5-20mm.
Preferably, the material of the coagulant is one or more of organic phosphonic acid and inorganic phosphoric acid.
Preferably, the material of the fluidity modifier is one or more of montmorillonite, guar gum and sodium carbonate.
The invention relates to a preparation method of a quick-drying concrete material for road surface leakage stoppage, which comprises the following steps:
1) Firstly, respectively sieving silicate cement clinker, fly ash and calcium sulfate, screening out large particles in materials to avoid the follow-up untight molding, weighing the raw materials in parts by weight after screening, putting the raw materials into a stirrer for primary stirring and mixing, wherein the stirring time is 5-10min, the stirring temperature is 20-60 ℃, and the stirring speed is 5-10r/min;
2) Uniformly mixing the fixing agent, the quick-drying agent, the defoaming agent, the organic adhesive and water in parts by weight to obtain an additive solution, pouring the additive solution into a stirrer for continuous mixing for 5-8min at a stirring speed of 10-20r/min;
3) Premixing the coarse aggregate, the fine aggregate and the glass particles in parts by weight to form solid additives, adding the solid additives into a stirrer, stirring for 10-15min at a stirring speed of 12-20r/min, pouring the steel-polyolefin hybrid fiber, the high-strength carbon fiber and the methylcellulose in parts by weight into the stirrer, and reinforcing the strength of the concrete for 3-5min;
4) And adding the coagulant and the popular regulator in parts by weight into the mixer to adjust the coagulation degree and the fluidity, wherein the mixing time is 3-6min, and adding the antioxidant and the anticorrosive agent in parts by weight after the coagulation degree and the fluidity are adjusted, so as to increase the oxidation resistance and the anticorrosive performance of the concrete, prolong the service life of the concrete, and finally casting the concrete after the mixing at the position where the plugging is required on the road surface.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the proportion of the fixing agent, the quick-drying agent, the coagulant and the popular regulator is regulated, so that the setting time and the fluidity of the concrete are effectively regulated, the operability and the fault tolerance of field application are increased, the casting difficulty of workers is reduced, the concrete is more conveniently cast in cracks, and the vibration stamping difficulty is reduced.
2. According to the invention, the fine aggregate, the coarse aggregate, the glass particles and the steel-polyolefin hybrid fibers are arranged in the concrete, so that the overall strength of the concrete is higher, the concrete can bear larger pressure, and the foam killer is arranged in the concrete, so that the air bubbles in the concrete can be reduced, and the concrete is more compact and smooth.
3. According to the invention, through the matched use of the silicate cement clinker, the fly ash, the calcium sulfate and the water, the aggregate can be conveniently combined, and through the matched use of the organic adhesive, the compatibility with an old concrete structure can be improved.
Detailed Description
Example 1
The quick-drying concrete material for road surface leakage stoppage comprises the following components in parts by weight:
80 parts of silicate cement clinker; 30 parts of fly ash; 1 part of curing agent; 1 part of quick-drying agent; 1 part of defoaming agent; 2 parts of calcium sulfate; 5 parts of an organic adhesive; 50 parts of water; 120 parts of fine aggregate, wherein the fine aggregate is artificial sand, and the diameter of the fine aggregate is 2-3mm; 100 parts of coarse aggregate, wherein the coarse aggregate is pebble, and the diameter of the coarse aggregate is 6-15mm; 50 parts of glass particles; 10 parts of steel-polyolefin hybrid fiber; 1 part of a coagulant, wherein the coagulant is made of organic phosphonic acid; 1 part of fluidity regulator, wherein the fluidity regulator is made of montmorillonite; 1 part of high-strength carbon fiber; 1 part of an antioxidant; 1 part of an anticorrosive agent; 5 parts of methyl cellulose.
The embodiment relates to a preparation method of a quick-drying concrete material for road surface leakage stoppage, which specifically comprises the following steps:
1) Firstly, respectively sieving silicate cement clinker, fly ash and calcium sulfate, screening out large particles in materials to avoid the follow-up untight molding, weighing the raw materials in parts by weight after screening, putting the raw materials into a stirrer for primary stirring and mixing, wherein the stirring time is 5-10min, the stirring temperature is 20-60 ℃, and the stirring speed is 5-10r/min;
2) Uniformly mixing the fixing agent, the quick-drying agent, the defoaming agent, the organic adhesive and water in parts by weight to obtain an additive solution, pouring the additive solution into a stirrer for continuous mixing for 5-8min at a stirring speed of 10-20r/min;
3) Premixing the coarse aggregate, the fine aggregate and the glass particles in parts by weight to form solid additives, adding the solid additives into a stirrer, stirring for 10-15min at a stirring speed of 12-20r/min, pouring the steel-polyolefin hybrid fiber, the high-strength carbon fiber and the methylcellulose in parts by weight into the stirrer, and reinforcing the strength of the concrete for 3-5min;
4) And adding the coagulant and the popular regulator in parts by weight into the mixer to adjust the coagulation degree and the fluidity, wherein the mixing time is 3-6min, and adding the antioxidant and the anticorrosive agent in parts by weight after the coagulation degree and the fluidity are adjusted, so as to increase the oxidation resistance and the anticorrosive performance of the concrete, prolong the service life of the concrete, and finally casting the concrete after the mixing at the position where the plugging is required on the road surface.
The application method of the quick-drying concrete material for road surface leakage stoppage comprises the following steps:
1) Preparation: clearing the construction area, ensuring that the construction site is smooth, installing templates, and modulating concrete according to requirements: preparing a concrete material according to the procedure in example 4;
2) Stirring: fully stirring the concrete raw materials by using a concrete stirrer until the mixture is uniform and has no particles;
3) Transporting concrete: transporting the concrete to a construction site by using a concrete transporting vehicle or a pump vehicle;
4) Pouring concrete: pouring concrete into a pre-installed template, and compacting the concrete by using a shovel or a vibrator to ensure the concrete to be tightly combined;
5) Curing: after the concrete is poured, it needs to be cured to ensure that it reaches the required strength and hardness as soon as possible. The specific curing time and method will vary depending on the concrete formulation and the ambient temperature.
Example 2
The quick-drying concrete material for road surface leakage stoppage comprises the following components in parts by weight:
100 parts of silicate cement clinker; 45 parts of fly ash; 3 parts of a curing agent; 2 parts of quick-drying agent; 3 parts of defoaming agent; 5 parts of calcium sulfate; 15 parts of an organic adhesive; 60 parts of water; 160 parts of fine aggregate, wherein the fine aggregate is natural sand, and the diameter of the fine aggregate is 1-5mm; 125 parts of coarse aggregate, wherein the coarse aggregate is building crushed stone, and the diameter of the coarse aggregate is 5-20mm; 65 parts of glass particles; 25 parts of steel-polyolefin hybrid fiber; 2 parts of coagulant-adjusting agent, namely inorganic phosphoric acid as a material of the coagulant-adjusting agent; 3 parts of a fluidity regulator, wherein the fluidity regulator is made of guar gum; 10 parts of high-strength carbon fiber; 5 parts of an antioxidant; 3 parts of an anticorrosive agent; 15 parts of methyl cellulose.
Example 3
The quick-drying concrete material for road surface leakage stoppage comprises the following components in parts by weight:
120 parts of silicate cement clinker; 60 parts of fly ash; 6 parts of curing agent; 3 parts of quick-drying agent; 5 parts of defoaming agent; 10 parts of calcium sulfate; 25 parts of an organic adhesive; 75 parts of water; 200 parts of fine aggregate, wherein the fine aggregate is artificial sand, and the diameter of the fine aggregate is 1-5mm; 150 parts of coarse aggregate, wherein the coarse aggregate is pebble, and the diameter of the coarse aggregate is 20mm; 80 parts of glass particles; 40 parts of steel-polyolefin hybrid fiber; 5 parts of a coagulant, wherein the coagulant is inorganic phosphoric acid; 5 parts of a fluidity regulator, wherein the fluidity regulator is made of montmorillonite; 5 parts of high-strength carbon fiber; 3 parts of an antioxidant; 2 parts of an anticorrosive agent; 8 parts of methyl cellulose.
Comparative example 1
This comparative example was the same as in example 1 except that the fine aggregate, the coarse aggregate, the glass particles and the steel-polyolefin hybrid fiber were not contained.
The quick-drying concrete material for road surface leakage stoppage comprises the following components in parts by weight:
80 parts of silicate cement clinker; 30 parts of fly ash; 1 part of curing agent; 1 part of quick-drying agent; 1 part of defoaming agent; 2 parts of calcium sulfate; 5 parts of an organic adhesive; 50 parts of water; 1 part of a coagulant, wherein the coagulant is made of organic phosphonic acid; 1 part of fluidity regulator, wherein the fluidity regulator is made of montmorillonite; 1 part of high-strength carbon fiber; 1 part of an antioxidant; 1 part of an anticorrosive agent; 5 parts of methyl cellulose.
The embodiment relates to a preparation method of a quick-drying concrete material for road surface leakage stoppage, which specifically comprises the following steps:
1) Firstly, respectively sieving silicate cement clinker, fly ash and calcium sulfate, screening out large particles in materials to avoid the follow-up untight molding, weighing the raw materials in parts by weight after screening, putting the raw materials into a stirrer for primary stirring and mixing, wherein the stirring time is 5-10min, the stirring temperature is 20-60 ℃, and the stirring speed is 5-10r/min;
2) Uniformly mixing the fixing agent, the quick-drying agent, the defoaming agent, the organic adhesive and water in parts by weight to obtain an additive solution, pouring the additive solution into a stirrer for continuous mixing for 5-8min at a stirring speed of 10-20r/min;
3) Pouring the high-strength carbon fiber and the methylcellulose in parts by weight into a stirrer to strengthen the strength of the concrete, wherein the stirring time is 3-5min;
4) And adding the coagulant and the popular regulator in parts by weight into the mixer to adjust the coagulation degree and the fluidity, wherein the mixing time is 3-6min, and adding the antioxidant and the anticorrosive agent in parts by weight after the coagulation degree and the fluidity are adjusted, so as to increase the oxidation resistance and the anticorrosive performance of the concrete, prolong the service life of the concrete, and finally casting the concrete after the mixing at the position where the plugging is required on the road surface.
Comparative example 2
This comparative example was the same as example 1 except that no set control agent and no fashion control agent were added.
The quick-drying concrete material for road surface leakage stoppage comprises the following components in parts by weight:
80 parts of silicate cement clinker; 30 parts of fly ash; 1 part of curing agent; 1 part of quick-drying agent; 1 part of defoaming agent; 2 parts of calcium sulfate; 5 parts of an organic adhesive; 50 parts of water; 120 parts of fine aggregate, wherein the fine aggregate is artificial sand, and the diameter of the fine aggregate is 2-3mm; 100 parts of coarse aggregate, wherein the coarse aggregate is pebble, and the diameter of the coarse aggregate is 6-15mm; 50 parts of glass particles; 10 parts of steel-polyolefin hybrid fiber; 1 part of high-strength carbon fiber; 1 part of an antioxidant; 1 part of an anticorrosive agent; 5 parts of methyl cellulose.
The embodiment relates to a preparation method of a quick-drying concrete material for road surface leakage stoppage, which specifically comprises the following steps:
1) Firstly, respectively sieving silicate cement clinker, fly ash and calcium sulfate, screening out large particles in materials to avoid the follow-up untight molding, weighing the raw materials in parts by weight after screening, putting the raw materials into a stirrer for primary stirring and mixing, wherein the stirring time is 5-10min, the stirring temperature is 20-60 ℃, and the stirring speed is 5-10r/min;
2) Uniformly mixing the fixing agent, the quick-drying agent, the defoaming agent, the organic adhesive and water in parts by weight to obtain an additive solution, pouring the additive solution into a stirrer for continuous mixing for 5-8min at a stirring speed of 10-20r/min;
3) Premixing the coarse aggregate, the fine aggregate and the glass particles in parts by weight to form solid additives, adding the solid additives into a stirrer, stirring for 10-15min at a stirring speed of 12-20r/min, pouring the steel-polyolefin hybrid fiber, the high-strength carbon fiber and the methylcellulose in parts by weight into the stirrer, and reinforcing the strength of the concrete for 3-5min;
4) And adding the antioxidant and the anticorrosive agent in parts by weight into the mixer to increase the oxidation resistance and the anticorrosive performance of the concrete, prolonging the service life of the concrete, and finally casting the concrete after the mixing at the position where the road surface needs to be plugged.
The quick-drying concrete materials for road surface plugging prepared in examples 1-3 and comparative examples 1-2 were tested, and the gel time was measured according to the method in GB/T1346-2011 method for testing Water consumption for Cement Standard consistency, setting time, stability; compressive strength and flexural strength were measured according to the methods in JTGE30-2005, highway engineering Cement and Cement concrete test procedure, and the specific results are shown in the following table:
the foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The quick-drying concrete material for road surface leakage stoppage is characterized by comprising the following components in parts by weight:
80-120 parts of silicate cement clinker; 30-60 parts of fly ash; 1-6 parts of curing agent; 1-3 parts of quick-drying agent; 1-5 parts of a defoaming agent; 2-10 parts of calcium sulfate; 5-25 parts of an organic adhesive; 50-75 parts of water; 120-200 parts of fine aggregate; 100-150 parts of coarse aggregate; 50-80 parts of glass particles; 10-40 parts of steel-polyolefin hybrid fiber; 1-5 parts of coagulant; 1-5 parts of a fluidity regulator; 1-10 parts of high-strength carbon fiber; 1-5 parts of an antioxidant; 1-3 parts of an anticorrosive agent; 5-15 parts of methyl cellulose.
2. The quick-drying concrete material for plugging a road surface according to claim 1, wherein the fine aggregate is one of artificial sand and natural sand, and the diameter of the fine aggregate is 1-5mm.
3. The quick-drying concrete material for plugging a road surface according to claim 1, wherein the coarse aggregate is one of pebbles, construction rubble and rock particles, and the diameter of the coarse aggregate is 5-20mm.
4. The quick-drying concrete material for plugging a road surface according to claim 1, wherein the material of the coagulant is one or more of organic phosphonic acid and inorganic phosphoric acid.
5. The quick-setting concrete material for plugging a road surface according to claim 1, wherein the fluidity modifier is one or more of montmorillonite, guar gum and sodium carbonate.
6. The preparation method of the quick-drying concrete material for road surface leakage stoppage is characterized by comprising the following steps of:
1) Firstly, respectively sieving silicate cement clinker, fly ash and calcium sulfate, screening out large particles in materials to avoid the follow-up untight molding, weighing the raw materials in parts by weight after screening, putting the raw materials into a stirrer for primary stirring and mixing, wherein the stirring time is 5-10min, the stirring temperature is 20-60 ℃, and the stirring speed is 5-10r/min;
2) Uniformly mixing the fixing agent, the quick-drying agent, the defoaming agent, the organic adhesive and water in parts by weight to obtain an additive solution, pouring the additive solution into a stirrer for continuous mixing for 5-8min at a stirring speed of 10-20r/min;
3) Premixing the coarse aggregate, the fine aggregate and the glass particles in parts by weight to form solid additives, adding the solid additives into a stirrer, stirring for 10-15min at a stirring speed of 12-20r/min, pouring the steel-polyolefin hybrid fiber, the high-strength carbon fiber and the methylcellulose in parts by weight into the stirrer, and reinforcing the strength of the concrete for 3-5min;
4) And adding the coagulant and the popular regulator in parts by weight into the mixer to adjust the coagulation degree and the fluidity, wherein the mixing time is 3-6min, and adding the antioxidant and the anticorrosive agent in parts by weight after the coagulation degree and the fluidity are adjusted, so as to increase the oxidation resistance and the anticorrosive performance of the concrete, prolong the service life of the concrete, and finally casting the concrete after the mixing at the position where the plugging is required on the road surface.
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