CN106145811A - A kind of anti-impact folding concrete - Google Patents
A kind of anti-impact folding concrete Download PDFInfo
- Publication number
- CN106145811A CN106145811A CN201610486638.XA CN201610486638A CN106145811A CN 106145811 A CN106145811 A CN 106145811A CN 201610486638 A CN201610486638 A CN 201610486638A CN 106145811 A CN106145811 A CN 106145811A
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- China
- Prior art keywords
- parts
- modified polypropylene
- fiber
- polypropylene fiber
- impact
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Classifications
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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
- C04B28/02—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
- 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
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1022—Non-macromolecular compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of anti-impact folding concrete, its raw material includes by weight: Portland cement 100 parts, fluvial sand 140 180 parts, rubble 250 350 parts, breeze 10 20 parts, silicon ash 20 30 parts, fiber 23 parts, acrylic acid ester emulsion 12 parts, retardation water reducing agent 24 parts, cellulose ether 24 parts, 24 28 parts of water；Wherein, the raw material of fiber is: steel fibre, modified polypropylene fiber.Good mechanical property of the present invention, shock resistance folding endurance can be high.
Description
Technical field
The present invention relates to technical field of concrete, particularly relate to a kind of anti-impact folding concrete.
Background technology
At present, concrete is of paramount importance building structure material, its be widely used in road, build, decorate, heavy industry
The fields such as industry.But the concrete in high load-bearing, HI high impact environment, the shock resistance of simple concrete material is with anti-
Fragility can be relatively low, accordingly, it is desirable to provide the concrete of a kind of good mechanical property.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of anti-impact folding concrete, mechanicalness of the present invention
Can be good, shock resistance folding endurance can be high.
A kind of anti-impact folding concrete that the present invention proposes, its raw material includes by weight: Portland cement 100 parts,
Fluvial sand 140-180 part, rubble 250-350 part, breeze 10-20 part, silicon ash 20-30 part, fiber 2-3 part, acrylic acid ester emulsion 1-2
Part, retardation water reducing agent 2-4 part, cellulose ether 2-4 part, water 24-28 part；
Wherein, the raw material of fiber is: steel fibre, modified polypropylene fiber.
Preferably, the particle diameter of fluvial sand is 1-2mm, clay content≤1% of fluvial sand.
Preferably, the particle diameter of rubble is 10-20mm.
Preferably, steel fibre, the weight ratio of modified polypropylene fiber are 2-4:1-3.
Preferably, steel fibre, the length of modified polypropylene fiber are 10-15mm.
Preferably, steel fibre must be through polishing, and depletion washs, and then air-dries with the hot blast that temperature is 30-50 DEG C.
Preferably, in the preparation process of modified polypropylene fiber, it is 2-3wt% that polypropylene fibre adds mass fraction
Mixing in the ethanol solution of gamma-aminopropyl-triethoxy-silane, be warming up to 60-70 DEG C, insulated and stirred 60-80min, taking-up processes
After polyethylene fibre, washing, drying under reduced pressure obtains material A, material A is added in montmorillonite, is warming up to 70-80 DEG C, with
The speed stirring 2-3h of 800-1000r/min, is cooled to room temperature and obtains modified polypropylene fiber.
Preferably, in the preparation process of modified polypropylene fiber, the particle diameter of montmorillonite is 2-3mm.
Preferably, in the preparation process of modified polypropylene fiber, polypropylene fibre and gamma-aminopropyl-triethoxy-silane
Weight ratio be 10-15:0.8-1.
Preferably, in the preparation process of modified polypropylene fiber, the weight ratio of material A and montmorillonite is 1-1.2:2-3.
The preparation technology of the present invention is as follows: Portland cement, fluvial sand, rubble, breeze, silicon ash, fiber are mixed
To material A；By acrylic acid ester emulsion, retardation water reducing agent, the water of cellulose ether addition 8 times on the basis of acrylic acid ester emulsion weight
Mixing, adds material A mixing, adds the mixing of remaining water, Cheng Mo, and maintenance obtains anti-impact folding concrete.
The present invention selects gamma-aminopropyl-triethoxy-silane to react with polypropylene fibre, at polypropylene fibre surface grafting
Gamma-aminopropyl-triethoxy-silane, introducing amino on polypropylene fibre, and considerably increase the polarity of polypropylene fibre, make
Obtaining polypropylene fibre can be dispersed with montmorillonite, and montmorillonite has layer structure and good absorption property, in high-speed stirring
In mixing, montmorillonite can adsorb polypropylene fibre, and polypropylene fibre can be deep between cheating engaging layer, forms fiber intercalation knot
Structure obtains modified polypropylene fiber, thus increases the polarity of polypropylene fibre further, and can increase the anti-impact of polypropylene fibre
Hitting toughness, modified polypropylene fiber can be dispersed with cement, and the hydroxyl in the amino of fiber surface and cement can occur
Bonding, so that cement and polypropylene fibre compact siro spinning technology；Alkali liquid washing, the steel fiber surface after air-drying contains great amount of hydroxy group,
Can be bonded with the hydroxyl in cement, be connected with cement, modified polypropylene fiber, steel fibre and cement, at water and third
Under the interaction of olefin(e) acid ester emulsion so that polypropylene fibre and steel fibre are combined closely with cement, thus considerably increase this
The impact resistance of invention, toughness, thus stop the present invention to be broken off when being impacted by weight；Fluvial sand, rubble, breeze, silicon ash with
Steel fibre, modified polypropylene fiber are dispersed, cooperate, and increase the impact resistance of the present invention, toughness further；Suitable long
The fiber of degree, can preferably increase impact resistance and the toughness of the present invention；Acrylic acid ester emulsion, retardation water reducing agent, cellulose
Ether cooperates, and can reduce water consumption, promotes that each material mutually bonds, and increases the mechanical performance of the present invention, and energy further
Increase antifreeze, anticracking, the anti-permeability performance of the present invention.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of anti-impact folding concrete, its raw material includes by weight: Portland cement 100 parts, and fluvial sand 160 parts is broken
300 parts of stone, breeze 15 parts, silicon ash 25 parts, fiber 2.5 parts, acrylic acid ester emulsion 1.5 parts, retardation water reducing agent 3 parts, cellulose ether 3
Part, 26 parts of water；
Wherein, the raw material of fiber is: steel fibre, modified polypropylene fiber.
Embodiment 2
A kind of anti-impact folding concrete, its raw material includes by weight: Portland cement 100 parts, and fluvial sand 140 parts is broken
350 parts of stone, breeze 10 parts, silicon ash 30 parts, fiber 2 parts, acrylic acid ester emulsion 2 parts, retardation water reducing agent 2 parts, cellulose ether 4 parts,
24 parts of water；
Wherein, the raw material of fiber is: steel fibre, modified polypropylene fiber, wherein, and steel fibre, modified polypropylene fiber
Weight ratio is 4:1, and steel fibre, the length of modified polypropylene fiber are 15mm.
Embodiment 3
A kind of anti-impact folding concrete, its raw material includes by weight: Portland cement 100 parts, and fluvial sand 180 parts is broken
250 parts of stone, breeze 20 parts, silicon ash 20 parts, fiber 3 parts, acrylic acid ester emulsion 1 part, retardation water reducing agent 4 parts, cellulose ether 2 parts,
28 parts of water；
Wherein, the raw material of fiber is: steel fibre, modified polypropylene fiber, wherein, and steel fibre, modified polypropylene fiber
Weight ratio is 2:3, and steel fibre, the length of modified polypropylene fiber are 10mm；
Steel fibre must be through polishing, and depletion washs, and then air-dries with the hot blast that temperature is 50 DEG C；
In the preparation process of modified polypropylene fiber, it is 2wt% γ-aminopropyl that polypropylene fibre adds mass fraction
The ethanol solution of triethoxysilane mixes, is warming up to 70 DEG C, insulated and stirred 60min, the polyethylene fibre after taking-up process,
Washing, drying under reduced pressure obtains material A, material A is added in the montmorillonite that particle diameter is 3mm, is warming up to 70 DEG C, with 1000r/min
Speed stirring 2h, be cooled to room temperature and obtain modified polypropylene fiber, wherein, polypropylene fibre and gamma-aminopropyl-triethoxy
The weight ratio of silane be the weight ratio of 15:0.8, material A and montmorillonite be 1.2:2.
Embodiment 4
A kind of anti-impact folding concrete, its raw material includes by weight: Portland cement 100 parts, particle diameter is 1mm, contains
The fluvial sand of mud amount≤1% 170 parts, particle diameter is the rubble 320 parts of 10mm, breeze 13 parts, silicon ash 28 parts, fiber 2.2 parts, acrylic acid
Ester emulsion 1.7 parts, retardation water reducing agent 2.5 parts, cellulose ether 3.5 parts, 25 parts of water；
Wherein, the raw material of fiber is: steel fibre, modified polypropylene fiber, wherein, and steel fibre, modified polypropylene fiber
Weight ratio is 4:1, and steel fibre, the length of modified polypropylene fiber are 15mm；
Steel fibre must be through polishing, and depletion washs, and then air-dries with the hot blast that temperature is 30 DEG C；
In the preparation process of modified polypropylene fiber, it is 3wt% γ-aminopropyl that polypropylene fibre adds mass fraction
The ethanol solution of triethoxysilane mixes, is warming up to 60 DEG C, insulated and stirred 80min, the polyethylene fibre after taking-up process,
Washing, drying under reduced pressure obtains material A, material A is added in the montmorillonite that particle diameter is 2mm, is warming up to 80 DEG C, with 800r/min's
Speed stirring 3h, is cooled to room temperature and obtains modified polypropylene fiber, wherein, and polypropylene fibre and gamma-aminopropyl-triethoxy silicon
The weight ratio of alkane be the weight ratio of 10:1, material A and montmorillonite be 1:3.
Embodiment 5
A kind of anti-impact folding concrete, its raw material includes by weight: Portland cement 100 parts, particle diameter is 2mm, contains
The fluvial sand of mud amount≤1% 150 parts, particle diameter is the rubble 280 parts of 20mm, breeze 17 parts, silicon ash 22 parts, fiber 2.8 parts, acrylic acid
Ester emulsion 1.3 parts, retardation water reducing agent 3.5 parts, cellulose ether 2.5 parts, 27 parts of water；
Wherein, the raw material of fiber is: steel fibre, modified polypropylene fiber, wherein, and steel fibre, modified polypropylene fiber
Weight ratio is 3:2, and steel fibre, the length of modified polypropylene fiber are 13mm；
Steel fibre must be through polishing, and depletion washs, and then air-dries with the hot blast that temperature is 40 DEG C；
In the preparation process of modified polypropylene fiber, it is 2.5wt% γ-ammonia third that polypropylene fibre adds mass fraction
The ethanol solution of ethyl triethoxy silicane alkane mixes, is warming up to 65 DEG C, insulated and stirred 70min, the polyethylene fiber after taking-up process
Dimension, washing, drying under reduced pressure obtains material A, material A is added in the montmorillonite that particle diameter is 2.5mm, is warming up to 75 DEG C, with 900r/
The speed stirring 2.5h of min, is cooled to room temperature and obtains modified polypropylene fiber, wherein, and polypropylene fibre and γ-aminopropyl three second
The weight ratio of TMOS be the weight ratio of 13:0.9, material A and montmorillonite be 1.1:2.5.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (10)
1. an anti-impact folding concrete, it is characterised in that its raw material includes by weight: Portland cement 100 parts, fluvial sand
140-180 part, rubble 250-350 part, breeze 10-20 part, silicon ash 20-30 part, fiber 2-3 part, acrylic acid ester emulsion 1-2 part,
Retardation water reducing agent 2-4 part, cellulose ether 2-4 part, water 24-28 part；
Wherein, the raw material of fiber is: steel fibre, modified polypropylene fiber.
Anti-impact folding concrete the most according to claim 1, it is characterised in that the particle diameter of fluvial sand is 1-2mm, the clay content of fluvial sand
≤ 1%.
Anti-impact the most according to claim 1 or claim 2 folding concrete, it is characterised in that the particle diameter of rubble is 10-20mm.
4. according to anti-impact folding concrete described in any one of claim 1-3, it is characterised in that steel fibre, modified polypropylene fiber
Weight ratio be 2-4:1-3.
5. according to anti-impact folding concrete described in any one of claim 1-4, it is characterised in that steel fibre, modified polypropylene fiber
Length be 10-15mm.
6. according to anti-impact folding concrete described in any one of claim 1-5, it is characterised in that steel fibre must be through polishing, and depletion is washed
Wash, then air-dry with the hot blast that temperature is 30-50 DEG C.
7. according to anti-impact folding concrete described in any one of claim 1-6, it is characterised in that in the preparation of modified polypropylene fiber
During, polypropylene fibre is added in the ethanol solution that mass fraction is 2-3wt% gamma-aminopropyl-triethoxy-silane mixed
Even, it is warming up to 60-70 DEG C, insulated and stirred 60-80min, the polyethylene fibre after taking-up process, washing, drying under reduced pressure obtains thing
Material A, adds material A in montmorillonite, is warming up to 70-80 DEG C, stirs 2-3h with the speed of 800-1000r/min, is cooled to room
Temperature obtains modified polypropylene fiber.
Anti-impact folding concrete the most according to claim 7, it is characterised in that in the preparation process of modified polypropylene fiber,
The particle diameter of montmorillonite is 2-3mm.
Anti-impact folding concrete the most according to claim 7, it is characterised in that in the preparation process of modified polypropylene fiber,
The weight ratio of polypropylene fibre and gamma-aminopropyl-triethoxy-silane is 10-15:0.8-1.
Anti-impact folding concrete the most according to claim 7, it is characterised in that in the preparation process of modified polypropylene fiber,
The weight ratio of material A and montmorillonite is 1-1.2:2-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486638.XA CN106145811A (en) | 2016-06-28 | 2016-06-28 | A kind of anti-impact folding concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486638.XA CN106145811A (en) | 2016-06-28 | 2016-06-28 | A kind of anti-impact folding concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106145811A true CN106145811A (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610486638.XA Pending CN106145811A (en) | 2016-06-28 | 2016-06-28 | A kind of anti-impact folding concrete |
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| Country | Link |
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| CN (1) | CN106145811A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587820A (en) * | 2016-12-08 | 2017-04-26 | 东南大学 | Hand throwing type early-strength impermeable concrete and preparation method thereof |
| CN117185731A (en) * | 2023-11-08 | 2023-12-08 | 邢台建工商品混凝土有限公司 | Preparation process of anti-cracking concrete |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759411A (en) * | 2010-01-14 | 2010-06-30 | 赵国平 | Cement concrete |
| CN104926253A (en) * | 2015-06-03 | 2015-09-23 | 河南汇能路桥科技有限公司 | Pavement/bridge deck concrete fast mending material and application thereof |
| CN105506999A (en) * | 2016-01-29 | 2016-04-20 | 杭州赛奇丝科技有限公司 | Surface treatment and modification method for high-strength high-mold polyvinyl alcohol fibers |
-
2016
- 2016-06-28 CN CN201610486638.XA patent/CN106145811A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759411A (en) * | 2010-01-14 | 2010-06-30 | 赵国平 | Cement concrete |
| CN104926253A (en) * | 2015-06-03 | 2015-09-23 | 河南汇能路桥科技有限公司 | Pavement/bridge deck concrete fast mending material and application thereof |
| CN105506999A (en) * | 2016-01-29 | 2016-04-20 | 杭州赛奇丝科技有限公司 | Surface treatment and modification method for high-strength high-mold polyvinyl alcohol fibers |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587820A (en) * | 2016-12-08 | 2017-04-26 | 东南大学 | Hand throwing type early-strength impermeable concrete and preparation method thereof |
| CN117185731A (en) * | 2023-11-08 | 2023-12-08 | 邢台建工商品混凝土有限公司 | Preparation process of anti-cracking concrete |
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Application publication date: 20161123 |