CN106673568A - Silica sol-modified corrosion-resistant reinforced concrete drain pipe and preparation method thereof - Google Patents
Silica sol-modified corrosion-resistant reinforced concrete drain pipe and preparation method thereof Download PDFInfo
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- CN106673568A CN106673568A CN201611157982.0A CN201611157982A CN106673568A CN 106673568 A CN106673568 A CN 106673568A CN 201611157982 A CN201611157982 A CN 201611157982A CN 106673568 A CN106673568 A CN 106673568A
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- Prior art keywords
- reinforced concrete
- water
- epoxy resin
- adds
- silicon dioxide
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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
- C04B28/08—Slag 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
- C04B14/06—Quartz; Sand
- C04B14/062—Microsilica, e.g. colloïdal silica
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a silica sol-modified corrosion-resistant reinforced concrete drain pipe and a preparation method thereof. The silica sol-modified corrosion-resistant reinforced concrete drain pipe is characterized by being prepared from the following raw materials: fly ash, ground slag, metakaolin, gypsum, sodium sulfate, a naphthalene-based superplasticizer, sand, crushed stones, bisphenol-A epoxy resin E-44, benzoyl peroxide, acrylic acid, N,N-dimethylethanolamine, organic montmorillonite, cement, steel fibers, calcined diatomite, rebar, tetraethylortho silicate and citric acid. Water-based epoxy resin is prepared through a graft copolymerization method to obtain an interpenetrating network structure of a polymer and a cement matrix material; the organic montmorillonite is added to a water-based epoxy resin matrix as a filler by adopting a high polymer solution interpolation method to prepare a water-based epoxy resin/montmorillonite nano composite material; a strong magnetic field is applied to a steel fiber reinforced concrete mixture to prepare unidirectionally distributed steel fiber reinforced concrete; and the fiber utilization rate is high, and the strengthening effect is good.
Description
Technical field
The present invention relates to a kind of preparation method of reinforced concrete sewer pipe, and in particular to a kind of silicon dioxide gel is modified
Corrosion resistant type reinforced concrete sewer pipe and preparation method thereof.
Background technology
With the development of urban construction, start to build sewage treatment plant, substantial amounts of industrial wastewater and sanitary sewage need logical
Cross drainpipe and enter sewage treatment plant, and black water usually containing acid or other corrosive substances and concentration difference, this
Require that drainpipe has stronger decay resistance.
Liu Yuanxiang exists《The research and the application in drainpipe of alkali-activated slag flyash concrete performance》In one text, with
Flyash, slag, alkali-activator, FKJ special additives, sandstone aggregate etc. are raw material, are prepared for alkali ore slag fly ash coagulation
Soil；Stone is first put into during feeding, powder is then put into, then puts into sand, be eventually adding liquid exciting agent and water, use overhang roll legal system
Plumber's skill produces acidproof, alkali corrosion resistance concrete drain tile；Concrete drain tile uses steam curing, steam curing system point
For it is quiet stop, heat up, constant temperature, cooling four-stage.But it is not enough to there is decay resistance in gained drainpipe.
The present invention with the addition of metakaolin, have good filing effect and volcano ash effect in concrete；The present invention
With epoxy resin, acrylic acid as raw material, salt forming agent N, N- dimethylethanolamine is added, water is prepared for by the method for graft copolymerization
Property epoxy resin, is applied in modified cement-concrete, obtains the network structure of polymer and concrete base material IPN；This hair
It is bright to be added in aqueous epoxy resins matrix using high polymeric solution graft process with organo montmorillonite as filler, prepare
Aqueous epoxy resins/Nano composite material of montmorillonite；The characteristics of calcined diatomite has specific surface area high, finer grain size, uses
Carry out fill concrete cement matrix internal void, so as to improve the packing of concrete substrate, mechanical property, impervious freeze proof
Property；With tetraethyl orthosilicate as raw material, by adding weak acid citric acid for catalyst, tetraethyl orthosilicate partial hydrolysis is obtained the present invention
Silicon dioxide gel modifying agent, can penetrate into cement, mortar and concrete, play modified, maintenance action；To steel fibre coagulation
Native mixture applies uniform magnetic field, prepares the steel fiber reinforced concrete of unidirectional distribution, and fiber utilization rate is high, and enhancing effect is good.
To the corrosion resistant type reinforced concrete sewer pipe that a kind of silicon dioxide gel is modified.
The content of the invention
The present invention solves the technical problem of a kind of modified corrosion resistant type reinforced concrete of silicon dioxide gel of offer
Native drainpipe and preparation method thereof, according to the technique prepare reinforced concrete sewer pipe mechanical property it is good, intensity is high, corrosion-resistant
Performance is good, impervious good frost resistance.
The technical problems to be solved by the invention are realized using following technical scheme：
Flyash 10-17, slag powders 10-13, metakaolin 3-5, gypsum 1-2, sodium sulphate 5-7, naphthalene series high-efficiency water-reducing agent 1-3,
Sand 17-22, rubble 8-12, bisphenol A type epoxy resin E-44 4-6, benzoyl peroxide 3-5, acrylic acid 3-5, N, N- dimethyl
Monoethanolamine 1-3, organo montmorillonite 4-6, cement 7-11, steel fibre 4-7, calcined diatomite 2-3, reinforcing bar 7-10, tetraethyl orthosilicate
3-5, citric acid 1-2, propylene glycol monomethyl ether, water, appropriate amount of ethanol.
A kind of preparation method of the modified corrosion resistant type reinforced concrete sewer pipe of silicon dioxide gel, it is characterised in that
Carry out according to the following steps：
A. flyash is mixed after mechanical grinding with slag powders, metakaolin, stir to obtain Binder Materials；
B. by gypsum, sodium sulphate mixing and ball milling it is uniform exciting agent, add resulting material in a with naphthalene series high-efficiency water-reducing agent, then with
2:4-6 adds sand and water, stirs to obtain mortar, adds the rubble of particle diameter 5-25mm, stirs 30-50min；
C. by bisphenol A type epoxy resin E-44 with 1:3-5 is dissolved in propylene glycol monomethyl ether, adds benzoyl peroxide, acrylic acid,
It is warming up to 105-115 DEG C of reaction 2-3h, stirring lower 1:4-6 adds N, N- dimethylethanolamines and water, and tune pH is 7-8, and addition has
Machine montmorillonite, 80-90 DEG C is reacted 1-2h, stand-by；
D. by tetraethyl orthosilicate, water, ethanol with mol ratio 1:5-10:8-20 mixes, and it is catalyst to add weak acid citric acid, is adjusted
PH value of solution is 3-5, and stirring reaction 2-4h, tetraethyl orthosilicate partial hydrolysis obtains silicon dioxide gel；
E. resulting material in a, b, c, d is mixed, adds cement, steel fibre, calcined diatomite, stirred, mixture is applied
Plus uniform magnetic field；
F. by reinforcing bar treatment obtain framework of steel reinforcement shaping, by e resulting material input wherein, start overhang-roll tubing machine, overhang roll into
Type, steam curing, the demoulding, obtain a kind of modified corrosion resistant type reinforced concrete sewer pipe of silicon dioxide gel.
Reaction mechanism of the invention is as follows：
（1）Metakaolin is a kind of high-activity mineral blending material, and there is good filing effect and volcanic ash to imitate in concrete
Should, microstructure, intensity and the durability of concrete can be improved.
（2）With epoxy resin, acrylic acid as raw material, salt forming agent N, N- dimethylethanolamine is added, by graft copolymerization
Method is prepared for aqueous epoxy resins, is applied in modified cement-concrete, obtains polymer with concrete base material IPN
Network structure, composite has the characteristics of tensile strength is high, water absorption rate is low, and compressive strength loss is small.
（3）With organo montmorillonite as filler, aqueous epoxy resins matrix is added to using high polymeric solution graft process
In, aqueous epoxy resins/Nano composite material of montmorillonite is prepared, with high tenacity, impact resistance, decay resistance be strong, power
The characteristics of performance is good.
（4）The present invention, with tetraethyl orthosilicate as raw material, is catalyst, tetraethyl orthosilicate part by adding weak acid citric acid
Hydrolysis obtains silicon dioxide gel modifying agent, can penetrate into cement, mortar and concrete, plays modified, maintenance action.
（5）The characteristics of calcined diatomite has specific surface area high, finer grain size, in fill concrete cement matrix
Portion's hole, so as to improve packing, mechanical property, the impervious frost resistance of concrete substrate.
（6）Apply uniform magnetic field to steel fiber reinforced concrete mixture, steel fibre is subject to magnetic fields so that most of steel is fine
Dimension direction is consistent with magnetic direction or close, forms unidirectional distribution, prepares the steel fiber reinforced concrete of unidirectional distribution, fiber utilization
Rate is high, and enhancing effect is good.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment
The modified corrosion resistant type reinforced concrete sewer pipe of a kind of silicon dioxide gel, by the raw material of following weight parts (g)
It is obtained：
Flyash 17, slag powders 13, metakaolin 5, gypsum 2, sodium sulphate 7, naphthalene series high-efficiency water-reducing agent 3, sand 17, rubble 12 is double
Phenol A types epoxy resin E-44 6, benzoyl peroxide 5, acrylic acid 3, N, N- dimethylethanolamines 1, organo montmorillonite 6, cement
7, steel fibre 7, calcined diatomite 3, reinforcing bar 10, tetraethyl orthosilicate 5, citric acid 2, propylene glycol monomethyl ether, water, appropriate amount of ethanol.
A kind of preparation method of the modified corrosion resistant type reinforced concrete sewer pipe of silicon dioxide gel, it is characterised in that
Carry out according to the following steps：
A. flyash is mixed after mechanical grinding with slag powders, metakaolin, stir to obtain Binder Materials；
B. by gypsum, sodium sulphate mixing and ball milling it is uniform exciting agent, add resulting material in a with naphthalene series high-efficiency water-reducing agent, then with
2:6 add sand and water, stir to obtain mortar, add the rubble of particle diameter 10-20mm, stir 30-40min；
C. by bisphenol A type epoxy resin E-44 with 1:5 are dissolved in propylene glycol monomethyl ether, add benzoyl peroxide, acrylic acid, rise
Temperature stirs lower 1 to 105-115 DEG C of reaction 3h:6 add N, N- dimethylethanolamines and water, and tune pH is 7-8, adds organic illiteracy to take off
Soil, 80-90 DEG C is reacted 1h, stand-by；
D. by tetraethyl orthosilicate, water, ethanol with mol ratio 1:10:20 mixing, it is catalyst to add weak acid citric acid, adjusts solution
PH is 4-5, and stirring reaction 2h, tetraethyl orthosilicate partial hydrolysis obtains silicon dioxide gel；
E. resulting material in a, b, c, d is mixed, adds cement, steel fibre, calcined diatomite, stirred, mixture is applied
Plus uniform magnetic field；
F. by reinforcing bar treatment obtain framework of steel reinforcement shaping, by e resulting material input wherein, start overhang-roll tubing machine, overhang roll into
Type, steam curing, the demoulding, obtain a kind of modified corrosion resistant type reinforced concrete sewer pipe of silicon dioxide gel.
The corrosion resistant type reinforced concrete sewer pipe performance inspection that a kind of silicon dioxide gel prepared by above-described embodiment is modified
Survey result as follows：
Acidproof and alkali corrosion resistance coefficient >=0.87, drainpipe cracking load >=61kN/m, failing load >=89kN/m reaches
The I grade of pipe requirement of 1200mm reinforced concrete sewer pipes.
Claims (2)
1. the corrosion resistant type reinforced concrete sewer pipe that a kind of silicon dioxide gel is modified, it is characterised in that by following weight parts
Raw material be obtained：
Flyash 10-17, slag powders 10-13, metakaolin 3-5, gypsum 1-2, sodium sulphate 5-7, naphthalene series high-efficiency water-reducing agent 1-3,
Sand 17-22, rubble 8-12, bisphenol A type epoxy resin E-44 4-6, benzoyl peroxide 3-5, acrylic acid 3-5, N, N- dimethyl
Monoethanolamine 1-3, organo montmorillonite 4-6, cement 7-11, steel fibre 4-7, calcined diatomite 2-3, reinforcing bar 7-10, tetraethyl orthosilicate
3-5, citric acid 1-2, propylene glycol monomethyl ether, water, appropriate amount of ethanol.
2. the preparation of the modified corrosion resistant type reinforced concrete sewer pipe of a kind of silicon dioxide gel according to claim 1
Method, it is characterised in that carry out according to the following steps：
Flyash is mixed after mechanical grinding with slag powders, metakaolin, stir to obtain Binder Materials；
B. by gypsum, sodium sulphate mixing and ball milling it is uniform exciting agent, add resulting material in a with naphthalene series high-efficiency water-reducing agent, then with
2:4-6 adds sand and water, stirs to obtain mortar, adds the rubble of particle diameter 5-25mm, stirs 30-50min；
C. by bisphenol A type epoxy resin E-44 with 1:3-5 is dissolved in propylene glycol monomethyl ether, adds benzoyl peroxide, acrylic acid,
It is warming up to 105-115 DEG C of reaction 2-3h, stirring lower 1:4-6 adds N, N- dimethylethanolamines and water, and tune pH is 7-8, and addition has
Machine montmorillonite, 80-90 DEG C is reacted 1-2h, stand-by；
D. by tetraethyl orthosilicate, water, ethanol with mol ratio 1:5-10:8-20 mixes, and it is catalyst to add weak acid citric acid, is adjusted
PH value of solution is 3-5, and stirring reaction 2-4h, tetraethyl orthosilicate partial hydrolysis obtains silicon dioxide gel；
E. resulting material in a, b, c, d is mixed, adds cement, steel fibre, calcined diatomite, stirred, mixture is applied
Plus uniform magnetic field；
F. by reinforcing bar treatment obtain framework of steel reinforcement shaping, by e resulting material input wherein, start overhang-roll tubing machine, overhang roll into
Type, steam curing, the demoulding, obtain a kind of modified corrosion resistant type reinforced concrete sewer pipe of silicon dioxide gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611157982.0A CN106673568A (en) | 2016-12-15 | 2016-12-15 | Silica sol-modified corrosion-resistant reinforced concrete drain pipe and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611157982.0A CN106673568A (en) | 2016-12-15 | 2016-12-15 | Silica sol-modified corrosion-resistant reinforced concrete drain pipe and preparation method thereof |
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| CN106673568A true CN106673568A (en) | 2017-05-17 |
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| CN201611157982.0A Pending CN106673568A (en) | 2016-12-15 | 2016-12-15 | Silica sol-modified corrosion-resistant reinforced concrete drain pipe and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824333A (en) * | 2019-03-07 | 2019-05-31 | 广西壮族自治区水利科学研究院 | A kind of low alkali, enhancing concrete for plant growth cementitious material and preparation method thereof |
| CN112624723A (en) * | 2021-01-13 | 2021-04-09 | 杭州申华混凝土有限公司 | Freeze-thaw resistant concrete and preparation method thereof |
| CN115521198A (en) * | 2022-09-16 | 2022-12-27 | 宁波王龙科技股份有限公司 | Diluted acid hydrolysis process |
| CN115572103A (en) * | 2022-11-10 | 2023-01-06 | 深圳市华越新材料有限公司 | Light construction waste reclaimed sand and production method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320775A (en) * | 2010-09-07 | 2012-01-18 | 深圳市陆基建材技术有限公司 | Seawater corrosion resisting mineral additive for concrete, and preparation method thereof |
| CN103224356A (en) * | 2013-02-07 | 2013-07-31 | 黄贺明 | Green environmentally-friendly powder reinforced concrete water delivery pipe |
| CN104478476A (en) * | 2014-11-20 | 2015-04-01 | 济南大学 | Modifier for cement concrete and method for improving performance of cement concrete |
| CN105948803A (en) * | 2016-06-02 | 2016-09-21 | 湖州汇能新材料科技有限公司 | Preparing method for aerated concrete products |
-
2016
- 2016-12-15 CN CN201611157982.0A patent/CN106673568A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320775A (en) * | 2010-09-07 | 2012-01-18 | 深圳市陆基建材技术有限公司 | Seawater corrosion resisting mineral additive for concrete, and preparation method thereof |
| CN103224356A (en) * | 2013-02-07 | 2013-07-31 | 黄贺明 | Green environmentally-friendly powder reinforced concrete water delivery pipe |
| CN104478476A (en) * | 2014-11-20 | 2015-04-01 | 济南大学 | Modifier for cement concrete and method for improving performance of cement concrete |
| CN105948803A (en) * | 2016-06-02 | 2016-09-21 | 湖州汇能新材料科技有限公司 | Preparing method for aerated concrete products |
Non-Patent Citations (1)
| Title |
|---|
| 穆惠民: "《中国建材技术装备制造安装维护与修理》", 30 September 2002 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824333A (en) * | 2019-03-07 | 2019-05-31 | 广西壮族自治区水利科学研究院 | A kind of low alkali, enhancing concrete for plant growth cementitious material and preparation method thereof |
| CN109824333B (en) * | 2019-03-07 | 2021-07-20 | 广西壮族自治区水利科学研究院 | Cementing material for low-alkali reinforced vegetation concrete and preparation method thereof |
| CN112624723A (en) * | 2021-01-13 | 2021-04-09 | 杭州申华混凝土有限公司 | Freeze-thaw resistant concrete and preparation method thereof |
| CN115521198A (en) * | 2022-09-16 | 2022-12-27 | 宁波王龙科技股份有限公司 | Diluted acid hydrolysis process |
| CN115572103A (en) * | 2022-11-10 | 2023-01-06 | 深圳市华越新材料有限公司 | Light construction waste reclaimed sand and production method thereof |
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Application publication date: 20170517 |