CN113105196A - Efficient corrosion-resistant mortar - Google Patents
Efficient corrosion-resistant mortar Download PDFInfo
- Publication number
- CN113105196A CN113105196A CN202110370200.6A CN202110370200A CN113105196A CN 113105196 A CN113105196 A CN 113105196A CN 202110370200 A CN202110370200 A CN 202110370200A CN 113105196 A CN113105196 A CN 113105196A
- Authority
- CN
- China
- Prior art keywords
- parts
- mortar
- acid
- resistant
- water
- 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.)
- Pending
Links
Images
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
- C04B28/06—Aluminous 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
- 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
- C04B2111/23—Acid resistance, e.g. against acid air or rain
-
- 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 invention discloses high-efficiency corrosion-resistant mortar which comprises the following raw materials in parts by weight: 150-250 parts of high-alumina cement, 100-300 parts of quartz sand, 50-100 parts of filler, 0.2-0.5 part of coagulant, 0.2-0.4 part of retarder, 0.2-0.4 part of cellulose ether, 0.4-0.6 part of sodium fluosilicate, 0.4-0.6 part of water reducer, 1-2 parts of acid-resistant assistant, 17-25 parts of siliceous assistant, 6-10 parts of neoprene latex and 40-50 parts of water. Has the advantages that: according to the invention, by optimizing the raw materials and the proportion of the mortar, the finished mortar has stronger corrosion resistance, can effectively realize the corrosion effects of acid resistance, alkali resistance, salt resistance and other chemicals, further can greatly prolong the service life of a building under the condition of not increasing the construction process, meets the application in a high-concentration acidic environment, and can better meet the requirements of building construction.
Description
Technical Field
The invention relates to the technical field of construction chemical materials, in particular to high-efficiency corrosion-resistant mortar.
Background
With the rapid development of economy and the continuous expansion of urban construction scale, infrastructure construction and various industrial buildings are more and more, and the construction environment is more and more complex. Especially, in the construction of municipal sewage treatment facilities and special industrial construction (such as chemical plants, steel mills, etc.), the safety life of buildings is greatly reduced due to the corrosion of chemical substances such as acid, alkali, salt, etc.
However, most of the existing anticorrosive mortar in the market is prepared by mixing ordinary silica cement and water glass, and can only resist the corrosion of low-concentration acidic environment (about 10% or even lower). Therefore, the invention provides the high-efficiency corrosion-resistant mortar, which can greatly prolong the service life of a building without increasing construction procedures in the construction process and has great economic and social benefits.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides high-efficiency corrosion-resistant mortar to overcome the technical problems in the prior related art.
Therefore, the invention adopts the following specific technical scheme:
according to one aspect of the invention, the high-efficiency corrosion-resistant mortar is provided, and comprises the following raw materials in parts by weight:
150-250 parts of high-alumina cement, 100-300 parts of quartz sand, 50-100 parts of filler, 0.2-0.5 part of coagulant, 0.2-0.4 part of retarder, 0.2-0.4 part of cellulose ether, 0.4-0.6 part of sodium fluosilicate, 0.4-0.6 part of water reducer, 1-2 parts of acid-resistant assistant, 17-25 parts of siliceous assistant, 6-10 parts of neoprene latex and 40-50 parts of water.
Further, the quartz sand comprises 50-150 parts of 20-40 mesh quartz sand and 50-150 parts of 40-80 mesh quartz sand.
Further, the filler is silica fume, and the viscosity of the cellulose ether is 10W.
Further, the coagulant is lithium carbonate, the retarder is tartaric acid, and the water reducing agent is polycarboxylic acid.
Further, the acid-resistant auxiliary agent is modified asphalt, and the siliceous auxiliary agent is water glass and silica sol.
According to another aspect of the invention, the high-efficiency corrosion-resistant mortar is provided, and comprises the following raw materials in parts by weight:
150-250 parts of high-alumina cement, 100-300 parts of quartz sand, 50-100 parts of filler, 0.2-0.3 part of siliceous auxiliary agent, 0.2-0.5 part of coagulant, 0.2-0.4 part of retarder, 0.2-0.4 part of cellulose ether, 0.4-0.6 part of sodium fluosilicate, 0.4-0.6 part of water reducing agent, 1-2 parts of acid-resistant auxiliary agent and 80-100 parts of water.
Further, the quartz sand comprises 50-150 parts of 20-40 mesh quartz sand and 50-150 parts of 40-80 mesh quartz sand.
Further, the filler is silica fume, and the viscosity of the cellulose ether is 10W.
Further, the coagulant is lithium carbonate, the retarder is tartaric acid, and the water reducing agent is polycarboxylic acid.
Further, the acid-resistant auxiliary agent is modified asphalt, and the siliceous auxiliary agent is solid water glass and silicon dioxide.
The invention has the beneficial effects that: by optimizing the raw materials and the proportion of the mortar, the finished mortar has stronger corrosion resistance, can effectively realize the corrosion effects of acid resistance, alkali resistance, salt resistance and other chemicals, further can greatly prolong the service life of a building under the condition of not increasing the construction process, meets the application in a high-concentration acidic environment, and can better meet the requirements of building construction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a sample block in high-efficiency corrosion-resistant mortar according to an embodiment of the invention;
FIG. 2 is a schematic diagram of pictures before and after an experiment of a sample block in the high-efficiency corrosion-resistant mortar according to another embodiment of the invention.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to an embodiment of the invention, a high-efficiency corrosion-resistant mortar is provided.
The invention is further illustrated by the accompanying drawings and the detailed description, and according to an embodiment of the invention, a high-efficiency corrosion-resistant mortar is provided, which is composed of two-component raw materials of a component a and a component B, wherein the component a comprises high alumina cement, quartz sand, filler, a coagulant, a retarder, cellulose ether, sodium fluorosilicate, a water reducing agent and an acid-resistant auxiliary agent, the component B comprises a siliceous auxiliary agent, neoprene latex and water, and specifically, the high-efficiency corrosion-resistant mortar comprises the following raw materials in parts by weight:
150-250 parts of high-alumina cement, 100-300 parts of quartz sand, 50-100 parts of filler, 0.2-0.5 part of coagulant, 0.2-0.4 part of retarder, 0.2-0.4 part of cellulose ether, 0.4-0.6 part of sodium fluosilicate, 0.4-0.6 part of water reducer, 1-2 parts of acid-resistant assistant, 17-25 parts of siliceous assistant, 6-10 parts of neoprene latex and 40-50 parts of water.
Wherein the quartz sand consists of 50-150 parts of 20-40 mesh quartz sand and 50-150 parts of 40-80 mesh quartz sand; the filler is silica fume, and the viscosity of the cellulose ether is 10W; the coagulant is lithium carbonate, the retarder is tartaric acid, and the water reducing agent is polycarboxylic acid; the acid-resistant auxiliary agent is modified asphalt, and the siliceous auxiliary agent is water glass and silica sol.
For the convenience of understanding the technical scheme of the invention, the following detailed description is about the specific implementation of the invention in the practical process.
Example one
The efficient corrosion-resistant mortar comprises the following raw materials in parts by weight:
150 parts of high-alumina cement, 100 parts of quartz sand, 50 parts of filler, 0.2 part of coagulant, 0.2 part of retarder, 0.2 part of cellulose ether, 0.4 part of sodium fluosilicate, 0.4 part of water reducer, 1 part of acid-resistant assistant, 17 parts of siliceous assistant, 6 parts of neoprene latex and 40 parts of water.
Example two
The efficient corrosion-resistant mortar comprises the following raw materials in parts by weight:
200 parts of high-alumina cement, 200 parts of quartz sand, 75 parts of filler, 0.35 part of coagulant, 0.3 part of retarder, 0.3 part of cellulose ether, 0.5 part of sodium fluosilicate, 0.5 part of water reducer, 1.5 parts of acid-resistant assistant, 21 parts of siliceous assistant, 8 parts of neoprene latex and 45 parts of water.
EXAMPLE III
The efficient corrosion-resistant mortar comprises the following raw materials in parts by weight:
250 parts of high-alumina cement, 300 parts of quartz sand, 100 parts of filler, 0.5 part of coagulant, 0.4 part of retarder, 0.4 part of cellulose ether, 0.6 part of sodium fluosilicate, 0.6 part of water reducer, 2 parts of acid-resistant assistant, 25 parts of siliceous assistant, 10 parts of neoprene latex and 50 parts of water.
According to another embodiment of the invention, the high-efficiency corrosion-resistant mortar is composed of a single component, and specifically, the high-efficiency corrosion-resistant mortar comprises the following raw materials in parts by weight:
150-250 parts of high-alumina cement, 100-300 parts of quartz sand, 50-100 parts of filler, 0.2-0.3 part of siliceous auxiliary agent, 0.2-0.5 part of coagulant, 0.2-0.4 part of retarder, 0.2-0.4 part of cellulose ether, 0.4-0.6 part of sodium fluosilicate, 0.4-0.6 part of water reducing agent, 1-2 parts of acid-resistant auxiliary agent and 80-100 parts of water.
Wherein the quartz sand consists of 50-150 parts of 20-40 mesh quartz sand and 50-150 parts of 40-80 mesh quartz sand; the filler is silica fume, and the viscosity of the cellulose ether is 10W; the coagulant is lithium carbonate, the retarder is tartaric acid, and the water reducing agent is polycarboxylic acid; the acid-resistant auxiliary agent is modified asphalt, and the siliceous auxiliary agent is solid water glass and silicon dioxide.
For the convenience of understanding the technical scheme of the invention, the following detailed description is about the specific implementation of the invention in the practical process.
Example four
The efficient corrosion-resistant mortar comprises the following raw materials in parts by weight:
150 parts of high-alumina cement, 100 parts of quartz sand, 50 parts of filler, 0.2 part of siliceous auxiliary agent, 0.2 part of coagulant, 0.2 part of retarder, 0.2 part of cellulose ether, 0.4 part of sodium fluosilicate, 0.4 part of water reducing agent, 1 part of acid-resistant auxiliary agent and 80 parts of water.
EXAMPLE five
The efficient corrosion-resistant mortar comprises the following raw materials in parts by weight:
200 parts of high-alumina cement, 200 parts of quartz sand, 75 parts of filler, 0.25 part of siliceous auxiliary agent, 0.35 part of coagulant, 0.3 part of retarder, 0.3 part of cellulose ether, 0.5 part of sodium fluosilicate, 0.5 part of water reducing agent, 1.5 parts of acid-resistant auxiliary agent and 90 parts of water.
EXAMPLE six
The efficient corrosion-resistant mortar comprises the following raw materials in parts by weight:
250 parts of high-alumina cement, 300 parts of quartz sand, 100 parts of filler, 0.3 part of siliceous auxiliary agent, 0.5 part of coagulant, 0.4 part of retarder, 0.4 part of cellulose ether, 0.6 part of sodium fluosilicate, 0.6 part of water reducing agent, 2 parts of acid-resistant auxiliary agent and 100 parts of water.
In addition, in order to better embody the effects brought by the present invention, the following experiments are also included, specifically:
the experimental conditions were as follows:
A. two-component experimental conditions:
firstly, experimental conditions:
1.1) test block preparation: the raw materials mainly comprise high-alumina cement, and refined sand is selected as a framework and an acid-resistant liquid auxiliary agent;
1.2) sample age is: maintaining the test block for 15 days;
second, experimental data
2.1) data sheet
Remarking: selecting 3 samples; concentration of nitric acid: 98 percent; test time: for 24 hours.
2.2) leaving the acid treatment mode: adding pure alkali solution, and cleaning in clear water.
2.3) appearance of sample block: the surface is intact and has no change, no cracking, no falling off and no bulging.
2.4) pictures before and after the sample block experiment are shown in FIG. 1.
Third, experimental phenomena:
3.1) placing the test block into an alkali treatment solution to generate a large amount of bubbles (analyzed as CO)2) This phenomenon lasts 2-3 minutes.
3.2) when the acid-soaked test block is used for a compression resistance experiment, the volatile gas of nitric acid obviously overflows when the test block is damaged, and the No. 1 sharp taste is very heavy. Number 3 is the lightest and number 2 is centered.
3.3) weight gain: the concentrated acid liquid enters the test block and is held in the test block, thus causing a weight gain.
3.4) enhancing: the test block and the concentrated acid react chemically to compact the mortar and greatly increase the strength of the mortar. The compact mortar is tightly coated with the acid component which is infiltrated into the interior.
B. Single component experimental conditions:
firstly, experimental conditions:
1.1) test block preparation: the raw materials mainly comprise high-alumina cement, and refined sand is selected as a framework and an acid-resistant dry powder auxiliary agent;
1.2 sample age is: maintaining the test block for 28 days;
second, experimental data
2.1) data sheet
Remarking: selecting 2 samples; concentration of nitric acid: 98 percent; test time: 72h/24 h.
2.2) leaving the acid treatment mode: cleaning in clear water.
2.3) appearance of sample block: the surface of the test piece is intact and unchanged when the test piece leaves the acid liquor, and the test piece has no cracking, falling and bulging phenomena, and the surface of the test piece has the falling phenomenon when the test piece is washed by clear water.
2.4) pictures before and after the sample block experiment are shown in FIG. 2.
Third, experimental phenomena:
3.1) air bubbles were generated during the test piece washing treatment, and this phenomenon lasted for about 1 minute.
And 3.2) no acid gas emerges from the test piece after the fracture/compression resistance, and the inside of the fracture surface is dry, which indicates that acid does not enter the inside of the test piece.
3.3) weight reduction: the surface of the test piece falls off after cleaning, so that the weight of the test piece is reduced, and the weight reduction proportion is about 5% (72h/24 h).
3.4) compression damping: the surface of the test block and the concentrated acid react chemically to cause the surface to fall off, so the compressive strength is reduced to some extent, and the reduction range is about 15%.
C. And (3) test results:
1. two components: multiple tests show that the two-component test piece can be corroded by 98% nitric acid, the surface of the two-component test piece is free from cracking and falling off, the surface of the two-component test piece is still intact after cleaning, and a small amount of nitric acid is sealed in the test piece;
2. single component: when a single-component test piece is cleaned, the surface of the test piece falls off, but no nitric acid enters the test piece, so that the test piece has certain impermeability to nitric acid;
3. compression strength and rupture strength: the strength of the double components is increased after pickling compared with that before pickling, and the strength of the single component is reduced due to the fact that the surface of the single component falls off;
4. weight loss of the sample before and after pickling: double-component weight increasing and single-component weight loss.
In conclusion, by means of the technical scheme, the raw materials and the proportion of the mortar are optimized, so that the finished mortar has strong corrosion resistance, the corrosion effects of acid resistance, alkali resistance, salt resistance and other chemicals can be effectively realized, the service life of a building can be greatly prolonged under the condition that the construction process is not increased, the application in a high-concentration acidic environment is met, and the requirements of building construction can be better met.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The efficient corrosion-resistant mortar is characterized by comprising the following raw materials in parts by weight:
150-250 parts of high-alumina cement, 100-300 parts of quartz sand, 50-100 parts of filler, 0.2-0.5 part of coagulant, 0.2-0.4 part of retarder, 0.2-0.4 part of cellulose ether, 0.4-0.6 part of sodium fluosilicate, 0.4-0.6 part of water reducer, 1-2 parts of acid-resistant assistant, 17-25 parts of siliceous assistant, 6-10 parts of neoprene latex and 40-50 parts of water.
2. The mortar of claim 1, wherein the silica sand comprises 50-150 parts of 20-40 mesh silica sand and 50-150 parts of 40-80 mesh silica sand.
3. The mortar of claim 1, wherein the filler is silica fume and the cellulose ether has a viscosity of 10W.
4. The mortar of claim 1, wherein the setting accelerator is lithium carbonate, the setting retarder is tartaric acid, and the water reducing agent is polycarboxylic acids.
5. The mortar of claim 1, wherein the acid-resistant additive is modified asphalt, and the silica additive is water glass or silica sol.
6. The efficient corrosion-resistant mortar is characterized by comprising the following raw materials in parts by weight:
150-250 parts of high-alumina cement, 100-300 parts of quartz sand, 50-100 parts of filler, 0.2-0.3 part of siliceous auxiliary agent, 0.2-0.5 part of coagulant, 0.2-0.4 part of retarder, 0.2-0.4 part of cellulose ether, 0.4-0.6 part of sodium fluosilicate, 0.4-0.6 part of water reducing agent, 1-2 parts of acid-resistant auxiliary agent and 80-100 parts of water.
7. The mortar of claim 6, wherein the silica sand comprises 50-150 parts of 20-40 mesh silica sand and 50-150 parts of 40-80 mesh silica sand.
8. The mortar of claim 6, wherein the filler is silica fume and the cellulose ether has a viscosity of 10W.
9. The mortar of claim 6, wherein the setting accelerator is lithium carbonate, the setting retarder is tartaric acid, and the water reducing agent is polycarboxylic acids.
10. The mortar of claim 6, wherein the acid-resistant additive is modified asphalt, and the siliceous additive is solid water glass and silica.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110370200.6A CN113105196A (en) | 2021-04-07 | 2021-04-07 | Efficient corrosion-resistant mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110370200.6A CN113105196A (en) | 2021-04-07 | 2021-04-07 | Efficient corrosion-resistant mortar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113105196A true CN113105196A (en) | 2021-07-13 |
Family
ID=76714406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110370200.6A Pending CN113105196A (en) | 2021-04-07 | 2021-04-07 | Efficient corrosion-resistant mortar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113105196A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784704A (en) * | 2022-11-14 | 2023-03-14 | 北京易晟元环保工程有限公司 | Acid-corrosion-resistant concrete structure repair material, preparation method and repair construction method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173690A (en) * | 2011-01-05 | 2011-09-07 | 广东美涂士建材股份有限公司 | Acid-rain-resistant mortar for exterior wall base material processing |
| CN104341134A (en) * | 2013-12-26 | 2015-02-11 | 美巢集团股份公司 | Polymer cement water-proof coating and preparation method thereof |
-
2021
- 2021-04-07 CN CN202110370200.6A patent/CN113105196A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173690A (en) * | 2011-01-05 | 2011-09-07 | 广东美涂士建材股份有限公司 | Acid-rain-resistant mortar for exterior wall base material processing |
| CN104341134A (en) * | 2013-12-26 | 2015-02-11 | 美巢集团股份公司 | Polymer cement water-proof coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈鹏等: "《建筑材料》", 31 July 2018 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784704A (en) * | 2022-11-14 | 2023-03-14 | 北京易晟元环保工程有限公司 | Acid-corrosion-resistant concrete structure repair material, preparation method and repair construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110105025B (en) | Cement-based capillary crystalline waterproof material modified based on nano silicon-based material and preparation and application thereof | |
| CN110818366B (en) | Fair-faced concrete and preparation process thereof | |
| Siddique et al. | Acid and sulfate resistance of seawater based alkali activated fly ash: A sustainable and durable approach | |
| CN105084798B (en) | Concrete sulfate-corrosion-resistant additive and preparation method thereof | |
| CN108911607B (en) | Assembled wall material and preparation method thereof | |
| CN101648785A (en) | Alkali-free liquid setting accelerator | |
| CN104944824A (en) | Cement concrete early strength agent and early strength and water reduction agent | |
| CN107117842A (en) | A kind of regeneration aggregate formula for building and preparation technology | |
| CN109516707A (en) | A kind of preparation method for the recycled aggregate inhibiting alkali-aggregate reaction | |
| CN105776906A (en) | Additives capable of increasing slag activity | |
| WO2021082105A1 (en) | Maritime work aggregate | |
| CN102531438A (en) | Alkali-activated slag mortar | |
| CN112624720B (en) | High-chlorine ion corrosion resistance auxiliary cementing material and preparation method thereof | |
| CN113105196A (en) | Efficient corrosion-resistant mortar | |
| CN104926176A (en) | Reinforcing composition for pumping aid, reinforcing pumping aid as well as preparation method and application thereof | |
| CN106242353A (en) | A kind of ocean engineering concrete additive | |
| RU2395478C1 (en) | Autoclave foam-ash concrete | |
| JP4551697B2 (en) | Sulfuric acid resistant concrete | |
| Van Aardt et al. | Influence of alkali on the sulphate resistance of ordinary Portland cement mortars | |
| CN106186907A (en) | A kind of High-performance cast-in-place foam concrete | |
| CN105110756A (en) | Treatment method for water glass granite with high corrosion resistance | |
| CN112537926A (en) | Sulfate corrosion resistant concrete and preparation method thereof | |
| CN112456843B (en) | Fly ash chloride ion curing method | |
| Kim et al. | Influence of foaming agents on the properties of foamed concretes having various densities | |
| CN114477921B (en) | Corrosion-resistant ocean underwater concrete column and preparation method thereof |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210713 |