GB936078A - Pozzolanic cements and process for their production - Google Patents
Pozzolanic cements and process for their productionInfo
- Publication number
- GB936078A GB936078A GB2899660A GB2899660A GB936078A GB 936078 A GB936078 A GB 936078A GB 2899660 A GB2899660 A GB 2899660A GB 2899660 A GB2899660 A GB 2899660A GB 936078 A GB936078 A GB 936078A
- Authority
- GB
- United Kingdom
- Prior art keywords
- clinker
- puzzuolanas
- gypsum
- cement
- mixture
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—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
- C04B28/023—Barium cements
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
A puzzuolanic cement consists of a mixture of siliceous barium cement clinker and natural puzzuolanas to which gypsum may be added as a setting regulator. A suitable mixture comprises 25.75% clinker, 20-70% puzzuolanas and 0,5% gypsum, the clinker preferably containing in terms of oxides: 7-10% SiO2; 75-85% BaO; 0,5% CaO; 3-5% Al2O3; 2-5% Fe2O3; 0-2% MgO; 0-2% alkali-metal oxides. The cement may be prepared by burning either a mixture of finely divided barytes or witherite powder with silicate-containing fireclay, and pyrites; or alternatively, a natural barytes or witherite containing mineral impurities, to form the clinker which is then ground and mixed with the puzzuolanas and gypsum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2899660A GB936078A (en) | 1960-08-22 | 1960-08-22 | Pozzolanic cements and process for their production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2899660A GB936078A (en) | 1960-08-22 | 1960-08-22 | Pozzolanic cements and process for their production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB936078A true GB936078A (en) | 1963-09-04 |
Family
ID=10284586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2899660A Expired GB936078A (en) | 1960-08-22 | 1960-08-22 | Pozzolanic cements and process for their production |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB936078A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5573588A (en) * | 1994-02-14 | 1996-11-12 | Board Of Regents, The University Of Texas System | Concretes containing Class C fly ash that are stable in sulphate environments |
-
1960
- 1960-08-22 GB GB2899660A patent/GB936078A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5573588A (en) * | 1994-02-14 | 1996-11-12 | Board Of Regents, The University Of Texas System | Concretes containing Class C fly ash that are stable in sulphate environments |
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