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Chemistry of Portland Cement Clinker
Description
The users of Portland cement also have considerable expectations with regard to the material’s performance. It is expected to react with water in a controlled manner, producing hydrated minerals which not only develop strength, but also produce a dense hardened product which can protect embedded reinforcing steel and resist attack by the elements.
Audience
New Geologists, Engineers, Chemists who are working in Cement Field.
Topics
Nature of Portland Cement
- Brief history of Portland cement manufacture
- Raw materials and chemical composition of clinker
- The clinker minerals
- Oxide proportions in clinker.
Clinckering Reactions
- Importance of clinker flux
- Sequence of clinkering reactions
- Influence of kiln atmosphere
The Control Ratios
- Formulae
- Lime saturation factor
- Silica ratio
- Alumina ratio
- Sensitivity of LSF and C3S content to chemistry variations
- Typical values for control ratios in production clinker
- Use of control ratios to proportion raw materials
Raw Mix Mineralogy and Homogeneity
- Mineralogy
- Homogeneity
Minor Constituents
Determination of Chemical Compound Composition
- Chemical composition
- Compound composition
Special Clinker
- Types
- Sulfate resisting clinker
- White cement clinker
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