tailieunhanh - CONCRETE. RAW MATERIALS

Concrete can be classified as composite material and that is a combination of different components which improve their performance properties. In general case binder component which can be in hard crystalline or amorphous state is considered as the matrix of composite material. In concrete matrix phase the grains of aggregates (dispersed phase) are uniformly distributed. | CHAPTER 1 CONCRETE. RAW MATERIALS L. Dvorkin and . Concrete. General Concrete can be classified as composite material and that is a combination of different components which improve their performance properties. In general case binder component which can be in hard crystalline or amorphous state is considered as the matrix of composite material. In concrete matrix phase the grains of aggregates dispersed phase are uniformly distributed. 22 Concrete classification Classification indication Types of concrete Cement Gypsum Lime Slag-alkaline Polymer Polymer-cement Types of binders Density Normal-weight High-weight Light-weight Types of aggregates Normal-weight Heavy-weight Light-weight Inorganic Organic Size of aggregates Coarse Fine Workability of concrete mixtures Stiff and Plastic consistency Porosity of concrete High-density Low-density Cellular Typical properties High-strength Resistance to action of acids or alkalis Sulfate resistance Rapid hardening Decorativeness Structural concrete Concrete for road and hydrotechnical Exploitation purpose construction Concrete for thermal isolation Radiation-protective concrete White and Coloured concrete .