Структура за темами

  • Загальне

  • Topic 1

    GENERAL INFORMATION ON DISPERSED AND COLLOIDAL SYSTEMS, THEIR CLASSIFICATION, PROPERTIES, STRUCTURE FORMATION

    1. Classification by state of aggregation.
    2. The main properties of colloid systems: dispersion, heterogeneity, phase interface surface.
    3. Types of structures: crystallization, condensation, coagulation.

    4. Types and varieties of structural connections.

    • Topic 2

      SURFACE PHENOMENA IN DISPERSED SYSTEMS

      1. Peculiarities of properties of small particles
      2. Classification of surface phenomena
      3. Surface tension
      4. Surface tension of solutions
      5. Wetting
      6. Adhesion and cohesion
      7. Adsorption


      • Topic 3

        RHEOLOGICAL PROPERTIES OF DISPERSED SYSTEMS

        1. The concept of elasticity, viscosity, viscoelasticity.
        2. The essence of creep and stress relaxation phenomena.
        3. Temperature-time dependence of rheological properties: viscosity, elasticity, strength, durability.


        • Topic 4

          RHEOLOGICAL PROPERTIES OF BITUMEN AND ASPHALT CONCRETE

          1. Rheological properties of bitumen.
          2. Rheological properties of asphalt concrete

          • Topic 5

            STRUCTURE FORMATION AND COLLOIDAL PROPERTIES OF BITUMEN EMULSIONS

            1. The concept of emulsions.
            2. Classification of emulsions.
            3. Characteristics of emulsifiers.
            4. Composition of bitumen emulsions
            5. Physico-chemical, rheological and technological properties of different types of emulsions.

            • Topic 6

              MODIFICATION OF BITUMEN WITH POLYMERS AND THE INFLUENCE OF MODIFICATION ON THE PROPERTIES OF ASPHALT CONCRETE

              1. Influence of polymer content on the structure of polymer-modified bitumen (PMB).
              2. Technical properties of PMB.
              3. Technological properties of PMB.
              4. The influence of bitumen modification with polymers on the properties of asphalt polymer concrete.

              • Topic 7

                FUNDAMENTALS OF STRUCTURE FORMATION IN MULTI-COMPONENT SYSTEMS OF ROAD-BUILDING MATERIALS

                1. Relationship of texture, structure and properties of cement concrete.
                2. The role of aggregates and their nature in the structuring of concrete.
                3. The influence of excess mixing water on the processes of structure formation. Ways to reduce the amount of mixing water.
                4. The role of the air phase in cement stone – a microstructural component of concrete.
                5. The concept of the quality of concrete as materials with a conglomerate structure. Long-term strength (durability) as the main quality criterion. Homogeneity of concrete is a factor that determines its strength and durability.

                • Topic 8

                  PROPERTIES OF MIXTURES RELATED TO THE TECHNOLOGY OF MANUFACTURING CEMENT CONCRETES WITH DEFINED PROPERTIES

                  1. Structural and rheological properties of cement-concrete mixtures at the stage of preparation, transportation and formation of products.
                  2. Ways of regulating the rheological properties of concrete mixtures in the process of preparation, transportation, placing and compaction.
                  3. Regulation of the parameters of technological operations in production conditions in order to increase the homogeneity of concrete.