Concrete & Cement-Based Materials Lecture 03 Quiz
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Questions and Answers

Which material is made of finely pulverized clay and limestone, used as an ingredient in concrete or mortar?

  • Terrazzo
  • Grout
  • Cement (correct)
  • Cast stone
  • What is the color and texture of cured cement?

  • Multicolored
  • Vibrant red
  • Transparent
  • Uniform gray or white (correct)
  • Which of the following is an application for cement?

  • Poured terrazzo
  • Overlays (correct)
  • Manufactured finishes
  • Historical context
  • What is the source of terrazzo?

    <p>Epoxy matrices</p> Signup and view all the answers

    Which type of terrazzo involves placing precast units and filling the joints with a colored matrix binder?

    <p>Precast terrazzo</p> Signup and view all the answers

    What is the primary function of cement in concrete or mortar?

    <p>To act as a binder</p> Signup and view all the answers

    What is one way terrazzo can be constructed?

    <p>Sand cushion</p> Signup and view all the answers

    Which material is concrete made of?

    <p>Cement and aggregates</p> Signup and view all the answers

    What is a characteristic of concrete's strength?

    <p>It can be improved by steel reinforcement</p> Signup and view all the answers

    Which type of terrazzo installation is monolithic?

    <p>Epoxy</p> Signup and view all the answers

    What can improve concrete's tensile strength?

    <p>Incorporating steel reinforcement</p> Signup and view all the answers

    What can concrete be formed into when newly mixed?

    <p>Almost any shape</p> Signup and view all the answers

    What is a key advantage of concrete in terms of fire resistance?

    <p>It naturally resists fire</p> Signup and view all the answers

    Which type of concrete is typically delivered to the construction site by truck?

    <p>Cast-in-place concrete</p> Signup and view all the answers

    What kind of concrete products are made in a factory under controlled conditions?

    <p>Precast concrete</p> Signup and view all the answers

    What binder did the ancient Romans use to make concrete?

    <p>Pozzolana cement</p> Signup and view all the answers

    Which process causes the cement particles to link together with the aggregates in concrete?

    <p>Hydration</p> Signup and view all the answers

    Which application example is given for precast concrete?

    <p>Precast concrete bench</p> Signup and view all the answers

    Study Notes

    Cement

    • Made from finely pulverized clay and limestone, used as an ingredient in concrete or mortar.
    • Acts as a binder, a substance that sets and hardens independently and can hold other materials together.
    • Cured cement is a hard, dense solid with a rough texture.

    Applications of Cement

    • Mortar
    • Grout
    • Overlays
    • Cast stone

    Terrazzo

    Source of Terrazzo

    • Made from cement, aggregates, and water.

    Specifications & Characteristics of Terrazzo

    • Can be constructed in various installation methods (e.g., sand cushion, bonded, monolithic, epoxy, polyacrylate, or rustic).
    • Precast terrazzo tiles and bases are usually installed, finished, and polished.

    Applications of Terrazzo

    • Precast terrazzo
    • Poured terrazzo
    • Concert

    Concert

    Source of Concert

    • Made from cement, aggregates, and water.

    Specifications & Characteristics of Concert

    • Historical context: used in building construction.

    Concrete

    Source of Concrete

    • Made by mixing cement and aggregates with enough water to cause the cement to set, binding the entire mass.

    Specifications & Characteristics of Concrete

    • An artificial stone-like material.
    • Aggregates for concrete are dug from gravel pits or along rivers or crushed from larger rocks.
    • Concrete is widely used as a building material and appears in interiors as both an integral and an applied finish.
    • Physical properties:
      • Like plastic and malleable when newly mixed.
      • Strong and durable in compression and becomes stronger with time.
      • Tensile strength can be improved by the addition of steel reinforcement.
      • Inherently fire-resistant.
      • Accepts a wide variety of surface finishes and textures.

    Types of Concrete

    • Cast-in-place: concrete is poured into formwork on site.
    • Precast concrete: products are made in a factory under controlled conditions.

    Applications of Concrete

    • Historical Context: The ancient Romans made concrete with pozzolana cement as a binder, and pumice or brick rubble as fillers.
    • Precast concrete: used for structural and nonstructural uses.
    • Examples: Precast concrete bench.

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    Description

    Test your knowledge about cement, mortar, grout, overlays, cast stone, terrazzo, and their specifications, characteristics, and applications. Learn about the environmental impact and sustainability of terrazzo.

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