Description
Objectives
Learning Objective 1 – Identify various concrete ingredients and describe their purpose in a concrete mixture.
- Explain how portland cement affects a concrete mixture and list the types of portland cement.
- Describe the characteristics of aggregate used in a concrete mixture.
- List the characteristics of water used in a concrete mixture.
- List types of concrete admixtures and describe how they affect a concrete mixture.
Learning Objective 2 – Identify proper concrete mixture measurements and curing methods.
- Describe normal concrete-mix proportions and measurements.
- List special types of concrete.
- Describe the properties of air-entrained concrete.
- Describe how concrete is cured.
Learning Objective 3 – Describe the methods for testing concrete.
- Describe the proper procedure for sampling concrete.
- Explain the purpose of a slump test.
- Describe how a concrete compression test is performed.
Learning Objective 4 – Calculate concrete volume for rectangular or circular structures.
- Calculate rectangular volume.
- Calculate circular volume.
Performance Tasks
Performance Task 1 (Learning Objective 3) – Perform a concrete slump test or create a concrete test cylinder.
Performance Task 2 (Learning Objective 4) – Calculate concrete volume requirements using formulas, concrete tables, and/or concrete calculators, as applicable.
