Research Paper on Cementitious Materials in Concrete
Cementitious Materials in Concrete
- Define and classify various cementitious materials;
- Understand the effects of cement fineness on water demand and concrete strength properties
- Recognize the importance of controlling the heat of hydration in concrete; and
- Identify the types of blended cement and the performance benefits of each for certain applications.
- List the standard tests used to determine properties of hydraulic cement;
- Understand why the water demand changes when using fly ash and pozzolans;
- Discuss the differences in strength gain for concretes with and without pozzolan replacement of cement; and
- Recognize the advantages of using ground granulated blast furnace slag and silica fume in concrete.
- Explain the synergistic effects of using multiple Supplementary Cementitious Materials (SCMs) in a concrete mixture.
- Recall methodologies for evaluating ternary and quaternary blends of materials for use in concrete.
- Describe considerations for construction using ternary and quaternary blends of materials in concrete.
- Identify approaches to specifying ternary and quaternary blends of materials for use in concrete.
- Define High-Reactivity Metakaolin (HRM).
- Describe the typical manufacturing process of HRM.
- Recognize applications that can benefit from using HRM.
- Prepare mixture designs using HRM.
- Define alternative cement.
- Identify the drivers for the development of alternative cements.
- Recognize the benefits of using alternative cements.
- Recognize the challenges alternative cements face in the concrete industry.
- Identify and explain the short-term and long term strength gains associated with the use of supplementary cementitious materials and their effect on the durability of concrete.
- Analyze case studies and be able to explain the practical ways in which slag cement in combination with other cementitious materials can elevate the performance of concrete.
- Explain how slag cement produces less permeable concrete.
- Describe and explain the benefits of using slag cement in reference to workability, slump and finishing properties and how it compares to other materials.
- Identify the sustainable benefits of slag cement and the resources SCA has to test the different effects of mix design.
- Describe what is included in the ACI 233R-17 Guide to the Use of Slag Cement in Concrete and Mortar, and how to navigate the document for future slag cement related questions they may have.
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