7.2. Materials for HPC

Try these first

1. 1.

   What is the primary function of Ordinary Portland Cement?

   Hint

   Consider the role of cement in binding.

2. 2.

   Name one type of supplementary cementitious material.

   Hint

   Think about the materials that enhance concrete performance.

3. 3.

   What type of cement is commonly used in HPC?

   • Ordinary Portland Cement
   • Aluminous Cement
   • Lime Cement

   Hint

   Think about the most common forms of cement.

4. 4.

   True or False: All forms of water can be used in HPC without any complications.

   • True
   • False

   Hint

   Consider the quality requirements for HPC.

5. 5.

   Calculate the water-cement ratio required for an HPC mix if the target compressive strength is 70 MPa, considering the specifications provided.

   Hint

   Use the guidelines of lower ratios for higher strengths.

6. 6.

   Discuss the impacts of using low-grade aggregates in an HPC mix. What are the potential failings?

   Hint

   Reflect on how aggregates influence the overall concrete properties.