Blog

For the following compound names, match the correct composition (using cement chemistry notation)

Name at least 5 of the 8 sources of water that can make it into a concrete mixture.

How does the rapid chloride migration test (NT Build 492) accelerate the chloride penetration into the concrete? 

Describe the Tuutti model and what it is used for.

Describe the interfacial transition zone, including why it forms, why it is important in concrete, and what can be done about it? 

You are working on a high rise construction project, and the mat foundation has a specification that requires the compressive strength to be 6000 psi. The mixture has 50% fly ash. You are worried about the concrete mixture having low strength. Which of the following changes in specification would help you show compliance with the strength requirement? 

Describe galvanization and the theory behind how it works. 

A narrative should be written using  ______________ person pronouns.

What is inappropriate about the following sentence? “The considerate doctor commends a nurse when she provides his patients with good care.”

A narrative should be written in ________________ tense.