20.3 - Issue: Strength too low
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What does a high water-cement ratio lead to in concrete strength?
💡 Hint: Think about the relationship between water and cement.
Which factor is important to check when mixing concrete?
💡 Hint: Consider how precise measurements affect the mix.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is a major cause of low concrete strength?
💡 Hint: Think about the effect of too much water.
True or False: Accurate batching is critical for achieving the desired concrete strength.
💡 Hint: Remember why precise measurements are needed.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
You tested a concrete mix and found it only reaches 18 MPa strength, below your target of 25 MPa. List three ways you would adjust your mix.
💡 Hint: Think about what is missing or too high in your mix.
During a slump test, you found the concrete mix was too stiff. What steps can you take to improve its workability?
💡 Hint: Workability means how easy it is to pour and shape the concrete.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.