9.13.2. Acid Attack

Try these first

1. 1.

   What is an acid attack?

   Hint

   Think about how acids interact with concrete.

2. 2.

   Name one symptom of an acid attack.

   Hint

   How does the concrete's appearance change?

3. 3.

   What is the main component of concrete that reacts with acids?

   • Silica
   • Calcium Hydroxide
   • Sand

   Hint

   Think about which material is present in large amounts in concrete.

4. 4.

   True or False: Silica fume enhances the acid resistance of concrete.

   • True
   • False

   Hint

   Consider the role of additives in concrete performance.

5. 5.

   Consider a concrete structure exposed to both acidic and wet conditions. What architectural features would you recommend to enhance its durability?

   Hint

   Think about layers of defense against acid.

6. 6.

   A concrete bridge shows signs of acid attack. How would you assess the level of damage and recommend repairs?

   Hint

   Assessing the surface isn't enough; you might need deeper checks.