18.2.3. Construction Joints

Try these first

1. 1.

   What is the primary purpose of construction joints in concrete pavements?

   Hint

   Think about what happens when construction stops.

2. 2.

   Name one common installation technique for construction joints.

   Hint

   Consider methods to maintain positions during pouring.

3. 3.

   What are construction joints used for in concrete pavements?

   • To allow for thermal expansion
   • To connect two slabs of concrete
   • To accommodate construction stops

   Hint

   Think about what happens when construction is paused.

4. 4.

   True or False: Construction joints always need to be visible after installation.

   • True
   • False

   Hint

   Consider their role versus aesthetic appearance.

5. 5.

   Design a set of construction joints for a new concrete pavement in a commercial parking lot considering load, temperature changes, and water drainage.

   Hint

   Consider both functional and environmental factors.

6. 6.

   Assess and analyze a failed concrete pavement due to improper construction joint installation. Suggest ways to remedy the situation.

   Hint

   Think of long-term impacts of initial design flaws.