STRUCTURAL JOINTS

Question 1

Isolation joints

Answer 1

Also called expansion joints, allow movement between columns, slabs and walls BCI 3.19

Question 2

Construction Joints

Answer 2

typically between two different pours of concrete in a slab. However can also be utilized as isolation or control joints if it is necessary BCI 3.19

Question 3

Control Joints

Answer 3

Created intentionally to give some room to concrete to crack in case a tensile stress.
-Suggested location at 15’ to 20’ O.C. or when it is necessary to turn an irregularly shaped slab into rectangular or square sections

Question 4

Where is the location of a construction joint

Answer 4

two different pours of concrete in a slab

Question 5

Where is the location of a control joint?

Answer 5

This is an intentional crack in a slab

Question 6

Where is the location of an isolation joint/ expansion joint

Answer 6

this is located between two structural components between columns, slabs, or walls