A concrete masonry unit has actual gross dimensions of 190 mm * 190 mm * 190 mm. The unit is tested in a compression machine with the following results: Maximum failure load = 370 kN Net volume = 5125...

A concrete masonry unit has actual gross dimensions of 190 mm * 190 mm *

190 mm. The unit is tested in a compression machine with the following

results:

Maximum failure load = 370 kN

Net volume = 5125 cm3

a. Is the unit categorized as solid or hollow? Why?

b. Calculate the gross area compressive strength.

c. Calculate the net area compressive strength.