Q. Most chemically active concrete aggregate are from

A
Igneous rock
B
Sedimentary rock
C
Metamorphic rock
D
Sand stones
Solution:
  • Most chemically active concrete aggregate are from Igneous rock.
  • Igneous rocks commonly are hard, tough, and dense, and make an excellent source of crushed stone.
  • Certain extrusive rocks are too porous to make good aggregate and other highly siliceous igneous rocks tend to chemically react with alkali when used as aggregate in concrete.
Entri PDF Icon

Get Question Bank

Strengthen Your Practice with our comprehensive question bank.

Entri Contact Image

Get Expert Advice for Free: Register for Your Free Consultation Now!