Response of a PGNAA setup for pozzolan-based cement concrete specimens.
Pozzolanic materials are added to Portland cement concrete to increase its durability, particularly corrosion-resistance. In this study the elemental composition of a pozzolanic cement concrete was measured non-destructively utilizing an accelerator-based Prompt Gamma Ray Neutron Activation Analysis (PGNAA) setup. The optimum size of the pozzolanic cement concrete specimen was obtained through Monte Carlo simulations. The simulation results were experimentally verified through the gamma-ray yield measurement from the pozzolanic cement concrete specimens as a function of their radii. The concentration of the pozzolanic material in the cement concrete specimens was evaluated by measuring gamma-ray yield for calcium and iron from pozzolanic cement concrete specimens containing 5-80 wt% pozzolan. A good agreement was noted between the experimental values and the Monte Carlo simulation results, indicating an excellent response of the KFUPM accelerator-based PGNAA setup for pozzolan based concrete.
Naqvi
A A
AA
Department of Physics, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia. aanaqvi@kfupm.edu.sa
Garwan
M A
MA
Maslehuddin
M
M
Nagadi
M M
MM
Al-Amoudi
O S B
OS
Raashid
M
M
D000465:Algorithms; D003252:Construction Materials / Q000032:analysis*; D008422:Materials Testing / Q000379:methods*; D008903:Minerals / Q000032:analysis* / Q000737:chemistry*; D009501:Neutron Activation Analysis / Q000379:methods*
D008903:Minerals