1999 BFRL Publications - resonant frequency testing
resonant frequency testing
Effect of Elastic Modulus of Capping Material on Measured Strength of High-Strength Concrete Cylinders.
Vichit-Vadakan, W.; Carino, N. J.; Mullings, G. M.
Building and Fire Research Laboratory
National Institute of Standards and Technology
Gaithersburg, MD 20899
1999 BFRL Publications - resonant frequency testing
1999 BFRL Publications - resonant frequency testing