Soundness 1 : A measure of the expansive properties of a cement as determined by the autoclave expansion test given in ASTM C 151: Test for autoclave expansion of Portland Cement. (Bul 10C)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}