This film discusses hardness testing methods in engineering, specifically focusing on the Brunell and Rockwell hardness tests. It explains how hardness is measured through indentation and penetration ...

Depending on the structural design requirements of a building, the grade of concrete may vary. Concrete pounds per square inch (PSI) plays a significant role in determining the concrete grades that ...

Maturity and compressive strength of concrete is tested through both destructive and non-destructive methods. Destructive test involve damaging some of an element or the structure. Some would like to ...

Measuring the in-situ compressive strength of concrete in final structures is an essential but challenging process. Coring combined with non-destructive rebound hammer measurements provides the most ...

In the summer of 1981 a friend called me to ask if I would be interested in moonlighting to help him install floor sealer for a company in California. Even though I worked 18 hours that day, I decided ...

Experimental concrete that patches up cracks by itself is to undergo outdoor testing. The concrete contains limestone-producing bacteria, which are activated by corrosive rainwater working its way ...

EL CENTRO, Calif., Sept. 25, 2024 (GLOBE NEWSWIRE) -- Premier Graphene Inc. (OTC: BIEI) President Pedro Mendez recently held a Zoom meeting with the research and development team from one of the world ...