1. Obtain a representative concrete sample from the revolving drum truck mixer. 2. Using a scoop, place concrete in the cylinder molds. For 6 by 12 inch molds, place in three equal layers (1/3 volume ...

Reinforcing steel and ribbed reinforcement bars (rebars) are essential to civil engineering, forming a category of key structural materials which, in the case of concrete-reinforcing steel, are ...

Concrete properties and quality testing are advancing as new technologies enter the industry. Traditional methods, such as break tests, remain widely accepted in standardized practices, but jobsites ...

EVERETT – Everett Public Utilities employee Paul Crane was so excited about a new type of environmentally friendly concrete that he bought some and tested it in his backyard. The results impressed him ...