When people hear the term “slump,” most think about posture; think of concrete slump as "concrete posture." Pro Tip: While you can certainly perform the slump test procedure by yourself, it will go a ...

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 ...

The oil services contractor Halliburton Co. admits it never performed a crucial test of the final cement mixture used on the Gulf of Mexico oil rig that exploded in the largest offshore oil spill in U ...