Currently, the rebound hammer is widely used for estimation of compressive strength of concrete as general testing method. Although rebound hammer has made great contribution for compressive strength ...

This is a preview. Log in through your library . Abstract The effects of mechanical stress on whole root systems was investigated using beds of solid glass spheres (ballotini) continuously supplied ...

A method was used for applying a uniform mechanical impedance to plant roots using sand packed at different bulk densities with depth within each growth cylinder. In a growth experiment, replicate ...