harper_martin91•3mo ago

Cut back on the vibration time when placing slab on grade. Much less aggregate settlement at the bottom.

3 comments

3 Comments

nguyen.derek3mo ago

Wow, read that over-vibration can totally separate the mix.

lane.drew3mo ago

Over-vibration causes segregation, pushing all the good rock to the bottom. You know you're done when the surface gets a nice, wet sheen and the big bubbles stop coming up.

seth_carr3mo ago

Watched a crew over-vibrate a wall form once, concrete looked like soup.