Tampers (sometimes called Jitterbugs) push the coarse aggregate (in harsh mix concrete) in the concrete below the concrete surface and consolidate the concrete by helping to embed the aggregates down. ... With high slump concrete, the coarse aggregates sink naturally and tamping can cause segregation of the aggregates.
Should you use a jitterbug on concrete?
https://www.youtube.com/watch?v=fGGdM51OwmI
How Much is a jitterbug for concrete?
Product price $350.00
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Order total: $350.00
Is tamping concrete necessary?
DO YOU NEED TO TAMP CONCRETE? Tamping should only be done on low slump concrete. With high slump concrete, the coarse aggregates sink naturally and tamping can cause segregation of the aggregates. ... When the concrete dries, this cement-rich surface shrinks more than the underlying lean concrete.
What is a jitterbug in concrete work?
The concrete tamper, or jitterbug as it is sometimes called, is used to embed aggregates down into the concrete mix. It is typically used on a "harsh mix." That means mix that has large aggregate. Use the tamper to push the aggregate into the slab, being sure to fill in voids left by your footprint in the mix.
How do you tamp concrete?
https://www.youtube.com/watch?v=fGGdM51OwmI
How do you use a concrete roller tamp?
https://www.youtube.com/watch?v=M9Q6r_2qGys
What is a concrete jitterbug used for?
Tampers (sometimes called Jitterbugs) push the coarse aggregate in the concrete below the concrete surface and consolidate the concrete.
How do you tamp finish concrete?
A tamped finish for unformed surfaces is produced by raising and lowering the compacting beam in its final pass to produce a surface with ridges at a fairly regular spacing of 20 to 30mm and up to 5mm high.
Do you have to tamp concrete?
Remember, there's no need to tamp high slump concrete. Over-compacting the mix can actually cause aggregate materials to separate, which will weaken the concrete.