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Background and Identification
When concrete is poured, it can trap air bubbles inside. Sometimes the concrete can contain up to 20 percent air in the form of bubbles, which greatly reduces the strength and durability of the concrete. Using a concrete vibrator ‘consolidates’ the material, making the concrete more solid and reliable. When the concrete is not consolidated properly, a variety of internal bubbles and defects that would weaken the concrete can form, including “honeycombing, rock pockets, bugholes, sand streaks, pour lines and voids,” according to the National Precast Concrete Association (NPCA). This internal concrete vibrator works when the operator buries the vibrator head in a piece of freshly laid concrete. The motor then turns the head at high speed, shaking the concrete and forcing any bubbles in the slab of concrete to the top. Concrete vibrators come in a variety of sizes and power levels, depending on the size and type of concrete that they are intended to be used on. Concrete vibrators like this one should only be used by a professional who knows how to properly follow safety instructions given by the manufacturer.
- Model Number: M1500120 REV 100 or 5100018041
- Vibrations Per Minute (VPM):14,000
- Engine Power: 2 HP
- Volts: 120
- Overall Length:12 5/16 in
- Product Weight: 10.8 lbs.