Using a "Stinger" device in concrete

A stinger consolidation device, also known as a poker vibrator, is a tool used in concrete construction to consolidate concrete and eliminate air pockets. Here are the steps to follow for the proper use of a stinger consolidation device:

1. Determine the correct size and type of vibrator: The size and type of vibrator used will depend on the size and shape of the concrete form, as well as the consistency of the concrete mix.

2. Position the vibrator: The vibrator should be inserted vertically into the concrete, with the tip of the stinger fully immersed in the concrete.

3. Activate the vibrator: The vibrator should be turned on and moved around in a circular or back-and-forth motion. The speed of the vibrator should be adjusted based on the consistency of the concrete mix and the size of the form.

4. Move the vibrator systematically: The vibrator should be moved systematically around the form, ensuring that all areas of the concrete are consolidated and any air pockets are eliminated.

5. Do not overwork the concrete: Overworking the concrete can cause segregation and weaken the strength of the concrete. The vibrator should only be used long enough to eliminate air pockets and consolidate the concrete.

6. Remove the vibrator: Once the concrete is fully consolidated, the vibrator should be removed slowly and carefully to avoid disturbing the concrete.

Proper use of a stinger consolidation device is important for ensuring that the concrete is strong and free of air pockets. It's important to follow the manufacturer's instructions and to consult with a professional contractor to ensure that the device is used correctly.