How do you mix concrete procedure?

To mix concrete, you first need to combine the dry ingredients before adding water, ensuring a uniform mix.

Mixing Concrete: A Step-by-Step Guide

Here’s a detailed breakdown of how to mix concrete based on the reference provided:

1. Prepare the Base:

   • Find a suitable, flat base platform for mixing.
   • This could be a large, flat area of ground or a mixing board.
     
     

2. Spread the Sand:

   • Evenly spread the sand over your prepared base. This is your first layer of material.
     
     

3. Add Cement:

   • Take your cement, and evenly spread it over the layer of sand.
     
     

4. Dry Mixing:

   • Use a shovel to mix the cement and sand.
   • Continue mixing until the color is uniform throughout, which indicates that the two dry ingredients are well blended.
     • It’s very important to mix the dry ingredients thoroughly before adding water.
       
       

5. Choosing Cement:

   • The reference advises caution on cement selection. It indicates that you "cannot just pick up any cement for mixing." However, it does not mention how to select the correct cement.
     
     

Summary of Concrete Mixing Procedure

Step	Description
1. Base	Prepare a flat base to work on.
2. Sand	Spread sand evenly across the base.
3. Cement	Spread cement evenly on top of the sand.
4. Dry Mix	Use a shovel to mix the sand and cement until the color is uniform, indicating a good blend.
5. Cement Selection	Ensure to use the correct cement for your job.

By following these steps, you'll create a foundation for well-mixed concrete. Remember, the reference states that not just any cement can be used, so choose carefully based on your needs.