Measure one shovelful of Portland cement, two shovelfuls of sand and three shovelfuls of gravel.
Pour the three materials into the wheelbarrow.
Stir the materials in the wheelbarrow together to incorporate for a uniform texture.
Add a small amount of tapwater to the material and incorporate it using the shovel. Continue adding small amounts of water and mixing with the shovel until the texture of the concrete is like that of peanut butter. It should not be runny.
Thoroughly stir the concrete until the consistency is uniform. This concrete mix can now be used to repair your sidewalk.