Civil Engineering PE

Category - Struct. Materials

Which of the following definitions best describe the “screeding” process used when casting concrete?
  1. Adding a texture to the concrete after it has started to set
  2. Leveling the top of the concrete after it is set in a form
  3. Stimulating mix to flow around reinforcing bars and into voids
  4. None of the above
Explanation
Answer: B - “Screeding” is the process used to level the top of the concrete after it is set in a form. As part of the finishing process, texture is added to concrete after it has started set. During the vibrating process, the concrete mix is stimulated in order to move it around the reinforcing bars and into voids.
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