One-sided concrete applications. where only one side of the formwork is installed, can benefit greatly from shotcrete. With this method, up to
95% to 100% of the required formwork can be eliminated, leaving only construction joints and perimeters to be framed. 5hotcrete also eliminates the need to engineer t he forms, as there are no internal pressures from the fresh concrete. However, for double-sided walls, a rigid
back form or stay form must be used in conjunction w ith shotcrete