Plain concrete for farm use, farmers' bulletin no. 1279 (1922)
U. S. Department of Agriculture · U.S. Department of Agriculture · leaf 14
ary spacers of wood, 1 by 2 inches,of a length equal to the thickness of the wall, should be used to pre-vent drawing the forms together when the wire or bolt is tight-ened. They should be spaced at the ties, but need not be at everywire, and are knocked out and removed as the concreting… … Fig. 5.—Straight wall form for level ground. thickness of the wall does not affect the number of ties. On remov-ing the forms the wires should be clipped close to the face of theconcrete and punched back, unless the surface is to be stuccoed. Ifa pit hole is caused by punching back the wire it…
