For 14 years, JJ Juliano Construction has been installing large commercial and industrial floors in the state of New York. For the last 3 years, the company has been installing the floors much faster thanks to a laser-guided grader attachment for Bobcat s
For the concrete contractor, vibratory screeds provide many benefits -- perhaps the most important being the elimination of labor-intensive manual strike-off of concrete with a conventional straightedge. The screeds also level and consolidate the concrete slab simultaneously, allowing workers to quickly produce smooth, flat surfaces that are ready for subsequent finishing operations.
Contractors aware of the versatility of shotcrete might not be aware of the wide selection of concrete pumps available for repair with wet-mix shotcrete. This roundup focuses on swing-tube pumps, which can handle concrete with ¾-minus aggregate as well as wet-mix shotcrete, which may contain smaller aggregates. Most models have watertight valves to keep the mix liquid.