Carl E. Akeley

From mine shafts to subway tunnels, from fountains to swimming pools, shotcrete has long been the preferred material of construction for major projects worldwide.  This process, which involves the spraying of concrete material at a high velocity onto a receiving surface to achieve compaction, offers substantial advantages over alternative approaches with respect to durability, versatility, integrity and sustainability. This has been the case ever since the technique was invented at the turn of the 20th century, yet only now are watershapers - professionals who have made concrete such a crucial part of their livelihoods - truly coming to understand and appreciate shotcrete for what it is. In this three-part series, we'll start with the story of shotcrete's origins - a tale of insight, ingenuity and entrepreneurship.  Then we'll trace