In Memoriam: Peter C. Tatnall

Pete Tatnall was born in Worcester, MA. He received a degree in civil engineering from Rensselaer Polytechnic Institute (RPI) in 1962;

Shotcrete Contractor Qualification

It?s been over a decade since the inception of the ACI Shotcrete Nozzleman certification programs, which many individuals within the American Shotcrete Association (ASA) and the American Concrete Institute (ACI) worked extremely hard to create

How Carl Akeley Saved Christmas

For more than 50 years, the trees along Chicago?s North Michigan Avenue have been illuminated to signal the official kick-off of the holiday season and encourage everyone to join in the spirit and enjoy a host of festive experiences along Chicago?s Magnificent Mile.

Rapid-Setting Cement in Shotcrete

Evolving technology in the shotcrete industry using a rapid-setting mixture with calcium sulfoaluminate (CSA) cement in lieu of a more common portland cement mixture is helping to meet the challenges for shotcrete repairs and underground projects throughout the world.

Perfecting Placement

Concrete is the construction material used most by humankind?wood, stone, brick, asphalt, and glass don?t even come close.

Shotcrete Work in Confined Space Area

Shotcrete work, by its very nature, provides an excellent method of installing concrete materials in storage bins, hoppers, culverts, inlets, vaults, tanks, and other areas, where it is difficult to transport and efficiently install materials by conventional casting methods.

Meadow Brook Hall Historic Bridge Restoration

Meadow Brook Hall was built in the early twentieth century from the successes of automobile mogul John Dodge, his widow Matilda Dodge, and Matilda?s second husband Alfred Wilson.