Grout plant for Mackinac Bridge construction

This four story height, marine grout plant was specially designed by the marine contractor for the Mackinac Bridge project.  After the aggregate was about 10 feet deep inside the cofferdam, grout made from Portland cement, sand, fly ash, water, and a patented intrusion-aid admixture was pumped in.  Here they are working on one of the cable bent piers.,, Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: This four story height, marine grout plant was specially designed by the marine contractor for the Mackinac Bridge project. After the aggregate was about 10 feet deep inside the cofferdam, grout made from Portland cement, sand, fly ash, water, and a patented intrusion-aid admixture was pumped in. Here they are working on one of the cable bent piers.,
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)