2014

Chilling Out in Florida: Port of Miami Cross Passages170 Feet Below ColumbusGround Freezing in a Congested Urban Area

Chilling Out in Florida: Port of Miami Cross Passages

Ground freezing of two tunnel cross passages from within the newly constructed Port of Miami tunnels for safe excavation through the potentially unstable Key Largo coralline formation deep below the water table. This represents the first successful use of ground freezing for cross passages in North America.

170 Feet Below Columbus

This cover feature article discusses the grouting program used to aid the sinking of deep shafts through highly variable karst geology for the OSIS Augmentation and Relief Sewer (OARS) project in Columbus, OH.

Ground Freezing in a Congested Urban Area

In-depth look at the design, installation and operation of the ground freezing system used to facilitate mining of the East Side Access Northern Boulevard Crossing in Queens, NY under 55 feet of hydrostatic head.