Article

RepairStructuralInternationalHydrodemolition and Shotcrete for Rehabilitating a Reservoir Spillway

Kyong-Ku Yun, Sung-Yong Choi, and Yong-Gon Kim

Read More

The rehabilitation of a multi-curved reservoir spillway in Korea was successfully accomplished by hydrodemolition and shotcrete;

Article

RepairArchitecturalStructuralCalifornia Memorial Stadium

Nur Kasdi and Larry Totten

Read More

Since 1923, California (Cal) Memorial Stadium in Berkeley, CA, has been the home of the University of California (UC) Berkeley?s football team.

Article

RepairStructuralSt. Paul Union Depot

Richard Maxwell and Dave Sawyer

Read More

The St. Paul Union Depot, also known affectionately as SPUD, was originally built in 1881, at which time it became a landmark transportation facility in downtown St. Paul, MN.

Article

RepairUndergroundStructuralCSX Pinkerton Tunnel

Dennis Bittner, Nick Laviolette, and Denis Laviolette

Read More

As part of the National Gateway Clearance Project, the Pinkerton Tunnel, located in Markleton, PA, was to be removed because it did not have the required height clearance to accommodate double-stack freight railroad cars.

Article

RepairUndergroundStructuralWhere Are We Now with Sprayed Concrete Lining in Tunnels?

Andrew Pickett and Dr. Alun Thomas

Read More

Traditional methods of sprayed concrete lining (SCL) tunnels (in soft ground) comprise a temporary primary lining of sprayed concrete with a sheet membrane inside and a permanent cast in-situ concrete lining, usually reinforced with steel bars

Article

RepairUndergroundStructuralFort McHenry Tunnel Miscellaneous Structural Repairs

John Becker

Read More

At the time of its construction, the widest underwater tunnel in the world, the Fort McHenry Tunnel in Baltimore, MD, was opened to traffic in 1985.

Article

RepairHow Carl Akeley Saved Christmas

Cathy Burkert

Read More

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.

Article

RepairUndergroundStructuralSoudan Mine Shaft Rehabilitation

Shane McFadden

Read More

The Soudan Mine is a historic taconite and iron ore mine in Northeastern Minnesota.

Article

SafetyRepairUndergroundStructuralShotcrete Work in Confined Space Area

Ted W. Sofis

Read More

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.

Article

RepairArchitecturalStructuralMeadow Brook Hall Historic Bridge Restoration

Jessica S. Farley

Read More

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.