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RepairStructuralSt. Paul Union Depot

Richard Maxwell and Dave Sawyer

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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.

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RepairStructuralRecreationalStructural Repair of Galveston Island Historic Pleasure Pier Cycle of Life

Hank Taylor

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During the late 1950s to the mid-1950s, Galveston Island was a destination for those who came to Texas to have fun and conduct a little business.

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ArchitecturalStructuralInternationalThe Museum of the History of Polish Jews

Wlodzimierz Czajka

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In 2012, SPB TORKRET Ltd completed a unique shotcrete project in Warsaw, Poland? an 85 ft (26 m) high wall with an approximate surface area of 65,000 ft2 (6000 m2).

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UndergroundStructuralReaching 20 MPa (2900 psi) in 2 Hours is Possible

Simon Reny and William Clements

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In the mining and tunneling industries, time is critical; and as the mining/tunneling cycle becomes shorter, production increases.

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UndergroundStructuralGeneralSustainable Shotcrete Using Blast-Furnace Slag

Philip Sawoszczuk, Dr. Michelle Nokken, and Dr. Marc Jolin

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Two shotcrete mixtures were designed based on sustainability for use in mining ground support.

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RepairUndergroundStructuralWhere Are We Now with Sprayed Concrete Lining in Tunnels?

Andrew Pickett and Dr. Alun Thomas

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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

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RepairUndergroundStructuralFort McHenry Tunnel Miscellaneous Structural Repairs

John Becker

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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.

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RepairArchitecturalStructuralMeadow Brook Hall Historic Bridge Restoration

Jessica S. Farley

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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.

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RepairUndergroundStructuralShotcrete Work in Confined Space Area

Ted W. Sofis

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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.

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RepairUndergroundStructuralSoudan Mine Shaft Rehabilitation

Shane McFadden

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