UndergroundInternationalRehabilitation of the Suhurlui Irrigation Pipeline
Calin Mircea, Ofelia Corbu, Eugen Maier, and Cristian Rus
Read MoreThe Suhurlui Irrigation Pipeline is located in the southeast of Romania, Galati county, in the vast planes formed by the Danube river, 50 miles (80 km) upstream of the river?s discharging point into the DanubeDelta and 90 miles (150 km) from the Black Sea.
RepairUndergroundInternationalMexico City Deep Sewer Rehabilitation with Shotcrete
Raúl Armando Bracamontes Jiménez
Read MoreMexico City?s deep drainage system is a complex underground network composed of a series of tunnels designed to convey sewage and storm water to discharge and treatment facilities.
UndergroundGeneralA Brief History of Shotcrete in the Underground Industry
Dudley R. (Rusty) Morgan and E. Stefan Bernard
Read MoreIt is now generally recognized that Carl Ethan Akeley (1864-1926) was the inventor of shotcrete (Teichert 2002).
UndergroundGeneralShotcrete – The Blindside Waterproofing Solution
Ross King
Read MoreThe large cities of the world are growing and being rebuilt like never before.
RepairUndergroundGeneralAiming for Extended Service Life with Migrating Corrosion Inhibitors
Ray Schallom III, Jessi Meyer, and Julie Holmquist
Read MoreCorrosion of embedded steel reinforcement is a threat to all types of reinforced concrete, leading to cracking, spalling, and a shortened service life of thestructure.
UndergroundUnderground at Mines
Michael Mooney
Read MoreIn 2011, realizing a need to identify a unifying program dedicated to underground construction and tunneling education across campus, Colorado School of Mines established the Center for Underground Construction andTunneling,
RepairUndergroundEast Side Access Project
Frank E. Townsend III
Read MoreIn May 2014, Superior Gunite was issued a subcontract by the Michels Corporation to shoot approximately 2000 yd3 (1500 m3) of shotcrete for overbreak build back on the arches of the East Side Access Project?
UndergroundModeling of Load-Bearing Behavior of Fiber-Reinforced Concrete Tunnel Linings
Axel G. Nitschke
Read MoreThe use of fiber-reinforced concrete (FRC)?with steel or macro-synthetic fibers?has technical and economic advantages that primarily stem from the fact that fibers transform the post-cracking behavior
UndergroundLining Raise-Bore Shafts
Kristian Loevlie
Read MoreWhen raise boring is used, a circular excavation is roduced either between two existing levels in an underground mine or between the surface and anexisting level in a mine.
UndergroundInnovative Shotcrete Technologies for Advancement in Tunneling
Nicolas Ginouse, William Clements, and Scott Rand
Read MoreSprayed concrete (shotcrete) is a well-established and proven component of ground support systems worldwide.