RepairUndergroundSimple Still Works
John Becker
Read MoreCoastal Gunite Construction recently executed a few phases of a storm sewer rehabilitation in a line running under the Blue Plains Advanced Wastewater Treatment Plant operated by the District of Columbia Waterand Sewer Authority.
UndergroundStructuralInternationalGeneralCellular Sprayed Concrete
Kyong-Ku Yun
Read MoreCellular sprayed concrete is an innovative method of remixing ordinary portland cement (OPC) concrete into a high-performance concrete (HPC) by adding cellular material and silica fume or other powdered admixturesat a jobsite.
UndergroundShaft Lining with Dry-Mix Shotcrete
Lihe (John) Zhang, D.R. (Rusty) Morgan, Ted Walter, Brian McInnes, Andrew Rule, and Allen Mitchell
Read MoreThe Greater Vancouver Water District (GVWD), located in the lower mainland region of British Columbia, Canada, constructed a new water supply main in a tunnel under the Fraser River, just downstream of the PortMann Bridge.
RepairUndergroundLiverpool Central Tunnel High-Level Neck Repairs
Andy Dunlop and David Thomas
Read MoreLiverpool?s High-Level Neck tunnel (HLN) cannot lay claim to being the city?s most famous cavern, but it can justifiably be labeled as being one of the most unusual and challenging tunnels on the entire UK rail network.
UndergroundRails Steakhouse Wine Cave
Frank Townsend
Read MoreJim Stathis is a thinker and doer in everything he touches. Stathis started working with his hands at a very young age as a craftsman, which enabled him to develop his eye for creativity and make his ideas reality.
UndergroundLake Country Wine Tunnels
James Marifosque and Roger W. Abbott
Read MoreLake Country is a municipality located in the Central Okanagan Valley of British Columbia, Canada, which is approximately 250 miles (400 km) northeast of Vancouver.
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.