Three times per year, TBM: Tunnel Business Magazine recaps the status of major tunneling projects underway in the United States and Canada. Below is the Tunnel Update that appeared in the February 2020 issue of the print edition.
Joint Water Pollution Control Plant Effluent Outfall T
New FRP products repair bridge pilings and corroded culverts
In the late 1980s, the author introduced the concept of repair and strengthening of structures using fiber reinforced polymer (FRP) products. The original concept uses a technique referred to as wet layup. Fabrics of carbon or
Crews installed a 10-ft-dia cast-in-drilled-hole pile 332 ft deep, in what officials believe is an industry record.
Working on a customized trestle in the middle of a stream, crews recently installed in Oahu, Hawaii, what officials say may be the deepest 10-ft-dia cast-in-drilled-hole pi
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Formed in 1975, Silicon Valley Clean Water (SVCW) provides wastewater transmission, treatment and effluent disposal services for more than 220,000 people and businesses in the San Francisco Bay area, including the cities of Belmont, Redwood City and San Carlos, as well as the West Bay Sanitary
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In recent years, the computing secto