Go with the flow

January 1, 1970  |  News

By Jessica Bies Located in the Shasta and Trinity River Division, Whiskeytown Reservoir is just one stop in a system that diverts water from the Trinity River Basin into the upper Sacramento River. The water takes a complicated path through a total of two tunnels and three reservoirs including the o…
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The benefits of GRS bridges

January 1, 1970  |  News

By Jessica Bies Although GRS bridge technology is not suitable for every bridge building scenario, it can be a great option for replacing simple overpasses where severe flooding that could weaken a GRS structure is unlikely to occur. Here are some of the benefits of using GRS technology in appropria…
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In this article…

January 1, 1970  |  News

By Dov Leshchinsky and Fumio Tatsuoka There have been numerous failures of geosynthetic reinforced walls. The majority of these failures occurred in the private sector. This article does not look at the forensic of wall systems that failed due to exploited redundancy combined with ignorance or carel…
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Wall failure after a typhoon

January 1, 1970  |  News

This photo shows wall failure during a heavy rainfall caused by a typhoon. There was no adequate internal drainage in the fine-grained backfill although water in front of the wall was collected by a concrete-paved ditch. Redundancy due to apparent cohesion disguised the lack of proper drainage for f…
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