Toronto’s example of green roofs

January 1, 1970  |  News

In February 2006, the city government of Toronto, Ontario, approved “Making Green Roofs Happen,” a strategy that commits to installing green roofs on new and existing buildings. Among other recommendations, the policy calls for financial incentives for privately owned green roofs in the city. Th…
Read More
Mattex names director of geosynthetics

January 1, 1970  |  News

Mattex has named Philippe Grimmelprez the company’s director of geosynthetics. He is based in Dubai, UAE.
Read More
More historical notes from the early days of shear tests

January 1, 1970  |  News

By J.P. Giroud To: Allan J. Breitenbach From: J.P. Giroud Copy to: Ron Bygness Subject: Comments on article about the history of geomembrane interface strength tests Geosynthetics Dear Allan, I read with great interest your article in the February-March issue of Geosynthetics on the history of geome…
Read More
Central Valley Project

January 1, 1970  |  News

By Jessica Bies Encompassing 35 counties, California’s Central Valley Project provides electrical power and water to farms, homes, and factories located within a 500-mile north-south stretch. One of the largest water conservation developments in the U.S., it was constructed to protect the Central …
Read More
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…
Read More
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…
Read More
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…
Read More
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…
Read More