Yeager failed slope

What could have gone wrong in Yeager Airport Expansion slide?

Recent news and photographs present the spectacular slide that occurred in the Yeager Airport Expansion Runway 5. The slide occurred in the South slope which was among the highest if not the highest (~74m) reinforced earth slope in the US. The project had received the award of Excellence – TenCate Geosynthetics in 2007 International Achievement … Continue reading What could have gone wrong in Yeager Airport Expansion slide?

Geotechnical investigation data, always not enough?

  This is a very controversial topic in which a straightforward answer is not possible. In this entry I would like to tackle some issues related to our own profession since we are responsiblefor the “acceptable” amount of investigation. Recently I attended the IAEG 2014 (Engineering Geology) conference in Torino. In this conference numerous interesting … Continue reading Geotechnical investigation data, always not enough?

Is geotechnical monitoring important?

The March / April Geo-Strata was almost entirely dedicated to the GAM (Geotechnical Asset Management) for transportation systems. It was very interesting to see how this concept is evolving in the broader field of Geotechnical Engineering and transportation infrastructures. This Geo-Strata feature is worth reading if you are interested in the future of Asset management … Continue reading Is geotechnical monitoring important?

Development of Rock Engineering and updating EC7

Every geotechnical engineer knows E. Hoek and his significant contribution to rock mechanics. Here you can find his first on line lecture titled “The Development of Rock Engineering”, you just need to enter your name, e-mail and company and you get the password to view the on line lecture. This lecture provides interesting historical background … Continue reading Development of Rock Engineering and updating EC7

Geotechnical engineering standard of care

November – December issue of Geo-Strata which is a published forum of the Geo-Institute of the American Society of Civil Engineers (ASCE) featured an article by Patrick C. Lucia, Chairman Emeritus of Geosyntec Consultants, titled “As I See It: Geotechnical Forensic Engineering in Defense of Geotechnical Engineers”. In the article Patrick shares his over 25 … Continue reading Geotechnical engineering standard of care

Geosysta welcomes 2014

Geotechpedia 2014

Geotechpedia enters 2014 with the ambition to provide more geotechnical information and contribute to the geosociety with interesting and valuable publication links, software from the industry and equipment used in the sector. Geotechpedia now has an updated look and feel more appropriate for today’s web. We hope we can make your experience more efficient and pleasurable … Continue reading Geotechpedia 2014

ISSMGE Paris 2013. What did you miss?

A brief feedback from Chrys Steiakakis A brief summary  for all the people that could not make it to the 18th International conference on soil mechanics and geotechnical engineering held on Paris between Monday 2 and Friday 6th of September 2013. The conference main theme was “Challenges and Innovations in Geotechnics”. The conference commenced with … Continue reading ISSMGE Paris 2013. What did you miss?

How much does a geotechnical design cost?

I am sure that many geotechnical designers have either been asked this question or have had to answer it internally in order to price a project. After the offer has been prepared, comes the negotiation phase, where the owner of the project starts asking questions about the “high” price (in his opinion) or about a … Continue reading How much does a geotechnical design cost?

Impressive fault mirror study in central Greece

Greece is a country with high seismicity rates. As a consequence evidences of faulting are spread throughout the country. In this blog a particular fault mirror has come into our notice in central Greece, Fthiotida area, known as Arkitsa fault. This spectacular fault mirror is a subvertical feature 65m tall and about 300m long. The … Continue reading Impressive fault mirror study in central Greece

NATM is it New, Austrian or a Method?

NATM or New Austrian Tunneling Method has been for long time under scrutiny. Many disagree that was “NEW” in 1957 (Kovari 2003, Jaeger 1979) when it was introduced by L. von Rabcewicz. Many more have disagreed with the term “METHOD” such as Kovari 1993. The term “NEW” was introduced by Rabcewicz to distinguish what he … Continue reading NATM is it New, Austrian or a Method?