Missouri S&T (known as UM Rolla a while back) has a number of courses that are available through their YouTube channel. One such course is their GeoEng 341 course, Engineering Geology and Geotechnics taught by Dr. David Rogers. You can watch the entire series of 15 lectures totaling over 32 hours on You-Tube! Check out the first lecture below.
Available Resources
Geo-companies in ENR’s 2016 Top 500 Design Firms
ENR’s annual top 500 design firms list is out. These rankings are based on revenue for design services in the previous calendar year. I was curious how the various firms that are strong in geotechnical / geological related services rank. I included firms that self-identified as geotechnical firms, as well as engineering firms that I know to have a strong geo emphasis. I’m sure there are some that I missed. I also included some of the major A&E firms that provide these types of services. I even included a few environmental firms. So in summary, it’s still a bit subjective on who is included. Without further ado, here is the list (along with their change in ranking relative to 2015):
- 1 – AECOM, Los Angeles, Calif. (No change from 2015)
- 3 – CH2M, Englewood, Colo. (+1)
- 5 – AMEC FOSTER WHEELER, Tucker, Ga. (+1)
- 7 – TETRA TECH INC., Pasadena, Calif. (No change from 2015)
- 9 – HDR, Omaha, Neb. (No change from 2015)
- 11 – WSP | PARSONS BRINCKERHOFF, New York, N.Y. (+5)
- 12 – ARCADIS NORTH AMERICA/CALLISONRTKL, Highlands Ranch, Colo. (+1)
[Editor] Click through for the rest of the Geo list! [/Editor]
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Geologic Hazards
What Would a Large Earthquake Do to Downtown L.A.?
From the USGS Newsroom:
USGS scientist Ken Hudnut fills us in on how science created the theoretical magnitude 7.8 earthquake behind the Great Southern California ShakeOut—the largest earthquake preparedness drill in U.S. history, coming Nov. 13—and what such an earthquake would do to downtown Los Angeles.
Seems like they did it right wiith this study. They had multiple teams independenlty come up with the ground shaking model, then had different structural engineers who are experts in seismic design of large buildings review the tall buildings in the L.A. area for the design earthquake. They say that buildings would likely come down in the 7.8 magnitude event. Click through to watch the video interview from the USGS.
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There are so many projects and engineers who could benefit from listening to Rogers. There is a science to it and identifiers that can tell the engineer how the soil has responded over time.