The Christ Church City Council has issued a notice banning entry to over 500 homes because of risks associated with rockfall, landslides, cliff collapse and other geotechnical problems exacerbated by recent earthquakes. [Source: Scoop News]
Standards and Codes
ASTM Updates for April 2011
It’s that time again. Here are a collection of changes/additions to ASTM standards that are relevant to geotechnical engineers, soils labs, CQA firms and related disciplines. There are a couple of interesting new standards available. D7698 is a new procedure for estimation of in-place density and water content of soil and aggregate by correlation with complex impedance. I’m not eactly sure what that is, but it sounds cool. There is also a new standard (D7702) that provides guidance for the evaluation of direct shear results involving geosynthetics. Read on for these and other updates.
Links
Bimrocks
Another fine site hosted by Geoengineer.org. This site discusses Bimrocks, the “block in matrix” material that has frustrated engineers, geologists and contractors on many a project. If you’ve ever worked on a project that had […]
Geologic Hazards
50th Anniversary of San Fernando Earthquake
I posted about the 10th anniversary of the Christchurch Earthquake, but there was another notable earthquake anniversary recently…the 50th anniversary of the 1971 San Fernando earthquake. Khaled Chowdhury from the US Army Corps of Engineers […]