Two new standards from the Geosynthetics committee of ASTM will help define properties that can be used in the design of geosynthetic reinforced pavement. I know in my practice in Arizona, ADOT simply allows a boost of Resilient Modulus (R-Value) of 10 when biaxial geogrids are used. Perhaps in time this will lead to a design method to account for the geosynthetic reinforcement in a more analytical way. [Source: Geosynthetics Magazine]
Standards and Codes
ASTM Updates September 2010
Last month there were several updates to standards involving texting the flexural strength of concrete as well as updates to some masonry and dimension stone standards. ASTM D6926 – Standard Practice for Preparation of Bituminous Specimens Using Marshall Apparatus has been updated, so if you are involved in asphalt pavement testing, make sure you go and find out what the changes are. There are also a whole slew of groundwater and site investigation standards that were reapproved.
Standards and Codes
ASTM Updates April 2009
Our monthly ASTM standards update for those in the geotechnical, geo-environmental, hydrogeology and geo-construction fields. This month there are some new standards related to structural cementitious panels, revisions to standards related to slate and dimension stone, and a reapproved standard for monitoring well protection among others. Click through for more info.
Standards and Codes
ASTM Updates for July 9, 2020
Those of us in the geotechnical profession use ASTM Standards on a daily basis. It’s hard to keep up with changes, so I have brought back a GeoPrac.net feature I had a number of years […]