Video: iPad used for day-to-day operations of Chicago area ready-mix plant

This post contains a list of new, revised and otherwise updated ASTM standards that pertain to the geotechnical engineering, materials testing and related fields. Standard C39/C39M for testing the compressive strength of concrete cyllinders was updated, as was C42/42m for obtaining and testing drilled cores and sawed beams of concrete.  The month of March also saw several geosynthetic standards being updated or added, including new standards for selecting the test method for geomembrane seams, and for testing the flexural rigidity of geogrids and other geosynthetics.  There are also a few updated standards related to asphalt mix design and sampling of asphalt.  Click through for updated ASTM Standards relating to geoprofessionals.

[…]

The Redi-Rock Design Resource Manual or DRM has everything you would need to design a Redi-Rock retaining wall, including block sizes, design charts, construction details, and setback options.  The manual also includes case studies and […]

To keep the loose soils beneath a planned hospital from liquefying and damaging the foundations during the design earthquake, Hayward Baker stabilized the site by performing wet soil mixing. In addition, HB installed tie down […]