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

This is a pretty nice little 3-minute news segment on the Caldecott Tunnel 4th Bore Project in the California Bay Area. Progress is slow, at only about 10-15 feet of progress per day, but work […]

Deformability and strength of weak rocks using in situ UCS test, fluvial sediment terminology, concrete and concrete aggregate terminology and nondestructive testing terminology are among the ASTM Standards revised this month. There are also some reapprovals that are noteworthy, including chain of custody procedures and some asbestos and peat related standards.

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Standards governing the testing of tensile strength of geogrid and geotextile tensile strength are among the standards updated over the past month by the ASTM. This includes a new standard for "Determining Small-Strain Tensile Properties of Geogrids and Geotextiles by In-Air Cyclic Tension Tests". A number of standards relating to concrete including capping of concrete cyllinders for testing have also been updated. Click through for the list.

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