I am involved with a project that is requiring freeze/thaw testing of the proposed concrete mix design (ASTM C666). This test standard requires an extensive amount of time (14 days just to cure beforehand!). Are there any other tests that could be suggested to run in place of C666 or some other...
I am reviewing an installation plan for a number of drilled shafts. These are dry-cased, end-bearing shafts anchored in bedrock. The procedure states that once the bedrock is reached, the shaft needs to be cleaned out before the rock socket is drilled. Is this done just to verify top of rock or...
