Why are they different?
Not really sure, but you need to use the AASHTO Tool on jobs that are governed by the AASHTO Specs, and likewise for the ASTM specs. Otherwise, the test is the same.
Not really sure, but you need to use the AASHTO Tool on jobs that are governed by the AASHTO Specs, and likewise for the ASTM specs. Otherwise, the test is the same.
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