2007-12-12 06:55:48 · 3 answers · asked by expartethis 1 in Science & Mathematics ➔ Engineering
To test if the asphalt meets the project specifications.
In state aid works, if the asphalt meets the specifications the contractor gets paid and the town gets state money for paving the road. The asphalt cores are tested for thickness, compaction and composition.
Cores are also taken from asphalt when a failure has occurred and they need to determine why the asphalt has failed.
A final reason is to give road crews something to do. During the winter, water flows into the patched core holes and freezes, and creates a pot hole. Now the road crews have something to do during the spring.
Cheers!
2007-12-12 12:33:19 · answer #1 · answered by rutgersgroup 4 · 0⤊ 0⤋
to test the material and the installation
asphalt has specs for minimum and maximum thickness per lift
there is the mix design of aggregate to binder
compaction of the asphalt is measured with a densiometer, not a core sample
2007-12-12 16:54:17 · answer #2 · answered by BMS 4 · 0⤊ 0⤋
They take core samples of lots of road construction materials including concrete and soil. They test them for compressive strength to be sure they meet the minimum requirements.
2007-12-12 16:00:19 · answer #3 · answered by Gary H 7 · 1⤊ 0⤋