Compaction

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Compaction

409 and HC 920 hydraulic compactor attachments

Nov. 5, 2020
Atlas Copco Construction Tools Inc., West Springfield, Mass., has introduced the HC 409 and HC 920 hydraulic compactor attachments. Both compactors are part of a new line of hydraulic...
Asphalt

Test Temp

Aug. 18, 2003
For paving contractors, the word "density" is probably as familiar as that first cup of coffee in the morning. Two other key words that will guide him or her through the day are...
Asphalt

Rolling a perfect score

Aug. 18, 2003
Imagine sitting in front of your computer, playing a video game and calling it "work." Sound too good to be true? It might not be. A group of researchers at the University of ...
Compaction

Clod Smashers

April 16, 2003
Buy a can of coffee at the store. Bring it home. Dump it out on the kitchen table. Then sweep it over the edge of the table so it falls back into the can and notice that it does...
Asphalt

Cracking the compactor code

April 16, 2003
Within the last couple of years, a number of high frequency vibratory rollers have hit the road building market. The trend is growing so rapidly that frequency has become the ...