Pooh Bear
Duh, it's better to get your facts before you post.
Roads are poorly constructed so sometimes heavy vehicles *do* cause damage but (duh) why would they cause the greatest anount of damage in intersections? The answer is, they don't. It's the excessive braking and acceleration that *slides* the asphalt or road bed by applying lateral forces the road was not designed to withstand. Notice how the road surface is rippled? Damage by weight is going to cause mostly a depression... and a WIDE one at that.
Roads need to be sturdy enough to handle the *heaviest* traffic. That's the way they're designed. But as soon as the state inspector leaves the paving material is diluted, usually with the dirt that was washed from the aggregate to begin with. 3-6 tons in every 20-40 tons will substantially increase the contractor's profit and **GUARANTEES** job security. The pavement need only last until the check clears.
In Switzerland paving contractors make all repairs for free for 10 years. Sure, it's expensive and time consuming to build a road that well but think of the money they save on orange barrels and the enjoyment and pleasure of driving at high speeds on smooth roads... -----
- gpsman
Road Construction Mania 3081Especially on digging-up-the-surface-streets kinds of projects, a lot depends on why they were digging, and what they find once they're down there. It gets especially fun when bits...