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Concrete highways have frequently been criticized because of the repetitive "thump" caused by crossing transverse joints. Has any thought ever been given to staggering these joints in lanes so that a vehicle rides with each set of wheels passing over the joints alternately? Surely at average speeds...
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Are plastic resins being used as grout? If so, isn't this a terribly expensive practice?
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What do you suggest as the safest, non-slip surface for school paving? Indentations don't really do a good job and are not attractive; exposed aggregate is rough on children's knees.
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