How much weight will 4.5 inch thick concrete driveway hold of 20 ton of stone and 3 ton delivery truck?

Weight of half a ton. A ton is two thousand pounds so half a ton should be one thousand pounds

Concrete advice... The amount of weight a concrete driveway will hold without doing damage would be determined on many factors. For instance, consolidated area of weight..ie.#'s per sq. foot,...

An Imperial ton (not a metric tonne) weighs 2240 lbs (pounds). A stone is 14 lbs, there are 8 stones in a hundredweight (cwt), and 20 cwts in one ton. There are therefore 8 times 20 = 160 stones in...

If you want three US tons, it would be 6,000 lbs. If you are looking for the British ton, it is 6,720 lbs. Lastly, the Metric Ton (in countries other than the US, simply called a Tonne) is 6,613.86...

It's estimated that a brachiosaurus wieghed between 38 tons and 48 tons.