Originally Posted by
Willard Whyte
Sound logic, although one must question why all runways in the UK do not seem to be similarly affected. Perhaps cost is also a factor in the brew?
Certainly. Engineering is involved😎
Other factors are things like age (the bitumen content oxidises with age and goes harder/more brittle/less melty) and the substructure of the runway and the nature of ground. The latter affect the ability of the runway to transfer solar heat from the blacktop into the ground. If you are building a new runway you can plan for such things. If you have one that is about 80 years old, and built in a hurry, probably, they areexpensive to change
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