because the cat licked the road and got a mental disease
Because the concrete will expand and the tar will become soft. So the concrete has room to expand. With out cracking.
Because the concrete will expand and the tar will become soft. So the concrete has room to expand. With out cracking.
The "tar" on roads is a mixture of several asphaltic and hydrocarbon compounds. These become liquid or often at higher temperatures (over 150 F). This temperature can be approached due to sunlight on a hot day and the road tar will become soft. If the supplier has adulterated the tar with more liquid oils or used the wrong compind (say roofing tar the surface may become soft or even liqufy at ambient conditions.
tar
yes it is. it is one of many substances in a cigarette.
In 1824, people first used tar on road construction. It was occurred in Paris, where people place tar blocks on Champs-ÌälysÌ©es of Paris. The modern tar roads are result from two Scottish engineers.
if we take one cigarette. You get this much Tar.
Tar
The "tar" on roads is a mixture of several asphaltic and hydrocarbon compounds. These become liquid or often at higher temperatures (over 150 F). This temperature can be approached due to sunlight on a hot day and the road tar will become soft. If the supplier has adulterated the tar with more liquid oils or used the wrong compind (say roofing tar the surface may become soft or even liqufy at ambient conditions.
John Loudon McAdam, a Scottish road building expert, is credited with being the first to build tar surfaced roads. That is why they are called macadam roads.
J. Walker Smith has written: 'Dustless roads, tar macadam' -- subject(s): Macadamized Roads, Roads, Macadamized, Roads, Tarred, Tarred Roads
sheepskin is soft warm and durable