The thickness and materials of every pavement structure were chosen according to the reference pavement structure which was built from asphalt surface layer 0/11 S-V (AC 11 VS); asphalt binder course 0/16-A (AC 16 AS); asphalt base
course 0/32-C (AC 32 PS); base course--crushed dolomite 0/56; frost blanket course--sand 0/11 (Fig.
Weir's recycling facility, which houses mobile crushing equipment that produces sand, stone and a low-grade asphalt base
, won City Council approval in 2001.
Construction Supervisor John Indrunas for the city of Roswell, GA, in the metropolitan Atlanta area, accepted the challenge when he tested a relatively unconventional technology--the use of foamed asphalt base
stabilization--for the reclamation of four highly traveled roads in and around Roswell.
Expanded asphalt, or foamed asphalt base
stabilization, was invented by Professor Ladis Csanyi in 1956 at Iowa State University.