Samenvatting
Six vehicular impact tests were conducted. Cars ranging in weight from 1890 lbs to 4480 lbs impacted the rear end of dump trucks at speeds of 45 mph. In five of the tests truck mounted attenuators (TMA's) were used on the trucks. The TMA tested was a 6 ft-0 in. long by 8 ft-0 in. wide by 2 ft-0 in high plywood box enclosing 84 crushable vermiculite concrete cells arranged in a designed pattern.