Common rebar is made of unfinished tempered steel, making it susceptible to rusting. Normally the concrete cover is able to provide a pH value higher than 12 avoiding the corrosion reaction. Too little concrete cover can compromise this guard through carbonation from the surface, and salt penetration.
Quick Answer. Maglev trains can reach speeds of up to 361 mph. This was the fastest speed reached by the MLX01, which was measured on December 2, 2003. Executed on the Yamanashi maglev test line in Japan, the test run was administered by the Central Japan Railway Company and the Railway Technical Research Institute. Keep Learning.
Advantages of Maglev. The main advantage for Maglev is the high capacity in which it can hold. The maglev concepts that have been studied so far can deliver 12,000 passengers per hour in each direction. An equivalent air capacity would be 60 Boeing 767 s per hour in each direction at 1 minute intervals.