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.
How much does it cost for build maglev train and 9.5miles rail? If you are only trying to build the right-of-way and not buy real estate, or construct buildings or stations, or pay for control, communications, and power systems or the magl â¦ ev train, it is not expensive.his fits in the US typical cost today of $10 million per mile for maglev (and that is the low end), as you should be able to get everything done for about $100 million. The good news is operating costs are very low and wear is low, so a return-on-investment is very fast compared to conventional railroad investment.