of;
Civil;
and;
Environmental;
Engineering,;
Nagaoka;
University;
of;
Technology,;
Niigata;
940-2188,;
Japan;
Use;
Division,;
Composites;
Company,;
Nippon;
Steel;
&;
Sumikin;
Materials;
Co.,;
Ltd,;
Tokyo;
103-0024,;
Japan;
of;
Civil;
Engineering,;
National;
Institute;
of;
Technology,;
Nagano;
College,;
Nagano;
381-8550,;
Japan;
Tokyo;
Operation;
Bureau,;
Metroportitan;
Expressway;
Co.,;
Ltd,;
Tokyo;
102-0093,;
Japan;