JR West: Eight Concrete Fragments from Sanyo Shinkansen Viaduct Fall onto Sanyo Line
JR West reported that eight concrete fragments from the Sanyo Shinkansen viaduct fell onto the JR Sanyo Line track at Nishi-Akashi Station. The fragments, discovered at 1:45 a. m. on the 14th, weighed about 1.9 kg in total, with the largest measuring 15 cm by 8 cm by 3.6 cm. The viaduct is about 10.4 metres high. No injuries or operational disruptions occurred. Preliminary investigation attributes the spalling to age-related corrosion of internal rebar.
JR West announced on the 14th that eight concrete fragments were found on the track of the JR Sanyo Line at Nishi-Akashi Station in Akashi City, Hyogo Prefecture. An investigation showed that the fragments had fallen from the Sanyo Shinkansen viaduct above, which is about 10.4 metres high. The incident caused no injuries and did not affect operations on either the Shinkansen or the conventional line.
The fragments were discovered by patrol staff at around 1:45 a. m. on the 14th. The largest piece measured 15 cm by 8 cm by 3.6 cm, with a total weight of about 1.9 kg. Preliminary findings suggest that age-related deterioration of the internal rebar caused the concrete to crack and spall.
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