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Power transmission tower collapsed in Typhoon No.15 Experts conducted field survey Chiba Kimitsu

2019-11-10T09:21:40.145Z

In September of Typhoon No. 15, the Ministry of Economy, Trade and Industry's working group created a site in Kimitsu City, Chiba Prefecture, where a huge steel tower for power transmission collapsed.



Power transmission tower collapsed in Typhoon No.15 Experts surveyed Chiba Kimitsu November 10, 18:13

At the time of September Typhoon No.15, members of the Ministry of Economy, Trade and Industry's working group, who created a site in Kimitsu City, Chiba Prefecture, where a huge steel tower for power transmission collapsed, visited the university, and the situation at the time of the collapse. We investigated the effects of topography.

A large-scale power outage occurred mainly in Chiba Prefecture. Typhoon No. 15 in September caused strong winds that destroyed about 2000 power poles. In Kimitsu City, Chiba Prefecture, two power transmission towers fell down.

For this reason, the working group of the Ministry of Economy, Trade and Industry began reviewing the standards for the strength of steel towers and utility poles this month. On the 10th, five members including university professors visited the site.

Members received explanations from the TEPCO representative about the structure of the steel tower and the direction of the collapse.

The fallen steel tower has already been removed, but it is likely that the valley next to it has become a wind passage and affected the collapse of the steel tower. confirmed.

The Working Group will compile an interim report on the cause of the collapse and future countermeasures by the end of the year, taking into account the results of verification conducted by TEPCO.

Professor Akihiko Yokoyama of the University of Tokyo Graduate School, who is the chair of the working group, says, “We could gather a lot of data such as topography, so we would like to investigate the cause of the collapse.”

Source: nhk

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