色盒直播

Tunnel trouble

十一月 18, 1994

Civil engineering departments rushed for this month's Tunnels and Tunnelling magazine, published the day after the Heathrow tunnel collapse. Sadly, its printing deadlines meant that the disaster was not mentioned. Instead its front-page feature was about an amazing new Austrian tunnelling technique being used for the first time on London clay.

请先注册再继续

为何要注册?

  • 注册是免费的,而且十分便捷
  • 注册成功后,您每月可免费阅读3篇文章
  • 订阅我们的邮件
注册
Please 登录 or 注册 to read this article.
ADVERTISEMENT