List of products by author: Y. Iwasaki

• Read more

  0,00 €

  Development of the New Joint (SB Joint) for Shield Tunnels

  Abstract: Traditionally most segments of shield tunnels built in soft ground like that of Japan are solidly connected by bolts. However, in the interest of eliminating the need for secondary lining, speeding up construction and decreasing costs, segments with smooth inner surfaces have become mainstream in Japan in recent years. Thus, various types of one-pass joints, by which tunnels are lined by simply...

  0,00 €

  Add to cart