List of products by author: M. B. O. Seixas

• Read more

  0,00 €

  Challenges in a great diameter tunnel excavation in sandy soil

  Abstract: An 84 m long conventional tunnel with 117 m² tunnel cross section is under constructed in layered soil, which ranges from sandy soil with high permeability to clayey soil with low permeability. High groundwater pressures in the excavation of the crown and invert have been experienced. The tunnel concept had a pre-support in Jet Grouting executed from surface. This solution allowed a faster...

  0,00 €

  Add to cart