Concept

Big Dig

Related publications (5)

The Decision Aids for Tunneling are a very powerful tool in assisting decision makers. They have been developed and applied over decades. As popular as they have become in big tunneling projects, they remain complicated and less used for small tunnels. The ...

2018

Parametric study of soil abrasivity for predicting wear issue in TBM tunneling projects

Jian Zhao

The lack of reliable methods for evaluation of soil abrasivity and revealing the effects of different parameters on wear rate are nowadays considered as a deficiency in geotechnical investigation during feasibility study, design and construction phases of ...

Pergamon-Elsevier Science Ltd2015

Introduction of an empirical TBM cutter wear prediction model for pyroclastic and mafic igneous rocks; a case history of Karaj water conveyance tunnel, Iran

Jian Zhao

One of the main cost items in tunneling projects using tunnel boring machines (TBMs) in rock and soil is the cost of changing of damaged or worn cutting tools. Cutter change is a time consuming activity which can have a major impact on the daily advance ra ...

Elsevier2014

Analysis of pathologies and long term behaviour of the Swiss national road tunnels

Federica Sandrone

This project, supported by the Swiss Federal Roads Authority (OFROU), focuses on the long term behaviour of road tunnels and on their main pathologies. As a tunnel is composed by lining structure and rock mass, it has been necessary to consider the effects ...

EPFL2008

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