Abstract
The importance of ground abrasivity on the performance of tunnel boring machine (TBM) is clear subject for most of projects dealing with tunneling operations. Evaluation of soil abrasivity is one of the most challenges in soft ground TBM tunnelling. In recent years many abrasivity devices were developed to measure the soil abrasion potentials for a specific site conditions. In this paper a new device is developed on the base of simulating the real site condition to estimate the abrasivity of the soil particles for a mechanized tunnelling using shielded TBM application and the influence of some parameters on soil abrasivity was investigated by use of LCPC (developed by the Laboratoire Central des Ponts et Chaussées) and new developed device (NDD). The results indicates that by increasing of soil particle size, bentonite slurry, soil pressure and equivalent quartz content, the abrasivity of soil tend to be increased. The influence of water on abrasivity is not the same in all of the soil types. By increasing of water pressure, the abrasivity of soil decreased.
Original language | English |
---|---|
Title of host publication | Underground - The Way to the Future: Proceedings of the World Tunnel Congress, WTC 2013 |
Publisher | CRC Press |
Pages | 1187-1194 |
Number of pages | 8 |
ISBN (Print) | 9781138000940 |
Publication status | Published - 2013 |
Externally published | Yes |
Event | World Tunnel Congress (WTC) / General Assembly of the International-Tunnelling-and-Underground-Space-Association (ITA) 2013: Underground - The Way to the Future - Geneva, Switzerland Duration: 31 May 2013 → 7 Jun 2013 Conference number: 39th http://www.tunnel-online.info/en/artikel/tunnel__1797134.html |
Conference
Conference | World Tunnel Congress (WTC) / General Assembly of the International-Tunnelling-and-Underground-Space-Association (ITA) 2013 |
---|---|
Abbreviated title | WTC 2013 |
Country/Territory | Switzerland |
City | Geneva |
Period | 31/05/13 → 7/06/13 |
Internet address |