Sökning: "rock support"
Visar resultat 1 - 5 av 50 avhandlingar innehållade orden rock support.
1. Rock support in weak rock : a study on the URI project
Sammanfattning : .... LÄS MER
2. Analysis of Excavation Damage, Rock Mass Characterisation and Rock Support Design using Drilling Monitoring
Sammanfattning : Prior to an underground excavation a site investigation is carried out. This includes reviewing and analysing existing data, field data collected through outcrop mapping, drill core logging and geophysical investigations. LÄS MER
3. Reliability-based design of rock tunnel support
Sammanfattning : Since 2009, design of rock tunnels can be performed in accordance with the Eurocodes, which allows that different design methodologies are applied, such as design by calculation or design using the observational method. To account for uncertainties in design, the Eurocode states that design by calculation should primarily be performed using the partial factor method or reliability-based methods. LÄS MER
4. Modeling flow and transport in fractured rock : role of heterogeneity, support scale and transport channeling
Sammanfattning : .... LÄS MER
5. On reliability-based design of rock tunnel support
Sammanfattning : Tunneling involves large uncertainties. Since 2009, design of rock tunnels in European countries should be performed in accordance with the Eurocodes. The main principle in the Eurocodes is that it must be shown in all design situations that no relevant limit state is exceeded. LÄS MER