Essays about: "tunnels"
Showing result 1 - 5 of 125 essays containing the word tunnels.
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1. Adapted data collection in field utilizing RMR and the Q-system
University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserAbstract : The focus on slope stability has increased rapidly in Norway over the last years due to several unwanted landslides. In Norway, the most used method today to classify the rock mass and to determine the required reinforcement, is the Q-system. In addition to that the RMR method is also a commonly used method. READ MORE
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2. Rock Wedge Stability Assessment : A Comparative Analysis of Limit Equilibrium and Discrete Element Methods
University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserAbstract : Rock wedge stability is a common concern in underground excavations. Since the wedge stability influences the support design, it is important to use a wedge stability analysis method that can capture factors like excavation geometry, joint parameters and properties, rock mass properties, rock cover, and stress field as accurately as possible. READ MORE
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3. Safety in pedestrian tunnels. An interview study of elderly women and urban planners.
University essay from Göteborgs universitet / Institutionen för ekonomi och samhälleAbstract : .... READ MORE
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4. Groddjursåtgärden vid Lillbyasjön i Östhammars kommun : ett hjälpmedel eller ett hinder?
University essay from SLU/Dept. of Urban and Rural DevelopmentAbstract : Groddjuren hotas av utrotning och minskar snabbt i populationsstorlek. Trafiken är en faktor som kan ge additiv dödlighet till populationer som behöver korsa en väg vid migrationen mellan övervintringsplatserna och lekvattnen. READ MORE
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5. Opportunities with Modular Systems in Level Crossings : A Case Study in the Swedish Railway Industry
University essay from KTH/Skolan för industriell teknik och management (ITM)Abstract : Level crossings are a dangerous part of railways, causing several deaths every year. While the safest solution is to remove crossings altogether using bridges or tunnels, this is complicated and cannot be done on a large scale. Many level crossings will therefore continue to exist. READ MORE