Search for dissertations about: "grouting rock"
Showing result 1 - 5 of 31 swedish dissertations containing the words grouting rock.
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1. Drip Sealing Grouting of Tunnels in Crystalline Rock: Conceptualisation and Technical Strategies
Abstract : A conceptual model of the groundwater hydraulic conditions around the tunnel contour in ancient brittle crystalline rocks has been developed and verified. The general aim has been to reach an understanding of the groundwater conditions in and close to the tunnel roof where dripping takes place and to propose technical and practical strategies for waterproofing. READ MORE
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2. Design approaches for grouting of rock fractures; Theory and practice
Abstract : Currently, cement base grout is used widely for sealing of the rock fractures in order to decrease the permeability of rock mass. Grouting procedure is one of the main tasks in cycle of rock excavation. In addition, huge amount of grout should be used during dam construction in order to seal the bedding and embankment walls. READ MORE
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3. On the Use of Engineering Geological Information in Rock Grouting Design
Abstract : Underground rock construction is dependent on appropriate assessments of the geological settings at the project site. Relevant geological information must be collected, interpreted and communicated clearly with the aid of engineering geological prognoses. READ MORE
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4. Study of Pumping Pressure and Stop Criteria in Grouting of Rock Fractures
Abstract : Today practice of grouting is based on empirical approaches in that, pumping pressure and stop criteria are determined by benchmarking similar projects. Considering a maximum limit for grouting pressure would allow applying a relatively high pressure that may lead to jacking of the fracture or even uplift of the rock mass. READ MORE
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5. Grouting of Fractured Rock with Silica Sol; Grouting design based on penetration length
Abstract : ABSTRACTRecent grouting projects in Sweden have concentrated on the grout itself. The only grout normally used in Sweden is cement-based. During the past 10 years, the acceptable flow of water into tunnels has been reduced significantly. The current requirements mean that an average fracture aperture of around 0. READ MORE