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New directions for waterproofing of underground transport
Čech, Tomáš ; Čížek, Luboš (referee) ; Šťastník, Stanislav (advisor)
This diploma thesis focuses on the implementation of waterproofing of underground constructions using an LLDPE membrane hinged on anchors. In the future, this method will replace the commonly used waterproofing system in Scandinavia with extruded polyethylene foam. This method of tunnel construction and waterproofing is compared with the NRTM method, often used in Central Europe. The thesis describes the installation of a waterproofing system, especially materials, accessories, welding devices and auxiliary installation equipment. The main focus of the thesis is to verify the reliability of the individual types of welds and to assess the waterproofing system in terms of implementation and environmental demands.
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Implementation of the SCL method for tunnel construction
Slezáková, Pavlína ; Dragoun, František (advisor) ; Uhrin, Michal (referee)
This Bachelor's thesis is a summary of recent knowledge about the tunneling method Sprayed Concrete Lining. The first part of the thesis is focused on the origins of sprayed concrete, on the history of the SCL method and its connection to the NRTM method. Essential parts of this thesis include the principles of excavation using the SCL method, the excavation process and the requirements, such as construction monitoring. Additionally, there is an overview of shotcrete material; both, what the mixture is composed of and what geotechnical parameters, usually, limit the application of this method. The second part of the thesis presents mechanical parameters of clay rocks, and also includes a summary of the possibilities of using the SCL method in the Czech Republic, with a specific example of a planned project.
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New directions for waterproofing of underground transport
Čech, Tomáš ; Čížek, Luboš (referee) ; Šťastník, Stanislav (advisor)
This diploma thesis focuses on the implementation of waterproofing of underground constructions using an LLDPE membrane hinged on anchors. In the future, this method will replace the commonly used waterproofing system in Scandinavia with extruded polyethylene foam. This method of tunnel construction and waterproofing is compared with the NRTM method, often used in Central Europe. The thesis describes the installation of a waterproofing system, especially materials, accessories, welding devices and auxiliary installation equipment. The main focus of the thesis is to verify the reliability of the individual types of welds and to assess the waterproofing system in terms of implementation and environmental demands.
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New directions for waterproofing of underground transport
Čech, Tomáš ; Vaněrek, Jan (referee) ; Šťastník, Stanislav (advisor)
This diploma thesis focuses on the implementation of waterproofing of underground constructions using an LLDPE membrane hinged on anchors. In the future, this method will replace the commonly used waterproofing system in Scandinavia with extruded polyethylene foam. This method of tunnel construction and waterproofing is compared with the NRTM method, often used in Central Europe. The thesis describes the installation of a waterproofing system, especially materials, accessories, welding devices and auxiliary installation equipment. The main focus of the thesis is to verify the reliability of the individual types of welds and to assess the waterproofing system in terms of implementation and environmental demands.
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