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List of products by author: M. Ziegler
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Effect of tail void grouting on the surface settlements in soil of low permeability
Abstract: In shield tunneling the tail void grouting is a common practice to control the surface settlements. Generally surface settlements in a soil of low permeability occur during a tunnel construction but also during a long period after completion of the tunnel. The long-term settlements are mainly due to consolidation around the tunnel. The consolidation process is caused...
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Optimization of conventional brine freezing in combination with liquid nitrogen freezing
Abstract: Artificially frozen soil can be used as an impermeable support structure for a wide range of geotechnical applications. Basically, two different methods are used, ground freezing with brine and with liquid nitrogen. Although the freezing method with brine has recently been applied in a number of construction projects, the freezing method with liquid nitrogen is still considered as an emergency...
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