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List of products by author: D. Glantschnegg
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Analysis of Safety Issues and Installation Time of Innovative Pipe Umbrella Installation Methods
Abstract: Pipe umbrella support systems have been used successfully for tunneling in challenging ground conditions since the 1970’s. Due to further developments of the drilling machinery, this pre-support system is used at shallow tunnels in weaker ground conditions on a regular basis. Pipe umbrella pipes are installed stepwise by connecting pipes to each other so the processes “coupling” and...
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Showing 1 - 1 of 1 document