Basic Understanding of Earth Tunneling by Melting : Volume 2. Earth Structure and Design Solutions.
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1974-07-01
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By Black, D. L.
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Abstract:A novel technique, which employs the melting of rocks and soils as a means of excavating or tunneling while simultaneously generating a glass tunnel lining and/or primary support, was studied. The object of the study was to produce a good basic understanding of the fundalmental process, its limits and capabilities, as applied to a large scale (~10m diameter) transportation tunnels.
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