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2016
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Invention
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Tunnel construction method using pre-support and post-support and apparatus suitable for same. Th... |
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Invention
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Anchor having fixing device at side of pressure plate to depress land slope and method of install... |
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2015
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Invention
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Method for constructing linear support member of large-section tunnel having small flattening. Th... |
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2014
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Invention
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Method for reinforcing pillar part of adjacently constructed parallel tunnels with reinforcing ro... |
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2003
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Invention
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Structure of intermediate wall of three arch excavated tunnel and method for constructing the sam... |
