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2021
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Invention
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Method for inversion of corresponding line mileage and offset by using known coordinate point. A ... |
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2020
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Invention
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Shield tail outer side grout stop device and construction method therefor. Disclosed in the prese... |
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Invention
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Imprinting material, and roughening construction method for new and old concrete joint surface. D... |
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Invention
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Grouting pipe and method of reinforcing tunnel by surface grouting. A grouting pipe and a method ... |
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Invention
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Method for construction of shaft lining. A method for construction of a shaft lining. A hanging s... |
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Invention
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Method for excavating tunnel shaft. A method for excavating a tunnel shaft (1), by drilling a num... |
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Invention
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Construction method for upright lifting of large-tonnage box girder to bridge, and erection metho... |
