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2021
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Invention
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Large-diameter cast-in-situ thin-walled prestressed concrete steel pipe pile and construction met... |
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Invention
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Plastic casing secant pile construction method. Provided is a plastic casing secant pile construc... |
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Invention
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Construction method for pre-stressed pull-resistant anchor rod of concrete expansion head. A cons... |
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2020
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Invention
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Inclinometry robot and inclination measuring method. An inclinometry robot, comprising an inclino... |
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Invention
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Operation platform for pulling piles, pile pulling device and pile pulling method. The present ap... |
