Tunnel ground stress rapid testing device and method
The invention discloses a tunnel ground stress rapid testing device and method, and the device comprises at least one sound wave transmitting device which is disposed at a set position of a first detection hole; the sound wave emitting devices are sequentially connected through signal transmission l...
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| Hauptverfasser: | , , , , , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a tunnel ground stress rapid testing device and method, and the device comprises at least one sound wave transmitting device which is disposed at a set position of a first detection hole; the sound wave emitting devices are sequentially connected through signal transmission lines, and the signal transmission lines are connected to a wave velocity testing device; the plurality of sound wave receiving devices are respectively arranged at set positions of the second probe hole; the sound wave receiving devices are sequentially connected through signal transmission lines, and the signal transmission lines are connected to a wave velocity testing device; the upper side and the lower side of each sound wave transmitting device and each sound wave receiving device are connected with telescopic motors respectively, and the telescopic motors are connected with coupling pieces. The coupling piece can be tightly attached to the upper hole wall and the lower hole wall by adjusting the telescopic l |
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