Measuring point structure of earth surface movement observation station
The utility model relates to the technical field of coal mining monitoring, and provides a measuring point structure of an earth surface movement observation station, which comprises a precast pile body and an observation measuring nail, a hollow structure is arranged in the prefabricated pile body...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to the technical field of coal mining monitoring, and provides a measuring point structure of an earth surface movement observation station, which comprises a precast pile body and an observation measuring nail, a hollow structure is arranged in the prefabricated pile body and extends from the top face of the first end of the prefabricated pile body to the bottom face of the second end of the prefabricated pile body in the axial direction of the prefabricated pile body. The observation measuring nail is connected with the top surface of the first end of the precast pile body, the measuring mark is formed on the observation measuring nail, the bottom surface of the second end of the precast pile body is used for being connected with a measuring point pit bottom, and the precast pile body is formed by pouring concrete; the hollow precast pile body is precast, so that the overall weight is reduced, the precast cost and the carrying cost are reduced, and the construction efficiency is en |
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