Horizontal displacement monitoring method of virtual baseline with free station setting

LI Zhichao; YAN Yangyang

doi:10.20265/j.cnki.issn.1007-2993.2024-0546

Volume 40 Issue 1

Feb. 2026

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LI Zhichao, YAN Yangyang. Horizontal displacement monitoring method of virtual baseline with free station setting[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2026, 40(1): 36-42. doi: 10.20265/j.cnki.issn.1007-2993.2024-0546

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LI Zhichao, YAN Yangyang. Horizontal displacement monitoring method of virtual baseline with free station setting[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2026, 40(1): 36-42. doi: 10.20265/j.cnki.issn.1007-2993.2024-0546

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Horizontal displacement monitoring method of virtual baseline with free station setting

doi: 10.20265/j.cnki.issn.1007-2993.2024-0546

China JIKAN Research Institute of Engineering Investigations and Design Co., Ltd., Xi’an 710021, Shaanxi, China

Received Date: 2024-11-25
Accepted Date: 2025-03-06
Rev Recd Date: 2025-01-06
Publish Date: 2026-02-06

Abstract

Abstract

The inconvenience of using the reference point in the current foundation pit monitoring was discussed, and the applicability and convenience of the prism reference point in the urban foundation pit monitoring were analyzed. Through the research and application of the total station free station technology, the method and steps of the free station method to establish an independent reference network for horizontal displacement monitoring was introduced, and the method to improve the accuracy of this kind of reference network was proposed, to realize the accurate measurement of the spatial position of the monitoring point relative to the reference point. A new horizontal displacement monitoring method, the virtual reference line method of horizontal displacement monitoring based on the total station free setting method, is proposed. By establishing the virtual reference line, the horizontal distance change of the monitoring point relative to the virtual reference line is monitored, and then the displacement change of the monitoring object in a specific direction is determined, which has high precision, flexibility, and practicability.
- free station,
- horizontal displacement monitoring,
- reference network,
- virtual baseline,
- automatic monitoring

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References(15)

References

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Horizontal displacement monitoring method of virtual baseline with free station setting

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