Abstract
With the acceleration of urbanization, the impact of human production and life on the earthquake observation environment is increasingly prominent. In order to study the influence of the construction of buildings (structures) around the observation station on the geophysical observation data, taking the deformation observation vertical pendulum tiltmeter and cavern strain gauge of Mudanjiang Seismic Station as examples, through field verification, inspection of instrument and equipment working state, environmental interference and meteorological factors, it was found that the construction time and direction of the southeast residential area of the observation station were related to the abnormal characteristics. In this study, based on the principle of superposition of normal concentrated force point load on the surface of semi-infinite body, the load change caused by the construction of station surrounding engineering was quantitatively calculated, and the influence degree of load was analyzed, which would provide support for further clarifying the interference source.
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