利用不规则形状载荷模型研究周边矿山开采对营口倾斜观测的影响

doi:10.12196/j.issn.1000-3274.2020.02.013

Abstract

Abstract: Based on the comparison between the surface centralized load model and the three-dimensional finite load model, An example of mining impact during the period of abnormal change from 2009 to 2016 by using Yingkou SQ-70 analog horizontal pendulum tilt instrument, The theoretical value of the influence of different stages of mine mining on the tilt of quartz pendulum is calculated quantitatively by using the 2-D cable irregular load model. The results show that: In 2009, this period of time is abnormal for mining as the theoretical value; after 2013, removal of rainfall northerly influence more than the theoretical value of the calculation results, therefore, the abnormal changes after 2013 can not be attributed to the load changes caused by mining, This is also the actual reflection of changes in the inclination of the earth’s crust, Quantitative calculation of the effect of load on the tilt observation of quartz pendulum, It can play an auxiliary role in the abnormal analysis and determination of tilt observation data.

Key words: Tilt observatio, Irregular load model, Mining, Quartz pendulum tiltmeter, Yingkou station

CLC Number:

P315.7

ZHAI Li-na, JIA Xiao-dong, JIAO Ming-ruo, KONG Xiang-rui, WANG Song-yang. The Study of Underground Mining on Yingkou Tilt ObservationInfluence by Irregular Shape Load Model[J]. EARTHQUAKE, 2020, 40(2): 166-176.

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The Study of Underground Mining on Yingkou Tilt ObservationInfluence by Irregular Shape Load Model

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