期刊
GEOTECHNICAL AND GEOLOGICAL ENGINEERING
卷 40, 期 3, 页码 1345-1361出版社
SPRINGER
DOI: 10.1007/s10706-021-01967-w
关键词
Structural Geology; Applied Geology; Monte Carlo Simulation Method; Geotechnics
This paper discusses the optimization of predicting underground structural geological conditions based on surface data with great uncertainties. It presents a statistical simulation method for constructing structural geological models and verifies consistency through testing differences at different depth levels.
To optimize the prediction of structural geological conditions in the underground as of data collected at the surface, due to the usual great uncertainties involved, we discuss new perspectives for the construction of structural geological models, bearing in mind the common doubts involved and their implications in the safety of infrastructure works, mining, etc. This paper presents a statistical simulation applied to structural geological measures (dip-dip direction) obtained from schists during the design and construction of civil works through a correlation between surface data with different depth levels. Angular structural geological measures of joints and foliations converted in direction cosines were subjected to the PERMANOVA test to verify the amplitude of differences at different depth levels. The asymptotic results allowed to determine regions of confidence built around centroids through statistical simulation, allowable consistency was considered in regions where the differences in the simulated values were small enough from a practical point of view, considering that the difference between joint structures and foliation structures is smaller in the former. The foliation is a characteristic structure of rock deformation just like the joints.
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