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Optimization of Site Exploration Program Based on Coupled Characterization of Stratigraphic and Geo-properties Uncertainties by Chao Zhao; Wenping Gong; C. Hsein Juang; Huiming Tang; Xinli Hu; Lei Wang is a Engineering article available to read on EtoBox.

What is Optimization of Site Exploration Program Based on Coupled Characterization of Stratigraphic and Geo-properties Uncertainties about?

Due to the inherent spatial variability of the geological bodies, limited boreholes (constrained by budget), and data interpretation errors, the subsurface conditions (in terms of the stratigraphic configuration and associated geo-properties) at a site are hard to ascertain, and considerable stratigraphic and geo-properties uncertainties are induced. The stratigraphic and geo-properties uncertainties could complicate the engineering design. One way to reduce the uncertainties is to adopt an optimal site exploration program under constraints. This paper presents a novel framework for optimizing the site exploration program based on a coupled characterization of the stratigraphic and geo-properties uncertainties. Within the context of the proposed framework, a conditional random field approach, recently advanced by the authors, is employed to characterize the stratigraphic and geo-properties uncertainties simultaneously. Here, the spatial correlation of stratum existence (depicting stratigraphic configuration) and that of geo-properties are estimated with a Bayesian updating scheme. Then, the ‘influence zone’ at the concerned site, which is often problem-specific, is selected based o

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Author

Chao Zhao; Wenping Gong; C. Hsein Juang; Huiming Tang; Xinli Hu; Lei Wang

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)