Journal
COMPUTERS AND GEOTECHNICS
Volume 118, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compgeo.2019.103331
Keywords
Site investigation; Centroidal Voronoi tessellation; Random field; Nonstructural grid; Irregular site geometry
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Funding
- National Natural Science Foundation of China [51678578]
- Natural Science Foundation of Guangdong Province [2016A030313233]
- Guangzhou Municipal Science & Technology Program [201704020139]
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This work proposes a centroidal Voronoi tessellation (CVT)-based site investigation scheme, which is applicable to arbitrary site geometries and arbitrary numbers of investigation locations. A modified Lloyd algorithm is developed to generate CVT-based site investigation programs. With the data from prior site investigations, the random field statistics of a site property are estimated using a Markov chain Monte Carlo simulation-based Bayesian inference approach, and the site property at each location is estimated using Kriging interpolation. The performance of the CVT-based site investigation programs and optimization are demonstrated using two illustrative examples, namely, a square site and an irregular site.
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