Vibro-stone column filling schemes based on Group AHP

CHEN Daoxiang; LIN Peng; DING Peng; LI Guo; CHEN Tao; YU Zhuojing

doi:10.16511/j.cnki.qhdxxb.2022.26.032

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Journal of Tsinghua University(Science and Technology) ›› 2022, Vol. 62 ›› Issue (12) : 1915-1921. DOI: 10.16511/j.cnki.qhdxxb.2022.26.032

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Vibro-stone column filling schemes based on Group AHP

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Abstract

The group analytic hierarchy process (AHP) was used with boxplots and Spearman's rank correlation coefficient analyses. The relevant parameters of the hierarchy of decisions were calculated with Python. This multi-criteria decision-making model was then built. Previous investigations have not been reliable and the basic AHP is not always consistent. This Group AHP was then used to compare various vibro-stone column packing methods for treating the deep overburden dam foundation of a hydropower station in southwest China. The results show that the various project participants have different preferred technical routes. Designers and researchers are more inclined to choose innovative technical methods; while owners, constructors and supervisors are more inclined to use mature, reliable schemes. An intelligent feed device and a method were developed, which improve the quantity accuracy and the quality of the vibro-stone column filler for the deep overburden dam foundation.

Key words

analytic hierarchy process / group decision making / vibro-stone columns / filling schemes / Spearman correlation coefficient / response times

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CHEN Daoxiang, LIN Peng, DING Peng, LI Guo, CHEN Tao, YU Zhuojing. Vibro-stone column filling schemes based on Group AHP[J]. Journal of Tsinghua University(Science and Technology). 2022, 62(12): 1915-1921 https://doi.org/10.16511/j.cnki.qhdxxb.2022.26.032

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