EXCECUTION OF EXCAVATION WORKS BASED ON DATA SUPPORTED BY EXTENDED KALMAN FILTER

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  • 拡張カルマンフィルター支援による山留め工事の計測管理手法
  • カクチョウ カルマン フィルター シエン ニ ヨル ヤマドメ コウジ ノ ケイ

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Abstract

The purpose of this study was to develop an observational control system for excecuting excavation works using data based on minimum measurements. Here, method of analysis and results of verification based on measurement are shown. The analytical procedure consists of 3 stages; analysis under present condition for estimating wall displacement and bending moment, back analysis for estimating lateral pressure and coefficient of horizontal subgrade reaction and prediction analysis based on these assumed parameters. The use of the extended Kalman filter of control theory is a spetial feature of the back analysis which has a greatest importance relative to the purpose of this study.

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