Abstract
This paper is a study on the observational construction of earth-retaining works used on the basis of minimum measured data on the inclination of wall and axial forces of the struts.
The observational construction procedure consists of 3 stages; analysis under present condition to determine wall deformation and bending moment, back analysis for estimating the lateral pressure and the coefficient of horizontal subgrade reaction used the extended Kalman filter, and predictive analysis involves predicting the behavior of the earth-retaining wall. Thus, the method based on field measurement proved to be effective in construction control.
