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Title: Finite element study of tieback wall for Bonneville Navigation Lock
Authors: United States. Army. Corps of Engineers. Portland District.
Mosher, Reed L.
Knowles, Virginia R.
Keywords: Anchored/tieback wall
Diaphragm wall
Instrumentation data
Nonlinear finite element analysis
Finite element method
Performance prediction
Slurry trench construction
Soil-structure interaction
Temporary wall
Bonneville Dam (Or. And Wash.)
Columbia River
Publisher: Information Technology Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Technical report (U.S. Army Engineer Waterways Experiment Station) ; ITL-90-4.
Description: Technical Report
Abstract: This study of the Bonneville Navigation Lock temporary tieback wall was performed to analytically confirm the design of the wall and to predict its performance during construction operations. The method chosen to do this involves finite element (FE) soil-structure interaction analysis. This method of modeling the wall-soil relationship provides a detailed and accurate representation of the system and its response to various loadings. The objectives of the study were met through both the development and analysis of a finite element model with the program SOILSTRUCT and assessment of the measured field performance of the wall. The analysis and instrumentation results showed that the wall section studied deflected less than the 0.1-ft limit set by design criteria. In addition, the incremental analysis allowed prediction of wall performance during construction. The analysis results were used in conjunction with the instrumentation results to verify both the FE model and the instrumentation. The results produced by the FE analyses are wall deflection, bending moment, earth pressure distribution, anchor loads, ground surface movement, and soil stresses.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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