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Dissertations and Theses

1987

Retaining walls

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Full-Text Articles in Engineering

A Finite Difference Soil-Structure Interaction Study Of A Section Of The Bonneville Navigation Lock Buttress Diaphragm Wall Utilizing Pressuremeter Test Results, Thomas C. Mccormack Jun 1987

A Finite Difference Soil-Structure Interaction Study Of A Section Of The Bonneville Navigation Lock Buttress Diaphragm Wall Utilizing Pressuremeter Test Results, Thomas C. Mccormack

Dissertations and Theses

The P-y curve, used in current practice as an efficient Iine-load vs. soil displacement model for input into the finite difference method of laterally loaded pile analysis, is extended in this study for use with cohesionless soils in diaphragm wall analysis on the Personal Computer with the BMCOL7 program. An analogous W-y curve is proposed, an elastic-plastic model with line-load limits developed from classical earth-pressure theories.

A new formula for predicting a horizontal wall modulus for cohesionless soils from the pressuremeter modulus is developed for use in predicting the displacements on the W-y curves. The resulting modulus values are shown …