CERTAIN PROBLEMS OF THE COMPLEX MODULUS OF A FOUNDATION UNDER DYNAMIC LOADING
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OH
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The paper presents certain research results on determination of the complex elastic moduli of foundations consisting of loess, a sand base layer and fill. The effect of the base layer must be taken into account in determining the complex elastic moduli of a stratified foundation approximate formulas are also proposed to allow for the area of the foundation and the effect of pressure when a weak foundation is reinforced with a sand footing, there is a marked increase in its complex modulus. The complex modulus of a fill foundation is lower than that of the same type of earth in its natural state.
- Structural Engineering and Building Technology