Transmission And Substation Foundations - Technical Design Manual (TD06088E)

Q H = A H (q’N q + 0.5 γ ’BN γ ) Also, because the area of the plate is small, the contribution of the “width” term to ultimate capacity is also very small and the width term is often ignored leaving: Q H = A H (q’N q )

DESIGN METHODOLOGY

Figure 4-4 Reported Values of Nq for Deep Foundations in Sands [fromWinterkorn & Fang (1983)].

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