Question
a.
\(z_0=\frac{2cK_a}{γ} \)
b.
\(z_0=\frac{2c}{γ} \frac{1}{√K_a } \)
c.
\(z_0=\frac{2cK_a}{γ} \)
d.
\(z_0=\frac{2c}{γ}(\frac{1}{K_a}) \)
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Q. The depth at which the tension is zero for cohesive soils with retaining wall in terms Kₐ is _____
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