Discussion Forum : Failure Envelopes And Earth Pressure
Question - The depth at which the tension is zero for cohesive soils with retaining wall in terms Kₐ is _____
Options:
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 .  \(z_0=\frac{2c}{γ}(\frac{1}{K_a}) \)
Answer: Option B
Answer: (b).\(z_0=\frac{2c}{γ} \frac{1}{√K_a } \)

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