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STRESS ON SOILS

Vertical Stress Caused by Vertical Line Load

Stress on Soils

Vertical Stress Caused by Vertical Line Load of Infinite Length

The vertical stress increase, inside the soil mass as a result of the introduction of a vertical flexible line load of infinite length that has an intensity q/unit length on the surface of a semi-infinite soil mass is given by the following equation;

σ = 2 q z 3 π ( x 2 + z 2 ) 2 where;
Δσ=vertical stress increase, kN/m2,
q=load per unit length, kN/m,
x,z=distances along x and z axis respectively, m.
FIGURE
Fig: Stresses in elastic medium caused by line load

Vertical stress Caused by Vertical Line Load





Vertical Stress by Vertical Line Load

x, m:

z, m:

Vertical Normal Stress, Δσz:



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