In Problem 18 4, find the maximum bending moment in the sheet pile and determine the required section modulus, assuming an allowable stress of 190 MN m 2 Problem 18 4 A 5 m deep excavation is required in a dry sand where 17 5 kN m 3 and ' 32 (see Figure 18 11) Determine the actual depth to which the sheet pile has to be driven and the required section (from Table 18 1), assuming allowable stress of 190 MN m 2 Use the net pressure diagram D actual 1 3D theory Sand L Sand L3 D L4 L5 os

Question: In Problem 18.4, find the maximum bending moment in the sheet pile and determine the required section modulus, assuming an allowable stress of 190 MN/m

In Problem 18.4, find the maximum bending moment in the sheet pile and determine the required section modulus, assuming an allowable stress of 190 MN/m².

Problem 18.4

A 5 m deep excavation is required in a dry sand where γ = 17.5 kN/m³ and ϕ' = 32° (see Figure 18.11). Determine the actual depth to which the sheet pile has to be driven and the required section (from Table 18.1), assuming allowable stress of 190 MN/m². Use the net pressure diagram.

D_actual = 1.3D_theory

Sand L Sand L3 D L4 L5 os

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