Y-15 kN/m O-28° c-0 4m G.W.T. Yut 20 kN/m -33° 4m The above figure shows a concrete gravity retaining wall supporting two layers of soil. Answer the following questions (a, b, c, d, e, f, g & h).

Using the FE handbook, can I get a step by step on how to answer?

Hi, i have drawn out the question in the attached image. Please calculate and plot the distributions of active and passive pressures on the smooth wall.    Soil 1 Soil 2 Cohesion, c  0 0 Bulk Unit Weight  17kN/m3 20kN/m3 angle phi 30 degrees 40 degrees Bulk Unit Weight of water, Yw = 9.81   Please show hand calculations and explain steps. Thankyou !

A retaining wall 9 m high supports a cohesionless sandy soil with its face vertical as shown in figure below. find active earth pressure on the wall , Take Yw = 9.81kN / (m ^ 3)

Wooden posts (E=1,800,000 psi) are used for a retaining wall, each post is 6in x 6in. If the soil pressure along a post varies linearly from zero at A to a maximum at B, determine the displacement at the top of the post. Assume B is fixed and A is free. Report your answer in inches to three decimal places.

4- A moderately curved channel with a slightly rounded non-cohesive bed material with a diameter of d50 = 25 mm carrying a discharge of 30 m³/s. The longitudinal slope of the channel is 0.001 and the side wall slopes are designed to be 60% of the angle of repose of the bed material Note: Use the Strikler's formula to calculate Manning's value. Use the Swammy and Mittal's formula to estimate the critical shear stress. Use the free board depth of 0.5m. a) Design the channel using the tractive force method for a Boly ratio of 20 b) Design the channel using the most efficient hydraulic section c) Discuss about the channel stability and erosion for both designs in parts a and b Strickler (Chow, 1959) proposed a correlation between the mean diameter of bed material, dso, and the Manning's coefficient as: n = 0.039d¹/6 Swamee and Mittal (1976) proposed an explicit equation to express the Sheild's curve defined as: 50 0.409d² 1/2 (1+0.177d² )¹/¹² T = 0.155+.

Determine the flexural stresses using the transformed area method. Show complete solution