1. Calculate the vertical effective stress at point A. All unit weights are in pef. Levee V = 125 15 ft 3 ft y = 119 10 ft A Potential Sliding Surface

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BRAIN EXERCISE PROBLEM 1 Determine the maximum shear stress, maximum flexural tensile stress and maximum flexural compressive stress of the beam. The dimensions of the cross-section of the beam are a = 300 mm, b = 150 mm and c = 50 mm. A 30 KN/m D. Lopez www. 10 KN 2.00 B C 20 KN/m D wwwww. 1.00 1.00 2.00 in meters E Figure A: Overhanging Beam C a

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.

1. Determine the force F per metre width (into the page) of the rectangular prismatic concrete block shown on the figure below, that would lead to sliding of the block. The water depth is 10m and the unit weight of concrete is 24 kN/m³. 10m 5m 2.5m Sand sea bed, d=p²=35°