CE 704 · Chapter 4
Hydropower Engineering past question
4.2.6 Gravity (concrete) dam analysis, stability (overturning, sliding), stress and material failure
Determine the basewidth of a 20m high trapezoidal concrete dam having a vertical upstream face and top width of 5m. Design water depth is 18m. There is no tail water. Ignore earthquake, silt and ice loads. Take e=B/6, σconcrete=30MPa, σfoundation=80MPa, τs=6MPa. Specific weights of water and concrete are 10kN/m³ and 24kN/m³ respectively. Assume suitable data, if necessary. [6]