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  1. T.Burke

    Sliding Stability, Coefficient of friction given soils angle of internal friction

    In my case, we have a rectangular concrete tank, cast against and at grade, holding back full height water pressure and obviously no lateral soil resistance.We have a full length engineering joint that basically divides the tank into pieces, so lateral movement could be possible. The equation at...
  2. T.Burke

    Sliding Stability, Coefficient of friction given soils angle of internal friction

    After some more reading, it looks like the friction angle is further reduced by k, which are usually in the range of 1/2 to 2/3, so lexeng18 that makes sense. Thanks!
  3. T.Burke

    Sliding Stability, Coefficient of friction given soils angle of internal friction

    Looking at the sliding stability of a retaining wall. Soils are sandy (cohesion = 0). I have soil boring's which provide the soil angle of internal friction (Φ),which is 26 degrees. My question is, is there a way to determine the coefficient of friction for the soil from the soil angle of...
  4. T.Burke

    Crane Runway Design

    Designing crane runway for an Industrial building. Vertical loads are increased by an impact factor and side thrust loads are some percentage of the total vertical load. Two questions: (1) do I include the impact factor while looking at vertical / horizontal deflections (obviously supposed to...

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