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  1. sharathkumar

    Dynamic Analysis of Foundation

    Thank you all for your timely responses. The numbers by Bowles were deemed unacceptable because of the Ao factor. Right now we are trying to create a model in Dynamat, Ensoft Inc. software. Hopefully this will work. I have come up with some numbers based on the "FHWA, Geotechnical Earthquake...
  2. sharathkumar

    Dynamic Stiffness Parameters for Turbine Foundation

    How do we calculate Dynamic Spring and Damping Constants for bedrock and soil, for the case given below. Type of Structure : Steam Turbine Generator Operation Speed : 3600 rpm Foundation : Pedestal Type, 46'x106'x42'high Existing Ground Elev. : 790.0' Top of Rock Elev. : 786.0' Footing bottom...
  3. sharathkumar

    Dynamic Analysis of Foundation

    First of all, Thanks for the replies. I have drilled every equation from Bowles and came up with some numbers. The numbers were unacceptable by our client and also the Ao factor in this case was 12.5, but bowles procedure was good for Ao<1.5 I tried Novak, but the procedure in his 1974 paper...
  4. sharathkumar

    Seeking software especially for dynamic design

    What procedure did you follow to calculate the Dynamic Spring and Damping Constants for the Pedestal that is supporting Turbine Generator. They are critical to decide which model you want to use.Let me know. Thanks.
  5. sharathkumar

    Dynamic Analysis of Foundation

    How do we calculate Dynamic Spring and Damping Constants for bedrock and soil, for the case given below. Type of Structure : Steam Turbine Generator Operation Speed : 3600 rpm Foundation : Pedestal Type, 46'x106'x42'high Existing Ground Elev. : 790.0' Top of Rock Elev. : 786.0' Footing bottom...

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