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  1. StevenPumphrey

    Civil Engineering Estimating Book

    Does anybody have a particularly good book for estimating purposes and cost of materials?
  2. StevenPumphrey

    Seismic Site Classification

    With respect to seismic site classification,does it make any difference if your foundations are placed on piles which are driven to bedrock? Let's say I did a site classification based upon SPT, and found the average N in the first 100 ft to be 25. There is soil for the first 50', and bedrock...
  3. StevenPumphrey

    Lateral Beam Bracing and Anchorage

    Hey, So I need to clear up some confusion here. Let's say we have a typical building roof. It has main support girders, and purlins (or beams) that frame into the compression flange of the girders. Both the girders and beams are at the same top of steel elevation. On top of the beams is a...
  4. StevenPumphrey

    Large Welded Pipe Yield Strength

    Hello, I am trying to find out the yield strength of a 36" diameter pipe which will be welded together. Any input or direction to a properties page would be helpful
  5. StevenPumphrey

    Anchorage into Concrete Pier / Pier Sizing

    Hello everyone, Here is the dilemma. I have a typical building with base shears. The building has steel columns connected with anchor bolts to piers. The piers are reinforced with longituinal reinforcing and has stirrups that ties it all together. I have been trying to determine the...
  6. StevenPumphrey

    Seismic Member Slenderness AISC Cl. 13.2a

    Hey, Ok, need some help understanding this. I have a building braced along a number of lines by HSS 6X6X1/2" members as cross bracing. I now need to check if this member complies with the slenderness requirements of Seismic Provisions, Cl.13.2.a. I have quite long lengths for the bracing...
  7. StevenPumphrey

    Braced Frame Second Order Effects

    Hello, I am doing an analysis of a braced frame for an industrial building. I am confused over the isssue of whether or not I must perform a secondary analysis or not. It says in the new code that generally braced frames are analyzed without secondary effects. Is this true? I performed an...

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