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  1. gregnordholm

    Design wind speeds for container crane in Lagos

    Any ideas about a max design wind speed in Lagos. there is a national building code for nigheria but i have not yet figured out how to get a copy in english
  2. gregnordholm

    Bridge of Americas-Panama

    I am looking for something definitive regarding the maximum vertical clearance above high water for the Bridge of the Americas in Panama. Officially it is 201 feet, but I have also been told that real maximum is significantly higher. Does anyone know? Any of the bridges designers reading this...
  3. gregnordholm

    Welding AISI 1536 pipe

    I need to weld some 1536 pipe for a structural application. I am having a hard time finding out what ASTM equivalent is, or what AWS approved procedure to use for the weld. The pipe is 20 in dia with 1/2 in. wall. Sulphur and phosphorus are both less than .008 Fy is 71 KSI Ftensile is 91 KSI...
  4. gregnordholm

    Welding AISI 1536 pipe

    We have a bunch of 1536 Carbon Manganese pipe that we want to use for a structural application. I am trying to determine the AWS approved welding procedure for thicknesses of 3/4 in or less. We have half in thick wall pipe x 20 in dia. Sulphur and Phophorus are both less than .008. Carbon...
  5. gregnordholm

    joint connections in rectangular steel square tube trusses

    I am looking for English, AISC, etc. references to assist in design check of connections between large square tube main cords of a truss made of rectangular steel tube and the lacing tubes. The problem is that the square tube main cords are 16 x 16 x 5/8 with 6 x 6 x 3/8 tube diagonals and...

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