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  • Users: kranic24
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  1. kranic24

    Design Pressure of Architectural Perforated Panels

    I'm looking for suggestions on the "correct" wind pressure to apply to perforated aluminum panels acting as cladding. In particular, the panels that are installed at corners of a building or even wrap around a building. Does anyone have technical documents or case studies that prove effects of...
  2. kranic24

    Qatar Design Wind Speed (QCS 2010)

    I am a design engineer completing work from the USA for Qatar. Does anyone know where I can get excerpts from the QCS 2010 in regards to wind velocity and other structural code criteria? In particular this would be for components and cladding. Any information regarding wind pressure development...
  3. kranic24

    Strong Moment of Inertia of Arc

    I am in search of basic formulas for determining the strong moment of inertia of an arc. I know the equatin for weak and know the integral method to determine the strong. I need a quick formula. For example, an arc of radius 14inches and thickness of 1/8" (cross section of half a pipe). The...
  4. kranic24

    Extension Spring Tensile Strength (Rm)

    Does anyone know where I can locate a table of the different tensile strengths for different wire diameters? Specifically these wires are used in solid extension coil springs and range typically from 6mm to 12mm in wire diameter (1200MPa for 10mm 1.4310). Also, the material is rust-proof 1.4310...
  5. kranic24

    Allowable Shear Strength of Spring

    I am a design engineer designing extension (tension) springs. Does anyone have technical documents or suggestions on what to use for allowable shear strength for springs? I have seen people use 0.4 times the tensile strength (normally Rm), 0.45 times Rm, and also 0.75 times Rm. These seem like...

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