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  1. pratamahrs

    Converting Double Channel Plate to Rectangular Hollow Section

    I checked the profile by the RHS. I don't really understand about the residual stress caused by continuous weld. Can you explain the twist? Why will it happen if I do the continuous weld? Can you please show this mechanism in the drawing or sketch? I'm a little bit confused. Sorry :(...
  2. pratamahrs

    Converting Double Channel Plate to Rectangular Hollow Section

    Thank you for your suggestion. I design it elastically. The wind load is 1 kPa. The width of the panel is 1350mm. I think it's a lighlt loaded since the uniform load is about 135 kg/m2. The thing is fabricators in Indonesia don't produce much hollow section so hollow section become the unusual...
  3. pratamahrs

    Converting Double Channel Plate to Rectangular Hollow Section

    No, they haven't. It's just an idea without any test or academic reference from client. Pratama H.R.S., B.Sc, M.Sc Facade Engineer
  4. pratamahrs

    Converting Double Channel Plate to Rectangular Hollow Section

    Hi all, I have a problem. I have proposed the Steel RHS for the mullion but the client said it is too expensive. So, they want to change the section from combining the channel section. They said it's cheaper. Do you guys have any thoughts of this? Does this section is possible to build...
  5. pratamahrs

    Rib Glass Calculation

    Dear all, I've faced a problem on calculating the rib glass. Do you guys have any reference or tips to calculate the thickness and depth of the rib glass? Thanks Pratama H.R.S., B.Sc, M.Sc Facade Engineer
  6. pratamahrs

    Is stiffener plate reduce slenderness?

    Hi all, I want to ask about the usage of stiffener. I have a very long column (L=10660mm). I use the IWF 400x200x8x13. When I calculate the major axis and minor axis slenderness. I found that if K=1,L=10660,and ry=45.68, the (kl/r) is 233,33 (above 200). It is not allowed since {kl/r) < 200...
  7. pratamahrs

    Cable Mullion

    Do you know in what standard I can find the L/50 deflection limit? I've also heard that there is L/75 deflection limit too Pratama H.R.S., B.Sc, M.Sc Facade Engineer
  8. pratamahrs

    Recommended literature for structural cable design

    Hi, TehMightyEngineer, can you send me the copy, please? Thanks KootK, hopefully I can learn much from the literature you gave me especially cable for mullion :)
  9. pratamahrs

    Recommended literature for structural cable design

    Hi guys, I am a facade engineer. I'm currently handling a project with structural cable system for curtain wall. I'm new to facade and don't have much experience in structural cable system. Do you guys have any recommendation books or references due to my lack of experience. I need to learn...
  10. pratamahrs

    Cable Mullion in STAAD

    Answer Suggested Cable Mullion System in STAAD Hi, I would like to design a cable mullion system with height 9.6m. Please anybody tell me the steps how to design the cable in STAAD. I got confused with the loading especially the pretension load. The working load is Wind Load, Temperature Load...

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