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trickle ventilation Looking some guidance on background ventilation to a community building Im working on. Building Control are asking for a mechanical vent system to be installed. Surely there has to be a simpler alternative to this eg holes in walls,vents in roof. Problem is our funder wants...

I'm reading safe load table for UB's and just wondering what does deflection coefficients mean?

im looking for freewRE/reasonably priced program for sizing steel beams /columns

I'm searching about for a reasonably priced structural steel design program. One which I could purchase without the monthly payments . Are there any decent freeware programs available?

Hi, IM designing a portal frame building (15m wide x 30 m long ,6 m to eaves) and im wondering could i assume wind uplift to be zero since there are only 3 smallish door openings and window openings are also minimal. Any thoughts?

Im looking for a simple program for timber roof truss design. Free program if possible

Hi all, Looking for some tips on how to calculate portal frame bracing sizes.(roof,vertical) It's a simple single span,5 bay building,6 metres to eaves,roof slope 10 deg. 4.75m between frames,walls built to 2.4 metres. Thanks

I'm trying to calculate horizontal force on a portal frame base. Following the procedure in EC3 manual for design of steelwork and coming up with 1.37 kn. Is this too small a figure for a frame of 18 metre span,6 metre eaves height? I compared it to similar sized frame calculations done by other...