school

Hi all, Thanks for taking the time for reading this just need some guidance on classroom fire doors/other information on fire doors As im sure you can guess a lot of the classrooms have been supplied door wedges to hold the fire doors open, (intended to hold the doors open during lessons) is...

Hello, For an exam assignment I have to calculate an entire construction in wood, for this I need to know what the weight (in kN/m³) of joists is. In my assignment I use I-joist of 90mm wide and 360mm high. I've already seen all kinds of things and all kinds of different numbers (in the...