Tube / Pipe Column Design Based on AISC-ASD 9th

Further innovations in the flat tube /pipe column method are now being utilized. On-site precast slabs, apartment size or slightly smaller, are being lifted to form the apartment floors. The slabs for another three – s tory, twelve – unit building are supported on bearing walls. The change from the bearing wall to the pipe column type of support will be made on two projects now in the design stage