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Connections (Welded) Questions
Field Welding of a HSS Beam For adding a support structure that allows us to hang a scoreboard in an existing sports centre, one engineer suggested we weld an HSS beam directly onto the flange of a fairly large W column. However, we are now working with another engineer that questions this practice. I am an architect and would like to know if we need to be concerned? - B.G.
Some recent questions
Seam Strength of HSS I am trying to find information about the mechanical properties of the weld seam in hot-formed hollow structural sections without much success. Can you help? – M.C.
Big Tubes I’ve received several questions on large tubular sections, 508 mm (20”) diameter or larger, so I thought I would group them in one big three-part question and answer.
COR-TEN(TM) Steel as a Facade Element I am interested in using Cor-TenTM steel to replace some facade elements in a multi-storey building that I am renovating. Is it difficult to obtain such steels? What different types are there? I just went by the new McGill School of Music, which has a complete wall element that uses Cor-tenTM steel. It has a nice rich golden colour. Will it more or less stay that colour? — J.-C. B.
Reinforcement of Steel Columns Our firm will be involved in modernizing a hospital. The building is in steel and we have to reinforce the existing columns for seismic rehabilitation and increased gravity loads due to additional floors. Unfortunately, we have found very little literature on the subject of steel column reinforcement under load. Do you know of a good source of references? - P.M.