I have a project where there is a lot of temporary shoring and bracing in the form of W8 sections (these have been designed by another engineer). I've been specifying some new steel beams recently and the contractor asked if they could somehow re-use the shoring steel once it was taken out. I'd...
Hi everyone,
I'm dealing with an interesting design problem that I'm trying to resolve. We have an existing building with flat arch terracotta slabs on steel beams at 4'-0" OC. At the top floor, the architect wants to put up a new cornice over the top of the existing brick walls. We'll use...
Hi guys,
We're doing a 12 story commercial building with a Seismic Design Category of B, and have recently been questioned on the building movements under seismic loads so that they can test the window wall system they are using (glass and terracotta).
We gave them the anticipated building...
Hi everyone,
We are designing a 3 story wood portion that sits on one story of concrete; the lateral system is concrete shear walls for the concrete and light frame wood shear walls for the wood portion. Due to the building geometry I need to use the exterior walls as part of the lateral system...
Hi guys,
I'm doing some preliminary design for a (as yet, hypothetical) structure in NYC. We're trying to play with some raking concrete columns/struts on the building's facade that, with 4 large columns on the building's 4 corners (think truss top/bottom chords) will resist part of the lateral...
