I have a steel support structure for a retractable crane stopper which is to be installed to an existing crane girder. The support stucture consists of welded plates to which the pneumatic stopper is fixed above. The crane girder is simply supported by the building columns and the stopper will...
Hi everyone,
I'm working on a project in a remote region of continuous permafrost in northern Canada. The average permafrost temperature is -8deg C, active layer is approx. 3ft. My client has an existing structure in place; a steel structure on concrete foundation walls, columns on pilasters...
Hi everyone,
I'm working on a project in a remote region of continuous permafrost in northern Canada. The average permafrost temperature is -8deg C, active layer is approx. 3ft. My client has an existing structure in place; a steel structure on concrete foundation walls, columns on pilasters...
My question is regarding the application of Frost Protected Shallow Foundations (FPSF) on existing basement foundations. I would like to excavate and pour a concrete stairway from the exterior of the house to the basement. An opening will be cut in the existing foundations for a doorway. The...
I'm designing a connection between two light guage steel framing members. The connection will need to withstand a load of 3100lb. I'm looking to use teks fasteners if possible. Otherwise 1/4-20 hex bolts. Need to determine number required and configuration. My question is: when designing for...
