To calculate the number of boards needed for purlins, divide the length of the purlin rows by the length of boards you are using (e.g. two boards of length eight feet for each 16 foot long purlin row).
Staircase treads measure between 8 and 10 inches long, with longer treads being used on larger staircases. Nine-inch stair treads are the most common lengths. To determine the length you need, simply measure from the back of the step to the front of the step.
Z Girts, also known as “Z-Bar, Z-Channel, and Zee” are all terms that describe the same type of profile. This cladding attachment system consists of continuous galvanized steel framing members which can be applied vertically, horizontally or crossed.
A POP Rivet is a blind fastener which can be inserted and set from one side of the work piece.
The POP Rivet is inserted into a pre-drilled hole in the materials you’re joining together. The mandrel is gripped by a POP Rivet gun or tool. To Riveting tool pulls mandrel through the body of the rivet and sets it.
Web yielding is the compressive crushing of a beam web caused by the application of a compressive force to the flange directly above or below the web.
This force could be an. end reaction from a support of the type shown in Figure below, or it could be a load. delivered to the top flange by a column or another beam.
