Yes I m talking about this type of slabs. I wonder if the book you have suggested contain a detail method to calculate and determine profils used for the truss
I'm working to design a steel building using NBCC 2005 ( National Building Code of Canada 2005 ). I would like to know how can i evaluate the internal pressure coefficient CPin ( for WIND LOADS) , since the code gives only ranges of this coefficient, an my building is on category 1.