If there is a nonpourous (concrete or masonry) parapet wall, separated from the building below by a concrete roof, why would the GCpi be added or subtracted to GCp? The commentary in ASCE-7 reads "using the value of GCpi for an enclosed building may be appropriate". They hedge with "may", but...
There is a situation where some intermediate ties have been left out of a column. The spacing between the corner bar the next bar is about 7". Code max is 6". Is there an analytical way to discount the contribution of the bar to the strength of the column? Assuming the bar is not there is one...
They make cmu block with that is "bent" at a 135 degree angle. It has two cells like a standard rectangular block. I was looking for a design example with an angled wall or pier that would assist in calculating the properties and strength of one of these cmu walls.
