Thanks guys. As I have always supposed the two cases are as illustrated but not labeled in figure 6-2. An irony here is that I have called and sent emails to ASCE to get clarification here and nary a reply.
shobroco is mostly correct except in the case of ICF's like Rastra. In that case the forms create a lattice type structure but in essence the foam is still just a form and can be ignored in terms of section capacity.
Can anyone point me to where in ASCE 7 the "Load Case" in the third column in Figure 6-2 is specified? In the accompanying diagram (figure 6-2) they mention load case 2 in note 4 but I can find no place in the text of ASCE 7, Chapter 6 where Load Case 1 & 2 are directly specified in writing.
The 100 plf is an approximation based upon Fema stuff done some years back (273 i think). The deal is the owner wants to keep the fir flooring so cant put ply over. The problem with the blocking straps is that it is shingled and youo know there will be lots of bent nails when the siding crew...
I am working on an apartment building (2 story home turned into 4 apts) and the second floor framing abuts & attaches to balloon framed studs. The floor diaphragm consists of 2x10 @ 16"oc and 1x T&G fir decking. Along the wall with joists parallel its easy enough to simply strap the joist...
