I have a structure I designed in RISA Floor 9.0. When we updated to RISA Floor 10.0 the model still ran and solved fine. Now that we have updated to RISA Floor 11 the model will not run. I get a framing error (2049). It says Framing circuit N1-N4 is completely within N40-N45. Nested framing...
Is there a way to design CFMF bearing walls in RISA Floor and/or 3D that does not require inputting individual studs similar to the wood walls feature? Is it best to create a new wood wall database with CFMF properties?
Is it standard practice in high seismic regions to specify A706 rebar only or do you only specify A706 at ductile elements and use A615 everywhere else. If you do mix rebar, how is it delineated as different in the field other than standard bar markings that are not going to scream that this...
Has anyone begun implementing the new design values for southern yellow pine? Based on the reading I have done, for bending spruce/pine/fir is now better than southern yellow pine. I am struggling with this demotion of SYP and am wondering whether SPF lumber will become the norm or maybe MSR &...
I just toured an old foundry built around 1911 in the midwest. It is riveted steel frames supporting a tectum type roof. The structure has been many things over many years including abandoned and a paper mill. The roof leaks all over the place. Based on everything I know about existing...
Can anyone shed some light on the requirement, "Vertical stress Pu/Ag at the midheight section shall not exceed 0.06f'c"? This seems extremely restrictive. For 4000psi concrete, this value is 240psi. This is something I might expect to see in masonry, but not concrete. Your thoughts on this...
Hi all. Does anyone have experience using Geofoam as fill below a hillside structure? Up hill there is an existing retaining wall holding back a street. On the down hill side there will be as much as 25' that needs fill. With a typical pier and concrete lagging wall with conventional fill on...
