I have searched but not found any info on this.
I have a residential project that is being built on the side of a 30-45 degree slope. As a result the house will be built on a platform consisting of steel columns and steel x-braces. The house itself is large and unconventional and will require...
I am designing a single story SMRF that supports a wood framed structure above, including a plywood diaphragm at the top of the SMRF. According to AISC 341-05 section 9.7 I need to brace the column flanges at the level of both the top and bottom flanges of the beam. What type of brace is this...
I have an addition to a large church. To simplify the design the new portion of the structure is separated from the existing building by a 1-1/2" joint. We have referred to this on our plans as a "Seismic Joint". This is typical for our office. According to the architect, by using this label...
I have looked all over, but have been unable to find a definitive answer regarding the placement of shrinkage control joints in reinforced slabs on grade.
The PCA publication "Design and Control of Concrete Mixtures" lists a table showing slab thickness vs. spacing. The table lists a maximum...
I am working on a job where I need to use a tube steel moment frame for seismic loads. Unfortunately the building is located in SDC D (2006 IBC) and this does not allow Ordinary Moment Frames. The exceptions listed under footnote h in Table 12.2-1 of ASCE 7-05 do not apply.
Are there any...
I am looking for some help on reinforcing existing wood beams. This particular problem crops up from time to time and I need a good way to address it. If you have a wood beam in an existing structure that needs to be reinforced to carry increased loads it is relatively easy to add a steel...
