Good evening gang-
I have been in construction most of my 25 year career but over the past few years have found myself designing more. I design very small concrete and/steel projects usually in the areas of retaining walls, pergola, and the occasional swimming pool. Despite a rather strenuous...
thread507-309110
I found the above-referenced thread extremely helpful while trying to analyze HSS columns into concrete retaining wall. “Ron” posted this handy diagram:
http://files.engineering.com/getfile.aspx?folder=a379b6d8-d419-4301-9425-f1e4b48508c5&file=handrail_embed.pdf
Pertaining to...
I would love some ideas from the group...
I have four 12-inch diameter structural concrete columns that I designed and planned to be architectural for a large interior residential space. Unfortunately, since it was my first self-performed concrete pour, it did not come out very architectural...
Anyone using welded rebar mats (not to be confused with wire mesh)? Just hearing about these for the first time and would enjoy learning more and hearing opinions.
Thanks in advance!
Hi Gang-
Another wall question… we are using steel forms on this 13 foot wall and the foreman wants to use 1-1/2” PVC conduit around the taper ties because he is not getting the wall spacing in the middle of the wall. I am feeling uneasy about this but do not readily know why. I was going for...
What is the go-to material to create a control joint in a basement wall (will be thoroughly waterproofed and water table not an issue)?
I thought drip edge flashing on soil side (doing reveal/chamfer on open side) but 90-degree flashing appears to be unavailable. It’s a 12-inch wall and I was...
Before spending days researching, I was wondering if anyone had advice for the most economical solution for a second story residential concrete slab. Currently have concrete girders and beams but considering k-series joists and metal decking. 23 x 50 foot span with plenty of headroom.
Thanks!
Hi gang-
In EFA, how is perimeter frame loading accounted for (perimeter meaning things like cladding, walls, etc.)?
Scenario - Two-story frame. For design strip, uniformly distributed loading and point loads at each end (representing concrete walls running directly over columns).
Here is...
Hello all-
Can anyone explain the calculation for negative design moment in the attached example (excerpt from PCA notes ACI 318-14)? I am unable to arrive at the same numbers (32.3, 67.0, 60.8, etc) from the bottom graph.
Thanks in advance.
