Hi all,
I am wondering if I am understanding this section of the code correctly. It seems as though the exposure factor (gamma_E) can only equal 1.5 if the solar panels are located at least 0.5*h away from the edge of the roof (and also meet other criteria). Does that mean solar panels that are...
Hello,
I was looking at the "Concentrically Loaded Square Spread Footings" Table in the CRSI Design Handbook (2008, pg 13-6), and the required steel which they tabulate falls short of ACI's 0.0018bh minimum. Their values come out to be around 0.00125bh and up. Is there an exception in ACI that...
Hello,
I am designing the horizontal reinforcement in a 18'x10' rectangular tank. There are no movement joints, and I'm wondering if I need to satisfy the full 0.005 reinforcement ratio which is required between movement joints spaced at 40' or greater (Grade 60 rebar). Or do the tank corners...
Hello,
I'm working on a 420'x120' warehouse building made of precast concrete walls. There is one row of columns in the middle of the building, and the metal roof deck is supported by joists at 5' ctrs. The joists span 60' between the wall and the joist girders (which span between the columns)...
Hi all,
If a member's tributary area includes a 40 psf region (living space) and a 100 psf region (public walkway), am I allowed to reduce both of those live loads individually according to IBC 2015 1607.10.1 OR ASCE7-10 4.7?
Thanks in advance
Hi all,
I'm using ACI 360R-10 to design a slab on grade, but I'm not sure how to account for the load from an interior wall. The load from the wall is something like 3 klf, but assuming the subgrade modulus is k=100 pci, the slab thickness is off the charts. Should I not be using ACI 360R-10...
