Hi folks,
It gave me uncomfortable feeling when we observed end-joined studs is used for entire framing for a 2 story residential building. I have seen using 20-30% of the studs but not 100%.
Moreover most of the cases the studs has 3 to 5 joints for only 12 ft height! I understand per IRC...
Now a days, most of the city asking a letter after re-bar inspection is done by Engineer. It's not that difficult to issue a letter based on what we observed.
But it makes difficult when city wants Structural engineer add a line " Concrete earth electrode is provided as per NEC 20xx" in the...
Dear All,
Time to time we run into station like this:
1. Owner hired contractor to build his house but General Contractor took the responsibility to prepare plans and city approval. He prepared and got approval and starts building the house.
However owner paid the money directly to the...
Hi All,
Can anyone recommend a good design software for post-tension (slab on grade) slab? we explored ADAPT, they are good but expressive. Someone recommended GTKsoft. I tired to contact with them but no luck.
No one answers their phone. I filed up online order form, had couple of...
Hi,
Under what consideration (IBC 2308.9.5-6 header) span reduces, when it's two floors. In my understanding floor loads ( gravity) are not accumulative on header beams but trimmer and king studs ( when nailed together).
Did they consider additional load from upper floor designing header ...
Hi,
I am designing a slab on ground post-tension slab for an apartment building. Size of the pad 38'x175'. Building pad contains about 8 apartments. Each apartment drops about 8", which makes 4'-8" drop at one end of the pad. What's the best approach I should take to design and economically...
Folks,
I was familiar with 13th but 14th came up pretty fast! What are the basic or major changes I need to know about this 14th edition ? Especially design wise.............
thanks in advance.
kb
Dear all,
AISC 9th edition (table D3.1) used to have a value for U =0.75, when all shape connects by 2 bolts in line. In 14th edition I don't see any value for that ( or I am missing something).
My question is, when a members connects by 2 bolts in line, what would be the value for "U". Or...
Hi Folks:
Whats the best way to transfer the shear, when shear wall running parallel to wall?
1. extending wall ( build pony wall) all way up to floor/roof?
2. provide floor truss on top of wall?
3. Rim joist on top of wall?
If we use truss, sheathing is not necessary to bring all way up...
