Can someone point me to where I can find design techniques for wood framed hip roofs? I refer to hip roofs that have no ceiling joists or cross ties, providing a cathedral type of look.
I'm sure the hips will produce a thrust at the lower support corners. But I'm unsure to what happens to the...
I'm looking at a warehouse probably 35-to-40 years old. It has steel bar joists for roof framing. The bar joists are tagged as 0250715 J1. Question is, what does it mean? Can it be traced back to a joist designation?
I need to place an 18"Wx10"D hole in a 12"Wx24"D concrete beam. Of course, I am placing it where I have the least shear (about midspan of beam) and based on the tension reinforcing in the beam (3#7 bottom) I calculated "a" from
a = AsFy/0.85(f'c)(b)
My question is: As long as my calculated...
