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Hi Dick - Thanks for your reply. I have to believe that I have virtually exhausted my research on this topic. I had also looked at almost all the Tek Notes on this subject. I have actually contacted them today to review their masonry lintel design. The next time I talk with them, I was...

I have read a lot of literature talking about when arching action can be assumed. The typical directive is to be sure there is enough masonry to resist the thrust at the base of the arch (triangle) and be sure there are no control joints located NEAR the openings. OK; how close is near??? I...

I am currently analyzing the feasibility of installing a 40" diameter pipe horizontally, along an existing monosloped roof that is 160 feet long. This pipe is to be installed about 130 down from the high point of this roof that is sloped 1:12 (The roof at this point is about 10.83' lower (in...

Thanks Claude and Trussdoc for your responses. The problem is that the PE Exam is based on the choice of using only the 1999 BOCA, 1997 UBC, or 1999 SBC. Because of this, the IBC code would not be relevent to the exam answers, which are all multiple choice. As a side note, Claude, you are...

Thank you all for your insight. It was very useful for me. - Chris

Hello everyone - I am currently studying for the Structural I PE exam and have a question about the required codes. It is stated that either the '97 UBC or 1999 BOCA or the SBC shall be used for this exam. Well, since our work mainly focuses in the northeast region of the U.S., the best...

I am currently trying to find out what the allowable amount (percentage) of unhydrated cement particles is acceptable in a concrete mixture. If you can help by specifying what code or reference (any American Code/Reference) specifies this allowable percentage, it would be greatly appreciated...