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When designing the foundation system for residential customer built house at the hill side with steep slop, say 25 degree, can the concrete grade beam be designed parallel to the slop in general (inclined the grade beam instead of stepping the grade beam)and connect the grade beam to the pier...

Did you treat the ceiling as portion of the roof. For the ordinary conditions, say, nothing is to be stored on the attic. It is just a regular residential house with flat ceiling with attic space between the roor framing members (ridge and rafters) and the ceiling joists. Can you increase the...

Did any one have idea if the CD factor (Load Duration Factor) 1.25 for roof has been used in establishing ceiling load table as shown in Table 23-IV-J-3 of 2001 CBC (1997 UBC). It seems to me that this factor is not used. Does that mean when designing the ceiling joists and ceiling beams, this...

Hi, all, I have designed a slab on grade for a new residential house. I have design the grade beam to be 15" wide x 22" deep w/ 2-#4 @ top & bott & w/ #3 ties @ 32" O.C. In addition, the slab is designed to be 4" thick w/ #4@ 18" O.C. E.W. The contractor came to me indicating that he has...

No in general. Some cities might accept that. You should check with the local jurisdiction for that.

Hi,all, I recently have a project to repair the fire damaged of a one-story industrial building. This building is the so called Butler Building. Does anyone have any idea or any information or examples how to design the frames of this type of building? The span of the two columns of the one...

I really appreciate all the engineers who respond this question. I have a preliminary design already that is a little conservative. I will post my design concept later when I really finish. To make things clear, the entire driveway is new, it will be light to heavy traffic (for a 6000 sq ft...

Hi, I recently got a small project for designing a small 8" block retaning wall that is about 2' to 3' above driveway. The driveway is close to the edge of the slope. __ 1 1 Driveway side 1 1 ____1 1_____________ / 1 1 / 1 1_____ /...