Return to index: [Subject] [Thread] [Date] [Author]

Re: Sloping beam

[Subject Prev][Subject Next][Thread Prev][Thread Next]
>I am designing a sloped concrete riser for a gymnasium grand stand.  It
>spans 10'-0" and is dowled into masonry walls at each end.  Is there a
>horizontal thrust load that I should consider or is the load purely
>vertical?  The slope is approximately 26 degrees.
>Trevor Larsen
>In the FBD, the load is purely vertical if the supports are purely
>horizontal.  With cast-in-place concrete, you can easily achieve horizontal
>Don't forget about system stability, somehow you have to brace the assembly.
>John P. Riley
No disagreement here. However, if there are moment connections (or other
moment transfer) with the walls or columns, and the walls or columns are of
different height, you may get side sway anyway.

Mark Ketchum - Berkeley