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# Seismic Design of Bin / Hopper with Bulk Material

## Seismic Design of Bin / Hopper with Bulk Material

(OP)
I'm designing a bin (or hopper or bunker, whatever you want to call it) on top of a braced frame tower.  I know how to design the tower for UBC.  However I may do a simplified design or a finite element analysis of the bin itself.

I have rock inside a rectangular bin.  Does anyone know of a reference to calculate the loads on the side walls?
Replies continue below

### RE: Seismic Design of Bin / Hopper with Bulk Material

BCSA publication titled "Theory and Practical Design of Bunkers" is a good reference for aggregate processing and mining applications. You may want to check or contact British Constructional Steelwork Assn. Also, Structural Engineering Handbook by Gaylord and Gaylord - a must desk reference for structural engineers also has a chapter for storage bins and hoppers.

Rgds,
Jhonel

### RE: Seismic Design of Bin / Hopper with Bulk Material

Gaylord and Gaylord also published a separate book on bin and hopper design.  I think Steel Plate Fabricators Ass'n has a John Buzek book on the topic as well.

### RE: Seismic Design of Bin / Hopper with Bulk Material

(OP)
Sorry,  I meant to say that I need to know how to calculate SEISMIC loads on the sides of the walls.  Based on a zone 3, using UBC 1997 (I know it's old), how do I calculate loads on walls for seismic conditions.

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