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# Walls in ACI318

## Walls in ACI318

(OP)
Dears

- Is there any provisions for vertical members whether to consider it wall or column ??

i mean ratio of height to width or length ??

### RE: Walls in ACI318

Usual rule of thumb is a ratio of 4:1, anything beyond being reasonably designed as a wall. When it is touch and go though, it's a good idea to check what capacity you get if it were designed as a column.

However I have no clue what the American code says.

### RE: Walls in ACI318

(OP)
i believe that 4:1 ratio is mentioned in BS code

in the Egyptian code the ratio is 5:1

### RE: Walls in ACI318

ACI in definitions says a column is 3:1 with the smaller side being the least lateral dimension. But it explains that any member used to carry predominately a compressive load is a column.

### RE: Walls in ACI318

From the horses mouth.

#### Quote (ACi 318-14)

Wall—a vertical element designed to resist axial load, lateral load, or both, with a horizontal length-to-thickness ratio greater than 3, used to enclose or separate spaces.

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