Calculate size of pillar for balcony

[Isch]

We are in the process of building a house and will have a balcony above the entrance. It is 4.80 wide and 2.30 deep. In the drawings, the balcony joists rest on a glued laminated timber beam, which in turn stands on 2 pillars measuring 145x170.

Instead, we would like to have 4 evenly distributed pillars, which would be slightly more delicate. Does anyone know how to calculate the correct dimension? Unfortunately, the structural engineer we hired is no longer reachable.

 

[sturnus]

95x95, but in this case the height of the pillars is also important, which affects their susceptibility to buckling

 

[Kraftkung]

Hello!

I'm in the early stages of building a balcony with almost exactly the same dimensions as yours.

I replaced the siding last year where the balcony will be and installed a 45x220 imp beam under the siding so I have something to attach to.

I plan to use 6 posts of 95x95 as the main supporting structure. 2 against the house and 4 on the outer edge.
For the beams, I plan to use the same dimension that I used for the deck, 45x220 all around.
600 cc.

Do you have any other tips to consider when building a balcony?

Best regards.

 

[sturnus]

At a depth of 2-3m, a post in the middle is not needed. Posts on the outer edge will suffice.

 

[Kraftkung]

Thought like in this picture I attached.

 

[Kraftkung]

It will be 2.5m x 5m.

 

[sturnus]

This post is 200x200 or more, but for you 95x95 is OK

 

[Kraftkung]

I know, just as an example. 4 outer posts at 95x95 should be enough. Then a bearer at 45x220 around and as framework. 28x120mm decking as the floor.

 

[sturnus]

Joists from the wall to the outside are enough 170x45