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What is the percentage additional load of the column load I should consider

What is the percentage additional load of the column load I should consider

What is the percentage additional load of the column load I should consider

(OP)
Dear Sir,

I plan to design the column & shearwall manually by using area method for highrise structure.
In order my shearwall & column sufficient to cater the lateral load due to wind load. What is the percentage additional load of the column load I should consider? Please advise.

Thanks.

LKF

RE: What is the percentage additional load of the column load I should consider

What codes are you designing to? I suspect you'll find the answer in there as to what load factor is on the gravity load & possibly wind load (if this is in fact what you are asking, it's hard to tell sorry).



RE: What is the percentage additional load of the column load I should consider

(OP)
design to BS 8110.

RE: What is the percentage additional load of the column load I should consider

So under BS6399 (the old British loadings standard right?) what is the load combinations for wind load cases? Find this and you have your answer.

RE: What is the percentage additional load of the column load I should consider

(OP)
Bro, u not answer my question.

RE: What is the percentage additional load of the column load I should consider

Sorry having now looked through BS6399 what I meant isn't in there. What about table 2.1 of BS8110.1, this gives the load factors for ULS design?

If that's not what you are after maybe rephrase your question?

RE: What is the percentage additional load of the column load I should consider

I've done lots of these way back... Used typical tributary areas. This is a little awkward sometimes in determining the areas. For the penultimate supports, I increased the areas by 10%. Did a 2 cycle moment distribution and checked the penultimate trib areas (as an afterthought) to see that the 10% was OK... usually was. I used the 2 cycle for the slab design. This was during the era of sliderules.

As time progressed, I wrote a 2D frame program that ran in 64K on my first PC... Used the frame analysis to determine the info I used to get from moment distribution. This was at the time of electronic calculators.

This was done to the Code in effect at the time.

Dik

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