STRUCTURAL ENGINEERING FORUM OF INDIA [SEFI]

How much is the settlement below the piles ?

A K JHA
Chief Engineer(Trg), CPWD

Dear Friend

Load on lintel will be as in B. In addition to that reaction of slab on wall above lintel will also act on the lintel .
The masonry on lintel is not only a load . It acts as part of l ...

Dear Friend

There are two methods to design. Line load may be converted to UDL by dividing total load by total area of panel and then multiplying with concentration coefficient for finding out mome ...

The slab is practically one way simply supported one. The depth should have been around 180 mm. I suggest re-propping and casting again ( increasing depth) after dismantling the existing one. Other ...

Dear Friends
The book by Park and Gamble has given very exhaustive discussion on the slab design. We can design by STRIP METHOD also .

With regards

A K JHa

Dear friend
PLz see the book by Paulaey and Priestley. Secondly plz see the language of the relevant clause of 13920. This is for beam only. For footings tauc comes into picture.

With regards ...

Dear friends
For Eq case , we donot have to consider Tauc.bd . The entire Vu is Vus which is to be resisted by rings.

With regards

A.K.Jha

Dear Friends
Let v = (1-d'/d)(AscFsc)/(0.87AstFy)
m= 1- AscFsc/(0.87AstFy)
q= Ast Fy/( bdFck)

Then
Mr = 0.87Fy Ast fy d ( m+v-qm^2)

We may note that ( m+v-qm^2) is nothing but j of jd.
He ...

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Dear friend
Using ks as sbc/settlement will give results almost same as rigid method . Anyhow the method described by you is alright. In fact even an isolated footing may be designed by that ...