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Author Message
  Topic: Pile raft foundation design
akjhacpwd

Replies: 3
Views: 3464

PostForum: SEFI General Discussion   Posted: Wed May 07, 2014 9:19 am   Subject: Pile reaction in piled rfat
How much is the settlement below the piles ?

A K JHA
Chief Engineer(Trg), CPWD
  Topic: Design load for lintels in load bearing structure
akjhacpwd

Replies: 13
Views: 9663

PostForum: SEFI General Discussion   Posted: Sun Mar 02, 2014 2:47 pm   Subject: Design load for lintels in load bearing structure
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 ...
  Topic: 9"thk wall on a slab
akjhacpwd

Replies: 4
Views: 4012

PostForum: Freshers' Zone   Posted: Sun Mar 02, 2014 2:11 pm   Subject: Line Load on Slab
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 ...
  Topic: How to reduce slab vibration?
akjhacpwd

Replies: 5
Views: 2649

PostForum: SEFI General Discussion   Posted: Sat Mar 01, 2014 5:23 pm   Subject: Re: How to reduce slab vibration?
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 ...
  Topic: What is the purpose of the hidden beam in slab
akjhacpwd

Replies: 21
Views: 15008

PostForum: SEFI General Discussion   Posted: Fri Aug 31, 2012 7:26 am   Subject: LIne loads etc on slab
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
  Topic: Ast VERSUS permissible shear stress
akjhacpwd

Replies: 4
Views: 2910

PostForum: SEFI General Discussion   Posted: Mon Aug 20, 2012 11:52 am   Subject: AST & Tauc
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 ...
  Topic: Ast VERSUS permissible shear stress
akjhacpwd

Replies: 4
Views: 2910

PostForum: SEFI General Discussion   Posted: Sun Aug 19, 2012 7:21 am   Subject: Ast for permissible shear stress
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
  Topic: Moment of Resistance with more compression reinforcement
akjhacpwd

Replies: 2
Views: 2135

PostForum: SEFI General Discussion   Posted: Wed Nov 09, 2011 9:07 am   Subject: Moment of Resistance with more compression reinforcement
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 ...
  Topic: why layer of Sand required below Foundation PCC
akjhacpwd

Replies: 10
Views: 11951

PostForum: SEFI General Discussion   Posted: Tue Oct 25, 2011 3:26 am   Subject: why layer of Sand required below Foundation PCC
Posted via Email
  Topic: COMBINE FOOTING
akjhacpwd

Replies: 7
Views: 9265

PostForum: SEFI General Discussion   Posted: Sun Jul 17, 2011 4:01 am   Subject: Combined footing
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 ...
 
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