|
View previous topic :: View next topic |
Author |
Message |
adutt Progressive Member
Joined: 26 Jan 2003 Posts: 43
|
Posted: Wed Oct 27, 2004 9:01 am Post subject: Design Shear Strength of beams as per IS 456 |
|
|
Dear Sefians,
The Design Shear Strength of beams as per IS 456 :2000 is given in table 19 of IS 456 . It is based on a formula based on work by Rangan (Rangan B.V., Diagonal cracking strength in Shear of R.C.
Beams,"Transactions,Institution of Civil Engineers, Australia ,Vol. CE 14 ,No. 1 ,April 1972).The equation is available in standard textbooks & S.P. 16
My question is that the above equation does not account for whether the member is subjected to significant axial tension or axial tension unlike equations given by foreign codes. Please refer Australian Code AS 3600-2001 :Concrete Structures, Clause 8.2.7.1
& U.S. code ACI 318 -99.Clause 11.3.1 . Why do semi empirical & empirical equations given in codes vary to a large degree from country to country ,are they based on testing of the structures ? If the basic principles of structural mechanics do not change from a country to country why do the these equation vary so much ?Can someone throw light on how these semi empirical equations are arrived at?
With Regards
Amit Dutt
Structural Engineer
Posted via Email |
|
Back to top |
|
|
|
|
You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum You can attach files in this forum You can download files in this forum
|
|
|
|