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Shear Strength of Columns ( REPEAT)

 
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iyer_mahadevan at redi...
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PostPosted: Mon Nov 22, 2004 9:50 am    Post subject: Shear Strength of Columns ( REPEAT) Reply with quote

 
Dear SEFIANS!

For evaluating the design shear strength of columns (taucee)
should we consider the entire crosssectional steel?.

The table in IS456-2000 for the same gives taucee vs. p(percentage tensile reinforcement)which is alright in case of beams(singly reinforced).

In case of columns since the steel in the entire cross section resists the bending moment, I feel the percentage p should be evaluated taking the total steel.

The table above may not be valid then!

Kindly clarify.

MAHADEVAN IYER

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mc.upadhyay1
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Joined: 26 Jan 2003
Posts: 134

PostPosted: Mon Nov 22, 2004 12:36 pm    Post subject: Shear Strength of Columns ( REPEAT) Reply with quote

Hello Mr Iyer
The table between shear strength of conc. & %age of tensile
reinforcement
is equally applicable to doubly reinforced beams too; because it is only
one face of the beam
reinf.  which is in tension, other face of reinf. is in compression.

For columns you have to consider the reinf. which is in tension for a
particular direction of
shear force not the total reinf. .

Regards

Mukesh Upadhyay




iyer_mahadevan@red                                                                                                
iffmail.com                To:      mc.upadhyay@jil.co.in                                                          
cc:                                                                                    
11/22/04 04:09 PM          Subject: Shear Strength of Columns ( REPEAT)                                    
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Dear SEFIANS!

For evaluating the design shear strength of columns (taucee)
should we consider the entire crosssectional steel?.

The table in IS456-2000 for the same gives taucee vs. p(percentage tensile
reinforcement)which is alright in case of beams(singly reinforced).

In case of columns since the steel in the entire cross section resists the
bending moment, I feel the percentage p should be evaluated taking the
total steel.

The table above may not be valid then!

Kindly clarify.

MAHADEVAN IYER

Posted via Email
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